annotate src/video/SDL_renderer_gl.c @ 2182:cc2597da0840

Fixed bug #455 If passed "" for the character set, let iconv_open() interpret it as locale. This was merged from revision 3234,3235 from SDL 1.2
author Sam Lantinga <slouken@libsdl.org>
date Thu, 12 Jul 2007 07:52:50 +0000
parents f4c65e3bfaed
children 926294b2bb4e
rev   line source
1918
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #if SDL_VIDEO_RENDER_OGL
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25
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26 #include "SDL_video.h"
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27 #include "SDL_opengl.h"
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28 #include "SDL_sysvideo.h"
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29 #include "SDL_pixels_c.h"
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30 #include "SDL_rect_c.h"
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31 #include "SDL_yuv_sw_c.h"
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32
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33 /* OpenGL renderer implementation */
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34
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35 static const float inv255f = 1.0f / 255.0f;
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36
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37 static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags);
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38 static int GL_ActivateRenderer(SDL_Renderer * renderer);
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39 static int GL_DisplayModeChanged(SDL_Renderer * renderer);
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40 static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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41 static int GL_SetTexturePalette(SDL_Renderer * renderer,
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42 SDL_Texture * texture,
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43 const SDL_Color * colors, int firstcolor,
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44 int ncolors);
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45 static int GL_GetTexturePalette(SDL_Renderer * renderer,
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46 SDL_Texture * texture, SDL_Color * colors,
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47 int firstcolor, int ncolors);
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48 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
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49 SDL_Texture * texture);
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50 static int GL_SetTextureAlphaMod(SDL_Renderer * renderer,
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51 SDL_Texture * texture);
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52 static int GL_SetTextureBlendMode(SDL_Renderer * renderer,
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53 SDL_Texture * texture);
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54 static int GL_SetTextureScaleMode(SDL_Renderer * renderer,
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55 SDL_Texture * texture);
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56 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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57 const SDL_Rect * rect, const void *pixels,
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58 int pitch);
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59 static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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60 const SDL_Rect * rect, int markDirty, void **pixels,
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61 int *pitch);
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62 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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63 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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64 int numrects, const SDL_Rect * rects);
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65 static int GL_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
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66 Uint8 a, const SDL_Rect * rect);
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67 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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68 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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69 static void GL_RenderPresent(SDL_Renderer * renderer);
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70 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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71 static void GL_DestroyRenderer(SDL_Renderer * renderer);
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72
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73
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74 SDL_RenderDriver GL_RenderDriver = {
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75 GL_CreateRenderer,
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76 {
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77 "opengl",
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78 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD |
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79 SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED),
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80 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
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81 SDL_TEXTUREMODULATE_ALPHA),
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82 (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
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83 SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD |
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84 SDL_TEXTUREBLENDMODE_MOD),
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85 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
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86 SDL_TEXTURESCALEMODE_SLOW),
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87 16,
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88 {
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89 SDL_PIXELFORMAT_INDEX1LSB,
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90 SDL_PIXELFORMAT_INDEX1MSB,
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91 SDL_PIXELFORMAT_INDEX8,
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92 SDL_PIXELFORMAT_RGB332,
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93 SDL_PIXELFORMAT_RGB444,
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94 SDL_PIXELFORMAT_RGB555,
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95 SDL_PIXELFORMAT_ARGB4444,
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96 SDL_PIXELFORMAT_ARGB1555,
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97 SDL_PIXELFORMAT_RGB565,
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98 SDL_PIXELFORMAT_RGB24,
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99 SDL_PIXELFORMAT_BGR24,
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100 SDL_PIXELFORMAT_RGB888,
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101 SDL_PIXELFORMAT_BGR888,
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102 SDL_PIXELFORMAT_ARGB8888,
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103 SDL_PIXELFORMAT_ABGR8888,
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104 SDL_PIXELFORMAT_ARGB2101010},
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105 0,
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106 0}
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107 };
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108
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109 typedef struct
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110 {
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111 SDL_GLContext context;
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112 SDL_bool updateSize;
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113 SDL_bool GL_EXT_paletted_texture_supported;
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114 SDL_bool GL_ARB_texture_rectangle_supported;
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115 int blendMode;
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116 int scaleMode;
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117
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118 /* OpenGL functions */
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119 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
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120 #include "SDL_glfuncs.h"
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121 #undef SDL_PROC
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122
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123 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
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124 } GL_RenderData;
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125
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126 typedef struct
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127 {
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128 GLuint texture;
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129 GLenum type;
