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path: root/gfx/gl/shaders/getMaterialDetail.glsl
blob: f819fb26e9bc163dac1d3e65d79dd87cf2c23602 (plain)
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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));
}