Differential D16243 Diff 58431 source/blender/draw/engines/eevee/shaders/effect_downsample_cube_frag.glsl

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source/blender/draw/engines/eevee/shaders/effect_downsample_cube_frag.glsl

	/**			/**
	* Simple down-sample shader. Takes the average of the 4 texels of lower mip.			* Simple down-sample shader. Takes the average of the 4 texels of lower mip.
	*/			*/

	#pragma BLENDER_REQUIRE(common_math_lib.glsl)			#pragma BLENDER_REQUIRE(common_math_lib.glsl)

	uniform samplerCube source;			void main()
	uniform float texelSize;			{

	flat in int fFace;

	out vec4 FragColor;

				/* Global scope arrays get allocated using local memory in Metal. Moving inside function scope to
				* reduce register pressure. */
	const vec3 maj_axes[6] = vec3[6](vec3(1.0, 0.0, 0.0),			const vec3 maj_axes[6] = vec3[6](vec3(1.0, 0.0, 0.0),
	vec3(-1.0, 0.0, 0.0),			vec3(-1.0, 0.0, 0.0),
	vec3(0.0, 1.0, 0.0),			vec3(0.0, 1.0, 0.0),
	vec3(0.0, -1.0, 0.0),			vec3(0.0, -1.0, 0.0),
	vec3(0.0, 0.0, 1.0),			vec3(0.0, 0.0, 1.0),
	vec3(0.0, 0.0, -1.0));			vec3(0.0, 0.0, -1.0));
	const vec3 x_axis[6] = vec3[6](vec3(0.0, 0.0, -1.0),			const vec3 x_axis[6] = vec3[6](vec3(0.0, 0.0, -1.0),
	vec3(0.0, 0.0, 1.0),			vec3(0.0, 0.0, 1.0),
	vec3(1.0, 0.0, 0.0),			vec3(1.0, 0.0, 0.0),
	vec3(1.0, 0.0, 0.0),			vec3(1.0, 0.0, 0.0),
	vec3(1.0, 0.0, 0.0),			vec3(1.0, 0.0, 0.0),
	vec3(-1.0, 0.0, 0.0));			vec3(-1.0, 0.0, 0.0));
	const vec3 y_axis[6] = vec3[6](vec3(0.0, -1.0, 0.0),			const vec3 y_axis[6] = vec3[6](vec3(0.0, -1.0, 0.0),
	vec3(0.0, -1.0, 0.0),			vec3(0.0, -1.0, 0.0),
	vec3(0.0, 0.0, 1.0),			vec3(0.0, 0.0, 1.0),
	vec3(0.0, 0.0, -1.0),			vec3(0.0, 0.0, -1.0),
	vec3(0.0, -1.0, 0.0),			vec3(0.0, -1.0, 0.0),
	vec3(0.0, -1.0, 0.0));			vec3(0.0, -1.0, 0.0));

	void main()
	{
	vec2 uvs = gl_FragCoord.xy * texelSize;			vec2 uvs = gl_FragCoord.xy * texelSize;

	uvs = 2.0 * uvs - 1.0;			uvs = 2.0 * uvs - 1.0;

	vec3 cubevec = x_axis[fFace] * uvs.x + y_axis[fFace] * uvs.y + maj_axes[fFace];			vec3 cubevec = x_axis[geom_iface.fFace] * uvs.x + y_axis[geom_iface.fFace] * uvs.y +
				maj_axes[geom_iface.fFace];

	FragColor = textureLod(source, cubevec, 0.0);			FragColor = textureLod(source, cubevec, 0.0);
	}			}