2
* Copyright 2008 George Sapountzis
4
* Permission is hereby granted, free of charge, to any person obtaining a
5
* copy of this software and associated documentation files (the "Software"),
6
* to deal in the Software without restriction, including without limitation
7
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
8
* and/or sell copies of the Software, and to permit persons to whom the
9
* Software is furnished to do so, subject to the following conditions:
11
* The above copyright notice and this permission notice (including the next
12
* paragraph) shall be included in all copies or substantial portions of the
15
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
26
#include <xcb/xproto.h>
29
#include <X11/Xlib-xcb.h>
30
#include "glxclient.h"
32
#include "dri_common.h"
33
#include "drisw_priv.h"
34
#include <X11/extensions/shmproto.h>
36
#include "util/debug.h"
37
#include "kopper_interface.h"
39
static int xshm_error = 0;
40
static int xshm_opcode = -1;
43
* Catches potential Xlib errors.
46
handle_xerror(Display *dpy, XErrorEvent *event)
50
assert(xshm_opcode != -1);
51
if (event->request_code != xshm_opcode)
54
xshm_error = event->error_code;
59
XCreateDrawable(struct drisw_drawable * pdp, int shmid, Display * dpy)
62
XDestroyImage(pdp->ximage);
64
if ((pdp->shminfo.shmid > 0) && (shmid != pdp->shminfo.shmid))
65
XShmDetach(dpy, &pdp->shminfo);
68
if (!xshm_error && shmid >= 0) {
69
pdp->shminfo.shmid = shmid;
70
pdp->ximage = XShmCreateImage(dpy,
75
&pdp->shminfo, /* shminfo */
76
0, 0); /* width, height */
77
if (pdp->ximage != NULL) {
78
int (*old_handler)(Display *, XErrorEvent *);
80
/* dispatch pending errors */
83
old_handler = XSetErrorHandler(handle_xerror);
84
/* This may trigger the X protocol error we're ready to catch: */
85
XShmAttach(dpy, &pdp->shminfo);
89
/* we are on a remote display, this error is normal, don't print it */
90
XDestroyImage(pdp->ximage);
94
(void) XSetErrorHandler(old_handler);
98
if (pdp->ximage == NULL) {
99
pdp->shminfo.shmid = -1;
100
pdp->ximage = XCreateImage(dpy,
103
ZPixmap, 0, /* format, offset */
105
0, 0, /* width, height */
107
0); /* bytes_per_line */
111
* swrast does not handle 24-bit depth with 24 bpp, so let X do the
112
* the conversion for us.
114
if (pdp->ximage->bits_per_pixel == 24)
115
pdp->ximage->bits_per_pixel = 32;
121
XDestroyDrawable(struct drisw_drawable * pdp, Display * dpy, XID drawable)
124
XDestroyImage(pdp->ximage);
126
if (pdp->shminfo.shmid > 0)
127
XShmDetach(dpy, &pdp->shminfo);
129
XFreeGC(dpy, pdp->gc);
133
* swrast loader functions
137
swrastGetDrawableInfo(__DRIdrawable * draw,
138
int *x, int *y, int *w, int *h,
141
struct drisw_drawable *pdp = loaderPrivate;
142
__GLXDRIdrawable *pdraw = &(pdp->base);
143
Display *dpy = pdraw->psc->dpy;
147
unsigned uw, uh, bw, depth;
149
drawable = pdraw->xDrawable;
151
XGetGeometry(dpy, drawable, &root, x, y, &uw, &uh, &bw, &depth);
157
* Align renderbuffer pitch.
159
* This should be chosen by the driver and the loader (libGL, xserver/glx)
160
* should use the driver provided pitch.
162
* It seems that the xorg loader (that is the xserver loading swrast_dri for
163
* indirect rendering, not client-side libGL) requires that the pitch is
164
* exactly the image width padded to 32 bits. XXX
166
* The above restriction can probably be overcome by using ScratchPixmap and
167
* CopyArea in the xserver, similar to ShmPutImage, and setting the width of
168
* the scratch pixmap to 'pitch / cpp'.
171
bytes_per_line(unsigned pitch_bits, unsigned mul)
173
unsigned mask = mul - 1;
175
return ((pitch_bits + mask) & ~mask) / 8;
179
swrastXPutImage(__DRIdrawable * draw, int op,
180
int srcx, int srcy, int x, int y,
181
int w, int h, int stride,
182
int shmid, char *data, void *loaderPrivate)
184
struct drisw_drawable *pdp = loaderPrivate;
185
__GLXDRIdrawable *pdraw = &(pdp->base);
186
Display *dpy = pdraw->psc->dpy;
191
if (!pdp->ximage || shmid != pdp->shminfo.shmid) {
192
if (!XCreateDrawable(pdp, shmid, dpy))
196
drawable = pdraw->xDrawable;
197
ximage = pdp->ximage;
198
ximage->bytes_per_line = stride ? stride : bytes_per_line(w * ximage->bits_per_pixel, 32);
201
ximage->width = ximage->bytes_per_line / ((ximage->bits_per_pixel + 7)/ 8);
204
if (pdp->shminfo.shmid >= 0) {
205
XShmPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h, False);
208
XPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h);
214
swrastPutImageShm(__DRIdrawable * draw, int op,
215
int x, int y, int w, int h, int stride,
216
int shmid, char *shmaddr, unsigned offset,
219
struct drisw_drawable *pdp = loaderPrivate;
224
pdp->shminfo.shmaddr = shmaddr;
225
swrastXPutImage(draw, op, 0, 0, x, y, w, h, stride, shmid,
226
shmaddr + offset, loaderPrivate);
230
swrastPutImageShm2(__DRIdrawable * draw, int op,
232
int w, int h, int stride,
233
int shmid, char *shmaddr, unsigned offset,
236
struct drisw_drawable *pdp = loaderPrivate;
241
pdp->shminfo.shmaddr = shmaddr;
242
swrastXPutImage(draw, op, x, 0, x, y, w, h, stride, shmid,
243
shmaddr + offset, loaderPrivate);
247
swrastPutImage2(__DRIdrawable * draw, int op,
248
int x, int y, int w, int h, int stride,
249
char *data, void *loaderPrivate)
254
swrastXPutImage(draw, op, 0, 0, x, y, w, h, stride, -1,
255
data, loaderPrivate);
259
swrastPutImage(__DRIdrawable * draw, int op,
260
int x, int y, int w, int h,
261
char *data, void *loaderPrivate)
266
swrastXPutImage(draw, op, 0, 0, x, y, w, h, 0, -1,
267
data, loaderPrivate);
271
swrastGetImage2(__DRIdrawable * read,
272
int x, int y, int w, int h, int stride,
273
char *data, void *loaderPrivate)
275
struct drisw_drawable *prp = loaderPrivate;
276
__GLXDRIdrawable *pread = &(prp->base);
277
Display *dpy = pread->psc->dpy;
281
if (!prp->ximage || prp->shminfo.shmid >= 0) {
282
if (!XCreateDrawable(prp, -1, dpy))
286
readable = pread->xDrawable;
288
ximage = prp->ximage;
292
ximage->bytes_per_line = stride ? stride : bytes_per_line(w * ximage->bits_per_pixel, 32);
294
XGetSubImage(dpy, readable, x, y, w, h, ~0L, ZPixmap, ximage, 0, 0);
300
swrastGetImage(__DRIdrawable * read,
301
int x, int y, int w, int h,
302
char *data, void *loaderPrivate)
304
swrastGetImage2(read, x, y, w, h, 0, data, loaderPrivate);
308
swrastGetImageShm2(__DRIdrawable * read,
309
int x, int y, int w, int h,
310
int shmid, void *loaderPrivate)
312
struct drisw_drawable *prp = loaderPrivate;
313
__GLXDRIdrawable *pread = &(prp->base);
314
Display *dpy = pread->psc->dpy;
318
if (!prp->ximage || shmid != prp->shminfo.shmid) {
319
if (!XCreateDrawable(prp, shmid, dpy))
323
if (prp->shminfo.shmid == -1)
325
