зеркало из https://github.com/mozilla/gecko-dev.git
232 строки
8.5 KiB
C++
232 строки
8.5 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 "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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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 GLXLibrary
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{
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public:
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GLXLibrary()
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: mSymbols{nullptr}
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, mInitialized(false)
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, mTriedInitializing(false)
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, mUseTextureFromPixmap(false)
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, mDebug(false)
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, mHasRobustness(false)
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, mHasCreateContextAttribs(false)
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, mHasVideoSync(false)
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, mIsATI(false), mIsNVIDIA(false)
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, mClientIsMesa(false)
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, mOGLLibrary(nullptr)
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{}
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bool EnsureInitialized();
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private:
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void BeforeGLXCall() const;
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void AfterGLXCall() const;
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public:
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#ifdef DEBUG
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#define BEFORE_CALL BeforeGLXCall();
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#define AFTER_CALL AfterGLXCall();
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#else
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#define BEFORE_CALL
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#define AFTER_CALL
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#endif
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#define WRAP(X) \
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{ \
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BEFORE_CALL \
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const auto ret = mSymbols. X ; \
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AFTER_CALL \
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return ret; \
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}
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#define VOID_WRAP(X) \
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{ \
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BEFORE_CALL \
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mSymbols. X ; \
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AFTER_CALL \
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}
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void fDestroyContext(Display* display, GLXContext context) const
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VOID_WRAP( fDestroyContext(display, context) )
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Bool fMakeCurrent(Display* display, GLXDrawable drawable, GLXContext context) const
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WRAP( fMakeCurrent(display, drawable, context) )
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GLXContext fGetCurrentContext() const
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WRAP( fGetCurrentContext() )
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GLXFBConfig* fChooseFBConfig(Display* display, int screen, const int* attrib_list, int* nelements) const
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WRAP( fChooseFBConfig(display, screen, attrib_list, nelements) )
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GLXFBConfig* fGetFBConfigs(Display* display, int screen, int* nelements) const
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WRAP( fGetFBConfigs(display, screen, nelements) )
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GLXContext fCreateNewContext(Display* display, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct) const
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WRAP( fCreateNewContext(display, config, render_type, share_list, direct) )
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int fGetFBConfigAttrib(Display* display, GLXFBConfig config, int attribute, int* value) const
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WRAP( fGetFBConfigAttrib(display, config, attribute, value) )
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void fSwapBuffers(Display* display, GLXDrawable drawable) const
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VOID_WRAP( fSwapBuffers(display, drawable) )
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const char* fQueryExtensionsString(Display* display, int screen) const
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WRAP( fQueryExtensionsString(display, screen) )
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const char* fGetClientString(Display* display, int screen) const
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WRAP( fGetClientString(display, screen) )
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const char* fQueryServerString(Display* display, int screen, int name) const
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WRAP( fQueryServerString(display, screen, name) )
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GLXPixmap fCreatePixmap(Display* display, GLXFBConfig config, Pixmap pixmap, const int* attrib_list) const
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WRAP( fCreatePixmap(display, config, pixmap, attrib_list) )
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GLXPixmap fCreateGLXPixmapWithConfig(Display* display, GLXFBConfig config, Pixmap pixmap) const
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WRAP( fCreateGLXPixmapWithConfig(display, config, pixmap) )
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void fDestroyPixmap(Display* display, GLXPixmap pixmap) const
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VOID_WRAP( fDestroyPixmap(display, pixmap) )
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Bool fQueryVersion(Display* display, int* major, int* minor) const
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WRAP( fQueryVersion(display, major, minor) )
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void fBindTexImage(Display* display, GLXDrawable drawable, int buffer, const int* attrib_list) const
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VOID_WRAP( fBindTexImageEXT(display, drawable, buffer, attrib_list) )
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void fReleaseTexImage(Display* display, GLXDrawable drawable, int buffer) const
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VOID_WRAP( fReleaseTexImageEXT(display, drawable, buffer) )
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void fWaitGL() const
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VOID_WRAP( fWaitGL() )
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void fWaitX() const
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VOID_WRAP( fWaitX() )
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GLXContext fCreateContextAttribs(Display* display, GLXFBConfig config, GLXContext share_list, Bool direct, const int* attrib_list) const
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WRAP( fCreateContextAttribsARB(display, config, share_list, direct, attrib_list) )
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int fGetVideoSync(unsigned int* count) const
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WRAP( fGetVideoSyncSGI(count) )
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int fWaitVideoSync(int divisor, int remainder, unsigned int* count) const
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WRAP( fWaitVideoSyncSGI(divisor, remainder, count) )
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void fSwapInterval(Display* dpy, GLXDrawable drawable, int interval) const
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VOID_WRAP( fSwapIntervalEXT(dpy, drawable, interval) )
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#undef WRAP
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#undef VOID_WRAP
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#undef BEFORE_CALL
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#undef AFTER_CALL
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////
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GLXPixmap CreatePixmap(gfxASurface* aSurface);
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void DestroyPixmap(Display* aDisplay, GLXPixmap aPixmap);
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void BindTexImage(Display* aDisplay, GLXPixmap aPixmap);
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void ReleaseTexImage(Display* aDisplay, GLXPixmap aPixmap);
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void UpdateTexImage(Display* aDisplay, GLXPixmap aPixmap);
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////
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bool UseTextureFromPixmap() { return mUseTextureFromPixmap; }
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bool HasRobustness() { return mHasRobustness; }
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bool HasCreateContextAttribs() { return mHasCreateContextAttribs; }
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bool SupportsTextureFromPixmap(gfxASurface* aSurface);
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bool SupportsVideoSync();
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bool SupportsSwapControl() const { return bool(mSymbols.fSwapIntervalEXT); }
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bool IsATI() { return mIsATI; }
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bool IsMesa() { return mClientIsMesa; }
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PRFuncPtr GetGetProcAddress() const {
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return (PRFuncPtr)mSymbols.fGetProcAddress;
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}
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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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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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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,
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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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} mSymbols;
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#ifdef DEBUG
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void BeforeGLXCall();
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void AfterGLXCall();
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#endif
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bool mInitialized;
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bool mTriedInitializing;
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bool mUseTextureFromPixmap;
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bool mDebug;
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bool mHasRobustness;
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bool mHasCreateContextAttribs;
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bool mHasVideoSync;
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bool mIsATI;
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bool mIsNVIDIA;
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bool mClientIsMesa;
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PRLibrary* mOGLLibrary;
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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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