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annotate src/video/SDL_renderer_sw.c @ 4778:9838d3525a1b

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Stubbed out the new get/set parameter functions, added the start of the enum, union, and struct for those parameters themselves, and added doxygen comments throughout the SDL_shape.h header.
author Eli Gottlieb <eligottlieb@gmail.com>
date Thu, 10 Jun 2010 17:37:19 -0400
parents f7b03b6838cb
children 791b3256fb22
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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 #include "SDL_video.h"
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25 #include "SDL_sysvideo.h"
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26 #include "SDL_pixels_c.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
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30
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31 /* SDL surface based renderer implementation */
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32
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33 static SDL_Renderer *SW_CreateRenderer(SDL_Window * window, Uint32 flags);
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34 static int SW_ActivateRenderer(SDL_Renderer * renderer);
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35 static int SW_DisplayModeChanged(SDL_Renderer * renderer);
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36 static int SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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37 static int SW_QueryTexturePixels(SDL_Renderer * renderer,
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38 SDL_Texture * texture, void **pixels,
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39 int *pitch);
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40 static int SW_SetTexturePalette(SDL_Renderer * renderer,
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41 SDL_Texture * texture,
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42 const SDL_Color * colors, int firstcolor,
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43 int ncolors);
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44 static int SW_GetTexturePalette(SDL_Renderer * renderer,
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45 SDL_Texture * texture, SDL_Color * colors,
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46 int firstcolor, int ncolors);
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47 static int SW_SetTextureColorMod(SDL_Renderer * renderer,
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48 SDL_Texture * texture);
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49 static int SW_SetTextureAlphaMod(SDL_Renderer * renderer,
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50 SDL_Texture * texture);
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51 static int SW_SetTextureBlendMode(SDL_Renderer * renderer,
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52 SDL_Texture * texture);
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53 static int SW_SetTextureScaleMode(SDL_Renderer * renderer,
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54 SDL_Texture * texture);
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55 static int SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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56 const SDL_Rect * rect, const void *pixels,
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57 int pitch);
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58 static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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59 const SDL_Rect * rect, int markDirty, void **pixels,
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60 int *pitch);
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61 static void SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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62 static int SW_RenderDrawPoints(SDL_Renderer * renderer,
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63 const SDL_Point * points, int count);
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64 static int SW_RenderDrawLines(SDL_Renderer * renderer,
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65 const SDL_Point * points, int count);
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66 static int SW_RenderDrawRects(SDL_Renderer * renderer,
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67 const SDL_Rect ** rects, int count);
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68 static int SW_RenderFillRects(SDL_Renderer * renderer,
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69 const SDL_Rect ** rects, int count);
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70 static int SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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71 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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72 static int SW_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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73 Uint32 format, void * pixels, int pitch);
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74 static int SW_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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75 Uint32 format, const void * pixels, int pitch);
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76 static void SW_RenderPresent(SDL_Renderer * renderer);
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77 static void SW_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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78 static void SW_DestroyRenderer(SDL_Renderer * renderer);
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79
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80
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81 SDL_RenderDriver SW_RenderDriver = {
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82 SW_CreateRenderer,
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83 {
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84 "software",
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85 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
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86 SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
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87 SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC),
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88 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
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89 SDL_TEXTUREMODULATE_ALPHA),
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90 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
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91 SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD),
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92 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST),
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93 14,
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94 {
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95 SDL_PIXELFORMAT_INDEX8,
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96 SDL_PIXELFORMAT_RGB555,
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97 SDL_PIXELFORMAT_RGB565,
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98 SDL_PIXELFORMAT_RGB888,
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99 SDL_PIXELFORMAT_BGR888,
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100 SDL_PIXELFORMAT_ARGB8888,
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101 SDL_PIXELFORMAT_RGBA8888,
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102 SDL_PIXELFORMAT_ABGR8888,
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103 SDL_PIXELFORMAT_BGRA8888,
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104 SDL_PIXELFORMAT_YV12,
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105 SDL_PIXELFORMAT_IYUV,
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106 SDL_PIXELFORMAT_YUY2,
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107 SDL_PIXELFORMAT_UYVY,
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108 SDL_PIXELFORMAT_YVYU},
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109 0,
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110 0}
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111 };
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112
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113 typedef struct
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114 {
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115 Uint32 format;
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116 SDL_bool updateSize;
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117 int current_texture;
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118 SDL_Texture *texture[3];
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119 SDL_Surface surface;
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120 SDL_Renderer *renderer;
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121 SDL_DirtyRectList dirty;
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122 } SW_RenderData;
