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docs(editor): sync script assembly builder api docs

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This commit is contained in:
ssdfasd
2026-04-12 22:50:50 +08:00
parent a660fc489a
commit 89590242bd
24 changed files with 285 additions and 1813 deletions
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46
engine/assets/builtin/shaders/gaussian-splat-composite.shader
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@@ -1,46 +0,0 @@
Shader "Builtin Gaussian Splat Composite"
{
SubShader
{
Pass
{
Name "GaussianComposite"
Tags { "LightMode" = "GaussianComposite" }
Cull Off
ZWrite Off
ZTest Always
Blend One OneMinusSrcAlpha
HLSLPROGRAM
#pragma target 4.5
#pragma vertex MainVS
#pragma fragment MainPS
Texture2D GaussianSplatAccumulationTexture;
struct VSOutput
{
float4 position : SV_POSITION;
};
VSOutput MainVS(uint vertexId : SV_VertexID)
{
const float2 positions[3] = {
float2(-1.0f, -1.0f),
float2(-1.0f, 3.0f),
float2( 3.0f, -1.0f)
};
VSOutput output;
output.position = float4(positions[vertexId], 1.0f, 1.0f);
return output;
}
float4 MainPS(VSOutput input) : SV_TARGET
{
const int2 pixelCoord = int2(input.position.xy);
return GaussianSplatAccumulationTexture.Load(int3(pixelCoord, 0));
}
ENDHLSL
}
}
}

24
engine/assets/builtin/shaders/gaussian-splat-utilities.shader
View File

@@ -229,21 +229,21 @@ Shader "Builtin Gaussian Splat Utilities"
}
float3 CalcCovariance2D(
float3 localPosition,
float3 viewPosition,
float3 covariance3D0,
float3 covariance3D1,
float4x4 modelViewMatrix,
float4x4 viewMatrix,
float4x4 projectionMatrix,
float2 screenSize)
{
const float3 viewPosition = mul(modelViewMatrix, float4(localPosition, 1.0)).xyz;
if (abs(viewPosition.z) <= 1.0e-5)
{
return float3(0.3, 0.0, 0.3);
}
const float aspect = projectionMatrix[0][0] / projectionMatrix[1][1];
const float tanFovX = rcp(projectionMatrix[0][0]);
const float tanFovY = rcp(projectionMatrix[1][1]);
const float tanFovY = rcp(projectionMatrix[1][1] * aspect);
const float limitX = 1.3 * tanFovX;
const float limitY = 1.3 * tanFovY;
@@ -264,7 +264,7 @@ Shader "Builtin Gaussian Splat Utilities"
0.0,
0.0,
0.0);
const float3x3 worldToView = (float3x3)modelViewMatrix;
const float3x3 worldToView = (float3x3)viewMatrix;
const float3x3 transform = mul(jacobian, worldToView);
const float3x3 covariance3D = float3x3(
covariance3D0.x, covariance3D0.y, covariance3D0.z,
@@ -284,7 +284,7 @@ Shader "Builtin Gaussian Splat Utilities"
const float offDiagonal = covariance2D.y;
const float mid = 0.5 * (diagonal0 + diagonal1);
const float radius = length(float2((diagonal0 - diagonal1) * 0.5, offDiagonal));
const float lambda0 = mid + radius;
const float lambda0 = max(mid + radius, 0.1);
const float lambda1 = max(mid - radius, 0.1);
float2 basis = normalize(float2(offDiagonal, lambda0 - diagonal0));
@@ -425,22 +425,22 @@ Shader "Builtin Gaussian Splat Utilities"
GaussianSplatSortDistances[index] = FloatToSortableUint(viewCenter.z);
const float4 clipCenter = mul(gProjectionMatrix, float4(viewCenter, 1.0));
const float nearClip = max(gCameraWorldPos.w, 1.0e-4);
if (clipCenter.w > 0.0 && viewCenter.z > nearClip)
if (clipCenter.w > 0.0)
{
const float4x4 modelViewMatrix = mul(gViewMatrix, gModelMatrix);
const float3x3 modelLinear = (float3x3)gModelMatrix;
const float3x3 rotationScaleMatrix =
CalcMatrixFromRotationScale(otherData.rotation, otherData.scaleReserved.xyz);
const float3x3 worldRotationScale = mul(modelLinear, rotationScaleMatrix);
float3 covariance3D0 = 0.0;
float3 covariance3D1 = 0.0;
CalcCovariance3D(rotationScaleMatrix, covariance3D0, covariance3D1);
CalcCovariance3D(worldRotationScale, covariance3D0, covariance3D1);
const float3 covariance2D = CalcCovariance2D(
localCenter,
viewCenter,
covariance3D0,
covariance3D1,
modelViewMatrix,
gViewMatrix,
gProjectionMatrix,
gScreenParams.xy);

13
engine/assets/builtin/shaders/gaussian-splat.shader
View File

@@ -4,7 +4,6 @@ Shader "Builtin Gaussian Splat"
{
_PointScale ("Point Scale", Float) = 1.0
_OpacityScale ("Opacity Scale", Float) = 1.0
_DebugViewMode ("Debug View Mode", Float) = 0.0
}
HLSLINCLUDE
cbuffer PerObjectConstants
@@ -24,7 +23,6 @@ Shader "Builtin Gaussian Splat"
{
float4 gPointScaleParams;
float4 gOpacityScaleParams;
float4 gDebugViewModeParams;
};
struct GaussianSplatViewData
@@ -93,14 +91,8 @@ Shader "Builtin Gaussian Splat"
discard;
}
if (gDebugViewModeParams.x >= 0.5)
{
return float4(alpha, alpha, alpha, alpha);
}
return float4(input.colorOpacity.rgb * alpha, alpha);
return float4(input.colorOpacity.rgb, alpha);
}
ENDHLSL
SubShader
@@ -113,13 +105,12 @@ Shader "Builtin Gaussian Splat"
Cull Off
ZWrite Off
ZTest LEqual
Blend OneMinusDstAlpha One
Blend SrcAlpha OneMinusSrcAlpha
HLSLPROGRAM
#pragma target 4.5
#pragma vertex MainVS
#pragma fragment MainPS
ENDHLSL
}
}
}