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Occlusion testing implementation in progress

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4083
This commit is contained in:
kearwood
2012-08-29 22:29:18 +00:00
parent f8810110cd
commit 99b6d6771d
11 changed files with 62 additions and 18 deletions
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24
KREngine/KREngine/Classes/KRInstance.cpp
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@@ -72,9 +72,9 @@ void KRInstance::loadModel() {
}
}
void KRInstance::render(KRCamera *pCamera, KRContext *pContext, KRBoundingVolume &frustrumVolume, KRMat4 &viewMatrix, KRVector3 &cameraPosition, KRVector3 &lightDirection, KRMat4 *pShadowMatrices, GLuint *shadowDepthTextures, int cShadowBuffers, KRNode::RenderPass renderPass) {
bool KRInstance::render(KRCamera *pCamera, KRContext *pContext, KRBoundingVolume &frustrumVolume, KRMat4 &viewMatrix, KRVector3 &cameraPosition, KRVector3 &lightDirection, KRMat4 *pShadowMatrices, GLuint *shadowDepthTextures, int cShadowBuffers, KRNode::RenderPass renderPass) {
KRNode::render(pCamera, pContext, frustrumVolume, viewMatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers, renderPass);
bool bRendered = KRNode::render(pCamera, pContext, frustrumVolume, viewMatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers, renderPass);
if(renderPass != KRNode::RENDER_PASS_DEFERRED_LIGHTS && (renderPass != KRNode::RENDER_PASS_FORWARD_TRANSPARENT || this->hasTransparency()) && renderPass != KRNode::RENDER_PASS_FLARES) {
// Don't render meshes on second pass of the deferred lighting renderer, as only lights will be applied
@@ -111,13 +111,25 @@ void KRInstance::render(KRCamera *pCamera, KRContext *pContext, KRBoundingVolume
KRVector3 cameraPosObject = KRMat4::Dot(inverseModelMatrix, cameraPosition);
KRVector3 lightDirObject = KRMat4::Dot(inverseModelMatrix, lightDirection);
GLuint occlusionTest,hasBeenTested,theParams = 0;
glGenQueriesEXT(1, &occlusionTest);
glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_EXT, occlusionTest);
m_pModel->render(pCamera, pContext, matModelToView, mvpmatrix, cameraPosObject, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers, m_pLightMap, renderPass);
glEndQueryEXT(GL_ANY_SAMPLES_PASSED_EXT);
/*
glGetQueryObjectuivEXT(occlusionTest, GL_QUERY_RESULT_AVAILABLE_EXT, &hasBeenTested);
if (hasBeenTested) glGetQueryObjectuivEXT(occlusionTest, GL_QUERY_RESULT_EXT, &theParams);
if (theParams) {
bRendered = true;
}
*/
bRendered = true;
glDeleteQueriesEXT(1, &occlusionTest);
}
}
return bRendered;
}
#endif