mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-14 01:15:59 +01:00
122 lines
4 KiB
C
122 lines
4 KiB
C
#ifndef _WLR_RENDER_H
|
|
#define _WLR_RENDER_H
|
|
#include <stdint.h>
|
|
#include <wayland-server-protocol.h>
|
|
#include <wlr/types/wlr_output.h>
|
|
|
|
struct wlr_texture;
|
|
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 texture handle from this renderer.
|
|
*/
|
|
struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r);
|
|
/**
|
|
* Renders the requested texture using the provided matrix. A typical texture
|
|
* rendering goes like so:
|
|
*
|
|
* struct wlr_renderer *renderer;
|
|
* struct wlr_texture *texture;
|
|
* float projection[16];
|
|
* float matrix[16];
|
|
* wlr_texture_get_matrix(texture, &matrix, &projection, 123, 321);
|
|
* wlr_render_with_matrix(renderer, texture, &matrix);
|
|
*
|
|
* This will render the texture at <123, 321>.
|
|
*/
|
|
bool wlr_render_with_matrix(struct wlr_renderer *r,
|
|
struct wlr_texture *texture, 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);
|
|
/**
|
|
* Returns true if this wl_buffer is a DRM buffer.
|
|
*/
|
|
bool wlr_renderer_buffer_is_drm(struct wlr_renderer *renderer,
|
|
struct wl_resource *buffer);
|
|
/**
|
|
* Destroys this wlr_renderer. Textures must be destroyed separately.
|
|
*/
|
|
void wlr_renderer_destroy(struct wlr_renderer *renderer);
|
|
|
|
struct wlr_texture_impl;
|
|
|
|
struct wlr_texture {
|
|
struct wlr_texture_impl *impl;
|
|
|
|
bool valid;
|
|
uint32_t format;
|
|
int width, height;
|
|
struct wl_signal destroy_signal;
|
|
struct wl_resource *resource;
|
|
};
|
|
|
|
/**
|
|
* Copies pixels to this texture. The buffer is not accessed after this function
|
|
* returns.
|
|
*/
|
|
bool wlr_texture_upload_pixels(struct wlr_texture *tex,
|
|
enum wl_shm_format format, int stride, int width, int height,
|
|
const unsigned char *pixels);
|
|
/**
|
|
* Copies pixels to this texture. The buffer is not accessed after this function
|
|
* returns. Under some circumstances, this function may re-upload the entire
|
|
* buffer - therefore, the entire buffer must be valid.
|
|
*/
|
|
bool wlr_texture_update_pixels(struct wlr_texture *surf,
|
|
enum wl_shm_format format, int stride, int x, int y,
|
|
int width, int height, const unsigned char *pixels);
|
|
/**
|
|
* Copies pixels from a wl_shm_buffer into this texture. The buffer is not
|
|
* accessed after this function returns.
|
|
*/
|
|
bool wlr_texture_upload_shm(struct wlr_texture *tex, uint32_t format,
|
|
struct wl_shm_buffer *shm);
|
|
|
|
/**
|
|
* Attaches the contents from the given wl_drm wl_buffer resource onto the
|
|
* texture. The wl_resource is not used after this call.
|
|
* Will fail (return false) if the given resource is no drm buffer.
|
|
*/
|
|
bool wlr_texture_upload_drm(struct wlr_texture *tex,
|
|
struct wl_resource *drm_buffer);
|
|
|
|
/**
|
|
* Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The
|
|
* buffer is not accessed after this function returns. Under some circumstances,
|
|
* this function may re-upload the entire buffer - therefore, the entire buffer
|
|
* must be valid.
|
|
*/
|
|
bool wlr_texture_update_shm(struct wlr_texture *surf, uint32_t format,
|
|
int x, int y, int width, int height, struct wl_shm_buffer *shm);
|
|
/**
|
|
* Prepares a matrix with the appropriate scale for the given texture 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_texture_get_matrix(struct wlr_texture *texture,
|
|
float (*matrix)[16], const float (*projection)[16], int x, int y);
|
|
/**
|
|
* Destroys this wlr_texture.
|
|
*/
|
|
void wlr_texture_destroy(struct wlr_texture *texture);
|
|
|
|
#endif
|