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render/pixman: add wlr_pixman_renderer_get_buffer_image()

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This is similar to wlr_pixman_texture_get_image and can be useful for
compositors to access the rendering data.
This commit is contained in:
Roman Gilg 2023-12-11 17:06:04 +01:00
parent 7ad3f4ad2d
commit 3531007b75
2 changed files with 16 additions and 0 deletions
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3
include/wlr/render/pixman.h
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@ -16,6 +16,9 @@ struct wlr_renderer *wlr_pixman_renderer_create(void);
bool wlr_renderer_is_pixman(struct wlr_renderer *wlr_renderer);
bool wlr_texture_is_pixman(struct wlr_texture *texture);
pixman_image_t *wlr_pixman_renderer_get_buffer_image(
struct wlr_renderer *wlr_renderer, struct wlr_buffer *wlr_buffer);
pixman_image_t *wlr_pixman_texture_get_image(struct wlr_texture *wlr_texture);
#endif

13
render/pixman/renderer.c
View File

@ -343,6 +343,19 @@ struct wlr_renderer *wlr_pixman_renderer_create(void) {
return &renderer->wlr_renderer;
}
pixman_image_t *wlr_pixman_renderer_get_buffer_image(
struct wlr_renderer *wlr_renderer, struct wlr_buffer *wlr_buffer) {
struct wlr_pixman_renderer *renderer = get_renderer(wlr_renderer);
struct wlr_pixman_buffer *buffer = get_buffer(renderer, wlr_buffer);
if (!buffer) {
buffer = create_buffer(renderer, wlr_buffer);
}
if (!buffer) {
return NULL;
}
return buffer->image;
}
pixman_image_t *wlr_pixman_texture_get_image(struct wlr_texture *wlr_texture) {
struct wlr_pixman_texture *texture = get_texture(wlr_texture);
return texture->image;