src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/mesa/src/src/mesa/drivers/windows/icd/icd.c - public/gem5-resources - Git at Google

 /*
  * Mesa 3-D graphics library
  * Version:  6.1
  *
  * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
  *
  * 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
  * BRIAN PAUL 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.
  */

 /*
  * File name: icd.c
  * Author:    Gregor Anich
  *
  * ICD (Installable Client Driver) interface.
  * Based on the windows GDI/WGL driver.
  */

 #ifdef __cplusplus
 extern "C" {
 #endif

 #include <windows.h>
 #define GL_GLEXT_PROTOTYPES
 #include "GL/gl.h"
 #include "GL/glext.h"

 #ifdef __cplusplus
 }
 #endif

 #include <stdio.h>
 #include <tchar.h>
 #include "GL/wmesa.h"
 #include "mtypes.h"
 #include "glapi.h"

 #define MAX_MESA_ATTRS	20

 typedef struct wmesa_context *PWMC;

 typedef struct _icdTable {
     DWORD size;
     PROC  table[336];
 } ICDTABLE, *PICDTABLE;

 #ifdef USE_MGL_NAMESPACE
 # define GL_FUNC(func) mgl##func
 #else
 # define GL_FUNC(func) gl##func
 #endif

 static ICDTABLE icdTable = { 336, {
 #define ICD_ENTRY(func) (PROC)GL_FUNC(func),
 #include "icdlist.h"
 #undef ICD_ENTRY
 } };

 struct __pixelformat__
 {
     PIXELFORMATDESCRIPTOR	pfd;
     GLboolean doubleBuffered;
 };

 struct __pixelformat__	pix[] =
 {
     /* Double Buffer, alpha */
     {	{	sizeof(PIXELFORMATDESCRIPTOR),	1,
         PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_DOUBLEBUFFER|PFD_SWAP_COPY,
         PFD_TYPE_RGBA,
         24,	8,	0,	8,	8,	8,	16,	8,	24,
         0,	0,	0,	0,	0,	16,	8,	0,	0,	0,	0,	0,	0 },
         GL_TRUE
     },
     /* Single Buffer, alpha */
     {	{	sizeof(PIXELFORMATDESCRIPTOR),	1,
         PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL, /* | PFD_SUPPORT_GDI ? */
         PFD_TYPE_RGBA,
         24,	8,	0,	8,	8,	8,	16,	8,	24,
         0,	0,	0,	0,	0,	16,	8,	0,	0,	0,	0,	0,	0 },
         GL_FALSE
     },
     /* Double Buffer, no alpha */
     {	{	sizeof(PIXELFORMATDESCRIPTOR),	1,
         PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_DOUBLEBUFFER|PFD_SWAP_COPY,
         PFD_TYPE_RGBA,
         24,	8,	0,	8,	8,	8,	16,	0,	0,
         0,	0,	0,	0,	0,	16,	8,	0,	0,	0,	0,	0,	0 },
         GL_TRUE
     },
     /* Single Buffer, no alpha */
     {	{	sizeof(PIXELFORMATDESCRIPTOR),	1,
         PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL, /* | PFD_SUPPORT_GDI ? */
         PFD_TYPE_RGBA,
         24,	8,	0,	8,	8,	8,	16,	0,	0,
         0,	0,	0,	0,	0,	16,	8,	0,	0,	0,	0,	0,	0 },
         GL_FALSE
     },
 };

 int qt_pix = sizeof(pix) / sizeof(pix[0]);

 typedef struct {
     WMesaContext ctx;
     HDC hdc;
 } MesaWglCtx;

 #define MESAWGL_CTX_MAX_COUNT 20

 static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT];

 static unsigned ctx_count = 0;
 static int ctx_current = -1;
 static unsigned curPFD = 0;

 WGLAPI BOOL GLAPIENTRY DrvCopyContext(HGLRC hglrcSrc,HGLRC hglrcDst,UINT mask)
 {
     (void) hglrcSrc; (void) hglrcDst; (void) mask;
     return(FALSE);
 }

