Differential D13910 Diff 47377 source/blender/draw/engines/workbench/shaders/workbench_material_lib.glsl

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	layout(std140) uniform material_block
	{
	vec4 mat_data[4096];
	};

	/* If set to -1, the resource handle is used instead. */
	uniform int materialIndex;

	void workbench_material_data_get(			void workbench_material_data_get(
	int handle, out vec3 color, out float alpha, out float roughness, out float metallic)			int handle, out vec3 color, out float alpha, out float roughness, out float metallic)
	{			{
	handle = (materialIndex != -1) ? materialIndex : handle;			handle = (materialIndex != -1) ? materialIndex : handle;
	vec4 data = mat_data[uint(handle) & 0xFFFu];			vec4 data = materials_data[uint(handle) & 0xFFFu];
	color = data.rgb;			color = data.rgb;

	uint encoded_data = floatBitsToUint(data.w);			uint encoded_data = floatBitsToUint(data.w);
	alpha = float((encoded_data >> 16u) & 0xFFu) * (1.0 / 255.0);			alpha = float((encoded_data >> 16u) & 0xFFu) * (1.0 / 255.0);
	roughness = float((encoded_data >> 8u) & 0xFFu) * (1.0 / 255.0);			roughness = float((encoded_data >> 8u) & 0xFFu) * (1.0 / 255.0);
	metallic = float(encoded_data & 0xFFu) * (1.0 / 255.0);			metallic = float(encoded_data & 0xFFu) * (1.0 / 255.0);
	}			}