diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/windows/icd/icd.c')
-rw-r--r-- | mesalib/src/mesa/drivers/windows/icd/icd.c | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/mesalib/src/mesa/drivers/windows/icd/icd.c b/mesalib/src/mesa/drivers/windows/icd/icd.c new file mode 100644 index 000000000..4bc6176b1 --- /dev/null +++ b/mesalib/src/mesa/drivers/windows/icd/icd.c @@ -0,0 +1,347 @@ +/* + * 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; +} |