1031 lines
28 KiB
C
1031 lines
28 KiB
C
/*
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* Copyright © 2008 Red Hat, Inc.
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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 "Soft-
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* ware"), to deal in the Software without restriction, including without
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* limitation the rights to use, copy, modify, merge, publish, distribute,
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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, provided that the above copyright
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* notice(s) and this permission notice appear in all copies of the Soft-
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* ware and that both the above copyright notice(s) and this permission
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* notice appear in supporting documentation.
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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 MERCHANTABIL-
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* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
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* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
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* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
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* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
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* MANCE OF THIS SOFTWARE.
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*
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* Except as contained in this notice, the name of a copyright holder shall
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* 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 of
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* the copyright holder.
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*
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* Authors:
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* Kristian Høgsberg (krh@redhat.com)
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*/
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#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
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#include <X11/Xlib.h>
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#include <X11/extensions/Xfixes.h>
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#include <X11/extensions/Xdamage.h>
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#include "glapi.h"
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#include "glxclient.h"
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#include <X11/extensions/dri2proto.h>
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#include "xf86dri.h"
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include "xf86drm.h"
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#include "dri2.h"
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#include "dri_common.h"
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/* From xmlpool/options.h, user exposed so should be stable */
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#define DRI_CONF_VBLANK_NEVER 0
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#define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
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#define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
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#define DRI_CONF_VBLANK_ALWAYS_SYNC 3
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#undef DRI2_MINOR
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#define DRI2_MINOR 1
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struct dri2_display
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{
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__GLXDRIdisplay base;
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/*
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** XFree86-DRI version information
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*/
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int driMajor;
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int driMinor;
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int driPatch;
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int swapAvailable;
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int invalidateAvailable;
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__glxHashTable *dri2Hash;
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const __DRIextension *loader_extensions[4];
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};
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struct dri2_screen {
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struct glx_screen base;
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__DRIscreen *driScreen;
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__GLXDRIscreen vtable;
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const __DRIdri2Extension *dri2;
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const __DRIcoreExtension *core;
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const __DRI2flushExtension *f;
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const __DRI2configQueryExtension *config;
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const __DRItexBufferExtension *texBuffer;
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const __DRIconfig **driver_configs;
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void *driver;
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int fd;
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};
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struct dri2_context
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{
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struct glx_context base;
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__DRIcontext *driContext;
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};
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struct dri2_drawable
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{
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__GLXDRIdrawable base;
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__DRIdrawable *driDrawable;
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__DRIbuffer buffers[5];
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int bufferCount;
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int width, height;
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int have_back;
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int have_fake_front;
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int swap_interval;
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};
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static const struct glx_context_vtable dri2_context_vtable;
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static void
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dri2_destroy_context(struct glx_context *context)
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{
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struct dri2_context *pcp = (struct dri2_context *) context;
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struct dri2_screen *psc = (struct dri2_screen *) context->psc;
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driReleaseDrawables(&pcp->base);
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if (context->xid)
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glx_send_destroy_context(psc->base.dpy, context->xid);
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if (context->extensions)
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XFree((char *) context->extensions);
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(*psc->core->destroyContext) (pcp->driContext);
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Xfree(pcp);
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}
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static Bool
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dri2_bind_context(struct glx_context *context, struct glx_context *old,
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GLXDrawable draw, GLXDrawable read)
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{
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struct dri2_context *pcp = (struct dri2_context *) context;
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struct dri2_screen *psc = (struct dri2_screen *) pcp->base.psc;
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struct dri2_drawable *pdraw, *pread;
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struct dri2_display *pdp;
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pdraw = (struct dri2_drawable *) driFetchDrawable(context, draw);
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pread = (struct dri2_drawable *) driFetchDrawable(context, read);
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driReleaseDrawables(&pcp->base);
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if (pdraw == NULL || pread == NULL)
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return GLXBadDrawable;
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if (!(*psc->core->bindContext) (pcp->driContext,
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pdraw->driDrawable, pread->driDrawable))
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return GLXBadContext;
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/* If the server doesn't send invalidate events, we may miss a
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* resize before the rendering starts. Invalidate the buffers now
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* so the driver will recheck before rendering starts. */
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pdp = (struct dri2_display *) psc->base.display;
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if (!pdp->invalidateAvailable) {
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dri2InvalidateBuffers(psc->base.dpy, pdraw->base.xDrawable);
