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annotate src/video/dummy/SDL_nullrender.c @ 3681:be6fe5f0b1db

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Removed obsolete checks for ipod Linux
author Sam Lantinga <slouken@libsdl.org>
date Mon, 18 Jan 2010 14:58:58 +0000
parents f638ded38b8a
children 64ce267332c6
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_video.h"
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25 #include "../SDL_sysvideo.h"
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26 #include "../SDL_yuv_sw_c.h"
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27 #include "../SDL_renderer_sw.h"
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28
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29
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30 /* SDL surface based renderer implementation */
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31
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32 static SDL_Renderer *SDL_DUMMY_CreateRenderer(SDL_Window * window,
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33 Uint32 flags);
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34 static int SDL_DUMMY_RenderDrawPoints(SDL_Renderer * renderer,
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35 const SDL_Point * points, int count);
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36 static int SDL_DUMMY_RenderDrawLines(SDL_Renderer * renderer,
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37 const SDL_Point * points, int count);
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38 static int SDL_DUMMY_RenderDrawRects(SDL_Renderer * renderer,
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39 const SDL_Rect ** rects, int count);
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40 static int SDL_DUMMY_RenderFillRects(SDL_Renderer * renderer,
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41 const SDL_Rect ** rects, int count);
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42 static int SDL_DUMMY_RenderCopy(SDL_Renderer * renderer,
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43 SDL_Texture * texture,
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44 const SDL_Rect * srcrect,
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45 const SDL_Rect * dstrect);
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46 static int SDL_DUMMY_RenderReadPixels(SDL_Renderer * renderer,
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47 const SDL_Rect * rect,
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48 Uint32 format,
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49 void * pixels, int pitch);
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50 static int SDL_DUMMY_RenderWritePixels(SDL_Renderer * renderer,
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51 const SDL_Rect * rect,
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52 Uint32 format,
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53 const void * pixels, int pitch);
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54 static void SDL_DUMMY_RenderPresent(SDL_Renderer * renderer);
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55 static void SDL_DUMMY_DestroyRenderer(SDL_Renderer * renderer);
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56
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57
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58 SDL_RenderDriver SDL_DUMMY_RenderDriver = {
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59 SDL_DUMMY_CreateRenderer,
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60 {
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61 "dummy",
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62 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
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63 SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
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64 SDL_RENDERER_PRESENTDISCARD),
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65 }
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66 };
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67
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68 typedef struct
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69 {
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70 int current_screen;
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71 SDL_Surface *screens[3];
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72 } SDL_DUMMY_RenderData;
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73
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74 SDL_Renderer *
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75 SDL_DUMMY_CreateRenderer(SDL_Window * window, Uint32 flags)
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76 {
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77 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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78 SDL_DisplayMode *displayMode = &display->current_mode;
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79 SDL_Renderer *renderer;
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80 SDL_DUMMY_RenderData *data;
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81 int i, n;
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82 int bpp;
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83 Uint32 Rmask, Gmask, Bmask, Amask;
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84
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85 if (!SDL_PixelFormatEnumToMasks
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86 (displayMode->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
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87 SDL_SetError("Unknown display format");
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88 return NULL;
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89 }
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90
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91 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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92 if (!renderer) {
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93 SDL_OutOfMemory();
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94 return NULL;
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95 }
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96
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97 data = (SDL_DUMMY_RenderData *) SDL_malloc(sizeof(*data));
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98 if (!data) {
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99 SDL_DUMMY_DestroyRenderer(renderer);
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100 SDL_OutOfMemory();
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101 return NULL;
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102 }
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103 SDL_zerop(data);
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104
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105 renderer->RenderDrawPoints = SDL_DUMMY_RenderDrawPoints;
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106 renderer->RenderDrawLines = SDL_DUMMY_RenderDrawLines;
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107 renderer->RenderDrawRects = SDL_DUMMY_RenderDrawRects;
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108 renderer->RenderFillRects = SDL_DUMMY_RenderFillRects;
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109 renderer->RenderCopy = SDL_DUMMY_RenderCopy;
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110 renderer->RenderReadPixels = SDL_DUMMY_RenderReadPixels;
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111 renderer->RenderWritePixels = SDL_DUMMY_RenderWritePixels;
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112 renderer->RenderPresent = SDL_DUMMY_RenderPresent;
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113 renderer->DestroyRenderer = SDL_DUMMY_DestroyRenderer;
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114 renderer->info.name = SDL_DUMMY_RenderDriver.info.name;
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115 renderer->info.flags = 0;
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116 renderer->window = window->id;
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117 renderer->driverdata = data;
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118 Setup_SoftwareRenderer(renderer);
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119
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120 if (flags & SDL_RENDERER_PRESENTFLIP2) {
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121 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
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122 n = 2;
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123 } else if (flags & SDL_RENDERER_PRESENTFLIP3) {
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124 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
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diff changeset
125 n = 3;
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parents: 1907
diff changeset
126 } else {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1912
diff changeset
127 renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
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diff changeset
128 n = 1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
129 }
1908
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parents: 1907
diff changeset
130 for (i = 0; i < n; ++i) {
