diff options
Diffstat (limited to 'src/egl/drivers/xdri/glxinit.c')
| -rw-r--r-- | src/egl/drivers/xdri/glxinit.c | 682 |
1 files changed, 0 insertions, 682 deletions
diff --git a/src/egl/drivers/xdri/glxinit.c b/src/egl/drivers/xdri/glxinit.c deleted file mode 100644 index ba6132788a7..00000000000 --- a/src/egl/drivers/xdri/glxinit.c +++ /dev/null @@ -1,682 +0,0 @@ -/** - * GLX initialization. Code based on glxext.c, glx_query.c, and - * glcontextmodes.c under src/glx/x11/. The major difference is that DRI - * related code is stripped out. - * - * If the maintenance of this file takes too much time, we should consider - * refactoring glxext.c. - */ - -#include <assert.h> -#include <X11/Xlib.h> -#include <X11/Xproto.h> -#include <X11/extensions/Xext.h> -#include <X11/extensions/extutil.h> -#include <sys/time.h> - -#include "glxinit.h" - -typedef struct GLXGenericGetString -{ - CARD8 reqType; - CARD8 glxCode; - CARD16 length B16; - CARD32 for_whom B32; - CARD32 name B32; -} xGLXGenericGetStringReq; - -#define sz_xGLXGenericGetStringReq 12 -#define X_GLXGenericGetString 0 - -/* Extension required boiler plate */ - -static char *__glXExtensionName = GLX_EXTENSION_NAME; -static XExtensionInfo *__glXExtensionInfo = NULL; - -static int -__glXCloseDisplay(Display * dpy, XExtCodes * codes) -{ - return XextRemoveDisplay(__glXExtensionInfo, dpy); -} - -static /* const */ XExtensionHooks __glXExtensionHooks = { - NULL, /* create_gc */ - NULL, /* copy_gc */ - NULL, /* flush_gc */ - NULL, /* free_gc */ - NULL, /* create_font */ - NULL, /* free_font */ - __glXCloseDisplay, /* close_display */ - NULL, /* wire_to_event */ - NULL, /* event_to_wire */ - NULL, /* error */ - NULL, /* error_string */ -}; - -XEXT_GENERATE_FIND_DISPLAY(__glXFindDisplay, __glXExtensionInfo, - __glXExtensionName, &__glXExtensionHooks, - __GLX_NUMBER_EVENTS, NULL) - -static GLint -_gl_convert_from_x_visual_type(int visualType) -{ -#define NUM_VISUAL_TYPES 6 - static const int glx_visual_types[NUM_VISUAL_TYPES] = { - GLX_STATIC_GRAY, GLX_GRAY_SCALE, - GLX_STATIC_COLOR, GLX_PSEUDO_COLOR, - GLX_TRUE_COLOR, GLX_DIRECT_COLOR - }; - - return ((unsigned) visualType < NUM_VISUAL_TYPES) - ? glx_visual_types[visualType] : GLX_NONE; -} - -static __GLcontextModes * -_gl_context_modes_create(unsigned count, size_t minimum_size) -{ - const size_t size = (minimum_size > sizeof(__GLcontextModes)) - ? minimum_size : sizeof(__GLcontextModes); - __GLcontextModes *base = NULL; - __GLcontextModes **next; - unsigned i; - - next = &base; - for (i = 0; i < count; i++) { - *next = (__GLcontextModes *) Xmalloc(size); - if (*next == NULL) { - _gl_context_modes_destroy(base); - base = NULL; - break; - } - - memset(*next, 0, size); - (*next)->visualID = GLX_DONT_CARE; - (*next)->visualType = GLX_DONT_CARE; - (*next)->visualRating = GLX_NONE; - (*next)->transparentPixel = GLX_NONE; - (*next)->transparentRed = GLX_DONT_CARE; - (*next)->transparentGreen = GLX_DONT_CARE; - (*next)->transparentBlue = GLX_DONT_CARE; - (*next)->transparentAlpha = GLX_DONT_CARE; - (*next)->transparentIndex = GLX_DONT_CARE; - (*next)->xRenderable = GLX_DONT_CARE; - (*next)->fbconfigID = GLX_DONT_CARE; - (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML; - (*next)->bindToTextureRgb = GLX_DONT_CARE; - (*next)->bindToTextureRgba = GLX_DONT_CARE; - (*next)->bindToMipmapTexture = GLX_DONT_CARE; - (*next)->bindToTextureTargets = GLX_DONT_CARE; - (*next)->yInverted = GLX_DONT_CARE; - - next = &((*next)->next); - } - - return base; -} - -_X_HIDDEN void -_gl_context_modes_destroy(__GLcontextModes * modes) -{ - while (modes != NULL) { - __GLcontextModes *const next = modes->next; - - Xfree(modes); - modes = next; - } -} - -_X_HIDDEN char * -__glXQueryServerString(Display * dpy, int opcode, CARD32 screen, CARD32 name) -{ - xGLXGenericGetStringReq *req; - xGLXSingleReply reply; - int length; - int numbytes; - char *buf; - CARD32 for_whom = screen; - CARD32 glxCode = X_GLXQueryServerString; - - - LockDisplay(dpy); - - - /* All of the GLX protocol requests for getting a string from the server - * look the same. The exact meaning of the for_whom field is usually - * either the screen number (for glXQueryServerString) or the context tag - * (for GLXSingle). - */ - - GetReq(GLXGenericGetString, req); - req->reqType = opcode; - req->glxCode = glxCode; - req->for_whom = for_whom; - req->name = name; - - _XReply(dpy, (xReply *) & reply, 0, False); - - length = reply.length * 4; - numbytes = reply.size; - - buf = (char *) Xmalloc(numbytes); - if (buf != NULL) { - _XRead(dpy, buf, numbytes); - length -= numbytes; - } - - _XEatData(dpy, length); - - UnlockDisplay(dpy); - SyncHandle(); - - return buf; -} - -/************************************************************************/ -/* -** Free the per screen configs data as well as the array of -** __glXScreenConfigs. -*/ -static void -FreeScreenConfigs(__GLXdisplayPrivate * priv) -{ - __GLXscreenConfigs *psc; - GLint i, screens; - - /* Free screen configuration information */ - psc = priv->screenConfigs; - screens = ScreenCount(priv->dpy); - for (i = 0; i < screens; i++, psc++) { - if (psc->configs) { - _gl_context_modes_destroy(psc->configs); - psc->configs = NULL; /* NOTE: just for paranoia */ - } - if (psc->visuals) { - _gl_context_modes_destroy(psc->visuals); - psc->visuals = NULL; /* NOTE: just for paranoia */ - } - Xfree((char *) psc->serverGLXexts); - } - XFree((char *) priv->screenConfigs); - priv->screenConfigs = NULL; -} - -/* -** Release the private memory referred to in a display private -** structure. The caller will free the extension structure. -*/ -static int -__glXFreeDisplayPrivate(XExtData * extension) -{ - __GLXdisplayPrivate *priv; - - priv = (__GLXdisplayPrivate *) extension->private_data; - FreeScreenConfigs(priv); - if (priv->serverGLXvendor) { - Xfree((char *) priv->serverGLXvendor); - priv->serverGLXvendor = 0x0; /* to protect against double free's */ - } - if (priv->serverGLXversion) { - Xfree((char *) priv->serverGLXversion); - priv->serverGLXversion = 0x0; /* to protect against double free's */ - } - - Xfree((char *) priv); - return 0; -} - -/************************************************************************/ - -/* -** Query the version of the GLX extension. This procedure works even if -** the client extension is not completely set up. -*/ -static Bool -QueryVersion(Display * dpy, int opcode, int *major, int *minor) -{ - xGLXQueryVersionReq *req; - xGLXQueryVersionReply reply; - - /* Send the glXQueryVersion request */ - LockDisplay(dpy); - GetReq(GLXQueryVersion, req); - req->reqType = opcode; - req->glxCode = X_GLXQueryVersion; - req->majorVersion = GLX_MAJOR_VERSION; - req->minorVersion = GLX_MINOR_VERSION; - _XReply(dpy, (xReply *) & reply, 0, False); - UnlockDisplay(dpy); - SyncHandle(); - - if (reply.majorVersion != GLX_MAJOR_VERSION) { - /* - ** The server does not support the same major release as this - ** client. - */ - return GL_FALSE; - } - *major = reply.majorVersion; - *minor = min(reply.minorVersion, GLX_MINOR_VERSION); - return GL_TRUE; -} - -_X_HIDDEN void -__glXInitializeVisualConfigFromTags(__GLcontextModes * config, int count, - const INT32 * bp, Bool tagged_only, - Bool fbconfig_style_tags) -{ - int i; - - if (!tagged_only) { - /* Copy in the first set of properties */ - config->visualID = *bp++; - - config->visualType = _gl_convert_from_x_visual_type(*bp++); - - config->rgbMode = *bp++; - - config->redBits = *bp++; - config->greenBits = *bp++; - config->blueBits = *bp++; - config->alphaBits = *bp++; - config->accumRedBits = *bp++; - config->accumGreenBits = *bp++; - config->accumBlueBits = *bp++; - config->accumAlphaBits = *bp++; - - config->doubleBufferMode = *bp++; - config->stereoMode = *bp++; - - config->rgbBits = *bp++; - config->depthBits = *bp++; - config->stencilBits = *bp++; - config->numAuxBuffers = *bp++; - config->level = *bp++; - - count -= __GLX_MIN_CONFIG_PROPS; - } - - /* - ** Additional properties may be in a list at the end - ** of the reply. They are in pairs of property type - ** and property value. - */ - -#define FETCH_OR_SET(tag) \ - config-> tag = ( fbconfig_style_tags ) ? *bp++ : 1 - - for (i = 0; i < count; i += 2) { - switch (*bp++) { - case GLX_RGBA: - FETCH_OR_SET(rgbMode); - break; - case GLX_BUFFER_SIZE: - config->rgbBits = *bp++; - break; - case GLX_LEVEL: - config->level = *bp++; - break; - case GLX_DOUBLEBUFFER: - FETCH_OR_SET(doubleBufferMode); - break; - case GLX_STEREO: - FETCH_OR_SET(stereoMode); - break; - case GLX_AUX_BUFFERS: - config->numAuxBuffers = *bp++; - break; - case GLX_RED_SIZE: - config->redBits = *bp++; - break; - case GLX_GREEN_SIZE: - config->greenBits = *bp++; - break; - case GLX_BLUE_SIZE: - config->blueBits = *bp++; - break; - case GLX_ALPHA_SIZE: - config->alphaBits = *bp++; - break; - case GLX_DEPTH_SIZE: - config->depthBits = *bp++; - break; - case GLX_STENCIL_SIZE: - config->stencilBits = *bp++; - break; - case GLX_ACCUM_RED_SIZE: - config->accumRedBits = *bp++; - break; - case GLX_ACCUM_GREEN_SIZE: - config->accumGreenBits = *bp++; - break; - case GLX_ACCUM_BLUE_SIZE: - config->accumBlueBits = *bp++; - break; - case GLX_ACCUM_ALPHA_SIZE: - config->accumAlphaBits = *bp++; - break; - case GLX_VISUAL_CAVEAT_EXT: - config->visualRating = *bp++; - break; - case GLX_X_VISUAL_TYPE: - config->visualType = *bp++; - break; - case GLX_TRANSPARENT_TYPE: - config->transparentPixel = *bp++; - break; - case GLX_TRANSPARENT_INDEX_VALUE: - config->transparentIndex = *bp++; - break; - case GLX_TRANSPARENT_RED_VALUE: - config->transparentRed = *bp++; - break; - case GLX_TRANSPARENT_GREEN_VALUE: - config->transparentGreen = *bp++; - break; - case GLX_TRANSPARENT_BLUE_VALUE: - config->transparentBlue = *bp++; - break; - case GLX_TRANSPARENT_ALPHA_VALUE: - config->transparentAlpha = *bp++; - break; - case GLX_VISUAL_ID: - config->visualID = *bp++; - break; - case GLX_DRAWABLE_TYPE: - config->drawableType = *bp++; - break; - case GLX_RENDER_TYPE: - config->renderType = *bp++; - break; - case GLX_X_RENDERABLE: - config->xRenderable = *bp++; - break; - case GLX_FBCONFIG_ID: - config->fbconfigID = *bp++; - break; - case GLX_MAX_PBUFFER_WIDTH: - config->maxPbufferWidth = *bp++; - break; - case GLX_MAX_PBUFFER_HEIGHT: - config->maxPbufferHeight = *bp++; - break; - case GLX_MAX_PBUFFER_PIXELS: - config->maxPbufferPixels = *bp++; - break; - case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX: - config->optimalPbufferWidth = *bp++; - break; - case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX: - config->optimalPbufferHeight = *bp++; - break; - case GLX_VISUAL_SELECT_GROUP_SGIX: - config->visualSelectGroup = *bp++; - break; - case GLX_SWAP_METHOD_OML: - config->swapMethod = *bp++; - break; - case GLX_SAMPLE_BUFFERS_SGIS: - config->sampleBuffers = *bp++; - break; - case GLX_SAMPLES_SGIS: - config->samples = *bp++; - break; - case GLX_BIND_TO_TEXTURE_RGB_EXT: - config->bindToTextureRgb = *bp++; - break; - case GLX_BIND_TO_TEXTURE_RGBA_EXT: - config->bindToTextureRgba = *bp++; - break; - case GLX_BIND_TO_MIPMAP_TEXTURE_EXT: - config->bindToMipmapTexture = *bp++; - break; - case GLX_BIND_TO_TEXTURE_TARGETS_EXT: - config->bindToTextureTargets = *bp++; - break; - case GLX_Y_INVERTED_EXT: - config->yInverted = *bp++; - break; - case None: - i = count; - break; - default: - break; - } - } - - config->renderType = - (config->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT; - - config->haveAccumBuffer = ((config->accumRedBits + - config->accumGreenBits + - config->accumBlueBits + - config->accumAlphaBits) > 0); - config->haveDepthBuffer = (config->depthBits > 0); - config->haveStencilBuffer = (config->stencilBits > 0); -} - -static __GLcontextModes * -createConfigsFromProperties(Display * dpy, int nvisuals, int nprops, - int screen, GLboolean tagged_only) -{ - INT32 buf[__GLX_TOTAL_CONFIG], *props; - unsigned prop_size; - __GLcontextModes *modes, *m; - int i; - - if (nprops == 0) - return NULL; - - /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */ - - /* Check number of properties */ - if (nprops < __GLX_MIN_CONFIG_PROPS || nprops > __GLX_MAX_CONFIG_PROPS) - return NULL; - - /* Allocate memory for our config structure */ - modes = _gl_context_modes_create(nvisuals, sizeof(__GLcontextModes)); - if (!modes) - return NULL; - - prop_size = nprops * __GLX_SIZE_INT32; - if (prop_size <= sizeof(buf)) - props = buf; - else - props = Xmalloc(prop_size); - - /* Read each config structure and convert it into our format */ - m = modes; - for (i = 0; i < nvisuals; i++) { - _XRead(dpy, (char *) props, prop_size); - /* Older X servers don't send this so we default it here. */ - m->drawableType = GLX_WINDOW_BIT; - __glXInitializeVisualConfigFromTags(m, nprops, props, - tagged_only, GL_TRUE); - m->screen = screen; - m = m->next; - } - - if (props != buf) - Xfree(props); - - return modes; -} - -static GLboolean -getVisualConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen) -{ - xGLXGetVisualConfigsReq *req; - __GLXscreenConfigs *psc; - xGLXGetVisualConfigsReply reply; - - LockDisplay(dpy); - - psc = priv->screenConfigs + screen; - psc->visuals = NULL; - GetReq(GLXGetVisualConfigs, req); - req->reqType = priv->majorOpcode; - req->glxCode = X_GLXGetVisualConfigs; - req->screen = screen; - - if (!_XReply(dpy, (xReply *) & reply, 0, False)) - goto out; - - psc->visuals = createConfigsFromProperties(dpy, - reply.numVisuals, - reply.numProps, - screen, GL_FALSE); - - out: - UnlockDisplay(dpy); - return psc->visuals != NULL; -} - -static GLboolean -getFBConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen) -{ - xGLXGetFBConfigsReq *fb_req; - xGLXGetFBConfigsSGIXReq *sgi_req; - xGLXVendorPrivateWithReplyReq *vpreq; - xGLXGetFBConfigsReply reply; - __GLXscreenConfigs *psc; - - psc = priv->screenConfigs + screen; - psc->serverGLXexts = - __glXQueryServerString(dpy, priv->majorOpcode, screen, GLX_EXTENSIONS); - - LockDisplay(dpy); - - psc->configs = NULL; - if (atof(priv->serverGLXversion) >= 