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