diff options
Diffstat (limited to 'nx-X11/programs/Xserver/GL/windows/indirect.c')
| -rwxr-xr-x | nx-X11/programs/Xserver/GL/windows/indirect.c | 1605 |
1 files changed, 0 insertions, 1605 deletions
diff --git a/nx-X11/programs/Xserver/GL/windows/indirect.c b/nx-X11/programs/Xserver/GL/windows/indirect.c deleted file mode 100755 index 5e12022f4..000000000 --- a/nx-X11/programs/Xserver/GL/windows/indirect.c +++ /dev/null @@ -1,1605 +0,0 @@ -/* - * GLX implementation that uses Windows OpenGL library - * (Indirect rendering path) - * - * Authors: Alexander Gottwald - */ -/* - * Portions of this file are copied from GL/apple/indirect.c, - * which contains the following copyright: - * - * Copyright (c) 2002 Greg Parker. All Rights Reserved. - * Copyright (c) 2002 Apple Computer, Inc. - * - * Portions of this file are copied from xf86glx.c, - * which contains the following copyright: - * - * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. - * 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 - * 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. - * - * Except as contained in this notice, the name(s) of the above copyright - * holders shall not be used in advertising or otherwise to promote the sale, - * use or other dealings in this Software without prior written authorization. - */ - - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "glwindows.h" -#include <glcontextmodes.h> -#include <stdint.h> - -#include <winpriv.h> - -#define GLWIN_DEBUG_HWND(hwnd) \ - if (glWinDebugSettings.dumpHWND) { \ - char buffer[1024]; \ - if (GetWindowText(hwnd, buffer, sizeof(buffer))==0) *buffer=0; \ - GLWIN_DEBUG_MSG("Got HWND %s (%p)\n", buffer, hwnd); \ - } - - -/* ggs: needed to call back to glx with visual configs */ -extern void GlxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, void **configprivs); - -glWinDebugSettingsRec glWinDebugSettings = { 1, 0, 0, 0, 0}; - -static void glWinInitDebugSettings(void) -{ - char *envptr; - - envptr = getenv("GLWIN_ENABLE_DEBUG"); - if (envptr != NULL) - glWinDebugSettings.enableDebug = (atoi(envptr) == 1); - - envptr = getenv("GLWIN_ENABLE_TRACE"); - if (envptr != NULL) - glWinDebugSettings.enableTrace = (atoi(envptr) == 1); - - envptr = getenv("GLWIN_DUMP_PFD"); - if (envptr != NULL) - glWinDebugSettings.dumpPFD = (atoi(envptr) == 1); - - envptr = getenv("GLWIN_DUMP_HWND"); - if (envptr != NULL) - glWinDebugSettings.dumpHWND = (atoi(envptr) == 1); - - envptr = getenv("GLWIN_DUMP_DC"); - if (envptr != NULL) - glWinDebugSettings.dumpDC = (atoi(envptr) == 1); -} - -static char errorbuffer[1024]; -const char *glWinErrorMessage(void) -{ - if (!FormatMessage( - FORMAT_MESSAGE_FROM_SYSTEM | - FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, - GetLastError(), - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), - (LPTSTR) &errorbuffer, - sizeof(errorbuffer), - NULL )) - { - snprintf(errorbuffer, sizeof(errorbuffer), "Unknown error in FormatMessage: %08x!\n", (unsigned)GetLastError()); - } - return errorbuffer; -} - -/* - * GLX implementation that uses Win32's OpenGL - */ - -/* - * Server-side GLX uses these functions which are normally defined - * in the OpenGL SI. - */ - -GLuint __glFloorLog2(GLuint val) -{ - int c = 0; - - while (val > 1) { - c++; - val >>= 1; - } - return c; -} - -/* some prototypes */ -static Bool glWinScreenProbe(int screen); -static Bool glWinInitVisuals(VisualPtr *visualp, DepthPtr *depthp, - int *nvisualp, int *ndepthp, - int *rootDepthp, VisualID *defaultVisp, - unsigned long sizes, int bitsPerRGB); -static void glWinSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, - void **privates); -static __GLinterface *glWinCreateContext(__GLimports *imports, - __GLcontextModes *mode, - __GLinterface *shareGC); -static void glWinCreateBuffer(__GLXdrawablePrivate *glxPriv); -static void glWinResetExtension(void); - -/* - * This structure is statically allocated in the __glXScreens[] - * structure. This struct is not used anywhere other than in - * __glXScreenInit to initialize each of the active screens - * (__glXActiveScreens[]). Several of the fields must be initialized by - * the screenProbe routine before they are copied to the active screens - * struct. In particular, the contextCreate, pGlxVisual, numVisuals, - * and numUsableVisuals fields must be initialized. - */ -static __GLXscreenInfo __glDDXScreenInfo = { - glWinScreenProbe, /* Must be generic and handle all screens */ - glWinCreateContext, /* Substitute screen's createContext routine */ - glWinCreateBuffer, /* Substitute screen's createBuffer routine */ - NULL, /* Set up pGlxVisual in probe */ - NULL, /* Set up pVisualPriv in probe */ - 0, /* Set up numVisuals in probe */ - 0, /* Set up numUsableVisuals in probe */ - "Vendor String", /* GLXvendor is overwritten by __glXScreenInit */ - "Version String", /* GLXversion is overwritten by __glXScreenInit */ - "Extensions String", /* GLXextensions is overwritten by __glXScreenInit */ - NULL /* WrappedPositionWindow is overwritten */ -}; - -void *__glXglDDXScreenInfo(void) { - return &__glDDXScreenInfo; -} - -static __GLXextensionInfo __glDDXExtensionInfo = { - GL_CORE_WINDOWS, - glWinResetExtension, - glWinInitVisuals, - glWinSetVisualConfigs -}; - -void *__glXglDDXExtensionInfo(void) { - return &__glDDXExtensionInfo; -} - -/* prototypes */ - -static GLboolean glWinDestroyContext(__GLcontext *gc); -static GLboolean glWinLoseCurrent(__GLcontext *gc); -static GLboolean glWinMakeCurrent(__GLcontext *gc); -static GLboolean glWinShareContext(__GLcontext *gc, __GLcontext *gcShare); -static GLboolean glWinCopyContext(__GLcontext *dst, const __GLcontext *src, - GLuint mask); -static GLboolean glWinForceCurrent(__GLcontext *gc); - -/* Drawing surface notification callbacks */ -static GLboolean glWinNotifyResize(__GLcontext *gc); -static void glWinNotifyDestroy(__GLcontext *gc); -static void glWinNotifySwapBuffers(__GLcontext *gc); - -/* Dispatch table override control for external agents like libGLS */ -static struct __GLdispatchStateRec* glWinDispatchExec(__GLcontext *gc); -static void glWinBeginDispatchOverride(__GLcontext *gc); -static void glWinEndDispatchOverride(__GLcontext *gc); - -/* Debug output */ -static void pfdOut(const PIXELFORMATDESCRIPTOR *pfd); - -static __GLexports glWinExports = { - glWinDestroyContext, - glWinLoseCurrent, - glWinMakeCurrent, - glWinShareContext, - glWinCopyContext, - glWinForceCurrent, - - glWinNotifyResize, - glWinNotifyDestroy, - glWinNotifySwapBuffers, - - glWinDispatchExec, - glWinBeginDispatchOverride, - glWinEndDispatchOverride -}; - -glWinScreenRec glWinScreens[MAXSCREENS]; - -/* __GLdrawablePrivate->private */ -typedef struct { - DrawablePtr pDraw; - /* xp_surface_id sid; */ -} GLWinDrawableRec; - -struct __GLcontextRec { - struct __GLinterfaceRec interface; /* required to be first */ - - HGLRC ctx; /* Windows GL Context */ - - HDC dc; /* Windows Device Context */ - winWindowInfoRec winInfo; /* Window info from XWin */ - - PIXELFORMATDESCRIPTOR pfd; /* Pixelformat flags */ - int pixelFormat; /* Pixelformat index */ - - unsigned isAttached :1; /* Flag to track if context is attached */ -}; - -static HDC glWinMakeDC(__GLcontext *gc) -{ - HDC dc; - - /*if (gc->winInfo.hrgn == NULL) - { - GLWIN_DEBUG_MSG("Creating region from RECT(%ld,%ld,%ld,%ld):", - gc->winInfo.rect.left, - gc->winInfo.rect.top, - gc->winInfo.rect.right, - gc->winInfo.rect.bottom); - gc->winInfo.hrgn = CreateRectRgnIndirect(&gc->winInfo.rect); - GLWIN_DEBUG_MSG2("%p\n", gc->winInfo.hrgn); - }*/ - - if (glWinDebugSettings.enableTrace) - GLWIN_DEBUG_HWND(gc->winInfo.hwnd); - - dc = GetDC(gc->winInfo.hwnd); - /*dc = GetDCEx(gc->winInfo.hwnd, gc->winInfo.hrgn, - DCX_WINDOW | DCX_NORESETATTRS ); */ - - if (dc == NULL) - ErrorF("GetDC error: %s\n", glWinErrorMessage()); - return dc; -} - -static void unattach(__GLcontext *gc) -{ - BOOL ret; - GLWIN_DEBUG_MSG("unattach (ctx %p)\n", gc->ctx); - if (!gc->isAttached) - { - ErrorF("called unattach on an unattached context\n"); - return; - } - - if (gc->ctx) - { - ret = wglDeleteContext(gc->ctx); - if (!ret) - ErrorF("wglDeleteContext error: %s\n", glWinErrorMessage()); - gc->ctx = NULL; - } - - if (gc->winInfo.hrgn) - { - ret = DeleteObject(gc->winInfo.hrgn); - if (!ret) - ErrorF("DeleteObject error: %s\n", glWinErrorMessage()); - gc->winInfo.hrgn = NULL; - } - - gc->isAttached = 0; -} - -static BOOL glWinAdjustHWND(__GLcontext *gc, WindowPtr pWin) -{ - HDC dc; - BOOL ret; - HGLRC newctx; - HWND oldhwnd; - - GLWIN_DEBUG_MSG("glWinAdjustHWND (ctx %p, pWin %p)\n", gc->ctx, pWin); - - if (pWin == NULL) - { - GLWIN_DEBUG_MSG("Deferring until window is created\n"); - return FALSE; - } - - oldhwnd = gc->winInfo.hwnd; - winGetWindowInfo(pWin, &gc->winInfo); - - GLWIN_DEBUG_HWND(gc->winInfo.hwnd); - if (gc->winInfo.hwnd == NULL) - { - GLWIN_DEBUG_MSG("Deferring until window is created\n"); - return FALSE; - } - - dc = glWinMakeDC(gc); - - if (glWinDebugSettings.dumpDC) - GLWIN_DEBUG_MSG("Got HDC %p\n", dc); - - gc->pixelFormat = ChoosePixelFormat(dc, &gc->pfd); - if (gc->pixelFormat == 0) - { - ErrorF("ChoosePixelFormat error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - ret = SetPixelFormat(dc, gc->pixelFormat, &gc->pfd); - if (!ret) { - ErrorF("SetPixelFormat error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - newctx = wglCreateContext(dc); - if (newctx == NULL) { - ErrorF("wglCreateContext error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - GLWIN_DEBUG_MSG("wglCreateContext (ctx %p)\n", newctx); - - if (!wglShareLists(gc->ctx, newctx)) - { - ErrorF("wglShareLists error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - if (oldhwnd != gc->winInfo.hwnd) - { - GLWIN_DEBUG_MSG("Trying wglCopyContext\n"); - if (!wglCopyContext(gc->ctx, newctx, GL_ALL_ATTRIB_BITS)) - { - ErrorF("wglCopyContext error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - } - - if (!wglDeleteContext(gc->ctx)) - { - ErrorF("wglDeleteContext error: %s\n", glWinErrorMessage()); - } - - gc->ctx = newctx; - - if (!wglMakeCurrent(dc, gc->ctx)) { - ErrorF("glMakeCurrent error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - ReleaseDC(gc->winInfo.hwnd, dc); - - return TRUE; -} - -static BOOL glWinCreateContextReal(__GLcontext *gc, WindowPtr pWin) -{ - HDC dc; - BOOL ret; - - GLWIN_DEBUG_MSG("glWinCreateContextReal (pWin %p)\n", pWin); - - if (pWin == NULL) - { - GLWIN_DEBUG_MSG("Deferring until window is created\n"); - return FALSE; - } - - winGetWindowInfo(pWin, &gc->winInfo); - - GLWIN_DEBUG_HWND(gc->winInfo.hwnd); - if (gc->winInfo.hwnd == NULL) - { - GLWIN_DEBUG_MSG("Deferring until window is created\n"); - return FALSE; - } - - - dc = glWinMakeDC(gc); - - if (glWinDebugSettings.dumpDC) - GLWIN_DEBUG_MSG("Got HDC %p\n", dc); - - gc->pixelFormat = ChoosePixelFormat(dc, &gc->pfd); - if (gc->pixelFormat == 0) - { - ErrorF("ChoosePixelFormat error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - ret = SetPixelFormat(dc, gc->pixelFormat, &gc->pfd); - if (!ret) { - ErrorF("SetPixelFormat error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - gc->ctx = wglCreateContext(dc); - if (gc->ctx == NULL) { - ErrorF("wglCreateContext error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - GLWIN_DEBUG_MSG("glWinCreateContextReal (ctx %p)\n", gc->ctx); - - if (!wglMakeCurrent(dc, gc->ctx)) { - ErrorF("glMakeCurrent error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - return FALSE; - } - - ReleaseDC(gc->winInfo.hwnd, dc); - - return TRUE; -} - -static void attach(__GLcontext *gc, __GLdrawablePrivate *glPriv) -{ - __GLXdrawablePrivate *glxPriv = (__GLXdrawablePrivate *)glPriv->other; - - GLWIN_DEBUG_MSG("attach (ctx %p)\n", gc->ctx); - - if (gc->isAttached) - { - ErrorF("called attach on an attached context\n"); - return; - } - - if (glxPriv->type == DRAWABLE_WINDOW) - { - WindowPtr pWin = (WindowPtr) glxPriv->pDraw; - if (pWin == NULL) - { - GLWIN_DEBUG_MSG("Deferring ChoosePixelFormat until window is created\n"); - } else - { - if (glWinCreateContextReal(gc, pWin)) - { - gc->isAttached = TRUE; - GLWIN_DEBUG_MSG("attached\n"); - } - } - } -} - -static GLboolean glWinLoseCurrent(__GLcontext *gc) -{ - GLWIN_TRACE_MSG("glWinLoseCurrent (ctx %p)\n", gc->ctx); - - __glXLastContext = NULL; /* Mesa does this; why? */ - - return GL_TRUE; -} - -/* Context manipulation; return GL_FALSE on failure */ -static GLboolean glWinDestroyContext(__GLcontext *gc) -{ - GLWIN_DEBUG_MSG("glWinDestroyContext (ctx %p)\n", gc->ctx); - - if (gc != NULL) - { - if (gc->isAttached) - unattach(gc); - if (gc->dc != NULL) - DeleteDC(gc->dc); - free(gc); - } - - return GL_TRUE; -} - -static GLboolean glWinMakeCurrent(__GLcontext *gc) -{ - __GLdrawablePrivate *glPriv = gc->interface.imports.getDrawablePrivate(gc); - BOOL ret; - HDC dc; - - GLWIN_TRACE_MSG(" (ctx %p)\n", gc->ctx); - - if (!gc->isAttached) - attach(gc, glPriv); - - if (gc->ctx == NULL) { - ErrorF("Context is NULL\n"); - return GL_FALSE; - } - - dc = glWinMakeDC(gc); - ret = wglMakeCurrent(dc, gc->ctx); - if (!ret) - ErrorF("glMakeCurrent error: %s\n", glWinErrorMessage()); - ReleaseDC(gc->winInfo.hwnd, dc); - - return ret?GL_TRUE:GL_FALSE; -} - -static GLboolean glWinShareContext(__GLcontext *gc, __GLcontext *gcShare) -{ - GLWIN_DEBUG_MSG("glWinShareContext unimplemented\n"); - - return GL_TRUE; -} - -static GLboolean glWinCopyContext(__GLcontext *dst, const __GLcontext *src, - GLuint mask) -{ - BOOL ret; - - GLWIN_DEBUG_MSG("glWinCopyContext\n"); - - ret = wglCopyContext(src->ctx, dst->ctx, mask); - if (!ret) - { - ErrorF("wglCopyContext error: %s\n", glWinErrorMessage()); - return GL_FALSE; - } - - return GL_TRUE; -} - -static GLboolean glWinForceCurrent(__GLcontext *gc) -{ - GLWIN_TRACE_MSG(" (ctx %p)\n", gc->ctx); - - return GL_TRUE; -} - -/* Drawing surface notification callbacks */ - -static GLboolean glWinNotifyResize(__GLcontext *gc) -{ - GLWIN_DEBUG_MSG("unimplemented glWinNotifyResize"); - return GL_TRUE; -} - -static void glWinNotifyDestroy(__GLcontext *gc) -{ - GLWIN_DEBUG_MSG("unimplemented glWinNotifyDestroy"); -} - -static void glWinNotifySwapBuffers(__GLcontext *gc) -{ - GLWIN_DEBUG_MSG("unimplemented glWinNotifySwapBuffers"); -} - -/* Dispatch table override control for external agents like libGLS */ -static struct __GLdispatchStateRec* glWinDispatchExec(__GLcontext *gc) -{ - GLWIN_DEBUG_MSG("unimplemented glWinDispatchExec"); - return NULL; -} - -static void glWinBeginDispatchOverride(__GLcontext *gc) -{ - GLWIN_DEBUG_MSG("unimplemented glWinBeginDispatchOverride"); -} - -static void glWinEndDispatchOverride(__GLcontext *gc) -{ - GLWIN_DEBUG_MSG("unimplemented glWinEndDispatchOverride"); -} - -#define DUMP_PFD_FLAG(flag) \ - if (pfd->dwFlags & flag) { \ - ErrorF("%s%s", pipesym, #flag); \ - pipesym = " | "; \ - } - -static void pfdOut(const PIXELFORMATDESCRIPTOR *pfd) -{ - const char *pipesym = ""; /* will be set after first flag dump */ - ErrorF("PIXELFORMATDESCRIPTOR:\n"); - ErrorF("nSize = %u\n", pfd->nSize); - ErrorF("nVersion = %u\n", pfd->nVersion); - ErrorF("dwFlags = %lu = {", pfd->dwFlags); - DUMP_PFD_FLAG(PFD_MAIN_PLANE); - DUMP_PFD_FLAG(PFD_OVERLAY_PLANE); - DUMP_PFD_FLAG(PFD_UNDERLAY_PLANE); - DUMP_PFD_FLAG(PFD_DOUBLEBUFFER); - DUMP_PFD_FLAG(PFD_STEREO); - DUMP_PFD_FLAG(PFD_DRAW_TO_WINDOW); - DUMP_PFD_FLAG(PFD_DRAW_TO_BITMAP); - DUMP_PFD_FLAG(PFD_SUPPORT_GDI); - DUMP_PFD_FLAG(PFD_SUPPORT_OPENGL); - DUMP_PFD_FLAG(PFD_GENERIC_FORMAT); - DUMP_PFD_FLAG(PFD_NEED_PALETTE); - DUMP_PFD_FLAG(PFD_NEED_SYSTEM_PALETTE); - DUMP_PFD_FLAG(PFD_SWAP_EXCHANGE); - DUMP_PFD_FLAG(PFD_SWAP_COPY); - DUMP_PFD_FLAG(PFD_SWAP_LAYER_BUFFERS); - DUMP_PFD_FLAG(PFD_GENERIC_ACCELERATED); - DUMP_PFD_FLAG(PFD_DEPTH_DONTCARE); - DUMP_PFD_FLAG(PFD_DOUBLEBUFFER_DONTCARE); - DUMP_PFD_FLAG(PFD_STEREO_DONTCARE); - ErrorF("}\n"); - - ErrorF("iPixelType = %hu = %s\n", pfd->iPixelType, - (pfd->iPixelType == PFD_TYPE_RGBA ? "PFD_TYPE_RGBA" : "PFD_TYPE_COLORINDEX")); - ErrorF("cColorBits = %hhu\n", pfd->cColorBits); - ErrorF("cRedBits = %hhu\n", pfd->cRedBits); - ErrorF("cRedShift = %hhu\n", pfd->cRedShift); - ErrorF("cGreenBits = %hhu\n", pfd->cGreenBits); - ErrorF("cGreenShift = %hhu\n", pfd->cGreenShift); - ErrorF("cBlueBits = %hhu\n", pfd->cBlueBits); - ErrorF("cBlueShift = %hhu\n", pfd->cBlueShift); - ErrorF("cAlphaBits = %hhu\n", pfd->cAlphaBits); - ErrorF("cAlphaShift = %hhu\n", pfd->cAlphaShift); - ErrorF("cAccumBits = %hhu\n", pfd->cAccumBits); - ErrorF("cAccumRedBits = %hhu\n", pfd->cAccumRedBits); - ErrorF("cAccumGreenBits = %hhu\n", pfd->cAccumGreenBits); - ErrorF("cAccumBlueBits = %hhu\n", pfd->cAccumBlueBits); - ErrorF("cAccumAlphaBits = %hhu\n", pfd->cAccumAlphaBits); - ErrorF("cDepthBits = %hhu\n", pfd->cDepthBits); - ErrorF("cStencilBits = %hhu\n", pfd->cStencilBits); - ErrorF("cAuxBuffers = %hhu\n", pfd->cAuxBuffers); - ErrorF("iLayerType = %hhu\n", pfd->iLayerType); - ErrorF("bReserved = %hhu\n", pfd->bReserved); - ErrorF("dwLayerMask = %lu\n", pfd->dwLayerMask); - ErrorF("dwVisibleMask = %lu\n", pfd->dwVisibleMask); - ErrorF("dwDamageMask = %lu\n", pfd->dwDamageMask); - ErrorF("\n"); -} - -static int makeFormat(__GLcontextModes *mode, PIXELFORMATDESCRIPTOR *pfdret) -{ - PIXELFORMATDESCRIPTOR pfd = { - sizeof(PIXELFORMATDESCRIPTOR), /* size of this pfd */ - 1, /* version number */ - PFD_DRAW_TO_WINDOW | /* support window */ - PFD_SUPPORT_OPENGL, /* support OpenGL */ - PFD_TYPE_RGBA, /* RGBA type */ - 24, /* 24-bit color depth */ - 0, 0, 0, 0, 0, 0, /* color bits ignored */ - 0, /* no alpha buffer */ - 0, /* shift bit ignored */ - 0, /* no accumulation buffer */ - 0, 0, 0, 0, /* accum bits ignored */ - 0, /* 32-bit z-buffer */ - 0, /* no stencil buffer */ - 0, /* no auxiliary buffer */ - PFD_MAIN_PLANE, /* main layer */ - 0, /* reserved */ - 0, 0, 0 /* layer masks ignored */ - }, *result = &pfd; - - /* disable anything but rgba. must get rgba to work first */ - if (!mode->rgbMode) - return -1; - - if (mode->stereoMode) { - result->dwFlags |= PFD_STEREO; - } - if (mode->doubleBufferMode) { - result->dwFlags |= PFD_DOUBLEBUFFER; - } - - if (mode->colorIndexMode) { - /* ignored, see above */ - result->iPixelType = PFD_TYPE_COLORINDEX; - result->cColorBits = mode->redBits + mode->greenBits + mode->blueBits; - result->cRedBits = mode->redBits; - result->cRedShift = 0; /* FIXME */ - result->cGreenBits = mode->greenBits; - result->cGreenShift = 0; /* FIXME */ - result->cBlueBits = mode->blueBits; - result->cBlueShift = 0; /* FIXME */ - result->cAlphaBits = mode->alphaBits; - result->cAlphaShift = 0; /* FIXME */ - } - - if (mode->rgbMode) { - result->iPixelType = PFD_TYPE_RGBA; - result->cColorBits = mode->redBits + mode->greenBits + mode->blueBits; - result->cRedBits = mode->redBits; - result->cRedShift = 0; /* FIXME */ - result->cGreenBits = mode->greenBits; - result->cGreenShift = 0; /* FIXME */ - result->cBlueBits = mode->blueBits; - result->cBlueShift = 0; /* FIXME */ - result->cAlphaBits = mode->alphaBits; - result->cAlphaShift = 0; /* FIXME */ - } - - if (mode->haveAccumBuffer) { - result->cAccumBits = mode->accumRedBits + mode->accumGreenBits - + mode->accumBlueBits + mode->accumAlphaBits; - result->cAccumRedBits = mode->accumRedBits; - result->cAccumGreenBits = mode->accumGreenBits; - result->cAccumBlueBits = mode->accumBlueBits; - result->cAccumAlphaBits = mode->accumAlphaBits; - } - - if (mode->haveDepthBuffer) { - result->cDepthBits = mode->depthBits; - } - if (mode->haveStencilBuffer) { - result->cStencilBits = mode->stencilBits; - } - - /* result->cAuxBuffers = mode->numAuxBuffers; */ - - /* mode->level ignored */ - - /* mode->pixmapMode ? */ - - *pfdret = pfd; - - return 0; -} - -static __GLinterface *glWinCreateContext(__GLimports *imports, - __GLcontextModes *mode, - __GLinterface *shareGC) -{ - __GLcontext *result; - - GLWIN_DEBUG_MSG("glWinCreateContext\n"); - - result = (__GLcontext *)calloc(1, sizeof(__GLcontext)); - if (!result) - return NULL; - - result->interface.imports = *imports; - result->interface.exports = glWinExports; - - if (makeFormat(mode, &result->pfd)) - { - ErrorF("makeFormat failed\n"); - free(result); - return NULL; - } - - if (glWinDebugSettings.dumpPFD) - pfdOut(&result->pfd); - - GLWIN_DEBUG_MSG("glWinCreateContext done\n"); - return (__GLinterface *)result; -} - -Bool -glWinRealizeWindow(WindowPtr pWin) -{ - /* If this window has GL contexts, tell them to reattach */ - /* reattaching is bad: display lists and parameters get lost */ - Bool result; - ScreenPtr pScreen = pWin->drawable.pScreen; - glWinScreenRec *screenPriv = &glWinScreens[pScreen->myNum]; - __GLXdrawablePrivate *glxPriv; - - GLWIN_DEBUG_MSG("glWinRealizeWindow\n"); - - /* Allow the window to be created (RootlessRealizeWindow is inside our wrap) */ - pScreen->RealizeWindow = screenPriv->RealizeWindow; - result = pScreen->RealizeWindow(pWin); - pScreen->RealizeWindow = glWinRealizeWindow; - - /* Re-attach this window's GL contexts, if any. */ - glxPriv = __glXFindDrawablePrivate(pWin->drawable.id); - if (glxPriv) { - __GLXcontext *gx; - __GLcontext *gc; - __GLdrawablePrivate *glPriv = &glxPriv->glPriv; - GLWIN_DEBUG_MSG("glWinRealizeWindow is GL drawable!