Added slang shaders for pipeline samples
This commit is contained in:
Sascha Willems
parent
b81e9d9654
commit
d8c8630654
4 changed files with 299 additions and 0 deletions
62
shaders/slang/pipelines/phong.slang
Normal file
62
shaders/slang/pipelines/phong.slang
Normal file
|
|
@ -0,0 +1,62 @@
|
|||
/* Copyright (c) 2025, Sascha Willems
|
||||
*
|
||||
* SPDX-License-Identifier: MIT
|
||||
*
|
||||
*/
|
||||
|
||||
struct VSInput
|
||||
{
|
||||
float3 Pos;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
};
|
||||
|
||||
struct VSOutput
|
||||
{
|
||||
float4 Pos : SV_POSITION;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
float3 ViewVec;
|
||||
float3 LightVec;
|
||||
};
|
||||
|
||||
struct UBO
|
||||
{
|
||||
float4x4 projection;
|
||||
float4x4 model;
|
||||
float4 lightPos;
|
||||
};
|
||||
ConstantBuffer<UBO> ubo;
|
||||
|
||||
Sampler2D samplerColorMap;
|
||||
|
||||
[shader("vertex")]
|
||||
VSOutput vertexMain(VSInput input)
|
||||
{
|
||||
VSOutput output;
|
||||
output.Color = input.Color;
|
||||
output.Pos = mul(ubo.projection, mul(ubo.model, float4(input.Pos.xyz, 1.0)));
|
||||
float4 pos = mul(ubo.model, float4(input.Pos, 1.0));
|
||||
output.Normal = mul((float3x3)ubo.model, input.Normal);
|
||||
float3 lPos = mul((float3x3)ubo.model, ubo.lightPos.xyz);
|
||||
output.LightVec = lPos - pos.xyz;
|
||||
output.ViewVec = -pos.xyz;
|
||||
return output;
|
||||
}
|
||||
|
||||
[shader("fragment")]
|
||||
float4 fragmentMain(VSOutput input)
|
||||
{
|
||||
// Desaturate color
|
||||
float3 color = lerp(input.Color, dot(float3(0.2126,0.7152,0.0722), input.Color).xxx, 0.65);
|
||||
|
||||
// High ambient colors because mesh materials are pretty dark
|
||||
float3 ambient = color * float3(1.0, 1.0, 1.0);
|
||||
float3 N = normalize(input.Normal);
|
||||
float3 L = normalize(input.LightVec);
|
||||
float3 V = normalize(input.ViewVec);
|
||||
float3 R = reflect(-L, N);
|
||||
float3 diffuse = max(dot(N, L), 0.0) * color;
|
||||
float3 specular = pow(max(dot(R, V), 0.0), 32.0) * float3(0.35, 0.35, 0.35);
|
||||
return float4(ambient + diffuse * 1.75 + specular, 1.0);
|
||||
}
|
||||
70
shaders/slang/pipelines/toon.slang
Normal file
70
shaders/slang/pipelines/toon.slang
Normal file
|
|
@ -0,0 +1,70 @@
|
|||
/* Copyright (c) 2025, Sascha Willems
|
||||
*
|
||||
* SPDX-License-Identifier: MIT
|
||||
*
|
||||
*/
|
||||
|
||||
struct VSInput
|
||||
{
|
||||
float3 Pos;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
};
|
||||
|
||||
struct VSOutput
|
||||
{
|
||||
float4 Pos : SV_POSITION;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
float3 ViewVec;
|
||||
float3 LightVec;
|
||||
};
|
||||
|
||||
struct UBO
|
||||
{
|
||||
float4x4 projection;
|
||||
float4x4 model;
|
||||
float4 lightPos;
|
||||
};
|
||||
ConstantBuffer<UBO> ubo;
|
||||
|
||||
Sampler2D samplerColorMap;
|
||||
|
||||
[shader("vertex")]
|
||||
VSOutput vertexMain(VSInput input)
|
||||
{
|
||||
VSOutput output;
|
||||
output.Color = input.Color;
|
||||
output.Pos = mul(ubo.projection, mul(ubo.model, float4(input.Pos.xyz, 1.0)));
|
||||
float4 pos = mul(ubo.model, float4(input.Pos, 1.0));
|
||||
