private void RenderObstracles(ref ScriptableRenderContext context)
{
var obstracleTime = TimeSample.Sample("Obstracles Sample");
int width, height;
GetLightingResolution(out width, out height);
var cmdBuf = CmdBufferPool.Get("Obstracles");
cmdBuf.GetTemporaryRT(obstracle, width, height, asset.GetDepthBits());
SetRT(cmdBuf, obstracleRT, cWite.linear, true, true);
context.ExecuteCommandBuffer(cmdBuf);
CmdBufferPool.Release(cmdBuf);
var opaqueDrawSettings = new DrawRendererSettings(m_CurrCamera, m_NormalsLitPassName);
opaqueDrawSettings.SetShaderPassName(1, m_NormalsLitPassName);
opaqueDrawSettings.sorting.flags = SortFlags.CommonOpaque;
var opaqueFilterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque,
};
context.DrawRenderers(m_CullResults.visibleRenderers, ref opaqueDrawSettings, opaqueFilterSettings);
asset.ObstraclesRenderTime = obstracleTime.Result();
}
private void ClearResources(ref ScriptableRenderContext context)
{
var cmdBuf = CmdBufferPool.Get("release resources");
cmdBuf.ReleaseTemporaryRT(obstracle);
cmdBuf.ReleaseTemporaryRT(lights);
cmdBuf.ReleaseTemporaryRT(ambient);
cmdBuf.ReleaseTemporaryRT(blurLights);
cmdBuf.ReleaseTemporaryRT(screenColor);
context.ExecuteCommandBuffer(cmdBuf);
CmdBufferPool.Release(cmdBuf);
}
private void InternalRender(ref ScriptableRenderContext context)
{
// TODO : temporary for mip map camera renderers
//if((m_CurrCamera.cullingMask & (1 << 17)) == 1<<17 && m_CurrCamera.cameraType != CameraType.SceneView)
//{
// RenderUnlit(ref context, false);
// return;
//}
if (asset.Mode == FlatLightRPAsset.DrawMode.Unlit)
{
RenderUnlit(ref context, true);
}
else
{
RenderOpaquesAndTransparent(ref context);
if (asset.Mode == FlatLightRPAsset.DrawMode.Opaque)
{
CommandBuffer cmd = CmdBufferPool.Get("Display Opaque");
cmd.Blit(screenColorRT, BuiltinRenderTextureType.CameraTarget);
context.ExecuteCommandBuffer(cmd);
CmdBufferPool.Release(cmd);
}
else
{
RenderObstracles(ref context);
if (asset.Mode == FlatLightRPAsset.DrawMode.Obstracles)
{
CommandBuffer cmd = CmdBufferPool.Get("Display Obstracles");
cmd.Blit(obstracleRT, BuiltinRenderTextureType.CameraTarget);
context.ExecuteCommandBuffer(cmd);
CmdBufferPool.Release(cmd);
}
else
{
RenderLights(ref context);
RenderUnlit(ref context, false);
}
}
ClearResources(ref context);
}
if (CmdBufferPool.ReferencesCount > 0)
{
Debug.LogError("pool references count is large then 0 !");
}
}
private void RenderUnlit(ref ScriptableRenderContext context, bool clear)
{
var time = TimeSample.Sample("Unlit Sample");
if (clear)
{
CommandBuffer cmd = CmdBufferPool.Get("Unlit");
SetRT(cmd, BuiltinRenderTextureType.CameraTarget, m_CurrCamera.backgroundColor.linear, true, true);
context.ExecuteCommandBuffer(cmd);
CmdBufferPool.Release(cmd);
}
var opaqueDrawSettings = new DrawRendererSettings(m_CurrCamera, m_DrawUnlt);
opaqueDrawSettings.sorting.flags = SortFlags.CommonOpaque;
var opaqueFilterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque,
};
context.DrawRenderers(m_CullResults.visibleRenderers, ref opaqueDrawSettings, opaqueFilterSettings);
asset.UnlitRenderTime = time.Result();
}
private void RenderLights(ref ScriptableRenderContext context)
{
var lightsTime = TimeSample.Sample("Lights Sample");
int width, height;
GetLightingResolution(out width, out height);
var ColorRT = BuiltinRenderTextureType.CameraTarget;
