2 * Copyright © 2010 Intel Corporation
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,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
25 * Kristian Høgsberg <krh@bitplanet.net>
39 #include <c11/threads.h>
43 #include "drm-uapi/drm_fourcc.h"
46 #include <GL/internal/dri_interface.h>
47 #include <sys/types.h>
50 #ifdef HAVE_WAYLAND_PLATFORM
51 #include <wayland-client.h>
52 #include "wayland-drm.h"
53 #include "wayland-drm-client-protocol.h"
54 #include "linux-dmabuf-unstable-v1-client-protocol.h"
57 #ifdef HAVE_X11_PLATFORM
58 #include "X11/Xlibint.h"
61 #include "egldefines.h"
63 #include "GL/mesa_glinterop.h"
64 #include "loader/loader.h"
65 #include "util/os_file.h"
66 #include "util/u_atomic.h"
67 #include "util/u_vector.h"
68 #include "mapi/glapi/glapi.h"
69 #include "util/bitscan.h"
70 #include "util/u_math.h"
72 /* Additional definitions not yet in the drm_fourcc.h.
74 #ifndef DRM_FORMAT_P010
75 #define DRM_FORMAT_P010 fourcc_code('P', '0', '1', '0') /* 2x2 subsampled Cb:Cr plane 10 bits per channel */
78 #ifndef DRM_FORMAT_P012
79 #define DRM_FORMAT_P012 fourcc_code('P', '0', '1', '2') /* 2x2 subsampled Cb:Cr plane 12 bits per channel */
82 #ifndef DRM_FORMAT_P016
83 #define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cb:Cr plane 16 bits per channel */
86 #define NUM_ATTRIBS 12
88 static const struct dri2_pbuffer_visual {
89 const char *format_name;
90 unsigned int dri_image_format;
92 unsigned int rgba_sizes[4];
93 } dri2_pbuffer_visuals[] = {
96 __DRI_IMAGE_FORMAT_ABGR16161616F,
102 __DRI_IMAGE_FORMAT_XBGR16161616F,
108 __DRI_IMAGE_FORMAT_ARGB2101010,
114 __DRI_IMAGE_FORMAT_XRGB2101010,
120 __DRI_IMAGE_FORMAT_ARGB8888,
126 __DRI_IMAGE_FORMAT_XRGB8888,
132 __DRI_IMAGE_FORMAT_RGB565,
139 dri_set_background_context(void *loaderPrivate)
141 _EGLContext *ctx = _eglGetCurrentContext();
142 _EGLThreadInfo *t = _eglGetCurrentThread();
144 _eglBindContextToThread(ctx, t);
150 static void (*glFlush)(void);
151 static mtx_t glFlushMutex = _MTX_INITIALIZER_NP;
153 mtx_lock(&glFlushMutex);
155 glFlush = _glapi_get_proc_address("glFlush");
156 mtx_unlock(&glFlushMutex);
158 /* if glFlush is not available things are horribly broken */
160 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
168 dri_is_thread_safe(void *loaderPrivate)
170 struct dri2_egl_surface *dri2_surf = loaderPrivate;
171 UNUSED _EGLDisplay *display = dri2_surf->base.Resource.Display;
173 #ifdef HAVE_X11_PLATFORM
174 Display *xdpy = (Display*)display->PlatformDisplay;
176 /* Check Xlib is running in thread safe mode when running on EGL/X11-xlib
179 * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
180 * It wll be NULL if XInitThreads wasn't called.
182 if (display->Platform == _EGL_PLATFORM_X11 && xdpy && !xdpy->lock_fns)
186 #ifdef HAVE_WAYLAND_PLATFORM
187 if (display->Platform == _EGL_PLATFORM_WAYLAND)
194 const __DRIbackgroundCallableExtension background_callable_extension = {
195 .base = { __DRI_BACKGROUND_CALLABLE, 2 },
197 .setBackgroundContext = dri_set_background_context,
198 .isThreadSafe = dri_is_thread_safe,
201 const __DRIuseInvalidateExtension use_invalidate = {
202 .base = { __DRI_USE_INVALIDATE, 1 }
206 dri2_get_pbuffer_drawable_info(__DRIdrawable * draw,
207 int *x, int *y, int *w, int *h,
210 struct dri2_egl_surface *dri2_surf = loaderPrivate;
213 *w = dri2_surf->base.Width;
214 *h = dri2_surf->base.Height;
218 dri2_get_bytes_per_pixel(struct dri2_egl_surface *dri2_surf)
220 const int depth = dri2_surf->base.Config->BufferSize;
221 return depth ? util_next_power_of_two(depth / 8) : 0;
225 dri2_put_image(__DRIdrawable * draw, int op,
226 int x, int y, int w, int h,
227 char *data, void *loaderPrivate)
229 struct dri2_egl_surface *dri2_surf = loaderPrivate;
230 const int bpp = dri2_get_bytes_per_pixel(dri2_surf);
231 const int width = dri2_surf->base.Width;
232 const int height = dri2_surf->base.Height;
233 const int dst_stride = width*bpp;
234 const int src_stride = w*bpp;
235 const int x_offset = x*bpp;
236 int copy_width = src_stride;
238 if (!dri2_surf->swrast_device_buffer)
239 dri2_surf->swrast_device_buffer = malloc(height*dst_stride);
241 if (dri2_surf->swrast_device_buffer) {
242 const char *src = data;
243 char *dst = dri2_surf->swrast_device_buffer;
248 /* Drivers are allowed to submit OOB PutImage requests, so clip here. */
249 if (copy_width > dst_stride - x_offset)
250 copy_width = dst_stride - x_offset;
255 memcpy(dst, src, copy_width);
263 dri2_get_image(__DRIdrawable * read,
264 int x, int y, int w, int h,
265 char *data, void *loaderPrivate)
267 struct dri2_egl_surface *dri2_surf = loaderPrivate;
268 const int bpp = dri2_get_bytes_per_pixel(dri2_surf);
269 const int width = dri2_surf->base.Width;
270 const int height = dri2_surf->base.Height;
271 const int src_stride = width*bpp;
272 const int dst_stride = w*bpp;
273 const int x_offset = x*bpp;
274 int copy_width = dst_stride;
275 const char *src = dri2_surf->swrast_device_buffer;
279 memset(data, 0, copy_width * h);
286 /* Drivers are allowed to submit OOB GetImage requests, so clip here. */
287 if (copy_width > src_stride - x_offset)
288 copy_width = src_stride - x_offset;
293 memcpy(dst, src, copy_width);
300 /* HACK: technically we should have swrast_null, instead of these.
302 const __DRIswrastLoaderExtension swrast_pbuffer_loader_extension = {
303 .base = { __DRI_SWRAST_LOADER, 1 },
304 .getDrawableInfo = dri2_get_pbuffer_drawable_info,
305 .putImage = dri2_put_image,
306 .getImage = dri2_get_image,
309 static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = {
310 [__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE,
311 [__DRI_ATTRIB_LEVEL] = EGL_LEVEL,
312 [__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE,
313 [__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE,
314 [__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE,
315 [__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS,
316 [__DRI_ATTRIB_SAMPLES] = EGL_SAMPLES,
317 [__DRI_ATTRIB_MAX_PBUFFER_WIDTH] = EGL_MAX_PBUFFER_WIDTH,
318 [__DRI_ATTRIB_MAX_PBUFFER_HEIGHT] = EGL_MAX_PBUFFER_HEIGHT,
319 [__DRI_ATTRIB_MAX_PBUFFER_PIXELS] = EGL_MAX_PBUFFER_PIXELS,
320 [__DRI_ATTRIB_MAX_SWAP_INTERVAL] = EGL_MAX_SWAP_INTERVAL,
321 [__DRI_ATTRIB_MIN_SWAP_INTERVAL] = EGL_MIN_SWAP_INTERVAL,
322 [__DRI_ATTRIB_YINVERTED] = EGL_Y_INVERTED_NOK,
326 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
329 const bool double_buffer = surface_type == EGL_WINDOW_BIT;
330 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
332 return conf->dri_config[double_buffer][srgb];
336 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
338 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
341 if (!_eglMatchConfig(conf, criteria))
348 dri2_get_shifts_and_sizes(const __DRIcoreExtension *core,
349 const __DRIconfig *config, int *shifts,
354 if (core->getConfigAttrib(config, __DRI_ATTRIB_RED_SHIFT, (unsigned int *)&shifts[0])) {
355 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SHIFT, (unsigned int *)&shifts[1]);
356 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SHIFT, (unsigned int *)&shifts[2]);
357 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SHIFT, (unsigned int *)&shifts[3]);
359 /* Driver isn't exposing shifts, so convert masks to shifts */
360 core->getConfigAttrib(config, __DRI_ATTRIB_RED_MASK, &mask);
361 shifts[0] = ffs(mask) - 1;
362 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_MASK, &mask);
363 shifts[1] = ffs(mask) - 1;
364 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_MASK, &mask);
365 shifts[2] = ffs(mask) - 1;
366 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_MASK, &mask);
367 shifts[3] = ffs(mask) - 1;
370 core->getConfigAttrib(config, __DRI_ATTRIB_RED_SIZE, &sizes[0]);
371 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SIZE, &sizes[1]);
372 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SIZE, &sizes[2]);
373 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SIZE, &sizes[3]);
377 dri2_get_render_type_float(const __DRIcoreExtension *core,
378 const __DRIconfig *config,
381 unsigned int render_type;
383 core->getConfigAttrib(config, __DRI_ATTRIB_RENDER_TYPE, &render_type);
384 *is_float = (render_type & __DRI_ATTRIB_FLOAT_BIT) ? true : false;
388 dri2_image_format_for_pbuffer_config(struct dri2_egl_display *dri2_dpy,
389 const __DRIconfig *config)
392 unsigned int sizes[4];
394 dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes);
396 for (unsigned i = 0; i < ARRAY_SIZE(dri2_pbuffer_visuals); ++i) {
397 const struct dri2_pbuffer_visual *visual = &dri2_pbuffer_visuals[i];
399 if (shifts[0] == visual->rgba_shifts[0] &&
400 shifts[1] == visual->rgba_shifts[1] &&
401 shifts[2] == visual->rgba_shifts[2] &&
402 shifts[3] == visual->rgba_shifts[3] &&
403 sizes[0] == visual->rgba_sizes[0] &&
404 sizes[1] == visual->rgba_sizes[1] &&
405 sizes[2] == visual->rgba_sizes[2] &&
406 sizes[3] == visual->rgba_sizes[3]) {
407 return visual->dri_image_format;
411 return __DRI_IMAGE_FORMAT_NONE;
414 struct dri2_egl_config *
415 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
416 EGLint surface_type, const EGLint *attr_list,
417 const int *rgba_shifts, const unsigned int *rgba_sizes)
419 struct dri2_egl_config *conf;
420 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
422 unsigned int attrib, value, double_buffer;
424 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
425 int dri_shifts[4] = { -1, -1, -1, -1 };
426 unsigned int dri_sizes[4] = { 0, 0, 0, 0 };
427 _EGLConfig *matching_config;
428 EGLint num_configs = 0;
431 _eglInitConfig(&base, disp, id);
434 bind_to_texture_rgb = 0;
435 bind_to_texture_rgba = 0;
437 for (int i = 0; i < __DRI_ATTRIB_MAX; ++i) {
438 if (!dri2_dpy->core->indexConfigAttrib(dri_config, i, &attrib, &value))
442 case __DRI_ATTRIB_RENDER_TYPE:
443 if (value & __DRI_ATTRIB_FLOAT_BIT)
444 base.ComponentType = EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT;
445 if (value & __DRI_ATTRIB_RGBA_BIT)
446 value = EGL_RGB_BUFFER;
447 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
448 value = EGL_LUMINANCE_BUFFER;
451 base.ColorBufferType = value;
454 case __DRI_ATTRIB_CONFIG_CAVEAT:
455 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
456 value = EGL_NON_CONFORMANT_CONFIG;
457 else if (value & __DRI_ATTRIB_SLOW_BIT)
458 value = EGL_SLOW_CONFIG;
461 base.ConfigCaveat = value;
464 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
465 bind_to_texture_rgb = value;
468 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
469 bind_to_texture_rgba = value;
472 case __DRI_ATTRIB_DOUBLE_BUFFER:
473 double_buffer = value;
476 case __DRI_ATTRIB_RED_SIZE:
477 dri_sizes[0] = value;
478 base.RedSize = value;
481 case __DRI_ATTRIB_RED_MASK:
482 dri_shifts[0] = ffs(value) - 1;
485 case __DRI_ATTRIB_RED_SHIFT:
486 dri_shifts[0] = value;
489 case __DRI_ATTRIB_GREEN_SIZE:
490 dri_sizes[1] = value;
491 base.GreenSize = value;
494 case __DRI_ATTRIB_GREEN_MASK:
495 dri_shifts[1] = ffs(value) - 1;
498 case __DRI_ATTRIB_GREEN_SHIFT:
499 dri_shifts[1] = value;
502 case __DRI_ATTRIB_BLUE_SIZE:
503 dri_sizes[2] = value;
504 base.BlueSize = value;
507 case __DRI_ATTRIB_BLUE_MASK:
508 dri_shifts[2] = ffs(value) - 1;
511 case __DRI_ATTRIB_BLUE_SHIFT:
512 dri_shifts[2] = value;
515 case __DRI_ATTRIB_ALPHA_SIZE:
516 dri_sizes[3] = value;
517 base.AlphaSize = value;
520 case __DRI_ATTRIB_ALPHA_MASK:
521 dri_shifts[3] = ffs(value) - 1;
524 case __DRI_ATTRIB_ALPHA_SHIFT:
525 dri_shifts[3] = value;
528 case __DRI_ATTRIB_ACCUM_RED_SIZE:
529 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
530 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
531 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
532 /* Don't expose visuals with the accumulation buffer. */
537 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
539 if (!disp->Extensions.KHR_gl_colorspace && srgb)
543 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
544 base.MaxPbufferWidth = _EGL_MAX_PBUFFER_WIDTH;
546 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
547 base.MaxPbufferHeight = _EGL_MAX_PBUFFER_HEIGHT;
549 case __DRI_ATTRIB_MUTABLE_RENDER_BUFFER:
550 if (disp->Extensions.KHR_mutable_render_buffer)
551 surface_type |= EGL_MUTABLE_RENDER_BUFFER_BIT_KHR;
554 key = dri2_to_egl_attribute_map[attrib];
556 _eglSetConfigKey(&base, key, value);
562 for (int i = 0; attr_list[i] != EGL_NONE; i += 2)
563 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
565 if (rgba_shifts && memcmp(rgba_shifts, dri_shifts, sizeof(dri_shifts)))
568 if (rgba_sizes && memcmp(rgba_sizes, dri_sizes, sizeof(dri_sizes)))
571 base.NativeRenderable = EGL_TRUE;
573 base.SurfaceType = surface_type;
574 if (surface_type & (EGL_PBUFFER_BIT |
575 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
576 base.BindToTextureRGB = bind_to_texture_rgb;
577 if (base.AlphaSize > 0)
578 base.BindToTextureRGBA = bind_to_texture_rgba;
582 surface_type &= ~EGL_PIXMAP_BIT;
585 /* No support for pbuffer + MSAA for now.
587 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
588 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
591 surface_type &= ~EGL_PBUFFER_BIT;
597 base.RenderableType = disp->ClientAPIs;
598 base.Conformant = disp->ClientAPIs;
600 base.MinSwapInterval = dri2_dpy->min_swap_interval;
601 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
603 if (!_eglValidateConfig(&base, EGL_FALSE)) {
604 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
608 config_id = base.ConfigID;
609 base.ConfigID = EGL_DONT_CARE;
610 base.SurfaceType = EGL_DONT_CARE;
611 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
612 (_EGLArrayForEach) dri2_match_config, &base);
614 if (num_configs == 1) {
615 conf = (struct dri2_egl_config *) matching_config;
617 if (!conf->dri_config[double_buffer][srgb])
618 conf->dri_config[double_buffer][srgb] = dri_config;
620 /* a similar config type is already added (unlikely) => discard */
623 else if (num_configs == 0) {
624 conf = calloc(1, sizeof *conf);
628 conf->dri_config[double_buffer][srgb] = dri_config;
630 memcpy(&conf->base, &base, sizeof base);
631 conf->base.SurfaceType = 0;
632 conf->base.ConfigID = config_id;
634 _eglLinkConfig(&conf->base);
637 unreachable("duplicates should not be possible");
641 conf->base.SurfaceType |= surface_type;
647 dri2_add_pbuffer_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
649 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
650 unsigned int format_count[ARRAY_SIZE(dri2_pbuffer_visuals)] = { 0 };
651 unsigned int config_count = 0;
653 for (unsigned i = 0; dri2_dpy->driver_configs[i] != NULL; i++) {
654 for (unsigned j = 0; j < ARRAY_SIZE(dri2_pbuffer_visuals); j++) {
655 struct dri2_egl_config *dri2_conf;
657 dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
658 config_count + 1, EGL_PBUFFER_BIT, NULL,
659 dri2_pbuffer_visuals[j].rgba_shifts, dri2_pbuffer_visuals[j].rgba_sizes);
662 if (dri2_conf->base.ConfigID == config_count + 1)
669 for (unsigned i = 0; i < ARRAY_SIZE(format_count); i++) {
670 if (!format_count[i]) {
671 _eglLog(_EGL_DEBUG, "No DRI config supports native format %s",
672 dri2_pbuffer_visuals[i].format_name);
676 return (config_count != 0);
680 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
682 _EGLDisplay *disp = data;
683 struct dri2_egl_image *dri2_img;
688 img = _eglLookupImage(image, disp);
690 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
694 dri2_img = dri2_egl_image(image);
696 return dri2_img->dri_image;
699 const __DRIimageLookupExtension image_lookup_extension = {
700 .base = { __DRI_IMAGE_LOOKUP, 1 },
702 .lookupEGLImage = dri2_lookup_egl_image
705 struct dri2_extension_match {
711 static const struct dri2_extension_match dri3_driver_extensions[] = {
712 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
713 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
717 static const struct dri2_extension_match dri2_driver_extensions[] = {
718 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
719 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
723 static const struct dri2_extension_match dri2_core_extensions[] = {
724 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
725 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
726 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
730 static const struct dri2_extension_match swrast_driver_extensions[] = {
731 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
732 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
736 static const struct dri2_extension_match swrast_core_extensions[] = {
737 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
741 static const struct dri2_extension_match optional_driver_extensions[] = {
742 { __DRI_CONFIG_OPTIONS, 1, offsetof(struct dri2_egl_display, configOptions) },
746 static const struct dri2_extension_match optional_core_extensions[] = {
747 { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
748 { __DRI2_NO_ERROR, 1, offsetof(struct dri2_egl_display, no_error) },
749 { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
750 { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
751 { __DRI2_BUFFER_DAMAGE, 1, offsetof(struct dri2_egl_display, buffer_damage) },
752 { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
753 { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
754 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
755 { __DRI2_FLUSH_CONTROL, 1, offsetof(struct dri2_egl_display, flush_control) },
756 { __DRI2_BLOB, 1, offsetof(struct dri2_egl_display, blob) },
757 { __DRI_MUTABLE_RENDER_BUFFER_DRIVER, 1, offsetof(struct dri2_egl_display, mutable_render_buffer) },
762 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
763 const struct dri2_extension_match *matches,
764 const __DRIextension **extensions,
770 for (int i = 0; extensions[i]; i++) {
771 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
772 for (int j = 0; matches[j].name; j++) {
773 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
774 extensions[i]->version >= matches[j].version) {
775 field = ((char *) dri2_dpy + matches[j].offset);
776 *(const __DRIextension **) field = extensions[i];
777 _eglLog(_EGL_INFO, "found extension %s version %d",
778 extensions[i]->name, extensions[i]->version);
784 for (int j = 0; matches[j].name; j++) {
785 field = ((char *) dri2_dpy + matches[j].offset);
786 if (*(const __DRIextension **) field == NULL) {
788 _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
789 matches[j].name, matches[j].version);
791 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
792 matches[j].name, matches[j].version);
801 static const __DRIextension **
802 dri2_open_driver(_EGLDisplay *disp)
804 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
805 static const char *search_path_vars[] = {
806 "LIBGL_DRIVERS_PATH",
810 return loader_open_driver(dri2_dpy->driver_name,
816 dri2_load_driver_common(_EGLDisplay *disp,
817 const struct dri2_extension_match *driver_extensions)
819 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
820 const __DRIextension **extensions;
822 extensions = dri2_open_driver(disp);
826 if (!dri2_bind_extensions(dri2_dpy, driver_extensions, extensions, false)) {
827 dlclose(dri2_dpy->driver);
828 dri2_dpy->driver = NULL;
831 dri2_dpy->driver_extensions = extensions;
833 dri2_bind_extensions(dri2_dpy, optional_driver_extensions, extensions, true);
839 dri2_load_driver(_EGLDisplay *disp)
841 return dri2_load_driver_common(disp, dri2_driver_extensions);
845 dri2_load_driver_dri3(_EGLDisplay *disp)
847 return dri2_load_driver_common(disp, dri3_driver_extensions);
851 dri2_load_driver_swrast(_EGLDisplay *disp)
853 return dri2_load_driver_common(disp, swrast_driver_extensions);
857 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
859 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
860 unsigned int value = 0;
862 if (!rendererQuery ||
863 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
870 dri2_query_driver_name(_EGLDisplay *disp)
872 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
873 return dri2_dpy->driver_name;
877 dri2_query_driver_config(_EGLDisplay *disp)
879 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
880 const __DRIconfigOptionsExtension *ext = dri2_dpy->configOptions;
882 if (ext->base.version >= 2)
883 return ext->getXml(dri2_dpy->driver_name);
885 return strdup(ext->xml);
890 dri2_setup_screen(_EGLDisplay *disp)
892 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
893 unsigned int api_mask;
896 * EGL 1.5 specification defines the default value to 1. Moreover,
897 * eglSwapInterval() is required to clamp requested value to the supported
898 * range. Since the default value is implicitly assumed to be supported,
899 * use it as both minimum and maximum for the platforms that do not allow
900 * changing the interval. Platforms, which allow it (e.g. x11, wayland)
901 * override these values already.
903 dri2_dpy->min_swap_interval = 1;
904 dri2_dpy->max_swap_interval = 1;
905 dri2_dpy->default_swap_interval = 1;
907 if (dri2_dpy->image_driver) {
908 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
909 } else if (dri2_dpy->dri2) {
910 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
912 assert(dri2_dpy->swrast);
913 api_mask = 1 << __DRI_API_OPENGL |
914 1 << __DRI_API_GLES |
915 1 << __DRI_API_GLES2 |
916 1 << __DRI_API_GLES3;
919 disp->ClientAPIs = 0;
920 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
921 disp->ClientAPIs |= EGL_OPENGL_BIT;
922 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
923 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
924 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
925 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
926 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
927 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
929 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
930 disp->Extensions.KHR_no_config_context = EGL_TRUE;
931 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
933 if (dri2_dpy->configOptions) {
934 disp->Extensions.MESA_query_driver = EGL_TRUE;
937 /* Report back to EGL the bitmask of priorities supported */
938 disp->Extensions.IMG_context_priority =
939 dri2_renderer_query_integer(dri2_dpy,
940 __DRI2_RENDERER_HAS_CONTEXT_PRIORITY);
942 disp->Extensions.EXT_pixel_format_float = EGL_TRUE;
944 if (dri2_renderer_query_integer(dri2_dpy,
945 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
946 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
948 if (dri2_dpy->image_driver ||
949 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
950 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
951 disp->Extensions.KHR_create_context = EGL_TRUE;
953 if (dri2_dpy->robustness)
954 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
957 if (dri2_dpy->no_error)
958 disp->Extensions.KHR_create_context_no_error = EGL_TRUE;
960 if (dri2_dpy->fence) {
961 disp->Extensions.KHR_fence_sync = EGL_TRUE;
962 disp->Extensions.KHR_wait_sync = EGL_TRUE;
963 if (dri2_dpy->fence->get_fence_from_cl_event)
964 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
965 if (dri2_dpy->fence->base.version >= 2 &&
966 dri2_dpy->fence->get_capabilities) {
967 unsigned capabilities =
968 dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
969 disp->Extensions.ANDROID_native_fence_sync =
970 (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
975 disp->Extensions.ANDROID_blob_cache = EGL_TRUE;
977 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
979 if (dri2_dpy->image) {
980 if (dri2_dpy->image->base.version >= 10 &&
981 dri2_dpy->image->getCapabilities != NULL) {
984 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
985 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
987 if (dri2_dpy->image->base.version >= 11)
988 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
990 disp->Extensions.MESA_drm_image = EGL_TRUE;
991 if (dri2_dpy->image->base.version >= 11)
992 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
995 disp->Extensions.KHR_image_base = EGL_TRUE;
996 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
997 if (dri2_dpy->image->base.version >= 5 &&
998 dri2_dpy->image->createImageFromTexture) {
999 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
1000 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
1002 if (dri2_renderer_query_integer(dri2_dpy,
1003 __DRI2_RENDERER_HAS_TEXTURE_3D))
1004 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
1007 if (dri2_dpy->image->base.version >= 8 &&
1008 dri2_dpy->image->createImageFromDmaBufs) {
1009 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
1010 disp->Extensions.EXT_image_dma_buf_import_modifiers = EGL_TRUE;
1015 if (dri2_dpy->flush_control)
1016 disp->Extensions.KHR_context_flush_control = EGL_TRUE;
1018 if (dri2_dpy->buffer_damage && dri2_dpy->buffer_damage->set_damage_region)
1019 disp->Extensions.KHR_partial_update = EGL_TRUE;
1023 dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval)
1025 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1026 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
1028 /* Allow driconf to override applications.*/
1029 if (dri2_dpy->config)
1030 dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
1031 "vblank_mode", &vblank_mode);
1032 switch (vblank_mode) {
1033 case DRI_CONF_VBLANK_NEVER:
1034 dri2_dpy->min_swap_interval = 0;
1035 dri2_dpy->max_swap_interval = 0;
1036 dri2_dpy->default_swap_interval = 0;
1038 case DRI_CONF_VBLANK_ALWAYS_SYNC:
1039 dri2_dpy->min_swap_interval = 1;
1040 dri2_dpy->max_swap_interval = max_swap_interval;
1041 dri2_dpy->default_swap_interval = 1;
1043 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
1044 dri2_dpy->min_swap_interval = 0;
1045 dri2_dpy->max_swap_interval = max_swap_interval;
1046 dri2_dpy->default_swap_interval = 0;
1049 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
1050 dri2_dpy->min_swap_interval = 0;
1051 dri2_dpy->max_swap_interval = max_swap_interval;
1052 dri2_dpy->default_swap_interval = 1;
1057 /* All platforms but DRM call this function to create the screen and populate
1058 * the driver_configs. DRM inherits that information from its display - GBM.
1061 dri2_create_screen(_EGLDisplay *disp)
1063 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1065 if (dri2_dpy->image_driver) {
1066 dri2_dpy->dri_screen =
1067 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
1068 dri2_dpy->loader_extensions,
1069 dri2_dpy->driver_extensions,
1070 &dri2_dpy->driver_configs,
1072 } else if (dri2_dpy->dri2) {
1073 if (dri2_dpy->dri2->base.version >= 4) {
1074 dri2_dpy->dri_screen =
1075 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
1076 dri2_dpy->loader_extensions,
1077 dri2_dpy->driver_extensions,
1078 &dri2_dpy->driver_configs, disp);
1080 dri2_dpy->dri_screen =
1081 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
1082 dri2_dpy->loader_extensions,
1083 &dri2_dpy->driver_configs, disp);
1086 assert(dri2_dpy->swrast);
1087 if (dri2_dpy->swrast->base.version >= 4) {
1088 dri2_dpy->dri_screen =
1089 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
1090 dri2_dpy->driver_extensions,
1091 &dri2_dpy->driver_configs, disp);
1093 dri2_dpy->dri_screen =
1094 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
1095 &dri2_dpy->driver_configs, disp);
1099 if (dri2_dpy->dri_screen == NULL) {
1100 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
1104 dri2_dpy->own_dri_screen = true;
1109 dri2_setup_extensions(_EGLDisplay *disp)
1111 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1112 const struct dri2_extension_match *mandatory_core_extensions;
1113 const __DRIextension **extensions;
1115 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
1117 if (dri2_dpy->image_driver || dri2_dpy->dri2)
1118 mandatory_core_extensions = dri2_core_extensions;
1120 mandatory_core_extensions = swrast_core_extensions;
1122 if (!dri2_bind_extensions(dri2_dpy, mandatory_core_extensions, extensions, false))
1125 #ifdef HAVE_DRI3_MODIFIERS
1126 dri2_dpy->multibuffers_available =
1127 (dri2_dpy->dri3_major_version > 1 || (dri2_dpy->dri3_major_version == 1 &&
1128 dri2_dpy->dri3_minor_version >= 2)) &&
1129 (dri2_dpy->present_major_version > 1 || (dri2_dpy->present_major_version == 1 &&
1130 dri2_dpy->present_minor_version >= 2)) &&
1131 (dri2_dpy->image && dri2_dpy->image->base.version >= 15);
1134 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
1139 * Called via eglInitialize(), GLX_drv->API.Initialize().
1141 * This must be guaranteed to be called exactly once, even if eglInitialize is
1142 * called many times (without a eglTerminate in between).
1145 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
1147 EGLBoolean ret = EGL_FALSE;
1148 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1150 /* In the case where the application calls eglMakeCurrent(context1),
1151 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
1152 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
1153 * initialized, as we need it to be able to free context1 correctly.
1155 * It would probably be safest to forcibly release the display with
1156 * dri2_display_release, to make sure the display is reinitialized correctly.
1157 * However, the EGL spec states that we need to keep a reference to the
1158 * current context (so we cannot call dri2_make_current(NULL)), and therefore
1159 * we would leak context1 as we would be missing the old display connection
1160 * to free it up correctly.
1163 dri2_dpy->ref_count++;
1167 loader_set_logger(_eglLog);
1169 switch (disp->Platform) {
1170 case _EGL_PLATFORM_SURFACELESS:
1171 ret = dri2_initialize_surfaceless(drv, disp);
1173 case _EGL_PLATFORM_DEVICE:
1174 ret = dri2_initialize_device(drv, disp);
1176 case _EGL_PLATFORM_X11:
1177 ret = dri2_initialize_x11(drv, disp);
1179 case _EGL_PLATFORM_DRM:
1180 ret = dri2_initialize_drm(drv, disp);
1182 case _EGL_PLATFORM_WAYLAND:
1183 ret = dri2_initialize_wayland(drv, disp);
1185 case _EGL_PLATFORM_ANDROID:
1186 ret = dri2_initialize_android(drv, disp);
1189 unreachable("Callers ensure we cannot get here.");
1196 dri2_dpy = dri2_egl_display(disp);
1197 dri2_dpy->ref_count++;
1203 * Decrement display reference count, and free up display if necessary.
1206 dri2_display_release(_EGLDisplay *disp)
1208 struct dri2_egl_display *dri2_dpy;
1213 dri2_dpy = dri2_egl_display(disp);
1215 assert(dri2_dpy->ref_count > 0);
1216 dri2_dpy->ref_count--;
1218 if (dri2_dpy->ref_count > 0)
1221 _eglCleanupDisplay(disp);
1222 dri2_display_destroy(disp);
1226 dri2_display_destroy(_EGLDisplay *disp)
1228 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1230 if (dri2_dpy->own_dri_screen) {
1231 if (dri2_dpy->vtbl && dri2_dpy->vtbl->close_screen_notify)
1232 dri2_dpy->vtbl->close_screen_notify(disp);
1233 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
1235 if (dri2_dpy->fd >= 0)
1236 close(dri2_dpy->fd);
1237 if (dri2_dpy->driver)
1238 dlclose(dri2_dpy->driver);
1239 free(dri2_dpy->driver_name);
1241 #ifdef HAVE_WAYLAND_PLATFORM
1242 free(dri2_dpy->device_name);
1245 switch (disp->Platform) {
1246 case _EGL_PLATFORM_X11:
1247 dri2_teardown_x11(dri2_dpy);
1249 case _EGL_PLATFORM_DRM:
1250 dri2_teardown_drm(dri2_dpy);
1252 case _EGL_PLATFORM_WAYLAND:
1253 dri2_teardown_wayland(dri2_dpy);
1256 /* TODO: add teardown for other platforms */
1260 /* The drm platform does not create the screen/driver_configs but reuses
1261 * the ones from the gbm device. As such the gbm itself is responsible
1264 if (disp->Platform != _EGL_PLATFORM_DRM && dri2_dpy->driver_configs) {
1265 for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++)
1266 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
1267 free(dri2_dpy->driver_configs);
1270 disp->DriverData = NULL;
1274 dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
1275 unsigned int att, unsigned int format)
1277 struct dri2_egl_display *dri2_dpy =
1278 dri2_egl_display(dri2_surf->base.Resource.Display);
1280 if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
1283 if (!dri2_surf->local_buffers[att]) {
1284 dri2_surf->local_buffers[att] =
1285 dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
1286 dri2_surf->base.Width, dri2_surf->base.Height);
1289 return dri2_surf->local_buffers[att];
1293 dri2_egl_surface_free_local_buffers(struct dri2_egl_surface *dri2_surf)
1295 struct dri2_egl_display *dri2_dpy =
1296 dri2_egl_display(dri2_surf->base.Resource.Display);
1298 for (int i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
1299 if (dri2_surf->local_buffers[i]) {
1300 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
1301 dri2_surf->local_buffers[i]);
1302 dri2_surf->local_buffers[i] = NULL;
1308 * Called via eglTerminate(), drv->API.Terminate().
1310 * This must be guaranteed to be called exactly once, even if eglTerminate is
1311 * called many times (without a eglInitialize in between).
1314 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
1316 /* Release all non-current Context/Surfaces. */
1317 _eglReleaseDisplayResources(drv, disp);
1319 dri2_display_release(disp);
1325 * Set the error code after a call to
1326 * dri2_egl_display::dri2::createContextAttribs.
1329 dri2_create_context_attribs_error(int dri_error)
1333 switch (dri_error) {
1334 case __DRI_CTX_ERROR_SUCCESS:
1337 case __DRI_CTX_ERROR_NO_MEMORY:
1338 egl_error = EGL_BAD_ALLOC;
1341 /* From the EGL_KHR_create_context spec, section "Errors":
1343 * * If <config> does not support a client API context compatible
1344 * with the requested API major and minor version, [...] context flags,
1345 * and context reset notification behavior (for client API types where
1346 * these attributes are supported), then an EGL_BAD_MATCH error is
1349 * * If an OpenGL ES context is requested and the values for
1350 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
1351 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
1352 * is not defined, than an EGL_BAD_MATCH error is generated.
1354 * * If an OpenGL context is requested, the requested version is
1355 * greater than 3.2, and the value for attribute
1356 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
1357 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
1358 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
1359 * one of these bits set; or if the implementation does not support
1360 * the requested profile, then an EGL_BAD_MATCH error is generated.
1362 case __DRI_CTX_ERROR_BAD_API:
1363 case __DRI_CTX_ERROR_BAD_VERSION:
1364 case __DRI_CTX_ERROR_BAD_FLAG:
1365 egl_error = EGL_BAD_MATCH;
1368 /* From the EGL_KHR_create_context spec, section "Errors":
1370 * * If an attribute name or attribute value in <attrib_list> is not
1371 * recognized (including unrecognized bits in bitmask attributes),
1372 * then an EGL_BAD_ATTRIBUTE error is generated."
1374 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1375 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1376 egl_error = EGL_BAD_ATTRIBUTE;
1380 assert(!"unknown dri_error code");
1381 egl_error = EGL_BAD_MATCH;
1385 _eglError(egl_error, "dri2_create_context");
1389 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1390 struct dri2_egl_display *dri2_dpy,
1391 uint32_t *ctx_attribs,
1392 unsigned *num_attribs)
1396 assert(*num_attribs >= NUM_ATTRIBS);
1398 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1399 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1400 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1401 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1403 if (dri2_ctx->base.Flags != 0 || dri2_ctx->base.NoError) {
1404 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1405 * extension, don't even try to send it the robust-access flag.
1406 * It may explode. Instead, generate the required EGL error here.
1408 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1409 && !dri2_dpy->robustness) {
1410 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1414 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1415 ctx_attribs[pos++] = dri2_ctx->base.Flags |
1416 (dri2_ctx->base.NoError ? __DRI_CTX_FLAG_NO_ERROR : 0);
1419 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1420 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1421 * extension, don't even try to send it a reset strategy. It may
1422 * explode. Instead, generate the required EGL error here.
1424 if (!dri2_dpy->robustness) {
1425 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1429 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1430 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1433 if (dri2_ctx->base.ContextPriority != EGL_CONTEXT_PRIORITY_MEDIUM_IMG) {
1436 switch (dri2_ctx->base.ContextPriority) {
1437 case EGL_CONTEXT_PRIORITY_HIGH_IMG:
1438 val = __DRI_CTX_PRIORITY_HIGH;
1440 case EGL_CONTEXT_PRIORITY_MEDIUM_IMG:
1441 val = __DRI_CTX_PRIORITY_MEDIUM;
1443 case EGL_CONTEXT_PRIORITY_LOW_IMG:
1444 val = __DRI_CTX_PRIORITY_LOW;
1447 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1451 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_PRIORITY;
1452 ctx_attribs[pos++] = val;
1455 if (dri2_ctx->base.ReleaseBehavior == EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR) {
1456 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
1457 ctx_attribs[pos++] = __DRI_CTX_RELEASE_BEHAVIOR_NONE;
1466 * Called via eglCreateContext(), drv->API.CreateContext().
1468 static _EGLContext *
1469 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1470 _EGLContext *share_list, const EGLint *attrib_list)
1472 struct dri2_egl_context *dri2_ctx;
1473 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1474 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1475 __DRIcontext *shared =
1476 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1477 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1478 const __DRIconfig *dri_config;
1481 unsigned num_attribs = NUM_ATTRIBS;
1482 uint32_t ctx_attribs[NUM_ATTRIBS];
1486 dri2_ctx = malloc(sizeof *dri2_ctx);
1488 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1492 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1495 /* The EGL_EXT_create_context_robustness spec says:
1497 * "Add to the eglCreateContext context creation errors: [...]
1499 * * If the reset notification behavior of <share_context> and the
1500 * newly created context are different then an EGL_BAD_MATCH error is
1503 if (share_list && share_list->ResetNotificationStrategy !=
1504 dri2_ctx->base.ResetNotificationStrategy) {
1505 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1509 /* The EGL_KHR_create_context_no_error spec says:
1511 * "BAD_MATCH is generated if the value of EGL_CONTEXT_OPENGL_NO_ERROR_KHR
1512 * used to create <share_context> does not match the value of
1513 * EGL_CONTEXT_OPENGL_NO_ERROR_KHR for the context being created."
1515 if (share_list && share_list->NoError != dri2_ctx->base.NoError) {
1516 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1520 switch (dri2_ctx->base.ClientAPI) {
1521 case EGL_OPENGL_ES_API:
1522 switch (dri2_ctx->base.ClientMajorVersion) {
1524 api = __DRI_API_GLES;
1527 api = __DRI_API_GLES2;
1530 api = __DRI_API_GLES3;
1533 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1538 case EGL_OPENGL_API:
1539 if ((dri2_ctx->base.ClientMajorVersion >= 4
1540 || (dri2_ctx->base.ClientMajorVersion == 3
1541 && dri2_ctx->base.ClientMinorVersion >= 2))
1542 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1543 api = __DRI_API_OPENGL_CORE;
1544 else if (dri2_ctx->base.ClientMajorVersion == 3 &&
1545 dri2_ctx->base.ClientMinorVersion == 1)
1546 api = __DRI_API_OPENGL_CORE;
1548 api = __DRI_API_OPENGL;
1551 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1557 /* The config chosen here isn't necessarily
1558 * used for surfaces later.
1559 * A pixmap surface will use the single config.
1560 * This opportunity depends on disabling the
1561 * doubleBufferMode check in
1562 * src/mesa/main/context.c:check_compatible()
1564 if (dri2_config->dri_config[1][0])
1565 dri_config = dri2_config->dri_config[1][0];
1567 dri_config = dri2_config->dri_config[0][0];
1572 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1576 if (dri2_dpy->image_driver) {
1577 dri2_ctx->dri_context =
1578 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1586 dri2_create_context_attribs_error(error);
1587 } else if (dri2_dpy->dri2) {
1588 if (dri2_dpy->dri2->base.version >= 3) {
1589 dri2_ctx->dri_context =
1590 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1598 dri2_create_context_attribs_error(error);
1600 dri2_ctx->dri_context =
1601 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1608 assert(dri2_dpy->swrast);
1609 if (dri2_dpy->swrast->base.version >= 3) {
1610 dri2_ctx->dri_context =
1611 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1619 dri2_create_context_attribs_error(error);
1621 dri2_ctx->dri_context =
1622 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1630 if (!dri2_ctx->dri_context)
1633 return &dri2_ctx->base;
1641 * Called via eglDestroyContext(), drv->API.DestroyContext().
1644 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1646 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1647 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1649 if (_eglPutContext(ctx)) {
1650 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1658 dri2_init_surface(_EGLSurface *surf, _EGLDisplay *disp, EGLint type,
1659 _EGLConfig *conf, const EGLint *attrib_list,
1660 EGLBoolean enable_out_fence, void *native_surface)
1662 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1663 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1665 dri2_surf->out_fence_fd = -1;
1666 dri2_surf->enable_out_fence = false;
1667 if (dri2_dpy->fence && dri2_dpy->fence->base.version >= 2 &&
1668 dri2_dpy->fence->get_capabilities &&
1669 (dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen) &
1670 __DRI_FENCE_CAP_NATIVE_FD)) {
1671 dri2_surf->enable_out_fence = enable_out_fence;
1674 return _eglInitSurface(surf, disp, type, conf, attrib_list, native_surface);
1678 dri2_surface_set_out_fence_fd( _EGLSurface *surf, int fence_fd)
1680 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1682 if (dri2_surf->out_fence_fd >= 0)
1683 close(dri2_surf->out_fence_fd);
1685 dri2_surf->out_fence_fd = fence_fd;
1689 dri2_fini_surface(_EGLSurface *surf)
1691 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1693 dri2_surface_set_out_fence_fd(surf, -1);
1694 dri2_surf->enable_out_fence = false;
1698 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1700 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1702 if (!_eglPutSurface(surf))
1705 return dri2_dpy->vtbl->destroy_surface(drv, disp, surf);
1709 dri2_surf_update_fence_fd(_EGLContext *ctx,
1710 _EGLDisplay *disp, _EGLSurface *surf)
1712 __DRIcontext *dri_ctx = dri2_egl_context(ctx)->dri_context;
1713 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1714 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1718 if (!dri2_surf->enable_out_fence)
1721 fence = dri2_dpy->fence->create_fence_fd(dri_ctx, -1);
1723 fence_fd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
1725 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, fence);
1727 dri2_surface_set_out_fence_fd(surf, fence_fd);
1731 dri2_create_drawable(struct dri2_egl_display *dri2_dpy,
1732 const __DRIconfig *config,
1733 struct dri2_egl_surface *dri2_surf,
1734 void *loaderPrivate)
1736 __DRIcreateNewDrawableFunc createNewDrawable;
1738 if (dri2_dpy->image_driver)
1739 createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
1740 else if (dri2_dpy->dri2)
1741 createNewDrawable = dri2_dpy->dri2->createNewDrawable;
1742 else if (dri2_dpy->swrast)
1743 createNewDrawable = dri2_dpy->swrast->createNewDrawable;
1745 return _eglError(EGL_BAD_ALLOC, "no createNewDrawable");
1747 dri2_surf->dri_drawable = createNewDrawable(dri2_dpy->dri_screen,
1748 config, loaderPrivate);
1749 if (dri2_surf->dri_drawable == NULL)
1750 return _eglError(EGL_BAD_ALLOC, "createNewDrawable");
1756 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1759 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1760 _EGLSurface *rsurf, _EGLContext *ctx)
1762 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1763 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1764 _EGLDisplay *old_disp = NULL;
1765 struct dri2_egl_display *old_dri2_dpy = NULL;
1766 _EGLContext *old_ctx;
1767 _EGLSurface *old_dsurf, *old_rsurf;
1768 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1769 __DRIdrawable *ddraw, *rdraw;
1774 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1776 /* make new bindings */
1777 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1778 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1783 old_disp = old_ctx->Resource.Display;
1784 old_dri2_dpy = dri2_egl_display(old_disp);
1787 /* flush before context switch */
1791 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1792 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1793 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1796 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1799 dri2_surf_update_fence_fd(old_ctx, disp, old_dsurf);
1801 /* Disable shared buffer mode */
1802 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1803 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1804 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, false);
1807 dri2_dpy->core->unbindContext(old_cctx);
1810 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1812 if (!unbind && !dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1813 /* undo the previous _eglBindContext */
1814 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1815 assert(&dri2_ctx->base == ctx &&
1816 tmp_dsurf == dsurf &&
1817 tmp_rsurf == rsurf);
1819 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1820 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1821 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, true);
1824 _eglPutSurface(dsurf);
1825 _eglPutSurface(rsurf);
1826 _eglPutContext(ctx);
1828 _eglPutSurface(old_dsurf);
1829 _eglPutSurface(old_rsurf);
1830 _eglPutContext(old_ctx);
1832 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1833 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1836 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1839 dri2_destroy_surface(drv, disp, old_dsurf);
1840 dri2_destroy_surface(drv, disp, old_rsurf);
1843 dri2_dpy->ref_count++;
1846 dri2_destroy_context(drv, disp, old_ctx);
1847 dri2_display_release(old_disp);
1850 if (dsurf && _eglSurfaceHasMutableRenderBuffer(dsurf) &&
1851 dri2_dpy->vtbl->set_shared_buffer_mode) {
1852 /* Always update the shared buffer mode. This is obviously needed when
1853 * the active EGL_RENDER_BUFFER is EGL_SINGLE_BUFFER. When
1854 * EGL_RENDER_BUFFER is EGL_BACK_BUFFER, the update protects us in the
1855 * case where external non-EGL API may have changed window's shared
1856 * buffer mode since we last saw it.
1858 bool mode = (dsurf->ActiveRenderBuffer == EGL_SINGLE_BUFFER);
1859 dri2_dpy->vtbl->set_shared_buffer_mode(disp, dsurf, mode);
1866 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1868 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1870 return dri2_surf->dri_drawable;
1874 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1877 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1879 return _glapi_get_proc_address(procname);
1883 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
1884 _EGLConfig *conf, void *native_window,
1885 const EGLint *attrib_list)
1887 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1888 return dri2_dpy->vtbl->create_window_surface(drv, disp, conf, native_window,
1893 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
1894 _EGLConfig *conf, void *native_pixmap,
1895 const EGLint *attrib_list)
1897 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1898 if (!dri2_dpy->vtbl->create_pixmap_surface)
1900 return dri2_dpy->vtbl->create_pixmap_surface(drv, disp, conf, native_pixmap,
1905 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
1906 _EGLConfig *conf, const EGLint *attrib_list)
1908 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1909 if (!dri2_dpy->vtbl->create_pbuffer_surface)
1911 return dri2_dpy->vtbl->create_pbuffer_surface(drv, disp, conf, attrib_list);
1915 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1918 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1919 if (!dri2_dpy->vtbl->swap_interval)
1921 return dri2_dpy->vtbl->swap_interval(drv, disp, surf, interval);
1925 * Asks the client API to flush any rendering to the drawable so that we can
1926 * do our swapbuffers.
1929 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1931 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1932 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1934 if (dri2_dpy->flush) {
1935 if (dri2_dpy->flush->base.version >= 4) {
1936 /* We know there's a current context because:
1938 * "If surface is not bound to the calling thread’s current
1939 * context, an EGL_BAD_SURFACE error is generated."
1941 _EGLContext *ctx = _eglGetCurrentContext();
1942 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1944 /* From the EGL 1.4 spec (page 52):
1946 * "The contents of ancillary buffers are always undefined
1947 * after calling eglSwapBuffers."
1949 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1951 __DRI2_FLUSH_DRAWABLE |
1952 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1953 __DRI2_THROTTLE_SWAPBUFFER);
1955 dri2_dpy->flush->flush(dri_drawable);
1961 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1963 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1964 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1965 _EGLContext *ctx = _eglGetCurrentContext();
1969 dri2_surf_update_fence_fd(ctx, disp, surf);
1970 ret = dri2_dpy->vtbl->swap_buffers(drv, disp, surf);
1972 /* SwapBuffers marks the end of the frame; reset the damage region for
1973 * use again next time.
1975 if (ret && dri2_dpy->buffer_damage &&
1976 dri2_dpy->buffer_damage->set_damage_region)
1977 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
1983 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *disp,
1985 const EGLint *rects, EGLint n_rects)
1987 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1988 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1989 _EGLContext *ctx = _eglGetCurrentContext();
1993 dri2_surf_update_fence_fd(ctx, disp, surf);
1994 if (dri2_dpy->vtbl->swap_buffers_with_damage)
1995 ret = dri2_dpy->vtbl->swap_buffers_with_damage(drv, disp, surf,
1998 ret = dri2_dpy->vtbl->swap_buffers(drv, disp, surf);
2000 /* SwapBuffers marks the end of the frame; reset the damage region for
2001 * use again next time.
2003 if (ret && dri2_dpy->buffer_damage &&
2004 dri2_dpy->buffer_damage->set_damage_region)
2005 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
2011 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2012 EGLint numRects, const EGLint *rects)
2014 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2015 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2018 if (!dri2_dpy->vtbl->swap_buffers_region)
2020 ret = dri2_dpy->vtbl->swap_buffers_region(drv, disp, surf, numRects, rects);
2022 /* SwapBuffers marks the end of the frame; reset the damage region for
2023 * use again next time.
2025 if (ret && dri2_dpy->buffer_damage &&
2026 dri2_dpy->buffer_damage->set_damage_region)
2027 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
2033 dri2_set_damage_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2034 EGLint *rects, EGLint n_rects)
2036 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2037 __DRIdrawable *drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2039 if (!dri2_dpy->buffer_damage || !dri2_dpy->buffer_damage->set_damage_region)
2042 dri2_dpy->buffer_damage->set_damage_region(drawable, n_rects, rects);
2047 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2048 EGLint x, EGLint y, EGLint width, EGLint height)
2050 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2051 if (!dri2_dpy->vtbl->post_sub_buffer)
2053 return dri2_dpy->vtbl->post_sub_buffer(drv, disp, surf, x, y, width, height);
2057 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2058 void *native_pixmap_target)
2060 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2061 if (!dri2_dpy->vtbl->copy_buffers)
2062 return _eglError(EGL_BAD_NATIVE_PIXMAP, "no support for native pixmaps");
2063 return dri2_dpy->vtbl->copy_buffers(drv, disp, surf, native_pixmap_target);
2067 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
2069 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2070 if (!dri2_dpy->vtbl->query_buffer_age)
2072 return dri2_dpy->vtbl->query_buffer_age(drv, disp, surf);
2076 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
2078 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2079 _EGLSurface *surf = ctx->DrawSurface;
2080 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2084 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
2085 * we need to copy fake to real here.*/
2087 if (dri2_dpy->flush != NULL)
2088 dri2_dpy->flush->flush(dri_drawable);
2094 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
2099 if (engine != EGL_CORE_NATIVE_ENGINE)
2100 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
2107 dri2_bind_tex_image(_EGLDriver *drv,
2108 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
2110 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2111 struct dri2_egl_context *dri2_ctx;
2113 GLint format, target;
2114 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2116 ctx = _eglGetCurrentContext();
2117 dri2_ctx = dri2_egl_context(ctx);
2119 if (!_eglBindTexImage(drv, disp, surf, buffer))
2122 switch (surf->TextureFormat) {
2123 case EGL_TEXTURE_RGB:
2124 format = __DRI_TEXTURE_FORMAT_RGB;
2126 case EGL_TEXTURE_RGBA:
2127 format = __DRI_TEXTURE_FORMAT_RGBA;
2130 assert(!"Unexpected texture format in dri2_bind_tex_image()");
2131 format = __DRI_TEXTURE_FORMAT_RGBA;
2134 switch (surf->TextureTarget) {
2135 case EGL_TEXTURE_2D:
2136 target = GL_TEXTURE_2D;
2139 target = GL_TEXTURE_2D;
2140 assert(!"Unexpected texture target in dri2_bind_tex_image()");
2143 dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
2151 dri2_release_tex_image(_EGLDriver *drv,
2152 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
2154 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2155 struct dri2_egl_context *dri2_ctx;
2158 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2160 ctx = _eglGetCurrentContext();
2161 dri2_ctx = dri2_egl_context(ctx);
2163 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
2166 switch (surf->TextureTarget) {
2167 case EGL_TEXTURE_2D:
2168 target = GL_TEXTURE_2D;
2171 assert(!"missing texture target");
2174 if (dri2_dpy->tex_buffer->base.version >= 3 &&
2175 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
2176 dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
2177 target, dri_drawable);
2184 dri2_create_image(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx,
2185 EGLenum target, EGLClientBuffer buffer,
2186 const EGLint *attr_list)
2188 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2189 return dri2_dpy->vtbl->create_image(drv, disp, ctx, target, buffer,
2194 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
2196 struct dri2_egl_image *dri2_img;
2198 if (dri_image == NULL) {
2199 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
2203 dri2_img = malloc(sizeof *dri2_img);
2205 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
2209 _eglInitImage(&dri2_img->base, disp);
2211 dri2_img->dri_image = dri_image;
2213 return &dri2_img->base;
2217 * Translate a DRI Image extension error code into an EGL error code.
2220 egl_error_from_dri_image_error(int dri_error)
2222 switch (dri_error) {
2223 case __DRI_IMAGE_ERROR_SUCCESS:
2225 case __DRI_IMAGE_ERROR_BAD_ALLOC:
2226 return EGL_BAD_ALLOC;
2227 case __DRI_IMAGE_ERROR_BAD_MATCH:
2228 return EGL_BAD_MATCH;
2229 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
2230 return EGL_BAD_PARAMETER;
2231 case __DRI_IMAGE_ERROR_BAD_ACCESS:
2232 return EGL_BAD_ACCESS;
2234 assert(!"unknown dri_error code");
2235 return EGL_BAD_ALLOC;
2240 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
2241 EGLClientBuffer buffer,
2242 const EGLint *attr_list)
2244 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2245 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2246 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
2247 __DRIimage *dri_image;
2249 if (renderbuffer == 0) {
2250 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2251 return EGL_NO_IMAGE_KHR;
2254 if (!disp->Extensions.KHR_gl_renderbuffer_image) {
2255 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2256 return EGL_NO_IMAGE_KHR;
2259 if (dri2_dpy->image->base.version >= 17 &&
2260 dri2_dpy->image->createImageFromRenderbuffer2) {
2261 unsigned error = ~0;
2263 dri_image = dri2_dpy->image->createImageFromRenderbuffer2(
2264 dri2_ctx->dri_context, renderbuffer, NULL, &error);
2266 assert(!!dri_image == (error == __DRI_IMAGE_ERROR_SUCCESS));
2269 _eglError(egl_error_from_dri_image_error(error), "dri2_create_image_khr");
2270 return EGL_NO_IMAGE_KHR;
2273 dri_image = dri2_dpy->image->createImageFromRenderbuffer(
2274 dri2_ctx->dri_context, renderbuffer, NULL);
2276 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2277 return EGL_NO_IMAGE_KHR;
2281 return dri2_create_image_from_dri(disp, dri_image);
2284 #ifdef HAVE_WAYLAND_PLATFORM
2286 /* This structure describes how a wl_buffer maps to one or more
2287 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
2288 * offsets and strides of the planes in the buffer. This table maps a
2289 * wl_drm format code to a description of the planes in the buffer
2290 * that lets us create a __DRIimage for each of the planes. */
2292 static const struct wl_drm_components_descriptor {
2293 uint32_t dri_components;
2296 } wl_drm_components[] = {
2297 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
2298 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
2299 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
2300 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
2301 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
2305 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
2306 EGLClientBuffer _buffer,
2307 const EGLint *attr_list)
2309 struct wl_drm_buffer *buffer;
2310 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2311 const struct wl_drm_components_descriptor *f;
2312 __DRIimage *dri_image;
2313 _EGLImageAttribs attrs;
2316 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
2317 (struct wl_resource *) _buffer);
2321 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2324 plane = attrs.PlaneWL;
2325 f = buffer->driver_format;
2326 if (plane < 0 || plane >= f->nplanes) {
2327 _eglError(EGL_BAD_PARAMETER,
2328 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
2332 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
2333 if (dri_image == NULL && plane == 0)
2334 dri_image = dri2_dpy->image->dupImage(buffer->driver_buffer, NULL);
2335 if (dri_image == NULL) {
2336 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
2340 return dri2_create_image_from_dri(disp, dri_image);
2345 dri2_get_sync_values_chromium(_EGLDisplay *disp, _EGLSurface *surf,
2346 EGLuint64KHR *ust, EGLuint64KHR *msc,
2349 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2350 return dri2_dpy->vtbl->get_sync_values(disp, surf, ust, msc, sbc);
2354 * Set the error code after a call to
2355 * dri2_egl_image::dri_image::createImageFromTexture.
2358 dri2_create_image_khr_texture_error(int dri_error)
2360 EGLint egl_error = egl_error_from_dri_image_error(dri_error);
2362 if (egl_error != EGL_SUCCESS)
2363 _eglError(egl_error, "dri2_create_image_khr_texture");
2367 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
2369 EGLClientBuffer buffer,
2370 const EGLint *attr_list)
2372 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2373 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2374 struct dri2_egl_image *dri2_img;
2375 GLuint texture = (GLuint) (uintptr_t) buffer;
2376 _EGLImageAttribs attrs;
2382 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2383 return EGL_NO_IMAGE_KHR;
2386 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2387 return EGL_NO_IMAGE_KHR;
2390 case EGL_GL_TEXTURE_2D_KHR:
2391 if (!disp->Extensions.KHR_gl_texture_2D_image) {
2392 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2393 return EGL_NO_IMAGE_KHR;
2396 gl_target = GL_TEXTURE_2D;
2398 case EGL_GL_TEXTURE_3D_KHR:
2399 if (!disp->Extensions.KHR_gl_texture_3D_image) {
2400 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2401 return EGL_NO_IMAGE_KHR;
2404 depth = attrs.GLTextureZOffset;
2405 gl_target = GL_TEXTURE_3D;
2407 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2408 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2409 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2410 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2411 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2412 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2413 if (!disp->Extensions.KHR_gl_texture_cubemap_image) {
2414 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2415 return EGL_NO_IMAGE_KHR;
2418 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
2419 gl_target = GL_TEXTURE_CUBE_MAP;
2422 unreachable("Unexpected target in dri2_create_image_khr_texture()");
2423 return EGL_NO_IMAGE_KHR;
2426 dri2_img = malloc(sizeof *dri2_img);
2428 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2429 return EGL_NO_IMAGE_KHR;
2432 _eglInitImage(&dri2_img->base, disp);
2434 dri2_img->dri_image =
2435 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
2439 attrs.GLTextureLevel,
2442 dri2_create_image_khr_texture_error(error);
2444 if (!dri2_img->dri_image) {
2446 return EGL_NO_IMAGE_KHR;
2448 return &dri2_img->base;
2452 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2453 EGLint attribute, EGLint *value)
2455 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2456 if (!dri2_dpy->vtbl->query_surface)
2457 return _eglQuerySurface(drv, disp, surf, attribute, value);
2458 return dri2_dpy->vtbl->query_surface(drv, disp, surf, attribute, value);
2461 static struct wl_buffer*
2462 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *disp,
2465 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2466 if (!dri2_dpy->vtbl->create_wayland_buffer_from_image)
2468 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, disp, img);
2473 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
2474 EGLClientBuffer buffer, const EGLint *attr_list)
2476 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2477 EGLint format, name, pitch;
2478 _EGLImageAttribs attrs;
2479 __DRIimage *dri_image;
2481 name = (EGLint) (uintptr_t) buffer;
2483 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2486 if (attrs.Width <= 0 || attrs.Height <= 0 ||
2487 attrs.DRMBufferStrideMESA <= 0) {
2488 _eglError(EGL_BAD_PARAMETER,
2489 "bad width, height or stride");
2493 switch (attrs.DRMBufferFormatMESA) {
2494 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2495 format = __DRI_IMAGE_FORMAT_ARGB8888;
2496 pitch = attrs.DRMBufferStrideMESA;
2499 _eglError(EGL_BAD_PARAMETER,
2500 "dri2_create_image_khr: unsupported pixmap depth");
2505 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
2513 return dri2_create_image_from_dri(disp, dri_image);
2517 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
2522 * "Required attributes and their values are as follows:
2524 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
2526 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
2527 * by drm_fourcc.h and used as the pixel_format parameter of the
2528 * drm_mode_fb_cmd2 ioctl."
2532 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2533 * incomplete, EGL_BAD_PARAMETER is generated."
2535 if (attrs->Width <= 0 || attrs->Height <= 0 ||
2536 !attrs->DMABufFourCC.IsPresent)
2537 return _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
2542 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
2543 * specified for a plane's pitch or offset isn't supported by EGL,
2544 * EGL_BAD_ACCESS is generated."
2546 for (unsigned i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
2547 if (attrs->DMABufPlanePitches[i].IsPresent &&
2548 attrs->DMABufPlanePitches[i].Value <= 0)
2549 return _eglError(EGL_BAD_ACCESS, "invalid pitch");
2553 * If <target> is EGL_LINUX_DMA_BUF_EXT, both or neither of the following
2554 * attribute values may be given.
2556 * This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and
2557 * EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes.
2559 for (unsigned i = 0; i < DMA_BUF_MAX_PLANES; ++i) {
2560 if (attrs->DMABufPlaneModifiersLo[i].IsPresent !=
2561 attrs->DMABufPlaneModifiersHi[i].IsPresent)
2562 return _eglError(EGL_BAD_PARAMETER, "modifier attribute lo or hi missing");
2565 /* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't
2566 * mandate it, we only accept the same modifier across all planes. */
2567 for (unsigned i = 1; i < DMA_BUF_MAX_PLANES; ++i) {
2568 if (attrs->DMABufPlaneFds[i].IsPresent) {
2569 if ((attrs->DMABufPlaneModifiersLo[0].IsPresent !=
2570 attrs->DMABufPlaneModifiersLo[i].IsPresent) ||
2571 (attrs->DMABufPlaneModifiersLo[0].Value !=
2572 attrs->DMABufPlaneModifiersLo[i].Value) ||
2573 (attrs->DMABufPlaneModifiersHi[0].Value !=
2574 attrs->DMABufPlaneModifiersHi[i].Value))
2575 return _eglError(EGL_BAD_PARAMETER, "modifier attributes not equal");
2582 /* Returns the total number of planes for the format or zero if it isn't a
2583 * valid fourcc format.
2586 dri2_num_fourcc_format_planes(EGLint format)
2590 case DRM_FORMAT_RG88:
2591 case DRM_FORMAT_GR88:
2592 case DRM_FORMAT_R16:
2593 case DRM_FORMAT_GR1616:
2594 case DRM_FORMAT_RGB332:
2595 case DRM_FORMAT_BGR233:
2596 case DRM_FORMAT_XRGB4444:
2597 case DRM_FORMAT_XBGR4444:
2598 case DRM_FORMAT_RGBX4444:
2599 case DRM_FORMAT_BGRX4444:
2600 case DRM_FORMAT_ARGB4444:
2601 case DRM_FORMAT_ABGR4444:
2602 case DRM_FORMAT_RGBA4444:
2603 case DRM_FORMAT_BGRA4444:
2604 case DRM_FORMAT_XRGB1555:
2605 case DRM_FORMAT_XBGR1555:
2606 case DRM_FORMAT_RGBX5551:
2607 case DRM_FORMAT_BGRX5551:
2608 case DRM_FORMAT_ARGB1555:
2609 case DRM_FORMAT_ABGR1555:
2610 case DRM_FORMAT_RGBA5551:
2611 case DRM_FORMAT_BGRA5551:
2612 case DRM_FORMAT_RGB565:
2613 case DRM_FORMAT_BGR565:
2614 case DRM_FORMAT_RGB888:
2615 case DRM_FORMAT_BGR888:
2616 case DRM_FORMAT_XRGB8888:
2617 case DRM_FORMAT_XBGR8888:
2618 case DRM_FORMAT_RGBX8888:
2619 case DRM_FORMAT_BGRX8888:
2620 case DRM_FORMAT_ARGB8888:
2621 case DRM_FORMAT_ABGR8888:
2622 case DRM_FORMAT_RGBA8888:
2623 case DRM_FORMAT_BGRA8888:
2624 case DRM_FORMAT_XRGB2101010:
2625 case DRM_FORMAT_XBGR2101010:
2626 case DRM_FORMAT_RGBX1010102:
2627 case DRM_FORMAT_BGRX1010102:
2628 case DRM_FORMAT_ARGB2101010:
2629 case DRM_FORMAT_ABGR2101010:
2630 case DRM_FORMAT_RGBA1010102:
2631 case DRM_FORMAT_BGRA1010102:
2632 case DRM_FORMAT_XBGR16161616F:
2633 case DRM_FORMAT_ABGR16161616F:
2634 case DRM_FORMAT_YUYV:
2635 case DRM_FORMAT_YVYU:
2636 case DRM_FORMAT_UYVY:
2637 case DRM_FORMAT_VYUY:
2638 case DRM_FORMAT_AYUV:
2639 case DRM_FORMAT_XYUV8888:
2642 case DRM_FORMAT_NV12:
2643 case DRM_FORMAT_NV21:
2644 case DRM_FORMAT_NV16:
2645 case DRM_FORMAT_NV61:
2646 case DRM_FORMAT_P010:
2647 case DRM_FORMAT_P012:
2648 case DRM_FORMAT_P016:
2651 case DRM_FORMAT_YUV410:
2652 case DRM_FORMAT_YVU410:
2653 case DRM_FORMAT_YUV411:
2654 case DRM_FORMAT_YVU411:
2655 case DRM_FORMAT_YUV420:
2656 case DRM_FORMAT_YVU420:
2657 case DRM_FORMAT_YUV422:
2658 case DRM_FORMAT_YVU422:
2659 case DRM_FORMAT_YUV444:
2660 case DRM_FORMAT_YVU444:
2668 /* Returns the total number of file descriptors. Zero indicates an error. */
2670 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
2672 unsigned plane_n = dri2_num_fourcc_format_planes(attrs->DMABufFourCC.Value);
2674 _eglError(EGL_BAD_MATCH, "unknown drm fourcc format");
2678 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; i++) {
2680 * The modifiers extension spec says:
2682 * "Modifiers may modify any attribute of a buffer import, including
2683 * but not limited to adding extra planes to a format which
2684 * otherwise does not have those planes. As an example, a modifier
2685 * may add a plane for an external compression buffer to a
2686 * single-plane format. The exact meaning and effect of any
2687 * modifier is canonically defined by drm_fourcc.h, not as part of
2690 if (attrs->DMABufPlaneModifiersLo[i].IsPresent &&
2691 attrs->DMABufPlaneModifiersHi[i].IsPresent) {
2699 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2700 * incomplete, EGL_BAD_PARAMETER is generated."
2702 for (unsigned i = 0; i < plane_n; ++i) {
2703 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2704 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2705 !attrs->DMABufPlanePitches[i].IsPresent) {
2706 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2712 * The spec also says:
2714 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2715 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2716 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2717 * or EGL_DMA_BUF_PLANE3_* attributes are specified."
2719 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; ++i) {
2720 if (attrs->DMABufPlaneFds[i].IsPresent ||
2721 attrs->DMABufPlaneOffsets[i].IsPresent ||
2722 attrs->DMABufPlanePitches[i].IsPresent) {
2723 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2732 dri2_query_dma_buf_formats(_EGLDriver *drv, _EGLDisplay *disp,
2733 EGLint max, EGLint *formats, EGLint *count)
2735 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2736 if (max < 0 || (max > 0 && formats == NULL))
2737 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2739 if (dri2_dpy->image->base.version < 15 ||
2740 dri2_dpy->image->queryDmaBufFormats == NULL)
2743 if (!dri2_dpy->image->queryDmaBufFormats(dri2_dpy->dri_screen, max,
2748 /* Assert that all of the formats returned are actually fourcc formats.
2749 * Some day, if we want the internal interface function to be able to
2750 * return the fake fourcc formats defined in dri_interface.h, we'll have
2751 * to do something more clever here to pair the list down to just real
2752 * fourcc formats so that we don't leak the fake internal ones.
2754 for (int i = 0; i < *count; i++) {
2755 assert(dri2_num_fourcc_format_planes(formats[i]) > 0);
2763 dri2_query_dma_buf_modifiers(_EGLDriver *drv, _EGLDisplay *disp, EGLint format,
2764 EGLint max, EGLuint64KHR *modifiers,
2765 EGLBoolean *external_only, EGLint *count)
2767 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2769 if (dri2_num_fourcc_format_planes(format) == 0)
2770 return _eglError(EGL_BAD_PARAMETER, "invalid fourcc format");
2773 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2775 if (max > 0 && modifiers == NULL)
2776 return _eglError(EGL_BAD_PARAMETER, "invalid modifiers array");
2778 if (dri2_dpy->image->base.version < 15 ||
2779 dri2_dpy->image->queryDmaBufModifiers == NULL)
2782 if (dri2_dpy->image->queryDmaBufModifiers(dri2_dpy->dri_screen, format,
2784 (unsigned int *) external_only,
2786 return _eglError(EGL_BAD_PARAMETER, "invalid format");
2794 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2795 * EGL will take a reference to the dma_buf(s) which it will release at any
2796 * time while the EGLDisplay is initialized. It is the responsibility of the
2797 * application to close the dma_buf file descriptors."
2799 * Therefore we must never close or otherwise modify the file descriptors.
2802 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2803 EGLClientBuffer buffer, const EGLint *attr_list)
2805 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2807 _EGLImageAttribs attrs;
2808 __DRIimage *dri_image;
2810 int fds[DMA_BUF_MAX_PLANES];
2811 int pitches[DMA_BUF_MAX_PLANES];
2812 int offsets[DMA_BUF_MAX_PLANES];
2814 bool has_modifier = false;
2820 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2821 * error EGL_BAD_PARAMETER is generated."
2823 if (buffer != NULL) {
2824 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2828 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2831 if (!dri2_check_dma_buf_attribs(&attrs))
2834 num_fds = dri2_check_dma_buf_format(&attrs);
2838 for (unsigned i = 0; i < num_fds; ++i) {
2839 fds[i] = attrs.DMABufPlaneFds[i].Value;
2840 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2841 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2844 /* dri2_check_dma_buf_attribs ensures that the modifier, if available,
2845 * will be present in attrs.DMABufPlaneModifiersLo[0] and
2846 * attrs.DMABufPlaneModifiersHi[0] */
2847 if (attrs.DMABufPlaneModifiersLo[0].IsPresent) {
2848 modifier = combine_u32_into_u64(attrs.DMABufPlaneModifiersHi[0].Value,
2849 attrs.DMABufPlaneModifiersLo[0].Value);
2850 has_modifier = true;
2854 if (dri2_dpy->image->base.version < 15 ||
2855 dri2_dpy->image->createImageFromDmaBufs2 == NULL) {
2856 _eglError(EGL_BAD_MATCH, "unsupported dma_buf format modifier");
2857 return EGL_NO_IMAGE_KHR;
2860 dri2_dpy->image->createImageFromDmaBufs2(dri2_dpy->dri_screen,
2861 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2862 modifier, fds, num_fds, pitches, offsets,
2863 attrs.DMABufYuvColorSpaceHint.Value,
2864 attrs.DMABufSampleRangeHint.Value,
2865 attrs.DMABufChromaHorizontalSiting.Value,
2866 attrs.DMABufChromaVerticalSiting.Value,
2872 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2873 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2874 fds, num_fds, pitches, offsets,
2875 attrs.DMABufYuvColorSpaceHint.Value,
2876 attrs.DMABufSampleRangeHint.Value,
2877 attrs.DMABufChromaHorizontalSiting.Value,
2878 attrs.DMABufChromaVerticalSiting.Value,
2882 dri2_create_image_khr_texture_error(error);
2885 return EGL_NO_IMAGE_KHR;
2887 res = dri2_create_image_from_dri(disp, dri_image);
2892 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2893 const EGLint *attr_list)
2895 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2896 struct dri2_egl_image *dri2_img;
2897 _EGLImageAttribs attrs;
2898 unsigned int dri_use, valid_mask;
2904 _eglError(EGL_BAD_PARAMETER, __func__);
2905 return EGL_NO_IMAGE_KHR;
2908 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2909 return EGL_NO_IMAGE_KHR;
2911 if (attrs.Width <= 0 || attrs.Height <= 0) {
2912 _eglError(EGL_BAD_PARAMETER, __func__);
2913 return EGL_NO_IMAGE_KHR;
2916 switch (attrs.DRMBufferFormatMESA) {
2917 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2918 format = __DRI_IMAGE_FORMAT_ARGB8888;
2921 _eglError(EGL_BAD_PARAMETER, __func__);
2922 return EGL_NO_IMAGE_KHR;
2926 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2927 EGL_DRM_BUFFER_USE_SHARE_MESA |
2928 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2929 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2930 _eglError(EGL_BAD_PARAMETER, __func__);
2931 return EGL_NO_IMAGE_KHR;
2935 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2936 dri_use |= __DRI_IMAGE_USE_SHARE;
2937 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2938 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2939 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2940 dri_use |= __DRI_IMAGE_USE_CURSOR;
2942 dri2_img = malloc(sizeof *dri2_img);
2944 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2945 return EGL_NO_IMAGE_KHR;
2948 _eglInitImage(&dri2_img->base, disp);
2950 dri2_img->dri_image =
2951 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2952 attrs.Width, attrs.Height,
2953 format, dri_use, dri2_img);
2954 if (dri2_img->dri_image == NULL) {
2956 _eglError(EGL_BAD_ALLOC, "dri2_create_drm_image_mesa");
2957 return EGL_NO_IMAGE_KHR;
2960 return &dri2_img->base;
2964 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2965 EGLint *name, EGLint *handle, EGLint *stride)
2967 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2968 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2972 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2973 __DRI_IMAGE_ATTRIB_NAME, name))
2974 return _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2977 dri2_dpy->image->queryImage(dri2_img->dri_image,
2978 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2981 dri2_dpy->image->queryImage(dri2_img->dri_image,
2982 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2988 * Checks if we can support EGL_MESA_image_dma_buf_export on this image.
