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

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


	#pragma BLENDER_REQUIRE(common_view_lib.glsl)			#pragma BLENDER_REQUIRE(common_view_lib.glsl)
	#pragma BLENDER_REQUIRE(common_math_lib.glsl)			#pragma BLENDER_REQUIRE(common_math_lib.glsl)
	#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl)			#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl)
	#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl)			#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl)
	#pragma BLENDER_REQUIRE(ambient_occlusion_lib.glsl)			#pragma BLENDER_REQUIRE(ambient_occlusion_lib.glsl)

	/**			/**
	* This shader only compute maximum horizon angles for each directions.			* This shader only compute maximum horizon angles for each directions.
	* The final integration is done at the resolve stage with the shading normal.			* The final integration is done at the resolve stage with the shading normal.
	*/			*/

	in vec4 uvcoordsvar;

	out vec4 FragColor;

	uniform sampler2D normalBuffer;

	/* Similar to https://atyuwen.github.io/posts/normal-reconstruction/.			/* Similar to https://atyuwen.github.io/posts/normal-reconstruction/.
	* This samples the depth buffer 4 time for each direction to get the most correct			* This samples the depth buffer 4 time for each direction to get the most correct
	* implicit normal reconstruction out of the depth buffer. */			* implicit normal reconstruction out of the depth buffer. */
	vec3 view_position_derivative_from_depth(vec2 uvs, vec2 ofs, vec3 vP, float depth_center)			vec3 view_position_derivative_from_depth(vec2 uvs, vec2 ofs, vec3 vP, float depth_center)
	{			{
	vec2 uv1 = uvs - ofs * 2.0;			vec2 uv1 = uvs - ofs * 2.0;
	vec2 uv2 = uvs - ofs;			vec2 uv2 = uvs - ofs;
	vec2 uv3 = uvs + ofs;			vec2 uv3 = uvs + ofs;
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