output.Normal = mul((float3x3)ubo.model, input.Normal);
|
||||
float3 lPos = mul((float3x3)ubo.model, ubo.lightPos.xyz);
|
||||
output.LightVec = lPos - pos.xyz;
|
||||
output.ViewVec = -pos.xyz;
|
||||
return output;
|
||||
}
|
||||
|
||||
[shader("fragment")]
|
||||
float4 fragmentMain(VSOutput input)
|
||||
{
|
||||
// Desaturate color
|
||||
float3 color = lerp(input.Color, dot(float3(0.2126,0.7152,0.0722), input.Color).xxx, 0.65);
|
||||
|
||||
// High ambient colors because mesh materials are pretty dark
|
||||
float3 ambient = color * float3(1.0, 1.0, 1.0);
|
||||
float3 N = normalize(input.Normal);
|
||||
float3 L = normalize(input.LightVec);
|
||||
float3 V = normalize(input.ViewVec);
|
||||
float3 R = reflect(-L, N);
|
||||
float3 diffuse = max(dot(N, L), 0.0) * color;
|
||||
float3 specular = pow(max(dot(R, V), 0.0), 16.0) * float3(0.75, 0.75, 0.75);
|
||||
|
||||
float intensity = dot(N,L);
|
||||
float shade = 1.0;
|
||||
shade = intensity < 0.5 ? 0.75 : shade;
|
||||
shade = intensity < 0.35 ? 0.6 : shade;
|
||||
shade = intensity < 0.25 ? 0.5 : shade;
|
||||
shade = intensity < 0.1 ? 0.25 : shade;
|
||||
|
||||
return float4(input.Color * 3.0 * shade, 1);
|
||||
}
|
||||
40
shaders/slang/pipelines/wireframe.slang
Normal file
40
shaders/slang/pipelines/wireframe.slang
Normal file
|
|
@ -0,0 +1,40 @@
|
|||
/* Copyright (c) 2025, Sascha Willems
|
||||
*
|
||||
* SPDX-License-Identifier: MIT
|
||||
*
|
||||
*/
|
||||
|
||||
struct VSInput
|
||||
{
|
||||
float4 Pos;
|
||||
float2 UV;
|
||||
float3 Color;
|
||||
};
|
||||
|
||||
struct VSOutput
|
||||
{
|
||||
float4 Pos : SV_POSITION;
|
||||
float3 Color;
|
||||
};
|
||||
|
||||
struct UBO
|
||||
{
|
||||
float4x4 projection;
|
||||
float4x4 model;
|
||||
};
|
||||
ConstantBuffer<UBO> ubo;
|
||||
|
||||
[shader("vertex")]
|
||||
VSOutput vertexMain(VSInput input)
|
||||
{
|
||||
VSOutput output;
|
||||
output.Color = input.Color;
|
||||
output.Pos = mul(ubo.projection, mul(ubo.model, input.Pos));
|
||||
return output;
|
||||
}
|
||||
|
||||
[shader("fragment")]
|
||||
float4 fragmentMain(VSOutput input)
|
||||
{
|
||||
return float4(input.Color * 1.5, 1);
|
||||
}
|
||||
127
shaders/slang/pipelinestatistics/scene.slang
Normal file
127
shaders/slang/pipelinestatistics/scene.slang
Normal file
|
|
@ -0,0 +1,127 @@
|
|||
/* Copyright (c) 2025, Sascha Willems
|
||||
*
|
||||
* SPDX-License-Identifier: MIT
|
||||
*
|
||||
*/
|
||||
|
||||
struct VSInput
|
||||
{
|
||||
float3 Pos;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
};
|
||||
|
||||
struct VSOutput
|
||||
{
|
||||
float4 Pos : SV_POSITION;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
float3 ViewVec;
|
||||
float3 LightVec;
|
||||
};
|
||||
|
||||
struct HSOutput
|
||||
{
|
||||
float4 Pos : SV_POSITION;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
float3 ViewVec;
|
||||
float3 LightVec;
|
||||
};
|
||||
|
||||
struct DSOutput
|
||||
{
|
||||
float4 Pos : SV_POSITION;
|
||||
float3 Normal;
|
||||
float3 Color;
|
||||
float3 ViewVec;
|
||||
float3 LightVec;
|
||||
};
|
||||
|
||||
struct ConstantsHSOutput
|
||||
{
|
||||
float TessLevelOuter[3] : SV_TessFactor;
|
||||
float TessLevelInner[2] : SV_InsideTessFactor;
