1144 lines
33 KiB
C
1144 lines
33 KiB
C
/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*/
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/**
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* \file glxext.c
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* GLX protocol interface boot-strap code.
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*
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* Direct rendering support added by Precision Insight, Inc.
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*
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* \author Kevin E. Martin <kevin@precisioninsight.com>
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*/
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#include <assert.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#include "glxclient.h"
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#include <X11/extensions/Xext.h>
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#include <X11/extensions/extutil.h>
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#ifdef GLX_USE_APPLEGL
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#include "apple/apple_glx.h"
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#include "apple/apple_visual.h"
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#endif
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#include "glxextensions.h"
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#include "util/debug.h"
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#ifndef GLX_USE_APPLEGL
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#include "dri_common.h"
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#endif
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#include <X11/Xlib-xcb.h>
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#include <xcb/xcb.h>
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#include <xcb/glx.h>
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#define __GLX_MIN_CONFIG_PROPS 18
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#define __GLX_EXT_CONFIG_PROPS 32
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/*
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** Since we send all non-core visual properties as token, value pairs,
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** we require 2 words across the wire. In order to maintain backwards
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** compatibility, we need to send the total number of words that the
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** VisualConfigs are sent back in so old libraries can simply "ignore"
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** the new properties.
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*/
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#define __GLX_TOTAL_CONFIG \
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(__GLX_MIN_CONFIG_PROPS + 2 * __GLX_EXT_CONFIG_PROPS)
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_X_HIDDEN void
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glx_message(int level, const char *f, ...)
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{
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va_list args;
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int threshold = _LOADER_WARNING;
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const char *libgl_debug;
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libgl_debug = getenv("LIBGL_DEBUG");
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if (libgl_debug) {
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if (strstr(libgl_debug, "quiet"))
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threshold = _LOADER_FATAL;
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else if (strstr(libgl_debug, "verbose"))
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threshold = _LOADER_DEBUG;
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}
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/* Note that the _LOADER_* levels are lower numbers for more severe. */
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if (level <= threshold) {
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fprintf(stderr, "libGL%s: ", level <= _LOADER_WARNING ? " error" : "");
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va_start(args, f);
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vfprintf(stderr, f, args);
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va_end(args);
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}
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}
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/*
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** You can set this cell to 1 to force the gl drawing stuff to be
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** one command per packet
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*/
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_X_HIDDEN int __glXDebug = 0;
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/* Extension required boiler plate */
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static const char __glXExtensionName[] = GLX_EXTENSION_NAME;
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static struct glx_display *glx_displays;
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static /* const */ char *error_list[] = {
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"GLXBadContext",
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"GLXBadContextState",
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"GLXBadDrawable",
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"GLXBadPixmap",
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"GLXBadContextTag",
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"GLXBadCurrentWindow",
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"GLXBadRenderRequest",
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"GLXBadLargeRequest",
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"GLXUnsupportedPrivateRequest",
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"GLXBadFBConfig",
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"GLXBadPbuffer",
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"GLXBadCurrentDrawable",
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"GLXBadWindow",
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"GLXBadProfileARB",
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};
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#ifdef GLX_USE_APPLEGL
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static char *__glXErrorString(Display *dpy, int code, XExtCodes *codes,
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char *buf, int n);
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#endif
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static
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XEXT_GENERATE_ERROR_STRING(__glXErrorString, __glXExtensionName,
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__GLX_NUMBER_ERRORS, error_list)
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/*
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* GLX events are a bit funky. We don't stuff the X event code into
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* our user exposed (via XNextEvent) structure. Instead we use the GLX
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* private event code namespace (and hope it doesn't conflict). Clients
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* have to know that bit 15 in the event type field means they're getting
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* a GLX event, and then handle the various sub-event types there, rather
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* than simply checking the event code and handling it directly.
