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Merge pull request #318 from EvgeniiG/hdrp_matrix

Set HDRP matrices from scripts (except shadows)
/RenderPassXR_Sandbox
GitHub 7 年前
当前提交
1fb45557
共有 36 个文件被更改,包括 548 次插入395 次删除
  1. 2
      Assets/ScriptableRenderPipeline/Core/Shadow/Resources/DebugDisplayShadowMap.shader
  2. 2
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Debug/DebugDisplayLatlong.shader
  3. 2
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Debug/DebugFullScreen.shader
  4. 124
      Assets/ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipeline.cs
  5. 8
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/AmbientOcclusion/ScreenSpaceAmbientOcclusion.cs
  6. 2
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/AmbientOcclusion/ScreenSpaceAmbientOcclusion.cs.meta
  7. 30
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs
  8. 15
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLit.shader
  9. 15
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLitTessellation.shader
  10. 2
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.cs
  11. 14
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader
  12. 13
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTessellation.shader
  13. 10
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Resources/CombineSubsurfaceScattering.shader
  14. 18
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Resources/PreIntegratedFGD.shader
  15. 1
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Unlit/Unlit.shader
  16. 1
      Assets/ScriptableRenderPipeline/HDRenderPipeline/SceneSettings/Resources/DrawSssProfile.shader
  17. 1
      Assets/ScriptableRenderPipeline/HDRenderPipeline/SceneSettings/Resources/DrawTransmittanceGraph.shader
  18. 3
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPass.cs
  19. 1
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPass.cs.hlsl
  20. 2
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPassDepthOnly.hlsl
  21. 338
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariables.hlsl
  22. 2
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/BlitCubemap.shader
  23. 6
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/GGXConvolve.shader
  24. 3
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/HDRISky/Resources/SkyHDRI.shader
  25. 2
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/ProceduralSky/ProceduralSkyRenderer.cs
  26. 7
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/ProceduralSky/Resources/SkyProcedural.shader
  27. 19
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/SkyManager.cs
  28. 13
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Utilities.cs
  29. 36
      Assets/ScriptableRenderPipeline/ShaderLibrary/Common.hlsl
  30. 171
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesFunctions.hlsl
  31. 10
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesFunctions.hlsl.meta
  32. 20
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsHDCamera.hlsl
  33. 10
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsHDCamera.hlsl.meta
  34. 20
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsLegacyUnity.hlsl
  35. 10
      Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsLegacyUnity.hlsl.meta
  36. 10
      Assets/TestScenes/HDTest/HDRenderLoopTest.meta

2
Assets/ScriptableRenderPipeline/Core/Shadow/Resources/DebugDisplayShadowMap.shader


{
Varyings output;
output.positionCS = GetFullScreenTriangleVertexPosition(input.vertexID);
output.texcoord = GetFullScreenTriangleTexcoord(input.vertexID) * _TextureScaleBias.xy + _TextureScaleBias.zw;
output.texcoord = GetFullScreenTriangleTexCoord(input.vertexID) * _TextureScaleBias.xy + _TextureScaleBias.zw;
return output;
}

2
Assets/ScriptableRenderPipeline/HDRenderPipeline/Debug/DebugDisplayLatlong.shader


{
Varyings output;
output.positionCS = GetFullScreenTriangleVertexPosition(input.vertexID);
output.texcoord = GetFullScreenTriangleTexcoord(input.vertexID);// *_TextureScaleBias.xy + _TextureScaleBias.zw;
output.texcoord = GetFullScreenTriangleTexCoord(input.vertexID);// *_TextureScaleBias.xy + _TextureScaleBias.zw;
return output;
}

2
Assets/ScriptableRenderPipeline/HDRenderPipeline/Debug/DebugFullScreen.shader


{
Varyings output;
output.positionCS = GetFullScreenTriangleVertexPosition(input.vertexID);
output.texcoord = GetFullScreenTriangleTexcoord(input.vertexID);
output.texcoord = GetFullScreenTriangleTexCoord(input.vertexID);
return output;
}

124
Assets/ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipeline.cs


// not used during a frame.
public class HDCamera
{
public readonly Camera camera;
public Matrix4x4 viewMatrix;
public Matrix4x4 projMatrix;
public Vector4 screenSize;
public Camera camera;
public Matrix4x4 viewProjMatrix
{
get { return projMatrix * viewMatrix; }
}
public Vector4 invProjParam
{
// Ref: An Efficient Depth Linearization Method for Oblique View Frustums, Eq. 6.
get { var p = projMatrix; return new Vector4(p.m20 / (p.m00 * p.m23), p.m21 / (p.m11 * p.m23), -1.0f / p.m23, (-p.m22 + p.m20 * p.m02 / p.m00 + p.m21 * p.m12 / p.m11) / p.m23); }
}
public Vector4 screenSize { get; private set; }
public Matrix4x4 viewProjectionMatrix { get; private set; }
public Matrix4x4 prevViewProjectionMatrix { get; private set; }
public Matrix4x4 invViewProjectionMatrix { get; private set; }
public Matrix4x4 invProjectionMatrix { get; private set; }
public Vector4 invProjectionParam { get; private set; }
// View-projection matrix from the previous frame.
public Matrix4x4 prevViewProjMatrix;
// The only way to reliably keep track of a frame change right now is to compare the frame
// count Unity gives us. We need this as a single camera could be rendered several times per

public void Update()
{
screenSize = new Vector4(camera.pixelWidth, camera.pixelHeight, 1.0f / camera.pixelWidth, 1.0f / camera.pixelHeight);
var gpuProj = GL.GetGPUProjectionMatrix(camera.projectionMatrix, false);
var gpuProj = GL.GetGPUProjectionMatrix(camera.projectionMatrix, true); // Had to change this from 'false'
prevViewProjectionMatrix = !m_FirstFrame
? viewProjectionMatrix
prevViewProjMatrix = !m_FirstFrame
? viewProjMatrix
// Ref: An Efficient Depth Linearization Method for Oblique View Frustums, Eq. 6.
var invProjParam = new Vector4(
gpuProj.m20 / (gpuProj.m00 * gpuProj.m23),
gpuProj.m21 / (gpuProj.m11 * gpuProj.m23),
-1.0f / gpuProj.m23,
(-gpuProj.m22
+ gpuProj.m20 * gpuProj.m02 / gpuProj.m00
+ gpuProj.m21 * gpuProj.m12 / gpuProj.m11) / gpuProj.m23
);
viewProjectionMatrix = gpuVP;
invViewProjectionMatrix = gpuVP.inverse;
invProjectionMatrix = gpuProj.inverse;
invProjectionParam = invProjParam;
viewMatrix = camera.worldToCameraMatrix;
projMatrix = gpuProj;
screenSize = new Vector4(camera.pixelWidth, camera.pixelHeight, 1.0f / camera.pixelWidth, 1.0f / camera.pixelHeight);
}
public void SetupMaterial(Material material)
{
material.SetVector("_ScreenSize", screenSize);
material.SetMatrix("_ViewProjMatrix", viewProjectionMatrix);
material.SetMatrix("_PrevViewProjMatrix", prevViewProjectionMatrix);
material.SetMatrix("_InvViewProjMatrix", invViewProjectionMatrix);
material.SetMatrix("_InvProjMatrix", invProjectionMatrix);
material.SetVector("_InvProjParam", invProjectionParam);
}
public void Reset()

m_Cleanup.Clear();
}
public void SetupGlobalParams(CommandBuffer cmd)
{
cmd.SetGlobalMatrix("_ViewMatrix", viewMatrix);
cmd.SetGlobalMatrix("_InvViewMatrix", viewMatrix.inverse);
cmd.SetGlobalMatrix("_ProjMatrix", projMatrix);
cmd.SetGlobalMatrix("_InvProjMatrix", projMatrix.inverse);
cmd.SetGlobalMatrix("_ViewProjMatrix", viewProjMatrix);
cmd.SetGlobalMatrix("_InvViewProjMatrix", viewProjMatrix.inverse);
cmd.SetGlobalVector("_InvProjParam", invProjParam);
cmd.SetGlobalVector("_ScreenSize", screenSize);
cmd.SetGlobalMatrix("_PrevViewProjMatrix", prevViewProjMatrix);
}
// Does not modify global settings. Used for shadows, low res. rendering, etc.
public void OverrideGlobalParams(Material material)
{
material.SetMatrix("_ViewMatrix", viewMatrix);
material.SetMatrix("_InvViewMatrix", viewMatrix.inverse);
material.SetMatrix("_ProjMatrix", projMatrix);
material.SetMatrix("_InvProjMatrix", projMatrix.inverse);
material.SetMatrix("_ViewProjMatrix", viewProjMatrix);
material.SetMatrix("_InvViewProjMatrix", viewProjMatrix.inverse);
material.SetVector("_InvProjParam", invProjParam);
material.SetVector("_ScreenSize", screenSize);
material.SetMatrix("_PrevViewProjMatrix", prevViewProjMatrix);
}
public void SetupComputeShader(ComputeShader cs, CommandBuffer cmd)
{
Utilities.SetMatrixCS(cmd, cs, "_ViewMatrix", viewMatrix);
Utilities.SetMatrixCS(cmd, cs, "_InvViewMatrix", viewMatrix.inverse);
Utilities.SetMatrixCS(cmd, cs, "_ProjMatrix", projMatrix);
Utilities.SetMatrixCS(cmd, cs, "_InvProjMatrix", projMatrix.inverse);
Utilities.SetMatrixCS(cmd, cs, "_ViewProjMatrix", viewProjMatrix);
Utilities.SetMatrixCS(cmd, cs, "_InvViewProjMatrix", viewProjMatrix.inverse);
cmd.SetComputeVectorParam( cs, "_InvProjParam", invProjParam);
cmd.SetComputeVectorParam( cs, "_ScreenSize", screenSize);
Utilities.SetMatrixCS(cmd, cs, "_PrevViewProjMatrix", prevViewProjMatrix);
}
}
public class GBufferManager

{
var cmd = CommandBufferPool.Get("Push Global Parameters");
cmd.SetGlobalVector("_ScreenSize", hdCamera.screenSize);
cmd.SetGlobalMatrix("_ViewProjMatrix", hdCamera.viewProjectionMatrix);
cmd.SetGlobalMatrix("_PrevViewProjMatrix", hdCamera.prevViewProjectionMatrix);
cmd.SetGlobalMatrix("_InvViewProjMatrix", hdCamera.invViewProjectionMatrix);
cmd.SetGlobalMatrix("_InvProjMatrix", hdCamera.invProjectionMatrix);
cmd.SetGlobalVector("_InvProjParam", hdCamera.invProjectionParam);
hdCamera.SetupGlobalParams(cmd);
// TODO: cmd.SetGlobalInt() does not exist, so we are forced to use Shader.SetGlobalInt() instead.

// Render GBuffer opaque
if (!m_Asset.renderingSettings.ShouldUseForwardRenderingOnly())
{
hdCamera.SetupMaterial(m_DebugViewMaterialGBuffer);
// TODO: Bind depth textures
var cmd = CommandBufferPool.Get("DebugViewMaterialGBuffer" );
cmd.Blit(null, m_CameraColorBufferRT, m_DebugViewMaterialGBuffer, 0);

if (sssSettings.useDisneySSS)
{
cmd.SetGlobalTexture("_IrradianceSource", m_CameraSubsurfaceBufferRT); // Cannot set a RT on a material
// Temp >>>
Matrix4x4 viewMatrix = hdCamera.camera.worldToCameraMatrix;
viewMatrix.SetRow(2, -viewMatrix.GetRow(2)); // Make Z axis point forwards in the view space (left-handed CS)
Matrix4x4 projMatrix = GL.GetGPUProjectionMatrix(hdCamera.camera.projectionMatrix, false);
projMatrix.SetColumn(2, -projMatrix.GetColumn(2)); // Undo the view-space transformation
m_FilterAndCombineSubsurfaceScattering.SetMatrix("_ViewMatrix", viewMatrix);
m_FilterAndCombineSubsurfaceScattering.SetMatrix("_ProjMatrix", projMatrix);
// <<< Temp
Utilities.DrawFullScreen(cmd, m_FilterAndCombineSubsurfaceScattering, hdCamera, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT);
Utilities.DrawFullScreen(cmd, m_FilterAndCombineSubsurfaceScattering, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT);
}
else
{

m_FilterSubsurfaceScattering.SetVectorArray("_FilterKernelsBasic", sssParameters.filterKernelsBasic);
m_FilterSubsurfaceScattering.SetVectorArray("_HalfRcpWeightedVariances", sssParameters.halfRcpWeightedVariances);
Utilities.DrawFullScreen(cmd, m_FilterSubsurfaceScattering, hdCamera, m_CameraFilteringBufferRT, m_CameraDepthStencilBufferRT);
Utilities.DrawFullScreen(cmd, m_FilterSubsurfaceScattering, m_CameraFilteringBufferRT, m_CameraDepthStencilBufferRT);
// Perform the horizontal SSS filtering pass, and combine diffuse and specular lighting.
cmd.SetGlobalTexture("_IrradianceSource", m_CameraFilteringBufferRT); // Cannot set a RT on a material

Utilities.DrawFullScreen(cmd, m_FilterAndCombineSubsurfaceScattering, hdCamera, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT);
Utilities.DrawFullScreen(cmd, m_FilterAndCombineSubsurfaceScattering, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT);
}
context.ExecuteCommandBuffer(cmd);

m_FullScreenDebugPushed = false;
debugCB.SetGlobalTexture("_DebugFullScreenTexture", m_DebugFullScreenTempRT);
m_DebugFullScreen.SetFloat("_FullScreenDebugMode", (float)m_DebugDisplaySettings.lightingDebugSettings.fullScreenDebugMode);
Utilities.DrawFullScreen(debugCB, m_DebugFullScreen, camera, BuiltinRenderTextureType.CameraTarget);
Utilities.DrawFullScreen(debugCB, m_DebugFullScreen, (RenderTargetIdentifier)BuiltinRenderTextureType.CameraTarget);
}
// Then overlays

8
Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/AmbientOcclusion/ScreenSpaceAmbientOcclusion.cs


// AO estimation.
m_Command.GetTemporaryRT(Uniforms._TempTex1, width / downsize, height / downsize, 0, kFilter, kTempFormat, kRWMode);
Utilities.DrawFullScreen(m_Command, m_Material, hdCamera, Uniforms._TempTex1, null, 0);
Utilities.DrawFullScreen(m_Command, m_Material, Uniforms._TempTex1, null, 0);
Utilities.DrawFullScreen(m_Command, m_Material, hdCamera, Uniforms._TempTex2, null, 1);
Utilities.DrawFullScreen(m_Command, m_Material, Uniforms._TempTex2, null, 1);
Utilities.DrawFullScreen(m_Command, m_Material, hdCamera, Uniforms._TempTex1, null, 2);
Utilities.DrawFullScreen(m_Command, m_Material, Uniforms._TempTex1, null, 2);
Utilities.DrawFullScreen(m_Command, m_Material, hdCamera, Uniforms._AOBuffer, null, 3);
Utilities.DrawFullScreen(m_Command, m_Material, Uniforms._AOBuffer, null, 3);
m_Command.ReleaseTemporaryRT(Uniforms._TempTex1);
// Setup texture for lighting pass (automagic of unity)

2
Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/AmbientOcclusion/ScreenSpaceAmbientOcclusion.cs.meta


fileFormatVersion: 2
guid: d8a84f4cdff7d6e4c9864e0e606c1692
guid: 610c595da286db7468ad0bd43535e07a
timeCreated: 1494889441
licenseType: Pro
MonoImporter:

30
Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs


if (GetFeatureVariantsEnabled())
{
// featureVariants
hdCamera.SetupMaterial(m_DebugViewTilesMaterial);
m_DebugViewTilesMaterial.SetInt("_NumTiles", numTiles);
m_DebugViewTilesMaterial.SetInt("_ViewTilesFlags", (int)m_TileSettings.tileDebugByCategory);
m_DebugViewTilesMaterial.SetVector("_MousePixelCoord", mousePixelCoord);

else if (m_TileSettings.tileDebugByCategory != TileSettings.TileDebug.None)
{
// lightCategories
hdCamera.SetupMaterial(m_DebugViewTilesMaterial);
m_DebugViewTilesMaterial.SetInt("_ViewTilesFlags", (int)m_TileSettings.tileDebugByCategory);
m_DebugViewTilesMaterial.SetVector("_MousePixelCoord", mousePixelCoord);
m_DebugViewTilesMaterial.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");

