public Light2DProfile SetupCamera(Camera camera)
{
if (!cameraProfiles.ContainsKey(camera))
{
camera.RemoveAllCommandBuffers();
var profile = new Light2DProfile()
{
Camera = camera,
CommandBuffer = new CommandBuffer(),
LightMap = new RenderTexture(camera.pixelWidth / LightMapResolutionScale, camera.pixelHeight / LightMapResolutionScale, 0, RenderTextureFormat.ARGBFloat),
};
profile.LightMap.filterMode = FilterMode.Point;
profile.LightMap.antiAliasing = 1;
cameraProfiles[camera] = profile;
profile.CommandBuffer.name = "2D Lighting";
profile.LightMap.name = "Light Map";
camera.AddCommandBuffer(CameraEvent.BeforeImageEffects, profile.CommandBuffer);
}
return(cameraProfiles[camera]);
}
public void RenderDeffer(Light2DProfile profile)
{
var camera = profile.Camera;
var cmd = profile.CommandBuffer;
cmd.Clear();
cmd.BeginSample("2D Lighting");
// !IMPORTANT! to prevent blit image upside down
// STUPID UNITY
var useMSAA = profile.Camera.allowMSAA && QualitySettings.antiAliasing > 0 ? 1 : 0;
cmd.SetGlobalInt("_UseMSAA", useMSAA);
#if UNITY_EDITOR
// In SceneView
if (UnityEditor.SceneView.GetAllSceneCameras().Any(cmr => cmr == camera))
{
if (!PreviewInInspector)
{
return;
}
cmd.SetGlobalInt("_SceneView", 1);
}
else
{
cmd.SetGlobalInt("_SceneView", 0);
}
#endif
cmd.SetGlobalInt("_SceneView", 1);
var diffuse = Shader.PropertyToID("_Diffuse");
cmd.GetTemporaryRT(diffuse, -1, -1, 0, FilterMode.Bilinear, RenderTextureFormat.Default, RenderTextureReadWrite.Default, 1);
cmd.Blit(BuiltinRenderTextureType.CameraTarget, diffuse);
var shadowMap = Shader.PropertyToID("_ShadowMap");
var lightMap = profile.LightMap;
cmd.SetRenderTarget(lightMap, lightMap);
cmd.ClearRenderTarget(true, true, Color.black);
cmd.GetTemporaryRT(shadowMap, camera.pixelWidth / ShadowMapResolutionScale, camera.pixelHeight / ShadowMapResolutionScale, 0, ShadowMapFilterMode);
cmd.SetRenderTarget(shadowMap);
cmd.ClearRenderTarget(true, true, Color.black);
cmd.SetRenderTarget(lightMap);
bool renderedShadow = false;
var lights = GameObject.FindObjectsOfType <Light2D>();
foreach (var light in lights)
{
if (renderedShadow)
{
cmd.SetRenderTarget(shadowMap);
cmd.ClearRenderTarget(true, true, Color.black);
}
if (light.LightShadows != LightShadows.None)
{
cmd.SetRenderTarget(shadowMap);
light.RenderShadow(cmd, shadowMap);
renderedShadow = true;
cmd.SetRenderTarget(lightMap);
}
else
{
renderedShadow = false;
}
light.RenderLight(cmd);
}
cmd.SetGlobalFloat("_ExposureLimit", ExposureLimit);
cmd.SetGlobalTexture("_LightMap", lightMap);
cmd.Blit(diffuse, BuiltinRenderTextureType.CameraTarget, LightingMaterial, 0);
cmd.ReleaseTemporaryRT(shadowMap);
cmd.ReleaseTemporaryRT(diffuse);
cmd.SetRenderTarget(BuiltinRenderTextureType.CameraTarget, BuiltinRenderTextureType.CameraTarget);
// GaussianBlur.Blur(256, cmd, BuiltinRenderTextureType.CameraTarget, BuiltinRenderTextureType.CameraTarget, gaussianMat);
cmd.EndSample("2D Lighting");
}