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Merge pull request #1397 from Unity-Technologies/feature/SSR 

Feature/ssr
/main
GitHub 6 年前
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49b6bb90
共有 2 个文件被更改，包括 64 次插入 和 65 次删除
  1. 2
      com.unity.render-pipelines.high-definition/HDRP/Editor/Lighting/Reflection/HDCubemapInspector.cs
  2. 127
      com.unity.render-pipelines.high-definition/HDRP/HDRenderPipeline.cs

2
com.unity.render-pipelines.high-definition/HDRP/Editor/Lighting/Reflection/HDCubemapInspector.cs
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void InitPreview()
{
if (m_PreviewUtility != null)
m_PreviewUtility.Cleanup();
m_PreviewUtility = new PreviewRenderUtility(false, true);
m_PreviewUtility.cameraFieldOfView = 50.0f;
m_PreviewUtility.camera.nearClipPlane = 0.01f;

127
com.unity.render-pipelines.high-definition/HDRP/HDRenderPipeline.cs
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cmd.SetGlobalInt(HDShaderIDs._SSReflectionEnabled, hdCamera.frameSettings.enableSSR ? 1 : 0);
var previousDepthPyramidRT = hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.DepthPyramid);
if (previousDepthPyramidRT != null)
{
cmd.SetGlobalTexture(HDShaderIDs._DepthPyramidTexture, previousDepthPyramidRT);
cmd.SetGlobalVector(HDShaderIDs._DepthPyramidSize, new Vector4(
previousDepthPyramidRT.referenceSize.x,
previousDepthPyramidRT.referenceSize.y,
1f / previousDepthPyramidRT.referenceSize.x,
1f / previousDepthPyramidRT.referenceSize.y
));
cmd.SetGlobalVector(HDShaderIDs._DepthPyramidScale, new Vector4(
previousDepthPyramidRT.referenceSize.x / (float)previousDepthPyramidRT.rt.width,
previousDepthPyramidRT.referenceSize.y / (float)previousDepthPyramidRT.rt.height,
Mathf.Log(Mathf.Min(previousDepthPyramidRT.rt.width, previousDepthPyramidRT.rt.height), 2),
0.0f
));
}
else
{
cmd.SetGlobalTexture(HDShaderIDs._DepthPyramidTexture, Texture2D.blackTexture);
cmd.SetGlobalVector(HDShaderIDs._DepthPyramidSize, Vector4.one);
cmd.SetGlobalVector(HDShaderIDs._DepthPyramidScale, Vector4.one);
}
PushGlobalRTHandle(
cmd,
hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.DepthPyramid),
HDShaderIDs._DepthPyramidTexture,
HDShaderIDs._DepthPyramidSize,
HDShaderIDs._DepthPyramidScale
);
PushGlobalRTHandle(
cmd,
hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.ColorPyramid),
HDShaderIDs._ColorPyramidTexture,
HDShaderIDs._ColorPyramidSize,
HDShaderIDs._ColorPyramidScale
);
PushGlobalRTHandle(
cmd,
m_VelocityBuffer,
HDShaderIDs._CameraMotionVectorsTexture,
HDShaderIDs._CameraMotionVectorsSize,
HDShaderIDs._CameraMotionVectorsScale
);
var previousColorPyramidRT = hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.ColorPyramid);
if (previousColorPyramidRT != null)
{
cmd.SetGlobalTexture(HDShaderIDs._ColorPyramidTexture, previousColorPyramidRT);
cmd.SetGlobalVector(HDShaderIDs._ColorPyramidSize, new Vector4(
previousColorPyramidRT.referenceSize.x,
previousColorPyramidRT.referenceSize.y,
1f / previousColorPyramidRT.referenceSize.x,
1f / previousColorPyramidRT.referenceSize.y
));
cmd.SetGlobalVector(HDShaderIDs._ColorPyramidScale, new Vector4(
previousColorPyramidRT.referenceSize.x / (float)previousColorPyramidRT.rt.width,
previousColorPyramidRT.referenceSize.y / (float)previousColorPyramidRT.rt.height,
Mathf.Log(Mathf.Min(previousColorPyramidRT.rt.width, previousColorPyramidRT.rt.height), 2),
0.0f
));
}
else
{
cmd.SetGlobalTexture(HDShaderIDs._ColorPyramidTexture, Texture2D.blackTexture);
cmd.SetGlobalVector(HDShaderIDs._ColorPyramidSize, Vector4.one);
cmd.SetGlobalVector(HDShaderIDs._ColorPyramidScale, Vector4.one);
}
cmd.SetGlobalTexture(HDShaderIDs._CameraMotionVectorsTexture, m_VelocityBuffer);
cmd.SetGlobalVector(HDShaderIDs._CameraMotionVectorsSize, new Vector4(
m_VelocityBuffer.referenceSize.x,
m_VelocityBuffer.referenceSize.y,
1f / m_VelocityBuffer.referenceSize.x,
1f / m_VelocityBuffer.referenceSize.y
));
cmd.SetGlobalVector(HDShaderIDs._CameraMotionVectorsScale, new Vector4(
m_VelocityBuffer.referenceSize.x / (float)m_VelocityBuffer.rt.width,
m_VelocityBuffer.referenceSize.y / (float)m_VelocityBuffer.rt.height,
1, 0.0f
));
cmd.SetGlobalBuffer(HDShaderIDs._DebugScreenSpaceTracingData, m_DebugScreenSpaceTracingData);
}
}

