| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #ifndef SDL_shaders_gles2_h_ |
| #define SDL_shaders_gles2_h_ |
| |
| #if SDL_VIDEO_RENDER_OGL_ES2 |
| |
| typedef struct GLES2_ShaderInstance |
| { |
| GLenum type; |
| GLenum format; |
| int length; |
| const void *data; |
| } GLES2_ShaderInstance; |
| |
| typedef struct GLES2_Shader |
| { |
| int instance_count; |
| const GLES2_ShaderInstance *instances[4]; |
| } GLES2_Shader; |
| |
| typedef enum |
| { |
| GLES2_SHADER_VERTEX_DEFAULT, |
| GLES2_SHADER_FRAGMENT_SOLID_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_ABGR_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_ARGB_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_BGR_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_RGB_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_YUV_JPEG_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_YUV_BT601_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_YUV_BT709_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_NV12_JPEG_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_NV12_BT601_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_NV12_BT709_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_NV21_JPEG_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_NV21_BT601_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_NV21_BT709_SRC, |
| GLES2_SHADER_FRAGMENT_TEXTURE_EXTERNAL_OES_SRC |
| } GLES2_ShaderType; |
| |
| #define GLES2_SOURCE_SHADER (GLenum)-1 |
| |
| const GLES2_Shader *GLES2_GetShader(GLES2_ShaderType type); |
| |
| #endif /* SDL_VIDEO_RENDER_OGL_ES2 */ |
| |
| #endif /* SDL_shaders_gles2_h_ */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |