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render/vulkan: add luminance multiplier for texture shader

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This commit is contained in:
Simon Ser 2025-03-01 12:43:08 +01:00
parent fa1feb447f
commit ae85c31176
3 changed files with 14 additions and 0 deletions
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10
render/vulkan/pass.c
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@ -849,8 +849,18 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
wlr_matrix_identity(color_matrix);
}
float luminance_multiplier = 1;
if (tf != WLR_COLOR_TRANSFER_FUNCTION_SRGB) {
struct wlr_color_luminances src_lum, srgb_lum;
wlr_color_transfer_function_get_default_luminance(tf, &src_lum);
wlr_color_transfer_function_get_default_luminance(
WLR_COLOR_TRANSFER_FUNCTION_SRGB, &srgb_lum);
luminance_multiplier = get_luminance_multiplier(&src_lum, &srgb_lum);
}
struct wlr_vk_frag_texture_pcr_data frag_pcr_data = {
.alpha = alpha,
.luminance_multiplier = luminance_multiplier,
};
encode_color_matrix(color_matrix, frag_pcr_data.matrix);