1314 lines
40 KiB
C
1314 lines
40 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/Xlib-xcb.h>
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#include <xcb/xcb.h>
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#include <xcb/dri2.h>
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#include "glxclient.h"
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#include <X11/extensions/dri2proto.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 <sys/time.h>
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#include "dri2.h"
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#include "dri_common.h"
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#include "dri2_priv.h"
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#include "loader.h"
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#include "loader_dri_helper.h"
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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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__glxHashTable *dri2Hash;
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const __DRIextension *loader_extensions[5];
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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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uint64_t previous_time;
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unsigned frames;
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};
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static const struct glx_context_vtable dri2_context_vtable;
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/* For XCB's handling of ust/msc/sbc counters, we have to hand it the high and
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* low halves separately. This helps you split them.
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*/
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static void
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split_counter(uint64_t counter, uint32_t *hi, uint32_t *lo)
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{
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*hi = (counter >> 32);
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*lo = counter & 0xffffffff;
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}
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static uint64_t
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merge_counter(uint32_t hi, uint32_t lo)
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{
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return ((uint64_t)hi << 32) | lo;
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}
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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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free((char *) context->extensions);
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(*psc->core->destroyContext) (pcp->driContext);
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free(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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__DRIdrawable *dri_draw = NULL, *dri_read = NULL;
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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(old);
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if (pdraw)
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dri_draw = pdraw->driDrawable;
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else if (draw != None)
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return GLXBadDrawable;
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if (pread)
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dri_read = pread->driDrawable;
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else if (read != None)
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return GLXBadDrawable;
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if (!(*psc->core->bindContext) (pcp->driContext, dri_draw, dri_read))
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return GLXBadContext;
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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_attribs(struct glx_screen *base,
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struct glx_config *config_base,
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struct glx_context *shareList,
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unsigned num_attribs,
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const uint32_t *attribs,
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unsigned *error)
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{
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struct dri2_context *pcp = NULL;
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struct dri2_context *pcp_shared = NULL;
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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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struct dri_ctx_attribs dca;
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uint32_t ctx_attribs[2 * 6];
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unsigned num_ctx_attribs = 0;
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*error = dri_convert_glx_attribs(num_attribs, attribs, &dca);
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if (*error != __DRI_CTX_ERROR_SUCCESS)
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goto error_exit;
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/* Check the renderType value */
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if (!validate_renderType_against_config(config_base, dca.render_type))
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goto error_exit;
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if (shareList) {
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/* We can't share with an indirect context */
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if (!shareList->isDirect)
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return NULL;
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/* The GLX_ARB_create_context_no_error specs say:
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*
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* BadMatch is generated if the value of GLX_CONTEXT_OPENGL_NO_ERROR_ARB
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* used to create <share_context> does not match the value of
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* GLX_CONTEXT_OPENGL_NO_ERROR_ARB for the context being created.
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*/
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if (!!shareList->noError != !!dca.no_error) {
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*error = __DRI_CTX_ERROR_BAD_FLAG;
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return NULL;
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}
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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 = calloc(1, sizeof *pcp);
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if (pcp == NULL) {
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*error = __DRI_CTX_ERROR_NO_MEMORY;
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goto error_exit;
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}
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if (!glx_context_init(&pcp->base, &psc->base, config_base))
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goto error_exit;
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
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ctx_attribs[num_ctx_attribs++] = dca.major_ver;
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
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ctx_attribs[num_ctx_attribs++] = dca.minor_ver;
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/* Only send a value when the non-default value is requested. By doing
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* this we don't have to check the driver's DRI2 version before sending the
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* default value.
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*/
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if (dca.reset != __DRI_CTX_RESET_NO_NOTIFICATION) {
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
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ctx_attribs[num_ctx_attribs++] = dca.reset;
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}
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if (dca.release != __DRI_CTX_RELEASE_BEHAVIOR_FLUSH) {
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
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ctx_attribs[num_ctx_attribs++] = dca.release;
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}
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if (dca.no_error) {
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_NO_ERROR;
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ctx_attribs[num_ctx_attribs++] = dca.no_error;
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pcp->base.noError = GL_TRUE;
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}
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if (dca.flags != 0) {
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
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ctx_attribs[num_ctx_attribs++] = dca.flags;
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}
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/* The renderType is retrieved from attribs, or set to default
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* of GLX_RGBA_TYPE.
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*/
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pcp->base.renderType = dca.render_type;
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pcp->driContext =
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(*psc->dri2->createContextAttribs) (psc->driScreen,
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dca.api,
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config ? config->driConfig : NULL,
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shared,
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num_ctx_attribs / 2,
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ctx_attribs,
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error,
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pcp);
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if (pcp->driContext == NULL)
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goto error_exit;
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pcp->base.vtable = base->context_vtable;
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return &pcp->base;
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error_exit:
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free(pcp);
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return NULL;
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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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free(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, int type,
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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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dpyPriv = __glXInitialize(psc->base.dpy);
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if (dpyPriv == NULL)
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return NULL;
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pdraw = calloc(1, sizeof(*pdraw));
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if (!pdraw)
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return NULL;
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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 = dri_get_initial_swap_interval(psc->driScreen, psc->config);
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pdraw->have_back = 0;
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DRI2CreateDrawable(psc->base.dpy, xDrawable);
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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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free(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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free(pdraw);
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return None;
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}
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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 (psc->vtable.setSwapInterval)
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psc->vtable.setSwapInterval(&pdraw->base, pdraw->swap_interval);
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return &pdraw->base;
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}
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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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xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
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xcb_dri2_get_msc_cookie_t get_msc_cookie;
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xcb_dri2_get_msc_reply_t *get_msc_reply;
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get_msc_cookie = xcb_dri2_get_msc_unchecked(c, pdraw->xDrawable);
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get_msc_reply = xcb_dri2_get_msc_reply(c, get_msc_cookie, NULL);
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if (!get_msc_reply)
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return 0;
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*ust = merge_counter(get_msc_reply->ust_hi, get_msc_reply->ust_lo);
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*msc = merge_counter(get_msc_reply->msc_hi, get_msc_reply->msc_lo);
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*sbc = merge_counter(get_msc_reply->sbc_hi, get_msc_reply->sbc_lo);
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free(get_msc_reply);
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return 1;
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}
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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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xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
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xcb_dri2_wait_msc_cookie_t wait_msc_cookie;
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xcb_dri2_wait_msc_reply_t *wait_msc_reply;
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uint32_t target_msc_hi, target_msc_lo;
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uint32_t divisor_hi, divisor_lo;
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uint32_t remainder_hi, remainder_lo;
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split_counter(target_msc, &target_msc_hi, &target_msc_lo);
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split_counter(divisor, &divisor_hi, &divisor_lo);
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split_counter(remainder, &remainder_hi, &remainder_lo);
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wait_msc_cookie = xcb_dri2_wait_msc_unchecked(c, pdraw->xDrawable,
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target_msc_hi, target_msc_lo,
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divisor_hi, divisor_lo,
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remainder_hi, remainder_lo);
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wait_msc_reply = xcb_dri2_wait_msc_reply(c, wait_msc_cookie, NULL);
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if (!wait_msc_reply)
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return 0;
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*ust = merge_counter(wait_msc_reply->ust_hi, wait_msc_reply->ust_lo);
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*msc = merge_counter(wait_msc_reply->msc_hi, wait_msc_reply->msc_lo);
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*sbc = merge_counter(wait_msc_reply->sbc_hi, wait_msc_reply->sbc_lo);
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free(wait_msc_reply);
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return 1;
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}
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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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xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
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xcb_dri2_wait_sbc_cookie_t wait_sbc_cookie;
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xcb_dri2_wait_sbc_reply_t *wait_sbc_reply;
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uint32_t target_sbc_hi, target_sbc_lo;
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split_counter(target_sbc, &target_sbc_hi, &target_sbc_lo);
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|
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wait_sbc_cookie = xcb_dri2_wait_sbc_unchecked(c, pdraw->xDrawable,
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target_sbc_hi, target_sbc_lo);
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wait_sbc_reply = xcb_dri2_wait_sbc_reply(c, wait_sbc_cookie, NULL);
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|
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if (!wait_sbc_reply)
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return 0;
|
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|
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*ust = merge_counter(wait_sbc_reply->ust_hi, wait_sbc_reply->ust_lo);
|
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*msc = merge_counter(wait_sbc_reply->msc_hi, wait_sbc_reply->msc_lo);
|
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*sbc = merge_counter(wait_sbc_reply->sbc_hi, wait_sbc_reply->sbc_lo);
|
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free(wait_sbc_reply);
|
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|
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return 1;
|
|
}
|
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|
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static __DRIcontext *
|
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dri2GetCurrentContext()
|
|
{
|
|
struct glx_context *gc = __glXGetCurrentContext();
|
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struct dri2_context *dri2Ctx = (struct dri2_context *)gc;
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|
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return (gc != &dummyContext) ? dri2Ctx->driContext : NULL;
|
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}
|
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|
|
/**
|
|
* dri2Throttle - Request driver throttling
|
|
*
|
|
* This function uses the DRI2 throttle extension to give the
|
|
* driver the opportunity to throttle on flush front, copysubbuffer
|
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* and swapbuffers.