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123
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124 static SDL_Texture *
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125 CreateTexture(SDL_Renderer * renderer, Uint32 format, int w, int h)
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126 {
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127 SDL_Texture *texture;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
128
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
129 texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
130 if (!texture) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
131 SDL_OutOfMemory();
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
132 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
133 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
134
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
135 texture->format = format;
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 2130
diff changeset
136 texture->access = SDL_TEXTUREACCESS_STREAMING;
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
137 texture->w = w;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
138 texture->h = h;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
139 texture->renderer = renderer;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
140
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
141 if (renderer->CreateTexture(renderer, texture) < 0) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
142 SDL_free(texture);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
143 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
144 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
145 return texture;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
146 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
147
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
148 static void
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
149 DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
150 {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
151 renderer->DestroyTexture(renderer, texture);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
152 SDL_free(texture);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
153 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
154
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
155 static int
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
156 DisplayPaletteChanged(void *userdata, SDL_Palette * palette)
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
157 {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
158 SW_RenderData *data = (SW_RenderData *) userdata;
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
159 int i;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
160
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
161 for (i = 0; i < SDL_arraysize(data->texture); ++i) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
162 if (data->texture[i] && data->renderer->SetTexturePalette) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
163 data->renderer->SetTexturePalette(data->renderer,
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
164 data->texture[i],
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
165 palette->colors, 0,
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
166 palette->ncolors);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
167 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
168 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
169 return 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
170 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
171
2227
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
172 void
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
173 Setup_SoftwareRenderer(SDL_Renderer * renderer)
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
174 {
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
175 renderer->CreateTexture = SW_CreateTexture;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
176 renderer->QueryTexturePixels = SW_QueryTexturePixels;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
177 renderer->SetTexturePalette = SW_SetTexturePalette;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
178 renderer->GetTexturePalette = SW_GetTexturePalette;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
179 renderer->SetTextureColorMod = SW_SetTextureColorMod;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
180 renderer->SetTextureAlphaMod = SW_SetTextureAlphaMod;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
181 renderer->SetTextureBlendMode = SW_SetTextureBlendMode;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
182 renderer->SetTextureScaleMode = SW_SetTextureScaleMode;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
183 renderer->UpdateTexture = SW_UpdateTexture;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
184 renderer->LockTexture = SW_LockTexture;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
185 renderer->UnlockTexture = SW_UnlockTexture;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
186 renderer->DestroyTexture = SW_DestroyTexture;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
187
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
188 renderer->info.mod_modes = SW_RenderDriver.info.mod_modes;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
189 renderer->info.blend_modes = SW_RenderDriver.info.blend_modes;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
190 renderer->info.scale_modes = SW_RenderDriver.info.scale_modes;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
191 renderer->info.num_texture_formats =
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
192 SW_RenderDriver.info.num_texture_formats;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
193 SDL_memcpy(renderer->info.texture_formats,
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
194 SW_RenderDriver.info.texture_formats,
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
195 sizeof(renderer->info.texture_formats));;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
196 renderer->info.max_texture_width = SW_RenderDriver.info.max_texture_width;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
197 renderer->info.max_texture_height =
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
198 SW_RenderDriver.info.max_texture_height;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
199 }
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
200
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
201 SDL_Renderer *
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
202 SW_CreateRenderer(SDL_Window * window, Uint32 flags)
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
203 {
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
204 SDL_VideoDisplay *display = window->display;
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
205 SDL_DisplayMode *displayMode = &display->current_mode;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 SDL_Renderer *renderer;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
207 SW_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
208 int i, n;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 int bpp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 Uint32 Rmask, Gmask, Bmask, Amask;
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
211 Uint32 renderer_flags;
1929
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
212 const char *desired_driver;
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
213
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 if (!SDL_PixelFormatEnumToMasks
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 (displayMode->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 SDL_SetError("Unknown display 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
217 return 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
218 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*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
221 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
222 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
223 return 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
224 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225
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
226 data = (SW_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
227 if (!data) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
228 SW_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
229 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
230 return 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
231 }
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
232 renderer->ActivateRenderer = SW_ActivateRenderer;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
233 renderer->DisplayModeChanged = SW_DisplayModeChanged;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
234
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
235 renderer->RenderDrawPoints = SW_RenderDrawPoints;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
236 renderer->RenderDrawLines = SW_RenderDrawLines;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
