kc3-lang/SDL/src/render/opengles2/SDL_shaders_gles2.h

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• Hash : 5bc85d67
  Author :
  Date : 2022-09-16T06:15:45
  

  Only advertise the SDL_PIXELFORMAT_EXTERNAL_OES format if we can build the shader for it

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• src/render/opengles2/SDL_shaders_gles2.h

• /*
    Simple DirectMedia Layer
    Copyright (C) 1997-2022 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 enum
  {
      GLES2_SHADER_FRAGMENT_INCLUDE_NONE = 0,
      GLES2_SHADER_FRAGMENT_INCLUDE_BEST_TEXCOORD_PRECISION,
      GLES2_SHADER_FRAGMENT_INCLUDE_MEDIUM_TEXCOORD_PRECISION,
      GLES2_SHADER_FRAGMENT_INCLUDE_HIGH_TEXCOORD_PRECISION,
      GLES2_SHADER_FRAGMENT_INCLUDE_UNDEF_PRECISION,
      GLES2_SHADER_FRAGMENT_INCLUDE_COUNT
  } GLES2_ShaderIncludeType;
  
  typedef enum
  {
      GLES2_SHADER_VERTEX_DEFAULT = 0,
      GLES2_SHADER_FRAGMENT_SOLID,
      GLES2_SHADER_FRAGMENT_TEXTURE_ABGR,
      GLES2_SHADER_FRAGMENT_TEXTURE_ARGB,
      GLES2_SHADER_FRAGMENT_TEXTURE_BGR,
      GLES2_SHADER_FRAGMENT_TEXTURE_RGB,
  #if SDL_HAVE_YUV
      GLES2_SHADER_FRAGMENT_TEXTURE_YUV_JPEG,
      GLES2_SHADER_FRAGMENT_TEXTURE_YUV_BT601,
      GLES2_SHADER_FRAGMENT_TEXTURE_YUV_BT709,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV12_JPEG,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RA_BT601,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RG_BT601,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RA_BT709,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RG_BT709,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV21_JPEG,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV21_BT601,
      GLES2_SHADER_FRAGMENT_TEXTURE_NV21_BT709,
  #endif
      /* Shaders beyond this point are optional and not cached at render creation */
      GLES2_SHADER_FRAGMENT_TEXTURE_EXTERNAL_OES,
      GLES2_SHADER_COUNT
  } GLES2_ShaderType;
  
  extern const char *GLES2_GetShaderPrologue(GLES2_ShaderType type);
  extern const char *GLES2_GetShaderInclude(GLES2_ShaderIncludeType type);
  extern const char *GLES2_GetShader(GLES2_ShaderType type);
  extern GLES2_ShaderIncludeType GLES2_GetTexCoordPrecisionEnumFromHint(void);
  
  #endif /* SDL_VIDEO_RENDER_OGL_ES2 */
  
  #endif /* SDL_shaders_gles2_h_ */
  
  /* vi: set ts=4 sw=4 expandtab: */
  

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