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https://github.com/hyprwm/wlroots-hyprland.git
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1edc42157b
This function can be called after wlr_egl_make_current to cleanup the EGL context. This avoids having lingering EGL contexts that make things work by chance. Closes: https://github.com/swaywm/wlroots/issues/2197
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_RENDER_EGL_H
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#define WLR_RENDER_EGL_H
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#ifndef MESA_EGL_NO_X11_HEADERS
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#define MESA_EGL_NO_X11_HEADERS
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#endif
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#ifndef EGL_NO_X11
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#define EGL_NO_X11
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#endif
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#include <wlr/config.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#if WLR_HAS_EGLMESAEXT_H
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// TODO: remove eglmesaext.h
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#include <EGL/eglmesaext.h>
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#endif
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#include <pixman.h>
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#include <stdbool.h>
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#include <wayland-server-core.h>
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#include <wlr/render/dmabuf.h>
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#include <wlr/render/drm_format_set.h>
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struct wlr_egl {
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EGLenum platform;
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EGLDisplay display;
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EGLConfig config;
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EGLContext context;
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struct {
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bool bind_wayland_display_wl;
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bool buffer_age_ext;
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bool image_base_khr;
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bool image_dma_buf_export_mesa;
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bool image_dmabuf_import_ext;
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bool image_dmabuf_import_modifiers_ext;
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bool swap_buffers_with_damage;
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} exts;
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struct {
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PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT;
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PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC eglCreatePlatformWindowSurfaceEXT;
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PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
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PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
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PFNEGLQUERYWAYLANDBUFFERWL eglQueryWaylandBufferWL;
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PFNEGLBINDWAYLANDDISPLAYWL eglBindWaylandDisplayWL;
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PFNEGLUNBINDWAYLANDDISPLAYWL eglUnbindWaylandDisplayWL;
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PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC eglSwapBuffersWithDamage; // KHR or EXT
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PFNEGLQUERYDMABUFFORMATSEXTPROC eglQueryDmaBufFormatsEXT;
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PFNEGLQUERYDMABUFMODIFIERSEXTPROC eglQueryDmaBufModifiersEXT;
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PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC eglExportDMABUFImageQueryMESA;
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PFNEGLEXPORTDMABUFIMAGEMESAPROC eglExportDMABUFImageMESA;
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PFNEGLDEBUGMESSAGECONTROLKHRPROC eglDebugMessageControlKHR;
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} procs;
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struct wl_display *wl_display;
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struct wlr_drm_format_set dmabuf_formats;
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};
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// TODO: Allocate and return a wlr_egl
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/**
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* Initializes an EGL context for the given platform and remote display.
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* Will attempt to load all possibly required api functions.
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*/
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bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
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const EGLint *config_attribs, EGLint visual_id);
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/**
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* Frees all related EGL resources, makes the context not-current and
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* unbinds a bound wayland display.
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*/
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void wlr_egl_finish(struct wlr_egl *egl);
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/**
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* Binds the given display to the EGL instance.
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* This will allow clients to create EGL surfaces from wayland ones and render
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* to it.
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*/
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bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display);
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/**
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* Returns a surface for the given native window
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* The window must match the remote display the wlr_egl was created with.
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*/
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EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window);
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/**
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* Creates an EGL image from the given wl_drm buffer resource.
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*/
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EGLImageKHR wlr_egl_create_image_from_wl_drm(struct wlr_egl *egl,
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struct wl_resource *data, EGLint *fmt, int *width, int *height,
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bool *inverted_y);
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/**
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* Creates an EGL image from the given dmabuf attributes. Check usability
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* of the dmabuf with wlr_egl_check_import_dmabuf once first.
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*/
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EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_attributes *attributes);
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/**
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* Get the available dmabuf formats
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*/
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const struct wlr_drm_format_set *wlr_egl_get_dmabuf_formats(struct wlr_egl *egl);
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bool wlr_egl_export_image_to_dmabuf(struct wlr_egl *egl, EGLImageKHR image,
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int32_t width, int32_t height, uint32_t flags,
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struct wlr_dmabuf_attributes *attribs);
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/**
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* Destroys an EGL image created with the given wlr_egl.
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*/
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bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
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/**
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* Make the EGL context current. The provided surface will be made current
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* unless EGL_NO_SURFACE.
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*
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* Callers are expected to clear the current context when they are done by
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* calling wlr_egl_unset_current.
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*/
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bool wlr_egl_make_current(struct wlr_egl *egl, EGLSurface surface,
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int *buffer_age);
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bool wlr_egl_unset_current(struct wlr_egl *egl);
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bool wlr_egl_is_current(struct wlr_egl *egl);
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bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
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pixman_region32_t *damage);
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bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface);
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#endif
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