1 files changed, 137 insertions, 0 deletions
diff --git a/src/RenderConfigs.hpp b/src/RenderConfigs.hpp
new file mode 100644
index 0000000..9d1ffcd
--- /dev/null
+++ b/src/RenderConfigs.hpp
@@ -0,0 +1,137 @@
+#pragma once
+
+#include "Gal.hpp"
+
+struct GlobalShaderParameters {
+    glm::mat4 projView;
+    glm::mat4 proj;
+    glm::mat4 invProj;
+    glm::mat4 view;
+    glm::uvec2 viewportSize;
+    glm::uint32 paddingFA = 0xFAAFFAFA;
+    glm::uint32 paddingFB = 0xFBFBFBFB;
+    glm::vec4 ssaoKernels[64];
+    glm::float32 globalTime;
+    glm::float32 dayTime;
+    glm::float32 gamma;
+    glm::uint32 paddingF0 = 0xF0F0F0F0;
+    glm::uint32 paddingF1 = 0xF1F1F1F1;
+    glm::uint32 paddingF2 = 0xF2F2F2F2;
+};
+
+std::shared_ptr<Gal::Shader> LoadVertexShader(std::string_view assetPath);
+
+std::shared_ptr<Gal::Shader> LoadPixelShader(std::string_view assetPath);
+
+class TextureFbCopy {
+    std::shared_ptr<Gal::Framebuffer> framebuffer;
+    std::shared_ptr<Gal::Buffer> fbBuffer;
+    std::shared_ptr<Gal::Pipeline> pipeline;
+    std::shared_ptr<Gal::PipelineInstance> pipelineInstance;
+public:
+
+    TextureFbCopy(
+        std::shared_ptr<Gal::Texture> inputTexture,
+        std::shared_ptr<Gal::Texture> outputTexture,
+        std::shared_ptr<Gal::Shader> copyShader = nullptr);
+
+    TextureFbCopy(
+        std::shared_ptr<Gal::Texture> inputTexture,
+        std::shared_ptr<Gal::Framebuffer> outputFb,
+        std::shared_ptr<Gal::Shader> copyShader = nullptr);
+
+    void Clear() {
+        framebuffer->Clear();
+    }
+
+    void Copy() {
+        pipeline->Activate();
+        pipelineInstance->Activate();
+        pipelineInstance->Render(0, 6);
+    }
+};
+
+class PostProcess {
+    std::shared_ptr<Gal::Framebuffer> framebuffer;
+    std::shared_ptr<Gal::Buffer> fbBuffer;
+    std::shared_ptr<Gal::Pipeline> pipeline;
+    std::shared_ptr<Gal::PipelineInstance> pipelineInstance;
+    std::shared_ptr<Gal::Texture> result;
+public:
+
+    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);
+
+    void Clear() {
+        framebuffer->Clear();
+    }
+
+    void Render() {
+        pipeline->Activate();
+        pipelineInstance->Activate();
+        pipelineInstance->Render(0, 6);
+    }
+
+    template<typename T>
+    void SetShaderParameter(std::string_view name, T value) {
+        pipeline->SetShaderParameter(name, value);
+    }
+
+    std::shared_ptr<Gal::Texture> GetResultTexture() {
+        return result;
+    }
+};
+
+class Gbuffer {
+    std::shared_ptr<Gal::Texture> ssaoNoise;
+    std::unique_ptr<PostProcess> ssaoPass;
+    std::unique_ptr<PostProcess> ssaoBlurPass;
+    std::unique_ptr<PostProcess> lightingPass;
+    std::shared_ptr<Gal::Texture> depthStencil;
+    std::shared_ptr<Gal::Texture> color; //RGB - color
+    std::shared_ptr<Gal::Texture> normal; //RGB - normal
+    std::shared_ptr<Gal::Texture> light; //R - faceLight, G - skyLight, B - ssaoDepthMask
+    std::shared_ptr<Gal::Framebuffer> geomFramebuffer;
+
+public:
+    Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH, int ssaoSamples, size_t ssaoW, size_t ssaoH);
+
+    std::shared_ptr<Gal::Framebuffer> GetGeometryTarget() {
+        return geomFramebuffer;
+    }
+
+    std::shared_ptr<Gal::Texture> GetFinalTexture() {
+        return lightingPass->GetResultTexture();
+    }
+
+    void Render() {
+        if (ssaoPass) {
+            ssaoPass->Render();
+            ssaoBlurPass->Render();
+        }
+        lightingPass->Render();
+    }
+
+    void Clear() {
+        geomFramebuffer->Clear();
+        if (ssaoPass) {
+            ssaoPass->Clear();
+            ssaoBlurPass->Clear();
+        }
+        lightingPass->Clear();
+    }
+
+    int GetMaxRenderBuffers() {
+        return 7;
+    }
+
+    void SetRenderBuff(int renderBuff) {
+        lightingPass->SetShaderParameter("renderBuff", renderBuff);
+    }
+};