: m_ForwardOnlyPassNames;
var debugSSTThisPass = debugScreenSpaceTracing && (m_CurrentDebugDisplaySettings.lightingDebugSettings.debugLightingMode == DebugLightingMode.ScreenSpaceTracingReflection);
if (debugSSTThisPass)
{
cmd.SetGlobalBuffer(HDShaderIDs._DebugScreenSpaceTracingData, m_DebugScreenSpaceTracingData);
}
RenderOpaqueRenderList(cullResults, hdCamera, renderContext, cmd, passNames, m_currentRendererConfigurationBakedLighting);
if (debugSSTThisPass)
cmd.ClearRandomWriteTargets();

var debugSSTThisPass = debugScreenSpaceTracing && (m_CurrentDebugDisplaySettings.lightingDebugSettings.debugLightingMode == DebugLightingMode.ScreenSpaceTracingRefraction);
if (debugSSTThisPass)
{
cmd.SetGlobalBuffer(HDShaderIDs._DebugScreenSpaceTracingData, m_DebugScreenSpaceTracingData);
}
RenderTransparentRenderList(cullResults, hdCamera, renderContext, cmd, m_AllTransparentPassNames, m_currentRendererConfigurationBakedLighting, pass == ForwardPass.PreRefraction ? HDRenderQueue.k_RenderQueue_PreRefraction : HDRenderQueue.k_RenderQueue_Transparent);
if (debugSSTThisPass)
cmd.ClearRandomWriteTargets();

{
if (hdCamera.frameSettings.enableStereo)
renderContext.StopMultiEye(hdCamera.camera);
}
/// <summary>
/// Push a RenderTexture handled by a RTHandle in global parameters.
/// </summary>
/// <param name="cmd">Command buffer to queue commands</param>
/// <param name="rth">RTHandle handling the RenderTexture</param>
/// <param name="textureID">TextureID to use for texture binding.</param>
/// <param name="sizeID">Property ID to store RTHandle size ((x,y) = Actual Pixel Size, (z,w) = 1 / Actual Pixel Size).</param>
/// <param name="scaleID">PropertyID to store RTHandle scale ((x,y) = Screen Scale, z = lod count, w = unused).</param>
void PushGlobalRTHandle(CommandBuffer cmd, RTHandleSystem.RTHandle rth, int textureID, int sizeID, int scaleID)
{
if (rth != null)
{
cmd.SetGlobalTexture(textureID, rth);
cmd.SetGlobalVector(
sizeID,
new Vector4(
rth.referenceSize.x,
rth.referenceSize.y,
1f / rth.referenceSize.x,
1f / rth.referenceSize.y
)
);
cmd.SetGlobalVector(
scaleID,
new Vector4(
rth.referenceSize.x / (float)rth.rt.width,
rth.referenceSize.y / (float)rth.rt.height,
Mathf.Log(Mathf.Min(rth.rt.width, rth.rt.height), 2),
0.0f
)
);
}
else
{
cmd.SetGlobalTexture(textureID, Texture2D.blackTexture);
cmd.SetGlobalVector(sizeID, Vector4.one);
cmd.SetGlobalVector(scaleID, Vector4.one);
}
}
}
}
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