| /* |
| 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. |
| */ |
| |
| #ifndef SDL_shaders_gl_h_ |
| #define SDL_shaders_gl_h_ |
| |
| #include "../../SDL_internal.h" |
| |
| /* OpenGL shader implementation */ |
| |
| typedef enum { |
| SHADER_INVALID = -1, |
| SHADER_NONE, |
| SHADER_SOLID, |
| SHADER_RGB, |
| SHADER_RGBA, |
| SHADER_YUV_JPEG, |
| SHADER_YUV_BT601, |
| SHADER_YUV_BT709, |
| SHADER_NV12_JPEG, |
| SHADER_NV12_BT601, |
| SHADER_NV12_BT709, |
| SHADER_NV21_JPEG, |
| SHADER_NV21_BT601, |
| SHADER_NV21_BT709, |
| NUM_SHADERS |
| } GL_Shader; |
| |
| typedef struct GL_ShaderContext GL_ShaderContext; |
| |
| extern GL_ShaderContext * GL_CreateShaderContext(void); |
| extern void GL_SelectShader(GL_ShaderContext *ctx, GL_Shader shader); |
| extern void GL_DestroyShaderContext(GL_ShaderContext *ctx); |
| |
| #endif /* SDL_shaders_gl_h_ */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |