55e528b6cc
Remove execute permission from source files Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk> Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
149 lines
4.3 KiB
C
149 lines
4.3 KiB
C
/*
|
|
* 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>
|
|
|
|
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))
|
|
{
|
|
if (glxWinDebugSettings.enableTrace)
|
|
{
|
|
ErrorF("after %d direct and %d indirect GL calls\n",
|
|
glWinDirectProcCalls - glWinDirectProcCallsLast,
|
|
glWinIndirectProcCalls - glWinIndirectProcCallsLast);
|
|
}
|
|
glWinDirectProcCallsLast = glWinDirectProcCalls;
|
|
glWinIndirectProcCallsLast = glWinIndirectProcCalls;
|
|
}
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
#define RESOLVE_RET(proctype, symbol, retval) \
|
|
static PROC cache = NULL; \
|
|
__stdcall proctype proc = (proctype)glWinResolveHelper(&cache, symbol); \
|
|
if (proc == NULL) { \
|
|
__glXErrorCallBack(0); \
|
|
return retval; \
|
|
} \
|
|
glWinIndirectProcCalls++;
|
|
|
|
#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);
|
|
}
|
|
|