Vector2 downSampleTexelSize = new Vector2(1F / width, 1F / height);
Vector2 texel = new Vector2(1F / m_CurrCamera.pixelWidth, 1F / m_CurrCamera.pixelHeight);
float LightPixelSize = m_CurrCamera.orthographicSize * 2f / m_CurrCamera.pixelHeight;
float lightPixelsPerUnityMeter = 1F / LightPixelSize;
Vector3 mainPos = m_CurrCamera.transform.position;
Vector3 gridPos = new Vector3(
Mathf.Round(mainPos.x * lightPixelsPerUnityMeter) / lightPixelsPerUnityMeter,
Mathf.Round(mainPos.y * lightPixelsPerUnityMeter) / lightPixelsPerUnityMeter,
Mathf.Round(mainPos.z * lightPixelsPerUnityMeter) / lightPixelsPerUnityMeter);
Vector3 posDiff = gridPos - mainPos;
Vector3 pos = posDiff + mainPos;
Vector2 offset = Vector2.Scale(texel, -posDiff * (lightPixelsPerUnityMeter));
Matrix4x4 view = Matrix4x4.Inverse(Matrix4x4.TRS(pos, m_CurrCamera.transform.rotation, new Vector3(1, 1, -1)));
Matrix4x4 proj = GL.GetGPUProjectionMatrix(m_CurrCamera.projectionMatrix, true);
Matrix4x4 gPos = proj * view;
var cmdBuf = CmdBufferPool.Get("Lights");
cmdBuf.SetGlobalMatrix(GridPosMatrix, gPos);
cmdBuf.GetTemporaryRT(ambient, width, height, 0);
cmdBuf.GetTemporaryRT(lights, width, height, 0);
SetRT(cmdBuf, lightsRT, Color.clear, true, false);;
cmdBuf.SetGlobalTexture(envObstracleTex, obstracleRT);
context.ExecuteCommandBuffer(cmdBuf);
var opaqueDrawSettings = new DrawRendererSettings(m_CurrCamera, m_DrawLights);
opaqueDrawSettings.SetShaderPassName(1, m_DrawLights);
opaqueDrawSettings.sorting.flags = SortFlags.CommonOpaque;
var opaqueFilterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque,
};
context.DrawRenderers(m_CullResults.visibleRenderers, ref opaqueDrawSettings, opaqueFilterSettings);
if (asset.Mode == FlatLightRPAsset.DrawMode.Lights)
{
cmdBuf.Clear();
cmdBuf.Blit(lights, ColorRT);
context.ExecuteCommandBuffer(cmdBuf);
CmdBufferPool.Release(cmdBuf);
asset.LightsRenderTime = lightsTime.Result();
return;
}
asset.LightsRenderTime = lightsTime.Result();
var compositeTime = TimeSample.Sample("Composite Sample");
// composite
LightsComposite.SetVector(TexelSize, downSampleTexelSize);
LightsComposite.SetVector(ENVLightOffset, offset);
LightsComposite.SetColor(Ambient, asset.GetAmbientColor());
LightsComposite.SetFloat(EmissionBlend, asset.GetEmissionBlend());
LightsComposite.SetFloat(SampleDistBlur, asset.GetSampleDistBlur());
cmdBuf.Clear();
if (asset.BlurLights && asset.BlurLightsIterations > 0)
{
cmdBuf.GetTemporaryRT(blurLights, width, height, 0);
RenderTargetIdentifier dst = blurLightsRT;
RenderTargetIdentifier src = lightsRT;
RenderTargetIdentifier final = src;
for (int i = 0; i < asset.BlurLightsIterations; ++i)
{
cmdBuf.Blit(src, dst, LightsComposite, LIGHT_BLUR_PASS);
RenderTargetIdentifier tmp = dst;
final = dst;
dst = src;
src = tmp;
}
if (asset.AmbientPass)
{
cmdBuf.Blit(final, ambientRT, LightsComposite, AMBIENT_PASS);
cmdBuf.SetGlobalTexture(envLightsTex, ambientRT);
}
else
{
cmdBuf.SetGlobalTexture(envLightsTex, final);
}
}
else if (asset.AmbientPass)
{
cmdBuf.Blit(lightsRT, ambientRT, LightsComposite, AMBIENT_PASS);
cmdBuf.SetGlobalTexture(envLightsTex, ambientRT);
}
else
{
cmdBuf.SetGlobalTexture(envLightsTex, lightsRT);
}
if (asset.AmbientPass)
{
if (asset.Mode == FlatLightRPAsset.DrawMode.Ambient)
{
cmdBuf.Blit(ambientRT, ColorRT);
context.ExecuteCommandBuffer(cmdBuf);