|
|
*/
|
|
static void
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dri2Throttle(struct dri2_screen *psc,
|
|
struct dri2_drawable *draw,
|
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enum __DRI2throttleReason reason)
|
|
{
|
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if (psc->throttle) {
|
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__DRIcontext *ctx = dri2GetCurrentContext();
|
|
|
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psc->throttle->throttle(ctx, draw->driDrawable, reason);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Asks the driver to flush any queued work necessary for serializing with the
|
|
* X command stream, and optionally the slightly more strict requirement of
|
|
* glFlush() equivalence (which would require flushing even if nothing had
|
|
* been drawn to a window system framebuffer, for example).
|
|
*/
|
|
static void
|
|
dri2Flush(struct dri2_screen *psc,
|
|
__DRIcontext *ctx,
|
|
struct dri2_drawable *draw,
|
|
unsigned flags,
|
|
enum __DRI2throttleReason throttle_reason)
|
|
{
|
|
if (ctx && psc->f && psc->f->base.version >= 4) {
|
|
psc->f->flush_with_flags(ctx, draw->driDrawable, flags, throttle_reason);
|
|
} else {
|
|
if (flags & __DRI2_FLUSH_CONTEXT)
|
|
glFlush();
|
|
|
|
if (psc->f)
|
|
psc->f->flush(draw->driDrawable);
|
|
|
|
dri2Throttle(psc, draw, throttle_reason);
|
|
}
|
|
}
|
|
|
|
static void
|
|
__dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y,
|
|
int width, int height,
|
|
enum __DRI2throttleReason reason, Bool flush)
|
|
{
|
|
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
|
|
struct dri2_screen *psc = (struct dri2_screen *) pdraw->psc;
|
|
XRectangle xrect;
|
|
XserverRegion region;
|
|
__DRIcontext *ctx = dri2GetCurrentContext();
|
|
unsigned flags;
|
|
|
|
/* Check we have the right attachments */
|
|
if (!priv->have_back)
|
|
return;
|
|
|
|
xrect.x = x;
|
|
xrect.y = priv->height - y - height;
|
|
xrect.width = width;
|
|
xrect.height = height;
|
|
|
|
flags = __DRI2_FLUSH_DRAWABLE;
|
|
if (flush)
|
|
flags |= __DRI2_FLUSH_CONTEXT;
|
|
dri2Flush(psc, ctx, priv, flags, __DRI2_THROTTLE_COPYSUBBUFFER);
|
|
|
|
region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
|
|
DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
|
|
DRI2BufferFrontLeft, DRI2BufferBackLeft);
|
|
|
|
/* Refresh the fake front (if present) after we just damaged the real
|
|
* front.
|
|
*/
|
|
if (priv->have_fake_front)
|
|
DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
|
|
DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
|
|
|
|
XFixesDestroyRegion(psc->base.dpy, region);
|
|
}
|
|
|
|
static void
|
|
dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y,
|
|
int width, int height, Bool flush)
|
|
{
|
|
__dri2CopySubBuffer(pdraw, x, y, width, height,
|
|
__DRI2_THROTTLE_COPYSUBBUFFER, flush);
|
|
}
|
|
|
|
|
|
static void
|
|
dri2_copy_drawable(struct dri2_drawable *priv, int dest, int src)
|
|
{
|
|
XRectangle xrect;
|
|
XserverRegion region;
|
|
struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
|
|
|
|
xrect.x = 0;
|
|
xrect.y = 0;
|
|
xrect.width = priv->width;
|
|
xrect.height = priv->height;
|
|
|
|
if (psc->f)
|
|
(*psc->f->flush) (priv->driDrawable);
|
|
|
|
region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
|
|
DRI2CopyRegion(psc->base.dpy, priv->base.xDrawable, region, dest, src);
|
|
XFixesDestroyRegion(psc->base.dpy, region);
|
|
|
|
}
|
|
|
|
static void
|
|
dri2_wait_x(struct glx_context *gc)
|
|
{
|
|
struct dri2_drawable *priv = (struct dri2_drawable *)
|
|
GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
|
|
|
|
if (priv == NULL || !priv->have_fake_front)
|
|
return;
|
|
|
|
dri2_copy_drawable(priv, DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
|
|
}
|
|
|
|
static void
|
|
dri2_wait_gl(struct glx_context *gc)
|
|
{
|
|
struct dri2_drawable *priv = (struct dri2_drawable *)
|
|
GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
|
|
|
|
if (priv == NULL || !priv->have_fake_front)
|
|
return;
|
|
|
|
dri2_copy_drawable(priv, DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
|
|
}
|
|
|
|
/**
|
|
* Called by the driver when it needs to update the real front buffer with the
|
|
* contents of its fake front buffer.
