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Fix precision issue in SSAO shader
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55ea4a7729
commit
8a2737a0ce
3 changed files with 10 additions and 6 deletions
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@ -112,11 +112,11 @@ CVAR(Float, gl_ssao_strength, 0.7, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR(Bool, gl_ssao_debug, false, 0)
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CVAR(Float, gl_ssao_bias, 0.5f, 0)
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CVAR(Float, gl_ssao_radius, 100.0f, 0)
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CUSTOM_CVAR(Float, gl_ssao_blur_amount, 6.0f, 0)
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CUSTOM_CVAR(Float, gl_ssao_blur_amount, 4.0f, 0)
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{
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if (self < 0.1f) self = 0.1f;
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}
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CUSTOM_CVAR(Int, gl_ssao_blur_samples, 9, 0)
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CUSTOM_CVAR(Int, gl_ssao_blur_samples, 5, 0)
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{
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if (self < 3 || self > 15 || self % 2 == 0)
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self = 9;
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@ -165,8 +165,8 @@ void FGLRenderer::AmbientOccludeScene()
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float aoStrength = gl_ssao_strength;
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//float tanHalfFovy = tan(fovy * (M_PI / 360.0f));
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float tanHalfFovy = 1.0f / 1.33333302f; //gl_RenderState.mProjectionMatrix.get()[5];
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float invFocalLenX = tanHalfFovy * (mBuffers->AmbientWidth / (float)mBuffers->AmbientHeight);
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float tanHalfFovy = 1.0f / 1.33333302f; // 1.0f / gl_RenderState.mProjectionMatrix.get()[5];
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float invFocalLenX = tanHalfFovy * (mBuffers->GetSceneWidth() / (float)mBuffers->GetSceneHeight());
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float invFocalLenY = tanHalfFovy;
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float nDotVBias = clamp(bias, 0.0f, 1.0f);
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float r2 = aoRadius * aoRadius;
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@ -332,8 +332,8 @@ void FGLRenderBuffers::CreateAmbientOcclusion(int width, int height)
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AmbientWidth = width / 2;
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AmbientHeight = height / 2;
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AmbientTexture0 = Create2DTexture("AmbientTexture0", GetHdrFormat(), AmbientWidth, AmbientHeight);
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AmbientTexture1 = Create2DTexture("AmbientTexture1", GetHdrFormat(), AmbientWidth, AmbientHeight);
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AmbientTexture0 = Create2DTexture("AmbientTexture0", GL_RGBA32F, AmbientWidth, AmbientHeight);
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AmbientTexture1 = Create2DTexture("AmbientTexture1", GL_RGBA32F, AmbientWidth, AmbientHeight);
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AmbientFB0 = CreateFrameBuffer("AmbientFB0", AmbientTexture0);
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AmbientFB1 = CreateFrameBuffer("AmbientFB1", AmbientTexture1);
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@ -388,6 +388,7 @@ GLuint FGLRenderBuffers::Create2DTexture(const FString &name, GLuint format, int
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case GL_RGBA8: dataformat = GL_RGBA; datatype = GL_UNSIGNED_BYTE; break;
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case GL_RGBA16: dataformat = GL_RGBA; datatype = GL_UNSIGNED_SHORT; break;
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case GL_RGBA16F: dataformat = GL_RGBA; datatype = GL_FLOAT; break;
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case GL_RGBA32F: dataformat = GL_RGBA; datatype = GL_FLOAT; break;
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case GL_DEPTH_COMPONENT24: dataformat = GL_DEPTH_COMPONENT; datatype = GL_FLOAT; break;
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case GL_STENCIL_INDEX8: dataformat = GL_STENCIL_INDEX; datatype = GL_INT; break;
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case GL_DEPTH24_STENCIL8: dataformat = GL_DEPTH_STENCIL; datatype = GL_UNSIGNED_INT_24_8; break;
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@ -50,6 +50,9 @@ public:
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int GetWidth() const { return mWidth; }
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int GetHeight() const { return mHeight; }
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int GetSceneWidth() const { return mSceneWidth; }
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int GetSceneHeight() const { return mSceneHeight; }
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private:
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void ClearScene();
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void ClearPipeline();
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