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

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source/blender/compositor/realtime_compositor/shaders/compositor_glare_mix.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);

	/* Add 0.5 to evaluate the input sampler at the center of the pixel and divide by the input image			/* Add 0.5 to evaluate the input sampler at the center of the pixel and divide by the input image
	* size to get the relevant coordinates into the sampler's expected [0, 1] range. Make sure the			* size to get the relevant coordinates into the sampler's expected [0, 1] range. Make sure the
	* input color is not negative to avoid a subtractive effect when mixing the glare. */			* input color is not negative to avoid a subtractive effect when mixing the glare. */
	vec2 normalized_coordinates = (vec2(texel) + vec2(0.5)) / texture_size(input_tx);			vec2 normalized_coordinates = (vec2(texel) + vec2(0.5)) / vec2(texture_size(input_tx));
	vec4 glare_color = texture(glare_tx, normalized_coordinates);			vec4 glare_color = texture(glare_tx, normalized_coordinates);
	vec4 input_color = max(vec4(0.0), texture_load(input_tx, texel));			vec4 input_color = max(vec4(0.0), texture_load(input_tx, texel));

	/* The mix factor is in the range [-1, 1] and linearly interpolate between the three values such			/* The mix factor is in the range [-1, 1] and linearly interpolate between the three values such
	* that:			* that:
	* 1 => Glare only.			* 1 => Glare only.
	* 0 => Input + Glare.			* 0 => Input + Glare.
	* -1 => Input only.			* -1 => Input only.
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