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diff changeset
131 data->screens[i] =
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parents: 1907
diff changeset
132 SDL_CreateRGBSurface(0, window->w, window->h, bpp, Rmask, Gmask,
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parents: 1907
diff changeset
133 Bmask, Amask);
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parents: 1907
diff changeset
134 if (!data->screens[i]) {
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parents: 1907
diff changeset
135 SDL_DUMMY_DestroyRenderer(renderer);
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parents: 1907
diff changeset
136 return NULL;
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Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
137 }
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
138 SDL_SetSurfacePalette(data->screens[i], display->palette);
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
139 }
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
140 data->current_screen = 0;
1895
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parents:
diff changeset
141
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
142 return renderer;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
143 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
144
1908
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diff changeset
145 static int
3596
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diff changeset
146 SDL_DUMMY_RenderDrawPoints(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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diff changeset
147 const SDL_Point * points, int count)
2901
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diff changeset
148 {
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diff changeset
149 SDL_DUMMY_RenderData *data =
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diff changeset
150 (SDL_DUMMY_RenderData *) renderer->driverdata;
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
151 SDL_Surface *target = data->screens[data->current_screen];
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
152
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
153 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
154 renderer->blendMode == SDL_BLENDMODE_MASK) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
155 Uint32 color = SDL_MapRGBA(target->format,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
156 renderer->r, renderer->g, renderer->b,
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diff changeset
157 renderer->a);
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diff changeset
158
3536
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diff changeset
159 return SDL_DrawPoints(target, points, count, color);
2901
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diff changeset
160 } else {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
161 return SDL_BlendPoints(target, points, count, renderer->blendMode,
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diff changeset
162 renderer->r, renderer->g, renderer->b,
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diff changeset
163 renderer->a);
2901
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diff changeset
164 }
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
165 }
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
166
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
167 static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
168 SDL_DUMMY_RenderDrawLines(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
169 const SDL_Point * points, int count)
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
170 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
171 SDL_DUMMY_RenderData *data =
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
172 (SDL_DUMMY_RenderData *) renderer->driverdata;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents: 2884
diff changeset
173 SDL_Surface *target = data->screens[data->current_screen];
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
174
2901
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diff changeset
175 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
133601e3b255 Added RenderPiont() API
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parents: 2888
diff changeset
176 renderer->blendMode == SDL_BLENDMODE_MASK) {
3536
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parents: 3451
diff changeset
177 Uint32 color = SDL_MapRGBA(target->format,
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diff changeset
178 renderer->r, renderer->g, renderer->b,
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diff changeset
179 renderer->a);
2888
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diff changeset
180
3536
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diff changeset
181 return SDL_DrawLines(target, points, count, color);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents: 2884
diff changeset
182 } else {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
183 return SDL_BlendLines(target, points, count, renderer->blendMode,
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parents: 3451
diff changeset
184 renderer->r, renderer->g, renderer->b,
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diff changeset
185 renderer->a);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
186 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
187 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
188
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents: 2884
diff changeset
189 static int
3596
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diff changeset
190 SDL_DUMMY_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
191 int count)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
192 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
193 SDL_DUMMY_RenderData *data =
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
194 (SDL_DUMMY_RenderData *) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
195 SDL_Surface *target = data->screens[data->current_screen];
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
196
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
197 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
198 renderer->blendMode == SDL_BLENDMODE_MASK) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
199 Uint32 color = SDL_MapRGBA(target->format,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
200 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
201 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
202
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
203 return SDL_DrawRects(target, rects, count, 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
204 } 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
205 return SDL_BlendRects(target, rects, 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
206 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
207 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
208 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
209 }
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
210 }
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
211
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
212 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
213 SDL_DUMMY_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
214 int count)
1908
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
215 {
1912
8d384b647307 Setting up the OpenGL support
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parents: 1908
diff changeset
216 SDL_DUMMY_RenderData *data =
8d384b647307 Setting up the OpenGL support
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parents: 1908
diff changeset
217 (SDL_DUMMY_RenderData *) renderer->driverdata;
1908
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
218 SDL_Surface *target = data->screens[data->current_screen];
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
219
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
220 if (renderer->blendMode == SDL_BLENDMODE_NONE ||
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3451
diff changeset
221 renderer->blendMode == SDL_BLENDMODE_MASK) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3451
diff changeset
222 Uint32 color = SDL_MapRGBA(target->format,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
223 renderer->r, renderer->g, renderer->b,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
224 renderer->a);
1908
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
225
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3451
diff changeset
226 return SDL_FillRects(target, rects, count, color);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
227 } else {
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3536
diff changeset
228 return SDL_BlendFillRects(target, rects, 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
229 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
230 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
231 renderer->a);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
232 }
1908
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
233 }
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
234
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
235 static int
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
236 SDL_DUMMY_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
237 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1908
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
238 {
1912
8d384b647307 Setting up the OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1908
