sdl3-src 3.4.4

Source code of the SDL 3 library
Documentation 
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#include "D3D12_Shader_Common.hlsli"

struct VertexShaderInput
{
    float3 pos : POSITION;
    float2 tex : TEXCOORD0;
    float4 color : COLOR0;
};

struct VertexShaderOutput
{
    float4 pos : SV_POSITION;
    float2 tex : TEXCOORD0;
    float4 color : COLOR0;
};

[RootSignature(ColorRS)]
VertexShaderOutput mainColor(VertexShaderInput input)
{
    VertexShaderOutput output;
    float4 pos = float4(input.pos, 1.0f);

    // Transform the vertex position into projected space.
    output.pos = mul(pos, mpv);

    // Pass through texture coordinates and color values without transformation
    output.tex = input.tex;
    output.color = input.color;

    return output;
}

[RootSignature(TextureRS)]
VertexShaderOutput mainTexture(VertexShaderInput input)
{
    return mainColor(input);
}

[RootSignature(AdvancedRS)]
VertexShaderOutput mainAdvanced(VertexShaderInput input)
{
    return mainColor(input);
}