Method renderMeshes

physx/samples/sampleframework/renderer/src/Renderer.cpp:519–570

}

void Renderer::renderMeshes(std::vector<RendererMeshContext>& meshes, RendererMaterial::Pass pass)
{
	PX_PROFILE_ZONE("Renderer_renderMeshes",0);

	RendererMaterial         *lastMaterial         = 0;
	RendererMaterialInstance *lastMaterialInstance = 0;
	const RendererMesh       *lastMesh             = 0;

	const PxU32 numMeshes = (PxU32)meshes.size();
	for(PxU32 i=0; i<numMeshes; i++)
	{
		RendererMeshContext& context = meshes[i];

		if(!context.mesh->willRender())
		{
			continue;
		}

		// the mesh context should be bound before the material, this is 
		// necessary because the materials read state from the graphics device
		// for instance to determine if two-sided lighting should be enabled
		bindMeshContext(context);
		
		bool instanced = context.mesh->getInstanceBuffer()?true:false;

		if(context.materialInstance && context.materialInstance != lastMaterialInstance)
		{
			if(lastMaterial) lastMaterial->unbind();
			lastMaterialInstance =  context.materialInstance;
			lastMaterial         = &context.materialInstance->getMaterial();
			lastMaterial->bind(pass, lastMaterialInstance, instanced);
		}
		else if(context.material != lastMaterial)
		{
			if(lastMaterial) lastMaterial->unbind();
			lastMaterialInstance = 0;
			lastMaterial         = context.material;
			lastMaterial->bind(pass, lastMaterialInstance, instanced);
		}

		if(lastMaterial) lastMaterial->bindMeshState(instanced);
		if(context.mesh != lastMesh)
		{
			if(lastMesh) lastMesh->unbind();
			lastMesh = context.mesh;
			if(lastMesh) lastMesh->bind();
		}
		if(lastMesh) context.mesh->render(context.material);
	}
	if(lastMesh)     lastMesh->unbind();
	if(lastMaterial) lastMaterial->unbind();
}

struct CompareMeshCameraDist
{