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// hello.slang
// This file provides a simple vertex and fragment shader that can be compiled
// using Slang. This code should also be valid as HLSL, and thus it does not
// use any of the new language features supported by Slang.
cbuffer Uniforms
{
float4x4 modelViewProjection;
}
struct AssembledVertex
{
float3 position : POSITION;
float3 color : COLOR;
};
struct CoarseVertex
{
float3 color;
};
struct Fragment
{
float4 color;
};
// Vertex Shader
struct VertexStageInput
{
AssembledVertex assembledVertex;
};
struct VertexStageOutput
{
CoarseVertex coarseVertex : CoarseVertex;
float4 sv_position : SV_Position;
};
VertexStageOutput vertexMain(VertexStageInput input)
{
VertexStageOutput output;
float3 position = input.assembledVertex.position;
float3 color = input.assembledVertex.color;
output.coarseVertex.color = color;
output.sv_position = mul(modelViewProjection, float4(position, 1.0));
return output;
}
// Fragment Shader
struct FragmentStageInput
{
CoarseVertex coarseVertex : CoarseVertex;
};
struct FragmentStageOutput
{
Fragment fragment : SV_Target;
};
FragmentStageOutput fragmentMain(FragmentStageInput input)
{
FragmentStageOutput output;
float3 color = input.coarseVertex.color;
output.fragment.color = float4(color, 1.0);
return output;
}
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