|
||||
};
|
||||
|
||||
struct UBO
|
||||
{
|
||||
float4x4 projection;
|
||||
float4x4 modelview;
|
||||
float4 lightPos;
|
||||
};
|
||||
ConstantBuffer<UBO> ubo;
|
||||
|
||||
struct PushConsts {
|
||||
float3 objPos;
|
||||
};
|
||||
[[vk::push_constant]] PushConsts pushConsts;
|
||||
|
||||
ConstantsHSOutput ConstantsHS(InputPatch<VSOutput, 3> patch)
|
||||
{
|
||||
ConstantsHSOutput output;
|
||||
output.TessLevelInner[0] = 2.0;
|
||||
output.TessLevelInner[1] = 2.0;
|
||||
output.TessLevelOuter[0] = 1.0;
|
||||
output.TessLevelOuter[1] = 1.0;
|
||||
output.TessLevelOuter[2] = 1.0;
|
||||
return output;
|
||||
}
|
||||
|
||||
[shader("hull")]
|
||||
[domain("tri")]
|
||||
[partitioning("integer")]
|
||||
[outputtopology("triangle_ccw")]
|
||||
[outputcontrolpoints(3)]
|
||||
[patchconstantfunc("ConstantsHS")]
|
||||
[maxtessfactor(20.0f)]
|
||||
HSOutput hullMain(InputPatch<VSOutput, 3> patch, uint InvocationID: SV_OutputControlPointID)
|
||||
{
|
||||
HSOutput output;
|
||||
output.Pos = patch[InvocationID].Pos;
|
||||
output.Normal = patch[InvocationID].Normal;
|
||||
output.Color = patch[InvocationID].Color;
|
||||
output.ViewVec = patch[InvocationID].ViewVec;
|
||||
output.LightVec = patch[InvocationID].LightVec;
|
||||
return output;
|
||||
}
|
||||
|
||||
[shader("domain")]
|
||||
[domain("tri")]
|
||||
DSOutput domainMain(ConstantsHSOutput input, float3 TessCoord: SV_DomainLocation, const OutputPatch<HSOutput, 3> patch)
|
||||
{
|
||||
DSOutput output;
|
||||
output.Pos = (TessCoord.x * patch[2].Pos) + (TessCoord.y * patch[1].Pos) + (TessCoord.z * patch[0].Pos);
|
||||
output.Normal = TessCoord.x * patch[2].Normal + TessCoord.y * patch[1].Normal + TessCoord.z * patch[0].Normal;
|
||||
output.ViewVec = TessCoord.x * patch[2].ViewVec + TessCoord.y * patch[1].ViewVec + TessCoord.z * patch[0].ViewVec;
|
||||
output.LightVec = TessCoord.x * patch[2].LightVec + TessCoord.y * patch[1].LightVec + TessCoord.z * patch[0].LightVec;
|
||||
output.Color = patch[0].Color;
|
||||
return output;
|
||||
}
|
||||
|
||||
[shader("vertex")]
|
||||
VSOutput vertexMain(VSInput input)
|
||||
{
|
||||
VSOutput output;
|
||||
output.Color = input.Color;
|
||||
float3 locPos = mul(ubo.modelview, float4(input.Pos, 1.0)).xyz;
|
||||
float3 worldPos = mul(ubo.modelview, float4(input.Pos + pushConsts.objPos, 1.0)).xyz;
|
||||
output.Pos = mul(ubo.projection, float4(worldPos, 1.0));
|
||||
float4 pos = mul(ubo.modelview, float4(worldPos, 1.0));
|
||||
output.Normal = mul((float3x3)ubo.modelview, input.Normal);
|
||||
output.LightVec = ubo.lightPos.xyz - pos.xyz;
|
||||
output.ViewVec = -pos.xyz;
|
||||
return output;
|
||||
}
|
||||
|
||||
[shader("fragment")]
|
||||
float4 fragmentMain(VSOutput input)
|
||||
{
|
||||
float3 N = normalize(input.Normal);
|
||||
float3 L = normalize(input.LightVec);
|
||||
float3 V = normalize(input.ViewVec);
|
||||
float3 R = reflect(-L, N);
|
||||
float3 diffuse = max(dot(N, L), 0.0) * input.Color;
|
||||
float3 specular = pow(max(dot(R, V), 0.0), 8.0) * float3(0.75, 0.75, 0.75);
|
||||
return float4(diffuse + specular, 0.5);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue