annotate src/video/win32/SDL_gdirender.c @ 3685:64ce267332c6

Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 21 Jan 2010 06:21:52 +0000
parents 0f958e527e5e
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #if SDL_VIDEO_RENDER_GDI
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25
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26 #include "SDL_win32video.h"
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27 #include "../SDL_rect_c.h"
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28 #include "../SDL_yuv_sw_c.h"
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29 #include "../SDL_alphamult.h"
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30
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31 #ifdef _WIN32_WCE
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32 #define NO_GETDIBBITS 1
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33 #endif
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34
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35 /* GDI renderer implementation */
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36
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37 static SDL_Renderer *GDI_CreateRenderer(SDL_Window * window, Uint32 flags);
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38 static int GDI_DisplayModeChanged(SDL_Renderer * renderer);
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39 static int GDI_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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40 static int GDI_QueryTexturePixels(SDL_Renderer * renderer,
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41 SDL_Texture * texture, void **pixels,
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42 int *pitch);
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43 static int GDI_SetTexturePalette(SDL_Renderer * renderer,
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44 SDL_Texture * texture,
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45 const SDL_Color * colors, int firstcolor,
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46 int ncolors);
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47 static int GDI_GetTexturePalette(SDL_Renderer * renderer,
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48 SDL_Texture * texture, SDL_Color * colors,
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49 int firstcolor, int ncolors);
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50 static int GDI_SetTextureAlphaMod(SDL_Renderer * renderer,
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51 SDL_Texture * texture);
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52 static int GDI_SetTextureBlendMode(SDL_Renderer * renderer,
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53 SDL_Texture * texture);
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54 static int GDI_SetTextureScaleMode(SDL_Renderer * renderer,
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55 SDL_Texture * texture);
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56 static int GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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57 const SDL_Rect * rect, const void *pixels,
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58 int pitch);
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59 static int GDI_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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60 const SDL_Rect * rect, int markDirty,
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61 void **pixels, int *pitch);
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62 static void GDI_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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63 static int GDI_SetDrawBlendMode(SDL_Renderer * renderer);
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64 static int GDI_RenderDrawPoints(SDL_Renderer * renderer,
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65 const SDL_Point * points, int count);
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66 static int GDI_RenderDrawLines(SDL_Renderer * renderer,
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67 const SDL_Point * points, int count);
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68 static int GDI_RenderDrawRects(SDL_Renderer * renderer,
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69 const SDL_Rect ** rects, int count);
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70 static int GDI_RenderFillRects(SDL_Renderer * renderer,
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71 const SDL_Rect ** rects, int count);
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72 static int GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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73 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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74 static int GDI_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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75 Uint32 format, void * pixels, int pitch);
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76 static int GDI_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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77 Uint32 format, const void * pixels, int pitch);
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78 static void GDI_RenderPresent(SDL_Renderer * renderer);
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79 static void GDI_DestroyTexture(SDL_Renderer * renderer,
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80 SDL_Texture * texture);
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81 static void GDI_DestroyRenderer(SDL_Renderer * renderer);
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82
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83
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84 SDL_RenderDriver GDI_RenderDriver = {
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85 GDI_CreateRenderer,
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86 {
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87 "gdi",
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88 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
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89 SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
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90 SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED),
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91 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_ALPHA),
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92 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK),
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93 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST),
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94 14,
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95 {
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96 SDL_PIXELFORMAT_INDEX8,
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97 SDL_PIXELFORMAT_RGB555,
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98 SDL_PIXELFORMAT_RGB565,
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99 SDL_PIXELFORMAT_RGB888,
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100 SDL_PIXELFORMAT_BGR888,
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101 SDL_PIXELFORMAT_ARGB8888,
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102 SDL_PIXELFORMAT_RGBA8888,
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103 SDL_PIXELFORMAT_ABGR8888,
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104 SDL_PIXELFORMAT_BGRA8888,
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105 SDL_PIXELFORMAT_YV12,
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106 SDL_PIXELFORMAT_IYUV,
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107 SDL_PIXELFORMAT_YUY2,
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108 SDL_PIXELFORMAT_UYVY,
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109 SDL_PIXELFORMAT_YVYU},
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110 0,
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111 0}
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112 };
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113
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114 typedef struct
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115 {
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116 HWND hwnd;
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117 HDC window_hdc;
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118 HDC render_hdc;
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119 HDC memory_hdc;
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120 HDC current_hdc;
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121 #ifndef NO_GETDIBBITS
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122 LPBITMAPINFO bmi;
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123 #endif
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124 HBITMAP hbm[3];
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125 int current_hbm;
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126 SDL_DirtyRectList dirty;
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127 SDL_bool makedirty;
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128 } GDI_RenderData;
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129
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130 typedef struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
131 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
132 SDL_SW_YUVTexture *yuv;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
133 Uint32 format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134 HPALETTE hpal;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135 HBITMAP hbm;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 void *pixels;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 int pitch;
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
138 SDL_bool premultiplied;
1913
83420da906a5 Implemented Windows OpenGL support
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parents: 1907