237 renderer->RenderDrawRects = SW_RenderDrawRects;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
238 renderer->RenderFillRects = SW_RenderFillRects;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
239 renderer->RenderCopy = SW_RenderCopy;
3427
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
240 renderer->RenderReadPixels = SW_RenderReadPixels;
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
241 renderer->RenderWritePixels = SW_RenderWritePixels;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
242 renderer->RenderPresent = SW_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
243 renderer->DestroyRenderer = SW_DestroyRenderer;
2227
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
244 renderer->info.name = SW_RenderDriver.info.name;
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
245 renderer->info.flags = 0;
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
246 renderer->window = window;
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
247 renderer->driverdata = data;
2227
b252359547ed Exported the software renderer texture functions to make easier to create
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
248 Setup_SoftwareRenderer(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
249
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
250 if (flags & SDL_RENDERER_PRESENTFLIP2) {
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
251 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
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
252 n = 2;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
253 } else if (flags & SDL_RENDERER_PRESENTFLIP3) {
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
254 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
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
255 n = 3;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 } else {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
257 renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
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
258 n = 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
259 }
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
260 data->format = displayMode->format;
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
261
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 /* Find a render driver that we can use to display data */
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
263 renderer_flags = (SDL_RENDERER_SINGLEBUFFER |
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
264 SDL_RENDERER_PRESENTDISCARD);
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
265 if (flags & SDL_RENDERER_PRESENTVSYNC) {
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
266 renderer_flags |= SDL_RENDERER_PRESENTVSYNC;
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
267 }
1929
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
268 desired_driver = SDL_getenv("SDL_VIDEO_RENDERER_SWDRIVER");
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
269 for (i = 0; i < display->num_render_drivers; ++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
270 SDL_RenderDriver *driver = &display->render_drivers[i];
1929
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
271 if (driver->info.name == SW_RenderDriver.info.name) {
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
272 continue;
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
273 }
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
274 if (desired_driver
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
275 && SDL_strcasecmp(desired_driver, driver->info.name) != 0) {
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
276 continue;
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
277 }
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
278 data->renderer = driver->CreateRenderer(window, renderer_flags);
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
279 if (data->renderer) {
595ac54a8f9f Added an environment variable to select which driver the software renderer will use.
Sam Lantinga <slouken@libsdl.org>
parents: 1920
diff changeset
280 break;
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
281 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 if (i == display->num_render_drivers) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
284 SW_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
285 SDL_SetError("Couldn't find display render driver");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 return 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
287 }
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
288 if (data->renderer->info.flags & SDL_RENDERER_PRESENTVSYNC) {
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
289 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
290 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
291
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
292 /* Create the textures we'll use for display */
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
293 for (i = 0; i < n; ++i) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
294 data->texture[i] =
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
295 CreateTexture(data->renderer, data->format, window->w, window->h);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
296 if (!data->texture[i]) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
297 SW_DestroyRenderer(renderer);
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
298 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
299 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
300 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
301 data->current_texture = 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
302
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
303 /* Create a surface we'll use for rendering */
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
304 data->surface.flags = SDL_PREALLOC;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
305 data->surface.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
306 if (!data->surface.format) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
307 SW_DestroyRenderer(renderer);
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
308 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
309 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
310 SDL_SetSurfacePalette(&data->surface, display->palette);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
311
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
312 /* Set up a palette watch on the display palette */
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
313 if (display->palette) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
314 SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
315 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
316
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
317 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
318 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 static int
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
321 SW_ActivateRenderer(SDL_Renderer * renderer)
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
322 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
323 SW_RenderData *data = (SW_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
324 SDL_Window *window = renderer->window;
1972
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
325 int i, n;
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
326
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
327 if (data->renderer && data->renderer->ActivateRenderer) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
328 if (data->renderer->ActivateRenderer(data->renderer) < 0) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
329 return -1;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
330 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
331 }
1972
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
332 if (data->updateSize) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
333 /* Recreate the textures for the new window size */
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
334 if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
335 n = 2;
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
336 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
337 n = 3;
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
338 } else {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
339 n = 1;
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
340 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
341 for (i = 0; i < n; ++i) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
342 if (data->texture[i]) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
343 DestroyTexture(data->renderer, data->texture[i]);
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
344 data->texture[i] = 0;
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
345 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
346 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
347 for (i = 0; i < n; ++i) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
348 data->texture[i] =
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
349 CreateTexture(data->renderer, data->format, window->w,
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