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if (pread != pdraw)
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dri2InvalidateBuffers(psc->base.dpy, pread->base.xDrawable);
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}
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return Success;
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}
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static void
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dri2_unbind_context(struct glx_context *context, struct glx_context *new)
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{
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struct dri2_context *pcp = (struct dri2_context *) context;
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struct dri2_screen *psc = (struct dri2_screen *) pcp->base.psc;
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(*psc->core->unbindContext) (pcp->driContext);
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}
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static struct glx_context *
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dri2_create_context(struct glx_screen *base,
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struct glx_config *config_base,
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struct glx_context *shareList, int renderType)
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{
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struct dri2_context *pcp, *pcp_shared;
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struct dri2_screen *psc = (struct dri2_screen *) base;
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__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
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__DRIcontext *shared = NULL;
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if (shareList) {
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pcp_shared = (struct dri2_context *) shareList;
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shared = pcp_shared->driContext;
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}
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pcp = Xmalloc(sizeof *pcp);
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if (pcp == NULL)
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return NULL;
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memset(pcp, 0, sizeof *pcp);
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if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
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Xfree(pcp);
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return NULL;
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}
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pcp->driContext =
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(*psc->dri2->createNewContext) (psc->driScreen,
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config->driConfig, shared, pcp);
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if (pcp->driContext == NULL) {
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Xfree(pcp);
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return NULL;
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}
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pcp->base.vtable = &dri2_context_vtable;
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return &pcp->base;
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}
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static void
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dri2DestroyDrawable(__GLXDRIdrawable *base)
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{
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struct dri2_screen *psc = (struct dri2_screen *) base->psc;
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struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
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struct glx_display *dpyPriv = psc->base.display;
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struct dri2_display *pdp = (struct dri2_display *)dpyPriv->dri2Display;
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__glxHashDelete(pdp->dri2Hash, pdraw->base.xDrawable);
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(*psc->core->destroyDrawable) (pdraw->driDrawable);
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/* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
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* now, as the application explicitly asked to destroy the GLX
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* drawable. Otherwise, for legacy drawables, we let the DRI2
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* drawable linger on the server, since there's no good way of
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* knowing when the application is done with it. The server will
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* destroy the DRI2 drawable when it destroys the X drawable or the
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* client exits anyway. */
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if (pdraw->base.xDrawable != pdraw->base.drawable)
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DRI2DestroyDrawable(psc->base.dpy, pdraw->base.xDrawable);
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Xfree(pdraw);
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}
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static __GLXDRIdrawable *
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dri2CreateDrawable(struct glx_screen *base, XID xDrawable,
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GLXDrawable drawable, struct glx_config *config_base)
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{
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struct dri2_drawable *pdraw;
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struct dri2_screen *psc = (struct dri2_screen *) base;
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__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
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struct glx_display *dpyPriv;
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struct dri2_display *pdp;
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GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
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pdraw = Xmalloc(sizeof(*pdraw));
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if (!pdraw)
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return NULL;
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memset(pdraw, 0, sizeof *pdraw);
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pdraw->base.destroyDrawable = dri2DestroyDrawable;
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pdraw->base.xDrawable = xDrawable;
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pdraw->base.drawable = drawable;
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pdraw->base.psc = &psc->base;
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pdraw->bufferCount = 0;
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pdraw->swap_interval = 1; /* default may be overridden below */
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pdraw->have_back = 0;
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if (psc->config)
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psc->config->configQueryi(psc->driScreen,
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"vblank_mode", &vblank_mode);
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switch (vblank_mode) {
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case DRI_CONF_VBLANK_NEVER:
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case DRI_CONF_VBLANK_DEF_INTERVAL_0:
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pdraw->swap_interval = 0;
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break;
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case DRI_CONF_VBLANK_DEF_INTERVAL_1:
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case DRI_CONF_VBLANK_ALWAYS_SYNC:
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default:
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pdraw->swap_interval = 1;
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break;
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}
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DRI2CreateDrawable(psc->base.dpy, xDrawable);
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dpyPriv = __glXInitialize(psc->base.dpy);
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pdp = (struct dri2_display *)dpyPriv->dri2Display;;
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/* Create a new drawable */
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pdraw->driDrawable =
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(*psc->dri2->createNewDrawable) (psc->driScreen,
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config->driConfig, pdraw);
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if (!pdraw->driDrawable) {
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DRI2DestroyDrawable(psc->base.dpy, xDrawable);
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Xfree(pdraw);
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return NULL;
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}
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if (__glxHashInsert(pdp->dri2Hash, xDrawable, pdraw)) {
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(*psc->core->destroyDrawable) (pdraw->driDrawable);
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DRI2DestroyDrawable(psc->base.dpy, xDrawable);
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Xfree(pdraw);
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return None;
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}
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#ifdef X_DRI2SwapInterval
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/*
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* Make sure server has the same swap interval we do for the new
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* drawable.