diff changeset
139 } GDI_TextureData;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
140
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 UpdateYUVTextureData(SDL_Texture * texture)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
144 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 SDL_Rect rect;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 rect.x = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 rect.y = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 rect.w = texture->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 rect.h = texture->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
152 texture->h, data->pixels, data->pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
153 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 GDI_AddRenderDriver(_THIS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 {
3520
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
158 int i;
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
159 for (i = 0; i < _this->num_displays; ++i) {
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
160 SDL_AddRenderDriver(&_this->displays[i], &GDI_RenderDriver);
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
161 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 SDL_Renderer *
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
165 GDI_CreateRenderer(SDL_Window * window, Uint32 flags)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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166 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 SDL_Renderer *renderer;
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
169 GDI_RenderData *data;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 int bmi_size;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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171 HBITMAP hbm;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
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diff changeset
172 int i, n;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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173
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1918
diff changeset
174 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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175 if (!renderer) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
177 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
178 }
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179
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1918
diff changeset
180 data = (GDI_RenderData *) SDL_calloc(1, sizeof(*data));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 if (!data) {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
182 GDI_DestroyRenderer(renderer);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
184 return NULL;
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parents:
diff changeset
185 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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186
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
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diff changeset
187 renderer->DisplayModeChanged = GDI_DisplayModeChanged;
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
188 renderer->CreateTexture = GDI_CreateTexture;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
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diff changeset
189 renderer->QueryTexturePixels = GDI_QueryTexturePixels;
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Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
190 renderer->SetTexturePalette = GDI_SetTexturePalette;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
191 renderer->GetTexturePalette = GDI_GetTexturePalette;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
192 renderer->SetTextureAlphaMod = GDI_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
193 renderer->SetTextureBlendMode = GDI_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
194 renderer->SetTextureScaleMode = GDI_SetTextureScaleMode;
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
195 renderer->UpdateTexture = GDI_UpdateTexture;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
196 renderer->LockTexture = GDI_LockTexture;
83420da906a5 Implemented Windows OpenGL support
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parents: 1907
diff changeset
197 renderer->UnlockTexture = GDI_UnlockTexture;
2927
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
198 renderer->SetDrawBlendMode = GDI_SetDrawBlendMode;
3599
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
199 renderer->RenderDrawPoints = GDI_RenderDrawPoints;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
200 renderer->RenderDrawLines = GDI_RenderDrawLines;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
201 renderer->RenderDrawRects = GDI_RenderDrawRects;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
202 renderer->RenderFillRects = GDI_RenderFillRects;
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
203 renderer->RenderCopy = GDI_RenderCopy;
3534
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
204 renderer->RenderReadPixels = GDI_RenderReadPixels;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
205 renderer->RenderWritePixels = GDI_RenderWritePixels;
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
206 renderer->RenderPresent = GDI_RenderPresent;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
207 renderer->DestroyTexture = GDI_DestroyTexture;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
208 renderer->DestroyRenderer = GDI_DestroyRenderer;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
209 renderer->info = GDI_RenderDriver.info;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
210 renderer->window = window;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
211 renderer->driverdata = data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
212
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
213 renderer->info.flags = SDL_RENDERER_ACCELERATED;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
214
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
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diff changeset
215 data->hwnd = windowdata->hwnd;
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
216 data->window_hdc = windowdata->hdc;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
217 data->render_hdc = CreateCompatibleDC(data->window_hdc);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
218 data->memory_hdc = CreateCompatibleDC(data->window_hdc);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
219
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
220 #ifndef NO_GETDIBBITS
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
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parents: 1895
diff changeset
221 /* Fill in the compatible bitmap info */
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
222 bmi_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1918
diff changeset
223 data->bmi = (LPBITMAPINFO) SDL_calloc(1, bmi_size);
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
224 if (!data->bmi) {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
225 GDI_DestroyRenderer(renderer);
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
226 SDL_OutOfMemory();
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
227 return NULL;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
228 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
229 data->bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
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parents: 1895
diff changeset
230
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
231 hbm = CreateCompatibleBitmap(data->window_hdc, 1, 1);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
232 GetDIBits(data->window_hdc, hbm, 0, 1, NULL, data->bmi, DIB_RGB_COLORS);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
233 GetDIBits(data->window_hdc, hbm, 0, 1, NULL, data->bmi, DIB_RGB_COLORS);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
234 DeleteObject(hbm);
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
235 #endif
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
236
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
237 if (flags & SDL_RENDERER_SINGLEBUFFER) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1905
diff changeset
238 renderer->info.flags |=
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
239 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY);
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
240 n = 0;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
241 } else if (flags & SDL_RENDERER_PRESENTFLIP2) {
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
242 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
243 n = 2;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
244 } else if (flags & SDL_RENDERER_PRESENTFLIP3) {
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
245 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
246 n = 3;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
247 } else {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
248 renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
249 n = 1;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
250 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
251 for (i = 0; i < n; ++i) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
252 data->hbm[i] =
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
253 CreateCompatibleBitmap(data->window_hdc, window->w, window->h);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
254 if (!data->hbm[i]) {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
255 GDI_DestroyRenderer(renderer);
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
256 WIN_SetError("CreateCompatibleBitmap()");
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
257 return NULL;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
258 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
259 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
260 if (n > 0) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
