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authorEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
committerEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
commit54409423f767d8b1cf30cb7d0efca6b4ca138823 (patch)
treed915ac7828703ce4b963efdd9728a1777ba18c1e /apps/openmb/renderer/SSAORenderer.hpp
move to own git serverHEADmaster
Diffstat (limited to 'apps/openmb/renderer/SSAORenderer.hpp')
-rw-r--r--apps/openmb/renderer/SSAORenderer.hpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/apps/openmb/renderer/SSAORenderer.hpp b/apps/openmb/renderer/SSAORenderer.hpp
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+++ b/apps/openmb/renderer/SSAORenderer.hpp
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+#pragma once
+
+#include "Shader.hpp"
+#include <glm/glm.hpp>
+#include <vector>
+
+#define GLFW_INCLUDE_NONE
+#include <GLFW/glfw3.h>
+#ifdef __APPLE__
+#include <OpenGL/gl3.h>
+#endif
+
+namespace renderer {
+class SSAORenderer {
+ public:
+ SSAORenderer();
+ ~SSAORenderer();
+
+ bool init( int width, int height, bool halfRes = true );
+ void resize( int width, int height );
+
+ void bindGBuffer();
+ void unbind();
+
+ void computeSSAO( const glm::mat4& proj, const glm::mat4& invProj, float radius, float bias, float power );
+ void blurSSAO();
+
+ unsigned int getSSAOTextureID() const;
+ void bindSSAOTextureToUnit( int unit, renderer::Shader& shader, const std::string& uniformName = "ssao" ) const;
+
+ renderer::Shader& getGBufferShader () { return mGBufferShader; }
+
+ private:
+ void initBuffers();
+ void initKernelAndNoise();
+
+ int mWidth;
+ int mHeight;
+ bool mHalfRes;
+
+ GLuint mGBufferFBO;
+ GLuint mGNormal;
+ GLuint mGDepth;
+
+ GLuint mSSAOFBO;
+ GLuint mSSAOTexture;
+
+ GLuint mSSAOBlurFBO;
+ GLuint mSSAOBlurTexture;
+
+ GLuint mNoiseTexture;
+
+ GLuint mQuadVAO;
+ GLuint mQuadVBO;
+
+ std::vector<glm::vec3> mKernel;
+ int mKernelSize;
+
+ renderer::Shader mGBufferShader;
+ renderer::Shader mSSAOShader;
+ renderer::Shader mBlurShader;
+};
+
+} // namespace renderer