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130 GLfloat texw;
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131 GLfloat texh;
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132 GLenum format;
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133 GLenum formattype;
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134 Uint8 *palette;
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135 void *pixels;
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136 int pitch;
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137 SDL_DirtyRectList dirty;
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138 } GL_TextureData;
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139
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140
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diff changeset
141 static void
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
142 GL_SetError(const char *prefix, GLenum result)
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
143 {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
144 const char *error;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
145
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
146 switch (result) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
147 case GL_NO_ERROR:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
148 error = "GL_NO_ERROR";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
149 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
150 case GL_INVALID_ENUM:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
151 error = "GL_INVALID_ENUM";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
152 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
153 case GL_INVALID_VALUE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
154 error = "GL_INVALID_VALUE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
155 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
156 case GL_INVALID_OPERATION:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
157 error = "GL_INVALID_OPERATION";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
158 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
159 case GL_STACK_OVERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
160 error = "GL_STACK_OVERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
161 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
162 case GL_STACK_UNDERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
163 error = "GL_STACK_UNDERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
164 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
165 case GL_OUT_OF_MEMORY:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
166 error = "GL_OUT_OF_MEMORY";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
167 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
168 case GL_TABLE_TOO_LARGE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
169 error = "GL_TABLE_TOO_LARGE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
170 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
171 default:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
172 error = "UNKNOWN";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
173 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
174 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
175 SDL_SetError("%s: %s", prefix, error);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
176 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
177
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
178 static int
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
179 GL_LoadFunctions(GL_RenderData * data)
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
180 {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
181 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
182 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
183 #elif defined(__MINT__)
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
184 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
185 #endif
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
186 #ifdef __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
187 #define SDL_PROC(ret,func,params) data->func=func;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
188 #else
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
189 #define SDL_PROC(ret,func,params) \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
190 do { \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
191 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
192 if ( ! data->func ) { \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
193 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
194 return -1; \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
195 } \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
196 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
197 #endif /* __SDL_NOGETPROCADDR__ */
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
198
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
199 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
200 #undef SDL_PROC
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
201 return 0;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
202 }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
203
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 GL_AddRenderDriver(_THIS)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 {
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: 1919
diff changeset
207 if (_this->GL_CreateContext) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 SDL_AddRenderDriver(0, &GL_RenderDriver);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 GL_RenderData *data;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
217 GLint value;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
218 int doublebuffer;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
220 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
221 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
222 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
223 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
224 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
225 #endif
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928
861bc36f0ab3 Fixed crash with multiple windows
Sam Lantinga <slouken@libsdl.org>
parents: 1927
diff changeset
227 if (SDL_RecreateWindow(window, window->flags | SDL_WINDOW_OPENGL) < 0) {
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
228 return NULL;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
229 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
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: 1919
diff changeset
232 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237
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: 1919
diff changeset
238 data = (GL_RenderData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
245 renderer->ActivateRenderer = GL_ActivateRenderer;
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
246 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 renderer->CreateTexture = GL_CreateTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 renderer->GetTexturePalette = GL_GetTexturePalette;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
250 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
251 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
252 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
253 renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 renderer->DirtyTexture = GL_DirtyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 renderer->RenderFill = GL_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 renderer->RenderCopy = GL_RenderCopy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 renderer->info = GL_RenderDriver.info;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 renderer->window = window->id;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 renderer->info.flags =
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
268 (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
270 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
271 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
272 return NULL;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
273 }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
274
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 data->context = SDL_GL_CreateContext(window->id);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
285 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 } else {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 if (SDL_GL_GetSwapInterval() > 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
291 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
294 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
295 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
296 renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
297 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
298 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
299
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
300 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
301 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
302 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
303 renderer->info.max_texture_height = value;
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: 1919
diff changeset
304
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