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*/
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static Bool
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__glXWireToEvent(Display *dpy, XEvent *event, xEvent *wire)
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{
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struct glx_display *glx_dpy = __glXInitialize(dpy);
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if (glx_dpy == NULL)
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return False;
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switch ((wire->u.u.type & 0x7f) - glx_dpy->codes.first_event) {
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case GLX_PbufferClobber:
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{
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GLXPbufferClobberEvent *aevent = (GLXPbufferClobberEvent *)event;
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xGLXPbufferClobberEvent *awire = (xGLXPbufferClobberEvent *)wire;
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aevent->event_type = awire->type;
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aevent->serial = awire->sequenceNumber;
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aevent->event_type = awire->event_type;
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aevent->draw_type = awire->draw_type;
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aevent->drawable = awire->drawable;
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aevent->buffer_mask = awire->buffer_mask;
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aevent->aux_buffer = awire->aux_buffer;
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aevent->x = awire->x;
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aevent->y = awire->y;
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aevent->width = awire->width;
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aevent->height = awire->height;
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aevent->count = awire->count;
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return True;
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}
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case GLX_BufferSwapComplete:
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{
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GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event;
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xGLXBufferSwapComplete2 *awire = (xGLXBufferSwapComplete2 *)wire;
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struct glx_drawable *glxDraw = GetGLXDrawable(dpy, awire->drawable);
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if (!glxDraw)
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return False;
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aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire);
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aevent->send_event = (awire->type & 0x80) != 0;
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aevent->display = dpy;
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aevent->event_type = awire->event_type;
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aevent->drawable = glxDraw->xDrawable;
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aevent->ust = ((CARD64)awire->ust_hi << 32) | awire->ust_lo;
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aevent->msc = ((CARD64)awire->msc_hi << 32) | awire->msc_lo;
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/* Handle 32-Bit wire sbc wraparound in both directions to cope with out
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* of sequence 64-Bit sbc's
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*/
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if ((int64_t) awire->sbc < ((int64_t) glxDraw->lastEventSbc - 0x40000000))
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glxDraw->eventSbcWrap += 0x100000000;
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if ((int64_t) awire->sbc > ((int64_t) glxDraw->lastEventSbc + 0x40000000))
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glxDraw->eventSbcWrap -= 0x100000000;
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glxDraw->lastEventSbc = awire->sbc;
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aevent->sbc = awire->sbc + glxDraw->eventSbcWrap;
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return True;
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}
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default:
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/* client doesn't support server event */
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break;
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}
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return False;
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}
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/* We don't actually support this. It doesn't make sense for clients to
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* send each other GLX events.
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*/
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static Status
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__glXEventToWire(Display *dpy, XEvent *event, xEvent *wire)
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{
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struct glx_display *glx_dpy = __glXInitialize(dpy);
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if (glx_dpy == NULL)
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return False;
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switch (event->type) {
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case GLX_DAMAGED:
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break;
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case GLX_SAVED:
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break;
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case GLX_EXCHANGE_COMPLETE_INTEL:
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break;
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case GLX_COPY_COMPLETE_INTEL:
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break;
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case GLX_FLIP_COMPLETE_INTEL:
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break;
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default:
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/* client doesn't support server event */
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break;
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}
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return Success;
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}
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/************************************************************************/
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/*
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** Free the per screen configs data as well as the array of
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** __glXScreenConfigs.
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*/
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static void
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FreeScreenConfigs(struct glx_display * priv)
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{
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struct glx_screen *psc;
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GLint i, screens;
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/* Free screen configuration information */
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screens = ScreenCount(priv->dpy);
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for (i = 0; i < screens; i++) {
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psc = priv->screens[i];
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if (!psc)
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continue;
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glx_screen_cleanup(psc);
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#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
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if (psc->driScreen) {
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psc->driScreen->destroyScreen(psc);
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} else {
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free(psc);
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}
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#else
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free(psc);
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#endif
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}
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free((char *) priv->screens);
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priv->screens = NULL;
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}
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#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
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static void
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free_zombie_glx_drawable(struct set_entry *entry)
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{
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__GLXDRIdrawable *pdraw = (__GLXDRIdrawable *)entry->key;
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pdraw->destroyDrawable(pdraw);
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}
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#endif
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static void
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glx_display_free(struct glx_display *priv)
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{
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struct glx_context *gc;
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gc = __glXGetCurrentContext();
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if (priv->dpy == gc->currentDpy) {
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gc->vtable->destroy(gc);
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__glXSetCurrentContextNull();
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}
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/* Needs to be done before free screen. */
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#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
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_mesa_set_destroy(priv->zombieGLXDrawable, free_zombie_glx_drawable);
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#endif
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FreeScreenConfigs(priv);
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__glxHashDestroy(priv->glXDrawHash);
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#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
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__glxHashDestroy(priv->drawHash);
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/* Free the direct rendering per display data */
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if (priv->driswDisplay)
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(*priv->driswDisplay->destroyDisplay) (priv->driswDisplay);
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priv->driswDisplay = NULL;
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#if defined (GLX_USE_DRM)
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if (priv->dri2Display)
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(*priv->dri2Display->destroyDisplay) (priv->dri2Display);
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priv->dri2Display = NULL;
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if (priv->dri3Display)
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(*priv->dri3Display->destroyDisplay) (priv->dri3Display);
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priv->dri3Display = NULL;
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#endif /* GLX_USE_DRM */
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#if defined(GLX_USE_WINDOWSGL)
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if (priv->windowsdriDisplay)
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(*priv->windowsdriDisplay->destroyDisplay) (priv->windowsdriDisplay);
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priv->windowsdriDisplay = NULL;
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#endif /* GLX_USE_WINDOWSGL */
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#endif /* GLX_DIRECT_RENDERING && !GLX_USE_APPLEGL */
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free((char *) priv);
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}
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static int
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__glXCloseDisplay(Display * dpy, XExtCodes * codes)
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{
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struct glx_display *priv, **prev;
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_XLockMutex(_Xglobal_lock);
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prev = &glx_displays;
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for (priv = glx_displays; priv; prev = &priv->next, priv = priv->next) {
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if (priv->dpy == dpy) {
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*prev = priv->next;
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break;
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}
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}
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_XUnlockMutex(_Xglobal_lock);
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if (priv != NULL)
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glx_display_free(priv);
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return 1;
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}
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/*
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** Query the version of the GLX extension. This procedure works even if
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** the client extension is not completely set up.
