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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 "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();
private:
void BeforeGLXCall() const;
void AfterGLXCall() const;
public:
#ifdef DEBUG
# define BEFORE_CALL BeforeGLXCall();
# define AFTER_CALL AfterGLXCall();
#else
# define BEFORE_CALL
# define AFTER_CALL
#endif
#define WRAP(X) \
{ \
BEFORE_CALL \
const auto ret = mSymbols.X; \
AFTER_CALL \
return ret; \
}
#define VOID_WRAP(X) \
{ \
BEFORE_CALL \
mSymbols.X; \
AFTER_CALL \
}
void fDestroyContext(Display* display, GLXContext context) const
VOID_WRAP(fDestroyContext(display, context))
Bool fMakeCurrent(Display* display, GLXDrawable drawable,
GLXContext context) const
WRAP(fMakeCurrent(display, drawable, context))
XVisualInfo* fGetConfig(Display* display, XVisualInfo* info,
int attrib, int* value) const
WRAP(fGetConfig(display, info, attrib, value))
GLXContext fGetCurrentContext() const WRAP(fGetCurrentContext())
GLXFBConfig* fChooseFBConfig(Display* display, int screen,
const int* attrib_list,
int* nelements) const
WRAP(fChooseFBConfig(display, screen, attrib_list, nelements))
XVisualInfo* fChooseVisual(Display* display, int screen,
int* attrib_list) const
WRAP(fChooseVisual(display, screen, attrib_list))
GLXFBConfig* fGetFBConfigs(Display* display, int screen,
int* nelements) const
WRAP(fGetFBConfigs(display, screen, nelements))
GLXContext
fCreateNewContext(Display* display, GLXFBConfig config, int render_type,
GLXContext share_list, Bool direct) const
WRAP(fCreateNewContext(display, config, render_type, share_list, direct))
int fGetFBConfigAttrib(Display* display, GLXFBConfig config,
int attribute, int* value) const
WRAP(fGetFBConfigAttrib(display, config, attribute, value))
void fSwapBuffers(Display* display, GLXDrawable drawable) const
VOID_WRAP(fSwapBuffers(display, drawable))
const char* fQueryExtensionsString(Display* display, int screen) const
WRAP(fQueryExtensionsString(display, screen))
const char* fGetClientString(Display* display, int screen) const
WRAP(fGetClientString(display, screen))
const
char* fQueryServerString(Display* display, int screen, int name) const
WRAP(fQueryServerString(display, screen, name))
GLXPixmap fCreatePixmap(Display* display, GLXFBConfig config,
Pixmap pixmap, const int* attrib_list) const
WRAP(fCreatePixmap(display, config, pixmap, attrib_list))
GLXPixmap
fCreateGLXPixmapWithConfig(Display* display, GLXFBConfig config,
Pixmap pixmap) const
WRAP(fCreateGLXPixmapWithConfig(display, config, pixmap))
void fDestroyPixmap(Display* display, GLXPixmap pixmap) const
VOID_WRAP(fDestroyPixmap(display, pixmap))
Bool fQueryVersion(Display* display, int* major, int* minor) const
WRAP(fQueryVersion(display, major, minor))
void fBindTexImage(Display* display, GLXDrawable drawable, int buffer,
const int* attrib_list) const
VOID_WRAP(fBindTexImageEXT(display, drawable, buffer, attrib_list))
void fReleaseTexImage(Display* display, GLXDrawable drawable,
int buffer) const
VOID_WRAP(fReleaseTexImageEXT(display, drawable, buffer))
void fWaitGL() const VOID_WRAP(fWaitGL())
void fWaitX() const VOID_WRAP(fWaitX())
GLXContext
fCreateContextAttribs(Display* display, GLXFBConfig config,
GLXContext share_list, Bool direct,
const int* attrib_list) const
WRAP(fCreateContextAttribsARB(display, config, share_list, direct,
attrib_list))
int fGetVideoSync(unsigned int* count) const
WRAP(fGetVideoSyncSGI(count))
int fWaitVideoSync(int divisor, int remainder,
unsigned int* count) const
WRAP(fWaitVideoSyncSGI(divisor, remainder, count))
void fSwapInterval(Display* dpy, GLXDrawable drawable,
int interval) const
VOID_WRAP(fSwapIntervalEXT(dpy, drawable, interval))
int fQueryDrawable(Display* dpy, GLXDrawable drawable, int attribute,
unsigned int* value) const
WRAP(fQueryDrawable(dpy, drawable, attribute, value))
#undef WRAP
#undef VOID_WRAP
#undef BEFORE_CALL
#undef AFTER_CALL
////
GLXPixmap CreatePixmap(gfxASurface* aSurface);
void DestroyPixmap(Display* aDisplay, GLXPixmap aPixmap);
void BindTexImage(Display* aDisplay, GLXPixmap aPixmap);
void ReleaseTexImage(Display* aDisplay, GLXPixmap aPixmap);
void UpdateTexImage(Display* aDisplay, GLXPixmap aPixmap);
////
bool UseTextureFromPixmap() { return mUseTextureFromPixmap; }
bool HasRobustness() { return mHasRobustness; }
bool HasVideoMemoryPurge() { return mHasVideoMemoryPurge; }
bool HasCreateContextAttribs() { return mHasCreateContextAttribs; }
bool SupportsTextureFromPixmap(gfxASurface* aSurface);
bool SupportsVideoSync();
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; }
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 = {};
#ifdef DEBUG
void BeforeGLXCall();
void AfterGLXCall();
#endif
bool mInitialized = false;
bool mTriedInitializing = false;
bool mUseTextureFromPixmap = 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;
};
// a global GLXLibrary instance
extern GLXLibrary sGLXLibrary;
} /* namespace gl */
} /* namespace mozilla */
#endif /* GFX_GLXLIBRARY_H */
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