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wlr_texture: Introduce wlr_texture_preferred_read_format

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This commit is contained in:
Alexander Orzechowski 2023-06-19 01:43:15 -04:00
parent 09f16b2a9c
commit 57b18d26d0
3 changed files with 12 additions and 0 deletions
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1
include/wlr/render/interface.h
View file

@ -54,6 +54,7 @@ struct wlr_texture_impl {
struct wlr_buffer *buffer, const pixman_region32_t *damage);
bool (*read_pixels)(struct wlr_texture *texture,
const struct wlr_texture_read_pixels_options *options);
uint32_t (*preferred_read_format)(struct wlr_texture *texture);
void (*destroy)(struct wlr_texture *texture);
};

2
include/wlr/render/wlr_texture.h
View file

@ -42,6 +42,8 @@ struct wlr_texture_read_pixels_options {
bool wlr_texture_read_pixels(struct wlr_texture *texture,
const struct wlr_texture_read_pixels_options *options);
uint32_t wlr_texture_preferred_read_format(struct wlr_texture *texture);
/**
* Create a new texture from raw pixel data. `stride` is in bytes. The returned
* texture is mutable.

9
render/wlr_texture.c
View file

@ -1,4 +1,5 @@
#include <assert.h>
#include <drm_fourcc.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
@ -61,6 +62,14 @@ bool wlr_texture_read_pixels(struct wlr_texture *texture,
return texture->impl->read_pixels(texture, options);
}
uint32_t wlr_texture_preferred_read_format(struct wlr_texture *texture) {
if (!texture->impl->preferred_read_format) {
return DRM_FORMAT_INVALID;
}
return texture->impl->preferred_read_format(texture);
}
struct wlr_texture *wlr_texture_from_pixels(struct wlr_renderer *renderer,
uint32_t fmt, uint32_t stride, uint32_t width, uint32_t height,
const void *data) {