261 SelectObject(data->render_hdc, data->hbm[0]);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
262 data->current_hdc = data->render_hdc;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
263 data->makedirty = SDL_TRUE;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
264 } else {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
265 data->current_hdc = data->window_hdc;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
266 data->makedirty = SDL_FALSE;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
267 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
268 data->current_hbm = 0;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
269
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 return renderer;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 static int
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
274 GDI_DisplayModeChanged(SDL_Renderer * renderer)
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
275 {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
276 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
277 SDL_Window *window = renderer->window;
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
278 int i, n;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
279
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
280 if (renderer->info.flags & SDL_RENDERER_SINGLEBUFFER) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
281 n = 0;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
282 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
283 n = 2;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
284 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
285 n = 3;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
286 } else {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
287 n = 1;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
288 }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
289 for (i = 0; i < n; ++i) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
290 if (data->hbm[i]) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
291 DeleteObject(data->hbm[i]);
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
292 data->hbm[i] = NULL;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
293 }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
294 }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
295 for (i = 0; i < n; ++i) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
296 data->hbm[i] =
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
297 CreateCompatibleBitmap(data->window_hdc, window->w, window->h);
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
298 if (!data->hbm[i]) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
299 WIN_SetError("CreateCompatibleBitmap()");
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
300 return -1;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
301 }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
302 }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
303 if (n > 0) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
304 SelectObject(data->render_hdc, data->hbm[0]);
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
305 }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
306 data->current_hbm = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
307
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
308 return 0;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
309 }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
310
3534
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
311 static HBITMAP
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
312 GDI_CreateDIBSection(HDC hdc, int w, int h, int pitch, Uint32 format,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
313 HPALETTE * hpal, void ** pixels)
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
314 {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
315 int bmi_size;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
316 LPBITMAPINFO bmi;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
317
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
318 bmi_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
319 bmi = (LPBITMAPINFO) SDL_calloc(1, bmi_size);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
320 if (!bmi) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
321 SDL_OutOfMemory();
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
322 return NULL;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
323 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
324 bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
325 bmi->bmiHeader.biWidth = w;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
326 bmi->bmiHeader.biHeight = -h; /* topdown bitmap */
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
327 bmi->bmiHeader.biPlanes = 1;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
328 bmi->bmiHeader.biSizeImage = h * pitch;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
329 bmi->bmiHeader.biXPelsPerMeter = 0;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
330 bmi->bmiHeader.biYPelsPerMeter = 0;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
331 bmi->bmiHeader.biClrUsed = 0;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
332 bmi->bmiHeader.biClrImportant = 0;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
333 bmi->bmiHeader.biBitCount = SDL_BYTESPERPIXEL(format) * 8;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
334 if (SDL_ISPIXELFORMAT_INDEXED(format)) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
335 bmi->bmiHeader.biCompression = BI_RGB;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
336 if (hpal) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
337 int i, ncolors;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
338 LOGPALETTE *palette;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
339
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
340 ncolors = (1 << SDL_BITSPERPIXEL(format));
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
341 palette =
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
342 (LOGPALETTE *) SDL_malloc(sizeof(*palette) +
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
343 ncolors * sizeof(PALETTEENTRY));
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
344 if (!palette) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
345 SDL_free(bmi);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
346 SDL_OutOfMemory();
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
347 return NULL;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
348 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
349 palette->palVersion = 0x300;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
350 palette->palNumEntries = ncolors;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
351 for (i = 0; i < ncolors; ++i) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
352 palette->palPalEntry[i].peRed = 0xFF;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
353 palette->palPalEntry[i].peGreen = 0xFF;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
354 palette->palPalEntry[i].peBlue = 0xFF;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
355 palette->palPalEntry[i].peFlags = 0;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
356 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
357 *hpal = CreatePalette(palette);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
358 SDL_free(palette);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
359 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
360 } else {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
361 int bpp;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
362 Uint32 Rmask, Gmask, Bmask, Amask;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
363
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
364 bmi->bmiHeader.biCompression = BI_BITFIELDS;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
365 SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
366 &Amask);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
367 ((Uint32 *) bmi->bmiColors)[0] = Rmask;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
368 ((Uint32 *) bmi->bmiColors)[1] = Gmask;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
369 ((Uint32 *) bmi->bmiColors)[2] = Bmask;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
370 if (hpal) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
371 *hpal = NULL;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
372 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
373 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
374 return CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, pixels, NULL, 0);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
375 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
376
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
377 static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
378 GDI_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
380 GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
381 SDL_Window *window = renderer->window;
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
382 SDL_VideoDisplay *display = window->display;
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
383 GDI_TextureData *data;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1918
diff changeset
385 data = (GDI_TextureData *) SDL_calloc(1, sizeof(*data));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 if (!data) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 texture->driverdata = data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2781
diff changeset
394 data->yuv =
Sam Lantinga <slouken@libsdl.org>
parents: 2781
diff changeset
395 SDL_SW_CreateYUVTexture(texture->format, texture->w, texture->h);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 if (!data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 data->format = display->current_mode.format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 data->format = texture->format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 data->pitch = (texture->w * SDL_BYTESPERPIXEL(data->format));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
