gecko-dev/gfx/gl/GLXLibrary.h

274 строки
12 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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"
typedef realGLboolean GLboolean;
// stuff from glx.h
#include "X11/Xlib.h"
typedef struct __GLXcontextRec* GLXContext;
typedef XID GLXPixmap;
typedef XID GLXDrawable;
/* GLX 1.3 and later */
typedef struct __GLXFBConfigRec* GLXFBConfig;
typedef XID GLXFBConfigID;
typedef XID GLXContextID;
typedef XID GLXWindow;
typedef XID GLXPbuffer;
// end of stuff from glx.h
#include "prenv.h"
struct PRLibrary;
class gfxASurface;
namespace mozilla {
namespace gl {
class GLXLibrary
{
public:
constexpr GLXLibrary()
: xDestroyContextInternal(nullptr)
, xMakeCurrentInternal(nullptr)
, xGetCurrentContextInternal(nullptr)
, xGetProcAddressInternal(nullptr)
, xChooseFBConfigInternal(nullptr)
, xGetFBConfigsInternal(nullptr)
, xCreateNewContextInternal(nullptr)
, xGetFBConfigAttribInternal(nullptr)
, xSwapBuffersInternal(nullptr)
, xQueryExtensionsStringInternal(nullptr)
, xGetClientStringInternal(nullptr)
, xQueryServerStringInternal(nullptr)
, xCreatePixmapInternal(nullptr)
, xCreateGLXPixmapWithConfigInternal(nullptr)
, xDestroyPixmapInternal(nullptr)
, xQueryVersionInternal(nullptr)
, xBindTexImageInternal(nullptr)
, xReleaseTexImageInternal(nullptr)
, xWaitGLInternal(nullptr)
, xWaitXInternal(nullptr)
, xCreateContextAttribsInternal(nullptr)
, xGetVideoSyncInternal(nullptr)
, xWaitVideoSyncInternal(nullptr)
, xSwapIntervalInternal(nullptr)
, mInitialized(false), mTriedInitializing(false)
, mUseTextureFromPixmap(false), mDebug(false)
, mHasRobustness(false), mHasCreateContextAttribs(false)
, mHasVideoSync(false)
, mIsATI(false), mIsNVIDIA(false)
, mClientIsMesa(false), mGLXMajorVersion(0)
, mGLXMinorVersion(0)
, mOGLLibrary(nullptr)
{}
void xDestroyContext(Display* display, GLXContext context);
Bool xMakeCurrent(Display* display,
GLXDrawable drawable,
GLXContext context);
GLXContext xGetCurrentContext();
static void* xGetProcAddress(const char* procName);
GLXFBConfig* xChooseFBConfig(Display* display,
int screen,
const int* attrib_list,
int* nelements);
GLXFBConfig* xGetFBConfigs(Display* display,
int screen,
int* nelements);
GLXContext xCreateNewContext(Display* display,
GLXFBConfig config,
int render_type,
GLXContext share_list,
Bool direct);
int xGetFBConfigAttrib(Display* display,
GLXFBConfig config,
int attribute,
int* value);
void xSwapBuffers(Display* display, GLXDrawable drawable);
const char* xQueryExtensionsString(Display* display,
int screen);
const char* xGetClientString(Display* display,
int screen);
const char* xQueryServerString(Display* display,
int screen, int name);
GLXPixmap xCreatePixmap(Display* display,
GLXFBConfig config,
Pixmap pixmap,
const int* attrib_list);
GLXPixmap xCreateGLXPixmapWithConfig(Display* display,
GLXFBConfig config,
Pixmap pixmap);
void xDestroyPixmap(Display* display, GLXPixmap pixmap);
Bool xQueryVersion(Display* display,
int* major,
int* minor);
void xBindTexImage(Display* display,
GLXDrawable drawable,
int buffer,
const int* attrib_list);
void xReleaseTexImage(Display* display,
GLXDrawable drawable,
int buffer);
void xWaitGL();
void xWaitX();
GLXContext xCreateContextAttribs(Display* display,
GLXFBConfig config,
GLXContext share_list,
Bool direct,
const int* attrib_list);
int xGetVideoSync(unsigned int* count);
int xWaitVideoSync(int divisor, int remainder, unsigned int* count);
void xSwapInterval(Display* dpy, GLXDrawable drawable, int interval);
bool EnsureInitialized();
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 HasCreateContextAttribs() { return mHasCreateContextAttribs; }
bool SupportsTextureFromPixmap(gfxASurface* aSurface);
bool SupportsVideoSync();