\n"); - - /* GL contexts bound to this window for drawing */ - for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->next) { - gc = (__GLcontext *)gx->gc; - if (gc->isAttached) -#if 1 - { - GLWIN_DEBUG_MSG("context is already bound! Adjusting HWND.\n"); - glWinAdjustHWND(gc, pWin); - continue; - } -#else - unattach(gc); -#endif - attach(gc, glPriv); - } - - /* GL contexts bound to this window for reading */ - for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) { - gc = (__GLcontext *)gx->gc; - if (gc->isAttached) -#if 1 - { - GLWIN_DEBUG_MSG("context is already bound! Adjusting HWND.\n"); - glWinAdjustHWND(gc, pWin); - continue; - } -#else - unattach(gc); -#endif - attach(gc, glPriv); - } - } - - return result; -} - - -void -glWinCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc) -{ - ScreenPtr pScreen = pWindow->drawable.pScreen; - glWinScreenRec *screenPriv = &glWinScreens[pScreen->myNum]; - __GLXdrawablePrivate *glxPriv; - - GLWIN_TRACE_MSG(" (pWindow %p)\n", pWindow); - - /* Check if the window is attached and discard any drawing request */ - glxPriv = __glXFindDrawablePrivate(pWindow->drawable.id); - if (glxPriv) { - __GLXcontext *gx; - - /* GL contexts bound to this window for drawing */ - for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->next) { -/* - GLWIN_DEBUG_MSG("glWinCopyWindow - calling glDrawBuffer\n"); - glDrawBuffer(GL_FRONT); - */ - - return; - } - - /* GL contexts bound to this window for reading */ - for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) { - return; - } - } - - GLWIN_DEBUG_MSG("glWinCopyWindow - passing to hw layer\n"); - - pScreen->CopyWindow = screenPriv->CopyWindow; - pScreen->CopyWindow(pWindow, ptOldOrg, prgnSrc); - pScreen->CopyWindow = glWinCopyWindow; -} - -Bool -glWinUnrealizeWindow(WindowPtr pWin) -{ - /* If this window has GL contexts, tell them to unattach */ - Bool result; - ScreenPtr pScreen = pWin->drawable.pScreen; - glWinScreenRec *screenPriv = &glWinScreens[pScreen->myNum]; - __GLXdrawablePrivate *glxPriv; - - GLWIN_DEBUG_MSG("glWinUnrealizeWindow\n"); - - /* The Aqua window may have already been destroyed (windows - * are unrealized from top down) - */ - - /* Unattach this window's GL contexts, if any. */ - glxPriv = __glXFindDrawablePrivate(pWin->drawable.id); - if (glxPriv) { - __GLXcontext *gx; - __GLcontext *gc; - GLWIN_DEBUG_MSG("glWinUnealizeWindow is GL drawable!\n"); - - /* GL contexts bound to this window for drawing */ - for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->next) { - gc = (__GLcontext *)gx->gc; - unattach(gc); - } - - /* GL contexts bound to this window for reading */ - for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) { - gc = (__GLcontext *)gx->gc; - unattach(gc); - } - } - - pScreen->UnrealizeWindow = screenPriv->UnrealizeWindow; - result = pScreen->UnrealizeWindow(pWin); - pScreen->UnrealizeWindow = glWinUnrealizeWindow; - - return result; -} - - -/* - * In the case the driver has no GLX visuals we'll use these. - * [0] = RGB, double buffered - * [1] = RGB, double buffered, stencil, accum - */ -/* Originally copied from Mesa */ - -static int numConfigs = 0; -static __GLXvisualConfig *visualConfigs = NULL; -static void **visualPrivates = NULL; - -#define NUM_FALLBACK_CONFIGS 2 -static __GLXvisualConfig FallbackConfigs[NUM_FALLBACK_CONFIGS] = { - { - -1, /* vid */ - -1, /* class */ - True, /* rgba */ - -1, -1, -1, 0, /* rgba sizes */ - -1, -1, -1, 0, /* rgba masks */ - 0, 0, 0, 0, /* rgba accum sizes */ - True, /* doubleBuffer */ - False, /* stereo */ - -1, /* bufferSize */ - 16, /* depthSize */ - 0, /* stencilSize */ - 0, /* auxBuffers */ - 0, /* level */ - GLX_NONE_EXT, /* visualRating */ - 0, /* transparentPixel */ - 0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */ - 0 /* transparentIndex */ - }, - { - -1, /* vid */ - -1, /* class */ - True, /* rgba */ - -1, -1, -1, 0, /* rgba sizes */ - -1, -1, -1, 0, /* rgba masks */ - 16, 16, 16, 0, /* rgba accum sizes */ - True, /* doubleBuffer */ - False, /* stereo */ - -1, /* bufferSize */ - 16, /* depthSize */ - 8, /* stencilSize */ - 0, /* auxBuffers */ - 0, /* level */ - GLX_NONE_EXT, /* visualRating */ - 0, /* transparentPixel */ - 0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */ - 0 /* transparentIndex */ - } -}; - -static __GLXvisualConfig NullConfig = { - -1, /* vid */ - -1, /* class */ - False, /* rgba */ - -1, -1, -1, 0, /* rgba sizes */ - -1, -1, -1, 0, /* rgba masks */ - 0, 0, 0, 0, /* rgba accum sizes */ - False, /* doubleBuffer */ - False, /* stereo */ - -1, /* bufferSize */ - 16, /* depthSize */ - 0, /* stencilSize */ - 0, /* auxBuffers */ - 0, /* level */ - GLX_NONE_EXT, /* visualRating */ - 0, /* transparentPixel */ - 0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */ - 0 /* transparentIndex */ -}; - -static inline int count_bits(uint32_t x) -{ - x = x - ((x >> 1) & 0x55555555); - x = (x & 0x33333333) + ((x >> 2) & 0x33333333); - x = (x + (x >> 4)) & 0x0f0f0f0f; - x = x + (x >> 8); - x = x + (x >> 16); - return x & 63; -} - -/* Mostly copied from Mesa's xf86glx.c */ -static Bool init_visuals(int *nvisualp, VisualPtr *visualp, - VisualID *defaultVisp, - int ndepth, DepthPtr pdepth, - int rootDepth) -{ - int numRGBconfigs; - int numCIconfigs; - int