From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../src/render/opengles2/SDL_shaders_gles2.h | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/render/opengles2/SDL_shaders_gles2.h (limited to 'contrib/SDL-3.2.8/src/render/opengles2/SDL_shaders_gles2.h') diff --git a/contrib/SDL-3.2.8/src/render/opengles2/SDL_shaders_gles2.h b/contrib/SDL-3.2.8/src/render/opengles2/SDL_shaders_gles2.h new file mode 100644 index 0000000..e71f8ce --- /dev/null +++ b/contrib/SDL-3.2.8/src/render/opengles2/SDL_shaders_gles2.h @@ -0,0 +1,65 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + 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_ + +#ifdef 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, +#ifdef SDL_HAVE_YUV + GLES2_SHADER_FRAGMENT_TEXTURE_YUV, + GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RA, + GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RG, + GLES2_SHADER_FRAGMENT_TEXTURE_NV21_RA, + GLES2_SHADER_FRAGMENT_TEXTURE_NV21_RG, +#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_ -- cgit v1.2.3