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author | marha <marha@users.sourceforge.net> | 2011-10-05 16:47:44 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2011-10-05 16:47:44 +0200 |
commit | 8238de0fe0c28bd54b3e6cdd1fc94513cf21d3cc (patch) | |
tree | e9adf557b0065c0936be2a1936eaa3033144ac74 /xorg-server/hw/xwin/swrastwgl_dri/glwrap.c | |
parent | 0e5ac4a92495c162590cedb58c6f6fc1d9ba199a (diff) | |
download | vcxsrv-8238de0fe0c28bd54b3e6cdd1fc94513cf21d3cc.tar.gz vcxsrv-8238de0fe0c28bd54b3e6cdd1fc94513cf21d3cc.tar.bz2 vcxsrv-8238de0fe0c28bd54b3e6cdd1fc94513cf21d3cc.zip |
Added swrast dll based on wgl
Diffstat (limited to 'xorg-server/hw/xwin/swrastwgl_dri/glwrap.c')
-rw-r--r-- | xorg-server/hw/xwin/swrastwgl_dri/glwrap.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/xorg-server/hw/xwin/swrastwgl_dri/glwrap.c b/xorg-server/hw/xwin/swrastwgl_dri/glwrap.c new file mode 100644 index 000000000..44e287bc9 --- /dev/null +++ b/xorg-server/hw/xwin/swrastwgl_dri/glwrap.c @@ -0,0 +1,151 @@ +/* + * File: glwrap.c + * Purpose: Wrapper functions for Win32 OpenGL functions + * + * Authors: Alexander Gottwald + * Jon TURNEY + * + * Copyright (c) Jon TURNEY 2009 + * Copyright (c) Alexander Gottwald 2004 + * + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +// define USE_OPENGL32 makes gl.h declare gl*() function prototypes with stdcall linkage, +// so our generated wrappers will correctly link with the functions in opengl32.dll +#define USE_OPENGL32 + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif + +#include <X11/Xwindows.h> +#include <GL/gl.h> +#include <GL/glext.h> +#include <glx/glxserver.h> +#include <glx/glxext.h> +#include <glx/glapi.h> +#include <glx/dispatch.h> +#include <glwindows.h> +#include <winmsg.h> + +#ifdef _DEBUG +static unsigned int glWinIndirectProcCalls = 0; +static unsigned int glWinDirectProcCalls = 0; + +void +glWinCallDelta(void) +{ + static unsigned int glWinIndirectProcCallsLast = 0; + static unsigned int glWinDirectProcCallsLast = 0; + if ((glWinIndirectProcCalls != glWinIndirectProcCallsLast) || + (glWinDirectProcCalls != glWinDirectProcCallsLast)) + { + glWinDirectProcCallsLast = glWinDirectProcCalls; + glWinIndirectProcCallsLast = glWinIndirectProcCalls; + } +} +#endif + +static __inline PROC +glWinResolveHelper(PROC *cache, char *symbol) +{ + PROC proc = NULL; + + /* If not yet cached, call wglGetProcAddress */ + if ((*cache) == NULL) + { + proc = wglGetProcAddress(symbol); + if (proc == NULL) + { + ErrorF("glwrap: Can't resolve \"%s\"\n", symbol); + (*cache) = (PROC)-1; + } + else + { + ErrorF("glwrap: Resolved \"%s\"\n", symbol); + (*cache) = proc; + } + } + /* Cached wglGetProcAddress failure */ + else if ((*cache) == (PROC)-1) + { + proc = 0; + } + /* Cached wglGetProcAddress result */ + else + { + proc = (*cache); + } + + return proc; +} + +#ifdef _DEBUG +#define INCPROCCALLS glWinIndirectProcCalls++; +#else +#define INCPROCCALLS +#endif + +#define RESOLVE_RET(proctype, symbol, retval) \ + static PROC cache = NULL; \ + proctype proc = (proctype)glWinResolveHelper(&cache, symbol); \ + if (proc == NULL) { \ + __glXErrorCallBack(0); \ + return retval; \ + } \ + INCPROCCALLS + +#define RESOLVE(proctype, symbol) RESOLVE_RET(proctype, symbol,) + +#define RESOLVED_PROC(proctype) proc + +/* + Include generated cdecl wrappers for stdcall gl*() functions in opengl32.dll + + OpenGL 1.2 and upward is treated as extensions, function address must + found using wglGetProcAddress(), but also stdcall so still need wrappers... + + Include generated dispatch table setup function +*/ + +#include "generated_gl_wrappers.c" + +/* + Special non-static wrapper for glGetString for debug output +*/ + +const GLubyte* glGetStringWrapperNonstatic(GLenum name) +{ + return glGetString(name); +} + +/* + Special non-static wrapper for glAddSwapHintRectWIN for copySubBuffers +*/ + +typedef void (__stdcall *PFNGLADDSWAPHINTRECTWIN)(GLint x, GLint y, GLsizei width, GLsizei height); + +void glAddSwapHintRectWINWrapperNonstatic(GLint x, GLint y, GLsizei width, GLsizei height) +{ + RESOLVE(PFNGLADDSWAPHINTRECTWIN, "glAddSwapHintRectWIN"); + proc(x, y, width, height); +} + |