Source code

Revision control

Other Tools

/* -*- 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_DMABUF_LIB_WRAPPER_H__
#define __MOZ_DMABUF_LIB_WRAPPER_H__
#include "mozilla/widget/gbm.h"
#include "mozilla/StaticMutex.h"
#ifdef MOZ_LOGGING
# include "mozilla/Logging.h"
# include "nsTArray.h"
# include "Units.h"
extern mozilla::LazyLogModule gDmabufLog;
# define LOGDMABUF(args) MOZ_LOG(gDmabufLog, mozilla::LogLevel::Debug, args)
#else
# define LOGDMABUF(args)
#endif /* MOZ_LOGGING */
#ifndef DRM_FORMAT_MOD_INVALID
# define DRM_FORMAT_MOD_INVALID ((1ULL << 56) - 1)
#endif
namespace mozilla {
namespace widget {
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) {
StaticMutexAutoLock lockDRI(sDRILock);
return sCreateDevice(fd);
};
static struct gbm_bo* Create(struct gbm_device* gbm, uint32_t width,
uint32_t height, uint32_t format,
uint32_t flags) {
StaticMutexAutoLock lockDRI(sDRILock);
return sCreate(gbm, width, height, format, flags);
}
static void Destroy(struct gbm_bo* bo) {
StaticMutexAutoLock lockDRI(sDRILock);
sDestroy(bo);
}
static uint32_t GetStride(struct gbm_bo* bo) {
StaticMutexAutoLock lockDRI(sDRILock);
return sGetStride(bo);
}
static int GetFd(struct gbm_bo* bo) {
StaticMutexAutoLock lockDRI(sDRILock);
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) {
StaticMutexAutoLock lockDRI(sDRILock);
return sMap(bo, x, y, width, height, flags, stride, map_data);
}
static void Unmap(struct gbm_bo* bo, void* map_data) {
StaticMutexAutoLock lockDRI(sDRILock);
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) {
StaticMutexAutoLock lockDRI(sDRILock);
return sCreateWithModifiers(gbm, width, height, format, modifiers, count);
}
static uint64_t GetModifier(struct gbm_bo* bo) {
StaticMutexAutoLock lockDRI(sDRILock);
return sGetModifier(bo);
}
static int GetPlaneCount(struct gbm_bo* bo) {
StaticMutexAutoLock lockDRI(sDRILock);
return sGetPlaneCount(bo);
}
static union gbm_bo_handle GetHandleForPlane(struct gbm_bo* bo, int plane) {
StaticMutexAutoLock lockDRI(sDRILock);
return sGetHandleForPlane(bo, plane);
}
static uint32_t GetStrideForPlane(struct gbm_bo* bo, int plane) {
StaticMutexAutoLock lockDRI(sDRILock);
return sGetStrideForPlane(bo, plane);
}
static uint32_t GetOffset(struct gbm_bo* bo, int plane) {
StaticMutexAutoLock lockDRI(sDRILock);
return sGetOffset(bo, plane);
}
static int DeviceIsFormatSupported(struct gbm_device* gbm, uint32_t format,
uint32_t usage) {
StaticMutexAutoLock lockDRI(sDRILock);
return sDeviceIsFormatSupported(gbm, format, usage);
}
static int DrmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags,
int* prime_fd) {
StaticMutexAutoLock lockDRI(sDRILock);
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 mozilla::StaticMutex sDRILock;
static bool sLibLoaded;
};
struct GbmFormat {
bool mIsSupported;
bool mHasAlpha;
int mFormat;
uint64_t* mModifiers;
int mModifiersCount;
};
class nsDMABufDevice {
public:
nsDMABufDevice();
gbm_device* GetGbmDevice();
// Returns -1 if we fails to gbm device file descriptor.
int GetGbmDeviceFd();
// Use dmabuf for WebRender general web content
bool IsDMABufTexturesEnabled();
// Use dmabuf for video playback
bool IsDMABufVideoEnabled();
// Use dmabuf for VA-API video playback
bool IsDMABufVAAPIEnabled();
// Use dmabuf for WebGL content
bool IsDMABufWebGLEnabled();
void DisableDMABufWebGL();
GbmFormat* GetGbmFormat(bool aHasAlpha);
GbmFormat* GetExactGbmFormat(int aFormat);
void ResetFormatsModifiers();
void AddFormatModifier(bool aHasAlpha, int aFormat, uint32_t mModifierHi,
uint32_t mModifierLo);
bool Configure(nsACString& aFailureId);
private:
bool mUseWebGLDmabufBackend;
private:
bool IsDMABufEnabled();
GbmFormat mXRGBFormat;
GbmFormat mARGBFormat;
gbm_device* mGbmDevice;
int mGbmFd;
bool mInitialized;
};
nsDMABufDevice* GetDMABufDevice();
} // namespace widget
} // namespace mozilla
#endif // __MOZ_DMABUF_LIB_WRAPPER_H__