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*/
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if (pdp->swapAvailable)
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DRI2SwapInterval(psc->base.dpy, xDrawable, pdraw->swap_interval);
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#endif
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return &pdraw->base;
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}
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#ifdef X_DRI2GetMSC
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static int
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dri2DrawableGetMSC(struct glx_screen *psc, __GLXDRIdrawable *pdraw,
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int64_t *ust, int64_t *msc, int64_t *sbc)
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{
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CARD64 dri2_ust, dri2_msc, dri2_sbc;
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int ret;
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ret = DRI2GetMSC(psc->dpy, pdraw->xDrawable,
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&dri2_ust, &dri2_msc, &dri2_sbc);
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*ust = dri2_ust;
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*msc = dri2_msc;
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*sbc = dri2_sbc;
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return ret;
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}
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#endif
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#ifdef X_DRI2WaitMSC
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static int
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dri2WaitForMSC(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
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int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc)
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{
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CARD64 dri2_ust, dri2_msc, dri2_sbc;
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int ret;
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ret = DRI2WaitMSC(pdraw->psc->dpy, pdraw->xDrawable, target_msc, divisor,
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remainder, &dri2_ust, &dri2_msc, &dri2_sbc);
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*ust = dri2_ust;
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*msc = dri2_msc;
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*sbc = dri2_sbc;
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return ret;
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}
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static int
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dri2WaitForSBC(__GLXDRIdrawable *pdraw, int64_t target_sbc, int64_t *ust,
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int64_t *msc, int64_t *sbc)
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{
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CARD64 dri2_ust, dri2_msc, dri2_sbc;
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int ret;
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ret = DRI2WaitSBC(pdraw->psc->dpy, pdraw->xDrawable,
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target_sbc, &dri2_ust, &dri2_msc, &dri2_sbc);
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*ust = dri2_ust;
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*msc = dri2_msc;
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*sbc = dri2_sbc;
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return ret;
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}
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#endif /* X_DRI2WaitMSC */
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static void
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dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y, int width, int height)
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{
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struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
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struct dri2_screen *psc = (struct dri2_screen *) pdraw->psc;
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XRectangle xrect;
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XserverRegion region;
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/* Check we have the right attachments */
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if (!priv->have_back)
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return;
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xrect.x = x;
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xrect.y = priv->height - y - height;
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xrect.width = width;
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xrect.height = height;
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#ifdef __DRI2_FLUSH
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if (psc->f)
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(*psc->f->flush) (priv->driDrawable);
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#endif
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region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
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DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
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DRI2BufferFrontLeft, DRI2BufferBackLeft);
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/* Refresh the fake front (if present) after we just damaged the real
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* front.
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*/
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if (priv->have_fake_front)
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DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
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DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
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XFixesDestroyRegion(psc->base.dpy, region);
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}
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static void
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dri2_copy_drawable(struct dri2_drawable *priv, int dest, int src)
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{
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XRectangle xrect;
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XserverRegion region;
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struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
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xrect.x = 0;
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xrect.y = 0;
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xrect.width = priv->width;
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xrect.height = priv->height;
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#ifdef __DRI2_FLUSH
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if (psc->f)
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(*psc->f->flush) (priv->driDrawable);
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#endif
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region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
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DRI2CopyRegion(psc->base.dpy, priv->base.xDrawable, region, dest, src);
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XFixesDestroyRegion(psc->base.dpy, region);
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}
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static void
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dri2_wait_x(struct glx_context *gc)
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{
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struct dri2_drawable *priv = (struct dri2_drawable *)
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GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
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if (priv == NULL || !priv->have_fake_front)
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return;
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dri2_copy_drawable(priv, DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
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}
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static void
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dri2_wait_gl(struct glx_context *gc)
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{
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struct dri2_drawable *priv = (struct dri2_drawable *)
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GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
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if (priv == NULL || !priv->have_fake_front)
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return;
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dri2_copy_drawable(priv, DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
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}
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static void
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dri2FlushFrontBuffer(__DRIdrawable *driDrawable, void *loaderPrivate)
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{
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struct dri2_drawable *pdraw = loaderPrivate;
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if (!pdraw)
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return;
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if (!pdraw->base.psc)
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return;
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struct glx_display *priv = __glXInitialize(pdraw->base.psc->dpy);
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struct dri2_display *pdp = (struct dri2_display *)priv->dri2Display;