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*/
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static Bool
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QueryVersion(Display * dpy, int opcode, int *major, int *minor)
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{
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xcb_connection_t *c = XGetXCBConnection(dpy);
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xcb_glx_query_version_reply_t *reply = xcb_glx_query_version_reply(c,
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xcb_glx_query_version
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(c,
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GLX_MAJOR_VERSION,
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GLX_MINOR_VERSION),
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NULL);
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if (!reply)
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return GL_FALSE;
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if (reply->major_version != GLX_MAJOR_VERSION) {
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free(reply);
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return GL_FALSE;
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}
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*major = reply->major_version;
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*minor = min(reply->minor_version, GLX_MINOR_VERSION);
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free(reply);
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return GL_TRUE;
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}
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/*
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* We don't want to enable this GLX_OML_swap_method in glxext.h,
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* because we can't support it. The X server writes it out though,
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* so we should handle it somehow, to avoid false warnings.
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*/
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enum {
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IGNORE_GLX_SWAP_METHOD_OML = 0x8060
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};
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static GLint
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convert_from_x_visual_type(int visualType)
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{
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static const int glx_visual_types[] = {
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[StaticGray] = GLX_STATIC_GRAY,
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[GrayScale] = GLX_GRAY_SCALE,
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[StaticColor] = GLX_STATIC_COLOR,
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[PseudoColor] = GLX_PSEUDO_COLOR,
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[TrueColor] = GLX_TRUE_COLOR,
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[DirectColor] = GLX_DIRECT_COLOR,
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};
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if (visualType < ARRAY_SIZE(glx_visual_types))
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return glx_visual_types[visualType];
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return GLX_NONE;
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}
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/*
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* getVisualConfigs uses the !tagged_only path.
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* getFBConfigs uses the tagged_only path.
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*/
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_X_HIDDEN void
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__glXInitializeVisualConfigFromTags(struct glx_config * config, int count,
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const INT32 * bp, Bool tagged_only,
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Bool fbconfig_style_tags)
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{
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int i;
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if (!tagged_only) {
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/* Copy in the first set of properties */
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config->visualID = *bp++;
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config->visualType = convert_from_x_visual_type(*bp++);
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config->renderType = *bp++ ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT;
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config->redBits = *bp++;
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config->greenBits = *bp++;
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config->blueBits = *bp++;
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config->alphaBits = *bp++;
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config->accumRedBits = *bp++;
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config->accumGreenBits = *bp++;
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config->accumBlueBits = *bp++;
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config->accumAlphaBits = *bp++;
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config->doubleBufferMode = *bp++;
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config->stereoMode = *bp++;
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config->rgbBits = *bp++;
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config->depthBits = *bp++;
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config->stencilBits = *bp++;
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config->numAuxBuffers = *bp++;
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config->level = *bp++;
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|
#ifdef GLX_USE_APPLEGL
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/* AppleSGLX supports pixmap and pbuffers with all config. */
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config->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT;
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/* Unfortunately this can create an ABI compatibility problem. */
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count -= 18;
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#else
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count -= __GLX_MIN_CONFIG_PROPS;
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#endif
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}
|
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|
|
/*
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|
** Additional properties may be in a list at the end
|
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** of the reply. They are in pairs of property type
|
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** and property value.
