GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Improve #1077 to use a single pixel shader with permutations

Browse Source
This commit is contained in:
Wojtek Figat
2023-05-07 11:01:30 +02:00
parent 10541ac743
commit 713cf0d4b2
3 changed files with 22 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

BIN
Content/Shaders/DebugDraw.flax (Stored with Git LFS)
View File

Binary file not shown.

8
Source/Engine/Debug/DebugDraw.cpp
View File

@@ -632,10 +632,10 @@ void DebugDrawService::Update()
desc.VS = shader->GetVS("VS"); desc.VS = shader->GetVS("VS");
// Default // Default
desc.PS = shader->GetPS("PSUnlit"); desc.PS = shader->GetPS("PS", 0);
desc.PrimitiveTopologyType = PrimitiveTopologyType::Line; desc.PrimitiveTopologyType = PrimitiveTopologyType::Line;
failed |= DebugDrawPsLinesDefault.Create(desc); failed |= DebugDrawPsLinesDefault.Create(desc);
desc.PS = shader->GetPS("PS"); desc.PS = shader->GetPS("PS", 1);
desc.PrimitiveTopologyType = PrimitiveTopologyType::Triangle; desc.PrimitiveTopologyType = PrimitiveTopologyType::Triangle;
failed |= DebugDrawPsTrianglesDefault.Create(desc); failed |= DebugDrawPsTrianglesDefault.Create(desc);
desc.Wireframe = true; desc.Wireframe = true;
@@ -643,10 +643,10 @@ void DebugDrawService::Update()
// Depth Test // Depth Test
desc.Wireframe = false; desc.Wireframe = false;
desc.PS = shader->GetPS("PS_DepthTestUnlit"); desc.PS = shader->GetPS("PS", 2);
desc.PrimitiveTopologyType = PrimitiveTopologyType::Line; desc.PrimitiveTopologyType = PrimitiveTopologyType::Line;
failed |= DebugDrawPsLinesDepthTest.Create(desc); failed |= DebugDrawPsLinesDepthTest.Create(desc);
desc.PS = shader->GetPS("PS_DepthTest"); desc.PS = shader->GetPS("PS", 3);
desc.PrimitiveTopologyType = PrimitiveTopologyType::Triangle; desc.PrimitiveTopologyType = PrimitiveTopologyType::Triangle;
failed |= DebugDrawPsTrianglesDepthTest.Create(desc); failed |= DebugDrawPsTrianglesDepthTest.Create(desc);
desc.Wireframe = true; desc.Wireframe = true;

50
Source/Shaders/DebugDraw.shader
View File

@@ -27,49 +27,31 @@ VS2PS VS(float3 Position : POSITION, float4 Color : COLOR)
return output; return output;
} }
void PerformDepthTest(float4 svPosition) META_PS(true, FEATURE_LEVEL_ES2)
META_PERMUTATION_2(USE_DEPTH_TEST=0,USE_FAKE_LIGHTING=0)
META_PERMUTATION_2(USE_DEPTH_TEST=0,USE_FAKE_LIGHTING=1)
META_PERMUTATION_2(USE_DEPTH_TEST=1,USE_FAKE_LIGHTING=0)
META_PERMUTATION_2(USE_DEPTH_TEST=1,USE_FAKE_LIGHTING=1)
float4 PS(VS2PS input) : SV_Target
{ {
#if USE_DEPTH_TEST
// Depth test manually if compositing editor primitives // Depth test manually if compositing editor primitives
FLATTEN FLATTEN
if (EnableDepthTest) if (EnableDepthTest)
{ {
float sceneDepthDeviceZ = SceneDepthTexture.Load(int3(svPosition.xy, 0)).r; float sceneDepthDeviceZ = SceneDepthTexture.Load(int3(input.Position.xy, 0)).r;
float interpolatedDeviceZ = svPosition.z; float interpolatedDeviceZ = input.Position.z;
clip(sceneDepthDeviceZ - interpolatedDeviceZ); clip(sceneDepthDeviceZ - interpolatedDeviceZ);
} }
} #endif
float4 PerformFakeLighting(float4 svPosition, float4 c) float4 color = input.Color;
{ #if USE_FAKE_LIGHTING
// Reconstruct view normal and calculate faked lighting // Reconstruct view normal and calculate faked lighting
float depth = svPosition.z * 10000; float depth = input.Position.z * 10000;
float3 n = normalize(float3(-ddx(depth), -ddy(depth), 1.0f)); float3 n = normalize(float3(-ddx(depth), -ddy(depth), 1.0f));
c.rgb *= saturate(abs(dot(n, float3(0, 1, 0))) + 0.5f); color.rgb *= saturate(abs(dot(n, float3(0, 1, 0))) + 0.5f);
return c; #endif
}
META_PS(true, FEATURE_LEVEL_ES2) return color;
float4 PS(VS2PS input) : SV_Target
{
return PerformFakeLighting(input.Position, input.Color);
}
META_PS(true, FEATURE_LEVEL_ES2)
float4 PSUnlit(VS2PS input) : SV_Target
{
return input.Color;
}
META_PS(true, FEATURE_LEVEL_ES2)
float4 PS_DepthTest(VS2PS input) : SV_Target
{
PerformDepthTest(input.Position);
return PerformFakeLighting(input.Position, input.Color);
}
META_PS(true, FEATURE_LEVEL_ES2)
float4 PS_DepthTestUnlit(VS2PS input) : SV_Target
{
PerformDepthTest(input.Position);
return input.Color;
} }