350 window->h);
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
351 if (!data->texture[i]) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
352 return -1;
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
353 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
354 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
355 data->updateSize = SDL_FALSE;
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
356 }
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
357 return 0;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
358 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
359
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
360 static int
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
361 SW_DisplayModeChanged(SDL_Renderer * renderer)
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
362 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
363 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
364
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
365 if (data->renderer && data->renderer->DisplayModeChanged) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
366 if (data->renderer->DisplayModeChanged(data->renderer) < 0) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
367 return -1;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
368 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
369 }
2905
d214e791c77c Fixed crash when resizing the window with the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2904
diff changeset
370 /* Rebind the context to the window area */
1972
a0e278364188 Fixed bug recreating OpenGL textures on window resize
Sam Lantinga <slouken@libsdl.org>
parents: 1971
diff changeset
371 data->updateSize = SDL_TRUE;
2905
d214e791c77c Fixed crash when resizing the window with the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2904
diff changeset
372 return SW_ActivateRenderer(renderer);
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
373 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
374
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
375 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
376 SW_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
377 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2781
diff changeset
379 texture->driverdata =
Sam Lantinga <slouken@libsdl.org>
parents: 2781
diff changeset
380 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
381 } 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
382 int bpp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 Uint32 Rmask, Gmask, Bmask, Amask;
c121d94672cb 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
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 if (!SDL_PixelFormatEnumToMasks
c121d94672cb 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 (texture->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
c121d94672cb 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_SetError("Unknown 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
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 =
c121d94672cb 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 SDL_CreateRGBSurface(0, texture->w, texture->h, bpp, Rmask, Gmask,
c121d94672cb 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 Bmask, Amask);
3053
aa34d1180d30 When creating a software texture, synchronize the surface with the texture.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
394 SDL_SetSurfaceColorMod(texture->driverdata, texture->r, texture->g,
aa34d1180d30 When creating a software texture, synchronize the surface with the texture.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
395 texture->b);
aa34d1180d30 When creating a software texture, synchronize the surface with the texture.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
396 SDL_SetSurfaceAlphaMod(texture->driverdata, texture->a);
aa34d1180d30 When creating a software texture, synchronize the surface with the texture.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
397 SDL_SetSurfaceBlendMode(texture->driverdata, texture->blendMode);
aa34d1180d30 When creating a software texture, synchronize the surface with the texture.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
398 SDL_SetSurfaceScaleMode(texture->driverdata, texture->scaleMode);
aa34d1180d30 When creating a software texture, synchronize the surface with the texture.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
399
2802
c2834344ca44 Fixed SW_SetTextureScaleMode()
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
400 if (texture->access == SDL_TEXTUREACCESS_STATIC) {
c2834344ca44 Fixed SW_SetTextureScaleMode()
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
401 SDL_SetSurfaceRLE(texture->driverdata, 1);
c2834344ca44 Fixed SW_SetTextureScaleMode()
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
402 }
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
403 }
c121d94672cb 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
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 if (!texture->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
406 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
407 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 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
409 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410
c121d94672cb 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 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
412 SW_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
413 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
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 (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
416 return SDL_SW_QueryYUVTexturePixels((SDL_SW_YUVTexture *)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
417 texture->driverdata, pixels,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
418 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
419 } 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
420 SDL_Surface *surface = (SDL_Surface *) texture->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
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 *pixels = surface->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
423 *pitch = surface->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
424 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
425 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 }
c121d94672cb 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 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
429 SW_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
430 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
431 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 if (SDL_ISPIXELFORMAT_FOURCC(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
433 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
434 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
435 } 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
436 SDL_Surface *surface = (SDL_Surface *) texture->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
437
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 return SDL_SetPaletteColors(surface->format->palette, 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
439 firstcolor, ncolors);
c121d94672cb 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 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442
c121d94672cb 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 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
444 SW_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
445 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
446 {
c121d94672cb 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 if (SDL_ISPIXELFORMAT_FOURCC(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
448 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
449 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
450 } 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
451 SDL_Surface *surface = (SDL_Surface *) texture->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
452
c121d94672cb 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 SDL_memcpy(colors, &surface->format->palette->colors[firstcolor],
c121d94672cb 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 ncolors * sizeof(*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
455 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
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 }
c121d94672cb 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
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
459 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
460 SW_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
461 {
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
462 SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
463 return SDL_SetSurfaceColorMod(surface, texture->r, texture->g,
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
464 texture->b);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
465 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
466
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
467 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
468 SW_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
469 {