// This is a debug brute force renderer to debug tile/cluster which render all the lights
if (outputSplitLighting)
{
Utilities.DrawFullScreen(cmd, m_SingleDeferredMaterialMRT, hdCamera, colorBuffers, depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_SingleDeferredMaterialMRT, colorBuffers, depthStencilBuffer);
}
else
{

m_SingleDeferredMaterialSRT.SetInt("_StencilCmp", (int)CompareFunction.Equal);
}
Utilities.DrawFullScreen(cmd, m_SingleDeferredMaterialSRT, hdCamera, colorBuffers[0], depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_SingleDeferredMaterialSRT, colorBuffers[0], depthStencilBuffer);
}
}
else

cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "_LtcDisneyDiffuseMatrix", Shader.GetGlobalTexture("_LtcDisneyDiffuseMatrix"));
cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "_LtcMultiGGXFresnelDisneyDiffuse", Shader.GetGlobalTexture("_LtcMultiGGXFresnelDisneyDiffuse"));
Matrix4x4 viewToWorld = camera.cameraToWorldMatrix;
Matrix4x4 worldToView = camera.worldToCameraMatrix;
Matrix4x4 viewProjection = hdCamera.viewProjectionMatrix;
Matrix4x4 invViewProjection = hdCamera.invViewProjectionMatrix;
Utilities.SetMatrixCS(cmd, shadeOpaqueShader, "unity_MatrixV", worldToView);
Utilities.SetMatrixCS(cmd, shadeOpaqueShader, "unity_MatrixInvV", viewToWorld);
Utilities.SetMatrixCS(cmd, shadeOpaqueShader, "unity_MatrixVP", viewProjection);
hdCamera.SetupComputeShader(shadeOpaqueShader, cmd);
Utilities.SetMatrixCS(cmd, shadeOpaqueShader, "_InvViewProjMatrix", invViewProjection);
Utilities.SetMatrixCS(cmd, shadeOpaqueShader, "_ViewProjMatrix", viewProjection);
cmd.SetComputeVectorParam(shadeOpaqueShader, "_ScreenSize", hdCamera.screenSize);
cmd.SetComputeIntParam(shadeOpaqueShader, "_UseTileLightList", Shader.GetGlobalInt("_UseTileLightList"));
cmd.SetComputeVectorParam(shadeOpaqueShader, "_Time", Shader.GetGlobalVector("_Time"));

if (outputSplitLighting)
{
Utilities.SelectKeyword(m_DeferredDirectMaterialMRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
Utilities.DrawFullScreen(cmd, m_DeferredDirectMaterialMRT, hdCamera, colorBuffers, depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredDirectMaterialMRT, colorBuffers, depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredIndirectMaterialMRT, hdCamera, colorBuffers, depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredIndirectMaterialMRT, colorBuffers, depthStencilBuffer);
}
else
{

}
Utilities.SelectKeyword(m_DeferredDirectMaterialSRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
Utilities.DrawFullScreen(cmd, m_DeferredDirectMaterialSRT, hdCamera, colorBuffers[0], depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredDirectMaterialSRT, colorBuffers[0], depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredIndirectMaterialSRT, hdCamera, colorBuffers[0], depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredIndirectMaterialSRT, colorBuffers[0], depthStencilBuffer);
}
}
else

Utilities.SelectKeyword(m_DeferredAllMaterialMRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
Utilities.DrawFullScreen(cmd, m_DeferredAllMaterialMRT, hdCamera, colorBuffers, depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredAllMaterialMRT, colorBuffers, depthStencilBuffer);
}
else
{

}
Utilities.SelectKeyword(m_DeferredAllMaterialSRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
Utilities.DrawFullScreen(cmd, m_DeferredAllMaterialSRT, hdCamera, colorBuffers[0], depthStencilBuffer);
Utilities.DrawFullScreen(cmd, m_DeferredAllMaterialSRT, colorBuffers[0], depthStencilBuffer);
}
}
}

15
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLit.shader


#pragma target 4.5
#pragma only_renderers d3d11 ps4 metal // TEMP: until we go further in dev
// #pragma enable_d3d11_debug_symbols
#pragma shader_feature _ALPHATEST_ON
#pragma shader_feature _DISTORTION_ON

#include "../../../ShaderLibrary/common.hlsl"
#include "../../../ShaderLibrary/Wind.hlsl"
#include "../../ShaderConfig.cs.hlsl"
#include "../../ShaderVariables.hlsl"
#include "../../ShaderPass/FragInputs.hlsl"
#include "../../ShaderPass/ShaderPass.cs.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitSharePass.hlsl"
#include "../Lit/LitData.hlsl"

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitSharePass.hlsl"

// both direct and indirect lighting) will hand up in the "regular" lightmap->LIGHTMAP_ON.
#define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitMetaPass.hlsl"
#include "../Lit/LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_VELOCITY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitVelocityPass.hlsl"
#include "../Lit/LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#define SHADERPASS SHADERPASS_SHADOWS
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitDepthPass.hlsl"
#include "../Lit/LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitDepthPass.hlsl"
#include "../Lit/LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_DISTORTION
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitDistortionPass.hlsl"
#include "../Lit/LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include
#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include

15
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLitTessellation.shader


#pragma target 5.0
#pragma only_renderers d3d11 ps4 // TEMP: until we go further in dev
// #pragma enable_d3d11_debug_symbols
#pragma shader_feature _ALPHATEST_ON
#pragma shader_feature _DISTORTION_ON

#include "../../../ShaderLibrary/Wind.hlsl"
#include "../../../ShaderLibrary/tessellation.hlsl"
#include "../../ShaderConfig.cs.hlsl"
#include "../../ShaderVariables.hlsl"
#include "../../ShaderPass/FragInputs.hlsl"
#include "../../ShaderPass/ShaderPass.cs.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitSharePass.hlsl"
#include "../Lit/LitData.hlsl"

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitSharePass.hlsl"

#undef TESSELLATION_ON
#define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitMetaPass.hlsl"
#include "../Lit/LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_VELOCITY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitVelocityPass.hlsl"
#include "../Lit/LitData.hlsl"

#pragma hull Hull
#pragma domain Domain
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#define SHADERPASS SHADERPASS_SHADOWS
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitDepthPass.hlsl"
#include "../Lit/LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitDepthPass.hlsl"
#include "../Lit/LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_DISTORTION
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "../Lit/ShaderPass/LitDistortionPass.hlsl"
#include "../Lit/LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include
#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include

2
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.cs


var cmd = CommandBufferPool.Get();
cmd.name = "Init PreFGD";
cmd.Blit(null, new RenderTargetIdentifier(m_PreIntegratedFGD), m_InitPreFGD, 0);
Utilities.DrawFullScreen(cmd, m_InitPreFGD, new RenderTargetIdentifier(m_PreIntegratedFGD));
renderContext.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
m_isInit = true;

14
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader


#include "../../../ShaderLibrary/common.hlsl"
#include "../../../ShaderLibrary/Wind.hlsl"
#include "../../ShaderConfig.cs.hlsl"
#include "../../ShaderVariables.hlsl"
//-------------------------------------------------------------------------------------
// variable declaration

HLSLPROGRAM
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitSharePass.hlsl"
#include "LitData.hlsl"

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitSharePass.hlsl"

// both direct and indirect lighting) will hand up in the "regular" lightmap->LIGHTMAP_ON.
#define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitMetaPass.hlsl"
#include "LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#define SHADERPASS SHADERPASS_SHADOWS
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitDepthPass.hlsl"
#include "LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitDepthPass.hlsl"
#include "LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_VELOCITY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitVelocityPass.hlsl"
#include "LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_DISTORTION
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitDistortionPass.hlsl"
#include "LitData.hlsl"

HLSLPROGRAM
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include
#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include