readable = pread->xDrawable;
327
ximage = prp->ximage;
328
ximage->data = prp->shminfo.shmaddr; /* no offset */
331
ximage->bytes_per_line = bytes_per_line(w * ximage->bits_per_pixel, 32);
333
XShmGetImage(dpy, readable, ximage, x, y, ~0L);
338
swrastGetImageShm(__DRIdrawable * read,
339
int x, int y, int w, int h,
340
int shmid, void *loaderPrivate)
342
swrastGetImageShm2(read, x, y, w, h, shmid, loaderPrivate);
345
static const __DRIswrastLoaderExtension swrastLoaderExtension_shm = {
346
.base = {__DRI_SWRAST_LOADER, 6 },
348
.getDrawableInfo = swrastGetDrawableInfo,
349
.putImage = swrastPutImage,
350
.getImage = swrastGetImage,
351
.putImage2 = swrastPutImage2,
352
.getImage2 = swrastGetImage2,
353
.putImageShm = swrastPutImageShm,
354
.getImageShm = swrastGetImageShm,
355
.putImageShm2 = swrastPutImageShm2,
356
.getImageShm2 = swrastGetImageShm2,
359
static const __DRIswrastLoaderExtension swrastLoaderExtension = {
360
.base = {__DRI_SWRAST_LOADER, 3 },
362
.getDrawableInfo = swrastGetDrawableInfo,
363
.putImage = swrastPutImage,
364
.getImage = swrastGetImage,
365
.putImage2 = swrastPutImage2,
366
.getImage2 = swrastGetImage2,
370
kopperSetSurfaceCreateInfo(void *_draw, struct kopper_loader_info *out)
372
__GLXDRIdrawable *draw = _draw;
374
out->xcb.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
375
out->xcb.pNext = NULL;
377
out->xcb.connection = XGetXCBConnection(draw->psc->dpy);
378
out->xcb.window = draw->xDrawable;
381
static const __DRIkopperLoaderExtension kopperLoaderExtension = {
382
.base = { __DRI_KOPPER_LOADER, 1 },
384
.SetSurfaceCreateInfo = kopperSetSurfaceCreateInfo,
387
static const __DRIextension *loader_extensions_shm[] = {
388
&swrastLoaderExtension_shm.base,
389
&kopperLoaderExtension.base,
393
static const __DRIextension *loader_extensions_noshm[] = {
394
&swrastLoaderExtension.base,
395
&kopperLoaderExtension.base,
399
extern const __DRIuseInvalidateExtension dri2UseInvalidate;
400
extern const __DRIbackgroundCallableExtension driBackgroundCallable;
402
static const __DRIextension *kopper_extensions_noshm[] = {
403
&swrastLoaderExtension.base,
404
&kopperLoaderExtension.base,
405
&dri2UseInvalidate.base,
406
&driBackgroundCallable.base,
415
drisw_destroy_context(struct glx_context *context)
417
struct drisw_context *pcp = (struct drisw_context *) context;
418
struct drisw_screen *psc = (struct drisw_screen *) context->psc;
420
driReleaseDrawables(&pcp->base);
422
free((char *) context->extensions);
424
(*psc->core->destroyContext) (pcp->driContext);
430
drisw_bind_context(struct glx_context *context, struct glx_context *old,
431
GLXDrawable draw, GLXDrawable read)
433
struct drisw_context *pcp = (struct drisw_context *) context;
434
struct drisw_screen *psc = (struct drisw_screen *) pcp->base.psc;
435
struct drisw_drawable *pdraw, *pread;
437
pdraw = (struct drisw_drawable *) driFetchDrawable(context, draw);
438
pread = (struct drisw_drawable *) driFetchDrawable(context, read);
440
driReleaseDrawables(&pcp->base);
442
if (!(*psc->core->bindContext) (pcp->driContext,
443
pdraw ? pdraw->driDrawable : NULL,
444
pread ? pread->driDrawable : NULL))
445
return GLXBadContext;
448
psc->f->invalidate(pdraw->driDrawable);
449
if (pread && (!pdraw || pread->driDrawable != pdraw->driDrawable))
450
psc->f->invalidate(pread->driDrawable);
457
drisw_unbind_context(struct glx_context *context, struct glx_context *new)
459
struct drisw_context *pcp = (struct drisw_context *) context;
460
struct drisw_screen *psc = (struct drisw_screen *) pcp->base.psc;
462
(*psc->core->unbindContext) (pcp->driContext);
466
drisw_wait_gl(struct glx_context *context)
472
drisw_wait_x(struct glx_context *context)
474
XSync(context->currentDpy, False);
478
drisw_bind_tex_image(__GLXDRIdrawable *base,
479
int buffer, const int *attrib_list)
481
struct glx_context *gc = __glXGetCurrentContext();
482
struct drisw_context *pcp = (struct drisw_context *) gc;
483
struct drisw_drawable *pdraw = (struct drisw_drawable *) base;
484
struct drisw_screen *psc;
487
psc = (struct drisw_screen *) base->psc;
492
if (psc->texBuffer->base.version >= 2 &&
493
psc->texBuffer->setTexBuffer2 != NULL) {
494
(*psc->texBuffer->setTexBuffer2) (pcp->driContext,
495
pdraw->base.textureTarget,
496
pdraw->base.textureFormat,
500
(*psc->texBuffer->setTexBuffer) (pcp->driContext,
501
pdraw->base.textureTarget,
508
drisw_release_tex_image(__GLXDRIdrawable *base, int buffer)
510
struct glx_context *gc = __glXGetCurrentContext();
511
struct drisw_context *pcp = (struct drisw_context *) gc;
512
struct drisw_drawable *pdraw = (struct drisw_drawable *) base;
513
struct drisw_screen *psc;
516
psc = (struct drisw_screen *) base->psc;
521
if (psc->texBuffer->base.version >= 3 &&
522
psc->texBuffer->releaseTexBuffer != NULL) {
523
(*psc->texBuffer->releaseTexBuffer) (pcp->driContext,
524
pdraw->base.textureTarget,
530
static const struct glx_context_vtable drisw_context_vtable = {
531
.destroy = drisw_destroy_context,
532
.bind = drisw_bind_context,
533
.unbind = drisw_unbind_context,
534
.wait_gl = drisw_wait_gl,
535
.wait_x = drisw_wait_x,
538
static struct glx_context *
539
drisw_create_context_attribs(struct glx_screen *base,
540
struct glx_config *config_base,
541
struct glx_context *shareList,
542
unsigned num_attribs,
543
const uint32_t *attribs,
546
struct drisw_context *pcp, *pcp_shared;
547
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
548
struct drisw_screen *psc = (struct drisw_screen *) base;
549
__DRIcontext *shared = NULL;
551
struct dri_ctx_attribs dca;
552
uint32_t ctx_attribs[2 * 5];
553
unsigned num_ctx_attribs = 0;
555
if (!psc->base.driScreen)
558
if (psc->swrast->base.version < 3)
561
*error = dri_convert_glx_attribs(num_attribs, attribs, &dca);
562
if (*error != __DRI_CTX_ERROR_SUCCESS)
565
/* Check the renderType value */
566
if (!validate_renderType_against_config(config_base, dca.render_type)) {
571
/* We can't share with an indirect context */
572
if (!shareList->isDirect)
575
/* The GLX_ARB_create_context_no_error specs say:
577
* BadMatch is generated if the value of GLX_CONTEXT_OPENGL_NO_ERROR_ARB
578
* used to create <share_context> does not match the value of
579
* GLX_CONTEXT_OPENGL_NO_ERROR_ARB for the context being created.
