mirror of
https://github.com/mozilla/gecko-dev.git
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285 lines
9.9 KiB
C++
285 lines
9.9 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 GFX_GLXLIBRARY_H
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#define GFX_GLXLIBRARY_H
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#include "GLContextTypes.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/DataMutex.h"
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#include "mozilla/gfx/XlibDisplay.h"
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#include "prlink.h"
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typedef realGLboolean GLboolean;
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// stuff from glx.h
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#include "X11/Xlib.h"
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#include "X11/Xutil.h" // for XVisualInfo
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#include "X11UndefineNone.h"
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typedef struct __GLXcontextRec* GLXContext;
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typedef XID GLXPixmap;
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typedef XID GLXDrawable;
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/* GLX 1.3 and later */
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typedef struct __GLXFBConfigRec* GLXFBConfig;
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// end of stuff from glx.h
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#include "prenv.h"
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struct PRLibrary;
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class gfxASurface;
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namespace mozilla {
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namespace gl {
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class GLContextGLX;
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class GLXLibrary final {
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public:
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bool EnsureInitialized(Display* aDisplay);
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private:
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class WrapperScope final {
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const GLXLibrary& mGlx;
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const char* const mFuncName;
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Display* const mDisplay;
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public:
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WrapperScope(const GLXLibrary& glx, const char* const funcName,
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Display* aDisplay);
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~WrapperScope();
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};
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public:
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#ifdef DEBUG
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# define DECL_WRAPPER_SCOPE(display) \
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const WrapperScope wrapperScope(*this, __func__, display);
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#else
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# define DECL_WRAPPER_SCOPE(display)
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#endif
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void fDestroyContext(Display* display, GLXContext context) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fDestroyContext(display, context);
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}
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Bool fMakeCurrent(Display* display, GLXDrawable drawable,
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GLXContext context) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fMakeCurrent(display, drawable, context);
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}
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XVisualInfo* fGetConfig(Display* display, XVisualInfo* info, int attrib,
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int* value) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fGetConfig(display, info, attrib, value);
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}
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GLXContext fGetCurrentContext() const {
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DECL_WRAPPER_SCOPE(nullptr)
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return mSymbols.fGetCurrentContext();
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}
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GLXFBConfig* fChooseFBConfig(Display* display, int screen,
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const int* attrib_list, int* nelements) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fChooseFBConfig(display, screen, attrib_list, nelements);
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}
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XVisualInfo* fChooseVisual(Display* display, int screen,
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int* attrib_list) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fChooseVisual(display, screen, attrib_list);
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}
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GLXFBConfig* fGetFBConfigs(Display* display, int screen,
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int* nelements) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fGetFBConfigs(display, screen, nelements);
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}
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GLXContext fCreateNewContext(Display* display, GLXFBConfig config,
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int render_type, GLXContext share_list,
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Bool direct) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fCreateNewContext(display, config, render_type, share_list,
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direct);
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}
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int fGetFBConfigAttrib(Display* display, GLXFBConfig config, int attribute,
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int* value) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fGetFBConfigAttrib(display, config, attribute, value);
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}
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void fSwapBuffers(Display* display, GLXDrawable drawable) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fSwapBuffers(display, drawable);
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}
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const char* fQueryExtensionsString(Display* display, int screen) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fQueryExtensionsString(display, screen);
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}
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const char* fGetClientString(Display* display, int screen) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fGetClientString(display, screen);
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}
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const char* fQueryServerString(Display* display, int screen, int name) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fQueryServerString(display, screen, name);
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}
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GLXPixmap fCreatePixmap(Display* display, GLXFBConfig config, Pixmap pixmap,
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const int* attrib_list) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fCreatePixmap(display, config, pixmap, attrib_list);
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}
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GLXPixmap fCreateGLXPixmapWithConfig(Display* display, GLXFBConfig config,
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Pixmap pixmap) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fCreateGLXPixmapWithConfig(display, config, pixmap);
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}
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void fDestroyPixmap(Display* display, GLXPixmap pixmap) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fDestroyPixmap(display, pixmap);
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}
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Bool fQueryVersion(Display* display, int* major, int* minor) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fQueryVersion(display, major, minor);
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}
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void fBindTexImage(Display* display, GLXDrawable drawable, int buffer,
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const int* attrib_list) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fBindTexImageEXT(display, drawable, buffer, attrib_list);
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}
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void fReleaseTexImage(Display* display, GLXDrawable drawable,
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int buffer) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fReleaseTexImageEXT(display, drawable, buffer);
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}
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void fWaitGL() const {
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DECL_WRAPPER_SCOPE(nullptr)
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return mSymbols.fWaitGL();
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}
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void fWaitX() const {
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DECL_WRAPPER_SCOPE(nullptr)
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return mSymbols.fWaitX();
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}
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GLXContext fCreateContextAttribs(Display* display, GLXFBConfig config,
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GLXContext share_list, Bool direct,
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const int* attrib_list) const {
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DECL_WRAPPER_SCOPE(display)
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return mSymbols.fCreateContextAttribsARB(display, config, share_list,
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direct, attrib_list);
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}
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int fGetVideoSync(unsigned int* count) const {
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DECL_WRAPPER_SCOPE(nullptr)
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return mSymbols.fGetVideoSyncSGI(count);
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}
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int fWaitVideoSync(int divisor, int remainder, unsigned int* count) const {
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DECL_WRAPPER_SCOPE(nullptr)
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return mSymbols.fWaitVideoSyncSGI(divisor, remainder, count);
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}
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void fSwapInterval(Display* dpy, GLXDrawable drawable, int interval) const {
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DECL_WRAPPER_SCOPE(dpy)
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return mSymbols.fSwapIntervalEXT(dpy, drawable, interval);
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}
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int fQueryDrawable(Display* dpy, GLXDrawable drawable, int attribute,
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unsigned int* value) const {
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DECL_WRAPPER_SCOPE(dpy)
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return mSymbols.fQueryDrawable(dpy, drawable, attribute, value);
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}
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#undef DECL_WRAPPER_SCOPE
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////
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bool HasRobustness() { return mHasRobustness; }
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bool HasVideoMemoryPurge() { return mHasVideoMemoryPurge; }
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bool HasCreateContextAttribs() { return mHasCreateContextAttribs; }
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bool SupportsTextureFromPixmap(gfxASurface* aSurface);
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bool SupportsVideoSync(Display* aDisplay);
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bool SupportsSwapControl() const { return bool(mSymbols.fSwapIntervalEXT); }
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bool SupportsBufferAge() const {
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MOZ_ASSERT(mInitialized);
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return mHasBufferAge;
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}
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bool IsATI() { return mIsATI; }
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bool IsMesa() { return mClientIsMesa; }
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auto GetGetProcAddress() const { return mSymbols.fGetProcAddress; }
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std::shared_ptr<gfx::XlibDisplay> GetDisplay();
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private:
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struct {
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void(GLAPIENTRY* fDestroyContext)(Display*, GLXContext);
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Bool(GLAPIENTRY* fMakeCurrent)(Display*, GLXDrawable, GLXContext);
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XVisualInfo*(GLAPIENTRY* fGetConfig)(Display*, XVisualInfo*, int, int*);
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GLXContext(GLAPIENTRY* fGetCurrentContext)();
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void*(GLAPIENTRY* fGetProcAddress)(const char*);
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GLXFBConfig*(GLAPIENTRY* fChooseFBConfig)(Display*, int, const int*, int*);
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XVisualInfo*(GLAPIENTRY* fChooseVisual)(Display*, int, const int*);
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GLXFBConfig*(GLAPIENTRY* fGetFBConfigs)(Display*, int, int*);
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GLXContext(GLAPIENTRY* fCreateNewContext)(Display*, GLXFBConfig, int,
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GLXContext, Bool);
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int(GLAPIENTRY* fGetFBConfigAttrib)(Display*, GLXFBConfig, int, int*);
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void(GLAPIENTRY* fSwapBuffers)(Display*, GLXDrawable);
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const char*(GLAPIENTRY* fQueryExtensionsString)(Display*, int);
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const char*(GLAPIENTRY* fGetClientString)(Display*, int);
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const char*(GLAPIENTRY* fQueryServerString)(Display*, int, int);
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GLXPixmap(GLAPIENTRY* fCreatePixmap)(Display*, GLXFBConfig, Pixmap,
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const int*);
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GLXPixmap(GLAPIENTRY* fCreateGLXPixmapWithConfig)(Display*, GLXFBConfig,
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Pixmap);
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void(GLAPIENTRY* fDestroyPixmap)(Display*, GLXPixmap);
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Bool(GLAPIENTRY* fQueryVersion)(Display*, int*, int*);
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void(GLAPIENTRY* fWaitGL)();
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void(GLAPIENTRY* fWaitX)();
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void(GLAPIENTRY* fBindTexImageEXT)(Display*, GLXDrawable, int, const int*);
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void(GLAPIENTRY* fReleaseTexImageEXT)(Display*, GLXDrawable, int);
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GLXContext(GLAPIENTRY* fCreateContextAttribsARB)(Display*, GLXFBConfig,
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GLXContext, Bool,
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const int*);
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int(GLAPIENTRY* fGetVideoSyncSGI)(unsigned int*);
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int(GLAPIENTRY* fWaitVideoSyncSGI)(int, int, unsigned int*);
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void(GLAPIENTRY* fSwapIntervalEXT)(Display*, GLXDrawable, int);
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int(GLAPIENTRY* fQueryDrawable)(Display*, GLXDrawable, int, unsigned int*);
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} mSymbols = {};
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bool mInitialized = false;
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bool mTriedInitializing = false;
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bool mDebug = false;
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bool mHasRobustness = false;
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bool mHasVideoMemoryPurge = false;
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bool mHasCreateContextAttribs = false;
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bool mHasVideoSync = false;
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bool mHasBufferAge = false;
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bool mIsATI = false;
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bool mIsNVIDIA = false;
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bool mClientIsMesa = false;
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PRLibrary* mOGLLibrary = nullptr;
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StaticDataMutex<std::weak_ptr<gfx::XlibDisplay>> mOwnDisplay{
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"GLXLibrary::mOwnDisplay"};
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};
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// a global GLXLibrary instance
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extern GLXLibrary sGLXLibrary;
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} /* namespace gl */
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} /* namespace mozilla */
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#endif /* GFX_GLXLIBRARY_H */
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