You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.8 KiB
92 lines
2.8 KiB
#ifndef _WLR_RENDER_H
|
|
#define _WLR_RENDER_H
|
|
#include <stdint.h>
|
|
#include <wayland-server-protocol.h>
|
|
#include <wlr/types/wlr_output.h>
|
|
|
|
struct wlr_surface;
|
|
struct wlr_renderer;
|
|
|
|
void wlr_renderer_begin(struct wlr_renderer *r, struct wlr_output *output);
|
|
void wlr_renderer_end(struct wlr_renderer *r);
|
|
/**
|
|
* Requests a surface handle from this renderer.
|
|
*/
|
|
struct wlr_surface *wlr_render_surface_init(struct wlr_renderer *r);
|
|
/**
|
|
* Renders the requested surface using the provided matrix. A typical surface
|
|
* rendering goes like so:
|
|
*
|
|
* struct wlr_renderer *renderer;
|
|
* struct wlr_surface *surface;
|
|
* float projection[16];
|
|
* float matrix[16];
|
|
* wlr_surface_get_matrix(surface, &matrix, &projection, 123, 321);
|
|
* wlr_render_with_matrix(renderer, surface, &matrix);
|
|
*
|
|
* This will render the surface at <123, 321>.
|
|
*/
|
|
bool wlr_render_with_matrix(struct wlr_renderer *r,
|
|
struct wlr_surface *surface, const float (*matrix)[16]);
|
|
/**
|
|
* Renders a solid quad in the specified color.
|
|
*/
|
|
void wlr_render_colored_quad(struct wlr_renderer *r,
|
|
const float (*color)[4], const float (*matrix)[16]);
|
|
/**
|
|
* Renders a solid ellipse in the specified color.
|
|
*/
|
|
void wlr_render_colored_ellipse(struct wlr_renderer *r,
|
|
const float (*color)[4], const float (*matrix)[16]);
|
|
/**
|
|
* Returns a list of pixel formats supported by this renderer.
|
|
*/
|
|
const enum wl_shm_format *wlr_renderer_get_formats(
|
|
struct wlr_renderer *r, size_t *len);
|
|
/**
|
|
* Destroys this wlr_renderer. Surfaces must be destroyed separately.
|
|
*/
|
|
void wlr_renderer_destroy(struct wlr_renderer *renderer);
|
|
|
|
struct wlr_surface_impl;
|
|
struct wlr_surface_state;
|
|
|
|
struct wlr_surface {
|
|
struct wlr_surface_impl *impl;
|
|
struct wlr_surface_state *state;
|
|
bool valid;
|
|
uint32_t format;
|
|
int width, height;
|
|
};
|
|
|
|
/**
|
|
* Attaches a pixel buffer to this surface. The buffer may be discarded after
|
|
* calling this function.
|
|
*/
|
|
bool wlr_surface_attach_pixels(struct wlr_surface *surf,
|
|
enum wl_shm_format format, int width, int height,
|
|
const unsigned char *pixels);
|
|
/**
|
|
* Attaches pixels from a wl_shm_buffer to this surface. The shm buffer may be
|
|
* invalidated after calling this function.
|
|
*/
|
|
bool wlr_surface_attach_shm(struct wlr_surface *surf, uint32_t format,
|
|
struct wl_shm_buffer *shm);
|
|
/**
|
|
* Prepares a matrix with the appropriate scale for the given surface and
|
|
* multiplies it with the projection, producing a matrix that the shader can
|
|
* muptlipy vertex coordinates with to get final screen coordinates.
|
|
*
|
|
* The projection matrix is assumed to be an orthographic projection of [0,
|
|
* width) and [0, height], and the x and y coordinates provided are used as
|
|
* such.
|
|
*/
|
|
void wlr_surface_get_matrix(struct wlr_surface *surface,
|
|
float (*matrix)[16], const float (*projection)[16], int x, int y);
|
|
/**
|
|
* Destroys this wlr_surface.
|
|
*/
|
|
void wlr_surface_destroy(struct wlr_surface *tex);
|
|
|
|
#endif
|