1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/gl/WGLLibrary.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,93 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "GLContextTypes.h"
1.10 +#include <windows.h>
1.11 +
1.12 +struct PRLibrary;
1.13 +
1.14 +namespace mozilla {
1.15 +namespace gl {
1.16 +
1.17 +class WGLLibrary
1.18 +{
1.19 +public:
1.20 + WGLLibrary()
1.21 + : mInitialized(false),
1.22 + mOGLLibrary(nullptr),
1.23 + mHasRobustness(false),
1.24 + mWindow (0),
1.25 + mWindowDC(0),
1.26 + mWindowGLContext(0),
1.27 + mWindowPixelFormat (0)
1.28 + {}
1.29 +
1.30 + typedef HGLRC (GLAPIENTRY * PFNWGLCREATECONTEXTPROC) (HDC);
1.31 + PFNWGLCREATECONTEXTPROC fCreateContext;
1.32 + typedef BOOL (GLAPIENTRY * PFNWGLDELETECONTEXTPROC) (HGLRC);
1.33 + PFNWGLDELETECONTEXTPROC fDeleteContext;
1.34 + typedef BOOL (GLAPIENTRY * PFNWGLMAKECURRENTPROC) (HDC, HGLRC);
1.35 + PFNWGLMAKECURRENTPROC fMakeCurrent;
1.36 + typedef PROC (GLAPIENTRY * PFNWGLGETPROCADDRESSPROC) (LPCSTR);
1.37 + PFNWGLGETPROCADDRESSPROC fGetProcAddress;
1.38 + typedef HGLRC (GLAPIENTRY * PFNWGLGETCURRENTCONTEXT) (void);
1.39 + PFNWGLGETCURRENTCONTEXT fGetCurrentContext;
1.40 + typedef HDC (GLAPIENTRY * PFNWGLGETCURRENTDC) (void);
1.41 + PFNWGLGETCURRENTDC fGetCurrentDC;
1.42 + typedef BOOL (GLAPIENTRY * PFNWGLSHARELISTS) (HGLRC oldContext, HGLRC newContext);
1.43 + PFNWGLSHARELISTS fShareLists;
1.44 +
1.45 + typedef HANDLE (WINAPI * PFNWGLCREATEPBUFFERPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int* piAttribList);
1.46 + PFNWGLCREATEPBUFFERPROC fCreatePbuffer;
1.47 + typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFERPROC) (HANDLE hPbuffer);
1.48 + PFNWGLDESTROYPBUFFERPROC fDestroyPbuffer;
1.49 + typedef HDC (WINAPI * PFNWGLGETPBUFFERDCPROC) (HANDLE hPbuffer);
1.50 + PFNWGLGETPBUFFERDCPROC fGetPbufferDC;
1.51 +
1.52 + typedef BOOL (WINAPI * PFNWGLBINDTEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
1.53 + PFNWGLBINDTEXIMAGEPROC fBindTexImage;
1.54 + typedef BOOL (WINAPI * PFNWGLRELEASETEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
1.55 + PFNWGLRELEASETEXIMAGEPROC fReleaseTexImage;
1.56 +
1.57 + typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATPROC) (HDC hdc, const int* piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
1.58 + PFNWGLCHOOSEPIXELFORMATPROC fChoosePixelFormat;
1.59 + typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, int *piValues);
1.60 + PFNWGLGETPIXELFORMATATTRIBIVPROC fGetPixelFormatAttribiv;
1.61 +
1.62 + typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGPROC) (HDC hdc);
1.63 + PFNWGLGETEXTENSIONSSTRINGPROC fGetExtensionsString;
1.64 +
1.65 + typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSPROC) (HDC hdc, HGLRC hShareContext, const int *attribList);
1.66 + PFNWGLCREATECONTEXTATTRIBSPROC fCreateContextAttribs;
1.67 +
1.68 + bool EnsureInitialized();
1.69 + HWND CreateDummyWindow(HDC *aWindowDC = nullptr);
1.70 +
1.71 + bool HasRobustness() const { return mHasRobustness; }
1.72 + bool IsInitialized() const { return mInitialized; }
1.73 + HWND GetWindow() const { return mWindow; }
1.74 + HDC GetWindowDC() const {return mWindowDC; }
1.75 + HGLRC GetWindowGLContext() const {return mWindowGLContext; }
1.76 + int GetWindowPixelFormat() const { return mWindowPixelFormat; }
1.77 + PRLibrary *GetOGLLibrary() { return mOGLLibrary; }
1.78 +
1.79 +private:
1.80 + bool mInitialized;
1.81 + PRLibrary *mOGLLibrary;
1.82 + bool mHasRobustness;
1.83 +
1.84 + HWND mWindow;
1.85 + HDC mWindowDC;
1.86 + HGLRC mWindowGLContext;
1.87 + int mWindowPixelFormat;
1.88 +
1.89 +};
1.90 +
1.91 +// a global WGLLibrary instance
1.92 +extern WGLLibrary sWGLLibrary;
1.93 +
1.94 +} /* namespace gl */
1.95 +} /* namespace mozilla */
1.96 +