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
470 SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
471 return SDL_SetSurfaceAlphaMod(surface, texture->a);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
472 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
473
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
474 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
475 SW_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
476 {
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
477 SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
478 return SDL_SetSurfaceBlendMode(surface, texture->blendMode);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
479 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
480
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
481 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
482 SW_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
483 {
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
484 SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
2802
c2834344ca44 Fixed SW_SetTextureScaleMode()
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
485 return SDL_SetSurfaceScaleMode(surface, texture->scaleMode);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
486 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
487
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
488 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
489 SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
490 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
491 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
493 return SDL_SW_UpdateYUVTexture((SDL_SW_YUVTexture *)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
494 texture->driverdata, rect, pixels,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
495 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
496 } 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
497 SDL_Surface *surface = (SDL_Surface *) texture->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
498 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
499 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
500 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
501
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 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
503 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
504 (Uint8 *) surface->pixels + rect->y * surface->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
505 rect->x * surface->format->BytesPerPixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 length = rect->w * surface->format->BytesPerPixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 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
508 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
509 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
510 dst += surface->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
511 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 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
513 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
517 SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
518 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
519 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
520 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
522 return SDL_SW_LockYUVTexture((SDL_SW_YUVTexture *)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
523 texture->driverdata, rect, markDirty,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
524 pixels, 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
525 } 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
526 SDL_Surface *surface = (SDL_Surface *) texture->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
527
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528 *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
529 (void *) ((Uint8 *) surface->pixels + rect->y * surface->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
530 rect->x * surface->format->BytesPerPixel);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531 *pitch = surface->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
532 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
533 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
537 SW_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
538 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 if (SDL_ISPIXELFORMAT_FOURCC(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
540 SDL_SW_UnlockYUVTexture((SDL_SW_YUVTexture *) texture->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
541 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
544 static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
545 SW_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
546 int count)
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
547 {
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
548 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
549 SDL_Texture *texture = data->texture[data->current_texture];
2904
fa81cc1ef3d0 Fixed clip_rect when drawing points and lines with software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
550 SDL_Rect rect;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
551 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
552 int x, y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
553 int status = 0;
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
554
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
555 /* Get the smallest rectangle that contains everything */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
556 rect.x = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
557 rect.y = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
558 rect.w = texture->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
559 rect.h = texture->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
560 if (!SDL_EnclosePoints(points, count, &rect, &rect)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
561 /* Nothing to draw */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
562 return 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
563 }
2904
fa81cc1ef3d0 Fixed clip_rect when drawing points and lines with software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
564
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
565 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
566 SDL_AddDirtyRect(&data->dirty, &rect);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
567 }
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
568
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
569 if (data->renderer->LockTexture(data->renderer, texture, &rect, 1,
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
570 &data->surface.pixels,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
571 &data->surface.pitch) < 0) {
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
572 return -1;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
573 }
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
574
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
575 data->surface.clip_rect.w = data->surface.w = rect.w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
576 data->surface.clip_rect.h = data->surface.h = rect.h;
2904
fa81cc1ef3d0 Fixed clip_rect when drawing points and lines with software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
577
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
578 /* Draw the points! */
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
579 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
580 renderer->blendMode == SDL_BLENDMODE_MASK) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
581 Uint32 color = SDL_MapRGBA(data->surface.format,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
582 renderer->r, renderer->g, renderer->b,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
583 renderer->a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
584
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
585 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
586 x = points[i].x - rect.x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
587 y = points[i].y - rect.y;
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
588
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
589 status = SDL_DrawPoint(&data->surface, x, y, color);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
590 }
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
591 } else {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
592 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
593 x = points[i].x - rect.x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
594 y = points[i].y - rect.y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
595
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
596 status = SDL_BlendPoint(&data->surface, x, y,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
597 renderer->blendMode,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
598 renderer->r, renderer->g, renderer->b,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
599 renderer->a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
600 }
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
601 }
