Differential D16990 Diff 60050 source/blender/compositor/realtime_compositor/shaders/compositor_glare_streaks_filter.glsl

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source/blender/compositor/realtime_compositor/shaders/compositor_glare_streaks_filter.glsl

	#pragma BLENDER_REQUIRE(gpu_shader_compositor_texture_utilities.glsl)			#pragma BLENDER_REQUIRE(gpu_shader_compositor_texture_utilities.glsl)

	void main()			void main()
	{			{
	ivec2 texel = ivec2(gl_GlobalInvocationID.xy);			ivec2 texel = ivec2(gl_GlobalInvocationID.xy);
	ivec2 input_size = texture_size(input_streak_tx);			ivec2 input_size = texture_size(input_streak_tx);

	/* Add 0.5 to evaluate the input sampler at the center of the pixel and divide by the image size			/* Add 0.5 to evaluate the input sampler at the center of the pixel and divide by the image size
	* to get the coordinates into the sampler's expected [0, 1] range. Similarly, transform the			* to get the coordinates into the sampler's expected [0, 1] range. Similarly, transform the
	* vector into the sampler's space by dividing by the input size. */			* vector into the sampler's space by dividing by the input size. */
	vec2 coordinates = (vec2(texel) + vec2(0.5)) / input_size;			vec2 coordinates = (vec2(texel) + vec2(0.5)) / vec2(input_size);
	vec2 vector = streak_vector / input_size;			vec2 vector = streak_vector / vec2(input_size);

	/* Load three equally spaced neighbours to the current pixel in the direction of the streak			/* Load three equally spaced neighbours to the current pixel in the direction of the streak
	* vector. */			* vector. */
	vec4 neighbours[3];			vec4 neighbours[3];
	neighbours[0] = texture(input_streak_tx, coordinates + vector);			neighbours[0] = texture(input_streak_tx, coordinates + vector);
	neighbours[1] = texture(input_streak_tx, coordinates + vector * 2.0);			neighbours[1] = texture(input_streak_tx, coordinates + vector * 2.0);
	neighbours[2] = texture(input_streak_tx, coordinates + vector * 3.0);			neighbours[2] = texture(input_streak_tx, coordinates + vector * 3.0);

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