c37d51f73d
This patch adds two new inputs to the Glare node, Saturation and Tint. Their function is to tint the color of Glare to any color the user wants. This is a partial implementation of #124176 to address #131325. Pull Request: https://projects.blender.org/blender/blender/pulls/132744
29 lines
944 B
GLSL
29 lines
944 B
GLSL
/* SPDX-FileCopyrightText: 2022-2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "gpu_shader_common_color_utils.glsl"
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#include "gpu_shader_compositor_texture_utilities.glsl"
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void main()
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{
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ivec2 texel = ivec2(gl_GlobalInvocationID.xy);
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/* Make sure the input is not negative to avoid a subtractive effect when mixing the glare. */
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vec4 input_color = max(vec4(0.0), texture_load(input_tx, texel));
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vec2 normalized_coordinates = (vec2(texel) + vec2(0.5)) / vec2(texture_size(input_tx));
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vec4 glare_color = texture(glare_tx, normalized_coordinates);
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/* Adjust saturation of glare. */
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vec4 glare_hsva;
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rgb_to_hsv(glare_color, glare_hsva);
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glare_hsva.y = clamp(glare_hsva.y * saturation, 0.0, 1.0);
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vec4 glare_rgba;
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hsv_to_rgb(glare_hsva, glare_rgba);
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vec3 combined_color = input_color.rgb + glare_rgba.rgb * tint;
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imageStore(output_img, texel, vec4(combined_color, input_color.a));
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}
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