VoxelizeClearPass::VoxelizeClearPass(VCTscene* vctScene,
kore::EOperationExecutionType executionType) {
using namespace kore;
_name = std::string("VoxelizeClear Pass");
_useGPUProfiling = vctScene->getUseGPUprofiling();
this->setExecutionType(executionType);
ShaderProgram* shader = new ShaderProgram();
shader->loadShader("./assets/shader/voxelizeClear.shader",
GL_VERTEX_SHADER);
shader->setName("VoxelizeClear shader");
shader->init();
this->setShaderProgram(shader);
addStartupOperation(new kore::BindBuffer(GL_DRAW_INDIRECT_BUFFER,
vctScene->getVoxelFragTex()->getVoxelFragTexIndCmdBuf()->getHandle()));
addStartupOperation(new ColorMaskOp(glm::bvec4(false, false, false, false)));
addStartupOperation(new BindImageTexture(
vctScene->getVoxelFragTex()->getShdVoxelFragTex(VOXELATT_COLOR),
shader->getUniform("voxelFragTex_color")));
addStartupOperation(new BindImageTexture(
vctScene->getVoxelFragTex()->getShdVoxelFragTex(VOXELATT_NORMAL),
shader->getUniform("voxelFragTex_normal")));
addStartupOperation(new kore::DrawIndirectOp(GL_POINTS, 0));
addStartupOperation(new MemoryBarrierOp(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT));
}
LightInjectionPass::LightInjectionPass(VCTscene* vctScene,
kore::SceneNode* lightNode,
kore::FrameBuffer* shadowMapFBO,
kore::EOperationExecutionType executionType) {
using namespace kore;
_name = std::string("Light Injection");
_useGPUProfiling = vctScene->getUseGPUprofiling();
this->setExecutionType(executionType);
_vctScene = vctScene;
_renderMgr = RenderManager::getInstance();
_sceneMgr = SceneManager::getInstance();
_resMgr = ResourceManager::getInstance();
_shadowMapFBO = shadowMapFBO;
ShaderProgram* shader = new ShaderProgram;
shader->loadShader("./assets/shader/LightInjectionFrag.shader",
GL_VERTEX_SHADER);
shader->setName("light injection shader");
shader->init();
this->setShaderProgram(shader);
kore::TexSamplerProperties texSamplerProps;
texSamplerProps.wrapping = glm::uvec3(GL_REPEAT, GL_REPEAT, GL_REPEAT);
texSamplerProps.minfilter = GL_NEAREST;
texSamplerProps.magfilter = GL_NEAREST;
texSamplerProps.type = GL_SAMPLER_2D;
shader->setSamplerProperties(0, texSamplerProps);
addStartupOperation(new BindBuffer(
GL_DRAW_INDIRECT_BUFFER,
_vctScene->getThreadBuf_nodeMap(_vctScene->getNodePool()->getNumLevels() - 1)->getHandle()));
addStartupOperation(new ColorMaskOp(glm::bvec4(true, true, true, true)));
std::vector<ShaderData>& vSMBufferTex = shadowMapFBO->getOutputs();
addStartupOperation(new BindTexture(
&vSMBufferTex[1],
shader->getUniform("smPosition")));
addStartupOperation(new BindUniform(
vctScene->getVoxelGridNode()->getTransform()->getShaderData("inverse model Matrix"),
shader->getUniform("voxelGridTransformI")));
addStartupOperation(new BindUniform(
vctScene->getNodePool()->getShdNumLevels(),
shader->getUniform("numLevels")));
kore::LightComponent* lightComp = static_cast<LightComponent*>(lightNode->getComponent(COMPONENT_LIGHT));
addStartupOperation(new BindUniform(
lightComp->getShaderData("color"),
shader->getUniform("lightColor")));
addStartupOperation(new BindUniform(
lightComp->getShaderData("direction"),
shader->getUniform("lightDir")));
addStartupOperation(new BindTexture(
vctScene->getNodePool()->getShdNodePoolSampler(NEXT),
shader->getUniform("nodePool_next")));
addStartupOperation(new BindTexture(
vctScene->getNodePool()->getShdNodePoolSampler(COLOR),
shader->getUniform("nodePool_color")));
addStartupOperation(new BindImageTexture(
vctScene->getBrickPool()->getShdBrickPool(BRICKPOOL_IRRADIANCE),
shader->getUniform("brickPool_irradiance")));
addStartupOperation(new BindImageTexture(
vctScene->getBrickPool()->getShdBrickPool(BRICKPOOL_COLOR),
shader->getUniform("brickPool_color")));
addStartupOperation(new BindImageTexture(
vctScene->getBrickPool()->getShdBrickPool(BRICKPOOL_NORMAL),
shader->getUniform("brickPool_normal")));
// Add node map for all levels
addStartupOperation(new BindImageTexture(vctScene->getShdLightNodeMap(),
shader->getUniform("nodeMap")));
addStartupOperation(new BindUniform(vctScene->getShdNodeMapOffsets(),
shader->getUniform("nodeMapOffset[0]")));
addStartupOperation(new BindUniform(vctScene->getShdNodeMapSizes(),
shader->getUniform("nodeMapSize[0]")));
addStartupOperation(new DrawIndirectOp(GL_POINTS, 0));
this->addFinishOperation(new MemoryBarrierOp(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT));
}