зеркало из https://github.com/mozilla/gecko-dev.git
218 строки
8.3 KiB
C++
218 строки
8.3 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __MOZ_WAYLAND_DISPLAY_H__
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#define __MOZ_WAYLAND_DISPLAY_H__
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#include "mozilla/widget/mozwayland.h"
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#include "mozilla/widget/gtk-primary-selection-client-protocol.h"
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#include "base/message_loop.h" // for MessageLoop
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#include "base/task.h" // for NewRunnableMethod, etc
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#include "mozilla/StaticMutex.h"
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#include <xf86drm.h>
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#include "mozilla/widget/gbm.h"
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#include "mozilla/widget/linux-dmabuf-unstable-v1-client-protocol.h"
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namespace mozilla {
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namespace widget {
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struct GbmFormat {
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bool mIsSupported;
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bool mHasAlpha;
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int mFormat;
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uint64_t* mModifiers;
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int mModifiersCount;
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};
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// Our general connection to Wayland display server,
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// holds our display connection and runs event loop.
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// We have a global nsWaylandDisplay object for each thread,
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// recently we have three for main, compositor and render one.
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class nsWaylandDisplay {
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public:
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explicit nsWaylandDisplay(wl_display* aDisplay);
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virtual ~nsWaylandDisplay();
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bool DispatchEventQueue();
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bool Matches(wl_display* aDisplay);
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MessageLoop* GetDispatcherThreadLoop() { return mDispatcherThreadLoop; }
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wl_display* GetDisplay() { return mDisplay; };
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wl_event_queue* GetEventQueue() { return mEventQueue; };
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wl_subcompositor* GetSubcompositor(void) { return mSubcompositor; };
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wl_data_device_manager* GetDataDeviceManager(void) {
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return mDataDeviceManager;
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};
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wl_seat* GetSeat(void) { return mSeat; };
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wl_shm* GetShm(void) { return mShm; };
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gtk_primary_selection_device_manager* GetPrimarySelectionDeviceManager(void) {
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return mPrimarySelectionDeviceManager;
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};
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void SetShm(wl_shm* aShm);
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void SetSubcompositor(wl_subcompositor* aSubcompositor);
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void SetDataDeviceManager(wl_data_device_manager* aDataDeviceManager);
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void SetSeat(wl_seat* aSeat);
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void SetPrimarySelectionDeviceManager(
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gtk_primary_selection_device_manager* aPrimarySelectionDeviceManager);
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void Shutdown();
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void SetDmabuf(zwp_linux_dmabuf_v1* aDmabuf);
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zwp_linux_dmabuf_v1* GetDmabuf() { return mDmabuf; };
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gbm_device* GetGbmDevice();
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// Returns -1 if we fails to gbm device file descriptor.
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int GetGbmDeviceFd();
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bool IsExplicitSyncEnabled() { return mExplicitSync; }
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GbmFormat* GetGbmFormat(bool aHasAlpha);
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GbmFormat* GetExactGbmFormat(int aFormat);
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void AddFormatModifier(bool aHasAlpha, int aFormat, uint32_t mModifierHi,
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uint32_t mModifierLo);
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static bool IsDMABufEnabled();
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// See WindowSurfaceWayland::CacheMode for details.
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int GetRenderingCacheModePref() { return mRenderingCacheModePref; };
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private:
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bool ConfigureGbm();
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MessageLoop* mDispatcherThreadLoop;
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PRThread* mThreadId;
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wl_display* mDisplay;
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wl_event_queue* mEventQueue;
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wl_data_device_manager* mDataDeviceManager;
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wl_subcompositor* mSubcompositor;
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wl_seat* mSeat;
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wl_shm* mShm;
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gtk_primary_selection_device_manager* mPrimarySelectionDeviceManager;
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wl_registry* mRegistry;
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zwp_linux_dmabuf_v1* mDmabuf;
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gbm_device* mGbmDevice;
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int mGbmFd;
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GbmFormat mXRGBFormat;
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GbmFormat mARGBFormat;
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bool mGdmConfigured;
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bool mExplicitSync;
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static bool mIsDMABufEnabled;
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static int mIsDMABufPrefState;
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static bool mIsDMABufConfigured;
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static int mRenderingCacheModePref;
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};
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void WaylandDispatchDisplays();
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void WaylandDisplayShutdown();
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nsWaylandDisplay* WaylandDisplayGet(GdkDisplay* aGdkDisplay = nullptr);
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wl_display* WaylandDisplayGetWLDisplay(GdkDisplay* aGdkDisplay = nullptr);
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typedef struct gbm_device* (*CreateDeviceFunc)(int);
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typedef struct gbm_bo* (*CreateFunc)(struct gbm_device*, uint32_t, uint32_t,
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uint32_t, uint32_t);
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typedef struct gbm_bo* (*ImportFunc)(struct gbm_device*, uint32_t, void*,
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uint32_t);