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
602
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
603 data->renderer->UnlockTexture(data->renderer, texture);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
604
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
605 return status;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
606 }
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
607
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
608 static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
609 SW_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
610 int count)
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
611 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
612 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
613 SDL_Texture *texture = data->texture[data->current_texture];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
614 SDL_Rect clip, rect;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
615 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
616 int x1, y1, x2, y2;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
617 int status = 0;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
618
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
619 /* Get the smallest rectangle that contains everything */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
620 clip.x = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
621 clip.y = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
622 clip.w = texture->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
623 clip.h = texture->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
624 SDL_EnclosePoints(points, count, NULL, &rect);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
625 if (!SDL_IntersectRect(&rect, &clip, &rect)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
626 /* Nothing to draw */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
627 return 0;
2904
fa81cc1ef3d0 Fixed clip_rect when drawing points and lines with software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
628 }
fa81cc1ef3d0 Fixed clip_rect when drawing points and lines with software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
629
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
630 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
631 SDL_AddDirtyRect(&data->dirty, &rect);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
632 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
633
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
634 if (data->renderer->LockTexture(data->renderer, texture, &rect, 1,
2891
Sam Lantinga <slouken@libsdl.org>
parents: 2889
diff changeset
635 &data->surface.pixels,
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
636 &data->surface.pitch) < 0) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
637 return -1;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
638 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
639
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
640 data->surface.clip_rect.w = data->surface.w = rect.w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
641 data->surface.clip_rect.h = data->surface.h = rect.h;
2904
fa81cc1ef3d0 Fixed clip_rect when drawing points and lines with software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
642
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
643 /* Draw the points! */
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
644 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2891
diff changeset
645 renderer->blendMode == SDL_BLENDMODE_MASK) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
646 Uint32 color = SDL_MapRGBA(data->surface.format,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
647 renderer->r, renderer->g, renderer->b,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
648 renderer->a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
649
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
650 for (i = 1; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
651 x1 = points[i-1].x - rect.x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
652 y1 = points[i-1].y - rect.y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
653 x2 = points[i].x - rect.x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
654 y2 = points[i].y - rect.y;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
655
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
656 status = SDL_DrawLine(&data->surface, x1, y1, x2, y2, color);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
657 }
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
658 } else {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
659 for (i = 1; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
660 x1 = points[i-1].x - rect.x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
661 y1 = points[i-1].y - rect.y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
662 x2 = points[i].x - rect.x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
663 y2 = points[i].y - rect.y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
664
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
665 status = SDL_BlendLine(&data->surface, x1, y1, x2, y2,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
666 renderer->blendMode,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
667 renderer->r, renderer->g, renderer->b,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
668 renderer->a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
669 }
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
670 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
671
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
672 data->renderer->UnlockTexture(data->renderer, texture);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
673
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
674 return status;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
675 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
676
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
677 static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
678 SW_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
679 int count)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
680 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
681 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
682 SDL_Texture *texture = data->texture[data->current_texture];
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
683 SDL_Rect clip, rect;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
684 Uint32 color = 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
685 int i;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
686 int status = 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
687
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
688 clip.x = 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
689 clip.y = 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
690 clip.w = texture->w;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
691 clip.h = texture->h;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
692
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
693 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
694 renderer->blendMode == SDL_BLENDMODE_MASK) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
695 color = SDL_MapRGBA(data->surface.format,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
696 renderer->r, renderer->g, renderer->b,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
697 renderer->a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
698 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
699
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
700 for (i = 0; i < count; ++i) {
3599
0f958e527e5e Updated to compile on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
701 /* FIXME: We don't want to draw clipped edges */
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
702 if (!SDL_IntersectRect(rects[i], &clip, &rect)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
703 /* Nothing to draw */
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
704 continue;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
705 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
706
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
707 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
708 SDL_AddDirtyRect(&data->dirty, &rect);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
709 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
710
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
711 if (data->renderer->LockTexture(data->renderer, texture, &rect, 1,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
712 &data->surface.pixels,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
713 &data->surface.pitch) < 0) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
714 return -1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
715 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
716
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
717 data->surface.clip_rect.w = data->surface.w = rect.w;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
718 data->surface.clip_rect.h = data->surface.h = rect.h;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
719
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