|
|
*/
|
|
|
|
#define FETCH_OR_SET(tag) \
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config-> tag = ( fbconfig_style_tags ) ? *bp++ : 1
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|
|
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for (i = 0; i < count; i += 2) {
|
|
long int tag = *bp++;
|
|
|
|
switch (tag) {
|
|
case GLX_RGBA:
|
|
if (fbconfig_style_tags)
|
|
config->renderType = *bp++ ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT;
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|
else
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config->renderType = GLX_RGBA_BIT;
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break;
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case GLX_BUFFER_SIZE:
|
|
config->rgbBits = *bp++;
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break;
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case GLX_LEVEL:
|
|
config->level = *bp++;
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|
break;
|
|
case GLX_DOUBLEBUFFER:
|
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FETCH_OR_SET(doubleBufferMode);
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break;
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|
case GLX_STEREO:
|
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FETCH_OR_SET(stereoMode);
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break;
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|
case GLX_AUX_BUFFERS:
|
|
config->numAuxBuffers = *bp++;
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break;
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|
case GLX_RED_SIZE:
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config->redBits = *bp++;
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break;
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case GLX_GREEN_SIZE:
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|
config->greenBits = *bp++;
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|
break;
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|
case GLX_BLUE_SIZE:
|
|
config->blueBits = *bp++;
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|
break;
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|
case GLX_ALPHA_SIZE:
|
|
config->alphaBits = *bp++;
|
|
break;
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|
case GLX_DEPTH_SIZE:
|
|
config->depthBits = *bp++;
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|
break;
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|
case GLX_STENCIL_SIZE:
|
|
config->stencilBits = *bp++;
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|
break;
|
|
case GLX_ACCUM_RED_SIZE:
|
|
config->accumRedBits = *bp++;
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break;
|
|
case GLX_ACCUM_GREEN_SIZE:
|
|
config->accumGreenBits = *bp++;
|
|
break;
|
|
case GLX_ACCUM_BLUE_SIZE:
|
|
config->accumBlueBits = *bp++;
|
|
break;
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|
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++;
|
|
#ifdef GLX_USE_APPLEGL
|
|
/* AppleSGLX supports pixmap and pbuffers with all config. */
|
|
config->drawableType |= GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT;
|
|
#endif
|
|
break;
|
|
case GLX_RENDER_TYPE: /* fbconfig render type bits */
|
|
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;
|
|
#ifndef GLX_USE_APPLEGL
|
|
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:
|
|
if (*bp == GLX_SWAP_UNDEFINED_OML ||
|
|
*bp == GLX_SWAP_COPY_OML ||
|
|
*bp == GLX_SWAP_EXCHANGE_OML) {
|
|
config->swapMethod = *bp++;
|
|
} else {
|
|
/* X servers with old HW drivers may return any value here, so
|
|
* assume GLX_SWAP_METHOD_UNDEFINED.
|
|
*/
|
|
config->swapMethod = GLX_SWAP_UNDEFINED_OML;
|
|
bp++;
|
|
}
|
|
break;
|
|
#endif
|
|
case GLX_SAMPLE_BUFFERS_SGIS:
|
|
config->sampleBuffers = *bp++;
|
|
break;
|
|
case GLX_SAMPLES_SGIS:
|
|
config->samples = *bp++;
|
|
break;
|
|
#ifdef GLX_USE_APPLEGL
|
|
case IGNORE_GLX_SWAP_METHOD_OML:
|
|
/* We ignore this tag. See the comment above this function. */
|
|
++bp;
|
|
break;
|
|
#else
|
|
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;
|
|
#endif
|
|
case GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT:
|
|
config->sRGBCapable = *bp++;
|
|
break;
|
|
|
|
case GLX_USE_GL:
|
|
if (fbconfig_style_tags)
|
|
bp++;
|
|
break;
|
|
case GLX_FLOAT_COMPONENTS_NV:
|
|
config->floatComponentsNV = *bp++;
|
|
break;
|
|
case None:
|
|
i = count;
|
|
break;
|
|
default: {
|
|
long int tagvalue = *bp++;
|
|
DebugMessageF("WARNING: unknown fbconfig attribute from server: "
|
|
"tag 0x%lx value 0x%lx\n", tag, tagvalue);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static struct glx_config *
|
|
createConfigsFromProperties(Display * dpy, int nvisuals, int nprops,
|
|
int screen, GLboolean tagged_only)
|
|
{
|
|
INT32 buf[__GLX_TOTAL_CONFIG], *props;
|
|
unsigned prop_size;
|
|
struct glx_config *modes, *m;
|
|
int i;
|
|
|
|
if (nprops == 0)
|
|
return NULL;
|
|
|
|
/* Check number of properties */
|
|
if (nprops < __GLX_MIN_CONFIG_PROPS)
|
|
return NULL;
|
|
|
|
/* Allocate memory for our config structure */
|
|
modes = glx_config_create_list(nvisuals);
|
|
if (!modes)
|
|
return NULL;
|
|
|
|
prop_size = nprops * __GLX_SIZE_INT32;
|
|
if (prop_size <= sizeof(buf))
|
|
props = buf;
|
|
else
|
|
props = malloc(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);
|
|
#ifdef GLX_USE_APPLEGL
|
|
/* Older X servers don't send this so we default it here. */
|
|
m->drawableType = GLX_WINDOW_BIT;
|
|
#else
|
|
/*
|
|
* The XQuartz 2.3.2.1 X server doesn't set this properly, so
|
|
* set the proper bits here.
