OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Mark portals in scene alpha channel for the SSAO pass

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This commit is contained in:
Magnus Norddahl 2016-09-04 08:15:29 +02:00
commit e025f6e54b
6 changed files with 18 additions and 7 deletions
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5
src/gl/renderer/gl_postprocess.cpp
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@ -170,8 +170,13 @@ void FGLRenderer::AmbientOccludeScene()
mBuffers->BindSceneDepthTexture(0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
mBuffers->BindSceneColorTexture(1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glActiveTexture(GL_TEXTURE0);
mLinearDepthShader->Bind(multisample);
mLinearDepthShader->DepthTexture[multisample].Set(0);
mLinearDepthShader->ColorTexture[multisample].Set(1);
if (multisample) mLinearDepthShader->SampleCount[multisample].Set(gl_multisample);
mLinearDepthShader->LinearizeDepthA[multisample].Set(1.0f / GetZFar() - 1.0f / GetZNear());
mLinearDepthShader->LinearizeDepthB[multisample].Set(MAX(1.0f / GetZNear(), 1.e-8f));

8
src/gl/scene/gl_portal.cpp
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@ -423,14 +423,16 @@ void GLPortal::End(bool usestencil)
glDepthFunc(GL_LEQUAL);
glDepthRange(0, 1);
{
ScopedColorMask colorMask(0, 0, 0, 0);
// glColorMask(0,0,0,0); // no graphics
ScopedColorMask colorMask(0, 0, 0, 1); // mark portal in alpha channel but don't touch color
gl_RenderState.SetEffect(EFF_STENCIL);
gl_RenderState.EnableTexture(false);
gl_RenderState.BlendFunc(GL_ONE, GL_ZERO);
gl_RenderState.BlendEquation(GL_FUNC_ADD);
gl_RenderState.Apply();
DrawPortalStencil();
gl_RenderState.SetEffect(EFF_NONE);
gl_RenderState.EnableTexture(true);
} // glColorMask(1, 1, 1, 1);
}
glDepthFunc(GL_LESS);
}
PortalAll.Unclock();

1
src/gl/shaders/gl_ambientshader.cpp
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@ -60,6 +60,7 @@ void FLinearDepthShader::Bind(bool multisample)
shader.Link("shaders/glsl/lineardepth");
shader.SetAttribLocation(0, "PositionInProjection");
DepthTexture[multisample].Init(shader, "DepthTexture");
ColorTexture[multisample].Init(shader, "ColorTexture");
SampleCount[multisample].Init(shader, "SampleCount");
LinearizeDepthA[multisample].Init(shader, "LinearizeDepthA");
LinearizeDepthB[multisample].Init(shader, "LinearizeDepthB");

1
src/gl/shaders/gl_ambientshader.h
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@ -9,6 +9,7 @@ public:
void Bind(bool multisample);
FBufferedUniformSampler DepthTexture[2];
FBufferedUniformSampler ColorTexture[2];
FBufferedUniform1i SampleCount[2];
FBufferedUniform1f LinearizeDepthA[2];
FBufferedUniform1f LinearizeDepthB[2];