|
|
*/
|
|
static void
|
|
dri2FlushFrontBuffer(__DRIdrawable *driDrawable, void *loaderPrivate)
|
|
{
|
|
struct glx_display *priv;
|
|
struct glx_context *gc;
|
|
struct dri2_drawable *pdraw = loaderPrivate;
|
|
struct dri2_screen *psc;
|
|
|
|
if (!pdraw)
|
|
return;
|
|
|
|
if (!pdraw->base.psc)
|
|
return;
|
|
|
|
psc = (struct dri2_screen *) pdraw->base.psc;
|
|
|
|
priv = __glXInitialize(psc->base.dpy);
|
|
|
|
if (priv == NULL)
|
|
return;
|
|
|
|
gc = __glXGetCurrentContext();
|
|
|
|
dri2Throttle(psc, pdraw, __DRI2_THROTTLE_FLUSHFRONT);
|
|
|
|
dri2_wait_gl(gc);
|
|
}
|
|
|
|
|
|
static void
|
|
dri2DestroyScreen(struct glx_screen *base)
|
|
{
|
|
struct dri2_screen *psc = (struct dri2_screen *) base;
|
|
|
|
/* Free the direct rendering per screen data */
|
|
(*psc->core->destroyScreen) (psc->driScreen);
|
|
driDestroyConfigs(psc->driver_configs);
|
|
free(psc->driverName);
|
|
close(psc->fd);
|
|
free(psc);
|
|
}
|
|
|
|
/**
|
|
* Process list of buffer received from the server
|
|
*
|
|
* Processes the list of buffers received in a reply from the server to either
|
|
* \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
|
|
*/
|
|
static void
|
|
process_buffers(struct dri2_drawable * pdraw, DRI2Buffer * buffers,
|
|
unsigned count)
|
|
{
|
|
int i;
|
|
|
|
pdraw->bufferCount = count;
|
|
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 void show_fps(struct dri2_drawable *draw)
|
|
{
|
|
const int interval =
|
|
((struct dri2_screen *) draw->base.psc)->show_fps_interval;
|
|
struct timeval tv;
|
|
uint64_t current_time;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
current_time = (uint64_t)tv.tv_sec*1000000 + (uint64_t)tv.tv_usec;
|
|
|
|
draw->frames++;
|
|
|
|
if (draw->previous_time + interval * 1000000 <= current_time) {
|
|
if (draw->previous_time) {
|
|
fprintf(stderr, "libGL: FPS = %.2f\n",
|
|
((uint64_t)draw->frames * 1000000) /
|
|
(double)(current_time - draw->previous_time));
|
|
}
|
|
draw->frames = 0;
|
|
draw->previous_time = current_time;
|
|
}
|
|
}
|
|
|
|
static int64_t
|
|
dri2XcbSwapBuffers(Display *dpy,
|
|
__GLXDRIdrawable *pdraw,
|
|
int64_t target_msc,
|
|
int64_t divisor,
|
|
int64_t remainder)
|
|
{
|
|
xcb_dri2_swap_buffers_cookie_t swap_buffers_cookie;
|
|
xcb_dri2_swap_buffers_reply_t *swap_buffers_reply;
|
|
uint32_t target_msc_hi, target_msc_lo;
|
|
uint32_t divisor_hi, divisor_lo;
|
|
uint32_t remainder_hi, remainder_lo;
|
|
int64_t ret = 0;
|
|
xcb_connection_t *c = XGetXCBConnection(dpy);
|
|
|
|
split_counter(target_msc, &target_msc_hi, &target_msc_lo);
|
|
split_counter(divisor, &divisor_hi, &divisor_lo);
|
|
split_counter(remainder, &remainder_hi, &remainder_lo);
|
|
|
|
swap_buffers_cookie =
|
|
xcb_dri2_swap_buffers_unchecked(c, pdraw->xDrawable,
|
|
target_msc_hi, target_msc_lo,
|
|
divisor_hi, divisor_lo,
|
|
remainder_hi, remainder_lo);
|
|
|
|
/* Immediately wait on the swapbuffers reply. If we didn't, we'd have
|
|
* to do so some time before reusing a (non-pageflipped) backbuffer.
