/*
*  SimpleVertexShader.hlsl
*  ARToolKit5
*
*  A simple shader which does the basic transformation.
*
*  This file is part of ARToolKit.
*  Partly based on official Microsoft DX samples.
*
*  ARToolKit is free software: you can redistribute it and/or modify
*  it under the terms of the GNU Lesser General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  ARToolKit is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU Lesser General Public License for more details.
*
*  You should have received a copy of the GNU Lesser General Public License
*  along with ARToolKit.  If not, see <http://www.gnu.org/licenses/>.
*
*  As a special exception, the copyright holders of this library give you
*  permission to link this library with independent modules to produce an
*  executable, regardless of the license terms of these independent modules, and to
*  copy and distribute the resulting executable under terms of your choice,
*  provided that you also meet, for each linked independent module, the terms and
*  conditions of the license of that module. An independent module is a module
*  which is neither derived from nor based on this library. If you modify this
*  library, you may extend this exception to your version of the library, but you
*  are not obligated to do so. If you do not wish to do so, delete this exception
*  statement from your version.
*
*  Copyright 2015 Daqri, LLC.
*
*  Author(s): Rene Schulte.
*
*/

cbuffer ModelViewProjectionConstantBuffer : register(b0)
{
	matrix modelView;
	matrix projection;
};

struct VertexShaderInput
{
    float3 pos : POSITION;
    float3 color : COLOR0;
};

struct VertexShaderOutput
{
    float3 color : COLOR0;
    float4 pos : SV_POSITION;
};

VertexShaderOutput main(VertexShaderInput input)
{
    VertexShaderOutput output;
    float4 pos = float4(input.pos, 1.0f);

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

    // Pass through the color without modification.
    output.color = input.color;

    return output;
}