//<Snippetdxgisample_fx>

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved

//--------------------------------------------------------------------------------------
// File: dxgisample.fx
//
//--------------------------------------------------------------------------------------

//--------------------------------------------------------------------------------------
// Constant Buffer Variables
//--------------------------------------------------------------------------------------
Texture2D txDiffuse;
SamplerState samLinear
{
    Filter = MIN_MAG_MIP_LINEAR;
    AddressU = Wrap;
    AddressV = Wrap;
};

cbuffer cbNeverChanges
{
    matrix View;
};

cbuffer cbChangeOnResize
{
    matrix Projection;
};

cbuffer cbChangesEveryFrame
{
    matrix World;
};

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, World );
    output.Pos = mul( output.Pos, View );
    output.Pos = mul( output.Pos, Projection );
    output.Tex = input.Tex;

    return output;
}


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


//--------------------------------------------------------------------------------------
technique10 Render
{
    pass P0
    {
        SetVertexShader( CompileShader( vs_4_0_level_9_1, VS() ) );
        SetGeometryShader( NULL );
        SetPixelShader( CompileShader( ps_4_0_level_9_1, PS() ) );
    }
}
//</Snippetdxgisample_fx>