|
|
* AppleSGLX supports windows, pixmaps, and pbuffers with all config.
|
|
*/
|
|
m->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT;
|
|
#endif
|
|
__glXInitializeVisualConfigFromTags(m, nprops, props,
|
|
tagged_only, GL_TRUE);
|
|
m->screen = screen;
|
|
m = m->next;
|
|
}
|
|
|
|
if (props != buf)
|
|
free(props);
|
|
|
|
return modes;
|
|
}
|
|
|
|
static GLboolean
|
|
getVisualConfigs(struct glx_screen *psc,
|
|
struct glx_display *priv, int screen)
|
|
{
|
|
xGLXGetVisualConfigsReq *req;
|
|
xGLXGetVisualConfigsReply reply;
|
|
Display *dpy = priv->dpy;
|
|
|
|
LockDisplay(dpy);
|
|
|
|
psc->visuals = NULL;
|
|
GetReq(GLXGetVisualConfigs, req);
|
|
req->reqType = priv->codes.major_opcode;
|
|
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(struct glx_screen *psc, struct glx_display *priv, int screen)
|
|
{
|
|
xGLXGetFBConfigsReq *fb_req;
|
|
xGLXGetFBConfigsSGIXReq *sgi_req;
|
|
xGLXVendorPrivateWithReplyReq *vpreq;
|
|
xGLXGetFBConfigsReply reply;
|
|
Display *dpy = priv->dpy;
|
|
|
|
psc->serverGLXexts = __glXQueryServerString(dpy, screen, GLX_EXTENSIONS);
|
|
|
|
if (psc->serverGLXexts == NULL) {
|
|
return GL_FALSE;
|
|
}
|
|
|
|
LockDisplay(dpy);
|
|
|
|
psc->configs = NULL;
|
|
if (priv->minorVersion >= 3) {
|
|
GetReq(GLXGetFBConfigs, fb_req);
|
|
fb_req->reqType = priv->codes.major_opcode;
|
|
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->codes.major_opcode;
|
|
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;
|
|
}
|
|
|
|
_X_HIDDEN Bool
|
|
glx_screen_init(struct glx_screen *psc,
|
|
int screen, struct glx_display * priv)
|
|
{
|
|
/* Initialize per screen dynamic client GLX extensions */
|
|
psc->ext_list_first_time = GL_TRUE;
|
|
psc->scr = screen;
|
|
psc->dpy = priv->dpy;
|
|
psc->display = priv;
|
|
|
|
if (!getVisualConfigs(psc, priv, screen))
|
|
return GL_FALSE;
|
|
|
|
if (!getFBConfigs(psc, priv, screen))
|
|
return GL_FALSE;
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
_X_HIDDEN void
|
|
glx_screen_cleanup(struct glx_screen *psc)
|
|
{
|
|
if (psc->configs) {
|
|
glx_config_destroy_list(psc->configs);
|
|
free(psc->effectiveGLXexts);
|
|
psc->configs = NULL; /* NOTE: just for paranoia */
|
|
}
|
|
if (psc->visuals) {
|
|
glx_config_destroy_list(psc->visuals);
|
|
psc->visuals = NULL; /* NOTE: just for paranoia */
|
|
}
|
|
free((char *) psc->serverGLXexts);
|
|
free((char *) psc->serverGLXvendor);
|
|
free((char *) psc->serverGLXversion);