305 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
306 || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
307 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
308 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
309 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
310 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
311 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
312 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
313 } else {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
314 /* Don't advertise support for 8-bit indexed texture format */
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
315 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
316 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
317 for (i = 0, j = 0; i < info->num_texture_formats; ++i) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
318 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
319 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
320 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
321 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
322 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
323 }
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: 1919
diff changeset
324
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 /* Set up parameters for rendering */
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
326 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
327 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
328 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
329 data->glDisable(GL_CULL_FACE);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
330 if (data->GL_ARB_texture_rectangle_supported) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
331 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
332 } else {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
333 data->glEnable(GL_TEXTURE_2D);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
334 }
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
335 data->updateSize = SDL_TRUE;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 return renderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
340 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
341 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
342 {
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
343 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
344 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
345
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
346 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
347 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
348 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
349 if (data->updateSize) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
350 data->glMatrixMode(GL_PROJECTION);
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
351 data->glLoadIdentity();
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
352 data->glMatrixMode(GL_MODELVIEW);
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
353 data->glLoadIdentity();
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
354 data->glViewport(0, 0, window->w, window->h);
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
355 data->glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0,
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
356 0.0, 1.0);
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
357 data->updateSize = SDL_FALSE;
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 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
360 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
361
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
362 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
363 GL_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
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 GL_RenderData *data = (GL_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
366
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
367 data->updateSize = SDL_TRUE;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
368 return 0;
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
369 }
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
370
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
371 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
372 power_of_2(int input)
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
373 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
374 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
375
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
376 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
377 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
378 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
379 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
380 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
381
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 GL_TextureData *data;
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: 1919
diff changeset
388 GLint internalFormat;
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: 1919
diff changeset
389 GLenum format, type;
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
390 int texture_w, texture_h;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
391 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392
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: 1919
diff changeset
393 switch (texture->format) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
394 case SDL_PIXELFORMAT_INDEX1LSB:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
395 case SDL_PIXELFORMAT_INDEX1MSB:
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: 1919
diff changeset
396 internalFormat = GL_RGB;
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: 1919
diff changeset
397 format = GL_COLOR_INDEX;
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: 1919
diff changeset
398 type = GL_BITMAP;
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: 1919
diff changeset
399 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
400 case SDL_PIXELFORMAT_INDEX8:
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
401 if (!renderdata->GL_EXT_paletted_texture_supported) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
402 SDL_SetError("Unsupported texture format");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
403 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
404 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
405 internalFormat = GL_COLOR_INDEX8_EXT;
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: 1919
diff changeset
406 format = GL_COLOR_INDEX;
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: 1919
diff changeset
407 type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
408 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
409 case SDL_PIXELFORMAT_RGB332:
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: 1919
diff changeset
410 internalFormat = GL_R3_G3_B2;
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: 1919
diff changeset
411 format = GL_RGB;
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: 1919
diff changeset
412 type = GL_UNSIGNED_BYTE_3_3_2;
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: 1919
diff changeset
413 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
414 case SDL_PIXELFORMAT_RGB444:
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: 1919
diff changeset
415 internalFormat = GL_RGB4;
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: 1919
diff changeset
416 format = GL_RGB;
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: 1919
diff changeset
417 type = GL_UNSIGNED_SHORT_4_4_4_4;
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: 1919
diff changeset
418 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
419 case SDL_PIXELFORMAT_RGB555:
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: 1919
diff changeset
420 internalFormat = GL_RGB5;
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: 1919
diff changeset
421 format = GL_RGB;
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: 1919
diff changeset
422 type = GL_UNSIGNED_SHORT_5_5_5_1;
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: 1919
diff changeset
423 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
424 case SDL_PIXELFORMAT_ARGB4444:
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: 1919
diff changeset
425 internalFormat = GL_RGBA4;
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: 1919
diff changeset
426 format = GL_BGRA;
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: 1919
diff changeset
427 type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
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: 1919
diff changeset
428 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
429 case SDL_PIXELFORMAT_ARGB1555:
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: 1919
diff changeset
430 internalFormat = GL_RGB5_A1;
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: 1919
diff changeset
431 format = GL_BGRA;
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: 1919
diff changeset
432 type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
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: 1919
diff changeset
433 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
434 case SDL_PIXELFORMAT_RGB565:
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: 1919
diff changeset
435 internalFormat = GL_RGB8;
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: 1919
