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/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_RENDER_INTERFACE_H
#define WLR_RENDER_INTERFACE_H
#include <stdbool.h>
#include <wayland-server-core.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/render/wlr_texture.h>
#include <wlr/types/wlr_output.h>
#include <wlr/render/dmabuf.h>
struct wlr_box;
struct wlr_fbox;
struct wlr_renderer_impl {
bool (*bind_buffer)(struct wlr_renderer *renderer,
struct wlr_buffer *buffer);
bool (*begin)(struct wlr_renderer *renderer, uint32_t width,
uint32_t height);
void (*end)(struct wlr_renderer *renderer);
const uint32_t *(*get_shm_texture_formats)(
struct wlr_renderer *renderer, size_t *len);
const struct wlr_drm_format_set *(*get_dmabuf_texture_formats)(
struct wlr_renderer *renderer);
const struct wlr_drm_format_set *(*get_render_formats)(
struct wlr_renderer *renderer);
uint32_t (*preferred_read_format)(struct wlr_renderer *renderer);
bool (*read_pixels)(struct wlr_renderer *renderer, uint32_t fmt,
uint32_t stride, uint32_t width, uint32_t height,
uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
void *data);
void (*destroy)(struct wlr_renderer *renderer);
int (*get_drm_fd)(struct wlr_renderer *renderer);
uint32_t (*get_render_buffer_caps)(struct wlr_renderer *renderer);
struct wlr_texture *(*texture_from_buffer)(struct wlr_renderer *renderer,
struct wlr_buffer *buffer);
struct wlr_render_pass *(*begin_buffer_pass)(struct wlr_renderer *renderer,
struct wlr_buffer *buffer, const struct wlr_buffer_pass_options *options);
struct wlr_render_timer *(*render_timer_create)(struct wlr_renderer *renderer);
};
void wlr_renderer_init(struct wlr_renderer *renderer,
const struct wlr_renderer_impl *impl);
struct wlr_texture_impl {
bool (*update_from_buffer)(struct wlr_texture *texture,
struct wlr_buffer *buffer, const pixman_region32_t *damage);
void (*destroy)(struct wlr_texture *texture);
};
void wlr_texture_init(struct wlr_texture *texture, struct wlr_renderer *rendener,
const struct wlr_texture_impl *impl, uint32_t width, uint32_t height);
struct wlr_render_pass {
const struct wlr_render_pass_impl *impl;
};
void wlr_render_pass_init(struct wlr_render_pass *pass,
const struct wlr_render_pass_impl *impl);
struct wlr_render_pass_impl {
bool (*submit)(struct wlr_render_pass *pass);
void (*add_texture)(struct wlr_render_pass *pass,
const struct wlr_render_texture_options *options);
/* Implementers are also guaranteed that options->box is nonempty */
void (*add_rect)(struct wlr_render_pass *pass,
const struct wlr_render_rect_options *options);
};
struct wlr_render_timer {
const struct wlr_render_timer_impl *impl;
};
struct wlr_render_timer_impl {
int (*get_duration_ns)(struct wlr_render_timer *timer);
void (*destroy)(struct wlr_render_timer *timer);
};
void wlr_render_texture_options_get_src_box(const struct wlr_render_texture_options *options,
struct wlr_fbox *box);
void wlr_render_texture_options_get_dst_box(const struct wlr_render_texture_options *options,
struct wlr_box *box);
float wlr_render_texture_options_get_alpha(const struct wlr_render_texture_options *options);
void wlr_render_rect_options_get_box(const struct wlr_render_rect_options *options,
const struct wlr_buffer *buffer, struct wlr_box *box);
#endif
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