// Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
//
// This file is part of the AMD Render Pipeline Shaders SDK which is
// released under the AMD INTERNAL EVALUATION LICENSE.
//
// See file LICENSE.RTF for full license details.

graphics node GeometryPass(uint passId, rtv renderTarget : SV_Target0, uint4 scissorRect : SV_ScissorRect);

export void mt_main([readonly(present)] texture backbuffer, uint32_t numPasses)
{
    clear(backbuffer, float4(0.0, 0.2, 0.4, 1.0));

    ResourceDesc backbufferDesc = backbuffer.desc();

    uint spacing = 5;
    uint width   = max(spacing, uint(backbufferDesc.Width + spacing) / numPasses) - spacing;

    for (uint32_t i = 0; i < numPasses; i++)
    {
        uint4 scissor = uint4(i * (width + spacing), 0, width, backbufferDesc.Height);

        GeometryPass(i, backbuffer, scissor);
    }
}