diff changeset
239 SDL_DUMMY_RenderData *data =
8d384b647307 Setting up the OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1908
diff changeset
240 (SDL_DUMMY_RenderData *) renderer->driverdata;
1908
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
241 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
242 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
243
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
244 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
245 SDL_Surface *target = data->screens[data->current_screen];
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
246 void *pixels =
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
247 (Uint8 *) target->pixels + dstrect->y * target->pitch +
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
248 dstrect->x * target->format->BytesPerPixel;
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
249 return SDL_SW_CopyYUVToRGB((SDL_SW_YUVTexture *) texture->driverdata,
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
250 srcrect, display->current_mode.format,
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
251 dstrect->w, dstrect->h, pixels,
e079dafea2bf Implemented fully featured dummy renderer
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parents: 1907
diff changeset
252 target->pitch);
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
253 } else {
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
254 SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
e079dafea2bf Implemented fully featured dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
255 SDL_Surface *target = data->screens[data->current_screen];
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
256 SDL_Rect real_srcrect = *srcrect;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
257 SDL_Rect real_dstrect = *dstrect;
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258
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259 return SDL_LowerBlit(surface, &real_srcrect, target, &real_dstrect);
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260 }
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261 }
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262
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263 static int
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264 SDL_DUMMY_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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265 Uint32 format, void * pixels, int pitch)
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266 {
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267 SDL_DUMMY_RenderData *data =
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268 (SDL_DUMMY_RenderData *) renderer->driverdata;
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269 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
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270 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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271 SDL_Surface *screen = data->screens[data->current_screen];
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272 Uint32 screen_format = display->current_mode.format;
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273 Uint8 *screen_pixels = (Uint8 *) screen->pixels +
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274 rect->y * screen->pitch +
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275 rect->x * screen->format->BytesPerPixel;
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276 int screen_pitch = screen->pitch;
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277
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278 return SDL_ConvertPixels(rect->w, rect->h,
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279 screen_format, screen_pixels, screen_pitch,
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280 format, pixels, pitch);
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281 }
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282
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283 static int
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284 SDL_DUMMY_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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285 Uint32 format, const void * pixels, int pitch)
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286 {
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287 SDL_DUMMY_RenderData *data =
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288 (SDL_DUMMY_RenderData *) renderer->driverdata;
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289 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
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290 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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291 SDL_Surface *screen = data->screens[data->current_screen];
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292 Uint32 screen_format = display->current_mode.format;
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293 Uint8 *screen_pixels = (Uint8 *) screen->pixels +
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294 rect->y * screen->pitch +
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295 rect->x * screen->format->BytesPerPixel;
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296 int screen_pitch = screen->pitch;
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297
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298 return SDL_ConvertPixels(rect->w, rect->h,
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299 format, pixels, pitch,
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300 screen_format, screen_pixels, screen_pitch);
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301 }
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302
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303 static void
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304 SDL_DUMMY_RenderPresent(SDL_Renderer * renderer)
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305 {
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306 static int frame_number;
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307 SDL_DUMMY_RenderData *data =
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308 (SDL_DUMMY_RenderData *) renderer->driverdata;
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309
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310 /* Send the data to the display */
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311 if (SDL_getenv("SDL_VIDEO_DUMMY_SAVE_FRAMES")) {
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312 char file[128];
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313 SDL_snprintf(file, sizeof(file), "SDL_window%d-%8.8d.bmp",
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314 renderer->window, ++frame_number);
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315 SDL_SaveBMP(data->screens[data->current_screen], file);
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316 }
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317
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318 /* Update the flipping chain, if any */
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319 if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
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320 data->current_screen = (data->current_screen + 1) % 2;
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321 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
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322 data->current_screen = (data->current_screen + 1) % 3;
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323 }
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324 }
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325
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diff changeset
326 static void
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327 SDL_DUMMY_DestroyRenderer(SDL_Renderer * renderer)
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diff changeset
328 {
1912
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diff changeset
329 SDL_DUMMY_RenderData *data =
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diff changeset
330 (SDL_DUMMY_RenderData *) renderer->driverdata;
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diff changeset
331 int i;
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diff changeset
332
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diff changeset
333 if (data) {
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diff changeset
334 for (i = 0; i < SDL_arraysize(data->screens); ++i) {
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diff changeset
335 if (data->screens[i]) {
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diff changeset
336 SDL_FreeSurface(data->screens[i]);
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diff changeset
337 }
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diff changeset
338 }
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339 SDL_free(data);
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parents:
diff changeset
340 }
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parents:
diff changeset
341 SDL_free(renderer);
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parents:
diff changeset
342 }
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parents:
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343
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diff changeset
344 /* vi: set ts=4 sw=4 expandtab: */