OrdinaryMagician/vkdoom_m
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- change ssao pass to use an uniform block

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This commit is contained in:
Magnus Norddahl 2018-06-11 20:48:43 +02:00
commit 763c5c9769
9 changed files with 283 additions and 113 deletions
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57
src/gl/renderer/gl_postprocess.cpp
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@ -118,13 +118,14 @@ void FGLRenderer::AmbientOccludeScene()
mLinearDepthShader->Bind();
mLinearDepthShader->DepthTexture.Set(0);
mLinearDepthShader->ColorTexture.Set(1);
if (gl_multisample > 1) mLinearDepthShader->SampleIndex.Set(0);
mLinearDepthShader->LinearizeDepthA.Set(1.0f / GetZFar() - 1.0f / GetZNear());
mLinearDepthShader->LinearizeDepthB.Set(MAX(1.0f / GetZNear(), 1.e-8f));
mLinearDepthShader->InverseDepthRangeA.Set(1.0f);
mLinearDepthShader->InverseDepthRangeB.Set(0.0f);
mLinearDepthShader->Scale.Set(sceneScaleX, sceneScaleY);
mLinearDepthShader->Offset.Set(sceneOffsetX, sceneOffsetY);
if (gl_multisample > 1) mLinearDepthShader->Uniforms->SampleIndex = 0;
mLinearDepthShader->Uniforms->LinearizeDepthA = 1.0f / GetZFar() - 1.0f / GetZNear();
mLinearDepthShader->Uniforms->LinearizeDepthB = MAX(1.0f / GetZNear(), 1.e-8f);
mLinearDepthShader->Uniforms->InverseDepthRangeA = 1.0f;
mLinearDepthShader->Uniforms->InverseDepthRangeB = 0.0f;
mLinearDepthShader->Uniforms->Scale = { sceneScaleX, sceneScaleY };
mLinearDepthShader->Uniforms->Offset = { sceneOffsetX, sceneOffsetY };
mLinearDepthShader->Uniforms.Set();
RenderScreenQuad();
// Apply ambient occlusion
@ -136,17 +137,18 @@ void FGLRenderer::AmbientOccludeScene()
mSSAOShader->DepthTexture.Set(0);
mSSAOShader->RandomTexture.Set(1);
mSSAOShader->NormalTexture.Set(2);
if (gl_multisample > 1) mSSAOShader->SampleIndex.Set(0);
mSSAOShader->UVToViewA.Set(2.0f * invFocalLenX, 2.0f * invFocalLenY);
mSSAOShader->UVToViewB.Set(-invFocalLenX, -invFocalLenY);
mSSAOShader->InvFullResolution.Set(1.0f / mBuffers->AmbientWidth, 1.0f / mBuffers->AmbientHeight);
mSSAOShader->NDotVBias.Set(nDotVBias);
mSSAOShader->NegInvR2.Set(-1.0f / r2);
mSSAOShader->RadiusToScreen.Set(aoRadius * 0.5 / tanHalfFovy * mBuffers->AmbientHeight);
mSSAOShader->AOMultiplier.Set(1.0f / (1.0f - nDotVBias));
mSSAOShader->AOStrength.Set(aoStrength);
mSSAOShader->Scale.Set(sceneScaleX, sceneScaleY);
mSSAOShader->Offset.Set(sceneOffsetX, sceneOffsetY);
if (gl_multisample > 1) mSSAOShader->Uniforms->SampleIndex = 0;
mSSAOShader->Uniforms->UVToViewA = { 2.0f * invFocalLenX, 2.0f * invFocalLenY };
mSSAOShader->Uniforms->UVToViewB = { -invFocalLenX, -invFocalLenY };
mSSAOShader->Uniforms->InvFullResolution = { 1.0f / mBuffers->AmbientWidth, 1.0f / mBuffers->AmbientHeight };
mSSAOShader->Uniforms->NDotVBias = nDotVBias;
mSSAOShader->Uniforms->NegInvR2 = -1.0f / r2;
mSSAOShader->Uniforms->RadiusToScreen = aoRadius * 0.5 / tanHalfFovy * mBuffers->AmbientHeight;
mSSAOShader->Uniforms->AOMultiplier = 1.0f / (1.0f - nDotVBias);
mSSAOShader->Uniforms->AOStrength = aoStrength;
mSSAOShader->Uniforms->Scale = { sceneScaleX, sceneScaleY };
mSSAOShader->Uniforms->Offset = { sceneOffsetX, sceneOffsetY };
mSSAOShader->Uniforms.Set();
RenderScreenQuad();
// Blur SSAO texture
@ -155,16 +157,18 @@ void FGLRenderer::AmbientOccludeScene()
mBuffers->AmbientFB0.Bind();
mBuffers->AmbientTexture1.Bind(0);
mDepthBlurShader->Bind(false);
mDepthBlurShader->BlurSharpness[false].Set(blurSharpness);
mDepthBlurShader->InvFullResolution[false].Set(1.0f / mBuffers->AmbientWidth, 1.0f / mBuffers->AmbientHeight);
mDepthBlurShader->Uniforms[false]->BlurSharpness = blurSharpness;
mDepthBlurShader->Uniforms[false]->InvFullResolution = { 1.0f / mBuffers->AmbientWidth, 1.0f / mBuffers->AmbientHeight };
mDepthBlurShader->Uniforms[false].Set();
RenderScreenQuad();
mBuffers->AmbientFB1.Bind();
mBuffers->AmbientTexture0.Bind(0);
mDepthBlurShader->Bind(true);
mDepthBlurShader->BlurSharpness[true].Set(blurSharpness);
mDepthBlurShader->InvFullResolution[true].Set(1.0f / mBuffers->AmbientWidth, 1.0f / mBuffers->AmbientHeight);
mDepthBlurShader->PowExponent[true].Set(gl_ssao_exponent);
mDepthBlurShader->Uniforms[true]->BlurSharpness = blurSharpness;
mDepthBlurShader->Uniforms[true]->InvFullResolution = { 1.0f / mBuffers->AmbientWidth, 1.0f / mBuffers->AmbientHeight };
mDepthBlurShader->Uniforms[true]->PowExponent = gl_ssao_exponent;
mDepthBlurShader->Uniforms[true].Set();
RenderScreenQuad();
}
@ -184,9 +188,10 @@ void FGLRenderer::AmbientOccludeScene()
mSSAOCombineShader->Bind();
mSSAOCombineShader->AODepthTexture.Set(0);
mSSAOCombineShader->SceneFogTexture.Set(1);
if (gl_multisample > 1) mSSAOCombineShader->SampleCount.Set(gl_multisample);
mSSAOCombineShader->Scale.Set(sceneScaleX, sceneScaleY);
mSSAOCombineShader->Offset.Set(sceneOffsetX, sceneOffsetY);
if (gl_multisample > 1) mSSAOCombineShader->Uniforms->SampleCount = gl_multisample;
mSSAOCombineShader->Uniforms->Scale = { sceneScaleX, sceneScaleY };
mSSAOCombineShader->Uniforms->Offset = { sceneOffsetX, sceneOffsetY };
mSSAOCombineShader->Uniforms.Set();
RenderScreenQuad();
FGLDebug::PopGroup();