spicetools/hooks/graphics/backends/d3d9/shaders/vertex_shader.hlsl

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2024-08-28 15:10:34 +00:00
/*
* original source
* vs.1.1 //Shader version 1.1
* dcl_position v0;
* dcl_color v1;
* dcl_texcoord0 v2;
* m4x4 oPos, v0, c0
* mul oD0, v1, c4
* mov oT0.xy, v2
*
* build command
* fxc.exe /Vi vertex-shader.hlsl /Fh vertex-shader.h /T vs_1_1 /E vs_main
*/
float4x4 WorldViewProjection : register(c0);
float4 ColorMultiply : register(c4);
float2 ConstantHalfTexelFixupOffset : register(c63);
struct VS {
float4 Position : POSITION; // dcl_position v0;
float4 Color : COLOR; // dcl_color v1;
float2 TexCoord : TEXCOORD0; // dcl_texcoord0 v2;
};
VS vs_main(VS input)
{
VS output;
output.Position = mul(input.Position, WorldViewProjection); // m4x4 oPos, v0, c0
output.Color.x = mul(input.Color.x, ColorMultiply.x); // mul oD0, v1, c4
output.Color.y = mul(input.Color.y, ColorMultiply.y);
output.Color.z = mul(input.Color.z, ColorMultiply.z);
output.Color.w = mul(input.Color.w, ColorMultiply.w);
output.TexCoord = input.TexCoord; // mov oT0.xy, v2
// fix texture position
output.Position.xy += ConstantHalfTexelFixupOffset.xy * output.Position.w;
return output;
}