diff changeset
436 format = GL_RGB;
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: 1919
diff changeset
437 type = GL_UNSIGNED_SHORT_5_6_5;
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: 1919
diff changeset
438 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
439 case SDL_PIXELFORMAT_RGB24:
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: 1919
diff changeset
440 internalFormat = GL_RGB8;
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: 1919
diff changeset
441 format = GL_RGB;
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: 1919
diff changeset
442 type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
443 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
444 case SDL_PIXELFORMAT_RGB888:
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: 1919
diff changeset
445 internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
446 format = GL_BGRA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
447 type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
448 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
449 case SDL_PIXELFORMAT_BGR24:
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: 1919
diff changeset
450 internalFormat = GL_RGB8;
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: 1919
diff changeset
451 format = GL_BGR;
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: 1919
diff changeset
452 type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
453 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
454 case SDL_PIXELFORMAT_BGR888:
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: 1919
diff changeset
455 internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
456 format = GL_RGBA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
457 type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
458 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
459 case SDL_PIXELFORMAT_ARGB8888:
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: 1919
diff changeset
460 internalFormat = GL_RGBA8;
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: 1919
diff changeset
461 format = GL_BGRA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
462 type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
463 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
464 case SDL_PIXELFORMAT_ABGR8888:
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: 1919
diff changeset
465 internalFormat = GL_RGBA8;
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: 1919
diff changeset
466 format = GL_RGBA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
467 type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
468 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
469 case SDL_PIXELFORMAT_ARGB2101010:
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: 1919
diff changeset
470 internalFormat = GL_RGB10_A2;
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: 1919
diff changeset
471 format = GL_BGRA;
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: 1919
diff changeset
472 type = GL_UNSIGNED_INT_2_10_10_10_REV;
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: 1919
diff changeset
473 break;
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: 1919
diff changeset
474 default:
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: 1919
diff changeset
475 SDL_SetError("Unsupported texture format");
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: 1919
diff changeset
476 return -1;
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: 1919
diff changeset
477 }
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: 1919
diff changeset
478
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: 1919
diff changeset
479 data = (GL_TextureData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 return -1;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
485 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
486 data->palette = (Uint8 *) SDL_malloc(3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
487 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
488 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
489 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
490 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
491 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
492 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
493 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
494
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
497 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
498 renderdata->glGenTextures(1, &data->texture);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
499 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
500 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
501 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
502 texture_h = texture->h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
503 data->texw = (GLfloat) texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
504 data->texh = (GLfloat) texture->h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
505 } else {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
506 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
507 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
508 texture_h = power_of_2(texture->h);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
509 data->texw = (GLfloat) texture->w / texture_w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
510 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
511 }
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: 1919
diff changeset
512 data->format = format;
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: 1919
diff changeset
513 data->formattype = type;
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
514 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
515 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
516 texture_h, 0, format, type, NULL);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
517 result = renderdata->glGetError();
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
518 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
519 GL_SetError("glTexImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
520 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
521 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
531 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
533 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
534 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
535 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
536 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
537 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
538 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
539 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
540 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
541 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
542 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
543 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
544 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
545 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
546 GL_UNSIGNED_BYTE, data->palette);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 {
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
554 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
556 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
558 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
559 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
560 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
561 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
562 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
563 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
564 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
565 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
566 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
567 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
568 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
569 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
573 static void
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
574 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
575 int pitch)
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
576 {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
577 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
578 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
579 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
580 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
581 }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
582 renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
583 renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
584 pitch / SDL_BYTESPERPIXEL(texture->format));
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
585 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
586
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
587 static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
588 GL_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
589 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
590 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
591 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
592
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
593 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
594 GL_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
595 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
596 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
597 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
598
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
599 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
600 GL_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
601 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
602 switch (texture->blendMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
603 case SDL_TEXTUREBLENDMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
604 case SDL_TEXTUREBLENDMODE_MASK:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
605 case SDL_TEXTUREBLENDMODE_BLEND:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
606 case SDL_TEXTUREBLENDMODE_ADD:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
607 case SDL_TEXTUREBLENDMODE_MOD:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
608 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
609 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
610 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
611 texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
612 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
613 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
614 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
615
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
616 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
617 GL_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
618 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
619 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
620 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
621 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
622 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
623 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
624 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
625 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
626 texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
627 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
628 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
629 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
630 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
631 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
632 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
633 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
634
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
635 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
639 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
641 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
643 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
644 SetupTextureUpdate(renderdata, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
645 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
646 renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
647 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
648 pixels);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
649 result = renderdata->glGetError();
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
650 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
651 GL_SetError("glTexSubImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
652 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
653 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
656
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
661 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
662 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663
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: 1919
diff changeset
664 if (!data->pixels) {
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: 1919
diff changeset
665 data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
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: 1919
diff changeset
666 data->pixels = SDL_malloc(texture->h * data->pitch);
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: 1919
diff changeset
667 if (!data->pixels) {
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: 1919
diff changeset
668 SDL_OutOfMemory();
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: 1919
diff changeset
669 return -1;
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: 1919
diff changeset
670 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
671 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
672
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: 1919
diff changeset
673 if (markDirty) {
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: 1919
diff changeset
674 SDL_AddDirtyRect(&data->dirty, rect);
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: 1919
diff changeset
675 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676
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: 1919
diff changeset
677 *pixels =
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: 1919
diff changeset
678 (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
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: 1919
diff changeset
679 rect->x * SDL_BYTESPERPIXEL(texture->format));
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: 1919
diff changeset
680 *pitch = data->pitch;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
681 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
682 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
683
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
684 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
685 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
686 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
687 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
689 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
690 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
691 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
692 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
693 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
694 int i;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
695
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
696 for (i = 0; i < numrects; ++i) {
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: 1919
diff changeset
697 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
698 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
699 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
700
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
701 static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
702 GL_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
703 const SDL_Rect * rect)
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
704 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
705 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
706 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
707
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
708 data->glClearColor((GLclampf) r * inv255f, (GLclampf) g * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
709 (GLclampf) b * inv255f, (GLclampf) a * inv255f);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
710 data->glViewport(rect->x, window->h - rect->y, rect->w, rect->h);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
711 data->glClear(GL_COLOR_BUFFER_BIT);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
712 data->glViewport(0, 0, window->w, window->h);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
713 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
714 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
715
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
716 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
717 GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
718 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
719 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
720 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
721 GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
722 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
723 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
724
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: 1919
diff changeset
725 if (texturedata->dirty.count > 0) {
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: 1919
diff changeset
726 SDL_DirtyRect *dirty;
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: 1919
diff changeset
727 void *pixels;
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: 1919
diff changeset
728 int bpp = SDL_BYTESPERPIXEL(texture->format);
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: 1919
diff changeset
729 int pitch = texturedata->pitch;
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: 1919
diff changeset
730
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
731 SetupTextureUpdate(data, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
732 data->glBindTexture(texturedata->type, texturedata->texture);
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: 1919
diff changeset
733 for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
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: 1919
diff changeset
734 SDL_Rect *rect = &dirty->rect;
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: 1919
diff changeset
735 pixels =
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: 1919
diff changeset
736 (void *) ((Uint8 *) texturedata->pixels + rect->y * pitch +
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: 1919
diff changeset