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struct glx_context *gc = __glXGetCurrentContext();
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/* Old servers don't send invalidate events */
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if (!pdp->invalidateAvailable)
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dri2InvalidateBuffers(priv->dpy, pdraw->base.xDrawable);
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dri2_wait_gl(gc);
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}
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static void
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dri2DestroyScreen(struct glx_screen *base)
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{
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struct dri2_screen *psc = (struct dri2_screen *) base;
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/* Free the direct rendering per screen data */
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(*psc->core->destroyScreen) (psc->driScreen);
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driDestroyConfigs(psc->driver_configs);
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close(psc->fd);
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Xfree(psc);
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}
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/**
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* Process list of buffer received from the server
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*
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* Processes the list of buffers received in a reply from the server to either
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* \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
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*/
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static void
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process_buffers(struct dri2_drawable * pdraw, DRI2Buffer * buffers,
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unsigned count)
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{
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int i;
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pdraw->bufferCount = count;
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pdraw->have_fake_front = 0;
|
|
pdraw->have_back = 0;
|
|
|
|
/* This assumes the DRI2 buffer attachment tokens matches the
|
|
* __DRIbuffer tokens. */
|
|
for (i = 0; i < count; i++) {
|
|
pdraw->buffers[i].attachment = buffers[i].attachment;
|
|
pdraw->buffers[i].name = buffers[i].name;
|
|
pdraw->buffers[i].pitch = buffers[i].pitch;
|
|
pdraw->buffers[i].cpp = buffers[i].cpp;
|
|
pdraw->buffers[i].flags = buffers[i].flags;
|
|
if (pdraw->buffers[i].attachment == __DRI_BUFFER_FAKE_FRONT_LEFT)
|
|
pdraw->have_fake_front = 1;
|
|
if (pdraw->buffers[i].attachment == __DRI_BUFFER_BACK_LEFT)
|
|
pdraw->have_back = 1;
|
|
}
|
|
|
|
}
|
|
|
|
unsigned dri2GetSwapEventType(Display* dpy, XID drawable)
|
|
{
|
|
struct glx_display *glx_dpy = __glXInitialize(dpy);
|
|
__GLXDRIdrawable *pdraw;
|
|
pdraw = dri2GetGlxDrawableFromXDrawableId(dpy, drawable);
|
|
if (!pdraw || !(pdraw->eventMask & GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK))
|
|
return 0;
|
|
return glx_dpy->codes->first_event + GLX_BufferSwapComplete;
|
|
}
|
|
|
|
static int64_t
|
|
dri2SwapBuffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
|
|
int64_t remainder)
|
|
{
|
|
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
|
|
struct glx_display *dpyPriv = __glXInitialize(priv->base.psc->dpy);
|
|
struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
|
|
struct dri2_display *pdp =
|
|
(struct dri2_display *)dpyPriv->dri2Display;
|
|
CARD64 ret = 0;
|
|
|
|
#ifdef __DRI2_FLUSH
|
|
if (psc->f) {
|
|
struct glx_context *gc = __glXGetCurrentContext();
|
|
|
|
if (gc) {
|
|
(*psc->f->flush)(priv->driDrawable);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Old servers don't send invalidate events */
|
|
if (!pdp->invalidateAvailable)
|
|
dri2InvalidateBuffers(dpyPriv->dpy, pdraw->xDrawable);
|
|
|
|
/* Old servers can't handle swapbuffers */
|
|
if (!pdp->swapAvailable) {
|
|
dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef X_DRI2SwapBuffers
|
|
DRI2SwapBuffers(psc->base.dpy, pdraw->xDrawable, target_msc, divisor,
|
|
remainder, &ret);