13
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTessellation.shader


#include "../../../ShaderLibrary/Wind.hlsl"
#include "../../../ShaderLibrary/tessellation.hlsl"
#include "../../ShaderConfig.cs.hlsl"
#include "../../ShaderVariables.hlsl"
#include "../../ShaderPass/FragInputs.hlsl"
#include "../../ShaderPass/ShaderPass.cs.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitSharePass.hlsl"
#include "LitData.hlsl"

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_GBUFFER
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitSharePass.hlsl"

#undef TESSELLATION_ON
#define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitMetaPass.hlsl"
#include "LitData.hlsl"

#pragma hull Hull
#pragma domain Domain
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#define SHADERPASS SHADERPASS_SHADOWS
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitDepthPass.hlsl"
#include "LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitDepthPass.hlsl"
#include "LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_VELOCITY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitVelocityPass.hlsl"
#include "LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_DISTORTION
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/LitDistortionPass.hlsl"
#include "LitData.hlsl"

#pragma domain Domain
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include
#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS

#define DEBUG_DISPLAY
#define SHADERPASS SHADERPASS_FORWARD
#include "../../ShaderVariables.hlsl"
#include "../../Debug/DebugDisplay.hlsl"
#include "../../Lighting/Forward.hlsl"
// TEMP until pragma work in include

10
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Resources/CombineSubsurfaceScattering.shader


float _WorldScales[SSS_N_PROFILES]; // Size of the world unit in meters
#ifdef SSS_MODEL_DISNEY
float4x4 _ViewMatrix, _ProjMatrix; // TEMP: make these global
float _FilterKernelsNearField[SSS_N_PROFILES][SSS_N_SAMPLES_NEAR_FIELD][2]; // 0 = radius, 1 = reciprocal of the PDF
float _FilterKernelsFarField[SSS_N_PROFILES][SSS_N_SAMPLES_FAR_FIELD][2]; // 0 = radius, 1 = reciprocal of the PDF
#else

/* 'vec' is given relative to the tangent frame. */ \
float3 relPosVS = vec.x * tangentX + vec.y * tangentY; \
float3 positionVS = centerPosVS + relPosVS; \
float4 positionCS = mul(_ProjMatrix, float4(positionVS, 1)); \
float2 positionSS = positionCS.xy * (rcp(positionCS.w) * 0.5) + 0.5; \
float4 positionCS = mul(projMatrix, float4(positionVS, 1)); \
float2 positionSS = ComputeScreenSpacePosition(positionCS); \
\
position = positionSS * _ScreenSize.xy; \
irradiance = LOAD_TEXTURE2D(_IrradianceSource, position).rgb; \

const bool useTangentPlane = SSS_USE_TANGENT_PLANE != 0;
float4x4 viewMatrix, projMatrix;
GetLeftHandedViewSpaceMatrices(viewMatrix, projMatrix);
float3 normalVS = mul((float3x3)_ViewMatrix, bsdfData.normalWS);
float3 normalVS = mul((float3x3)viewMatrix, bsdfData.normalWS);
float3 tangentX = GetLocalFrame(normalVS)[0] * unitsPerMm;
float3 tangentY = GetLocalFrame(normalVS)[1] * unitsPerMm;

18
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Resources/PreIntegratedFGD.shader


#include "../../../../ShaderLibrary/ImageBasedLighting.hlsl"
#include "../../../ShaderVariables.hlsl"
float3 vertex : POSITION;
float2 texcoord : TEXCOORD0;
uint vertexID : SV_VertexID;
float4 vertex : SV_POSITION;
float2 texcoord : TEXCOORD0;
float4 positionCS : SV_POSITION;
float2 texCoord : TEXCOORD0;
output.vertex = TransformWorldToHClip(input.vertex);
output.texcoord = input.texcoord.xy;
output.positionCS = GetFullScreenTriangleVertexPosition(input.vertexID);
output.texCoord = GetFullScreenTriangleTexCoord(input.vertexID);
return output;
}

float NdotV = input.texcoord.x;
float perceptualRoughness = input.texcoord.y;
float NdotV = input.texCoord.x;
float perceptualRoughness = input.texCoord.y;
float3 V = float3(sqrt(1 - NdotV * NdotV), 0, NdotV);
float3 N = float3(0.0, 0.0, 1.0);

1
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Unlit/Unlit.shader


#pragma target 4.5
#pragma only_renderers d3d11 ps4 metal // TEMP: until we go further in dev
// #pragma enable_d3d11_debug_symbols
//-------------------------------------------------------------------------------------
// Variant

1
Assets/ScriptableRenderPipeline/HDRenderPipeline/SceneSettings/Resources/DrawSssProfile.shader


//-------------------------------------------------------------------------------------
#include "../../../ShaderLibrary/Common.hlsl"
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "../../ShaderVariables.hlsl"
#ifdef SSS_MODEL_BASIC
#include "../../Material/Lit/SubsurfaceScatteringProfile.cs.hlsl"

1
Assets/ScriptableRenderPipeline/HDRenderPipeline/SceneSettings/Resources/DrawTransmittanceGraph.shader


#include "../../../ShaderLibrary/CommonMaterial.hlsl"
#include "../../../ShaderLibrary/Common.hlsl"
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "../../ShaderVariables.hlsl"
//-------------------------------------------------------------------------------------

3
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPass.cs


DepthOnly,
Velocity,
Distortion,
LightTransport
LightTransport,
Shadows
}
}

1
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPass.cs.hlsl


#define SHADERPASS_VELOCITY (4)
#define SHADERPASS_DISTORTION (5)
#define SHADERPASS_LIGHT_TRANSPORT (6)
#define SHADERPASS_SHADOWS (7)
#endif

2
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPassDepthOnly.hlsl


#if SHADERPASS != SHADERPASS_DEPTH_ONLY
#if (SHADERPASS != SHADERPASS_DEPTH_ONLY && SHADERPASS != SHADERPASS_SHADOWS)
#error SHADERPASS_is_not_correctly_define
#endif

