import Common;
import FluidGridData;

struct Params
{
    StructuredBuffer<float> vertexBuffer;
    StructuredBuffer<uint> indexBuffer;
};
ParameterBlock<Params> params;

struct VertexOut
{
    float4 position : SV_Position;
};

[shader("vertex")]
VertexOut vertexMain(uint vertexId : SV_VertexID)
{
    VertexOut output;
    uint index = params.indexBuffer[vertexId];
    float3 vertex = float3(params.vertexBuffer[index * 3 + 0],
                           params.vertexBuffer[index * 3 + 1],
                           params.vertexBuffer[index * 3 + 2]) * 5;
    output.position = mul(pViewParams.viewProjectionMatrix, float4(vertex, 1));
    return output;
}

[shader("pixel")]
float4 fragmentMain(VertexOut input) : SV_Target
{
    return float4(0, 0, 1, 1);
}