Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 228 insertions, 0 deletions

diff --git a/widget/gtk/DMABufLibWrapper.h b/widget/gtk/DMABufLibWrapper.h
new file mode 100644
index 0000000000..9c1b05f1cd
--- /dev/null
+++ b/widget/gtk/DMABufLibWrapper.h
@@ -0,0 +1,228 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=2:
+ */
+/* 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"
+#include <mutex>
+
+#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 void (*DestroyDeviceFunc)(struct gbm_device*);
+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*);
+typedef struct gbm_surface* (*CreateSurfaceFunc)(struct gbm_device*, uint32_t,
+                                                 uint32_t, uint32_t, uint32_t);
+typedef void (*DestroySurfaceFunc)(struct gbm_surface*);
+
+class GbmLib {
+ public:
+  static bool IsAvailable() { return sLoaded || Load(); }
+  static bool IsModifierAvailable();
+
+  static struct gbm_device* CreateDevice(int fd) {
+    StaticMutexAutoLock lockDRI(sDRILock);
+    return sCreateDevice(fd);
+  };
+  static void DestroyDevice(struct gbm_device* gdm) {
+    StaticMutexAutoLock lockDRI(sDRILock);
+    return sDestroyDevice(gdm);
+  };
+  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);
+  }
+  static struct gbm_surface* CreateSurface(struct gbm_device* gbm,
+                                           uint32_t width, uint32_t height,
+                                           uint32_t format, uint32_t flags) {
+    StaticMutexAutoLock lockDRI(sDRILock);
+    return sCreateSurface(gbm, width, height, format, flags);
+  }
+  static void DestroySurface(struct gbm_surface* surface) {
+    StaticMutexAutoLock lockDRI(sDRILock);
+    return sDestroySurface(surface);
+  }
+
+ private:
+  static bool Load();
+  static bool IsLoaded();
+
+  static CreateDeviceFunc sCreateDevice;
+  static DestroyDeviceFunc sDestroyDevice;
+  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 CreateSurfaceFunc sCreateSurface;
+  static DestroySurfaceFunc sDestroySurface;
+  static bool sLoaded;
+
+  static void* sGbmLibHandle;
+  static void* sXf86DrmLibHandle;
+  static mozilla::StaticMutex sDRILock MOZ_UNANNOTATED;
+};
+
+struct GbmFormat {
+  bool mIsSupported;
+  bool mHasAlpha;
+  int mFormat;
+  nsTArray<uint64_t> mModifiers;
+};
+
+class DMABufDevice {
+ public:
+  DMABufDevice();
+  ~DMABufDevice();
+
+  int OpenDRMFd();
+  gbm_device* GetGbmDevice();
+  int GetDmabufFD(uint32_t aGEMHandle);
+
+  bool IsEnabled(nsACString& aFailureId);
+
+  // Use dmabuf for WebRender general web content
+  static bool IsDMABufTexturesEnabled();
+  // Use dmabuf for WebGL content
+  static bool IsDMABufWebGLEnabled();
+  static void DisableDMABufWebGL();
+
+  void AddFormatModifier(bool aHasAlpha, int aFormat, uint32_t mModifierHi,
+                         uint32_t mModifierLo);
+  GbmFormat* GetGbmFormat(bool aHasAlpha);
+
+ private:
+  void Configure();
+  void LoadFormatModifiers();
+
+  void SetModifiersToGfxVars();
+  void GetModifiersFromGfxVars();
+
+ private:
+  GbmFormat mXRGBFormat;
+  GbmFormat mARGBFormat;
+
+  int mDRMFd = -1;
+  std::once_flag mFlagGbmDevice;
+  gbm_device* mGbmDevice = nullptr;
+  const char* mFailureId = nullptr;
+  nsAutoCString mDrmRenderNode;
+};
+
+DMABufDevice* GetDMABufDevice();
+
+}  // namespace widget
+}  // namespace mozilla
+
+#endif  // __MOZ_DMABUF_LIB_WRAPPER_H__