|
|
* Otherwise, the new rendering could get ahead of the X Server's
|
|
* dispatch of the swapbuffer and you'd display garbage.
|
|
*
|
|
* We use XSync() first to reap the invalidate events through the event
|
|
* filter, to ensure that the next drawing doesn't use an invalidated
|
|
* buffer.
|
|
*/
|
|
XSync(dpy, False);
|
|
|
|
swap_buffers_reply =
|
|
xcb_dri2_swap_buffers_reply(c, swap_buffers_cookie, NULL);
|
|
if (swap_buffers_reply) {
|
|
ret = merge_counter(swap_buffers_reply->swap_hi,
|
|
swap_buffers_reply->swap_lo);
|
|
free(swap_buffers_reply);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int64_t
|
|
dri2SwapBuffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
|
|
int64_t remainder, Bool flush)
|
|
{
|
|
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
|
|
struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
|
|
int64_t ret = 0;
|
|
|
|
/* Check we have the right attachments */
|
|
if (!priv->have_back)
|
|
return ret;
|
|
|
|
__DRIcontext *ctx = dri2GetCurrentContext();
|
|
unsigned flags = __DRI2_FLUSH_DRAWABLE;
|
|
if (flush)
|
|
flags |= __DRI2_FLUSH_CONTEXT;
|
|
dri2Flush(psc, ctx, priv, flags, __DRI2_THROTTLE_SWAPBUFFER);
|
|
|
|
ret = dri2XcbSwapBuffers(pdraw->psc->dpy, pdraw,
|
|
target_msc, divisor, remainder);
|
|
|
|
if (psc->show_fps_interval) {
|
|
show_fps(priv);
|
|
}
|
|
|
|
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);
|
|
|
|
free(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);
|
|
|
|
free(buffers);
|
|
|
|
return pdraw->buffers;
|
|
}
|
|
|
|
static int
|
|
dri2SetSwapInterval(__GLXDRIdrawable *pdraw, int interval)
|
|
{
|
|
xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
|
|
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
|
|
struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
|
|
|
|
if (!dri_valid_swap_interval(psc->driScreen, psc->config, interval))
|
|
return GLX_BAD_VALUE;
|
|
|
|
xcb_dri2_swap_interval(c, 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;
|
|
}
|
|
|
|
static void
|
|
driSetBackgroundContext(void *loaderPrivate)
|
|
{
|
|
struct dri2_context *pcp = (struct dri2_context *) loaderPrivate;
|
|
__glXSetCurrentContext(&pcp->base);
|
|
}
|
|
|
|
static GLboolean
|
|
driIsThreadSafe(void *loaderPrivate)
|
|
{
|
|
struct dri2_context *pcp = (struct dri2_context *) loaderPrivate;
|
|
/* Check Xlib is running in thread safe mode
|
|
*
|
|
* 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
|
|
* It wll be NULL if XInitThreads wasn't called.