720 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
721 renderer->blendMode == SDL_BLENDMODE_MASK) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
722 status = SDL_DrawRect(&data->surface, NULL, color);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
723 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
724 status = SDL_BlendRect(&data->surface, NULL,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
725 renderer->blendMode,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
726 renderer->r, renderer->g, renderer->b,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
727 renderer->a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
728 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
729
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
730 data->renderer->UnlockTexture(data->renderer, texture);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
731 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
732 return status;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
733 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
734
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
735 static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
736 SW_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
737 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
738 {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
739 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
740 SDL_Texture *texture = data->texture[data->current_texture];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
741 SDL_Rect clip, rect;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
742 Uint32 color = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
743 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
744 int status = 0;
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
745
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
746 clip.x = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
747 clip.y = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
748 clip.w = texture->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
749 clip.h = 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
750
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
751 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
752 renderer->blendMode == SDL_BLENDMODE_MASK) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
753 color = SDL_MapRGBA(data->surface.format,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
754 renderer->r, renderer->g, renderer->b,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
755 renderer->a);
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
756 }
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
757
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
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: 3435
diff changeset
759 if (!SDL_IntersectRect(rects[i], &clip, &rect)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
760 /* Nothing to draw */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
761 continue;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
762 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
763
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
764 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
765 SDL_AddDirtyRect(&data->dirty, &rect);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
766 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
767
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
768 if (data->renderer->LockTexture(data->renderer, texture, &rect, 1,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
769 &data->surface.pixels,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
770 &data->surface.pitch) < 0) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
771 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
772 }
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
773
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
774 data->surface.clip_rect.w = data->surface.w = rect.w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
775 data->surface.clip_rect.h = data->surface.h = rect.h;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
776
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
777 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
778 renderer->blendMode == SDL_BLENDMODE_MASK) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
779 status = SDL_FillRect(&data->surface, NULL, color);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
780 } else {
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
781 status = SDL_BlendFillRect(&data->surface, NULL,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
782 renderer->blendMode,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
783 renderer->r, renderer->g, renderer->b,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
784 renderer->a);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
785 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
786
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
787 data->renderer->UnlockTexture(data->renderer, texture);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
788 }
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
789 return status;
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
790 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
791
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
792 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
793 SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
794 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
795 {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
796 SW_RenderData *data = (SW_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
797 SDL_Window *window = renderer->window;
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
798 int status;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
799
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
800 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
801 SDL_AddDirtyRect(&data->dirty, dstrect);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
802 }
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
803
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
804 if (data->renderer->LockTexture(data->renderer,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
805 data->texture[data->current_texture],
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
806 dstrect, 1, &data->surface.pixels,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
807 &data->surface.pitch) < 0) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
808 return -1;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
809 }
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
810
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
811 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
812 status =
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
813 SDL_SW_CopyYUVToRGB((SDL_SW_YUVTexture *) texture->driverdata,
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
814 srcrect, data->format, dstrect->w, dstrect->h,
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
815 data->surface.pixels, data->surface.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
816 } 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
817 SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
818 SDL_Rect real_srcrect = *srcrect;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
819 SDL_Rect real_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
820
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
821 data->surface.w = dstrect->w;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
822 data->surface.h = dstrect->h;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
823 data->surface.clip_rect.w = dstrect->w;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
824 data->surface.clip_rect.h = dstrect->h;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
825 real_dstrect = data->surface.clip_rect;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
826
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
827 status =
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
828 SDL_LowerBlit(surface, &real_srcrect, &data->surface,
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
829 &real_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
830 }
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
831 data->renderer->UnlockTexture(data->renderer,
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
832 data->texture[data->current_texture]);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
833 return status;
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
834 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
835
3427
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
836 static int
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
837 SW_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3427
diff changeset
838 Uint32 format, void * pixels, int pitch)
3427
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
839 {
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
840 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
841
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
842 if (data->renderer->LockTexture(data->renderer,
