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baldurk
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#include "glsl_shaders.h"
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#include "os/os_specific.h"
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void GenerateGLSLShader(std::vector<std::string> &sources, ShaderType type,
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const std::string &defines, const std::string &shader, int version,
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bool uniforms)
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{
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sources.resize(4);
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sources[0] = StringFormat::Fmt("#version %d core\n", version);
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// hoist up any #extension directives
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size_t extsearch = 0;
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do
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{
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extsearch = shader.find("#extension", extsearch);
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if(extsearch == string::npos)
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break;
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size_t begin = extsearch;
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extsearch = shader.find('\n', extsearch);
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sources[0] += shader.substr(begin, extsearch - begin + 1);
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} while(extsearch != string::npos);
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sources[0] += "\n" + defines + "\n";
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if(uniforms)
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sources[1] = GetEmbeddedResource(glsl_debuguniforms_h);
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else
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sources[1] = "";
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if(shader.find("#include \"texsample.h\"") != string::npos)
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{
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if(type == eShaderVulkan)
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sources[2] = GetEmbeddedResource(glsl_vk_texsample_h);
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else if(type == eShaderGLSL)
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sources[2] = GetEmbeddedResource(glsl_gl_texsample_h);
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else
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RDCERR("Unknown type! %d", type);
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}
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else
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{
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sources[2] = "";
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}
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sources[3] = shader;
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}
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