|
|
*/
|
|
return pcp->base.psc->dpy->lock_fns != NULL;
|
|
}
|
|
|
|
static const __DRIdri2LoaderExtension dri2LoaderExtension = {
|
|
.base = { __DRI_DRI2_LOADER, 3 },
|
|
|
|
.getBuffers = dri2GetBuffers,
|
|
.flushFrontBuffer = dri2FlushFrontBuffer,
|
|
.getBuffersWithFormat = dri2GetBuffersWithFormat,
|
|
};
|
|
|
|
const __DRIuseInvalidateExtension dri2UseInvalidate = {
|
|
.base = { __DRI_USE_INVALIDATE, 1 }
|
|
};
|
|
|
|
const __DRIbackgroundCallableExtension driBackgroundCallable = {
|
|
.base = { __DRI_BACKGROUND_CALLABLE, 2 },
|
|
|
|
.setBackgroundContext = driSetBackgroundContext,
|
|
.isThreadSafe = driIsThreadSafe,
|
|
};
|
|
|
|
_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 (psc->f && psc->f->base.version >= 3 && psc->f->invalidate)
|
|
psc->f->invalidate(pdp->driDrawable);
|
|
}
|
|
|
|
static void
|
|
dri2_bind_tex_image(__GLXDRIdrawable *base,
|
|
int buffer, const int *attrib_list)
|
|
{
|
|
struct glx_context *gc = __glXGetCurrentContext();
|
|
struct dri2_context *pcp = (struct dri2_context *) gc;
|
|
struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
|
|
struct dri2_screen *psc;
|
|
|
|
if (pdraw != NULL) {
|
|
psc = (struct dri2_screen *) base->psc;
|
|
|
|
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(__GLXDRIdrawable *base, int buffer)
|
|
{
|
|
struct glx_context *gc = __glXGetCurrentContext();
|
|
struct dri2_context *pcp = (struct dri2_context *) gc;
|
|
struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
static const struct glx_context_vtable dri2_context_vtable = {
|
|
.destroy = dri2_destroy_context,
|
|
.bind = dri2_bind_context,
|
|
.unbind = dri2_unbind_context,
|
|
.wait_gl = dri2_wait_gl,
|
|
.wait_x = dri2_wait_x,
|
|
.interop_query_device_info = dri2_interop_query_device_info,
|
|
.interop_export_object = dri2_interop_export_object
|
|
};
|
|
|
|
static void
|
|
dri2BindExtensions(struct dri2_screen *psc, struct glx_display * priv,
|
|
const char *driverName)
|
|
{
|
|
const unsigned mask = psc->dri2->getAPIMask(psc->driScreen);
|
|
const __DRIextension **extensions;
|
|
int i;
|
|
|
|
extensions = psc->core->getExtensions(psc->driScreen);
|
|
|
|
__glXEnableDirectExtension(&psc->base, "GLX_EXT_swap_control");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_SGI_swap_control");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_MESA_swap_control");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_SGI_make_current_read");
|
|
|
|
/*
|
|
* GLX_INTEL_swap_event is broken on the server side, where it's
|
|
* currently unconditionally enabled. This completely breaks
|
|
* systems running on drivers which don't support that extension.
|
|
* There's no way to test for its presence on this side, so instead
|
|
* of disabling it unconditionally, just disable it for drivers
|
|
* which are known to not support it.
|
|
*
|
|
* This was fixed in xserver 1.15.0 (190b03215), so now we only
|
|
* disable the broken driver.
|
|
*/
|
|
if (strcmp(driverName, "vmwgfx") != 0) {
|
|
__glXEnableDirectExtension(&psc->base, "GLX_INTEL_swap_event");
|
|
}
|
|
|
|
__glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_EXT_no_config_context");
|
|
|
|
if ((mask & ((1 << __DRI_API_GLES) |
|
|
(1 << __DRI_API_GLES2) |
|
|
(1 << __DRI_API_GLES3))) != 0) {
|
|
__glXEnableDirectExtension(&psc->base,
|
|
"GLX_EXT_create_context_es_profile");
|
|
__glXEnableDirectExtension(&psc->base,
|
|
"GLX_EXT_create_context_es2_profile");
|
|
}
|
|
|
|
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];
|
|
|
|
if (((strcmp(extensions[i]->name, __DRI2_THROTTLE) == 0)))
|
|
psc->throttle = (__DRI2throttleExtension *) extensions[i];
|
|
|
|
if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0)
|
|