 WGLAPI HGLRC GLAPIENTRY DrvCreateContext(HDC hdc)
 {
     HWND		hWnd;
     int i = 0;

     if(!(hWnd = WindowFromDC(hdc)))
     {
         SetLastError(0);
         return(NULL);
     }
     if (!ctx_count)
     {
     	for(i=0;i<MESAWGL_CTX_MAX_COUNT;i++)
     	{
     		wgl_ctx[i].ctx = NULL;
     		wgl_ctx[i].hdc = NULL;
     	}
     }
     for( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
     {
         if ( wgl_ctx[i].ctx == NULL )
         {
             wgl_ctx[i].ctx = WMesaCreateContext( hWnd, NULL, GL_TRUE,
                 pix[curPFD-1].doubleBuffered,
                 pix[curPFD-1].pfd.cAlphaBits ? GL_TRUE : GL_FALSE);
             if (wgl_ctx[i].ctx == NULL)
                 break;
             wgl_ctx[i].hdc = hdc;
             ctx_count++;
             return ((HGLRC)wgl_ctx[i].ctx);
         }
     }
     SetLastError(0);
     return(NULL);
 }

 WGLAPI BOOL GLAPIENTRY DrvDeleteContext(HGLRC hglrc)
 {
     int i;
     for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
     {
     	if ( wgl_ctx[i].ctx == (PWMC) hglrc )
     	{
             WMesaMakeCurrent((PWMC) hglrc);
             WMesaDestroyContext();
             wgl_ctx[i].ctx = NULL;
             wgl_ctx[i].hdc = NULL;
             ctx_count--;
             return(TRUE);
     	}
     }
     SetLastError(0);
     return(FALSE);
 }

 WGLAPI HGLRC GLAPIENTRY DrvCreateLayerContext(HDC hdc,int iLayerPlane)
 {
     if (iLayerPlane == 0)
       return DrvCreateContext(hdc);
     SetLastError(0);
     return(NULL);
 }

 WGLAPI PICDTABLE GLAPIENTRY DrvSetContext(HDC hdc,HGLRC hglrc,void *callback)
 {
     int i;
     (void) callback;

     /* new code suggested by Andy Sy */
     if (!hdc || !hglrc) {
        WMesaMakeCurrent(NULL);
        ctx_current = -1;
        return NULL;
     }

     for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
     {
         if ( wgl_ctx[i].ctx == (PWMC) hglrc )
         {
             wgl_ctx[i].hdc = hdc;
             WMesaMakeCurrent( (PWMC) hglrc );
             ctx_current = i;
             return &icdTable;
         }
     }
     return NULL;
 }

 WGLAPI void GLAPIENTRY DrvReleaseContext(HGLRC hglrc)
 {
     (void) hglrc;
     WMesaMakeCurrent(NULL);
     ctx_current = -1;
 }

 WGLAPI BOOL GLAPIENTRY DrvShareLists(HGLRC hglrc1,HGLRC hglrc2)
 {
     (void) hglrc1; (void) hglrc2;
     return(TRUE);
 }

 WGLAPI BOOL GLAPIENTRY DrvDescribeLayerPlane(HDC hdc,int iPixelFormat,
                                     int iLayerPlane,UINT nBytes,
                                     LPLAYERPLANEDESCRIPTOR plpd)
 {
     (void) hdc; (void) iPixelFormat; (void) iLayerPlane; (void) nBytes; (void) plpd;
     SetLastError(0);
     return(FALSE);
 }

 WGLAPI int GLAPIENTRY DrvSetLayerPaletteEntries(HDC hdc,int iLayerPlane,
                                        int iStart,int cEntries,
                                        CONST COLORREF *pcr)
 {
     (void) hdc; (void) iLayerPlane; (void) iStart; (void) cEntries; (void) pcr;
     SetLastError(0);
     return(0);
 }

 WGLAPI int GLAPIENTRY DrvGetLayerPaletteEntries(HDC hdc,int iLayerPlane,
                                        int iStart,int cEntries,
                                        COLORREF *pcr)
 {
     (void) hdc; (void) iLayerPlane; (void) iStart; (void) cEntries; (void) pcr;
     SetLastError(0);
     return(0);
 }

 WGLAPI BOOL GLAPIENTRY DrvRealizeLayerPalette(HDC hdc,int iLayerPlane,BOOL bRealize)
 {
     (void) hdc; (void) iLayerPlane; (void) bRealize;
     SetLastError(0);
     return(FALSE);
 }

