gecko-dev/gfx/gl/GLLibraryEGL.h
2016-06-17 13:33:08 +01:00

678 lines
22 KiB
C++

/* 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 GLLIBRARYEGL_H_
#define GLLIBRARYEGL_H_
#if defined(MOZ_X11)
#include "mozilla/X11Util.h"
#endif
#include "GLLibraryLoader.h"
#include "mozilla/StaticMutex.h"
#include "mozilla/ThreadLocal.h"
#include "nsIFile.h"
#include "GeckoProfiler.h"
#include <bitset>
#include <vector>
#ifdef XP_WIN
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif
#include <windows.h>
typedef HDC EGLNativeDisplayType;
typedef HBITMAP EGLNativePixmapType;
typedef HWND EGLNativeWindowType;
#else
typedef void* EGLNativeDisplayType;
typedef void* EGLNativePixmapType;
typedef void* EGLNativeWindowType;
#ifdef ANDROID
// We only need to explicitly dlopen egltrace
// on android as we can use LD_PRELOAD or other tricks
// on other platforms. We look for it in /data/local
// as that's writeable by all users
//
// This should really go in GLLibraryEGL.cpp but we currently reference
// APITRACE_LIB in GLContextProviderEGL.cpp. Further refactoring
// will come in subsequent patches on Bug 732865
#define APITRACE_LIB "/data/local/tmp/egltrace.so"
#endif
#endif
#if defined(MOZ_X11)
#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)mozilla::DefaultXDisplay())
#else
#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0)
#endif
namespace mozilla {
namespace gfx {
class DataSourceSurface;
}
namespace gl {
#undef BEFORE_GL_CALL
#undef AFTER_GL_CALL
#ifdef DEBUG
#ifndef MOZ_FUNCTION_NAME
# ifdef __GNUC__
# define MOZ_FUNCTION_NAME __PRETTY_FUNCTION__
# elif defined(_MSC_VER)
# define MOZ_FUNCTION_NAME __FUNCTION__
# else
# define MOZ_FUNCTION_NAME __func__ // defined in C99, supported in various C++ compilers. Just raw function name.
# endif
#endif
#ifdef MOZ_WIDGET_ANDROID
// Record the name of the GL call for better hang stacks on Android.
#define BEFORE_GL_CALL \
PROFILER_LABEL_FUNC( \
js::ProfileEntry::Category::GRAPHICS);\
BeforeGLCall(MOZ_FUNCTION_NAME)
#else
#define BEFORE_GL_CALL do { \
BeforeGLCall(MOZ_FUNCTION_NAME); \
} while (0)
#endif
#define AFTER_GL_CALL do { \
AfterGLCall(MOZ_FUNCTION_NAME); \
} while (0)
#else
#ifdef MOZ_WIDGET_ANDROID
// Record the name of the GL call for better hang stacks on Android.
#define BEFORE_GL_CALL PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GRAPHICS)
#else
#define BEFORE_GL_CALL
#endif
#define AFTER_GL_CALL
#endif
class GLContext;
class GLLibraryEGL
{
public:
GLLibraryEGL()
: mInitialized(false),
mEGLLibrary(nullptr),
mEGLDisplay(EGL_NO_DISPLAY),
mIsANGLE(false),
mIsWARP(false)
{
ClearSymbols();
}
void ClearSymbols() {
mSymbols.fGetDisplay = nullptr;
mSymbols.fGetPlatformDisplayEXT = nullptr;
mSymbols.fTerminate = nullptr;
mSymbols.fGetCurrentSurface = nullptr;
mSymbols.fGetCurrentContext = nullptr;
mSymbols.fMakeCurrent = nullptr;
mSymbols.fDestroyContext = nullptr;
mSymbols.fCreateContext = nullptr;
mSymbols.fDestroySurface = nullptr;
mSymbols.fCreateWindowSurface = nullptr;
mSymbols.fCreatePbufferSurface = nullptr;
mSymbols.fCreatePixmapSurface = nullptr;
mSymbols.fBindAPI = nullptr;
mSymbols.fInitialize = nullptr;
mSymbols.fChooseConfig = nullptr;
mSymbols.fGetError = nullptr;
mSymbols.fGetConfigAttrib = nullptr;
mSymbols.fGetConfigs = nullptr;
mSymbols.fWaitNative = nullptr;
mSymbols.fGetProcAddress = nullptr;
mSymbols.fSwapBuffers = nullptr;
mSymbols.fCopyBuffers = nullptr;
mSymbols.fQueryString = nullptr;
mSymbols.fQueryStringImplementationANDROID = nullptr;
mSymbols.fQueryContext = nullptr;
mSymbols.fBindTexImage = nullptr;
mSymbols.fReleaseTexImage = nullptr;
mSymbols.fCreateImage = nullptr;
mSymbols.fDestroyImage = nullptr;
mSymbols.fLockSurface = nullptr;
mSymbols.fUnlockSurface = nullptr;
mSymbols.fQuerySurface = nullptr;
mSymbols.fQuerySurfacePointerANGLE = nullptr;
mSymbols.fCreateSync = nullptr;
mSymbols.fDestroySync = nullptr;
mSymbols.fClientWaitSync = nullptr;
mSymbols.fGetSyncAttrib = nullptr;
mSymbols.fDupNativeFenceFDANDROID = nullptr;
}
void InitClientExtensions();
void InitDisplayExtensions();
/**
* Known GL extensions that can be queried by
* IsExtensionSupported. The results of this are cached, and as
* such it's safe to use this even in performance critical code.
* If you add to this array, remember to add to the string names
* in GLContext.cpp.
*/
enum EGLExtensions {
KHR_image_base,
KHR_image_pixmap,
KHR_gl_texture_2D_image,
KHR_lock_surface,
ANGLE_surface_d3d_texture_2d_share_handle,
EXT_create_context_robustness,
KHR_image,
KHR_fence_sync,
ANDROID_native_fence_sync,
EGL_ANDROID_image_crop,
ANGLE_platform_angle,
ANGLE_platform_angle_d3d,
Extensions_Max
};
bool IsExtensionSupported(EGLExtensions aKnownExtension) const {
return mAvailableExtensions[aKnownExtension];
}
void MarkExtensionUnsupported(EGLExtensions aKnownExtension) {
mAvailableExtensions[aKnownExtension] = false;
}
protected:
std::bitset<Extensions_Max> mAvailableExtensions;
public:
EGLDisplay fGetDisplay(void* display_id)
{
BEFORE_GL_CALL;
EGLDisplay disp = mSymbols.fGetDisplay(display_id);
AFTER_GL_CALL;
return disp;
}
EGLDisplay fGetPlatformDisplayEXT(EGLenum platform, void* native_display, const EGLint* attrib_list)
{
BEFORE_GL_CALL;
EGLDisplay disp = mSymbols.fGetPlatformDisplayEXT(platform, native_display, attrib_list);
AFTER_GL_CALL;
return disp;
}
EGLBoolean fTerminate(EGLDisplay display)
{
BEFORE_GL_CALL;
EGLBoolean ret = mSymbols.fTerminate(display);
AFTER_GL_CALL;
return ret;
}
EGLSurface fGetCurrentSurface(EGLint id)
{
BEFORE_GL_CALL;
EGLSurface surf = mSymbols.fGetCurrentSurface(id);
AFTER_GL_CALL;
return surf;
}
EGLContext fGetCurrentContext()
{
BEFORE_GL_CALL;
EGLContext context = mSymbols.fGetCurrentContext();
AFTER_GL_CALL;
return context;
}
EGLBoolean fMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fMakeCurrent(dpy, draw, read, ctx);
AFTER_GL_CALL;
return b;
}
EGLBoolean fDestroyContext(EGLDisplay dpy, EGLContext ctx)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fDestroyContext(dpy, ctx);
AFTER_GL_CALL;
return b;
}
EGLContext fCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list)
{
BEFORE_GL_CALL;
EGLContext ctx = mSymbols.fCreateContext(dpy, config, share_context, attrib_list);
AFTER_GL_CALL;
return ctx;
}
EGLBoolean fDestroySurface(EGLDisplay dpy, EGLSurface surface)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fDestroySurface(dpy, surface);
AFTER_GL_CALL;
return b;
}
EGLSurface fCreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list)
{
BEFORE_GL_CALL;
EGLSurface surf = mSymbols.fCreateWindowSurface(dpy, config, win, attrib_list);
AFTER_GL_CALL;
return surf;
}
EGLSurface fCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
{
BEFORE_GL_CALL;
EGLSurface surf = mSymbols.fCreatePbufferSurface(dpy, config, attrib_list);
AFTER_GL_CALL;
return surf;
}
EGLSurface fCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list)
{
BEFORE_GL_CALL;
EGLSurface surf = mSymbols.fCreatePixmapSurface(dpy, config, pixmap, attrib_list);
AFTER_GL_CALL;
return surf;
}
EGLBoolean fBindAPI(EGLenum api)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fBindAPI(api);
AFTER_GL_CALL;
return b;
}
EGLBoolean fInitialize(EGLDisplay dpy, EGLint* major, EGLint* minor)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fInitialize(dpy, major, minor);
AFTER_GL_CALL;
return b;
}
EGLBoolean fChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fChooseConfig(dpy, attrib_list, configs, config_size, num_config);
AFTER_GL_CALL;
return b;
}
EGLint fGetError()
{
BEFORE_GL_CALL;
EGLint i = mSymbols.fGetError();
AFTER_GL_CALL;
return i;
}
EGLBoolean fGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fGetConfigAttrib(dpy, config, attribute, value);
