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Refactor: Compositor: Eliminate branching in blur shader

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This commit is contained in:
Omar Emara
2024-11-21 16:58:55 +02:00
parent 90fba1aaf4
commit ea767aa242
1 changed files with 4 additions and 8 deletions
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12
source/blender/compositor/realtime_compositor/shaders/compositor_symmetric_blur_variable_size.glsl
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@@ -2,9 +2,9 @@
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "gpu_shader_common_math_utils.glsl"
#include "gpu_shader_compositor_blur_common.glsl"
#include "gpu_shader_compositor_texture_utilities.glsl"
#include "gpu_shader_math_vector_lib.glsl"
/* Loads the input color of the pixel at the given texel. If gamma correction is enabled, the color
* is gamma corrected. If bounds are extended, then the input is treated as padded by a blur size
@@ -36,13 +36,9 @@ vec4 load_input(ivec2 texel)
* instead of returning zero for out of bound access. See load_input for more information. */
float load_size(ivec2 texel)
{
if (extend_bounds) {
ivec2 blur_radius = texture_size(weights_tx) - 1;
return clamp(texture_load(size_tx, texel - blur_radius).x, 0.0, 1.0);
}
else {
return clamp(texture_load(size_tx, texel).x, 0.0, 1.0);
}
ivec2 blur_radius = texture_size(weights_tx) - 1;
ivec2 offset = extend_bounds ? blur_radius : ivec2(0);
return clamp(texture_load(size_tx, texel - offset).x, 0.0, 1.0);
}
void main()