numVisuals = *nvisualp; - int numNewVisuals; - int numNewConfigs; - VisualPtr pVisual = *visualp; - VisualPtr pVisualNew = NULL; - VisualID *orig_vid = NULL; - __GLcontextModes *modes = NULL; - __GLXvisualConfig *pNewVisualConfigs = NULL; - void **glXVisualPriv; - void **pNewVisualPriv; - int found_default; - int i, j, k; - - GLWIN_DEBUG_MSG("init_visuals\n"); - - if (numConfigs > 0) - numNewConfigs = numConfigs; - else - numNewConfigs = NUM_FALLBACK_CONFIGS; - - /* Alloc space for the list of new GLX visuals */ - pNewVisualConfigs = (__GLXvisualConfig *) - __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig)); - if (!pNewVisualConfigs) { - return FALSE; - } - - /* Alloc space for the list of new GLX visual privates */ - pNewVisualPriv = (void **) __glXMalloc(numNewConfigs * sizeof(void *)); - if (!pNewVisualPriv) { - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* - ** If SetVisualConfigs was not called, then use default GLX - ** visual configs. - */ - if (numConfigs == 0) { - memcpy(pNewVisualConfigs, FallbackConfigs, - NUM_FALLBACK_CONFIGS * sizeof(__GLXvisualConfig)); - memset(pNewVisualPriv, 0, NUM_FALLBACK_CONFIGS * sizeof(void *)); - } - else { - /* copy driver's visual config info */ - for (i = 0; i < numConfigs; i++) { - pNewVisualConfigs[i] = visualConfigs[i]; - pNewVisualPriv[i] = visualPrivates[i]; - } - } - - /* Count the number of RGB and CI visual configs */ - numRGBconfigs = 0; - numCIconfigs = 0; - for (i = 0; i < numNewConfigs; i++) { - if (pNewVisualConfigs[i].rgba) - numRGBconfigs++; - else - numCIconfigs++; - } - - /* Count the total number of visuals to compute */ - numNewVisuals = 0; - for (i = 0; i < numVisuals; i++) { - int count; - - count = ((pVisual[i].class == TrueColor - || pVisual[i].class == DirectColor) - ? numRGBconfigs : numCIconfigs); - if (count == 0) - count = 1; /* preserve the existing visual */ - - numNewVisuals += count; - } - - /* Reset variables for use with the next screen/driver's visual configs */ - visualConfigs = NULL; - numConfigs = 0; - - /* Alloc temp space for the list of orig VisualIDs for each new visual */ - orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID)); - if (!orig_vid) { - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* Alloc space for the list of glXVisuals */ - modes = _gl_context_modes_create(numNewVisuals, sizeof(__GLcontextModes)); - if (modes == NULL) { - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* Alloc space for the list of glXVisualPrivates */ - glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *)); - if (!glXVisualPriv) { - _gl_context_modes_destroy( modes ); - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* Alloc space for the new list of the X server's visuals */ - pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec)); - if (!pVisualNew) { - __glXFree(glXVisualPriv); - _gl_context_modes_destroy( modes ); - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* Initialize the new visuals */ - found_default = FALSE; - glWinScreens[screenInfo.numScreens-1].modes = modes; - for (i = j = 0; i < numVisuals; i++) { - int is_rgb = (pVisual[i].class == TrueColor || - pVisual[i].class == DirectColor); - - if (!is_rgb) - { - /* We don't support non-rgb visuals for GL. But we don't - want to remove them either, so just pass them through - with null glX configs */ - - pVisualNew[j] = pVisual[i]; - pVisualNew[j].vid = FakeClientID(0); - - /* Check for the default visual */ - if (!found_default && pVisual[i].vid == *defaultVisp) { - *defaultVisp = pVisualNew[j].vid; - found_default = TRUE; - } - - /* Save the old VisualID */ - orig_vid[j] = pVisual[i].vid; - - /* Initialize the glXVisual */ - _gl_copy_visual_to_context_mode( modes, & NullConfig ); - modes->visualID = pVisualNew[j].vid; - - j++; - - continue; - } - - for (k = 0; k < numNewConfigs; k++) { - if (pNewVisualConfigs[k].rgba != is_rgb) - continue; - - assert( modes != NULL ); - - /* Initialize the new visual */ - pVisualNew[j] = pVisual[i]; - pVisualNew[j].vid = FakeClientID(0); - - /* Check for the default visual */ - if (!found_default && pVisual[i].vid == *defaultVisp) { - *defaultVisp = pVisualNew[j].vid; - found_default = TRUE; - } - - /* Save the old VisualID */ - orig_vid[j] = pVisual[i].vid; - - /* Initialize the glXVisual */ - _gl_copy_visual_to_context_mode( modes, & pNewVisualConfigs[k] ); - modes->visualID = pVisualNew[j].vid; - - /* - * If the class is -1, then assume the X visual information - * is identical to what GLX needs, and take them from the X - * visual. NOTE: if class != -1, then all other fields MUST - * be initialized. - */ - if (modes->visualType == GLX_NONE) { - modes->visualType = _gl_convert_from_x_visual_type( pVisual[i].class ); - modes->redBits = count_bits(pVisual[i].redMask); - modes->greenBits = count_bits(pVisual[i].greenMask); - modes->blueBits = count_bits(pVisual[i].blueMask); - modes->alphaBits = modes->alphaBits; - modes->redMask = pVisual[i].redMask; - modes->greenMask = pVisual[i].greenMask; - modes->blueMask = pVisual[i].blueMask; - modes->alphaMask = modes->alphaMask; - modes->rgbBits = (is_rgb) - ? (modes->redBits + modes->greenBits + - modes->blueBits + modes->alphaBits) - : rootDepth; - } - - /* Save the device-dependent private for this visual */ - glXVisualPriv[j] = pNewVisualPriv[k]; - - j++; - modes = modes->next; - } - } - - assert(j <= numNewVisuals); - - /* Save the GLX visuals in the screen structure */ - glWinScreens[screenInfo.numScreens-1].num_vis = numNewVisuals; - glWinScreens[screenInfo.numScreens-1].priv = glXVisualPriv; - - /* Set up depth's VisualIDs */ - for (i = 0; i < ndepth; i++) { - int numVids = 0; - VisualID *pVids = NULL; - int k, n = 0; - - /* Count the new number of VisualIDs at this depth */ - for (j = 0; j < pdepth[i].numVids; j++) - for (k = 0; k < numNewVisuals; k++) - if (pdepth[i].vids[j] == orig_vid[k]) - numVids++; - - /* Allocate a new list of VisualIDs for this depth */ - pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID)); - - /* Initialize the new list of VisualIDs for this depth */ - for (j = 0; j < pdepth[i].numVids; j++) - for (k = 0; k < numNewVisuals; k++) - if (pdepth[i].vids[j] == orig_vid[k]) - pVids[n++] = pVisualNew[k].vid; - - /* Update this depth's list of VisualIDs */ - __glXFree(pdepth[i].vids); - pdepth[i].vids = pVids; - pdepth[i].numVids = numVids; - } - - /* Update the X server's visuals */ - *nvisualp = numNewVisuals; - *visualp = pVisualNew; - - /* Free the old list of the X server's visuals */ - __glXFree(pVisual); - - /* Clean up temporary allocations */ - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - - /* Free the private list created by DDX HW driver */ - if (visualPrivates) - xfree(visualPrivates); - visualPrivates = NULL; - - return TRUE; -} - - -static void fixup_visuals(int screen) -{ - ScreenPtr pScreen = screenInfo.screens[screen]; - glWinScreenRec *pScr = &glWinScreens[screen]; - __GLcontextModes *modes; - int j; - - GLWIN_DEBUG_MSG("fixup_visuals\n"); - - for (modes = pScr->modes; modes != NULL; modes = modes->next ) { - const int vis_class = _gl_convert_to_x_visual_type( modes->visualType ); - const int nplanes = (modes->rgbBits - modes->alphaBits); - VisualPtr pVis = pScreen->visuals; - - /* Find a visual that matches the GLX visual's class and size */ - for (j = 0; j < pScreen->numVisuals; j++) { - if (pVis[j].class == vis_class && - pVis[j].nplanes == nplanes) { - - /* Fixup the masks */ - modes->redMask = pVis[j].redMask; - modes->greenMask = pVis[j].greenMask; - modes->blueMask = pVis[j].blueMask; - - /* Recalc the sizes */ - modes->redBits = count_bits(modes->redMask); - modes->greenBits = count_bits(modes->greenMask); - modes->blueBits = count_bits(modes->blueMask); - } - } - } -} - -static void init_screen_visuals(int screen) -{ - ScreenPtr pScreen = screenInfo.screens[screen]; - __GLcontextModes *modes; - int *used; - int i, j; - - GLWIN_DEBUG_MSG("init_screen_visuals\n"); - - used = (int *)__glXMalloc(pScreen->numVisuals * sizeof(int)); - __glXMemset(used, 0, pScreen->numVisuals * sizeof(int)); - - i = 0; - for ( modes = glWinScreens[screen].modes - ; modes != NULL - ; modes = modes->next) { - const int vis_class = _gl_convert_to_x_visual_type( modes->visualType ); - const int nplanes = (modes->rgbBits - modes->alphaBits); - const VisualPtr pVis = pScreen->visuals; - - for (j = 0; j < pScreen->numVisuals; j++) { - - if (pVis[j].class == vis_class && - pVis[j].nplanes == nplanes && - pVis[j].redMask == modes->redMask && - pVis[j].greenMask == modes->greenMask && - pVis[j].blueMask == modes->blueMask && - !used[j]) { - -#if 0 - /* Create the XMesa visual */ - pXMesaVisual[i] = - XMesaCreateVisual(pScreen, - pVis, - modes->rgbMode, - (modes->alphaBits > 0), - modes->doubleBufferMode, - modes->stereoMode, - GL_TRUE, /* ximage_flag */ - modes->depthBits, - modes->stencilBits, - modes->accumRedBits, - modes->accumGreenBits, - modes->accumBlueBits, - modes->accumAlphaBits, - modes->samples, - modes->level, - modes->visualRating); -#endif - - /* Set the VisualID */ - modes->visualID = pVis[j].vid; - - /* Mark this visual used */ - used[j] = 1; - break; - } - } - - if ( j == pScreen->numVisuals ) { - ErrorF("No matching visual for __GLcontextMode with " - "visual class = %d (%d), nplanes = %u\n", - vis_class, - modes->visualType, - (modes->rgbBits - modes->alphaBits) ); - } - else if ( modes->visualID == -1 ) { - FatalError( "Matching visual found, but visualID still -1!\n" ); - } - - i++; - - } - - __glXFree(used); - - /* glWinScreens[screen].xm_vis = pXMesaVisual; */ -} - -static Bool glWinScreenProbe(int screen) -{ - ScreenPtr pScreen; - glWinScreenRec *screenPriv; - - GLWIN_DEBUG_MSG("glWinScreenProbe\n"); - - /* - * Set up the current screen's visuals. - */ - __glDDXScreenInfo.modes = glWinScreens[screen].modes; - __glDDXScreenInfo.pVisualPriv = glWinScreens[screen].priv; - __glDDXScreenInfo.numVisuals = - __glDDXScreenInfo.numUsableVisuals = glWinScreens[screen].num_vis; - - /* - * Set the current screen's createContext routine. This could be - * wrapped by a DDX GLX context creation routine. - */ - __glDDXScreenInfo.createContext = glWinCreateContext; - - /* - * The ordering of the rgb compenents might have been changed by the - * driver after mi initialized them. - */ - fixup_visuals(screen); - - /* - * Find the GLX visuals that are supported by this screen and create - * XMesa's visuals. - */ - init_screen_visuals(screen); - - /* Wrap RealizeWindow and UnrealizeWindow on this screen */ - pScreen = screenInfo.screens[screen]; - screenPriv = &glWinScreens[screen]; - screenPriv->RealizeWindow = pScreen->RealizeWindow; - pScreen->RealizeWindow = glWinRealizeWindow; - screenPriv->UnrealizeWindow = pScreen->UnrealizeWindow; - pScreen->UnrealizeWindow = glWinUnrealizeWindow; - screenPriv->CopyWindow = pScreen->CopyWindow; - pScreen->CopyWindow = glWinCopyWindow; - - return TRUE; -} - -static GLboolean glWinSwapBuffers(__GLXdrawablePrivate *glxPriv) -{ - /* swap buffers on only *one* of the contexts - * (e.g. the last one for drawing) - */ - __GLcontext *gc = (__GLcontext *)glxPriv->drawGlxc->gc; - HDC dc; - BOOL ret; - - GLWIN_TRACE_MSG("glWinSwapBuffers (ctx %p)\n", (gc!