__glXEnableDirectExtension(&psc->base,
|
|
"GLX_ARB_create_context_robustness");
|
|
|
|
if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
|
|
psc->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
|
|
__glXEnableDirectExtension(&psc->base, "GLX_MESA_query_renderer");
|
|
unsigned int no_error = 0;
|
|
if (psc->rendererQuery->queryInteger(psc->driScreen,
|
|
__DRI2_RENDERER_HAS_NO_ERROR_CONTEXT,
|
|
&no_error) == 0 && no_error)
|
|
__glXEnableDirectExtension(&psc->base,
|
|
"GLX_ARB_create_context_no_error");
|
|
}
|
|
|
|
if (strcmp(extensions[i]->name, __DRI2_INTEROP) == 0)
|
|
psc->interop = (__DRI2interopExtension*)extensions[i];
|
|
|
|
if (strcmp(extensions[i]->name, __DRI2_FLUSH_CONTROL) == 0)
|
|
__glXEnableDirectExtension(&psc->base,
|
|
"GLX_ARB_context_flush_control");
|
|
}
|
|
}
|
|
|
|
static char *
|
|
dri2_get_driver_name(struct glx_screen *glx_screen)
|
|
{
|
|
struct dri2_screen *psc = (struct dri2_screen *)glx_screen;
|
|
|
|
return psc->driverName;
|
|
}
|
|
|
|
static const struct glx_screen_vtable dri2_screen_vtable = {
|
|
.create_context = dri_common_create_context,
|
|
.create_context_attribs = dri2_create_context_attribs,
|
|
.query_renderer_integer = dri2_query_renderer_integer,
|
|
.query_renderer_string = dri2_query_renderer_string,
|
|
.get_driver_name = dri2_get_driver_name,
|
|
};
|
|
|
|
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;
|
|
struct glx_config *configs = NULL, *visuals = NULL;
|
|
char *driverName = NULL, *loader_driverName, *deviceName, *tmp;
|
|
drm_magic_t magic;
|
|
int i;
|
|
|
|
psc = calloc(1, sizeof *psc);
|
|
if (psc == NULL)
|
|
return NULL;
|
|
|
|
psc->fd = -1;
|
|
|
|
if (!glx_screen_init(&psc->base, screen, priv)) {
|
|
free(psc);
|
|
return NULL;
|
|
}
|
|
|
|
if (!DRI2Connect(priv->dpy, RootWindow(priv->dpy, screen),
|
|
&driverName, &deviceName)) {
|
|
glx_screen_cleanup(&psc->base);
|
|
free(psc);
|
|
InfoMessageF("screen %d does not appear to be DRI2 capable\n", screen);
|
|
return NULL;
|
|
}
|
|
|
|
psc->fd = loader_open_device(deviceName);
|
|
if (psc->fd < 0) {
|
|
ErrorMessageF("failed to open %s: %s\n", deviceName, 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 Mesa knows about the appropriate driver for this fd, then trust it.
|
|
* Otherwise, default to the server's value.
|
|
*/
|
|
loader_driverName = loader_get_driver_for_fd(psc->fd);
|
|
if (loader_driverName) {
|
|
free(driverName);
|
|
driverName = loader_driverName;
|
|
}
|
|
psc->driverName = driverName;
|
|
|
|
extensions = driOpenDriver(driverName, &psc->driver);
|
|
if (extensions == NULL)
|
|
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 || psc->dri2->base.version < 3) {
|
|
ErrorMessageF("core dri or dri2 extension not found\n");
|
|
goto handle_error;
|
|
}
|
|
|
|
if (psc->dri2->base.version >= 4) {
|
|
psc->driScreen =
|
|
psc->dri2->createNewScreen2(screen, psc->fd,
|
|
(const __DRIextension **)
|
|
&pdp->loader_extensions[0],
|
|
extensions,
|
|
&driver_configs, psc);
|
|
} else {
|
|
psc->driScreen =
|
|
psc->dri2->createNewScreen(screen, psc->fd,
|
|
(const __DRIextension **)
|
|
&pdp->loader_extensions[0],
|
|
&driver_configs, psc);
|
|
}
|
|
|
|
if (psc->driScreen == NULL) {
|
|
ErrorMessageF("glx: failed to create dri2 screen\n");
|
|
goto handle_error;
|
|
}
|
|
|
|
dri2BindExtensions(psc, priv, driverName);
|
|
|
|
configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
|
|
visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
|
|
|
|
if (!configs || !visuals) {
|
|
ErrorMessageF("No matching fbConfigs or visuals found\n");
|
|
goto handle_error;
|
|
}
|
|
|
|
glx_config_destroy_list(psc->base.configs);
|
|
psc->base.configs = configs;
|
|
glx_config_destroy_list(psc->base.visuals);
|
|
