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author | LaG1924 <lag1924@gmail.com> | 2021-11-21 17:26:31 +0100 |
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committer | LaG1924 <lag1924@gmail.com> | 2021-11-21 17:45:48 +0100 |
commit | 0148fe0915c2c6f0357609c9b3e1c99d713fcd2b (patch) | |
tree | 8d1d50e046b4fd1ddfc688934e795fb0774acb0d /src/RenderConfigs.cpp | |
parent | Added gbuffer visualization (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/RenderConfigs.cpp | 145 |
1 files changed, 92 insertions, 53 deletions
diff --git a/src/RenderConfigs.cpp b/src/RenderConfigs.cpp index 2867bc6..d62d204 100644 --- a/src/RenderConfigs.cpp +++ b/src/RenderConfigs.cpp @@ -2,6 +2,81 @@ #include "AssetManager.hpp" +std::string LoadShaderCode(std::string_view assetPath) { + auto gal = Gal::GetImplementation(); + auto codeAsset = AssetManager::GetAssetByAssetName(std::string(assetPath)); + auto codePtr = reinterpret_cast<const char*>(codeAsset->data.data()); + return std::string(codePtr, codePtr + codeAsset->data.size()); +} + +std::shared_ptr<Gal::Shader> LoadVertexShader(std::string_view assetPath) { + auto gal = Gal::GetImplementation(); + return gal->LoadVertexShader(LoadShaderCode(assetPath)); +} + +std::shared_ptr<Gal::Shader> LoadPixelShader(std::string_view assetPath) { + auto gal = Gal::GetImplementation(); + return gal->LoadPixelShader(LoadShaderCode(assetPath)); +} + +PostProcess::PostProcess( + std::shared_ptr<Gal::Shader> pixelShader, + std::vector<std::pair<std::string_view, std::shared_ptr<Gal::Texture>>> inputTextures, + std::vector<std::pair<std::string_view, Gal::Type>> inputParameters, + size_t width, + size_t height, + Gal::Format format, + Gal::Filtering filtering) { + auto gal = Gal::GetImplementation(); + + auto texConf = gal->CreateTexture2DConfig(width, height, format); + texConf->SetMinFilter(filtering); + texConf->SetMaxFilter(filtering); + + result = gal->BuildTexture(texConf); + + auto fbConf = gal->CreateFramebufferConfig(); + fbConf->SetTexture(0, result); + + framebuffer = gal->BuildFramebuffer(fbConf); + framebuffer->SetViewport(0, 0, width, height); + + auto fbPPC = gal->CreatePipelineConfig(); + fbPPC->SetTarget(framebuffer); + for (auto&& [name, texture] : inputTextures) { + fbPPC->AddStaticTexture(name, texture); + } + for (auto&& [name, type] : inputParameters) { + fbPPC->AddShaderParameter(name, type); + } + fbPPC->SetVertexShader(LoadVertexShader("/altcraft/shaders/vert/pp")); + fbPPC->SetPixelShader(pixelShader); + auto fbBufferBB = fbPPC->BindVertexBuffer({ + {"pos", Gal::Type::Vec2}, + {"uvPos", Gal::Type::Vec2} + }); + + pipeline = gal->BuildPipeline(fbPPC); + + fbBuffer = gal->CreateBuffer(); + constexpr float quadVertices[] = { + // pos // uv + -1.0f, 1.0f, 0.0f, 1.0f, + -1.0f, -1.0f, 0.0f, 0.0f, + 1.0f, -1.0f, 1.0f, 0.0f, + + -1.0f, 1.0f, 0.0f, 1.0f, + 1.0f, -1.0f, 1.0f, 0.0f, + 1.0f, 1.0f, 1.0f, 1.0f + }; + auto quadPtr = reinterpret_cast<const std::byte*>(quadVertices); + fbBuffer->SetData({ quadPtr, quadPtr + sizeof(quadVertices) }); + + pipelineInstance = pipeline->CreateInstance({ + {fbBufferBB, fbBuffer} + }); +} + Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH) { auto gal = Gal::GetImplementation(); @@ -40,60 +115,24 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH) { geomFramebuffer = gal->BuildFramebuffer(geomFbConf); geomFramebuffer->SetViewport(0, 0, geomW, geomH); - auto finalColorConf = gal->CreateTexture2DConfig(lightW, lightH, Gal::Format::R8G8B8A8); - finalColorConf->SetMinFilter(Gal::Filtering::Bilinear); - finalColorConf->SetMaxFilter(Gal::Filtering::Bilinear); - finalColor = gal->BuildTexture(finalColorConf); - - auto lightFbConf = gal->CreateFramebufferConfig(); - lightFbConf->SetTexture(0, finalColor); - - lightFramebuffer = gal->BuildFramebuffer(lightFbConf); - lightFramebuffer->SetViewport(0, 0, lightW, lightH); - - std::string vertexSource, pixelSource; - { - auto vertAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/vert/light"); - vertexSource = std::string((char*)vertAsset->data.data(), (char*)vertAsset->data.data() + vertAsset->data.size()); - - auto pixelAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/frag/light"); - pixelSource = std::string((char*)pixelAsset->data.data(), (char*)pixelAsset->data.data() + pixelAsset->data.size()); - } - - auto lightPPC = gal->CreatePipelineConfig(); - lightPPC->SetTarget(lightFramebuffer); - lightPPC->AddStaticTexture("color", color); - lightPPC->AddStaticTexture("addColor", addColor); - lightPPC->AddStaticTexture("normal", normal); - lightPPC->AddStaticTexture("light", light); - lightPPC->AddStaticTexture("depthStencil", depthStencil); - lightPPC->AddShaderParameter("dayTime", Gal::Type::Float); - lightPPC->AddShaderParameter("renderBuff", Gal::Type::Int32); - - lightPPC->SetVertexShader(gal->LoadVertexShader(vertexSource)); - lightPPC->SetPixelShader(gal->LoadPixelShader(pixelSource)); - - auto lightBB = lightPPC->BindVertexBuffer({ - {"pos", Gal::Type::Vec2}, - {"uvPos", Gal::Type::Vec2} - }); - - lightPipeline = gal->BuildPipeline(lightPPC); - - constexpr float quadVertices[] = { - // pos // uv - -1.0f, 1.0f, 0.0f, 1.0f, - -1.0f, -1.0f, 0.0f, 0.0f, - 1.0f, -1.0f, 1.0f, 0.0f, + std::vector<std::pair<std::string_view, std::shared_ptr<Gal::Texture>>> lightingTexture = { + {"color", color}, + {"addColor", addColor}, + {"normal", normal}, + {"light", light}, + {"depthStencil", depthStencil}, + }; - -1.0f, 1.0f, 0.0f, 1.0f, - 1.0f, -1.0f, 1.0f, 0.0f, - 1.0f, 1.0f, 1.0f, 1.0f + std::vector<std::pair<std::string_view, Gal::Type>> lightingParameters = { + {"dayTime", Gal::Type::Float}, + {"renderBuff", Gal::Type::Int32}, }; - lightBuffer = gal->CreateBuffer(); - lightBuffer->SetData({ reinterpret_cast<const std::byte*>(quadVertices), reinterpret_cast<const std::byte*>(quadVertices) + sizeof(quadVertices) }); - lightPipelineInstance = lightPipeline->CreateInstance({ - {lightBB, lightBuffer} - }); + lightingPass = std::make_unique<PostProcess>(LoadPixelShader("/altcraft/shaders/frag/light"), + lightingTexture, + lightingParameters, + lightW, + lightH, + Gal::Format::R8G8B8A8, + Gal::Filtering::Bilinear); } |