581
if (!!shareList->noError != !!dca.no_error) {
582
*error = __DRI_CTX_ERROR_BAD_FLAG;
586
pcp_shared = (struct drisw_context *) shareList;
587
shared = pcp_shared->driContext;
590
pcp = calloc(1, sizeof *pcp);
594
if (!glx_context_init(&pcp->base, &psc->base, config_base)) {
599
ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
600
ctx_attribs[num_ctx_attribs++] = dca.major_ver;
601
ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
602
ctx_attribs[num_ctx_attribs++] = dca.minor_ver;
603
if (dca.reset != __DRI_CTX_RESET_NO_NOTIFICATION) {
604
ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
605
ctx_attribs[num_ctx_attribs++] = dca.reset;
608
if (dca.release != __DRI_CTX_RELEASE_BEHAVIOR_FLUSH) {
609
ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
610
ctx_attribs[num_ctx_attribs++] = dca.release;
613
ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_NO_ERROR;
614
ctx_attribs[num_ctx_attribs++] = GL_TRUE;
615
pcp->base.noError = GL_TRUE;
618
if (dca.flags != 0) {
619
ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
620
ctx_attribs[num_ctx_attribs++] = dca.flags;
623
pcp->base.renderType = dca.render_type;
626
(*psc->swrast->createContextAttribs) (psc->driScreen,
628
config ? config->driConfig : NULL,
634
if (pcp->driContext == NULL) {
639
pcp->base.vtable = base->context_vtable;
645
driswDestroyDrawable(__GLXDRIdrawable * pdraw)
647
struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
648
struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
650
(*psc->core->destroyDrawable) (pdp->driDrawable);
652
XDestroyDrawable(pdp, pdraw->psc->dpy, pdraw->drawable);
656
static __GLXDRIdrawable *
657
driswCreateDrawable(struct glx_screen *base, XID xDrawable,
658
GLXDrawable drawable, int type,
659
struct glx_config *modes)
661
struct drisw_drawable *pdp;
662
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes;
663
struct drisw_screen *psc = (struct drisw_screen *) base;
664
const __DRIswrastExtension *swrast = psc->swrast;
665
const __DRIkopperExtension *kopper = psc->kopper;
666
Display *dpy = psc->base.dpy;
668
pdp = calloc(1, sizeof(*pdp));
672
pdp->base.xDrawable = xDrawable;
673
pdp->base.drawable = drawable;
674
pdp->base.psc = &psc->base;
676
pdp->gc = XCreateGC(dpy, xDrawable, 0, NULL);
679
/* Use the visual depth, if this fbconfig corresponds to a visual */
680
if (pdp->config->visualID != 0) {
682
XVisualInfo *visinfo, template;
684
template.visualid = pdp->config->visualID;
685
template.screen = pdp->config->screen;
686
visinfo = XGetVisualInfo(dpy, VisualIDMask | VisualScreenMask,
687
&template, &matches);
689
if (visinfo && matches) {
690
pdp->xDepth = visinfo->depth;
695
/* Otherwise, or if XGetVisualInfo failed, ask the server */
696
if (pdp->xDepth == 0) {
699
unsigned uw, uh, bw, depth;
701
XGetGeometry(dpy, xDrawable, &root, &x, &y, &uw, &uh, &bw, &depth);
705
/* Create a new drawable */
708
(*kopper->createNewDrawable) (psc->driScreen, config->driConfig, pdp, !(type & GLX_WINDOW_BIT));
709
pdp->swapInterval = 1;
713
(*swrast->createNewDrawable) (psc->driScreen, config->driConfig, pdp);
715
if (!pdp->driDrawable) {
716
XDestroyDrawable(pdp, psc->base.dpy, xDrawable);
721
pdp->base.destroyDrawable = driswDestroyDrawable;
727
driswSwapBuffers(__GLXDRIdrawable * pdraw,
728
int64_t target_msc, int64_t divisor, int64_t remainder,
731
struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
732
struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
743
return psc->kopper->swapBuffers (pdp->driDrawable);
745
(*psc->core->swapBuffers) (pdp->driDrawable);
751
driswCopySubBuffer(__GLXDRIdrawable * pdraw,
752
int x, int y, int width, int height, Bool flush)
754
struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
755
struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
761
(*psc->copySubBuffer->copySubBuffer) (pdp->driDrawable,
762
x, y, width, height);
766
driswDestroyScreen(struct glx_screen *base)
768
struct drisw_screen *psc = (struct drisw_screen *) base;
770
/* Free the direct rendering per screen data */
771
(*psc->core->destroyScreen) (psc->driScreen);
772
driDestroyConfigs(psc->driver_configs);
773
psc->driScreen = NULL;
775
dlclose(psc->driver);
780
drisw_get_driver_name(struct glx_screen *glx_screen)
782
struct drisw_screen *psc = (struct drisw_screen *) glx_screen;
783
return strdup(psc->name);
786
static const struct glx_screen_vtable drisw_screen_vtable = {
787
.create_context = dri_common_create_context,
788
.create_context_attribs = drisw_create_context_attribs,
789
.query_renderer_integer = drisw_query_renderer_integer,
790
.query_renderer_string = drisw_query_renderer_string,
791
.get_driver_name = drisw_get_driver_name,
795
driswBindExtensions(struct drisw_screen *psc, const __DRIextension **extensions)
799
__glXEnableDirectExtension(&psc->base, "GLX_SGI_make_current_read");
801
if (psc->swrast->base.version >= 3) {
802
__glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
803
__glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
804
__glXEnableDirectExtension(&psc->base, "GLX_EXT_no_config_context");
806
/* DRISW version >= 2 implies support for OpenGL ES.