psc->base.visuals = visuals;
|
|
|
|
psc->driver_configs = driver_configs;
|
|
|
|
psc->base.vtable = &dri2_screen_vtable;
|
|
psc->base.context_vtable = &dri2_context_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;
|
|
psp->getBufferAge = NULL;
|
|
psp->bindTexImage = dri2_bind_tex_image;
|
|
psp->releaseTexImage = dri2_release_tex_image;
|
|
|
|
psp->getDrawableMSC = dri2DrawableGetMSC;
|
|
psp->waitForMSC = dri2WaitForMSC;
|
|
psp->waitForSBC = dri2WaitForSBC;
|
|
psp->setSwapInterval = dri2SetSwapInterval;
|
|
psp->getSwapInterval = dri2GetSwapInterval;
|
|
psp->maxSwapInterval = INT_MAX;
|
|
|
|
__glXEnableDirectExtension(&psc->base, "GLX_OML_sync_control");
|
|
__glXEnableDirectExtension(&psc->base, "GLX_SGI_video_sync");
|
|
|
|
if (psc->config->base.version > 1 &&
|
|
psc->config->configQuerys(psc->driScreen, "glx_extension_override",
|
|
&tmp) == 0)
|
|
__glXParseExtensionOverride(&psc->base, tmp);
|
|
|
|
if (psc->config->base.version > 1 &&
|
|
psc->config->configQuerys(psc->driScreen,
|
|
"indirect_gl_extension_override",
|
|
&tmp) == 0)
|
|
__IndirectGlParseExtensionOverride(&psc->base, tmp);
|
|
|
|
if (psc->config->base.version > 1) {
|
|
uint8_t force = false;
|
|
if (psc->config->configQueryb(psc->driScreen, "force_direct_glx_context",
|
|
&force) == 0) {
|
|
psc->base.force_direct_context = force;
|
|
}
|
|
|
|
uint8_t invalid_glx_destroy_window = false;
|
|
if (psc->config->configQueryb(psc->driScreen,
|
|
"allow_invalid_glx_destroy_window",
|
|
&invalid_glx_destroy_window) == 0) {
|
|
psc->base.allow_invalid_glx_destroy_window = invalid_glx_destroy_window;
|
|
}
|
|
}
|
|
|
|
/* DRI2 supports SubBuffer through DRI2CopyRegion, so it's always
|
|
* available.*/
|
|
psp->copySubBuffer = dri2CopySubBuffer;
|
|
__glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer");
|
|
|
|
free(deviceName);
|
|
|
|
tmp = getenv("LIBGL_SHOW_FPS");
|
|
psc->show_fps_interval = (tmp) ? atoi(tmp) : 0;
|
|
if (psc->show_fps_interval < 0)
|
|
psc->show_fps_interval = 0;
|
|
|
|
InfoMessageF("Using DRI2 for screen %d\n", screen);
|
|
|
|
return &psc->base;
|
|
|
|
handle_error:
|
|
CriticalErrorMessageF("failed to load driver: %s\n", driverName);
|
|
|
|
if (configs)
|
|
glx_config_destroy_list(configs);
|
|
if (visuals)
|
|
glx_config_destroy_list(visuals);
|
|
if (psc->driScreen)
|
|
psc->core->destroyScreen(psc->driScreen);
|
|
psc->driScreen = NULL;
|
|
if (psc->fd >= 0)
|
|
close(psc->fd);
|
|
if (psc->driver)
|
|
dlclose(psc->driver);
|
|
|
|
free(deviceName);
|
|
glx_screen_cleanup(&psc->base);
|
|
free(psc);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Called from __glXFreeDisplayPrivate.
|
|
*/
|
|
static void
|
|
dri2DestroyDisplay(__GLXDRIdisplay * dpy)
|
|
{
|
|
struct dri2_display *pdp = (struct dri2_display *) dpy;
|
|
|
|
__glxHashDestroy(pdp->dri2Hash);
|
|
free(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;
|
|
int driMajor, driMinor;
|
|
|
|
if (!DRI2QueryExtension(dpy, &eventBase, &errorBase))
|
|
return NULL;
|
|
|
|
pdp = malloc(sizeof *pdp);
|
|
if (pdp == NULL)
|
|
return NULL;
|
|
|
|
if (!DRI2QueryVersion(dpy, &driMajor, &driMinor) ||
|
|
driMinor < 3) {
|
|
free(pdp);
|
|
return NULL;
|
|
}
|
|
|
|
pdp->base.destroyDisplay = dri2DestroyDisplay;
|
|
pdp->base.createScreen = dri2CreateScreen;
|
|
|
|
i = 0;
|
|
pdp->loader_extensions[i++] = &dri2LoaderExtension.base;
|
|
pdp->loader_extensions[i++] = &dri2UseInvalidate.base;
|
|
pdp->loader_extensions[i++] = &driBackgroundCallable.base;
|
|
pdp->loader_extensions[i++] = NULL;
|
|
|
|
pdp->dri2Hash = __glxHashCreate();
|
|
if (pdp->dri2Hash == NULL) {
|
|
free(pdp);
|
|
return NULL;
|
|
}
|
|
|
|
return &pdp->base;
|
|
}
|
|
|
|
#endif /* GLX_DIRECT_RENDERING */
|