 WGLAPI BOOL GLAPIENTRY DrvSwapLayerBuffers(HDC hdc,UINT fuPlanes)
 {
     (void) fuPlanes;
     if( !hdc )
     {
         WMesaSwapBuffers();
         return(TRUE);
     }
     SetLastError(0);
     return(FALSE);
 }

 WGLAPI int GLAPIENTRY DrvDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes,
                                     LPPIXELFORMATDESCRIPTOR ppfd)
 {
     int	qt_valid_pix;
     (void) hdc;

     qt_valid_pix = qt_pix;
     if(ppfd == NULL)
 	return(qt_valid_pix);
     if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || nBytes != sizeof(PIXELFORMATDESCRIPTOR))
     {
         SetLastError(0);
         return(0);
     }
     *ppfd = pix[iPixelFormat - 1].pfd;
     return(qt_valid_pix);
 }

 /*
 * GetProcAddress - return the address of an appropriate extension
 */
 WGLAPI PROC GLAPIENTRY DrvGetProcAddress(LPCSTR lpszProc)
 {
    PROC p = (PROC) (int) _glapi_get_proc_address((const char *) lpszProc);
    if (p)
       return p;

    SetLastError(0);
    return(NULL);
 }

 WGLAPI BOOL GLAPIENTRY DrvSetPixelFormat(HDC hdc,int iPixelFormat)
 {
     int qt_valid_pix;
     (void) hdc;

     qt_valid_pix = qt_pix;
     if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix)
     {
         SetLastError(0);
         return(FALSE);
     }
     curPFD = iPixelFormat;
     return(TRUE);
 }

 WGLAPI BOOL GLAPIENTRY DrvSwapBuffers(HDC hdc)
 {
     (void) hdc;
     if (ctx_current < 0)
         return FALSE;

     if(wgl_ctx[ctx_current].ctx == NULL) {
         SetLastError(0);
         return(FALSE);
     }
     WMesaSwapBuffers();
     return(TRUE);
 }

 WGLAPI BOOL GLAPIENTRY DrvValidateVersion(DWORD version)
 {
     (void) version;
     return TRUE;
 }
	/*
	* Mesa 3-D graphics library
	* Version: 6.1
	*
	* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
	*
	* 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
	* BRIAN PAUL 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.
	*/

	/*
	* File name: icd.c
	* Author: Gregor Anich
	*
	* ICD (Installable Client Driver) interface.
	* Based on the windows GDI/WGL driver.
	*/

	#ifdef __cplusplus
	extern "C" {
	#endif

	#include <windows.h>
	#define GL_GLEXT_PROTOTYPES
	#include "GL/gl.h"
	#include "GL/glext.h"

	#ifdef __cplusplus
	}
	#endif

	#include <stdio.h>
	#include <tchar.h>
	#include "GL/wmesa.h"
	#include "mtypes.h"
	#include "glapi.h"

	#define MAX_MESA_ATTRS 20

	typedef struct wmesa_context *PWMC;

	typedef struct _icdTable {
	DWORD size;
	PROC table[336];
	} ICDTABLE, *PICDTABLE;

	#ifdef USE_MGL_NAMESPACE
	# define GL_FUNC(func) mgl##func
	#else
	# define GL_FUNC(func) gl##func
	#endif

	static ICDTABLE icdTable = { 336, {
	#define ICD_ENTRY(func) (PROC)GL_FUNC(func),
	#include "icdlist.h"
	#undef ICD_ENTRY
	} };

	struct __pixelformat__
	{
	PIXELFORMATDESCRIPTOR pfd;
	GLboolean doubleBuffered;
	};

