void EnsureHookedLightSource(Light light)
{
if (!light)
{
return;
}
if (light.commandBufferCount == 2)
{
return;
}
//Debug.Log("Hooking scattering command buffers on light source: " + light.name);
// NOTE: This doesn't really play nicely with other users of light events.
// Currently not an issue since this code was written pre-5.1 (and light events
// are a new feature in 5.1), but might need a proper solution in the future.
light.RemoveAllCommandBuffers();
if (m_occlusionCmdAfterShadows != null)
{
m_occlusionCmdAfterShadows.Dispose();
}
if (m_occlusionCmdBeforeScreen != null)
{
m_occlusionCmdBeforeScreen.Dispose();
}
m_occlusionCmdAfterShadows = new UnityEngine.Rendering.CommandBuffer();
m_occlusionCmdAfterShadows.name = "Scatter Occlusion Pass 1";
m_occlusionCmdAfterShadows.SetGlobalTexture("u_SMCascadedShadowMap", new UnityEngine.Rendering.RenderTargetIdentifier(UnityEngine.Rendering.BuiltinRenderTextureType.CurrentActive));
m_occlusionCmdBeforeScreen = new UnityEngine.Rendering.CommandBuffer();
m_occlusionCmdBeforeScreen.name = "Scatter Occlusion Pass 2";
light.AddCommandBuffer(UnityEngine.Rendering.LightEvent.AfterShadowMap, m_occlusionCmdAfterShadows);
light.AddCommandBuffer(UnityEngine.Rendering.LightEvent.BeforeScreenspaceMask, m_occlusionCmdBeforeScreen);
}
private void SetTextureCommandBuffer(int id, Texture value)
{
commandBuffer.SetGlobalTexture(id, value);
}