wlroots/include/wlr/render/interface.h

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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_box.h>
#include <wlr/types/wlr_output.h>
#include <wlr/render/dmabuf.h>
struct wlr_renderer_impl {
bool (*bind_buffer)(struct wlr_renderer *renderer,
struct wlr_buffer *buffer);
void (*begin)(struct wlr_renderer *renderer, uint32_t width,
uint32_t height);
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void (*end)(struct wlr_renderer *renderer);
void (*clear)(struct wlr_renderer *renderer, const float color[static 4]);
void (*scissor)(struct wlr_renderer *renderer, struct wlr_box *box);
bool (*render_subtexture_with_matrix)(struct wlr_renderer *renderer,
struct wlr_texture *texture, const struct wlr_fbox *box,
const float matrix[static 9], float alpha);
void (*render_quad_with_matrix)(struct wlr_renderer *renderer,
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const float color[static 4], const float matrix[static 9]);
const uint32_t *(*get_shm_texture_formats)(struct wlr_renderer *renderer,
size_t *len);
bool (*resource_is_wl_drm_buffer)(struct wlr_renderer *renderer,
struct wl_resource *resource);
void (*wl_drm_buffer_get_size)(struct wlr_renderer *renderer,
struct wl_resource *buffer, int *width, int *height);
const struct wlr_drm_format_set *(*get_dmabuf_texture_formats)(
struct wlr_renderer *renderer);
const struct wlr_drm_format_set *(*get_dmabuf_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 *flags, 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);
struct wlr_texture *(*texture_from_pixels)(struct wlr_renderer *renderer,
uint32_t fmt, uint32_t stride, uint32_t width, uint32_t height,
const void *data);
struct wlr_texture *(*texture_from_wl_drm)(struct wlr_renderer *renderer,
struct wl_resource *data);
struct wlr_texture *(*texture_from_dmabuf)(struct wlr_renderer *renderer,
struct wlr_dmabuf_attributes *attribs);
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void (*destroy)(struct wlr_renderer *renderer);
bool (*init_wl_display)(struct wlr_renderer *renderer,
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struct wl_display *wl_display);
int (*get_drm_fd)(struct wlr_renderer *renderer);
};
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void wlr_renderer_init(struct wlr_renderer *renderer,
const struct wlr_renderer_impl *impl);
struct wlr_texture_impl {
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bool (*is_opaque)(struct wlr_texture *texture);
bool (*write_pixels)(struct wlr_texture *texture,
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,
const void *data);
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void (*destroy)(struct wlr_texture *texture);
};
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void wlr_texture_init(struct wlr_texture *texture,
const struct wlr_texture_impl *impl, uint32_t width, uint32_t height);
#endif