405 if (data->yuv || texture->access == SDL_TEXTUREACCESS_STREAMING
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
406 || texture->format != display->current_mode.format) {
3534
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
407 data->hbm = GDI_CreateDIBSection(renderdata->memory_hdc,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
408 texture->w, texture->h,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
409 data->pitch, data->format,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
410 &data->hpal, &data->pixels);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 } else {
3534
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
412 data->hbm = CreateCompatibleBitmap(renderdata->window_hdc,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
413 texture->w, texture->h);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 if (!data->hbm) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 WIN_SetError("Couldn't create bitmap");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
423 GDI_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
424 void **pixels, int *pitch)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
426 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 return SDL_SW_QueryYUVTexturePixels(data->yuv, pixels, pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 *pixels = data->pixels;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
432 *pitch = data->pitch;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
438 GDI_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
439 const SDL_Color * colors, int firstcolor, int ncolors)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
441 GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
442 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 SDL_SetError("YUV textures don't have a palette");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 PALETTEENTRY entries[256];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 for (i = 0; i < ncolors; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 entries[i].peRed = colors[i].r;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 entries[i].peGreen = colors[i].g;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 entries[i].peBlue = colors[i].b;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 entries[i].peFlags = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 if (!SetPaletteEntries(data->hpal, firstcolor, ncolors, entries)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 WIN_SetError("SetPaletteEntries()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
466 GDI_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
467 SDL_Color * colors, int firstcolor, int ncolors)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
469 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 SDL_SetError("YUV textures don't have a palette");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 PALETTEENTRY entries[256];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 if (!GetPaletteEntries(data->hpal, firstcolor, ncolors, entries)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 WIN_SetError("GetPaletteEntries()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 for (i = 0; i < ncolors; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 colors[i].r = entries[i].peRed;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 colors[i].g = entries[i].peGreen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 colors[i].b = entries[i].peBlue;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
492 GDI_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
493 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
494 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
495 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
496
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
497 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
498 GDI_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
499 {
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
500 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
501
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
502 switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
503 case SDL_BLENDMODE_NONE:
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
504 if (data->premultiplied) {
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
505 /* Crap, we've lost the original pixel data... *sigh* */
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
506 }
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
507 return 0;
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3097
diff changeset
508 #ifndef _WIN32_WCE /* WinCE has no alphablend */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
509 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
510 case SDL_BLENDMODE_BLEND:
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
511 if (!data->premultiplied && data->pixels) {
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
512 switch (texture->format) {
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
513 case SDL_PIXELFORMAT_ARGB8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
514 SDL_PreMultiplyAlphaARGB8888(texture->w, texture->h,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
515 (Uint32 *) data->pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
516 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
517 data->premultiplied = SDL_TRUE;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
518 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
519 case SDL_PIXELFORMAT_RGBA8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
520 SDL_PreMultiplyAlphaRGBA8888(texture->w, texture->h,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
521 (Uint32 *) data->pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
522 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
523 data->premultiplied = SDL_TRUE;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
524 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
525 case SDL_PIXELFORMAT_ABGR8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
526 SDL_PreMultiplyAlphaABGR8888(texture->w, texture->h,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
527 (Uint32 *) data->pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
528 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
529 data->premultiplied = SDL_TRUE;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
530 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
531 case SDL_PIXELFORMAT_BGRA8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
532 SDL_PreMultiplyAlphaBGRA8888(texture->w, texture->h,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
533 (Uint32 *) data->pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
534 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
535 data->premultiplied = SDL_TRUE;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
536 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
537 }
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
538 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
539 return 0;
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
540 #endif
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
541 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
542 SDL_Unsupported();
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
543 texture->blendMode = SDL_BLENDMODE_NONE;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
544 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
545 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
546 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
547
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
548 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
549 GDI_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
550 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
551 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
552 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
553 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
554 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
555 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
556 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
557 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
558 texture->scaleMode = SDL_TEXTURESCALEMODE_FAST;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
559 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
560 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
561 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
562 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
563 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
564 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
565 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
566 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
567
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
568 static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
569 GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
570 const SDL_Rect * rect, const void *pixels, int pitch)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
572 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574 if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 UpdateYUVTextureData(texture);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580 } else {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
581 GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583 if (data->pixels) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584 Uint8 *src, *dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 int row;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
586 size_t length;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
587
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
588 src = (Uint8 *) pixels;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
589 dst =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
590 (Uint8 *) data->pixels + rect->y * data->pitch +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
591 rect->x * SDL_BYTESPERPIXEL(texture->format);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
592 length = rect->w * SDL_BYTESPERPIXEL(texture->format);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