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typedef struct gbm_bo* (*CreateWithModifiersFunc)(struct gbm_device*, uint32_t,
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uint32_t, uint32_t,
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const uint64_t*,
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const unsigned int);
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typedef uint64_t (*GetModifierFunc)(struct gbm_bo*);
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typedef uint32_t (*GetStrideFunc)(struct gbm_bo*);
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typedef int (*GetFdFunc)(struct gbm_bo*);
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typedef void (*DestroyFunc)(struct gbm_bo*);
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typedef void* (*MapFunc)(struct gbm_bo*, uint32_t, uint32_t, uint32_t, uint32_t,
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uint32_t, uint32_t*, void**);
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typedef void (*UnmapFunc)(struct gbm_bo*, void*);
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typedef int (*GetPlaneCountFunc)(struct gbm_bo*);
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typedef union gbm_bo_handle (*GetHandleForPlaneFunc)(struct gbm_bo*, int);
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typedef uint32_t (*GetStrideForPlaneFunc)(struct gbm_bo*, int);
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typedef uint32_t (*GetOffsetFunc)(struct gbm_bo*, int);
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typedef int (*DeviceIsFormatSupportedFunc)(struct gbm_device*, uint32_t,
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uint32_t);
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typedef int (*DrmPrimeHandleToFDFunc)(int, uint32_t, uint32_t, int*);
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class nsGbmLib {
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public:
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static bool Load();
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static bool IsAvailable();
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static bool IsModifierAvailable();
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static struct gbm_device* CreateDevice(int fd) { return sCreateDevice(fd); };
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static struct gbm_bo* Create(struct gbm_device* gbm, uint32_t width,
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uint32_t height, uint32_t format,
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uint32_t flags) {
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return sCreate(gbm, width, height, format, flags);
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}
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static struct gbm_bo* Import(struct gbm_device* gbm, uint32_t type,
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void* buffer, uint32_t usage) {
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return sImport(gbm, type, buffer, usage);
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}
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static void Destroy(struct gbm_bo* bo) { sDestroy(bo); }
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static uint32_t GetStride(struct gbm_bo* bo) { return sGetStride(bo); }
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static int GetFd(struct gbm_bo* bo) { return sGetFd(bo); }
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static void* Map(struct gbm_bo* bo, uint32_t x, uint32_t y, uint32_t width,
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uint32_t height, uint32_t flags, uint32_t* stride,
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void** map_data) {
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return sMap(bo, x, y, width, height, flags, stride, map_data);
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}
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static void Unmap(struct gbm_bo* bo, void* map_data) { sUnmap(bo, map_data); }
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static struct gbm_bo* CreateWithModifiers(struct gbm_device* gbm,
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uint32_t width, uint32_t height,
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uint32_t format,
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const uint64_t* modifiers,
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const unsigned int count) {
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return sCreateWithModifiers(gbm, width, height, format, modifiers, count);
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}
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static uint64_t GetModifier(struct gbm_bo* bo) { return sGetModifier(bo); }
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static int GetPlaneCount(struct gbm_bo* bo) { return sGetPlaneCount(bo); }
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static union gbm_bo_handle GetHandleForPlane(struct gbm_bo* bo, int plane) {
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return sGetHandleForPlane(bo, plane);
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}
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static uint32_t GetStrideForPlane(struct gbm_bo* bo, int plane) {
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return sGetStrideForPlane(bo, plane);
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}
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static uint32_t GetOffset(struct gbm_bo* bo, int plane) {
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return sGetOffset(bo, plane);
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}
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static int DeviceIsFormatSupported(struct gbm_device* gbm, uint32_t format,
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uint32_t usage) {
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return sDeviceIsFormatSupported(gbm, format, usage);
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}
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static int DrmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags,
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int* prime_fd) {
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return sDrmPrimeHandleToFD(fd, handle, flags, prime_fd);
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}
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private:
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static CreateDeviceFunc sCreateDevice;
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static CreateFunc sCreate;
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static ImportFunc sImport;
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static CreateWithModifiersFunc sCreateWithModifiers;
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static GetModifierFunc sGetModifier;
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static GetStrideFunc sGetStride;
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static GetFdFunc sGetFd;
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static DestroyFunc sDestroy;
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static MapFunc sMap;
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static UnmapFunc sUnmap;
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static GetPlaneCountFunc sGetPlaneCount;
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static GetHandleForPlaneFunc sGetHandleForPlane;
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static GetStrideForPlaneFunc sGetStrideForPlane;
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static GetOffsetFunc sGetOffset;
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static DeviceIsFormatSupportedFunc sDeviceIsFormatSupported;
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static DrmPrimeHandleToFDFunc sDrmPrimeHandleToFD;
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static void* sGbmLibHandle;
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static void* sXf86DrmLibHandle;
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static bool sLibLoaded;
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};
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} // namespace widget
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} // namespace mozilla
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#endif // __MOZ_WAYLAND_DISPLAY_H__
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