338
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariables.hlsl


// As I haven't change the variables name yet, I simply don't define anything, and I put the transform function at the end of the file outside the guard header.
// This need to be fixed.
#define UNITY_MATRIX_M unity_ObjectToWorld
#if defined (DIRECTIONAL_COOKIE) || defined (DIRECTIONAL)
#define USING_DIRECTIONAL_LIGHT
#endif
// These are updated per eye in VR
#define UNITY_MATRIX_V unity_MatrixV
#define UNITY_MATRIX_P glstate_matrix_projection
#define UNITY_MATRIX_VP unity_MatrixVP
#if defined(UNITY_SINGLE_PASS_STEREO) || defined(UNITY_STEREO_INSTANCING_ENABLED) || defined(UNITY_STEREO_MULTIVIEW_ENABLED)
#define USING_STEREO_MATRICES
#endif
#ifdef UNITY_SINGLE_PASS_STEREO
#define UNITY_MATRIX_MVP mul(unity_MatrixVP, unity_ObjectToWorld)
#else
#define UNITY_MATRIX_MVP glstate_matrix_mvp
#if defined(USING_STEREO_MATRICES)
#define glstate_matrix_projection unity_StereoMatrixP[unity_StereoEyeIndex]
#define unity_MatrixV unity_StereoMatrixV[unity_StereoEyeIndex]
#define unity_MatrixInvV unity_StereoMatrixInvV[unity_StereoEyeIndex]
#define unity_MatrixVP unity_StereoMatrixVP[unity_StereoEyeIndex]
#define unity_CameraProjection unity_StereoCameraProjection[unity_StereoEyeIndex]
#define unity_CameraInvProjection unity_StereoCameraInvProjection[unity_StereoEyeIndex]
#define unity_WorldToCamera unity_StereoWorldToCamera[unity_StereoEyeIndex]
#define unity_CameraToWorld unity_StereoCameraToWorld[unity_StereoEyeIndex]
#define _WorldSpaceCameraPos unity_StereoWorldSpaceCameraPos[unity_StereoEyeIndex]
// These use the camera center position in VR
#define UNITY_MATRIX_MV glstate_matrix_modelview0
#define UNITY_MATRIX_T_MV glstate_matrix_transpose_modelview0
#define UNITY_MATRIX_IT_MV glstate_matrix_invtrans_modelview0
#define UNITY_LIGHTMODEL_AMBIENT (glstate_lightmodel_ambient * 2)
// Time (t = time since current level load) values from Unity
float4 _Time; // (t/20, t, t*2, t*3)
float4 _SinTime; // sin(t/8), sin(t/4), sin(t/2), sin(t)
float4 _CosTime; // cos(t/8), cos(t/4), cos(t/2), cos(t)
float4 unity_DeltaTime; // dt, 1/dt, smoothdt, 1/smoothdt
// Time (t = time since current level load) values from Unity
float4 _Time; // (t/20, t, t*2, t*3)
float4 _SinTime; // sin(t/8), sin(t/4), sin(t/2), sin(t)
float4 _CosTime; // cos(t/8), cos(t/4), cos(t/2), cos(t)
float4 unity_DeltaTime; // dt, 1/dt, smoothdt, 1/smoothdt
float3 _WorldSpaceCameraPos;
float3 _WorldSpaceCameraPos;
// x = 1 or -1 (-1 if projection is flipped)
// y = near plane
// z = far plane
// w = 1/far plane
float4 _ProjectionParams;
// x = 1 or -1 (-1 if projection is flipped)
// y = near plane
// z = far plane
// w = 1/far plane
float4 _ProjectionParams;
// x = width
// y = height
// z = 1 + 1.0/width
// w = 1 + 1.0/height
float4 _ScreenParams;
// x = width
// y = height
// z = 1 + 1.0/width
// w = 1 + 1.0/height
float4 _ScreenParams;
// Values used to linearize the Z buffer (http://www.humus.name/temp/Linearize%20depth.txt)
// x = 1-far/near
// y = far/near
// z = x/far
// w = y/far
float4 _ZBufferParams;
// Values used to linearize the Z buffer (http://www.humus.name/temp/Linearize%20depth.txt)
// x = 1-far/near
// y = far/near
// z = x/far
// w = y/far
// or in case of a reversed depth buffer (UNITY_REVERSED_Z is 1)
// x = -1+far/near
// y = 1
// z = x/far
// w = 1/far
float4 _ZBufferParams;
// x = orthographic camera's width
// y = orthographic camera's height
// z = unused
// w = 1.0 if camera is ortho, 0.0 if perspective
float4 unity_OrthoParams;
// x = orthographic camera's width
// y = orthographic camera's height
// z = unused
// w = 1.0 if camera is ortho, 0.0 if perspective
float4 unity_OrthoParams;
float4 unity_CameraWorldClipPlanes[6];
float4 unity_CameraWorldClipPlanes[6];
// Projection matrices of the camera. Note that this might be different from projection matrix
// that is set right now, e.g. while rendering shadows the matrices below are still the projection
// of original camera.
float4x4 unity_CameraProjection;
float4x4 unity_CameraInvProjection;
float4x4 unity_WorldToCamera;
float4x4 unity_CameraToWorld;
// Projection matrices of the camera. Note that this might be different from projection matrix
// that is set right now, e.g. while rendering shadows the matrices below are still the projection
// of original camera.
float4x4 unity_CameraProjection;
float4x4 unity_CameraInvProjection;
float4x4 unity_WorldToCamera;
float4x4 unity_CameraToWorld;
#endif
CBUFFER_END

#if defined(USING_STEREO_MATRICES)
CBUFFER_START(UnityStereoGlobals)
float4x4 unity_StereoMatrixP[2];
float4x4 unity_StereoMatrixV[2];
float4x4 unity_StereoMatrixInvV[2];
float4x4 unity_StereoMatrixVP[2];
float4x4 unity_StereoMatrixP[2];
float4x4 unity_StereoMatrixV[2];
float4x4 unity_StereoMatrixInvV[2];
float4x4 unity_StereoMatrixVP[2];
float4x4 unity_StereoCameraProjection[2];
float4x4 unity_StereoCameraInvProjection[2];
float4x4 unity_StereoWorldToCamera[2];
float4x4 unity_StereoCameraToWorld[2];
float4x4 unity_StereoCameraProjection[2];
float4x4 unity_StereoCameraInvProjection[2];
float4x4 unity_StereoWorldToCamera[2];
float4x4 unity_StereoCameraToWorld[2];
float3 unity_StereoWorldSpaceCameraPos[2];
float4 unity_StereoScaleOffset[2];
float3 unity_StereoWorldSpaceCameraPos[2];
float4 unity_StereoScaleOffset[2];
#endif
#ifdef UNITY_SUPPORT_MULTIVIEW
#define unity_StereoEyeIndex UNITY_VIEWID
UNITY_DECLARE_MULTIVIEW(2);
#else
CBUFFER_START(UnityStereoEyeIndex)
int unity_StereoEyeIndex;
#if defined(USING_STEREO_MATRICES) && defined(UNITY_STEREO_MULTIVIEW_ENABLED)
CBUFFER_START(UnityStereoEyeIndices)
float4 unity_StereoEyeIndices[2];
#if defined(UNITY_STEREO_MULTIVIEW_ENABLED) && defined(SHADER_STAGE_VERTEX)
#define unity_StereoEyeIndex UNITY_VIEWID
UNITY_DECLARE_MULTIVIEW(2);
#elif defined(UNITY_STEREO_INSTANCING_ENABLED) || defined(UNITY_STEREO_MULTIVIEW_ENABLED)
static uint unity_StereoEyeIndex;
#elif defined(UNITY_SINGLE_PASS_STEREO)
CBUFFER_START(UnityStereoEyeIndex)
int unity_StereoEyeIndex;
CBUFFER_END
float4x4 glstate_matrix_transpose_modelview0;
float4x4 glstate_matrix_transpose_modelview0;
float4 glstate_lightmodel_ambient;
float4 unity_AmbientSky;
float4 unity_AmbientEquator;
float4 unity_AmbientGround;
float4 unity_IndirectSpecColor;
float4 glstate_lightmodel_ambient;
float4 unity_AmbientSky;
float4 unity_AmbientEquator;
float4 unity_AmbientGround;
float4 unity_IndirectSpecColor;
float4x4 glstate_matrix_projection;
float4x4 unity_MatrixV;
float4x4 unity_MatrixInvV;
float4x4 unity_MatrixVP;
int unity_StereoEyeIndex;
float4x4 glstate_matrix_projection;
float4x4 unity_MatrixV;
float4x4 unity_MatrixInvV;
float4x4 unity_MatrixVP;
float4 unity_StereoScaleOffset;
int unity_StereoEyeIndex;
float4 unity_ShadowColor;
float4 unity_ShadowColor;
// ----------------------------------------------------------------------------
TEXTURE2D_FLOAT(_MainDepthTexture);
SAMPLER2D(sampler_MainDepthTexture);