737 rect->x * bpp);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
738 data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
739 rect->w, rect->h, texturedata->format,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
740 texturedata->formattype, pixels);
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: 1919
diff changeset
741 }
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: 1919
diff changeset
742 SDL_ClearDirtyRects(&texturedata->dirty);
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: 1919
diff changeset
743 }
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: 1919
diff changeset
744
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
745 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
747 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
748 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750 minu = (GLfloat) srcrect->x / texture->w;
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: 1919
diff changeset
751 minu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
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: 1919
diff changeset
753 maxu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 minv = (GLfloat) srcrect->y / texture->h;
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: 1919
diff changeset
755 minv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
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: 1919
diff changeset
757 maxv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
758
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
759 data->glBindTexture(texturedata->type, texturedata->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
761 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
762 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
763 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
764 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
765 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
766 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
767 data->glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
768 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
769
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
770 if (texture->blendMode != data->blendMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
771 switch (texture->blendMode) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
772 case SDL_TEXTUREBLENDMODE_NONE:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
773 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
774 data->glDisable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
775 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
776 case SDL_TEXTUREBLENDMODE_MASK:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
777 case SDL_TEXTUREBLENDMODE_BLEND:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
778 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
779 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
780 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
781 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
782 case SDL_TEXTUREBLENDMODE_ADD:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
783 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
784 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
785 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
786 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
787 case SDL_TEXTUREBLENDMODE_MOD:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
788 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
789 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
790 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
791 break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
792 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
793 data->blendMode = texture->blendMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
794 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
795
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
796 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
797 switch (texture->scaleMode) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
798 case SDL_TEXTURESCALEMODE_NONE:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
799 case SDL_TEXTURESCALEMODE_FAST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
800 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
801 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
802 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
803 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
804 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
805 case SDL_TEXTURESCALEMODE_SLOW:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
806 case SDL_TEXTURESCALEMODE_BEST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
807 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
808 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
809 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
810 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
811 break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
812 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
813 data->scaleMode = texture->scaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
814 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
815
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
816 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
817 data->glTexCoord2f(minu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
818 data->glVertex2i(minx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
819 data->glTexCoord2f(maxu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
820 data->glVertex2i(maxx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
821 data->glTexCoord2f(minu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
822 data->glVertex2i(minx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
823 data->glTexCoord2f(maxu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
824 data->glVertex2i(maxx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
825 data->glEnd();
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
826
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
827 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
828 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
829
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
830 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
831 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
832 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
833 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
834 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
835
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
836 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
837 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
838 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
839 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
840 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
841
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
842 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
843 return;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
844 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
845 if (data->texture) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
846 renderdata->glDeleteTextures(1, &data->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
847 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
848 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
849 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
850 }
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: 1919
diff changeset
851 if (data->pixels) {
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: 1919
diff changeset
852 SDL_free(data->pixels);
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: 1919
diff changeset
853 }
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: 1919
diff changeset
854 SDL_FreeDirtyRects(&data->dirty);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
855 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
856 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
857 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
858
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1974
diff changeset
859 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
860 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
861 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
862 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
863
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
864 if (data) {
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: 1919
diff changeset
865 if (data->context) {
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: 1919
diff changeset
866 SDL_GL_MakeCurrent(0, NULL);
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: 1919
diff changeset
867 SDL_GL_DeleteContext(data->context);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
868 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
869 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
870 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
871 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
872 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
873
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
874 #endif /* SDL_VIDEO_RENDER_OGL */
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
875
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
876 /* vi: set ts=4 sw=4 expandtab: */