CmdBufferPool.Release(cmdBuf);
asset.CompositeRenderTime = compositeTime.Result();
return;
}
cmdBuf.Blit(screenColorRT, BuiltinRenderTextureType.CameraTarget, LightsComposite, COMPOSITE_PASS);
}
else
{
cmdBuf.Blit(screenColorRT, BuiltinRenderTextureType.CameraTarget, LightsComposite, COMPOSITE_AMBIENT_PASS);
}
context.ExecuteCommandBuffer(cmdBuf);
CmdBufferPool.Release(cmdBuf);
asset.CompositeRenderTime = compositeTime.Result();
}
private void RenderOpaquesAndTransparent(ref ScriptableRenderContext context)
{
int opaque_width = m_CurrCamera.pixelWidth / asset.GetDownsample(FlatLightRPAsset.FLTechnique.Opaques);
int opaque_height = m_CurrCamera.pixelHeight / asset.GetDownsample(FlatLightRPAsset.FLTechnique.Opaques);
if (asset.GroundIsRenderedSeparately)
{
var groundTime = TimeSample.Sample("Ground Sample");
int ground_width = m_CurrCamera.pixelWidth / asset.GetDownsample(FlatLightRPAsset.FLTechnique.Ground);
int ground_height = m_CurrCamera.pixelHeight / asset.GetDownsample(FlatLightRPAsset.FLTechnique.Ground);
CommandBuffer cmd = CmdBufferPool.Get("SetCameraRenderTarget(Ground)");
cmd.GetTemporaryRT(ground, ground_width, ground_height, asset.GetDepthBits());
ClearAndSetRT(cmd, groundRT);
context.ExecuteCommandBuffer(cmd);
var groundDrawSettings = new DrawRendererSettings(m_CurrCamera, m_DrawGround);
groundDrawSettings.SetShaderPassName(1, m_DrawGround);
groundDrawSettings.sorting.flags = SortFlags.CommonOpaque;
var groundFilterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque,
};
if (m_CurrCamera.clearFlags == CameraClearFlags.Skybox)
{
context.DrawSkybox(m_CurrCamera);
}
context.DrawRenderers(m_CullResults.visibleRenderers, ref groundDrawSettings, groundFilterSettings);
cmd.Clear();
cmd.GetTemporaryRT(screenColor, opaque_width, opaque_height, asset.GetDepthBits());
SetRT(cmd, screenColorRT, m_CurrCamera.backgroundColor.linear, false, true);
cmd.Blit(groundRT, screenColorRT);
cmd.ReleaseTemporaryRT(ground);
context.ExecuteCommandBuffer(cmd);
CmdBufferPool.Release(cmd);
asset.GroundRenderTime = groundTime.Result();
}
else
{
CommandBuffer cmd = CmdBufferPool.Get("SetCameraRenderTarget");
cmd.GetTemporaryRT(screenColor, opaque_width, opaque_height, asset.GetDepthBits());
ClearAndSetRT(cmd, screenColorRT);
context.ExecuteCommandBuffer(cmd);
CmdBufferPool.Release(cmd);
if (m_CurrCamera.clearFlags == CameraClearFlags.Skybox)
{
context.DrawSkybox(m_CurrCamera);
}
}
var opTime = TimeSample.Sample("Opaques And Transparent Sample");
var opaqueDrawSettings = new DrawRendererSettings(m_CurrCamera, m_LitPassName);
opaqueDrawSettings.SetShaderPassName(1, m_LitPassName);
opaqueDrawSettings.sorting.flags = SortFlags.CommonOpaque;
var opaqueFilterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque,
};
context.DrawRenderers(m_CullResults.visibleRenderers, ref opaqueDrawSettings, opaqueFilterSettings);
var transparentSettings = new DrawRendererSettings(m_CurrCamera, m_LitPassName);
transparentSettings.SetShaderPassName(1, m_LitPassName);
transparentSettings.sorting.flags = SortFlags.CommonTransparent;
var transparentFilterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.transparent
};
context.DrawRenderers(m_CullResults.visibleRenderers, ref transparentSettings, transparentFilterSettings);
asset.OpaquesAndTransparentRenderTime = opTime.Result();
}