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scene: add primaries support to wlr_scene_buffer

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This commit is contained in:
Simon Ser 2025-02-27 18:07:43 +01:00
parent ae85c31176
commit 071773cb27
2 changed files with 24 additions and 0 deletions
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4
include/wlr/types/wlr_scene.h
View file

@ -193,6 +193,7 @@ struct wlr_scene_buffer {
enum wl_output_transform transform;
pixman_region32_t opaque_region;
enum wlr_color_transfer_function transfer_function;
enum wlr_color_named_primaries primaries;
struct {
uint64_t active_outputs;
@ -545,6 +546,9 @@ void wlr_scene_buffer_set_filter_mode(struct wlr_scene_buffer *scene_buffer,
void wlr_scene_buffer_set_transfer_function(struct wlr_scene_buffer *scene_buffer,
enum wlr_color_transfer_function transfer_function);
void wlr_scene_buffer_set_primaries(struct wlr_scene_buffer *scene_buffer,
enum wlr_color_named_primaries primaries);
/**
* Calls the buffer's frame_done signal.
*/

20
types/scene/wlr_scene.c
View file

@ -14,6 +14,7 @@
#include <wlr/util/log.h>
#include <wlr/util/region.h>
#include <wlr/util/transform.h>
#include "render/color.h"
#include "types/wlr_output.h"
#include "types/wlr_scene.h"
#include "util/array.h"
@ -1109,6 +1110,16 @@ void wlr_scene_buffer_set_transfer_function(struct wlr_scene_buffer *scene_buffe
scene_node_update(&scene_buffer->node, NULL);
}
void wlr_scene_buffer_set_primaries(struct wlr_scene_buffer *scene_buffer,
enum wlr_color_named_primaries primaries) {
if (scene_buffer->primaries == primaries) {
return;
}
scene_buffer->primaries = primaries;
scene_node_update(&scene_buffer->node, NULL);
}
static struct wlr_texture *scene_buffer_get_texture(
struct wlr_scene_buffer *scene_buffer, struct wlr_renderer *renderer) {
if (scene_buffer->buffer == NULL || scene_buffer->texture != NULL) {
@ -1445,6 +1456,11 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
wlr_output_transform_invert(scene_buffer->transform);
transform = wlr_output_transform_compose(transform, data->transform);
struct wlr_color_primaries primaries = {0};
if (scene_buffer->primaries != 0) {
wlr_color_primaries_from_named(&primaries, scene_buffer->primaries);
}
wlr_render_pass_add_texture(data->render_pass, &(struct wlr_render_texture_options) {
.texture = texture,
.src_box = scene_buffer->src_box,
@ -1457,6 +1473,7 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
!pixman_region32_empty(&opaque) ?
WLR_RENDER_BLEND_MODE_PREMULTIPLIED : WLR_RENDER_BLEND_MODE_NONE,
.transfer_function = scene_buffer->transfer_function,
.primaries = scene_buffer->primaries != 0 ? &primaries : NULL,
.wait_timeline = scene_buffer->wait_timeline,
.wait_point = scene_buffer->wait_point,
});
@ -1950,6 +1967,9 @@ static enum scene_direct_scanout_result scene_entry_try_direct_scanout(
if (buffer->transfer_function != 0 && buffer->transfer_function != WLR_COLOR_TRANSFER_FUNCTION_SRGB) {
return false;
}
if (buffer->primaries != 0 && buffer->primaries != WLR_COLOR_NAMED_PRIMARIES_SRGB) {
return false;
}
// We want to ensure optimal buffer selection, but as direct-scanout can be enabled and disabled
// on a frame-by-frame basis, we wait for a few frames to send the new format recommendations.