AFTER_GL_CALL;
return b;
}
EGLBoolean fGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fGetConfigs(dpy, configs, config_size, num_config);
AFTER_GL_CALL;
return b;
}
EGLBoolean fWaitNative(EGLint engine)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fWaitNative(engine);
AFTER_GL_CALL;
return b;
}
EGLCastToRelevantPtr fGetProcAddress(const char *procname)
{
BEFORE_GL_CALL;
EGLCastToRelevantPtr p = mSymbols.fGetProcAddress(procname);
AFTER_GL_CALL;
return p;
}
EGLBoolean fSwapBuffers(EGLDisplay dpy, EGLSurface surface)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fSwapBuffers(dpy, surface);
AFTER_GL_CALL;
return b;
}
EGLBoolean fCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fCopyBuffers(dpy, surface, target);
AFTER_GL_CALL;
return b;
}
const GLubyte* fQueryString(EGLDisplay dpy, EGLint name)
{
BEFORE_GL_CALL;
const GLubyte* b;
if (mSymbols.fQueryStringImplementationANDROID) {
b = mSymbols.fQueryStringImplementationANDROID(dpy, name);
} else {
b = mSymbols.fQueryString(dpy, name);
}
AFTER_GL_CALL;
return b;
}
EGLBoolean fQueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fQueryContext(dpy, ctx, attribute, value);
AFTER_GL_CALL;
return b;
}
EGLBoolean fBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fBindTexImage(dpy, surface, buffer);
AFTER_GL_CALL;
return b;
}
EGLBoolean fReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fReleaseTexImage(dpy, surface, buffer);
AFTER_GL_CALL;
return b;
}
EGLImage fCreateImage(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
{
BEFORE_GL_CALL;
EGLImage i = mSymbols.fCreateImage(dpy, ctx, target, buffer, attrib_list);
AFTER_GL_CALL;
return i;
}
EGLBoolean fDestroyImage(EGLDisplay dpy, EGLImage image)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fDestroyImage(dpy, image);
AFTER_GL_CALL;
return b;
}
// New extension which allow us to lock texture and get raw image pointer
EGLBoolean fLockSurface(EGLDisplay dpy, EGLSurface surface, const EGLint *attrib_list)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fLockSurface(dpy, surface, attrib_list);
AFTER_GL_CALL;
return b;
}
EGLBoolean fUnlockSurface(EGLDisplay dpy, EGLSurface surface)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fUnlockSurface(dpy, surface);
AFTER_GL_CALL;
return b;
}
EGLBoolean fQuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fQuerySurface(dpy, surface, attribute, value);
AFTER_GL_CALL;
return b;
}
EGLBoolean fQuerySurfacePointerANGLE(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fQuerySurfacePointerANGLE(dpy, surface, attribute, value);
AFTER_GL_CALL;
return b;
}
EGLSync fCreateSync(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
{
BEFORE_GL_CALL;
EGLSync ret = mSymbols.fCreateSync(dpy, type, attrib_list);
AFTER_GL_CALL;
return ret;
}
EGLBoolean fDestroySync(EGLDisplay dpy, EGLSync sync)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fDestroySync(dpy, sync);
AFTER_GL_CALL;
return b;
}
EGLint fClientWaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout)
{
BEFORE_GL_CALL;
EGLint ret = mSymbols.fClientWaitSync(dpy, sync, flags, timeout);
AFTER_GL_CALL;
return ret;
}
EGLBoolean fGetSyncAttrib(EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLint *value)
{
BEFORE_GL_CALL;
EGLBoolean b = mSymbols.fGetSyncAttrib(dpy, sync, attribute, value);
AFTER_GL_CALL;
return b;
}
EGLint fDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSync sync)
{
MOZ_ASSERT(mSymbols.fDupNativeFenceFDANDROID);
