gecko-dev/widget/gtk/nsWaylandDisplay.h

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __MOZ_WAYLAND_DISPLAY_H__
#define __MOZ_WAYLAND_DISPLAY_H__
#include "mozilla/widget/mozwayland.h"
#include "mozilla/widget/gtk-primary-selection-client-protocol.h"
#include "mozilla/widget/idle-inhibit-unstable-v1-client-protocol.h"
#include "base/message_loop.h" // for MessageLoop
#include "base/task.h" // for NewRunnableMethod, etc
#include "mozilla/StaticMutex.h"
#include "mozilla/widget/gbm.h"
#include "mozilla/widget/linux-dmabuf-unstable-v1-client-protocol.h"
namespace mozilla {
namespace widget {
struct GbmFormat {
bool mIsSupported;
bool mHasAlpha;
int mFormat;
uint64_t* mModifiers;
int mModifiersCount;
};
// Our general connection to Wayland display server,
// holds our display connection and runs event loop.
// We have a global nsWaylandDisplay object for each thread,
// recently we have three for main, compositor and render one.
class nsWaylandDisplay {
public:
explicit nsWaylandDisplay(wl_display* aDisplay);
virtual ~nsWaylandDisplay();
bool DispatchEventQueue();
void SyncBegin();
void SyncEnd();
void WaitForSyncEnd();
bool Matches(wl_display* aDisplay);
wl_display* GetDisplay() { return mDisplay; };
wl_event_queue* GetEventQueue() { return mEventQueue; };
wl_compositor* GetCompositor(void) { return mCompositor; };
wl_subcompositor* GetSubcompositor(void) { return mSubcompositor; };
wl_data_device_manager* GetDataDeviceManager(void) {
return mDataDeviceManager;
};
wl_seat* GetSeat(void) { return mSeat; };
wl_shm* GetShm(void) { return mShm; };
gtk_primary_selection_device_manager* GetPrimarySelectionDeviceManager(void) {
return mPrimarySelectionDeviceManager;
};
zwp_idle_inhibit_manager_v1* GetIdleInhibitManager(void) {
return mIdleInhibitManager;
}
void SetShm(wl_shm* aShm);
void SetCompositor(wl_compositor* aCompositor);
void SetSubcompositor(wl_subcompositor* aSubcompositor);
void SetDataDeviceManager(wl_data_device_manager* aDataDeviceManager);
void SetSeat(wl_seat* aSeat);
void SetPrimarySelectionDeviceManager(
gtk_primary_selection_device_manager* aPrimarySelectionDeviceManager);
void SetIdleInhibitManager(zwp_idle_inhibit_manager_v1* aIdleInhibitManager);
MessageLoop* GetThreadLoop() { return mThreadLoop; }
void ShutdownThreadLoop();
void SetDmabuf(zwp_linux_dmabuf_v1* aDmabuf);
zwp_linux_dmabuf_v1* GetDmabuf() { return mDmabuf; };
gbm_device* GetGbmDevice();
// Returns -1 if we fails to gbm device file descriptor.
int GetGbmDeviceFd();
bool IsExplicitSyncEnabled() { return mExplicitSync; }
GbmFormat* GetGbmFormat(bool aHasAlpha);
GbmFormat* GetExactGbmFormat(int aFormat);
void AddFormat(bool aHasAlpha, int aFormat);
void AddFormatModifier(bool aHasAlpha, int aFormat, uint32_t mModifierHi,
uint32_t mModifierLo);
static bool IsDMABufEnabled();
static bool IsDMABufBasicEnabled();
static bool IsDMABufTexturesEnabled();
static bool IsDMABufWebGLEnabled();
static bool IsDMABufVAAPIEnabled();
private:
bool ConfigureGbm();
MessageLoop* mThreadLoop;
PRThread* mThreadId;
wl_display* mDisplay;
wl_event_queue* mEventQueue;
wl_data_device_manager* mDataDeviceManager;
wl_compositor* mCompositor;
wl_subcompositor* mSubcompositor;
wl_seat* mSeat;
wl_shm* mShm;
wl_callback* mSyncCallback;
gtk_primary_selection_device_manager* mPrimarySelectionDeviceManager;
zwp_idle_inhibit_manager_v1* mIdleInhibitManager;
wl_registry* mRegistry;
zwp_linux_dmabuf_v1* mDmabuf;
gbm_device* mGbmDevice;
int mGbmFd;
GbmFormat mXRGBFormat;
GbmFormat mARGBFormat;
bool mGdmConfigured;
bool mExplicitSync;
static bool sIsDMABufEnabled;
static bool sIsDMABufConfigured;
};
void WaylandDispatchDisplays();
void WaylandDisplayShutdown();
nsWaylandDisplay* WaylandDisplayGet(GdkDisplay* aGdkDisplay = nullptr);