|
|
}
|
|
|
|
/*
|
|
** Allocate the memory for the per screen configs for each screen.
|
|
** If that works then fetch the per screen configs data.
|
|
*/
|
|
static Bool
|
|
AllocAndFetchScreenConfigs(Display * dpy, struct glx_display * priv)
|
|
{
|
|
struct glx_screen *psc;
|
|
GLint i, screens;
|
|
|
|
/*
|
|
** First allocate memory for the array of per screen configs.
|
|
*/
|
|
screens = ScreenCount(dpy);
|
|
priv->screens = calloc(screens, sizeof *priv->screens);
|
|
if (!priv->screens)
|
|
return GL_FALSE;
|
|
|
|
for (i = 0; i < screens; i++, psc++) {
|
|
psc = NULL;
|
|
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
|
|
#if defined(GLX_USE_DRM)
|
|
#if defined(HAVE_DRI3)
|
|
if (priv->dri3Display)
|
|
psc = (*priv->dri3Display->createScreen) (i, priv);
|
|
#endif /* HAVE_DRI3 */
|
|
if (psc == NULL && priv->dri2Display)
|
|
psc = (*priv->dri2Display->createScreen) (i, priv);
|
|
#endif /* GLX_USE_DRM */
|
|
|
|
#ifdef GLX_USE_WINDOWSGL
|
|
if (psc == NULL && priv->windowsdriDisplay)
|
|
psc = (*priv->windowsdriDisplay->createScreen) (i, priv);
|
|
#endif
|
|
|
|
if (psc == NULL && priv->driswDisplay)
|
|
psc = (*priv->driswDisplay->createScreen) (i, priv);
|
|
#endif /* GLX_DIRECT_RENDERING && !GLX_USE_APPLEGL */
|
|
|
|
#if defined(GLX_USE_APPLEGL)
|
|
if (psc == NULL)
|
|
psc = applegl_create_screen(i, priv);
|
|
#else
|
|
if (psc == NULL)
|
|
psc = indirect_create_screen(i, priv);
|
|
#endif
|
|
priv->screens[i] = psc;
|
|
}
|
|
SyncHandle();
|
|
return GL_TRUE;
|
|
}
|
|
|
|
/*
|
|
** Initialize the client side extension code.
|
|
*/
|
|
_X_HIDDEN struct glx_display *
|
|
__glXInitialize(Display * dpy)
|
|
{
|
|
XExtCodes *codes;
|
|
struct glx_display *dpyPriv, *d;
|
|
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
|
|
Bool glx_direct, glx_accel;
|
|
#endif
|
|
int i, majorVersion = 0;
|
|
|
|
_XLockMutex(_Xglobal_lock);
|
|
|
|
for (dpyPriv = glx_displays; dpyPriv; dpyPriv = dpyPriv->next) {
|
|
if (dpyPriv->dpy == dpy) {
|
|
_XUnlockMutex(_Xglobal_lock);
|
|
return dpyPriv;
|
|
}
|
|
}
|
|
|
|
/* Drop the lock while we create the display private. */
|
|
_XUnlockMutex(_Xglobal_lock);
|
|
|
|
dpyPriv = calloc(1, sizeof *dpyPriv);
|
|
if (!dpyPriv)
|
|
return NULL;
|
|
|
|
codes = XInitExtension(dpy, __glXExtensionName);
|
|
if (!codes) {
|
|
free(dpyPriv);
|
|
return NULL;
|
|
}
|
|
|
|
dpyPriv->codes = *codes;
|
|
dpyPriv->dpy = dpy;
|
|
|
|
/* This GLX implementation requires X_GLXQueryExtensionsString
|
|
* and X_GLXQueryServerString, which are new in GLX 1.1.
|
|
*/
|
|
if (!QueryVersion(dpy, dpyPriv->codes.major_opcode,
|
|
&majorVersion, &dpyPriv->minorVersion)
|
|
|| (majorVersion != 1)
|
|
|| (majorVersion == 1 && dpyPriv->minorVersion < 1)) {
|
|
free(dpyPriv);
|
|
return NULL;
|
|
}
|
|
|
|
for (i = 0; i < __GLX_NUMBER_EVENTS; i++) {
|
|
XESetWireToEvent(dpy, dpyPriv->codes.first_event + i, __glXWireToEvent);
|
|
XESetEventToWire(dpy, dpyPriv->codes.first_event + i, __glXEventToWire);
|
|
}
|
|
|
|
XESetCloseDisplay(dpy, dpyPriv->codes.extension, __glXCloseDisplay);
|
|
XESetErrorString (dpy, dpyPriv->codes.extension, __glXErrorString);
|
|
|
|
dpyPriv->glXDrawHash = __glxHashCreate();
|
|
|
|
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
|
|
glx_direct = !env_var_as_boolean("LIBGL_ALWAYS_INDIRECT", false);
|
|
glx_accel = !env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false);
|
|
Bool zink;
|
|
const char *env = getenv("MESA_LOADER_DRIVER_OVERRIDE");
|
|
zink = env && !strcmp(env, "zink");
|
|
|
|
dpyPriv->drawHash = __glxHashCreate();
|
|
|
|
dpyPriv->zombieGLXDrawable = _mesa_pointer_set_create(NULL);
|
|
|
|
#ifndef GLX_USE_APPLEGL
|
|
/* Set the logger before the *CreateDisplay functions. */
|
|
loader_set_logger(glx_message);
|
|
#endif
|
|
|
|
/*
|
|
** Initialize the direct rendering per display data and functions.
|
|
** Note: This _must_ be done before calling any other DRI routines
|
|
** (e.g., those called in AllocAndFetchScreenConfigs).
|
|
*/
|
|
#if defined(GLX_USE_DRM)
|
|
if (glx_direct && glx_accel && !zink) {
|
|
#if defined(HAVE_DRI3)
|
|
if (!env_var_as_boolean("LIBGL_DRI3_DISABLE", false))
|
|
dpyPriv->dri3Display = dri3_create_display(dpy);
|
|
#endif /* HAVE_DRI3 */
|
|
if (!env_var_as_boolean("LIBGL_DRI2_DISABLE", false))
|
|
dpyPriv->dri2Display = dri2CreateDisplay(dpy);
|
|
}
|
|
#endif /* GLX_USE_DRM */
|
|
if (glx_direct)
|
|
dpyPriv->driswDisplay = driswCreateDisplay(dpy, zink);
|
|
#endif /* GLX_DIRECT_RENDERING && !GLX_USE_APPLEGL */
|
|
|
|
#ifdef GLX_USE_APPLEGL
|
|
if (!applegl_create_display(dpyPriv)) {
|
|
free(dpyPriv);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#ifdef GLX_USE_WINDOWSGL
|
|
if (glx_direct && glx_accel)
|
|
dpyPriv->windowsdriDisplay = driwindowsCreateDisplay(dpy);
|
|
#endif
|
|
|
|
if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) {
|
|
free(dpyPriv);
|
|
return NULL;
|
|
}
|
|
|
|
__glX_send_client_info(dpyPriv);
|
|
|
|
/* Grab the lock again and add the dispay private, unless somebody
|
|
* beat us to initializing on this display in the meantime. */
|
|
_XLockMutex(_Xglobal_lock);
|
|
|
|
for (d = glx_displays; d; d = d->next) {
|
|
if (d->dpy == dpy) {
|
|
_XUnlockMutex(_Xglobal_lock);
|
|
glx_display_free(dpyPriv);
|
|
return d;
|
|
}
|
|
}
|
|
|
|
dpyPriv->next = glx_displays;
|
|
glx_displays = dpyPriv;
|
|
|
|
_XUnlockMutex(_Xglobal_lock);
|
|
|
|
return dpyPriv;
|
|
}
|
|
|
|
/*
|
|
** Setup for sending a GLX command on dpy. Make sure the extension is
|
|
** initialized. Try to avoid calling __glXInitialize as its kinda slow.
|
|
*/
|
|
_X_HIDDEN CARD8
|
|
__glXSetupForCommand(Display * dpy)
|
|
{
|
|
struct glx_context *gc;
|
|
struct glx_display *priv;
|
|
|
|
/* If this thread has a current context, flush its rendering commands */
|
|
gc = __glXGetCurrentContext();
|
|
if (gc->currentDpy) {
|
|
/* Flush rendering buffer of the current context, if any */
|
|
(void) __glXFlushRenderBuffer(gc, gc->pc);
|
|
|
|
if (gc->currentDpy == dpy) {
|
|
/* Use opcode from gc because its right */
|
|
return gc->majorOpcode;
|
|
}
|
|
else {
|
|
/*
|
|
** Have to get info about argument dpy because it might be to
|
|
** a different server
|
|
*/
|
|
}
|
|
}
|
|
|
|
/* Forced to lookup extension via the slow initialize route */
|
|
priv = __glXInitialize(dpy);
|
|
if (!priv) {
|
|
return 0;
|
|
}
|
|
return priv->codes.major_opcode;
|
|
}
|
|
|
|
/**
|
|
* Flush the drawing command transport buffer.
|
|
*
|
|
* \param ctx Context whose transport buffer is to be flushed.
|
|
* \param pc Pointer to first unused buffer location.
