зеркало из https://github.com/mozilla/gecko-dev.git
254 строки
9.4 KiB
C++
254 строки
9.4 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 "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();
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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,
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GLXContext context) const
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WRAP(fMakeCurrent(display, drawable, context))
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XVisualInfo* fGetConfig(Display* display, XVisualInfo* info,
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int attrib, int* value) const
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WRAP(fGetConfig(display, info, attrib, value))
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GLXContext fGetCurrentContext() const WRAP(fGetCurrentContext())
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GLXFBConfig* fChooseFBConfig(Display* display, int screen,
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const int* attrib_list,
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int* nelements) const
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WRAP(fChooseFBConfig(display, screen, attrib_list, nelements))
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XVisualInfo* fChooseVisual(Display* display, int screen,
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int* attrib_list) const
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WRAP(fChooseVisual(display, screen, attrib_list))
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GLXFBConfig* fGetFBConfigs(Display* display, int screen,
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int* nelements) const
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WRAP(fGetFBConfigs(display, screen, nelements))
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GLXContext
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fCreateNewContext(Display* display, GLXFBConfig config, int render_type,
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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,
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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
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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,
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Pixmap pixmap, const int* attrib_list) const
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WRAP(fCreatePixmap(display, config, pixmap, attrib_list))
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GLXPixmap
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fCreateGLXPixmapWithConfig(Display* display, GLXFBConfig config,
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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,
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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,
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int buffer) const
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VOID_WRAP(fReleaseTexImageEXT(display, drawable, buffer))
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void fWaitGL() const VOID_WRAP(fWaitGL())
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void fWaitX() const VOID_WRAP(fWaitX())
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GLXContext
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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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WRAP(fCreateContextAttribsARB(display, config, share_list, direct,
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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,
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unsigned int* count) const
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WRAP(fWaitVideoSyncSGI(divisor, remainder, count))
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void fSwapInterval(Display* dpy, GLXDrawable drawable,
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int interval) const
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VOID_WRAP(fSwapIntervalEXT(dpy, drawable, interval))
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int fQueryDrawable(Display* dpy, GLXDrawable drawable, int attribute,
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unsigned int* value) const
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WRAP(fQueryDrawable(dpy, drawable, attribute, value))
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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 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();
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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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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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#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 = false;
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bool mTriedInitializing = false;
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bool mUseTextureFromPixmap = 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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};
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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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