BEFORE_GL_CALL;
EGLint ret = mSymbols.fDupNativeFenceFDANDROID(dpy, sync);
AFTER_GL_CALL;
return ret;
}
EGLDisplay Display() {
MOZ_ASSERT(mInitialized);
return mEGLDisplay;
}
bool IsANGLE() const {
MOZ_ASSERT(mInitialized);
return mIsANGLE;
}
bool IsWARP() const {
MOZ_ASSERT(mInitialized);
return mIsWARP;
}
bool HasKHRImageBase() {
return IsExtensionSupported(KHR_image) || IsExtensionSupported(KHR_image_base);
}
bool HasKHRImagePixmap() {
return IsExtensionSupported(KHR_image) || IsExtensionSupported(KHR_image_pixmap);
}
bool HasKHRImageTexture2D() {
return IsExtensionSupported(KHR_gl_texture_2D_image);
}
bool HasANGLESurfaceD3DTexture2DShareHandle() {
return IsExtensionSupported(ANGLE_surface_d3d_texture_2d_share_handle);
}
bool HasRobustness() const {
return IsExtensionSupported(EXT_create_context_robustness);
}
bool ReadbackEGLImage(EGLImage image, gfx::DataSourceSurface* out_surface);
bool EnsureInitialized(bool forceAccel, nsACString& aFailureId);
void DumpEGLConfig(EGLConfig cfg);
void DumpEGLConfigs();
struct {
typedef EGLDisplay (GLAPIENTRY * pfnGetDisplay)(void *display_id);
pfnGetDisplay fGetDisplay;
typedef EGLDisplay(GLAPIENTRY * pfnGetPlatformDisplayEXT)(EGLenum platform, void *native_display, const EGLint *attrib_list);
pfnGetPlatformDisplayEXT fGetPlatformDisplayEXT;
typedef EGLBoolean (GLAPIENTRY * pfnTerminate)(EGLDisplay dpy);
pfnTerminate fTerminate;
typedef EGLSurface (GLAPIENTRY * pfnGetCurrentSurface)(EGLint);
pfnGetCurrentSurface fGetCurrentSurface;
typedef EGLContext (GLAPIENTRY * pfnGetCurrentContext)(void);
pfnGetCurrentContext fGetCurrentContext;
typedef EGLBoolean (GLAPIENTRY * pfnMakeCurrent)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
pfnMakeCurrent fMakeCurrent;
typedef EGLBoolean (GLAPIENTRY * pfnDestroyContext)(EGLDisplay dpy, EGLContext ctx);
pfnDestroyContext fDestroyContext;
typedef EGLContext (GLAPIENTRY * pfnCreateContext)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
pfnCreateContext fCreateContext;
typedef EGLBoolean (GLAPIENTRY * pfnDestroySurface)(EGLDisplay dpy, EGLSurface surface);
pfnDestroySurface fDestroySurface;
typedef EGLSurface (GLAPIENTRY * pfnCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list);
pfnCreateWindowSurface fCreateWindowSurface;
typedef EGLSurface (GLAPIENTRY * pfnCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
pfnCreatePbufferSurface fCreatePbufferSurface;
typedef EGLSurface (GLAPIENTRY * pfnCreatePixmapSurface)(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list);
pfnCreatePixmapSurface fCreatePixmapSurface;
typedef EGLBoolean (GLAPIENTRY * pfnBindAPI)(EGLenum api);
pfnBindAPI fBindAPI;
typedef EGLBoolean (GLAPIENTRY * pfnInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor);
pfnInitialize fInitialize;
typedef EGLBoolean (GLAPIENTRY * pfnChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
pfnChooseConfig fChooseConfig;
typedef EGLint (GLAPIENTRY * pfnGetError)(void);
pfnGetError fGetError;
typedef EGLBoolean (GLAPIENTRY * pfnGetConfigAttrib)(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
pfnGetConfigAttrib fGetConfigAttrib;
typedef EGLBoolean (GLAPIENTRY * pfnGetConfigs)(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
pfnGetConfigs fGetConfigs;
typedef EGLBoolean (GLAPIENTRY * pfnWaitNative)(EGLint engine);
pfnWaitNative fWaitNative;
typedef EGLCastToRelevantPtr (GLAPIENTRY * pfnGetProcAddress)(const char *procname);
pfnGetProcAddress fGetProcAddress;