|
|
*
|
|
* \todo
|
|
* Modify this function to use \c ctx->pc instead of the explicit
|
|
* \c pc parameter.
|
|
*/
|
|
_X_HIDDEN GLubyte *
|
|
__glXFlushRenderBuffer(struct glx_context * ctx, GLubyte * pc)
|
|
{
|
|
Display *const dpy = ctx->currentDpy;
|
|
xcb_connection_t *c = XGetXCBConnection(dpy);
|
|
const GLint size = pc - ctx->buf;
|
|
|
|
if ((dpy != NULL) && (size > 0)) {
|
|
xcb_glx_render(c, ctx->currentContextTag, size,
|
|
(const uint8_t *) ctx->buf);
|
|
}
|
|
|
|
/* Reset pointer and return it */
|
|
ctx->pc = ctx->buf;
|
|
return ctx->pc;
|
|
}
|
|
|
|
|
|
/**
|
|
* Send a portion of a GLXRenderLarge command to the server. The advantage of
|
|
* this function over \c __glXSendLargeCommand is that callers can use the
|
|
* data buffer in the GLX context and may be able to avoid allocating an
|
|
* extra buffer. The disadvantage is the clients will have to do more
|
|
* GLX protocol work (i.e., calculating \c totalRequests, etc.).
|
|
*
|
|
* \sa __glXSendLargeCommand
|
|
*
|
|
* \param gc GLX context
|
|
* \param requestNumber Which part of the whole command is this? The first
|
|
* request is 1.
|
|
* \param totalRequests How many requests will there be?
|
|
* \param data Command data.
|
|
* \param dataLen Size, in bytes, of the command data.
|
|
*/
|
|
_X_HIDDEN void
|
|
__glXSendLargeChunk(struct glx_context * gc, GLint requestNumber,
|
|
GLint totalRequests, const GLvoid * data, GLint dataLen)
|
|
{
|
|
Display *dpy = gc->currentDpy;
|
|
xcb_connection_t *c = XGetXCBConnection(dpy);
|
|
xcb_glx_render_large(c, gc->currentContextTag, requestNumber,
|
|
totalRequests, dataLen, data);
|
|
}
|
|
|
|
|
|
/**
|
|
* Send a command that is too large for the GLXRender protocol request.
|
|
*
|
|
* Send a large command, one that is too large for some reason to
|
|
* send using the GLXRender protocol request. One reason to send
|
|
* a large command is to avoid copying the data.
|
|
*
|
|
* \param ctx GLX context
|
|
* \param header Header data.
|
|
* \param headerLen Size, in bytes, of the header data. It is assumed that
|
|
* the header data will always be small enough to fit in
|
|
* a single X protocol packet.
|
|
* \param data Command data.
|
|
* \param dataLen Size, in bytes, of the command data.
|
|
*/
|
|
_X_HIDDEN void
|
|
__glXSendLargeCommand(struct glx_context * ctx,
|
|
const GLvoid * header, GLint headerLen,
|
|
const GLvoid * data, GLint dataLen)
|
|
{
|
|
GLint maxSize;
|
|
GLint totalRequests, requestNumber;
|
|
|
|
/*
|
|
** Calculate the maximum amount of data can be stuffed into a single
|
|
** packet. sz_xGLXRenderReq is added because bufSize is the maximum
|
|
** packet size minus sz_xGLXRenderReq.
|
|
*/
|
|
maxSize = (ctx->bufSize + sz_xGLXRenderReq) - sz_xGLXRenderLargeReq;
|
|
totalRequests = 1 + (dataLen / maxSize);
|
|
if (dataLen % maxSize)
|
|
totalRequests++;
|
|
|
|
/*
|
|
** Send all of the command, except the large array, as one request.
|
|
*/
|
|
assert(headerLen <= maxSize);
|
|
__glXSendLargeChunk(ctx, 1, totalRequests, header, headerLen);
|
|
|
|
/*
|
|
** Send enough requests until the whole array is sent.
|
|
*/
|
|
for (requestNumber = 2; requestNumber <= (totalRequests - 1);
|
|
requestNumber++) {
|
|
__glXSendLargeChunk(ctx, requestNumber, totalRequests, data, maxSize);
|
|
data = (const GLvoid *) (((const GLubyte *) data) + maxSize);
|
|
dataLen -= maxSize;
|
|
assert(dataLen > 0);
|
|
}
|
|
|
|
assert(dataLen <= maxSize);
|
|
__glXSendLargeChunk(ctx, requestNumber, totalRequests, data, dataLen);
|
|
}
|