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layout(binding = 1) uniform usampler2DRect materialData;
MaterialDetail
getMaterialDetail(uint midx)
{
if (midx > 0u) {
const vec4 sPosSize = texture(materialData, uvec2(0, midx - 1u));
const uvec4 sMode = texture(materialData, uvec2(1, midx - 1u));
const uint mapmodeU = sMode.x & 0xFu;
const uint mapmodeV = (sMode.x & 0xF0u) >> 1;
return MaterialDetail(sPosSize.xy, sPosSize.zw, uvec2(mapmodeU, mapmodeV));
}
return MaterialDetail(vec2(0, 0), vec2(0, 0), uvec2(0, 0));
}
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