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Deferred lighting now working with directional lights

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4047
This commit is contained in:
kearwood
2012-04-14 02:15:35 +00:00
parent 97d8054cd0
commit 2ead2995d5
12 changed files with 183 additions and 94 deletions
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68
KREngine/KREngine/Classes/KRDirectionalLight.cpp
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@@ -9,6 +9,8 @@
#include <iostream>
#import "KRDirectionalLight.h"
#import "KRShader.h"
#import "KRContext.h"
KRDirectionalLight::KRDirectionalLight(std::string name) : KRLight(name)
{
@@ -30,48 +32,34 @@ void KRDirectionalLight::render(KRCamera *pCamera, KRContext *pContext, KRBoundi
if(gBufferPass == 2) {
// Lights are rendered on the second pass of the deferred renderer
/*
if(m_pModel == NULL) {
m_pModel = pContext->getModelManager()->getModel(m_model_name.c_str());
}
if(m_pModel != NULL && (getExtents(pContext).test_intersect(frustrumVolume) || bRenderShadowMap)) {
if(m_pLightMap == NULL && m_lightMap.size()) {
m_pLightMap = pContext->getTextureManager()->getTexture(m_lightMap.c_str());
}
if(cShadowBuffers == 0 && m_pLightMap && pCamera->bEnableLightMap && !bRenderShadowMap) {
int iTextureName = m_pLightMap->getName();
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, iTextureName);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.0f);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
KRMat4 projectionMatrix;
if(!bRenderShadowMap) {
projectionMatrix = pCamera->getProjectionMatrix();
}
KRMat4 mvpmatrix = m_modelMatrix * viewMatrix * projectionMatrix;
KRMat4 matModelToView = viewMatrix * m_modelMatrix;
matModelToView.transpose();
matModelToView.invert();
// Transform location of camera to object space for calculation of specular halfVec
KRMat4 inverseModelMatrix = m_modelMatrix;
inverseModelMatrix.invert();
KRVector3 cameraPosObject = inverseModelMatrix.dot(cameraPosition);
KRVector3 lightDirObject = inverseModelMatrix.dot(lightDirection);
m_pModel->render(pCamera, pContext, bRenderShadowMap, matModelToView, mvpmatrix, cameraPosObject, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers, m_pLightMap, gBufferPass);
}
*/
KRMat4 projectionMatrix = pCamera->getProjectionMatrix();
KRMat4 mvpmatrix = m_modelMatrix * viewMatrix * projectionMatrix;
KRMat4 matModelToView = viewMatrix * m_modelMatrix;
matModelToView.transpose();
matModelToView.invert();
KRShader *pShader = pContext->getShaderManager()->getShader("light_directional", pCamera, false, false, false, 0, false, false, false, false, false, false, false, gBufferPass);
pShader->bind(pCamera, matModelToView, mvpmatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, 0, gBufferPass);
// Render a full screen quad
static const GLfloat squareVertices[] = {
-1.0f, -1.0f,
1.0f, -1.0f,
-1.0f, 1.0f,
1.0f, 1.0f,
};
// Disable z-buffer test
glDisable(GL_DEPTH_TEST);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glVertexAttribPointer(KRShader::KRENGINE_ATTRIB_VERTEX, 2, GL_FLOAT, 0, 0, squareVertices);
glEnableVertexAttribArray(KRShader::KRENGINE_ATTRIB_VERTEX);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
KRNode::render(pCamera, pContext, frustrumVolume, bRenderShadowMap, viewMatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers, gBufferPass);