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
static __DRIbuffer *
|
|
dri2GetBuffers(__DRIdrawable * driDrawable,
|
|
int *width, int *height,
|
|
unsigned int *attachments, int count,
|
|
int *out_count, void *loaderPrivate)
|
|
{
|
|
struct dri2_drawable *pdraw = loaderPrivate;
|
|
DRI2Buffer *buffers;
|
|
|
|
buffers = DRI2GetBuffers(pdraw->base.psc->dpy, pdraw->base.xDrawable,
|
|
width, height, attachments, count, out_count);
|
|
if (buffers == NULL)
|
|
return NULL;
|
|
|
|
pdraw->width = *width;
|
|
pdraw->height = *height;
|
|
process_buffers(pdraw, buffers, *out_count);
|
|
|
|
Xfree(buffers);
|
|
|
|
return pdraw->buffers;
|
|
}
|
|
|
|
static __DRIbuffer *
|
|
dri2GetBuffersWithFormat(__DRIdrawable * driDrawable,
|
|
int *width, int *height,
|
|
unsigned int *attachments, int count,
|
|
int *out_count, void *loaderPrivate)
|
|
{
|
|
struct dri2_drawable *pdraw = loaderPrivate;
|
|
DRI2Buffer *buffers;
|
|
|
|
buffers = DRI2GetBuffersWithFormat(pdraw->base.psc->dpy,
|
|
pdraw->base.xDrawable,
|
|
width, height, attachments,
|
|
count, out_count);
|
|
if (buffers == NULL)
|
|
return NULL;
|
|
|
|
pdraw->width = *width;
|
|
pdraw->height = *height;
|
|
process_buffers(pdraw, buffers, *out_count);
|
|
|
|
Xfree(buffers);
|
|
|
|
return pdraw->buffers;
|
|
}
|
|
|
|
#ifdef X_DRI2SwapInterval
|
|
|
|
static int
|
|
dri2SetSwapInterval(__GLXDRIdrawable *pdraw, int interval)
|
|
{
|
|
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
|
|
GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
|
|
struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
|
|
|
|
if (psc->config)
|
|
psc->config->configQueryi(psc->driScreen,
|
|
"vblank_mode", &vblank_mode);
|
|
|
|
switch (vblank_mode) {
|
|
case DRI_CONF_VBLANK_NEVER:
|
|
return GLX_BAD_VALUE;
|
|
case DRI_CONF_VBLANK_ALWAYS_SYNC:
|
|
if (interval <= 0)
|
|
return GLX_BAD_VALUE;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
DRI2SwapInterval(priv->base.psc->dpy, priv->base.xDrawable, interval);
|
|
priv->swap_interval = interval;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
dri2GetSwapInterval(__GLXDRIdrawable *pdraw)
|
|
{
|
|
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
|
|
|
|
return priv->swap_interval;
|
|
}
|
|
|
|
#endif /* X_DRI2SwapInterval */
|
|
|
|
static const __DRIdri2LoaderExtension dri2LoaderExtension = {
|
|
{__DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION},
|
|
dri2GetBuffers,
|
|
dri2FlushFrontBuffer,
|
|
dri2GetBuffersWithFormat,
|
|
};
|
|
|
|
static const __DRIdri2LoaderExtension dri2LoaderExtension_old = {
|
|
{__DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION},
|
|
dri2GetBuffers,
|
|
dri2FlushFrontBuffer,
|
|
NULL,
|
|
};
|
|
|
|
#ifdef __DRI_USE_INVALIDATE
|
|
static const __DRIuseInvalidateExtension dri2UseInvalidate = {
|
|
{ __DRI_USE_INVALIDATE, __DRI_USE_INVALIDATE_VERSION }
|
|
};
|
|
#endif
|
|
|
|
_X_HIDDEN void
|
|
dri2InvalidateBuffers(Display *dpy, XID drawable)
|
|
{
|
|
__GLXDRIdrawable *pdraw =
|
|
dri2GetGlxDrawableFromXDrawableId(dpy, drawable);
|
|
struct dri2_screen *psc;
|
|
struct dri2_drawable *pdp = (struct dri2_drawable *) pdraw;
|
|
|
|
if (!pdraw)
|
|
return;
|
|
|
|
psc = (struct dri2_screen *) pdraw->psc;
|
|
|
|
#if __DRI2_FLUSH_VERSION >= 3
|
|
if (pdraw && psc->f && psc->f->base.version >= 3 && psc->f->invalidate)
|
|
psc->f->invalidate(pdp->driDrawable);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
dri2_bind_tex_image(Display * dpy,
|
|
GLXDrawable drawable,
|
|
int buffer, const int *attrib_list)
|
|
{
|
|
struct glx_context *gc = __glXGetCurrentContext();
|
|
struct dri2_context *pcp = (struct dri2_context *) gc;
|
|
__GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
|
|
struct glx_display *dpyPriv = __glXInitialize(dpy);
|
|
struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
|
|
struct dri2_display *pdp =
|
|
(struct dri2_display *) dpyPriv->dri2Display;
|
|
struct dri2_screen *psc;
|
|
|
|
if (pdraw != NULL) {
|
|
psc = (struct dri2_screen *) base->psc;
|
|
|
|
#if __DRI2_FLUSH_VERSION >= 3
|
|
if (!pdp->invalidateAvailable && psc->f &&
|
|
psc->f->base.version >= 3 && psc->f->invalidate)
|
|
psc->f->invalidate(pdraw->driDrawable);
|
|
#endif
|
|
|
|
if (psc->texBuffer->base.version >= 2 &&
|
|
psc->texBuffer->setTexBuffer2 != NULL) {
|
|
(*psc->texBuffer->setTexBuffer2) (pcp->driContext,
|
|