	struct __pixelformat__ pix[] =
	{
	/* Double Buffer, alpha */
	{ { sizeof(PIXELFORMATDESCRIPTOR), 1,
	PFD_DRAW_TO_WINDOW\|PFD_SUPPORT_OPENGL\|PFD_DOUBLEBUFFER\|PFD_SWAP_COPY,
	PFD_TYPE_RGBA,
	24, 8, 0, 8, 8, 8, 16, 8, 24,
	0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 },
	GL_TRUE
	},
	/* Single Buffer, alpha */
	{ { sizeof(PIXELFORMATDESCRIPTOR), 1,
	PFD_DRAW_TO_WINDOW\|PFD_SUPPORT_OPENGL, /* \| PFD_SUPPORT_GDI ? */
	PFD_TYPE_RGBA,
	24, 8, 0, 8, 8, 8, 16, 8, 24,
	0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 },
	GL_FALSE
	},
	/* Double Buffer, no alpha */
	{ { sizeof(PIXELFORMATDESCRIPTOR), 1,
	PFD_DRAW_TO_WINDOW\|PFD_SUPPORT_OPENGL\|PFD_DOUBLEBUFFER\|PFD_SWAP_COPY,
	PFD_TYPE_RGBA,
	24, 8, 0, 8, 8, 8, 16, 0, 0,
	0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 },
	GL_TRUE
	},
	/* Single Buffer, no alpha */
	{ { sizeof(PIXELFORMATDESCRIPTOR), 1,
	PFD_DRAW_TO_WINDOW\|PFD_SUPPORT_OPENGL, /* \| PFD_SUPPORT_GDI ? */
	PFD_TYPE_RGBA,
	24, 8, 0, 8, 8, 8, 16, 0, 0,
	0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 },
	GL_FALSE
	},
	};

	int qt_pix = sizeof(pix) / sizeof(pix[0]);

	typedef struct {
	WMesaContext ctx;
	HDC hdc;
	} MesaWglCtx;

	#define MESAWGL_CTX_MAX_COUNT 20

	static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT];

	static unsigned ctx_count = 0;
	static int ctx_current = -1;
	static unsigned curPFD = 0;

	WGLAPI BOOL GLAPIENTRY DrvCopyContext(HGLRC hglrcSrc,HGLRC hglrcDst,UINT mask)
	{
	(void) hglrcSrc; (void) hglrcDst; (void) mask;
	return(FALSE);
	}

	WGLAPI HGLRC GLAPIENTRY DrvCreateContext(HDC hdc)
	{
	HWND hWnd;
	int i = 0;

	if(!(hWnd = WindowFromDC(hdc)))
	{
	SetLastError(0);
	return(NULL);
	}
	if (!ctx_count)
	{
	for(i=0;i<MESAWGL_CTX_MAX_COUNT;i++)
	{
	wgl_ctx[i].ctx = NULL;
	wgl_ctx[i].hdc = NULL;
	}
	}
	for( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
	{
	if ( wgl_ctx[i].ctx == NULL )
	{
	wgl_ctx[i].ctx = WMesaCreateContext( hWnd, NULL, GL_TRUE,
	pix[curPFD-1].doubleBuffered,
	pix[curPFD-1].pfd.cAlphaBits ? GL_TRUE : GL_FALSE);
	if (wgl_ctx[i].ctx == NULL)
	break;
	wgl_ctx[i].hdc = hdc;
	ctx_count++;
	return ((HGLRC)wgl_ctx[i].ctx);
	}
	}
	SetLastError(0);
	return(NULL);
	}

	WGLAPI BOOL GLAPIENTRY DrvDeleteContext(HGLRC hglrc)
	{
	int i;
	for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
	{
	if ( wgl_ctx[i].ctx == (PWMC) hglrc )
	{
	WMesaMakeCurrent((PWMC) hglrc);
	WMesaDestroyContext();
	wgl_ctx[i].ctx = NULL;
	wgl_ctx[i].hdc = NULL;
	ctx_count--;
	return(TRUE);
	}
	}
	SetLastError(0);
	return(FALSE);
	}

	WGLAPI HGLRC GLAPIENTRY DrvCreateLayerContext(HDC hdc,int iLayerPlane)
	{
	if (iLayerPlane == 0)
	return DrvCreateContext(hdc);
	SetLastError(0);
	return(NULL);
	}

	WGLAPI PICDTABLE GLAPIENTRY DrvSetContext(HDC hdc,HGLRC hglrc,void *callback)
	{
	int i;
	(void) callback;

	/* new code suggested by Andy Sy */
	if (!hdc \|\| !hglrc) {
	WMesaMakeCurrent(NULL);
	ctx_current = -1;
	return NULL;
	}

	for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
	{
	if ( wgl_ctx[i].ctx == (PWMC) hglrc )
	{
	wgl_ctx[i].hdc = hdc;
	WMesaMakeCurrent( (PWMC) hglrc );
	ctx_current = i;
	return &icdTable;
	}
	}
	return NULL;
	}