593 for (row = 0; row < rect->h; ++row) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594 SDL_memcpy(dst, src, length);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
595 src += pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
596 dst += data->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
597 }
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
598 if (data->premultiplied) {
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
599 Uint32 *pixels =
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
600 (Uint32 *) data->pixels + rect->y * (data->pitch / 4) +
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
601 rect->x;
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
602 switch (texture->format) {
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
603 case SDL_PIXELFORMAT_ARGB8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
604 SDL_PreMultiplyAlphaARGB8888(rect->w, rect->h, pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
605 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
606 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
607 case SDL_PIXELFORMAT_RGBA8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
608 SDL_PreMultiplyAlphaRGBA8888(rect->w, rect->h, pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
609 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
610 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
611 case SDL_PIXELFORMAT_ABGR8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
612 SDL_PreMultiplyAlphaABGR8888(rect->w, rect->h, pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
613 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
614 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
615 case SDL_PIXELFORMAT_BGRA8888:
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
616 SDL_PreMultiplyAlphaBGRA8888(rect->w, rect->h, pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
617 data->pitch);
3054
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
618 break;
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
619 }
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2929
diff changeset
620 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 } else if (rect->w == texture->w && pitch == data->pitch) {
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
622 #ifndef NO_GETDIBBITS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623 if (!SetDIBits
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624 (renderdata->window_hdc, data->hbm, rect->y, rect->h, pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
625 renderdata->bmi, DIB_RGB_COLORS)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
626 WIN_SetError("SetDIBits()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
628 }
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
629 #else
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
630 SDL_SetError("FIXME: Update Texture");
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
631 return -1;
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
632 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
633 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634 SDL_SetError
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
635 ("FIXME: Need to allocate temporary memory and do GetDIBits() followed by SetDIBits(), since we can only set blocks of scanlines at a time");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
641
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642 static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
643 GDI_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
644 const SDL_Rect * rect, int markDirty, void **pixels,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
645 int *pitch)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
646 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
647 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
648
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
649 if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650 return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
651 pitch);
1898
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
652 } else if (data->pixels) {
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
653 #ifndef _WIN32_WCE
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3097
diff changeset
654 /* WinCE has no GdiFlush */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655 GdiFlush();
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
656 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 *pixels =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659 rect->x * SDL_BYTESPERPIXEL(texture->format));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 *pitch = data->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
661 return 0;
1898
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
662 } else {
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
663 SDL_SetError("No pixels available");
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
664 return -1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
665 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
666 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
667
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
668 static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
669 GDI_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
670 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
671 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
672
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
673 if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
674 SDL_SW_UnlockYUVTexture(data->yuv);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675 UpdateYUVTextureData(texture);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
679 static int
2927
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
680 GDI_SetDrawBlendMode(SDL_Renderer * renderer)
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
681 {
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
682 switch (renderer->blendMode) {
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
683 case SDL_BLENDMODE_NONE:
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
684 return 0;
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
685 default:
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
686 SDL_Unsupported();
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
687 renderer->blendMode = SDL_BLENDMODE_NONE;
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
688 return -1;
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
689 }
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
690 }
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
691
2133d2d300fd SetDrawColor() and SetDrawBlendMode() are optional
Sam Lantinga <slouken@libsdl.org>
parents: 2926
diff changeset
692 static int
3599
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
693 GDI_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
694 int count)
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
695 {
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
696 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
697 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
698 COLORREF color;
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
699
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
700 if (data->makedirty) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
701 /* Get the smallest rectangle that contains everything */
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
702 SDL_Window *window = renderer->window;
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
703 SDL_Rect rect;
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
704
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
705 rect.x = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
706 rect.y = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
707 rect.w = window->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
708 rect.h = window->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
709 if (!SDL_EnclosePoints(points, count, &rect, &rect)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
710 /* Nothing to draw */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
711 return 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
712 }
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
713
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
714 SDL_AddDirtyRect(&data->dirty, &rect);
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
715 }
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
716
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
717 color = RGB(renderer->r, renderer->g, renderer->b);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
718 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
719 SetPixel(data->current_hdc, points[i].x, points[i].y, color);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
720 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
721
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
722 return 0;
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
723 }
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
724
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
725 static int
3599
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
726 GDI_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
727 int count)
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
728 {
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
729 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
3056
a434fe6360df Oh, Polyline() uses a pen, not a brush. Doh! :)
Sam Lantinga <slouken@libsdl.org>
parents: 3055
diff changeset
730 HPEN pen;
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
731 BOOL status;
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
732
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
733 if (data->makedirty) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
734 /* Get the smallest rectangle that contains everything */
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
735 SDL_Window *window = renderer->window;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
736 SDL_Rect clip, rect;