=NULL?gc->ctx:NULL)); - - if (gc != NULL && gc->ctx != NULL) - { - dc = glWinMakeDC(gc); - if (dc == NULL) - return GL_FALSE; - - ret = SwapBuffers(dc); - if (!ret) - ErrorF("SwapBuffers failed: %s\n", glWinErrorMessage()); - - ReleaseDC(gc->winInfo.hwnd, dc); - if (!ret) - return GL_FALSE; - } - - return GL_TRUE; -} - -static void glWinDestroyDrawablePrivate(__GLdrawablePrivate *glPriv) -{ - GLWIN_DEBUG_MSG("glWinDestroyDrawablePrivate\n"); - - /* It doesn't work to call DRIDestroySurface here, the drawable's - already gone.. But dri.c notices the window destruction and - frees the surface itself. */ - - free(glPriv->private); - glPriv->private = NULL; -} - - -static void glWinCreateBuffer(__GLXdrawablePrivate *glxPriv) -{ - GLWinDrawableRec *winPriv = malloc(sizeof(GLWinDrawableRec)); - __GLdrawablePrivate *glPriv = &glxPriv->glPriv; - - /*winPriv->sid = 0; */ - winPriv->pDraw = NULL; - - GLWIN_DEBUG_MSG("glWinCreateBuffer\n"); - - /* replace swapBuffers (original is never called) */ - glxPriv->swapBuffers = glWinSwapBuffers; - - /* stash private data */ - glPriv->private = winPriv; - glPriv->freePrivate = glWinDestroyDrawablePrivate; -} - -static void glWinResetExtension(void) -{ - GLWIN_DEBUG_MSG("glWinResetExtension\n"); -} - -/* based on code in apples/indirect.c which is based on i830_dri.c */ -static void -glWinInitVisualConfigs(void) -{ - int lclNumConfigs = 0; - __GLXvisualConfig *lclVisualConfigs = NULL; - void **lclVisualPrivates = NULL; - - int depth, aux, buffers, stencil, accum; - int i = 0; - - GLWIN_DEBUG_MSG("glWinInitVisualConfigs "); - - /* count num configs: - 2 Z buffer (0, 24 bit) - 2 AUX buffer (0, 2) - 2 buffers (single, double) - 2 stencil (0, 8 bit) - 2 accum (0, 64 bit) - = 32 configs */ - - lclNumConfigs = 2 * 2 * 2 * 2 * 2; /* 32 */ - - /* alloc */ - lclVisualConfigs = xcalloc(sizeof(__GLXvisualConfig), lclNumConfigs); - lclVisualPrivates = xcalloc(sizeof(void *), lclNumConfigs); - - /* fill in configs */ - if (NULL != lclVisualConfigs) { - i = 0; /* current buffer */ - for (depth = 0; depth < 2; depth++) { - for (aux = 0; aux < 2; aux++) { - for (buffers = 0; buffers < 2; buffers++) { - for (stencil = 0; stencil < 2; stencil++) { - for (accum = 0; accum < 2; accum++) { - lclVisualConfigs[i].vid = -1; - lclVisualConfigs[i].class = -1; - lclVisualConfigs[i].rgba = TRUE; - lclVisualConfigs[i].redSize = -1; - lclVisualConfigs[i].greenSize = -1; - lclVisualConfigs[i].blueSize = -1; - lclVisualConfigs[i].redMask = -1; - lclVisualConfigs[i].greenMask = -1; - lclVisualConfigs[i].blueMask = -1; - lclVisualConfigs[i].alphaMask = 0; - if (accum) { - lclVisualConfigs[i].accumRedSize = 16; - lclVisualConfigs[i].accumGreenSize = 16; - lclVisualConfigs[i].accumBlueSize = 16; - lclVisualConfigs[i].accumAlphaSize = 16; - } - else { - lclVisualConfigs[i].accumRedSize = 0; - lclVisualConfigs[i].accumGreenSize = 0; - lclVisualConfigs[i].accumBlueSize = 0; - lclVisualConfigs[i].accumAlphaSize = 0; - } - lclVisualConfigs[i].doubleBuffer = buffers ? TRUE : FALSE; - lclVisualConfigs[i].stereo = FALSE; - lclVisualConfigs[i].bufferSize = -1; - - lclVisualConfigs[i].depthSize = depth? 24 : 0; - lclVisualConfigs[i].stencilSize = stencil ? 8 : 0; - lclVisualConfigs[i].auxBuffers = aux ? 2 : 0; - lclVisualConfigs[i].level = 0; - lclVisualConfigs[i].visualRating = GLX_NONE_EXT; - lclVisualConfigs[i].transparentPixel = 0; - lclVisualConfigs[i].transparentRed = 0; - lclVisualConfigs[i].transparentGreen = 0; - lclVisualConfigs[i].transparentBlue = 0; - lclVisualConfigs[i].transparentAlpha = 0; - lclVisualConfigs[i].transparentIndex = 0; - i++; - } - } - } - } - } - } - if (i != lclNumConfigs) - GLWIN_DEBUG_MSG("glWinInitVisualConfigs failed to alloc visual configs"); - - GlxSetVisualConfigs(lclNumConfigs, lclVisualConfigs, lclVisualPrivates); -} - -/* Copied from Mesa */ -static void glWinSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, - void **privates) -{ - GLWIN_DEBUG_MSG("glWinSetVisualConfigs\n"); - - numConfigs = nconfigs; - visualConfigs = configs; - visualPrivates = privates; -} - -/* Copied from Mesa */ -static Bool glWinInitVisuals(VisualPtr *visualp, DepthPtr *depthp, - int *nvisualp, int *ndepthp, - int *rootDepthp, VisualID *defaultVisp, - unsigned long sizes, int bitsPerRGB) -{ - glWinInitDebugSettings(); - - GLWIN_DEBUG_MSG("glWinInitVisuals\n"); - - if (0 == numConfigs) /* if no configs */ - glWinInitVisualConfigs(); /* ensure the visula configs are setup */ - - /* - * Setup the visuals supported by this particular screen. - */ - return init_visuals(nvisualp, visualp, defaultVisp, - *ndepthp, *depthp, *rootDepthp); -} |