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annotate src/render/opengles2/SDL_shaders_gles2.h @ 5217:b0797947dd1c

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You don't need to copy the pixels into the streaming texture's pixel data. This behavior is defined specifically to optimize the UpdateTexture path.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 06 Feb 2011 20:56:21 -0800
parents daa5463466c5
children 62d2bc792002
rev   line source
5204
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 2010 itsnotabigtruck.
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4
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5 Permission is hereby granted, free of charge, to any person obtaining a
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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6 copy of this software and associated documentation files (the "Software"),
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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7 to deal in the Software without restriction, including without limitation
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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8 the rights to use, copy, modify, merge, publish, distribute, sublicense,
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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9 and/or sell copies of the Software, and to permit persons to whom the
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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10 Software is furnished to do so, subject to the following conditions:
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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11
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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12 The above copyright notice and this permission notice shall be included in
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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13 all copies or substantial portions of the Software.
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14
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15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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20 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
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21 DEALINGS IN THE SOFTWARE.
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22 */
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23
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24 #include "SDL_config.h"
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25
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26 #if SDL_VIDEO_RENDER_OGL_ES2
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27
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28 #ifndef SDL_shaderdata_h_
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29 #define SDL_shaderdata_h_
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30
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31 typedef struct GLES2_ShaderInstance
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32 {
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33 GLenum type;
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34 GLenum format;
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35 int length;
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36 const void *data;
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37 } GLES2_ShaderInstance;
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38
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39 typedef struct GLES2_Shader
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40 {
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41 int instance_count;
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42 const GLES2_ShaderInstance *instances[4];
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43 } GLES2_Shader;
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44
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45 typedef enum
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46 {
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47 GLES2_SHADER_VERTEX_DEFAULT,
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48 GLES2_SHADER_FRAGMENT_SOLID_SRC,
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49 GLES2_SHADER_FRAGMENT_TEXTURE_SRC
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50 } GLES2_ShaderType;
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51
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52 #define GLES2_SOURCE_SHADER (GLenum)-1
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53
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54 const GLES2_Shader *GLES2_GetShader(GLES2_ShaderType type, SDL_BlendMode blendMode);
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55
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56 #endif /* SDL_shaderdata_h_ */
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57
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58 #endif /* SDL_VIDEO_RENDER_OGL_ES2 */
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59
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60 /* vi: set ts=4 sw=4 expandtab: */