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
737
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
738 clip.x = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
739 clip.y = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
740 clip.w = window->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
741 clip.h = window->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
742 SDL_EnclosePoints(points, count, NULL, &rect);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
743 if (!SDL_IntersectRect(&rect, &clip, &rect)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
744 /* Nothing to draw */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
745 return 0;
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
746 }
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
747
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
748 SDL_AddDirtyRect(&data->dirty, &rect);
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
749 }
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
750
3056
a434fe6360df Oh, Polyline() uses a pen, not a brush. Doh! :)
Sam Lantinga <slouken@libsdl.org>
parents: 3055
diff changeset
751 /* Should we cache the pen? .. it looks like GDI does for us. :) */
a434fe6360df Oh, Polyline() uses a pen, not a brush. Doh! :)
Sam Lantinga <slouken@libsdl.org>
parents: 3055
diff changeset
752 pen = CreatePen(PS_SOLID, 1, RGB(renderer->r, renderer->g, renderer->b));
a434fe6360df Oh, Polyline() uses a pen, not a brush. Doh! :)
Sam Lantinga <slouken@libsdl.org>
parents: 3055
diff changeset
753 SelectObject(data->current_hdc, pen);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
754 {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
755 LPPOINT p = SDL_stack_alloc(POINT, count);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
756 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
757
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
758 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
759 p[i].x = points[i].x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
760 p[i].y = points[i].y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
761 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
762 status = Polyline(data->current_hdc, p, count);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
763 SDL_stack_free(p);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
764 }
3056
a434fe6360df Oh, Polyline() uses a pen, not a brush. Doh! :)
Sam Lantinga <slouken@libsdl.org>
parents: 3055
diff changeset
765 DeleteObject(pen);
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
766
3535
b403f790df65 Hey, those automated tests are coming in handy! Fixed GDI rendering semantics
Sam Lantinga <slouken@libsdl.org>
parents: 3534
diff changeset
767 /* Need to close the endpoint of the line */
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
768 if (points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
769 SetPixel(data->current_hdc, points[count-1].x, points[count-1].y,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
770 RGB(renderer->r, renderer->g, renderer->b));
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
771 }
3535
b403f790df65 Hey, those automated tests are coming in handy! Fixed GDI rendering semantics
Sam Lantinga <slouken@libsdl.org>
parents: 3534
diff changeset
772
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
773 if (!status) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
774 WIN_SetError("Polyline()");
2926
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
775 return -1;
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
776 }
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
777 return 0;
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
778 }
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
779
27f2b5e7e899 In theory this implements GDI rendering, but it doesn't work for some reason.
Sam Lantinga <slouken@libsdl.org>
parents: 2919
diff changeset
780 static int
3599
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
781 GDI_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
782 int count)
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
783 {
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
784 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
785 HPEN pen;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
786 POINT vertices[5];
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
787 int i, status = 1;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
788
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
789 if (data->makedirty) {
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
790 SDL_Window *window = renderer->window;
3599
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
791 SDL_Rect clip, rect;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
792
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
793 clip.x = 0;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
794 clip.y = 0;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
795 clip.w = window->w;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
796 clip.h = window->h;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
797
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
798 for (i = 0; i < count; ++i) {
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
799 if (SDL_IntersectRect(rects[i], &clip, &rect)) {
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
800 SDL_AddDirtyRect(&data->dirty, &rect);
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
801 }
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
802 }
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
803 }
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
804
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
805 /* Should we cache the pen? .. it looks like GDI does for us. :) */
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
806 pen = CreatePen(PS_SOLID, 1, RGB(renderer->r, renderer->g, renderer->b));
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
807 SelectObject(data->current_hdc, pen);
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
808 for (i = 0; i < count; ++i) {
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
809 const SDL_Rect *rect = rects[i];
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
810
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
811 vertices[0].x = rect->x;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
812 vertices[0].y = rect->y;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
813
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
814 vertices[1].x = rect->x+rect->w-1;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
815 vertices[1].y = rect->y;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
816
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
817 vertices[2].x = rect->x+rect->w-1;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
818 vertices[2].y = rect->y+rect->h-1;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
819
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
820 vertices[3].x = rect->x;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
821 vertices[3].y = rect->y+rect->h-1;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
822
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
823 vertices[4].x = rect->x;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
824 vertices[4].y = rect->y;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
825
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
826 status &= Polyline(data->current_hdc, vertices, 5);
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
827 }
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
828 DeleteObject(pen);
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
829
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
830 if (!status) {
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
831 WIN_SetError("Polyline()");
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
832 return -1;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
833 }
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
834 return 0;
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
835 }
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
836
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
837 static int
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
838 GDI_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
839 int count)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
840 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
841 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
842 RECT rc;
1899
6a11e61bf805 debug cleanup
Sam Lantinga <slouken@libsdl.org>
parents: 1898
diff changeset
843 HBRUSH brush;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
844 int i, status = 1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
845
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
846 if (data->makedirty) {
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
847 SDL_Window *window = renderer->window;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
848 SDL_Rect clip, rect;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
849
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
850 clip.x = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
851 clip.y = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
852 clip.w = window->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
853 clip.h = window->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
854
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
855 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
856 if (SDL_IntersectRect(rects[i], &clip, &rect)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
857 SDL_AddDirtyRect(&data->dirty, &rect);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
858 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
859 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
860 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
861
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
862 /* Should we cache the brushes? .. it looks like GDI does for us. :) */
2919
2f91a3847ae8 Fixed compiling Windows renderers. Lines and points will be implemented later.