808
__glXEnableDirectExtension(&psc->base,
809
"GLX_EXT_create_context_es_profile");
810
__glXEnableDirectExtension(&psc->base,
811
"GLX_EXT_create_context_es2_profile");
814
if (psc->copySubBuffer)
815
__glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer");
817
/* FIXME: Figure out what other extensions can be ported here from dri2. */
818
for (i = 0; extensions[i]; i++) {
819
if ((strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0)) {
820
psc->texBuffer = (__DRItexBufferExtension *) extensions[i];
821
__glXEnableDirectExtension(&psc->base, "GLX_EXT_texture_from_pixmap");
823
/* DRISW version 3 is also required because GLX_MESA_query_renderer
824
* requires GLX_ARB_create_context_profile.
826
if (psc->swrast->base.version >= 3
827
&& strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
828
psc->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
829
__glXEnableDirectExtension(&psc->base, "GLX_MESA_query_renderer");
830
unsigned int no_error = 0;
831
if (psc->rendererQuery->queryInteger(psc->driScreen,
832
__DRI2_RENDERER_HAS_NO_ERROR_CONTEXT,
833
&no_error) == 0 && no_error)
834
__glXEnableDirectExtension(&psc->base,
835
"GLX_ARB_create_context_no_error");
838
if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0)
839
__glXEnableDirectExtension(&psc->base,
840
"GLX_ARB_create_context_robustness");
842
if (strcmp(extensions[i]->name, __DRI2_FLUSH_CONTROL) == 0) {
843
__glXEnableDirectExtension(&psc->base,
844
"GLX_ARB_context_flush_control");
846
if (strcmp(extensions[i]->name, __DRI2_FLUSH) == 0)
847
psc->f = (__DRI2flushExtension *) extensions[i];
851
__glXEnableDirectExtension(&psc->base, "GLX_EXT_swap_control");
852
__glXEnableDirectExtension(&psc->base, "GLX_SGI_swap_control");
853
__glXEnableDirectExtension(&psc->base, "GLX_MESA_swap_control");
854
// This needs to check whether RELAXED is available
855
// __glXEnableDirectExtension(&psc->base, "GLX_EXT_swap_control_tear");
860
check_xshm(Display *dpy)
862
xcb_connection_t *c = XGetXCBConnection(dpy);
863
xcb_void_cookie_t cookie;
864
xcb_generic_error_t *error;
868
if (!XQueryExtension(dpy, "MIT-SHM", &xshm_opcode, &ignore, &ignore))
871
cookie = xcb_shm_detach_checked(c, 0);
872
if ((error = xcb_request_check(c, cookie))) {
873
/* BadRequest means we're a remote client. If we were local we'd
874
* expect BadValue since 'info' has an invalid segment name.
