92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
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#include "Shader.h"
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using namespace Seele;
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using namespace Seele::Gfx;
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std::string getShaderNameFromRenderPassType(Gfx::RenderPassType type)
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{
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switch (type)
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{
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case Gfx::RenderPassType::DepthPrepass:
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return "DepthPrepass";
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case Gfx::RenderPassType::BasePass:
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return "ForwardPlus";
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default:
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return "";
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}
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}
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void modifyRenderPassMacros(Gfx::RenderPassType type, Map<const char*, const char*>& defines)
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{
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switch (type)
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{
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case Gfx::RenderPassType::DepthPrepass:
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DepthPrepass::modifyRenderPassMacros(defines);
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break;
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case Gfx::RenderPassType::BasePass:
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BasePass::modifyRenderPassMacros(defines);
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break;
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}
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}
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ShaderMap::ShaderMap()
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{
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}
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ShaderMap::~ShaderMap()
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{
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}
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const ShaderCollection* ShaderMap::findShaders(PermutationId&& id) const
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{
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for (uint32 i = 0; i < shaders.size(); ++i)
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{
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if (shaders[i].id == id)
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{
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return &(shaders[i]);
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}
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}
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return nullptr;
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}
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ShaderCollection& ShaderMap::createShaders(
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PGraphics graphics,
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RenderPassType renderPass,
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PMaterial material,
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VertexInputType* vertexInput,
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bool /*bPositionOnly*/)
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{
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std::scoped_lock lock(shadersLock);
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ShaderCollection& collection = shaders.add();
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//collection.vertexDeclaration = bPositionOnly ? vertexInput->getPositionDeclaration() : vertexInput->getDeclaration();
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ShaderCreateInfo createInfo;
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createInfo.entryPoint = "vertexMain";
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createInfo.typeParameter = { material->getName().c_str() };
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createInfo.defines["NUM_MATERIAL_TEXCOORDS"] = "1";
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createInfo.defines["USE_INSTANCING"] = "0";
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modifyRenderPassMacros(renderPass, createInfo.defines);
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createInfo.name = getShaderNameFromRenderPassType(renderPass) + " Material " + material->getName();
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std::ifstream codeStream("./shaders/" + getShaderNameFromRenderPassType(renderPass));
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createInfo.mainModule = getShaderNameFromRenderPassType(renderPass);
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createInfo.additionalModules.add(vertexInput->getShaderFilename());
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createInfo.additionalModules.add(material->getName());
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collection.vertexShader = graphics->createVertexShader(createInfo);
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if (renderPass != RenderPassType::DepthPrepass)
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{
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createInfo.entryPoint = "fragmentMain";
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collection.fragmentShader = graphics->createFragmentShader(createInfo);
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}
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ShaderPermutation permutation;
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std::string materialName = material->getName();
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std::string vertexInputName = vertexInput->getName();
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permutation.passType = renderPass;
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std::memcpy(permutation.materialName, materialName.c_str(), sizeof(permutation.materialName));
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std::memcpy(permutation.vertexInputName, vertexInputName.c_str(), sizeof(permutation.vertexInputName));
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collection.id = PermutationId(permutation);
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return collection;
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}
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