pdraw->base.textureTarget,
|
|
pdraw->base.textureFormat,
|
|
pdraw->driDrawable);
|
|
}
|
|
else {
|
|
(*psc->texBuffer->setTexBuffer) (pcp->driContext,
|
|
pdraw->base.textureTarget,
|
|
pdraw->driDrawable);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dri2_release_tex_image(Display * dpy, GLXDrawable drawable, int buffer)
|
|
{
|
|
#if __DRI_TEX_BUFFER_VERSION >= 3
|
|
struct glx_context *gc = __glXGetCurrentContext();
|
|
struct dri2_context *pcp = (struct dri2_context *) gc;
|
|
__GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
|
|
struct glx_display *dpyPriv = __glXInitialize(dpy);
|
|
struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
|
|
struct dri2_display *pdp =
|
|
(struct dri2_display *) dpyPriv->dri2Display;
|
|
struct dri2_screen *psc;
|
|
|
|
if (pdraw != NULL) {
|
|
psc = (struct dri2_screen *) base->psc;
|
|
|
|
if (psc->texBuffer->base.version >= 3 &&
|
|
psc->texBuffer->releaseTexBuffer != NULL) {
|
|
(*psc->texBuffer->releaseTexBuffer) (pcp->driContext,
|
|
pdraw->base.textureTarget,
|
|
pdraw->driDrawable);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static const struct glx_context_vtable dri2_context_vtable = {
|
|
dri2_destroy_context,
|
|
dri2_bind_context,
|
|
dri2_unbind_context,
|
|
dri2_wait_gl,
|
|
dri2_wait_x,
|
|
DRI_glXUseXFont,
|
|
dri2_bind_tex_image,
|
|
dri2_release_tex_image,
|
|
};
|
|
|
|
static void
|
|
dri2BindExtensions(struct dri2_screen *psc, const __DRIextension **extensions)
|
|
{
|
|
int i;
|
|
|
|
__glXEnableDirectExtension(&psc->base, "GLX_SGI_video_sync");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_SGI_swap_control");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_MESA_swap_control");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_SGI_make_current_read");
|
|
|
|
/* FIXME: if DRI2 version supports it... */
|
|
__glXEnableDirectExtension(&psc->base, "INTEL_swap_event");
|
|
|
|
for (i = 0; extensions[i]; i++) {
|
|
if ((strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0)) {
|
|
psc->texBuffer = (__DRItexBufferExtension *) extensions[i];
|
|
__glXEnableDirectExtension(&psc->base, "GLX_EXT_texture_from_pixmap");
|
|
}
|
|
|
|
if ((strcmp(extensions[i]->name, __DRI2_FLUSH) == 0)) {
|
|
psc->f = (__DRI2flushExtension *) extensions[i];
|
|
/* internal driver extension, no GL extension exposed */
|
|
}
|
|
|
|
if ((strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0))
|
|
psc->config = (__DRI2configQueryExtension *) extensions[i];
|
|
}
|
|
}
|
|
|
|
static const struct glx_screen_vtable dri2_screen_vtable = {
|
|
dri2_create_context
|
|
};
|
|
|
|
static struct glx_screen *
|
|
dri2CreateScreen(int screen, struct glx_display * priv)
|
|
{
|
|
const __DRIconfig **driver_configs;
|
|
const __DRIextension **extensions;
|
|
const struct dri2_display *const pdp = (struct dri2_display *)
|
|
priv->dri2Display;
|
|
struct dri2_screen *psc;
|
|
__GLXDRIscreen *psp;
|
|
char *driverName, *deviceName;
|
|
drm_magic_t magic;
|
|
int i;
|
|
|
|
psc = Xmalloc(sizeof *psc);
|
|
if (psc == NULL)
|
|
return NULL;
|
|
|
|
memset(psc, 0, sizeof *psc);
|
|
psc->fd = -1;
|
|
|
|
if (!glx_screen_init(&psc->base, screen, priv)) {
|
|
Xfree(psc);
|
|
return NULL;
|
|
}
|
|
|
|
if (!DRI2Connect(priv->dpy, RootWindow(priv->dpy, screen),
|
|
&driverName, &deviceName)) {
|
|
glx_screen_cleanup(&psc->base);
|
|
XFree(psc);
|
|
return NULL;
|
|
}
|
|
|
|
psc->driver = driOpenDriver(driverName);
|
|
if (psc->driver == NULL) {
|
|
ErrorMessageF("driver pointer missing\n");
|
|
goto handle_error;
|
|
}
|
|
|
|
extensions = dlsym(psc->driver, __DRI_DRIVER_EXTENSIONS);
|
|
if (extensions == NULL) {
|
|
ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
|
|
goto handle_error;
|
|
}
|
|
|
|
for (i = 0; extensions[i]; i++) {
|
|
if (strcmp(extensions[i]->name, __DRI_CORE) == 0)
|
|
psc->core = (__DRIcoreExtension *) extensions[i];
|
|
if (strcmp(extensions[i]->name, __DRI_DRI2) == 0)
|
|
psc->dri2 = (__DRIdri2Extension *) extensions[i];
|
|
}
|
|
|
|
if (psc->core == NULL || psc->dri2 == NULL) {
|
|
ErrorMessageF("core dri or dri2 extension not found\n");
|
|
goto handle_error;
|
|
}
|
|
|
|
psc->fd = open(deviceName, O_RDWR);
|
|
if (psc->fd < 0) {
|
|
ErrorMessageF("failed to open drm device: %s\n", strerror(errno));
|
|
goto handle_error;
|
|
}
|
|
|
|
if (drmGetMagic(psc->fd, &magic)) {
|
|
ErrorMessageF("failed to get magic\n");
|
|
goto handle_error;
|
|
}
|
|
|
|
if (!DRI2Authenticate(priv->dpy, RootWindow(priv->dpy, screen), magic)) {
|
|
ErrorMessageF("failed to authenticate magic %d\n", magic);
|
|
goto handle_error;
|
|
}
|
|
|
|
|
|
/* If the server does not support the protocol for
|
|
* DRI2GetBuffersWithFormat, don't supply that interface to the driver.
|
|
*/
|
|
psc->driScreen =
|
|
psc->dri2->createNewScreen(screen, psc->fd,
|
|
(const __DRIextension **)
|
|
&pdp->loader_extensions[0],
|
|
&driver_configs, psc);
|
|
|
|
if (psc->driScreen == NULL) {
|
|
ErrorMessageF("failed to create dri screen\n");
|
|
goto handle_error;
|
|
}
|
|
|
|
extensions = psc->core->getExtensions(psc->driScreen);
|
|
dri2BindExtensions(psc, extensions);
|
|
|
|
psc->base.configs =
|
|
driConvertConfigs(psc->core, psc->base.configs, driver_configs);
|
|
psc->base.visuals =
|
|
driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
|
|
|
|
psc->driver_configs = driver_configs;
|
|
|
|
psc->base.vtable = &dri2_screen_vtable;
|
|
psp = &psc->vtable;
|
|
psc->base.driScreen = psp;
|
|
psp->destroyScreen = dri2DestroyScreen;
|
|
psp->createDrawable = dri2CreateDrawable;
|
|
psp->swapBuffers = dri2SwapBuffers;
|
|
psp->getDrawableMSC = NULL;
|
|
psp->waitForMSC = NULL;
|
|
psp->waitForSBC = NULL;
|
|
psp->setSwapInterval = NULL;
|
|
psp->getSwapInterval = NULL;
|
|
|
|
if (pdp->driMinor >= 2) {
|
|
#ifdef X_DRI2GetMSC
|
|
psp->getDrawableMSC = dri2DrawableGetMSC;
|
|
#endif
|
|
#ifdef X_DRI2WaitMSC
|
|
psp->waitForMSC = dri2WaitForMSC;
|
|
psp->waitForSBC = dri2WaitForSBC;
|
|
#endif
|
|
#ifdef X_DRI2SwapInterval
|
|
psp->setSwapInterval = dri2SetSwapInterval;
|
|
psp->getSwapInterval = dri2GetSwapInterval;
|
|
#endif
|
|
#if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
|
|
__glXEnableDirectExtension(&psc->base, "GLX_OML_sync_control");
|
|
#endif
|
|
}
|
|
|
|
/* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
|
|
* available.*/
|
|
psp->copySubBuffer = dri2CopySubBuffer;
|
|
__glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer");
|
|
|
|
Xfree(driverName);
|
|
Xfree(deviceName);
|
|
|
|
return &psc->base;
|
|
|
|
handle_error:
|
|
if (psc->fd >= 0)
|
|
close(psc->fd);
|
|
if (psc->driver)
|
|
dlclose(psc->driver);
|
|
Xfree(driverName);
|
|
Xfree(deviceName);
|
|
glx_screen_cleanup(&psc->base);
|
|
XFree(psc);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Called from __glXFreeDisplayPrivate.
|
|
*/
|
|
static void
|
|
dri2DestroyDisplay(__GLXDRIdisplay * dpy)
|
|
{
|
|
struct dri2_display *pdp = (struct dri2_display *) dpy;
|
|
|
|
__glxHashDestroy(pdp->dri2Hash);
|
|
Xfree(dpy);
|
|
}
|
|
|
|
_X_HIDDEN __GLXDRIdrawable *
|
|
dri2GetGlxDrawableFromXDrawableId(Display *dpy, XID id)
|
|
{
|
|
struct glx_display *d = __glXInitialize(dpy);
|
|
struct dri2_display *pdp = (struct dri2_display *) d->dri2Display;
|
|
__GLXDRIdrawable *pdraw;
|
|
|
|
if (__glxHashLookup(pdp->dri2Hash, id, (void *) &pdraw) == 0)
|
|
return pdraw;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Allocate, initialize and return a __DRIdisplayPrivate object.
|
|
* This is called from __glXInitialize() when we are given a new
|
|
* display pointer.
|
|
*/
|
|
_X_HIDDEN __GLXDRIdisplay *
|
|
dri2CreateDisplay(Display * dpy)
|
|
{
|
|
struct dri2_display *pdp;
|
|
int eventBase, errorBase, i;
|
|
|
|
if (!DRI2QueryExtension(dpy, &eventBase, &errorBase))
|
|
return NULL;
|
|
|
|
pdp = Xmalloc(sizeof *pdp);
|
|
if (pdp == NULL)
|
|
return NULL;
|
|
|
|
if (!DRI2QueryVersion(dpy, &pdp->driMajor, &pdp->driMinor)) {
|
|
Xfree(pdp);
|
|
return NULL;
|
|
}
|
|
|
|
pdp->driPatch = 0;
|
|
pdp->swapAvailable = (pdp->driMinor >= 2);
|
|
pdp->invalidateAvailable = (pdp->driMinor >= 3);
|
|
|
|
pdp->base.destroyDisplay = dri2DestroyDisplay;
|
|
pdp->base.createScreen = dri2CreateScreen;
|
|
|
|
i = 0;
|
|
if (pdp->driMinor < 1)
|
|
pdp->loader_extensions[i++] = &dri2LoaderExtension_old.base;
|
|
else
|
|
pdp->loader_extensions[i++] = &dri2LoaderExtension.base;
|
|
|
|
pdp->loader_extensions[i++] = &systemTimeExtension.base;
|
|
|
|
#ifdef __DRI_USE_INVALIDATE
|
|
pdp->loader_extensions[i++] = &dri2UseInvalidate.base;
|
|
#endif
|
|
pdp->loader_extensions[i++] = NULL;
|
|
|
|
pdp->dri2Hash = __glxHashCreate();
|
|
if (pdp->dri2Hash == NULL) {
|
|
Xfree(pdp);
|
|
return NULL;
|
|
}
|
|
|
|
return &pdp->base;
|
|
}
|
|
|
|
#endif /* GLX_DIRECT_RENDERING */
|