132 lines
5.4 KiB
C++
132 lines
5.4 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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#include "GLContextTypes.h"
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#include <windows.h>
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struct PRLibrary;
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namespace mozilla {
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namespace gl {
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class WGLLibrary
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{
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public:
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WGLLibrary()
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: mInitialized(false)
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, mOGLLibrary(nullptr)
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, mHasRobustness(false)
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, mHasDXInterop(false)
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, mHasDXInterop2(false)
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, mWindow (0)
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, mWindowDC(0)
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, mWindowGLContext(0)
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, mWindowPixelFormat(0)
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{}
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typedef HGLRC (GLAPIENTRY * PFNWGLCREATECONTEXTPROC) (HDC);
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PFNWGLCREATECONTEXTPROC fCreateContext;
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typedef BOOL (GLAPIENTRY * PFNWGLDELETECONTEXTPROC) (HGLRC);
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PFNWGLDELETECONTEXTPROC fDeleteContext;
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typedef BOOL (GLAPIENTRY * PFNWGLMAKECURRENTPROC) (HDC, HGLRC);
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PFNWGLMAKECURRENTPROC fMakeCurrent;
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typedef PROC (GLAPIENTRY * PFNWGLGETPROCADDRESSPROC) (LPCSTR);
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PFNWGLGETPROCADDRESSPROC fGetProcAddress;
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typedef HGLRC (GLAPIENTRY * PFNWGLGETCURRENTCONTEXT) (void);
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PFNWGLGETCURRENTCONTEXT fGetCurrentContext;
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typedef HDC (GLAPIENTRY * PFNWGLGETCURRENTDC) (void);
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PFNWGLGETCURRENTDC fGetCurrentDC;
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typedef BOOL (GLAPIENTRY * PFNWGLSHARELISTS) (HGLRC oldContext, HGLRC newContext);
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PFNWGLSHARELISTS fShareLists;
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typedef HANDLE (WINAPI * PFNWGLCREATEPBUFFERPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int* piAttribList);
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PFNWGLCREATEPBUFFERPROC fCreatePbuffer;
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typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFERPROC) (HANDLE hPbuffer);
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PFNWGLDESTROYPBUFFERPROC fDestroyPbuffer;
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typedef HDC (WINAPI * PFNWGLGETPBUFFERDCPROC) (HANDLE hPbuffer);
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PFNWGLGETPBUFFERDCPROC fGetPbufferDC;
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typedef BOOL (WINAPI * PFNWGLBINDTEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
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PFNWGLBINDTEXIMAGEPROC fBindTexImage;
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typedef BOOL (WINAPI * PFNWGLRELEASETEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
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PFNWGLRELEASETEXIMAGEPROC fReleaseTexImage;
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typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATPROC) (HDC hdc, const int* piAttribIList, const FLOAT* pfAttribFList, UINT nMaxFormats, int* piFormats, UINT* nNumFormats);
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PFNWGLCHOOSEPIXELFORMATPROC fChoosePixelFormat;
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typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, int* piValues);
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PFNWGLGETPIXELFORMATATTRIBIVPROC fGetPixelFormatAttribiv;
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typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGPROC) (HDC hdc);
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PFNWGLGETEXTENSIONSSTRINGPROC fGetExtensionsString;
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typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSPROC) (HDC hdc, HGLRC hShareContext, const int* attribList);
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PFNWGLCREATECONTEXTATTRIBSPROC fCreateContextAttribs;
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// WGL_NV_DX_interop:
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// BOOL wglDXSetResourceShareHandleNV(void* dxObject, HANDLE shareHandle);
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typedef BOOL (WINAPI * PFNWGLDXSETRESOURCESHAREHANDLEPROC) (void* dxObject, HANDLE shareHandle);
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PFNWGLDXSETRESOURCESHAREHANDLEPROC fDXSetResourceShareHandle;
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// HANDLE wglDXOpenDeviceNV(void* dxDevice);
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typedef HANDLE (WINAPI * PFNWGLDXOPENDEVICEPROC) (void* dxDevice);
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PFNWGLDXOPENDEVICEPROC fDXOpenDevice;
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// BOOL wglDXCloseDeviceNV(HANDLE hDevice);
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typedef BOOL (WINAPI * PFNWGLDXCLOSEDEVICEPROC) (HANDLE hDevice);
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PFNWGLDXCLOSEDEVICEPROC fDXCloseDevice;
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// HANDLE wglDXRegisterObjectNV(HANDLE hDevice, void* dxObject, GLuint name, GLenum type, GLenum access);
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typedef HANDLE (WINAPI * PFNWGLDXREGISTEROBJECTPROC) (HANDLE hDevice, void* dxObject, GLuint name, GLenum type, GLenum access);
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PFNWGLDXREGISTEROBJECTPROC fDXRegisterObject;
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// BOOL wglDXUnregisterObjectNV(HANDLE hDevice, HANDLE hObject);
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typedef BOOL (WINAPI * PFNWGLDXUNREGISTEROBJECT) (HANDLE hDevice, HANDLE hObject);
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PFNWGLDXUNREGISTEROBJECT fDXUnregisterObject;
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// BOOL wglDXObjectAccessNV(HANDLE hObject, GLenum access);
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typedef BOOL (WINAPI * PFNWGLDXOBJECTACCESSPROC) (HANDLE hObject, GLenum access);
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PFNWGLDXOBJECTACCESSPROC fDXObjectAccess;
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// BOOL wglDXLockObjectsNV(HANDLE hDevice, GLint count, HANDLE* hObjects);
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typedef BOOL (WINAPI * PFNWGLDXLOCKOBJECTSPROC) (HANDLE hDevice, GLint count, HANDLE* hObjects);
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PFNWGLDXLOCKOBJECTSPROC fDXLockObjects;
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// BOOL wglDXUnlockObjectsNV(HANDLE hDevice, GLint count, HANDLE* hObjects);
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typedef BOOL (WINAPI * PFNWGLDXUNLOCKOBJECTSPROC) (HANDLE hDevice, GLint count, HANDLE* hObjects);
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PFNWGLDXUNLOCKOBJECTSPROC fDXUnlockObjects;
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bool EnsureInitialized();
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HWND CreateDummyWindow(HDC* aWindowDC = nullptr);
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bool HasRobustness() const { return mHasRobustness; }
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bool HasDXInterop() const { return mHasDXInterop; }
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bool HasDXInterop2() const { return mHasDXInterop2; }
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bool IsInitialized() const { return mInitialized; }
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HWND GetWindow() const { return mWindow; }
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HDC GetWindowDC() const {return mWindowDC; }
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HGLRC GetWindowGLContext() const {return mWindowGLContext; }
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int GetWindowPixelFormat() const { return mWindowPixelFormat; }
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PRLibrary* GetOGLLibrary() { return mOGLLibrary; }
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private:
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bool mInitialized;
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PRLibrary* mOGLLibrary;
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bool mHasRobustness;
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bool mHasDXInterop;
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bool mHasDXInterop2;
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HWND mWindow;
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HDC mWindowDC;
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HGLRC mWindowGLContext;
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int mWindowPixelFormat;
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};
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// a global WGLLibrary instance
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extern WGLLibrary sWGLLib;
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} /* namespace gl */
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} /* namespace mozilla */
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