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
843 data->texture[data->current_texture],
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
844 rect, 0, &data->surface.pixels,
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
845 &data->surface.pitch) < 0) {
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
846 return -1;
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
847 }
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
848
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3427
diff changeset
849 SDL_ConvertPixels(rect->w, rect->h,
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3427
diff changeset
850 data->format, data->surface.pixels, data->surface.pitch,
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3427
diff changeset
851 format, pixels, pitch);
3427
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
852
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
853 data->renderer->UnlockTexture(data->renderer,
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
854 data->texture[data->current_texture]);
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
855 return 0;
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
856 }
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
857
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
858 static int
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
859 SW_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3427
diff changeset
860 Uint32 format, const void * pixels, int pitch)
3427
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
861 {
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
862 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
863
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
864 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
865 SDL_AddDirtyRect(&data->dirty, rect);
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
866 }
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
867
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
868 if (data->renderer->LockTexture(data->renderer,
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
869 data->texture[data->current_texture],
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
870 rect, 1, &data->surface.pixels,
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
871 &data->surface.pitch) < 0) {
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
872 return -1;
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
873 }
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
874
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3427
diff changeset
875 SDL_ConvertPixels(rect->w, rect->h, format, pixels, pitch,
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3427
diff changeset
876 data->format, data->surface.pixels, data->surface.pitch);
3427
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
877
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
878 data->renderer->UnlockTexture(data->renderer,
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
879 data->texture[data->current_texture]);
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
880 return 0;
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
881 }
36cf454ba065 Work in progress on implementation of SDL_RenderReadPixels() and SDL_RenderWritePixels(), code untested.
Sam Lantinga <slouken@libsdl.org>
parents: 3053
diff changeset
882
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
883 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
884 SW_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
885 {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
886 SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
887 SDL_Texture *texture = data->texture[data->current_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
888
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
889 /* Send the data to the display */
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
890 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
891 SDL_DirtyRect *dirty;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
892 for (dirty = data->dirty.list; dirty; dirty = dirty->next) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
893 data->renderer->RenderCopy(data->renderer, texture, &dirty->rect,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
894 &dirty->rect);
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
895 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
896 SDL_ClearDirtyRects(&data->dirty);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
897 } else {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
898 SDL_Rect rect;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
899 rect.x = 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
900 rect.y = 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
901 rect.w = texture->w;
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
902 rect.h = texture->h;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1972
diff changeset
903 data->renderer->RenderCopy(data->renderer, texture, &rect, &rect);
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
904 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
905 data->renderer->RenderPresent(data->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
906
c121d94672cb 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 /* Update the flipping chain, if any */
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
908 if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
909 data->current_texture = (data->current_texture + 1) % 2;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1930
diff changeset
910 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
911 data->current_texture = (data->current_texture + 1) % 3;
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
912 }
c121d94672cb 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 }
c121d94672cb 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
c121d94672cb 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 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
916 SW_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
917 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
918 if (SDL_ISPIXELFORMAT_FOURCC(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
919 SDL_SW_DestroyYUVTexture((SDL_SW_YUVTexture *) texture->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
920 } 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
921 SDL_Surface *surface = (SDL_Surface *) texture->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
922
c121d94672cb 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 SDL_FreeSurface(surface);
c121d94672cb 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 }
c121d94672cb 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 }
c121d94672cb 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
c121d94672cb 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 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
928 SW_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
929 {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
930 SW_RenderData *data = (SW_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
931 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
932 SDL_VideoDisplay *display = window->display;
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
933 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
934
c121d94672cb 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 if (data) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
936 for (i = 0; i < SDL_arraysize(data->texture); ++i) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
937 if (data->texture[i]) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
938 DestroyTexture(data->renderer, data->texture[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
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 }
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
941 if (data->surface.format) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
942 SDL_SetSurfacePalette(&data->surface, NULL);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
943 SDL_FreeFormat(data->surface.format);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
944 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
945 if (display->palette) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
946 SDL_DelPaletteWatch(display->palette, DisplayPaletteChanged,
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
947 data);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
948 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
949 if (data->renderer) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
950 data->renderer->DestroyRenderer(data->renderer);
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
951 }
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
952 SDL_FreeDirtyRects(&data->dirty);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
953 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
954 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
955 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
956 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
957
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
958 /* vi: set ts=4 sw=4 expandtab: */