1.3) { - GetReq(GLXGetFBConfigs, fb_req); - fb_req->reqType = priv->majorOpcode; - fb_req->glxCode = X_GLXGetFBConfigs; - fb_req->screen = screen; - } - else if (strstr(psc->serverGLXexts, "GLX_SGIX_fbconfig") != NULL) { - GetReqExtra(GLXVendorPrivateWithReply, - sz_xGLXGetFBConfigsSGIXReq + - sz_xGLXVendorPrivateWithReplyReq, vpreq); - sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq; - sgi_req->reqType = priv->majorOpcode; - sgi_req->glxCode = X_GLXVendorPrivateWithReply; - sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX; - sgi_req->screen = screen; - } - else - goto out; - - if (!_XReply(dpy, (xReply *) & reply, 0, False)) - goto out; - - psc->configs = createConfigsFromProperties(dpy, - reply.numFBConfigs, - reply.numAttribs * 2, - screen, GL_TRUE); - - out: - UnlockDisplay(dpy); - return psc->configs != NULL; -} - -static GLboolean -AllocAndFetchScreenConfigs(Display * dpy, __GLXdisplayPrivate * priv) -{ - __GLXscreenConfigs *psc; - GLint i, screens; - - /* - ** First allocate memory for the array of per screen configs. - */ - screens = ScreenCount(dpy); - psc = (__GLXscreenConfigs *) Xmalloc(screens * sizeof(__GLXscreenConfigs)); - if (!psc) { - return GL_FALSE; - } - memset(psc, 0, screens * sizeof(__GLXscreenConfigs)); - priv->screenConfigs = psc; - - priv->serverGLXversion = - __glXQueryServerString(dpy, priv->majorOpcode, 0, GLX_VERSION); - if (priv->serverGLXversion == NULL) { - FreeScreenConfigs(priv); - return GL_FALSE; - } - - for (i = 0; i < screens; i++, psc++) { - getFBConfigs(dpy, priv, i); - getVisualConfigs(dpy, priv, i); - psc->scr = i; - psc->dpy = dpy; - } - - SyncHandle(); - - return GL_TRUE; -} - -_X_HIDDEN __GLXdisplayPrivate * -__glXInitialize(Display * dpy) -{ - XExtDisplayInfo *info = __glXFindDisplay(dpy); - XExtData **privList, *private, *found; - __GLXdisplayPrivate *dpyPriv; - XEDataObject dataObj; - int major, minor; - - if (!XextHasExtension(info)) - return NULL; - - /* See if a display private already exists. If so, return it */ - dataObj.display = dpy; - privList = XEHeadOfExtensionList(dataObj); - found = XFindOnExtensionList(privList, info->codes->extension); - if (found) - return (__GLXdisplayPrivate *) found->private_data; - - /* See if the versions are compatible */ - if (!QueryVersion(dpy, info->codes->major_opcode, &major, &minor)) - return NULL; - - /* - ** Allocate memory for all the pieces needed for this buffer. - */ - private = (XExtData *) Xmalloc(sizeof(XExtData)); - if (!private) - return NULL; - dpyPriv = (__GLXdisplayPrivate *) Xcalloc(1, sizeof(__GLXdisplayPrivate)); - if (!dpyPriv) { - Xfree(private); - return NULL; - } - - /* - ** Init the display private and then read in the screen config - ** structures from the server. - */ - dpyPriv->majorOpcode = info->codes->major_opcode; - dpyPriv->majorVersion = major; - dpyPriv->minorVersion = minor; - dpyPriv->dpy = dpy; - - dpyPriv->serverGLXvendor = NULL; - dpyPriv->serverGLXversion = NULL; - - if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) { - Xfree(dpyPriv); - Xfree(private); - return NULL; - } - - /* - ** Fill in the private structure. This is the actual structure that - ** hangs off of the Display structure. Our private structure is - ** referred to by this structure. Got that? - */ - private->number = info->codes->extension; - private->next = 0; - private->free_private = __glXFreeDisplayPrivate; - private->private_data = (char *) dpyPriv; - XAddToExtensionList(privList, private); - - return dpyPriv; -} |