// ----------------------------------------------------------------------------
CBUFFER_START(UnityPerPass)
float4 _ScreenSize;
float4x4 _ViewProjMatrix; // Looks like using UNITY_MATRIX_VP in pixel shader doesn't work ??? need to setup my own...
float4x4 _ViewProjMatrix;
float4x4 _ViewMatrix;
float4x4 _ProjMatrix;
float4x4 _InvViewMatrix;
float4 _ScreenSize;
float4x4 GetWorldToViewMatrix()
{
return UNITY_MATRIX_V;
}
float4x4 GetObjectToWorldMatrix()
{
return unity_ObjectToWorld;
}
float4x4 GetWorldToObjectMatrix()
{
return unity_WorldToObject;
}
// Transform to homogenous clip space
float4x4 GetWorldToHClipMatrix()
{
return UNITY_MATRIX_VP;
}
float GetOddNegativeScale()
{
return unity_WorldTransformParams.w;
}
float3 TransformWorldToView(float3 positionWS)
{
return mul(GetWorldToViewMatrix(), float4(positionWS, 1.0)).xyz;
}
float3 TransformObjectToWorld(float3 positionOS)
{
return mul(GetObjectToWorldMatrix(), float4(positionOS, 1.0)).xyz;
}
float3 TransformWorldToObject(float3 positionWS)
{
return mul(GetWorldToObjectMatrix(), float4(positionWS, 1.0)).xyz;
}
float3 TransformObjectToWorldDir(float3 dirOS)
{
// Normalize to support uniform scaling
return normalize(mul((float3x3)GetObjectToWorldMatrix(), dirOS));
}
float3 TransformWorldToObjectDir(float3 dirWS)
{
// Normalize to support uniform scaling
return normalize(mul((float3x3)GetWorldToObjectMatrix(), dirWS));
}
// Transforms normal from object to world space
float3 TransformObjectToWorldNormal(float3 normalOS)
{
#ifdef UNITY_ASSUME_UNIFORM_SCALING
return UnityObjectToWorldDir(normalOS);
#ifdef USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "ShaderVariablesMatrixDefsLegacyUnity.hlsl"
// Normal need to be multiply by inverse transpose
// mul(IT_M, norm) => mul(norm, I_M) => {dot(norm, I_M.col0), dot(norm, I_M.col1), dot(norm, I_M.col2)}
return normalize(mul(normalOS, (float3x3)GetWorldToObjectMatrix()));
#include "ShaderVariablesMatrixDefsHDCamera.hlsl"
}
// Tranforms position from world space to homogenous space
float4 TransformWorldToHClip(float3 positionWS)
{
return mul(GetWorldToHClipMatrix(), float4(positionWS, 1.0));
}
#include "ShaderVariablesFunctions.hlsl"
float3 GetCurrentCameraPosition()
{
#if defined(SHADERPASS) && (SHADERPASS != SHADERPASS_DEPTH_ONLY)
return _WorldSpaceCameraPos;
#else
// TEMP: this is rather expensive. Then again, we need '_WorldSpaceCameraPos'
// to represent the position of the primary (scene view) camera in order to
// have identical tessellation levels for both the scene view and shadow views.
// Otherwise, depth comparisons become meaningless!
float4x4 trViewMat = transpose(GetWorldToViewMatrix());
float3 rotCamPos = trViewMat[3].xyz;
return mul((float3x3)trViewMat, -rotCamPos);
#endif
}
// Returns the forward direction of the current camera in the world space.
float3 GetCameraForwardDir()
{
float4x4 viewMat = GetWorldToViewMatrix();
return -viewMat[2].xyz;
}
// Returns 'true' if the current camera performs a perspective projection.
bool IsPerspectiveCamera()
{
#if defined(SHADERPASS) && (SHADERPASS != SHADERPASS_DEPTH_ONLY)
return (unity_OrthoParams.w == 0);
#else
// TODO: set 'unity_OrthoParams' during the shadow pass.
return (GetWorldToHClipMatrix()[3].x != 0 ||
GetWorldToHClipMatrix()[3].y != 0 ||
GetWorldToHClipMatrix()[3].z != 0 ||
GetWorldToHClipMatrix()[3].w != 1);
#endif
}
// Computes the world space view direction (pointing towards the camera).
float3 GetWorldSpaceNormalizeViewDir(float3 positionWS)
{
if (IsPerspectiveCamera())
{
// Perspective
float3 V = GetCurrentCameraPosition() - positionWS;
return normalize(V);
}
else
{
// Orthographic
return -GetCameraForwardDir();
}
}
float3x3 CreateWorldToTangent(float3 normal, float3 tangent, float flipSign)
{
// For odd-negative scale transforms we need to flip the sign
float sgn = flipSign * GetOddNegativeScale();
float3 bitangent = cross(normal, tangent) * sgn;
return float3x3(tangent, bitangent, normal);
}
float3 TransformTangentToWorld(float3 dirTS, float3x3 worldToTangent)
{
// Use transpose transformation to go from tangent to world as the matrix is orthogonal
return mul(dirTS, worldToTangent);
}
float3 TransformWorldToTangent(float3 dirWS, float3x3 worldToTangent)
{
return mul(worldToTangent, dirWS);
}
float3 TransformTangentToObject(float3 dirTS, float3x3 worldToTangent)
{
// Use transpose transformation to go from tangent to world as the matrix is orthogonal
float3 normalWS = mul(dirTS, worldToTangent);
return mul((float3x3)unity_WorldToObject, normalWS);
}
float3 TransformObjectToTangent(float3 dirOS, float3x3 worldToTangent)
{
return mul(worldToTangent, TransformObjectToWorldDir(dirOS));
}
#endif // UNITY_SHADER_VARIABLES_INCLUDED

2
Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/BlitCubemap.shader


v2f o;
o.vertex = GetFullScreenTriangleVertexPosition(v.vertexID);
float2 uv = GetFullScreenTriangleTexcoord(v.vertexID) * 2.0 - 1.0;
float2 uv = GetFullScreenTriangleTexCoord(v.vertexID) * 2.0 - 1.0;
int idx = (int)_faceIndex;
float3 transformU = faceU[idx];

6
Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/GGXConvolve.shader


ZWrite Off
ZTest Always
Blend One Zero
Cull Off
HLSLPROGRAM
#pragma target 4.5

Varyings Vert(Attributes input)
{
Varyings output;
output.positionCS = float4(input.positionCS.xy, UNITY_RAW_FAR_CLIP_VALUE, 1.0);
// Unity renders upside down, so the clip space coordinates have to be flipped.
output.positionCS = float4(input.positionCS.x, -input.positionCS.y, UNITY_RAW_FAR_CLIP_VALUE, 1.0);
output.eyeVector = input.eyeVector;
return output;
}

float _LastLevel;
float _InvOmegaP;
half4 Frag(Varyings input) : SV_Target
float4 Frag(Varyings input) : SV_Target
{
// Vector interpolation is not magnitude-preserving.
float3 N = normalize(input.eyeVector);

3
Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/HDRISky/Resources/SkyHDRI.shader


{
// TODO: implement SV_vertexID full screen quad
Varyings output;
output.positionCS = float4(input.positionCS.xy, UNITY_RAW_FAR_CLIP_VALUE, 1.0);
// Unity renders upside down, so the clip space coordinates have to be flipped.
output.positionCS = float4(input.positionCS.x, -input.positionCS.y, UNITY_RAW_FAR_CLIP_VALUE, 1.0);
output.eyeVector = input.eyeVector;
return output;

2
Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/ProceduralSky/ProceduralSkyRenderer.cs


// Since we use the material for rendering the sky both into the cubemap, and
// during the fullscreen pass, setting the 'PERFORM_SKY_OCCLUSION_TEST' keyword has no effect.
properties.SetFloat("_DisableSkyOcclusionTest", renderForCubemap ? 1.0f : 0.0f);
// We flip the screens-space Y axis in case we follow the D3D convention.
properties.SetFloat("_FlipY", renderForCubemap ? 1.0f : 0.0f);
// We do not render the height fog into the sky IBL cubemap.
properties.SetFloat("_HeightRayleighDensity", renderForCubemap ? -0.0f : -param.heightRayleighDensity / 100000f);
properties.SetFloat("_HeightMieDensity", renderForCubemap ? -0.0f : -param.heightMieDensity / 100000f);

7
Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/ProceduralSky/Resources/SkyProcedural.shader


float _DisableSkyOcclusionTest;
float _FlipY;
#define IS_RENDERING_SKY
#include "AtmosphericScattering.hlsl"

{
// TODO: implement SV_vertexID full screen quad
Varyings output;
output.positionCS = float4(input.positionCS.xy, UNITY_RAW_FAR_CLIP_VALUE, 1.0);
// Unity renders upside down, so the clip space coordinates have to be flipped.
output.positionCS = float4(input.positionCS.x, -input.positionCS.y, UNITY_RAW_FAR_CLIP_VALUE, 1.0);
output.eyeVector = input.eyeVector;
return output;

}
// Since we only need the world space position, so we don't pass the view-projection matrix.
UpdatePositionInput(depthRaw, _InvViewProjMatrix, k_identity4x4, posInput, _FlipY != 0);
UpdatePositionInput(depthRaw, _InvViewProjMatrix, k_identity4x4, posInput);
float4 c1, c2, c3;
VolundTransferScatter(posInput.positionWS, c1, c2, c3);

