cbuffer _173
{
    row_major float4x4 _173_projection : packoffset(c0);
};
Buffer<float4> maskTexCoordTable : register(t4);

static float4 gl_Position;
static uint vFlags;
static uint flags;
static float2 mask1UV;
static float2 mask2UV;
static uint2 masks;
static float3 vTint;
static float2 vUV;
static float2 uv;
static float2 position;

struct SPIRV_Cross_Input
{
    float2 position : TEXCOORD0;
    float2 uv : TEXCOORD1;
    uint2 masks : TEXCOORD2;
    uint flags : TEXCOORD3;
};

struct SPIRV_Cross_Output
{
    float2 vUV : TEXCOORD0;
    float2 mask1UV : TEXCOORD1;
    float2 mask2UV : TEXCOORD2;
    nointerpolation uint vFlags : TEXCOORD3;
    nointerpolation float3 vTint : TEXCOORD4;
    float4 gl_Position : SV_Position;
};

float2 getMaskUV(float2 corner, uint maskIndex)
{
    int offset = int(maskIndex) * 4;
    float u = maskTexCoordTable.Load(offset + 0).x;
    float v = maskTexCoordTable.Load(offset + 1).x;
    float w = maskTexCoordTable.Load(offset + 2).x;
    float h = maskTexCoordTable.Load(offset + 3).x;
    return float2(u, v) + (corner * float2(w, h));
}

float3 decodeRGB565(int rgb5)
{
    int3 colorUnpacked = (rgb5.xxx >> int3(11, 5, 0)) & int3(31, 63, 31);
    return float3(float3(colorUnpacked) / float3(31.0f, 63.0f, 31.0f));
}

void vert_main()
{
    vFlags = flags;
    mask1UV = (-1.0f).xx;
    mask2UV = (-1.0f).xx;
    int vertexID = int(flags >> uint(2)) & 3;
    float2 corner = float2(float(vertexID >> 1), float(vertexID & 1));
    if (masks.x != 65535u)
    {
        float2 param = corner;
        uint param_1 = masks.x;
        mask1UV = getMaskUV(param, param_1);
    }
    if (masks.y != 65535u)
    {
        float2 param_2 = corner;
        uint param_3 = masks.y;
        mask2UV = getMaskUV(param_2, param_3);
    }
    int param_4 = int(flags >> uint(16));
    vTint = decodeRGB565(param_4);
    vUV = uv;
    gl_Position = mul(float4(position, 0.0f, 1.0f), _173_projection);
}

SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
{
    flags = stage_input.flags;
    masks = stage_input.masks;
    uv = stage_input.uv;
    position = stage_input.position;
    vert_main();
    SPIRV_Cross_Output stage_output;
    stage_output.gl_Position = gl_Position;
    stage_output.vFlags = vFlags;
    stage_output.mask1UV = mask1UV;
    stage_output.mask2UV = mask2UV;
    stage_output.vTint = vTint;
    stage_output.vUV = vUV;
    return stage_output;
}