58 lines
1.5 KiB
Plaintext
58 lines
1.5 KiB
Plaintext
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#include "./Flax/Common.hlsl"
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META_CB_BEGIN(0, Data)
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float4x4 ViewProjection;
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float2 Padding;
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float ClipPosZBias;
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bool EnableDepthTest;
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META_CB_END
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struct VS2PS
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{
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float4 Position : SV_Position;
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float4 Color : TEXCOORD0;
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};
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Texture2D SceneDepthTexture : register(t0);
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META_VS(true, FEATURE_LEVEL_ES2)
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VS2PS VS(float3 Position : POSITION, float4 Color : COLOR)
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{
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VS2PS output;
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output.Position = mul(float4(Position, 1), ViewProjection);
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output.Position.z += ClipPosZBias;
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output.Color = Color;
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return output;
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}
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META_PS(true, FEATURE_LEVEL_ES2)
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META_PERMUTATION_2(USE_DEPTH_TEST=0,USE_FAKE_LIGHTING=0)
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META_PERMUTATION_2(USE_DEPTH_TEST=0,USE_FAKE_LIGHTING=1)
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META_PERMUTATION_2(USE_DEPTH_TEST=1,USE_FAKE_LIGHTING=0)
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META_PERMUTATION_2(USE_DEPTH_TEST=1,USE_FAKE_LIGHTING=1)
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float4 PS(VS2PS input) : SV_Target
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{
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#if USE_DEPTH_TEST
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// Depth test manually if compositing editor primitives
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FLATTEN
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if (EnableDepthTest)
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{
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float sceneDepthDeviceZ = SceneDepthTexture.Load(int3(input.Position.xy, 0)).r;
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float interpolatedDeviceZ = input.Position.z;
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clip(sceneDepthDeviceZ - interpolatedDeviceZ);
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}
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#endif
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float4 color = input.Color;
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#if USE_FAKE_LIGHTING
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// Reconstruct view normal and calculate faked lighting
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float depth = input.Position.z * 10000;
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float3 n = normalize(float3(-ddx(depth), -ddy(depth), 1.0f));
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color.rgb *= saturate(abs(dot(n, float3(0, 1, 0))) + 0.5f);
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#endif
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return color;
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}
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