Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 284 insertions, 0 deletions

diff --git a/gfx/gl/GLXLibrary.h b/gfx/gl/GLXLibrary.h
new file mode 100644
index 0000000000..7a004762ff
--- /dev/null
+++ b/gfx/gl/GLXLibrary.h
@@ -0,0 +1,284 @@
+/* -*- 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 */