//TEST_IGNORE_FILE: Currently failing due to Spire compiler issues.
//TEST:COMPARE_HLSL: -target dxbc-assembly -profile vs_4_0 -entry VS -profile ps_4_0 -entry PS
//--------------------------------------------------------------------------------------
// File: Tutorial08.fx
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//--------------------------------------------------------------------------------------

//--------------------------------------------------------------------------------------
// Constant Buffer Variables
//--------------------------------------------------------------------------------------
Texture2D txDiffuse : register( t0 );
SamplerState samLinear : register( s0 );

cbuffer cbChangesEveryFrame : register( b0 )
{
    matrix WorldViewProj;
    matrix World;
    float4 vMeshColor;
};


//--------------------------------------------------------------------------------------
struct VS_INPUT
{
    float4 Pos : POSITION;
    float2 Tex : TEXCOORD;
};

struct PS_INPUT
{
    float4 Pos : SV_POSITION;
    float2 Tex : TEXCOORD0;
};


//--------------------------------------------------------------------------------------
// Vertex Shader
//--------------------------------------------------------------------------------------
PS_INPUT VS( VS_INPUT input )
{
    PS_INPUT output = (PS_INPUT)0;
    output.Pos = mul( input.Pos, WorldViewProj );
    output.Tex = input.Tex;
    
    return output;
}


//--------------------------------------------------------------------------------------
// Pixel Shader
//--------------------------------------------------------------------------------------
float4 PS( PS_INPUT input) : SV_Target
{
    return txDiffuse.Sample( samLinear, input.Tex ) * vMeshColor;
}