19
Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/SkyManager.cs


public Texture skyReflection { get { return m_SkyboxGGXCubemapRT; } }
protected Mesh BuildSkyMesh(Vector3 cameraPosition, Matrix4x4 cameraInvViewProjectionMatrix, bool forceUVBottom)
protected Mesh BuildSkyMesh(Vector3 cameraPosition, Matrix4x4 cameraInvViewProjectionMatrix)
Vector4 vertData0 = new Vector4(-1.0f, -1.0f, 1.0f, 1.0f);
Vector4 vertData1 = new Vector4(1.0f, -1.0f, 1.0f, 1.0f);
Vector4 vertData2 = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
Vector4 vertData3 = new Vector4(-1.0f, 1.0f, 1.0f, 1.0f);
// These are clip space coords.
Vector4 vertData0 = new Vector4(-1.0f, -1.0f, 0.0f, 1.0f);
Vector4 vertData1 = new Vector4( 1.0f, -1.0f, 0.0f, 1.0f);
Vector4 vertData2 = new Vector4( 1.0f, 1.0f, 0.0f, 1.0f);
Vector4 vertData3 = new Vector4(-1.0f, 1.0f, 0.0f, 1.0f);
Vector3[] vertData = new Vector3[4];
vertData[0] = new Vector3(vertData0.x, vertData0.y, vertData0.z);

Vector4 direction2 = (posWorldSpace2 / posWorldSpace2.w - cameraPos);
Vector4 direction3 = (posWorldSpace3 / posWorldSpace3.w - cameraPos);
if (SystemInfo.graphicsUVStartsAtTop && !forceUVBottom)
if (SystemInfo.graphicsUVStartsAtTop)
{
eyeVectorData[3] = new Vector3(direction0.x, direction0.y, direction0.z).normalized;
eyeVectorData[2] = new Vector3(direction1.x, direction1.y, direction1.z).normalized;

m_faceCameraViewProjectionMatrix[i] = Utilities.GetViewProjectionMatrix(lookAt, cubeProj);
m_faceCameraInvViewProjectionMatrix[i] = m_faceCameraViewProjectionMatrix[i].inverse;
m_CubemapFaceMesh[i] = BuildSkyMesh(Vector3.zero, m_faceCameraInvViewProjectionMatrix[i], true);
m_CubemapFaceMesh[i] = BuildSkyMesh(Vector3.zero, m_faceCameraInvViewProjectionMatrix[i]);
}
}
}

{
m_BuiltinParameters.renderContext = renderContext;
m_BuiltinParameters.sunLight = sunLight;
m_BuiltinParameters.invViewProjMatrix = camera.invViewProjectionMatrix;
m_BuiltinParameters.invViewProjMatrix = camera.viewProjMatrix.inverse;
m_BuiltinParameters.skyMesh = BuildSkyMesh(camera.camera.GetComponent<Transform>().position, m_BuiltinParameters.invViewProjMatrix, false);
m_BuiltinParameters.skyMesh = BuildSkyMesh(camera.camera.GetComponent<Transform>().position, m_BuiltinParameters.invViewProjMatrix);
m_BuiltinParameters.colorBuffer = colorBuffer;
m_BuiltinParameters.depthBuffer = depthBuffer;

13
Assets/ScriptableRenderPipeline/HDRenderPipeline/Utilities.cs


}
// Draws a full screen triangle as a faster alternative to drawing a full screen quad.
public static void DrawFullScreen(CommandBuffer commandBuffer, Material material, HDCamera camera,
public static void DrawFullScreen(CommandBuffer commandBuffer, Material material,
camera.SetupMaterial(material);
public static void DrawFullScreen(CommandBuffer commandBuffer, Material material, HDCamera camera,
public static void DrawFullScreen(CommandBuffer commandBuffer, Material material,
camera.SetupMaterial(material);
public static void DrawFullScreen(CommandBuffer commandBuffer, Material material, HDCamera camera,
public static void DrawFullScreen(CommandBuffer commandBuffer, Material material,
camera.SetupMaterial(material);
commandBuffer.SetRenderTarget(colorBuffers, depthStencilBuffer);
commandBuffer.DrawProcedural(Matrix4x4.identity, material, shaderPassID, MeshTopology.Triangles, 3, 1, properties);
}

public static void DrawFullScreen(CommandBuffer commandBuffer, Material material, HDCamera camera,
public static void DrawFullScreen(CommandBuffer commandBuffer, Material material,
RenderTargetIdentifier[] colorBuffers,
MaterialPropertyBlock properties = null, int shaderPassID = 0)
{

// no depth target ends up being bound.
DrawFullScreen(commandBuffer, material, camera, colorBuffers, colorBuffers[0], properties, shaderPassID);
DrawFullScreen(commandBuffer, material, colorBuffers, colorBuffers[0], properties, shaderPassID);
}
// Helper to help to display debug info on screen

36
Assets/ScriptableRenderPipeline/ShaderLibrary/Common.hlsl


posInput.positionWS = positionWS;
}
float4 ComputeClipSpacePosition(float2 positionSS, float depthRaw)
{
#if UNITY_UV_STARTS_AT_TOP
positionSS.y = 1.0 - positionSS.y;
#endif
return float4(positionSS * 2.0 - 1.0, depthRaw, 1.0);
}
float2 ComputeScreenSpacePosition(float4 positionCS)
{
float2 positionSS = positionCS.xy * (rcp(positionCS.w) * 0.5) + 0.5;
#if UNITY_UV_STARTS_AT_TOP
positionSS.y = 1.0 - positionSS.y;
#endif
return positionSS;
}
void UpdatePositionInput(float depthRaw, float4x4 invViewProjMatrix, float4x4 viewProjMatrix,
inout PositionInputs posInput, bool flipY = false)
void UpdatePositionInput(float depthRaw, float4x4 invViewProjMatrix, float4x4 viewProjMatrix, inout PositionInputs posInput)
float2 screenSpacePos;
screenSpacePos.x = posInput.positionSS.x;
screenSpacePos.y = flipY ? 1.0 - posInput.positionSS.y : posInput.positionSS.y;
float4 positionCS = float4(screenSpacePos * 2.0 - 1.0, depthRaw, 1.0);
float4 positionCS = ComputeClipSpacePosition(posInput.positionSS, depthRaw);
float4 hpositionWS = mul(invViewProjMatrix, positionCS);
posInput.positionWS = hpositionWS.xyz / hpositionWS.w;

// It may be necessary to flip the Y axis as the origin of the screen-space coordinate system
// of Direct3D is at the top left corner of the screen, with the Y axis pointing downwards.
float3 ComputeViewSpacePosition(float2 positionSS, float depthRaw, float4x4 invProjMatrix, bool flipY = false)
float3 ComputeViewSpacePosition(float2 positionSS, float depthRaw, float4x4 invProjMatrix)
float2 screenSpacePos;
screenSpacePos.x = positionSS.x;
screenSpacePos.y = flipY ? 1.0 - positionSS.y : positionSS.y;
float4 positionCS = float4(screenSpacePos * 2.0 - 1.0, depthRaw, 1.0);
float4 positionCS = ComputeClipSpacePosition(positionSS, depthRaw);
float4 positionVS = mul(invProjMatrix, positionCS);
// The view space uses a right-handed coordinate system.
positionVS.z = -positionVS.z;

// Generates a triangle in homogeneous clip space, s.t.
// v0 = (-1, -1, 1), v1 = (3, -1, 1), v2 = (-1, 3, 1).
float2 GetFullScreenTriangleTexcoord(uint vertexID)
float2 GetFullScreenTriangleTexCoord(uint vertexID)
{
#if UNITY_UV_STARTS_AT_TOP
return float2((vertexID << 1) & 2, 1.0 - (vertexID & 2));