876
if (error->error_code == BadRequest)
885
kopperSetSwapInterval(__GLXDRIdrawable *pdraw, int interval)
887
struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
888
struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
890
psc->kopper->setSwapInterval(pdp->driDrawable, interval);
891
pdp->swapInterval = interval;
897
kopperGetSwapInterval(__GLXDRIdrawable *pdraw)
899
struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
901
return pdp->swapInterval;
904
static struct glx_screen *
905
driswCreateScreenDriver(int screen, struct glx_display *priv,
909
const __DRIconfig **driver_configs;
910
const __DRIextension **extensions;
911
struct drisw_screen *psc;
912
struct glx_config *configs = NULL, *visuals = NULL;
914
const __DRIextension **loader_extensions_local;
915
const struct drisw_display *pdpyp = (struct drisw_display *)priv->driswDisplay;
917
psc = calloc(1, sizeof *psc);
921
if (!glx_screen_init(&psc->base, screen, priv)) {
926
extensions = driOpenDriver(driver, &psc->driver);
927
if (extensions == NULL)
932
loader_extensions_local = kopper_extensions_noshm;
933
else if (!check_xshm(psc->base.dpy))
934
loader_extensions_local = loader_extensions_noshm;
936
loader_extensions_local = loader_extensions_shm;
938
for (i = 0; extensions[i]; i++) {
939
if (strcmp(extensions[i]->name, __DRI_CORE) == 0)
940
psc->core = (__DRIcoreExtension *) extensions[i];
941
if (strcmp(extensions[i]->name, __DRI_SWRAST) == 0)
942
psc->swrast = (__DRIswrastExtension *) extensions[i];
943
if (strcmp(extensions[i]->name, __DRI_KOPPER) == 0)
944
psc->kopper = (__DRIkopperExtension *) extensions[i];
945
if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0)
946
psc->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
949
if (psc->core == NULL || psc->swrast == NULL) {
950
ErrorMessageF("core dri extension not found\n");
954
if (psc->swrast->base.version >= 4) {
956
psc->swrast->createNewScreen2(screen, loader_extensions_local,
958
&driver_configs, psc);
961
psc->swrast->createNewScreen(screen, loader_extensions_local,
962
&driver_configs, psc);
964
if (psc->driScreen == NULL) {
965
ErrorMessageF("glx: failed to create drisw screen\n");
969
extensions = psc->core->getExtensions(psc->driScreen);
970
driswBindExtensions(psc, extensions);
972
configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
973
visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
975
if (!configs || !visuals) {
976
ErrorMessageF("No matching fbConfigs or visuals found\n");
980
glx_config_destroy_list(psc->base.configs);
981
psc->base.configs = configs;
982
glx_config_destroy_list(psc->base.visuals);
983
psc->base.visuals = visuals;
985
psc->driver_configs = driver_configs;
987
psc->base.vtable = &drisw_screen_vtable;
988
psc->base.context_vtable = &drisw_context_vtable;
990
psc->base.driScreen = psp;
991
psp->destroyScreen = driswDestroyScreen;
992
psp->createDrawable = driswCreateDrawable;
993
psp->swapBuffers = driswSwapBuffers;
994
psp->bindTexImage = drisw_bind_tex_image;
995
psp->releaseTexImage = drisw_release_tex_image;
997
if (psc->copySubBuffer)
998
psp->copySubBuffer = driswCopySubBuffer;
1001
psp->setSwapInterval = kopperSetSwapInterval;
1002
psp->getSwapInterval = kopperGetSwapInterval;
1003
psp->maxSwapInterval = 1;
1010
glx_config_destroy_list(configs);
1012
glx_config_destroy_list(visuals);
1014
psc->core->destroyScreen(psc->driScreen);
1015
psc->driScreen = NULL;
1018
dlclose(psc->driver);
1019
glx_screen_cleanup(&psc->base);
1022
CriticalErrorMessageF("failed to load driver: %s\n", driver);
1027
static struct glx_screen *
1028
driswCreateScreen(int screen, struct glx_display *priv)
1030
const struct drisw_display *pdpyp = (struct drisw_display *)priv->driswDisplay;
1031
if (pdpyp->zink && !env_var_as_boolean("LIBGL_KOPPER_DISABLE", false)) {
1032
return driswCreateScreenDriver(screen, priv, "zink");
1035
return driswCreateScreenDriver(screen, priv, "swrast");
1038
/* Called from __glXFreeDisplayPrivate.
1041
driswDestroyDisplay(__GLXDRIdisplay * dpy)
1047
* Allocate, initialize and return a __DRIdisplayPrivate object.
1048
* This is called from __glXInitialize() when we are given a new
1051
_X_HIDDEN __GLXDRIdisplay *
1052
driswCreateDisplay(Display * dpy, bool zink)
1054
struct drisw_display *pdpyp;
1056
pdpyp = malloc(sizeof *pdpyp);
1060
pdpyp->base.destroyDisplay = driswDestroyDisplay;
1061
pdpyp->base.createScreen = driswCreateScreen;
1064
return &pdpyp->base;
1067
#endif /* GLX_DIRECT_RENDERING */