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
863 brush = CreateSolidBrush(RGB(renderer->r, renderer->g, renderer->b));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
864 SelectObject(data->current_hdc, brush);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
865 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
866 const SDL_Rect *rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
867
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
868 rc.left = rect->x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
869 rc.top = rect->y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
870 rc.right = rect->x + rect->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
871 rc.bottom = rect->y + rect->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
872
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
873 status &= FillRect(data->current_hdc, &rc, brush);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3535
diff changeset
874 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
875 DeleteObject(brush);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
876
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
877 if (!status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
878 WIN_SetError("FillRect()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
879 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
880 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
881 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
882 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
883
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
884 static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
885 GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
886 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
887 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
888 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
889 GDI_TextureData *texturedata = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
890
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
891 if (data->makedirty) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
892 SDL_AddDirtyRect(&data->dirty, dstrect);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
893 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
894
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
895 SelectObject(data->memory_hdc, texturedata->hbm);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
896 if (texturedata->hpal) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
897 SelectPalette(data->memory_hdc, texturedata->hpal, TRUE);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
898 RealizePalette(data->memory_hdc);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
899 }
3055
Sam Lantinga <slouken@libsdl.org>
parents: 3054
diff changeset
900 if (texture->blendMode & (SDL_BLENDMODE_MASK | SDL_BLENDMODE_BLEND)) {
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
901 #ifdef _WIN32_WCE
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
902 SDL_SetError("Texture has blendmode not supported under WinCE");
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
903 return -1;
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
904 #else
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
905 BLENDFUNCTION blendFunc = {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
906 AC_SRC_OVER,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
907 0,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
908 texture->a,
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
909 AC_SRC_ALPHA
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
910 };
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
911 if (!AlphaBlend
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
912 (data->current_hdc, dstrect->x, dstrect->y, dstrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
913 dstrect->h, data->memory_hdc, srcrect->x, srcrect->y, srcrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
914 srcrect->h, blendFunc)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
915 WIN_SetError("AlphaBlend()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
916 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
917 }
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
918 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
919 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
920 if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
921 if (!BitBlt
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
922 (data->current_hdc, dstrect->x, dstrect->y, dstrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
923 srcrect->h, data->memory_hdc, srcrect->x, srcrect->y,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
924 SRCCOPY)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
925 WIN_SetError("BitBlt()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
926 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
927 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
928 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
929 if (!StretchBlt
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
930 (data->current_hdc, dstrect->x, dstrect->y, dstrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
931 dstrect->h, data->memory_hdc, srcrect->x, srcrect->y,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
932 srcrect->w, srcrect->h, SRCCOPY)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
933 WIN_SetError("StretchBlt()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
934 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
935 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
936 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
937 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
938 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
939 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
940
3534
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
941 static int
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
942 GDI_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
943 Uint32 format, void * pixels, int pitch)
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
944 {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
945 GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
946 SDL_Window *window = renderer->window;
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
947 SDL_VideoDisplay *display = window->display;
3534
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
948 struct {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
949 HBITMAP hbm;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
950 void *pixels;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
951 int pitch;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
952 Uint32 format;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
953 } data;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
954
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
955 data.format = display->current_mode.format;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
956 data.pitch = (rect->w * SDL_BYTESPERPIXEL(data.format));
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
957
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
958 data.hbm = GDI_CreateDIBSection(renderdata->memory_hdc, rect->w, rect->h,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
959 data.pitch, data.format, NULL,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
960 &data.pixels);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
961 if (!data.hbm) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
962 WIN_SetError("Couldn't create bitmap");
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
963 return -1;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
964 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
965
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
966 SelectObject(renderdata->memory_hdc, data.hbm);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
967 if (!BitBlt(renderdata->memory_hdc, 0, 0, rect->w, rect->h,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
968 renderdata->current_hdc, rect->x, rect->y, SRCCOPY)) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
969 WIN_SetError("BitBlt()");
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
970 DeleteObject(data.hbm);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
971 return -1;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
972 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
973
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
974 SDL_ConvertPixels(rect->w, rect->h,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
975 data.format, data.pixels, data.pitch,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
976 format, pixels, pitch);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
977
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
978 DeleteObject(data.hbm);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
979 return 0;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
