OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Added SceneData texture as the second colorbuffer when rendering a scene and placed fog data into it

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This commit is contained in:
Magnus Norddahl 2016-09-21 02:04:56 +02:00
commit d774136282
8 changed files with 115 additions and 24 deletions
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18
src/gl/renderer/gl_postprocess.cpp
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@ -137,9 +137,6 @@ void FGLRenderer::PostProcessScene()
void FGLRenderer::AmbientOccludeScene()
{
if (!gl_ssao || !FGLRenderBuffers::IsEnabled())
return;
FGLDebug::PushGroup("AmbientOccludeScene");
FGLPostProcessState savedState;
@ -226,20 +223,27 @@ void FGLRenderer::AmbientOccludeScene()
RenderScreenQuad();
// Add SSAO back to scene texture:
mBuffers->BindSceneFB();
mBuffers->BindSceneFB(false);
GLenum buffers[] = { GL_COLOR_ATTACHMENT0 };
glDrawBuffers(1, buffers);
glViewport(mSceneViewport.left, mSceneViewport.top, mSceneViewport.width, mSceneViewport.height);
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
if (gl_ssao_debug)
glBlendFunc(GL_ONE, GL_ZERO);
else
glBlendFunc(GL_ZERO, GL_SRC_COLOR);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, mBuffers->AmbientTexture1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
mSSAOCombineShader->Bind();
mSSAOCombineShader->AODepthTexture.Set(0);
mBuffers->BindSceneDataTexture(1);
mSSAOCombineShader->Bind(multisample);
mSSAOCombineShader->AODepthTexture[multisample].Set(0);
mSSAOCombineShader->SceneDataTexture[multisample].Set(1);
if (multisample) mSSAOCombineShader->SampleCount[multisample].Set(gl_multisample);
mSSAOCombineShader->Scale[multisample].Set(mBuffers->AmbientWidth * 2.0f / (float)mScreenViewport.width, mBuffers->AmbientHeight * 2.0f / (float)mScreenViewport.height);
mSSAOCombineShader->Offset[multisample].Set(mSceneViewport.left / (float)mScreenViewport.width, mSceneViewport.top / (float)mScreenViewport.height);
RenderScreenQuad();
FGLDebug::PopGroup();