	WGLAPI void GLAPIENTRY DrvReleaseContext(HGLRC hglrc)
	{
	(void) hglrc;
	WMesaMakeCurrent(NULL);
	ctx_current = -1;
	}

	WGLAPI BOOL GLAPIENTRY DrvShareLists(HGLRC hglrc1,HGLRC hglrc2)
	{
	(void) hglrc1; (void) hglrc2;
	return(TRUE);
	}

	WGLAPI BOOL GLAPIENTRY DrvDescribeLayerPlane(HDC hdc,int iPixelFormat,
	int iLayerPlane,UINT nBytes,
	LPLAYERPLANEDESCRIPTOR plpd)
	{
	(void) hdc; (void) iPixelFormat; (void) iLayerPlane; (void) nBytes; (void) plpd;
	SetLastError(0);
	return(FALSE);
	}

	WGLAPI int GLAPIENTRY DrvSetLayerPaletteEntries(HDC hdc,int iLayerPlane,
	int iStart,int cEntries,
	CONST COLORREF *pcr)
	{
	(void) hdc; (void) iLayerPlane; (void) iStart; (void) cEntries; (void) pcr;
	SetLastError(0);
	return(0);
	}

	WGLAPI int GLAPIENTRY DrvGetLayerPaletteEntries(HDC hdc,int iLayerPlane,
	int iStart,int cEntries,
	COLORREF *pcr)
	{
	(void) hdc; (void) iLayerPlane; (void) iStart; (void) cEntries; (void) pcr;
	SetLastError(0);
	return(0);
	}

	WGLAPI BOOL GLAPIENTRY DrvRealizeLayerPalette(HDC hdc,int iLayerPlane,BOOL bRealize)
	{
	(void) hdc; (void) iLayerPlane; (void) bRealize;
	SetLastError(0);
	return(FALSE);
	}

	WGLAPI BOOL GLAPIENTRY DrvSwapLayerBuffers(HDC hdc,UINT fuPlanes)
	{
	(void) fuPlanes;
	if( !hdc )
	{
	WMesaSwapBuffers();
	return(TRUE);
	}
	SetLastError(0);
	return(FALSE);
	}

	WGLAPI int GLAPIENTRY DrvDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes,
	LPPIXELFORMATDESCRIPTOR ppfd)
	{
	int qt_valid_pix;
	(void) hdc;

	qt_valid_pix = qt_pix;
	if(ppfd == NULL)
	return(qt_valid_pix);
	if(iPixelFormat < 1 \|\| iPixelFormat > qt_valid_pix \|\| nBytes != sizeof(PIXELFORMATDESCRIPTOR))
	{
	SetLastError(0);
	return(0);
	}
	*ppfd = pix[iPixelFormat - 1].pfd;
	return(qt_valid_pix);
	}

	/*
	* GetProcAddress - return the address of an appropriate extension
	*/
	WGLAPI PROC GLAPIENTRY DrvGetProcAddress(LPCSTR lpszProc)
	{
	PROC p = (PROC) (int) _glapi_get_proc_address((const char *) lpszProc);
	if (p)
	return p;

	SetLastError(0);
	return(NULL);
	}

	WGLAPI BOOL GLAPIENTRY DrvSetPixelFormat(HDC hdc,int iPixelFormat)
	{
	int qt_valid_pix;
	(void) hdc;

	qt_valid_pix = qt_pix;
	if(iPixelFormat < 1 \|\| iPixelFormat > qt_valid_pix)
	{
	SetLastError(0);
	return(FALSE);
	}
	curPFD = iPixelFormat;
	return(TRUE);
	}

	WGLAPI BOOL GLAPIENTRY DrvSwapBuffers(HDC hdc)
	{
	(void) hdc;
	if (ctx_current < 0)
	return FALSE;

	if(wgl_ctx[ctx_current].ctx == NULL) {
	SetLastError(0);
	return(FALSE);
	}
	WMesaSwapBuffers();
	return(TRUE);
	}

	WGLAPI BOOL GLAPIENTRY DrvValidateVersion(DWORD version)
	{
	(void) version;
	return TRUE;
	}