980 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
981
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
982 static int
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
983 GDI_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
984 Uint32 format, const void * pixels, int pitch)
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
985 {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
986 GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
987 SDL_Window *window = renderer->window;
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
988 SDL_VideoDisplay *display = window->display;
3534
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
989 struct {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
990 HBITMAP hbm;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
991 void *pixels;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
992 int pitch;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
993 Uint32 format;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
994 } data;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
995
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
996 data.format = display->current_mode.format;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
997 data.pitch = (rect->w * SDL_BYTESPERPIXEL(data.format));
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
998
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
999 data.hbm = GDI_CreateDIBSection(renderdata->memory_hdc, rect->w, rect->h,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1000 data.pitch, data.format,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1001 NULL, &data.pixels);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1002 if (!data.hbm) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1003 WIN_SetError("Couldn't create bitmap");
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1004 return -1;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1005 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1006
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1007 SDL_ConvertPixels(rect->w, rect->h, format, pixels, pitch,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1008 data.format, data.pixels, data.pitch);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1009
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1010 SelectObject(renderdata->memory_hdc, data.hbm);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1011 if (!BitBlt(renderdata->current_hdc, rect->x, rect->y, rect->w, rect->h,
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1012 renderdata->memory_hdc, 0, 0, SRCCOPY)) {
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1013 WIN_SetError("BitBlt()");
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1014 DeleteObject(data.hbm);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1015 return -1;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1016 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1017
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1018 DeleteObject(data.hbm);
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1019 return 0;
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1020 }
9d129e1d0782 Implemented RenderReadPixels() and RenderWritePixels() for GDI renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1021
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1022 static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
1023 GDI_RenderPresent(SDL_Renderer * renderer)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1024 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
1025 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1026 SDL_DirtyRect *dirty;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1027
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1028 /* Send the data to the display */
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
1029 if (!(renderer->info.flags & SDL_RENDERER_SINGLEBUFFER)) {
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1030 for (dirty = data->dirty.list; dirty; dirty = dirty->next) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1031 const SDL_Rect *rect = &dirty->rect;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1032 BitBlt(data->window_hdc, rect->x, rect->y, rect->w, rect->h,
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1033 data->render_hdc, rect->x, rect->y, SRCCOPY);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1034 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1035 SDL_ClearDirtyRects(&data->dirty);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1036 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1037
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1038 /* Update the flipping chain, if any */
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
1039 if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1040 data->current_hbm = (data->current_hbm + 1) % 2;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1041 SelectObject(data->render_hdc, data->hbm[data->current_hbm]);
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
1042 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1043 data->current_hbm = (data->current_hbm + 1) % 3;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1044 SelectObject(data->render_hdc, data->hbm[data->current_hbm]);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1045 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1046 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1047
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1048 static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
1049 GDI_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1050 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
1051 GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1052
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1053 if (!data) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1054 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1055 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1056 if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1057 SDL_SW_DestroyYUVTexture(data->yuv);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1058 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1059 if (data->hpal) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1060 DeleteObject(data->hpal);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1061 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1062 if (data->hbm) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1063 DeleteObject(data->hbm);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1064 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1065 SDL_free(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1066 texture->driverdata = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1067 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1068
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
1069 static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
1070 GDI_DestroyRenderer(SDL_Renderer * renderer)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1071 {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
1072 GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1073 int i;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1074
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1075 if (data) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1076 DeleteDC(data->render_hdc);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1077 DeleteDC(data->memory_hdc);
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
1078 #ifndef NO_GETDIBBITS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1079 if (data->bmi) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1080 SDL_free(data->bmi);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1081 }
3097
0d12e8f1de3c Date: Thu, 05 Feb 2009 18:07:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 3056
diff changeset
1082 #endif
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1083 for (i = 0; i < SDL_arraysize(data->hbm); ++i) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1084 if (data->hbm[i]) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1085 DeleteObject(data->hbm[i]);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1086 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1087 }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
1088 SDL_FreeDirtyRects(&data->dirty);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1089 SDL_free(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1090 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1091 SDL_free(renderer);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1092 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1093
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1094 #endif /* SDL_VIDEO_RENDER_GDI */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1095
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1096 /* vi: set ts=4 sw=4 expandtab: */