void ForwardRenderer::renderWithZPrePass(IRenderContext* rc)
{
cullAll();
Mat4f VP = m_pCamera->getProjectionMatrix() * m_pCamera->getViewMatrix();
// Do Z Pre-Pass
rc->enableColorBuffer(false, false, false, false);
rc->enableDepthBuffer(true);
rc->clear(IRenderContext::DEPTH);
rc->setDepthTest(IRenderContext::DepthTestValue::Less);
rc->setDrawMode(IRenderContext::DrawMode::Fill);
m_pZPrePassShader->use();
for (auto& e : m_entitiesCulled) // TODO: front-to-back order
{
Mat4f MVP = VP * e->getModelMatrix();
Platform::get()->curShaderProgram()->setUniformFloatMatrix4Array(m_prePassMVPHandle, 1, false,
MVP.getDataPointer());
rc->drawMesh(e->getMesh());
}
// Do color pass
rc->enableColorBuffer(true, true, true, true);
rc->enableDepthBuffer(false);
rc->clear(IRenderContext::COLOR);
rc->setDepthTest(IRenderContext::DepthTestValue::LessEqual);
rc->setDrawMode(IRenderContext::DrawMode::Fill);
for (auto& e : m_entitiesCulled) // TODO: ordered by material
{
e->setupUnique();
e->setupMaterial();
rc->drawMesh(e->getMesh());
}
// Render translucent objects in back-to-front order
rc->enableDepthBuffer(true);
for (auto& e : m_translucentEntitiesCulled) // TODO: order
{
e->setupUnique();
e->setupMaterial();
rc->drawMesh(e->getMesh());
}
}
