PixelShader.hlsl

//------------------------------------------------------------------------------------
// PixelShader.hlsl
//
// Simple shader to render a textured quad
//
// Advanced Technology Group (ATG)
// Copyright (C) Microsoft Corporation. All rights reserved.
//--------------------------------------------------------------------------------------

struct Interpolants
{
    float4 position : SV_Position;
    float2 texcoord : TEXCOORD0;
};

struct Pixel
{
    float4 color    : SV_Target;
};

Texture2D txDiffuse : register(t0);
SamplerState samLinear : register(s0);

#define MainRS \
    "RootFlags(ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT" \
    "          | DENY_DOMAIN_SHADER_ROOT_ACCESS" \
    "          | DENY_GEOMETRY_SHADER_ROOT_ACCESS" \
    "          | DENY_HULL_SHADER_ROOT_ACCESS)," \
    "DescriptorTable (SRV(t0), visibility=SHADER_VISIBILITY_PIXEL),"\
    "StaticSampler(s0, visibility=SHADER_VISIBILITY_PIXEL)"

[RootSignature(MainRS)]
Pixel main( Interpolants In )
{
    Pixel Out;
    Out.color = txDiffuse.Sample(samLinear, In.texcoord);
    return Out;
}