typedef EGLBoolean (GLAPIENTRY * pfnSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
pfnSwapBuffers fSwapBuffers;
typedef EGLBoolean (GLAPIENTRY * pfnCopyBuffers)(EGLDisplay dpy, EGLSurface surface,
EGLNativePixmapType target);
pfnCopyBuffers fCopyBuffers;
typedef const GLubyte* (GLAPIENTRY * pfnQueryString)(EGLDisplay, EGLint name);
pfnQueryString fQueryString;
pfnQueryString fQueryStringImplementationANDROID;
typedef EGLBoolean (GLAPIENTRY * pfnQueryContext)(EGLDisplay dpy, EGLContext ctx,
EGLint attribute, EGLint *value);
pfnQueryContext fQueryContext;
typedef EGLBoolean (GLAPIENTRY * pfnBindTexImage)(EGLDisplay, EGLSurface surface, EGLint buffer);
pfnBindTexImage fBindTexImage;
typedef EGLBoolean (GLAPIENTRY * pfnReleaseTexImage)(EGLDisplay, EGLSurface surface, EGLint buffer);
pfnReleaseTexImage fReleaseTexImage;
typedef EGLImage (GLAPIENTRY * pfnCreateImage)(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
pfnCreateImage fCreateImage;
typedef EGLBoolean (GLAPIENTRY * pfnDestroyImage)(EGLDisplay dpy, EGLImage image);
pfnDestroyImage fDestroyImage;
// New extension which allow us to lock texture and get raw image pointer
typedef EGLBoolean (GLAPIENTRY * pfnLockSurface)(EGLDisplay dpy, EGLSurface surface, const EGLint *attrib_list);
pfnLockSurface fLockSurface;
typedef EGLBoolean (GLAPIENTRY * pfnUnlockSurface)(EGLDisplay dpy, EGLSurface surface);
pfnUnlockSurface fUnlockSurface;
typedef EGLBoolean (GLAPIENTRY * pfnQuerySurface)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
pfnQuerySurface fQuerySurface;
typedef EGLBoolean (GLAPIENTRY * pfnQuerySurfacePointerANGLE)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value);
pfnQuerySurfacePointerANGLE fQuerySurfacePointerANGLE;
typedef EGLSync (GLAPIENTRY * pfnCreateSync)(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
pfnCreateSync fCreateSync;
typedef EGLBoolean (GLAPIENTRY * pfnDestroySync)(EGLDisplay dpy, EGLSync sync);
pfnDestroySync fDestroySync;
typedef EGLint (GLAPIENTRY * pfnClientWaitSync)(EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout);
pfnClientWaitSync fClientWaitSync;
typedef EGLBoolean (GLAPIENTRY * pfnGetSyncAttrib)(EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLint *value);
pfnGetSyncAttrib fGetSyncAttrib;
typedef EGLint (GLAPIENTRY * pfnDupNativeFenceFDANDROID)(EGLDisplay dpy, EGLSync sync);
pfnDupNativeFenceFDANDROID fDupNativeFenceFDANDROID;
} mSymbols;
#ifdef DEBUG
static void BeforeGLCall(const char* glFunction);
static void AfterGLCall(const char* glFunction);
#endif
#ifdef MOZ_B2G
EGLContext CachedCurrentContext() {
return sCurrentContext.get();
}
void UnsetCachedCurrentContext() {
sCurrentContext.set(nullptr);
}
void SetCachedCurrentContext(EGLContext aCtx) {
sCurrentContext.set(aCtx);
}
bool CachedCurrentContextMatches() {
return sCurrentContext.get() == fGetCurrentContext();
}
private:
static MOZ_THREAD_LOCAL(EGLContext) sCurrentContext;
public:
#else
EGLContext CachedCurrentContext() {
return nullptr;
}
void UnsetCachedCurrentContext() {}
void SetCachedCurrentContext(EGLContext aCtx) { }
bool CachedCurrentContextMatches() { return true; }
#endif
private:
bool mInitialized;
PRLibrary* mEGLLibrary;
EGLDisplay mEGLDisplay;
RefPtr<GLContext> mReadbackGL;
bool mIsANGLE;
bool mIsWARP;
static StaticMutex sMutex;
};
extern GLLibraryEGL sEGLLibrary;
#define EGL_DISPLAY() sEGLLibrary.Display()
} /* namespace gl */
} /* namespace mozilla */
#endif /* GLLIBRARYEGL_H_ */