wlroots-hyprland/include/render/egl.h
Simon Ser 4b3e08c8ac render/egl: make wlr_egl_{make,unset,is}_current private
These are trivial wrappers around eglMakeCurrent and
eglGetCurrentContext. Compositors which need to call these
functions will also call other EGL or GL functions anyways. Let's
reduce our API surface a bit by making them private.
2022-05-25 18:17:41 +00:00

116 lines
3.1 KiB
C

#ifndef RENDER_EGL_H
#define RENDER_EGL_H
#include <wlr/render/egl.h>
struct wlr_egl {
EGLDisplay display;
EGLContext context;
EGLDeviceEXT device; // may be EGL_NO_DEVICE_EXT
struct gbm_device *gbm_device;
struct {
// Display extensions
bool KHR_image_base;
bool EXT_image_dma_buf_import;
bool EXT_image_dma_buf_import_modifiers;
bool IMG_context_priority;
// Device extensions
bool EXT_device_drm;
bool EXT_device_drm_render_node;
// Client extensions
bool EXT_device_query;
bool KHR_platform_gbm;
bool EXT_platform_device;
} exts;
struct {
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT;
PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
PFNEGLQUERYWAYLANDBUFFERWL eglQueryWaylandBufferWL;
PFNEGLQUERYDMABUFFORMATSEXTPROC eglQueryDmaBufFormatsEXT;
PFNEGLQUERYDMABUFMODIFIERSEXTPROC eglQueryDmaBufModifiersEXT;
PFNEGLDEBUGMESSAGECONTROLKHRPROC eglDebugMessageControlKHR;
PFNEGLQUERYDISPLAYATTRIBEXTPROC eglQueryDisplayAttribEXT;
PFNEGLQUERYDEVICESTRINGEXTPROC eglQueryDeviceStringEXT;
PFNEGLQUERYDEVICESEXTPROC eglQueryDevicesEXT;
} procs;
bool has_modifiers;
struct wlr_drm_format_set dmabuf_texture_formats;
struct wlr_drm_format_set dmabuf_render_formats;
};
struct wlr_egl_context {
EGLDisplay display;
EGLContext context;
EGLSurface draw_surface;
EGLSurface read_surface;
};
/**
* Initializes an EGL context for the given DRM FD.
*
* Will attempt to load all possibly required API functions.
*/
struct wlr_egl *wlr_egl_create_with_drm_fd(int drm_fd);
/**
* Frees all related EGL resources, makes the context not-current and
* unbinds a bound wayland display.
*/
void wlr_egl_destroy(struct wlr_egl *egl);
/**
* Creates an EGL image from the given dmabuf attributes. Check usability
* of the dmabuf with wlr_egl_check_import_dmabuf once first.
*/
EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_attributes *attributes, bool *external_only);
/**
* Get DMA-BUF formats suitable for sampling usage.
*/
const struct wlr_drm_format_set *wlr_egl_get_dmabuf_texture_formats(
struct wlr_egl *egl);
/**
* Get DMA-BUF formats suitable for rendering usage.
*/
const struct wlr_drm_format_set *wlr_egl_get_dmabuf_render_formats(
struct wlr_egl *egl);
/**
* Destroys an EGL image created with the given wlr_egl.
*/
bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
int wlr_egl_dup_drm_fd(struct wlr_egl *egl);
/**
* Save the current EGL context to the structure provided in the argument.
*
* This includes display, context, draw surface and read surface.
*/
void wlr_egl_save_context(struct wlr_egl_context *context);
/**
* Restore EGL context that was previously saved using wlr_egl_save_current().
*/
bool wlr_egl_restore_context(struct wlr_egl_context *context);
/**
* Make the EGL context current.
*
* Callers are expected to clear the current context when they are done by
* calling wlr_egl_unset_current().
*/
bool wlr_egl_make_current(struct wlr_egl *egl);
bool wlr_egl_unset_current(struct wlr_egl *egl);
bool wlr_egl_is_current(struct wlr_egl *egl);
#endif