171
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesFunctions.hlsl


#ifndef UNITY_SHADER_VARIABLES_FUNCTIONS_INCLUDED
#define UNITY_SHADER_VARIABLES_FUNCTIONS_INCLUDED
float4x4 GetWorldToViewMatrix()
{
return UNITY_MATRIX_V;
}
float4x4 GetObjectToWorldMatrix()
{
return UNITY_MATRIX_M;
}
float4x4 GetWorldToObjectMatrix()
{
return UNITY_MATRIX_I_M;
}
// Transform to homogenous clip space
float4x4 GetWorldToHClipMatrix()
{
return UNITY_MATRIX_VP;
}
float GetOddNegativeScale()
{
return unity_WorldTransformParams.w;
}
float3 TransformWorldToView(float3 positionWS)
{
return mul(GetWorldToViewMatrix(), float4(positionWS, 1.0)).xyz;
}
float3 TransformObjectToWorld(float3 positionOS)
{
return mul(GetObjectToWorldMatrix(), float4(positionOS, 1.0)).xyz;
}
float3 TransformWorldToObject(float3 positionWS)
{
return mul(GetWorldToObjectMatrix(), float4(positionWS, 1.0)).xyz;
}
float3 TransformObjectToWorldDir(float3 dirOS)
{
// Normalize to support uniform scaling
return normalize(mul((float3x3)GetObjectToWorldMatrix(), dirOS));
}
float3 TransformWorldToObjectDir(float3 dirWS)
{
// Normalize to support uniform scaling
return normalize(mul((float3x3)GetWorldToObjectMatrix(), dirWS));
}
// Transforms normal from object to world space
float3 TransformObjectToWorldNormal(float3 normalOS)
{
#ifdef UNITY_ASSUME_UNIFORM_SCALING
return UnityObjectToWorldDir(normalOS);
#else
// Normal need to be multiply by inverse transpose
// mul(IT_M, norm) => mul(norm, I_M) => {dot(norm, I_M.col0), dot(norm, I_M.col1), dot(norm, I_M.col2)}
return normalize(mul(normalOS, (float3x3)GetWorldToObjectMatrix()));
#endif
}
// Tranforms position from world space to homogenous space
float4 TransformWorldToHClip(float3 positionWS)
{
return mul(GetWorldToHClipMatrix(), float4(positionWS, 1.0));
}
float3 GetCurrentCameraPosition()
{
#if defined(SHADERPASS) && (SHADERPASS != SHADERPASS_SHADOWS)
return _WorldSpaceCameraPos;
#else
// TEMP: this is rather expensive. Then again, we need '_WorldSpaceCameraPos'
// to represent the position of the primary (scene view) camera in order to
// have identical tessellation levels for both the scene view and shadow views.
// Otherwise, depth comparisons become meaningless!
float4x4 trViewMat = transpose(GetWorldToViewMatrix());
float3 rotCamPos = trViewMat[3].xyz;
return mul((float3x3)trViewMat, -rotCamPos);
#endif
}
// Returns the forward direction of the current camera in the world space.
float3 GetCameraForwardDir()
{
float4x4 viewMat = GetWorldToViewMatrix();
return -viewMat[2].xyz;
}
// Returns 'true' if the current camera performs a perspective projection.
bool IsPerspectiveCamera()
{
#if defined(SHADERPASS) && (SHADERPASS != SHADERPASS_SHADOWS)
return (unity_OrthoParams.w == 0);
#else
// TODO: set 'unity_OrthoParams' during the shadow pass.
return (GetWorldToHClipMatrix()[3].x != 0 ||
GetWorldToHClipMatrix()[3].y != 0 ||
GetWorldToHClipMatrix()[3].z != 0 ||
GetWorldToHClipMatrix()[3].w != 1);
#endif
}
// Computes the world space view direction (pointing towards the camera).
float3 GetWorldSpaceNormalizeViewDir(float3 positionWS)
{
if (IsPerspectiveCamera())
{
// Perspective
float3 V = GetCurrentCameraPosition() - positionWS;
return normalize(V);
}
else
{
// Orthographic
return -GetCameraForwardDir();
}
}
float3x3 CreateWorldToTangent(float3 normal, float3 tangent, float flipSign)
{
// For odd-negative scale transforms we need to flip the sign
float sgn = flipSign * GetOddNegativeScale();
float3 bitangent = cross(normal, tangent) * sgn;
return float3x3(tangent, bitangent, normal);
}
float3 TransformTangentToWorld(float3 dirTS, float3x3 worldToTangent)
{
// Use transpose transformation to go from tangent to world as the matrix is orthogonal
return mul(dirTS, worldToTangent);
}
float3 TransformWorldToTangent(float3 dirWS, float3x3 worldToTangent)
{
return mul(worldToTangent, dirWS);
}
float3 TransformTangentToObject(float3 dirTS, float3x3 worldToTangent)
{
// Use transpose transformation to go from tangent to world as the matrix is orthogonal
float3 normalWS = mul(dirTS, worldToTangent);
return mul((float3x3)GetWorldToObjectMatrix(), normalWS);
}
float3 TransformObjectToTangent(float3 dirOS, float3x3 worldToTangent)
{
return mul(worldToTangent, TransformObjectToWorldDir(dirOS));
}
// UNITY_MATRIX_V defines a right-handed view space with the Z axis pointing towards the viewer.
// This function reverses the direction of the Z axis (so that it points forward),
// making the view space coordinate system left-handed.
void GetLeftHandedViewSpaceMatrices(out float4x4 viewMatrix, out float4x4 projMatrix)
{
viewMatrix = UNITY_MATRIX_V;
viewMatrix._31_32_33_34 = -viewMatrix._31_32_33_34;
projMatrix = UNITY_MATRIX_P;
projMatrix._13_23_33_43 = -projMatrix._13_23_33_43;
}
#endif // UNITY_SHADER_VARIABLES_FUNCTIONS_INCLUDED

10
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesFunctions.hlsl.meta


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20
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsHDCamera.hlsl


#ifdef UNITY_SHADER_VARIABLES_MATRIX_DEFS_LEGACY_UNITY_INCLUDED
#error Mixing HDCamera and legacy Unity matrix definitions
#endif
#ifndef UNITY_SHADER_VARIABLES_MATRIX_DEFS_HDCAMERA_INCLUDED
#define UNITY_SHADER_VARIABLES_MATRIX_DEFS_HDCAMERA_INCLUDED
#define UNITY_MATRIX_M unity_ObjectToWorld
#define UNITY_MATRIX_I_M unity_WorldToObject
#define UNITY_MATRIX_V _ViewMatrix
#define UNITY_MATRIX_I_V _InvViewMatrix
#define UNITY_MATRIX_P _ProjMatrix
#define UNITY_MATRIX_I_P _InvProjMatrix
#define UNITY_MATRIX_VP _ViewProjMatrix
#define UNITY_MATRIX_MVP mul(UNITY_MATRIX_VP, UNITY_MATRIX_M)
#define UNITY_MATRIX_MV mul(UNITY_MATRIX_V, UNITY_MATRIX_M)
#define UNITY_MATRIX_T_MV transpose(UNITY_MATRIX_MV)
#define UNITY_MATRIX_IT_MV transpose(mul(UNITY_MATRIX_I_M, UNITY_MATRIX_I_V))
#endif // UNITY_SHADER_VARIABLES_MATRIX_DEFS_HDCAMERA_INCLUDED

10
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsHDCamera.hlsl.meta


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20
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsLegacyUnity.hlsl


#ifdef UNITY_SHADER_VARIABLES_MATRIX_DEFS_HDCAMERA_INCLUDED
#error Mixing HDCamera and legacy Unity matrix definitions
#endif
#ifndef UNITY_SHADER_VARIABLES_MATRIX_DEFS_LEGACY_UNITY_INCLUDED
#define UNITY_SHADER_VARIABLES_MATRIX_DEFS_LEGACY_UNITY_INCLUDED
#define UNITY_MATRIX_M unity_ObjectToWorld
#define UNITY_MATRIX_I_M unity_WorldToObject
#define UNITY_MATRIX_V unity_MatrixV
#define UNITY_MATRIX_I_V unity_MatrixInvV
#define UNITY_MATRIX_P glstate_matrix_projection
#define UNITY_MATRIX_I_P inverse_glstate_matrix_projection_is_not_defined
#define UNITY_MATRIX_VP unity_MatrixVP
#define UNITY_MATRIX_MVP mul(UNITY_MATRIX_VP, UNITY_MATRIX_M)
#define UNITY_MATRIX_MV mul(UNITY_MATRIX_V, UNITY_MATRIX_M)
#define UNITY_MATRIX_T_MV transpose(UNITY_MATRIX_MV)
#define UNITY_MATRIX_IT_MV transpose(mul(UNITY_MATRIX_I_M, UNITY_MATRIX_I_V))
#endif // UNITY_SHADER_VARIABLES_MATRIX_DEFS_LEGACY_UNITY_INCLUDED

10
Assets/ScriptableRenderPipeline/HDRenderPipeline/ShaderVariablesMatrixDefsLegacyUnity.hlsl.meta


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10
Assets/TestScenes/HDTest/HDRenderLoopTest.meta


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