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

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

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	* of the weights texture, hence the need for inversion. */			* of the weights texture, hence the need for inversion. */
	vec4 load_weight(ivec2 texel)			vec4 load_weight(ivec2 texel)
	{			{
	/* Add the radius to transform the texel into the range [0, radius * 2], with an additional 0.5			/* Add the radius to transform the texel into the range [0, radius * 2], with an additional 0.5
	* to sample at the center of the pixels, then divide by the upper bound plus one to transform			* to sample at the center of the pixels, then divide by the upper bound plus one to transform
	* the texel into the normalized range [0, 1] needed to sample the weights sampler. Finally,			* the texel into the normalized range [0, 1] needed to sample the weights sampler. Finally,
	* invert the textures coordinates by subtracting from 1 to maintain the shape of the weights as			* invert the textures coordinates by subtracting from 1 to maintain the shape of the weights as
	* mentioned in the function description. */			* mentioned in the function description. */
	return texture(weights_tx, 1.0 - ((texel + vec2(radius + 0.5)) / (radius * 2 + 1)));			return texture(weights_tx, 1.0 - ((vec2(texel) + vec2(radius + 0.5)) / (radius * 2.0 + 1.0)));
	}			}

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

	/* The mask input is treated as a boolean. If it is zero, then no blurring happens for this			/* The mask input is treated as a boolean. If it is zero, then no blurring happens for this
	* pixel. Otherwise, the pixel is blurred normally and the mask value is irrelevant. */			* pixel. Otherwise, the pixel is blurred normally and the mask value is irrelevant. */
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