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render, render/vulkan: add primaries to wlr_render_texture_options

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This commit is contained in:
Simon Ser 2025-02-27 17:52:37 +01:00
parent a8144088df
commit fa1feb447f
2 changed files with 17 additions and 1 deletions
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2
include/wlr/render/pass.h
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@ -104,6 +104,8 @@ struct wlr_render_texture_options {
enum wlr_render_blend_mode blend_mode;
/* Transfer function the source texture is encoded with */
enum wlr_color_transfer_function transfer_function;
/* Primaries describing the color volume of the source texture */
const struct wlr_color_primaries *primaries;
/* Wait for a timeline synchronization point before texturing.
*

16
render/vulkan/pass.c
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@ -833,7 +833,21 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
}
float color_matrix[9];
wlr_matrix_identity(color_matrix);
if (options->primaries != NULL) {
struct wlr_color_primaries srgb;
wlr_color_primaries_from_named(&srgb, WLR_COLOR_NAMED_PRIMARIES_SRGB);
float src_primaries_to_xyz[9];
wlr_color_primaries_to_xyz(options->primaries, src_primaries_to_xyz);
float srgb_to_xyz[9];
wlr_color_primaries_to_xyz(&srgb, srgb_to_xyz);
float xyz_to_srgb[9];
matrix_invert(xyz_to_srgb, srgb_to_xyz);
wlr_matrix_multiply(color_matrix, xyz_to_srgb, src_primaries_to_xyz);
} else {
wlr_matrix_identity(color_matrix);
}
struct wlr_vk_frag_texture_pcr_data frag_pcr_data = {
.alpha = alpha,