wl_display* WaylandDisplayGetWLDisplay(GdkDisplay* aGdkDisplay = nullptr);
typedef struct gbm_device* (*CreateDeviceFunc)(int);
typedef struct gbm_bo* (*CreateFunc)(struct gbm_device*, uint32_t, uint32_t,
uint32_t, uint32_t);
typedef struct gbm_bo* (*CreateWithModifiersFunc)(struct gbm_device*, uint32_t,
uint32_t, uint32_t,
const uint64_t*,
const unsigned int);
typedef uint64_t (*GetModifierFunc)(struct gbm_bo*);
typedef uint32_t (*GetStrideFunc)(struct gbm_bo*);
typedef int (*GetFdFunc)(struct gbm_bo*);
typedef void (*DestroyFunc)(struct gbm_bo*);
typedef void* (*MapFunc)(struct gbm_bo*, uint32_t, uint32_t, uint32_t, uint32_t,
uint32_t, uint32_t*, void**);
typedef void (*UnmapFunc)(struct gbm_bo*, void*);
typedef int (*GetPlaneCountFunc)(struct gbm_bo*);
typedef union gbm_bo_handle (*GetHandleForPlaneFunc)(struct gbm_bo*, int);
typedef uint32_t (*GetStrideForPlaneFunc)(struct gbm_bo*, int);
typedef uint32_t (*GetOffsetFunc)(struct gbm_bo*, int);
typedef int (*DeviceIsFormatSupportedFunc)(struct gbm_device*, uint32_t,
uint32_t);
typedef int (*DrmPrimeHandleToFDFunc)(int, uint32_t, uint32_t, int*);
class nsGbmLib {
public:
static bool Load();
static bool IsLoaded();
static bool IsAvailable();
static bool IsModifierAvailable();
static struct gbm_device* CreateDevice(int fd) { return sCreateDevice(fd); };
static struct gbm_bo* Create(struct gbm_device* gbm, uint32_t width,
uint32_t height, uint32_t format,
uint32_t flags) {
return sCreate(gbm, width, height, format, flags);
}
static void Destroy(struct gbm_bo* bo) { sDestroy(bo); }
static uint32_t GetStride(struct gbm_bo* bo) { return sGetStride(bo); }
static int GetFd(struct gbm_bo* bo) { return sGetFd(bo); }
static void* Map(struct gbm_bo* bo, uint32_t x, uint32_t y, uint32_t width,
uint32_t height, uint32_t flags, uint32_t* stride,
void** map_data) {
return sMap(bo, x, y, width, height, flags, stride, map_data);
}
static void Unmap(struct gbm_bo* bo, void* map_data) { sUnmap(bo, map_data); }
static struct gbm_bo* CreateWithModifiers(struct gbm_device* gbm,
uint32_t width, uint32_t height,
uint32_t format,
const uint64_t* modifiers,
const unsigned int count) {
return sCreateWithModifiers(gbm, width, height, format, modifiers, count);
}
static uint64_t GetModifier(struct gbm_bo* bo) { return sGetModifier(bo); }
static int GetPlaneCount(struct gbm_bo* bo) { return sGetPlaneCount(bo); }
static union gbm_bo_handle GetHandleForPlane(struct gbm_bo* bo, int plane) {
return sGetHandleForPlane(bo, plane);
}
static uint32_t GetStrideForPlane(struct gbm_bo* bo, int plane) {
return sGetStrideForPlane(bo, plane);
}
static uint32_t GetOffset(struct gbm_bo* bo, int plane) {
return sGetOffset(bo, plane);
}
static int DeviceIsFormatSupported(struct gbm_device* gbm, uint32_t format,
uint32_t usage) {
return sDeviceIsFormatSupported(gbm, format, usage);
}
static int DrmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags,
int* prime_fd) {
return sDrmPrimeHandleToFD(fd, handle, flags, prime_fd);
}
private:
static CreateDeviceFunc sCreateDevice;
static CreateFunc sCreate;
static CreateWithModifiersFunc sCreateWithModifiers;
static GetModifierFunc sGetModifier;
static GetStrideFunc sGetStride;
static GetFdFunc sGetFd;
static DestroyFunc sDestroy;
static MapFunc sMap;
static UnmapFunc sUnmap;
static GetPlaneCountFunc sGetPlaneCount;
static GetHandleForPlaneFunc sGetHandleForPlane;
static GetStrideForPlaneFunc sGetStrideForPlane;
static GetOffsetFunc sGetOffset;
static DeviceIsFormatSupportedFunc sDeviceIsFormatSupported;
static DrmPrimeHandleToFDFunc sDrmPrimeHandleToFD;
static void* sGbmLibHandle;
static void* sXf86DrmLibHandle;
static bool sLibLoaded;
};
} // namespace widget
} // namespace mozilla
#endif // __MOZ_WAYLAND_DISPLAY_H__