src/render/opengl/SDL_shaders_gl.h
author Michał Janiszewski <janisozaur+sdl2image@gmail.com>
Sun, 28 Oct 2018 21:36:48 +0100
changeset 12366 c46e72bd9950
parent 11811 5d94cb6b24d3
child 12381 dc9108cd4340
permissions -rw-r--r--
Add and update include guards

Include guards in most changed files were missing, I added them keeping
the same style as other SDL files. In some cases I moved the include
guards around to be the first thing the header has to take advantage of
any possible improvements compiler may have for inclusion guards.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef SDL_shaders_gl_h_
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#define SDL_shaders_gl_h_
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#include "../../SDL_internal.h"
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/* OpenGL shader implementation */
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typedef enum {
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    SHADER_NONE,
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    SHADER_SOLID,
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    SHADER_RGB,
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    SHADER_YUV_JPEG,
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    SHADER_YUV_BT601,
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    SHADER_YUV_BT709,
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    SHADER_NV12_JPEG,
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    SHADER_NV12_BT601,
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    SHADER_NV12_BT709,
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    SHADER_NV21_JPEG,
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    SHADER_NV21_BT601,
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    SHADER_NV21_BT709,
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    NUM_SHADERS
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} GL_Shader;
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typedef struct GL_ShaderContext GL_ShaderContext;
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extern GL_ShaderContext * GL_CreateShaderContext(void);
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extern void GL_SelectShader(GL_ShaderContext *ctx, GL_Shader shader);
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extern void GL_DestroyShaderContext(GL_ShaderContext *ctx);
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#endif /* SDL_shaders_gl_h_ */
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/* vi: set ts=4 sw=4 expandtab: */