bool SupportsSwapControl() const { return bool(xSwapIntervalInternal); }
bool IsATI() { return mIsATI; }
bool GLXVersionCheck(int aMajor, int aMinor);
private:
typedef void (GLAPIENTRY * PFNGLXDESTROYCONTEXTPROC) (Display*,
GLXContext);
PFNGLXDESTROYCONTEXTPROC xDestroyContextInternal;
typedef Bool (GLAPIENTRY * PFNGLXMAKECURRENTPROC) (Display*,
GLXDrawable,
GLXContext);
PFNGLXMAKECURRENTPROC xMakeCurrentInternal;
typedef GLXContext (GLAPIENTRY * PFNGLXGETCURRENTCONTEXT) ();
PFNGLXGETCURRENTCONTEXT xGetCurrentContextInternal;
typedef void* (GLAPIENTRY * PFNGLXGETPROCADDRESSPROC) (const char*);
PFNGLXGETPROCADDRESSPROC xGetProcAddressInternal;
typedef GLXFBConfig* (GLAPIENTRY * PFNGLXCHOOSEFBCONFIG) (Display*,
int,
const int*,
int*);
PFNGLXCHOOSEFBCONFIG xChooseFBConfigInternal;
typedef GLXFBConfig* (GLAPIENTRY * PFNGLXGETFBCONFIGS) (Display*,
int,
int*);
PFNGLXGETFBCONFIGS xGetFBConfigsInternal;
typedef GLXContext (GLAPIENTRY * PFNGLXCREATENEWCONTEXT) (Display*,
GLXFBConfig,
int,
GLXContext,
Bool);
PFNGLXCREATENEWCONTEXT xCreateNewContextInternal;
typedef int (GLAPIENTRY * PFNGLXGETFBCONFIGATTRIB) (Display*,
GLXFBConfig,
int,
int*);
PFNGLXGETFBCONFIGATTRIB xGetFBConfigAttribInternal;
typedef void (GLAPIENTRY * PFNGLXSWAPBUFFERS) (Display*,
GLXDrawable);
PFNGLXSWAPBUFFERS xSwapBuffersInternal;
typedef const char* (GLAPIENTRY * PFNGLXQUERYEXTENSIONSSTRING) (Display*,
int);
PFNGLXQUERYEXTENSIONSSTRING xQueryExtensionsStringInternal;
typedef const char* (GLAPIENTRY * PFNGLXGETCLIENTSTRING) (Display*,
int);
PFNGLXGETCLIENTSTRING xGetClientStringInternal;
typedef const char* (GLAPIENTRY * PFNGLXQUERYSERVERSTRING) (Display*,
int,
int);
PFNGLXQUERYSERVERSTRING xQueryServerStringInternal;
typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEPIXMAP) (Display*,
GLXFBConfig,
Pixmap,
const int*);
PFNGLXCREATEPIXMAP xCreatePixmapInternal;
typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEGLXPIXMAPWITHCONFIG)
(Display*,
GLXFBConfig,
Pixmap);
PFNGLXCREATEGLXPIXMAPWITHCONFIG xCreateGLXPixmapWithConfigInternal;
typedef void (GLAPIENTRY * PFNGLXDESTROYPIXMAP) (Display*,
GLXPixmap);
PFNGLXDESTROYPIXMAP xDestroyPixmapInternal;
typedef Bool (GLAPIENTRY * PFNGLXQUERYVERSION) (Display*,
int*,
int*);
PFNGLXQUERYVERSION xQueryVersionInternal;
typedef void (GLAPIENTRY * PFNGLXBINDTEXIMAGE) (Display*,
GLXDrawable,
int,
const int*);
PFNGLXBINDTEXIMAGE xBindTexImageInternal;
typedef void (GLAPIENTRY * PFNGLXRELEASETEXIMAGE) (Display*,
GLXDrawable,
int);
PFNGLXRELEASETEXIMAGE xReleaseTexImageInternal;
typedef void (GLAPIENTRY * PFNGLXWAITGL) ();
PFNGLXWAITGL xWaitGLInternal;
typedef void (GLAPIENTRY * PFNGLXWAITX) ();
PFNGLXWAITGL xWaitXInternal;
typedef GLXContext (GLAPIENTRY * PFNGLXCREATECONTEXTATTRIBS) (Display*,
GLXFBConfig,
GLXContext,
Bool,
const int*);
PFNGLXCREATECONTEXTATTRIBS xCreateContextAttribsInternal;
typedef int (GLAPIENTRY * PFNGLXGETVIDEOSYNCSGI) (unsigned int* count);
PFNGLXGETVIDEOSYNCSGI xGetVideoSyncInternal;
typedef int (GLAPIENTRY * PFNGLXWAITVIDEOSYNCSGI) (int divisor, int remainder, unsigned int* count);
PFNGLXWAITVIDEOSYNCSGI xWaitVideoSyncInternal;
typedef void (GLAPIENTRY * PFNGLXSWAPINTERVALEXT) (Display* dpy, GLXDrawable drawable, int interval);
PFNGLXSWAPINTERVALEXT xSwapIntervalInternal;
#ifdef DEBUG
void BeforeGLXCall();
void AfterGLXCall();
#endif
bool mInitialized;
bool mTriedInitializing;
bool mUseTextureFromPixmap;
bool mDebug;
bool mHasRobustness;
bool mHasCreateContextAttribs;
bool mHasVideoSync;
bool mIsATI;
bool mIsNVIDIA;
bool mClientIsMesa;
int mGLXMajorVersion;
int mGLXMinorVersion;
PRLibrary* mOGLLibrary;
};
// a global GLXLibrary instance
extern GLXLibrary sGLXLibrary;
} /* namespace gl */
} /* namespace mozilla */
#endif /* GFX_GLXLIBRARY_H */