2990 * The spec provides a boolean return for the driver to reject exporting for
2991 * basically any reason, but doesn't specify any particular error cases. For
2992 * now, we just fail if we don't have a DRM fourcc for the format.
2995 dri2_can_export_dma_buf_image(_EGLDisplay *disp, _EGLImage *img)
2997 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2998 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3001 if (!dri2_dpy->image->queryImage(dri2_img->dri_image,
3002 __DRI_IMAGE_ATTRIB_FOURCC, &fourcc)) {
3010 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
3012 EGLint *fourcc, EGLint *nplanes,
3013 EGLuint64KHR *modifiers)
3015 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3016 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3021 if (!dri2_can_export_dma_buf_image(disp, img))
3024 dri2_dpy->image->queryImage(dri2_img->dri_image,
3025 __DRI_IMAGE_ATTRIB_NUM_PLANES, &num_planes);
3027 *nplanes = num_planes;
3030 dri2_dpy->image->queryImage(dri2_img->dri_image,
3031 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
3035 uint64_t modifier = DRM_FORMAT_MOD_INVALID;
3038 query = dri2_dpy->image->queryImage(dri2_img->dri_image,
3039 __DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
3041 query &= dri2_dpy->image->queryImage(dri2_img->dri_image,
3042 __DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
3045 modifier = combine_u32_into_u64 (mod_hi, mod_lo);
3047 for (int i = 0; i < num_planes; i++)
3048 modifiers[i] = modifier;
3055 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
3056 int *fds, EGLint *strides, EGLint *offsets)
3058 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3059 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3064 if (!dri2_can_export_dma_buf_image(disp, img))
3067 /* EGL_MESA_image_dma_buf_export spec says:
3068 * "If the number of fds is less than the number of planes, then
3069 * subsequent fd slots should contain -1."
3072 /* Query nplanes so that we know how big the given array is. */
3073 dri2_dpy->image->queryImage(dri2_img->dri_image,
3074 __DRI_IMAGE_ATTRIB_NUM_PLANES, &nplanes);
3075 memset(fds, -1, nplanes * sizeof(int));
3078 /* rework later to provide multiple fds/strides/offsets */
3080 dri2_dpy->image->queryImage(dri2_img->dri_image,
3081 __DRI_IMAGE_ATTRIB_FD, fds);
3084 dri2_dpy->image->queryImage(dri2_img->dri_image,
3085 __DRI_IMAGE_ATTRIB_STRIDE, strides);
3089 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
3090 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
3092 offsets[0] = img_offset;
3103 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
3104 _EGLContext *ctx, EGLenum target,
3105 EGLClientBuffer buffer, const EGLint *attr_list)
3110 case EGL_GL_TEXTURE_2D_KHR:
3111 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
3112 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
3113 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
3114 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
3115 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
3116 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
3117 case EGL_GL_TEXTURE_3D_KHR:
3118 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
3119 case EGL_GL_RENDERBUFFER_KHR:
3120 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
3122 case EGL_DRM_BUFFER_MESA:
3123 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
3124 case EGL_LINUX_DMA_BUF_EXT:
3125 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
3127 #ifdef HAVE_WAYLAND_PLATFORM
3128 case EGL_WAYLAND_BUFFER_WL:
3129 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
3132 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
3133 return EGL_NO_IMAGE_KHR;
3138 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
3140 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3141 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
3145 dri2_dpy->image->destroyImage(dri2_img->dri_image);
3151 #ifdef HAVE_WAYLAND_PLATFORM
3154 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
3155 struct wl_drm_buffer *buffer)
3157 _EGLDisplay *disp = user_data;
3158 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3160 int dri_components = 0;
3163 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
3172 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
3184 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
3186 buffer->driver_format = NULL;
3187 for (int i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
3188 if (wl_drm_components[i].dri_components == dri_components)
3189 buffer->driver_format = &wl_drm_components[i];
3191 if (buffer->driver_format == NULL)
3192 dri2_dpy->image->destroyImage(img);
3194 buffer->driver_buffer = img;
3198 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
3200 _EGLDisplay *disp = user_data;
3201 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3203 dri2_dpy->image->destroyImage(buffer->driver_buffer);
3207 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
3208 struct wl_display *wl_dpy)
3210 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3211 const struct wayland_drm_callbacks wl_drm_callbacks = {
3212 .authenticate = (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate,
3213 .reference_buffer = dri2_wl_reference_buffer,
3214 .release_buffer = dri2_wl_release_buffer,
3215 .is_format_supported = dri2_wl_is_format_supported
3222 if (dri2_dpy->wl_server_drm)
3225 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
3226 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
3227 dri2_dpy->image->base.version >= 7 &&
3228 dri2_dpy->image->createImageFromFds != NULL)
3229 flags |= WAYLAND_DRM_PRIME;
3231 dri2_dpy->wl_server_drm =
3232 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
3233 &wl_drm_callbacks, disp, flags);
3235 if (!dri2_dpy->wl_server_drm)
3238 #ifdef HAVE_DRM_PLATFORM
3239 /* We have to share the wl_drm instance with gbm, so gbm can convert
3240 * wl_buffers to gbm bos. */
3241 if (dri2_dpy->gbm_dri)
3242 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
3249 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
3250 struct wl_display *wl_dpy)
3252 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3256 if (!dri2_dpy->wl_server_drm)
3259 wayland_drm_uninit(dri2_dpy->wl_server_drm);
3260 dri2_dpy->wl_server_drm = NULL;
3266 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
3267 struct wl_resource *buffer_resource,
3268 EGLint attribute, EGLint *value)
3270 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3271 struct wl_drm_buffer *buffer;
3272 const struct wl_drm_components_descriptor *format;
3274 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
3278 format = buffer->driver_format;
3279 switch (attribute) {
3280 case EGL_TEXTURE_FORMAT:
3281 *value = format->components;
3284 *value = buffer->width;
3287 *value = buffer->height;
3296 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
3298 p_atomic_inc(&sync->refcount);
3302 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
3303 struct dri2_egl_sync *dri2_sync)
3305 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
3306 switch (dri2_sync->base.Type) {
3307 case EGL_SYNC_REUSABLE_KHR:
3308 cnd_destroy(&dri2_sync->cond);
3310 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3311 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
3312 close(dri2_sync->base.SyncFd);
3318 if (dri2_sync->fence)
3319 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
3326 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *disp,
3327 EGLenum type, const EGLAttrib *attrib_list)
3329 _EGLContext *ctx = _eglGetCurrentContext();
3330 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3331 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3332 struct dri2_egl_sync *dri2_sync;
3334 pthread_condattr_t attr;
3336 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
3338 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
3342 if (!_eglInitSync(&dri2_sync->base, disp, type, attrib_list)) {
3348 case EGL_SYNC_FENCE_KHR:
3349 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
3350 if (!dri2_sync->fence) {
3351 /* Why did it fail? DRI doesn't return an error code, so we emit
3352 * a generic EGL error that doesn't communicate user error.
3354 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
3360 case EGL_SYNC_CL_EVENT_KHR:
3361 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
3362 dri2_dpy->dri_screen,
3363 dri2_sync->base.CLEvent);
3364 /* this can only happen if the cl_event passed in is invalid. */
3365 if (!dri2_sync->fence) {
3366 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3371 /* the initial status must be "signaled" if the cl_event is signaled */
3372 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
3373 dri2_sync->fence, 0, 0))
3374 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3377 case EGL_SYNC_REUSABLE_KHR:
3378 /* intialize attr */
3379 ret = pthread_condattr_init(&attr);
3382 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3387 /* change clock attribute to CLOCK_MONOTONIC */
3388 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
3391 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3396 ret = pthread_cond_init(&dri2_sync->cond, &attr);
3399 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3404 /* initial status of reusable sync must be "unsignaled" */
3405 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
3408 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3409 if (dri2_dpy->fence->create_fence_fd) {
3410 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
3411 dri2_ctx->dri_context,
3412 dri2_sync->base.SyncFd);
3414 if (!dri2_sync->fence) {
3415 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3422 p_atomic_set(&dri2_sync->refcount, 1);
3423 return &dri2_sync->base;
3427 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3429 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3430 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3431 EGLint ret = EGL_TRUE;
3434 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
3435 * then unlock all threads possibly blocked by the reusable sync before
3438 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
3439 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3440 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3441 /* unblock all threads currently blocked by sync */
3442 err = cnd_broadcast(&dri2_sync->cond);
3445 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
3450 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3456 dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3458 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3459 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3461 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
3463 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3464 /* try to retrieve the actual native fence fd.. if rendering is
3465 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
3467 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
3471 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3472 /* if native fence fd still not created, return an error: */
3473 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
3474 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
3477 return os_dupfd_cloexec(sync->SyncFd);
3481 dri2_set_blob_cache_funcs(_EGLDriver *drv, _EGLDisplay *disp,
3482 EGLSetBlobFuncANDROID set,
3483 EGLGetBlobFuncANDROID get)
3485 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3486 dri2_dpy->blob->set_cache_funcs(dri2_dpy->dri_screen,
3488 disp->BlobCacheGet);
3492 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3493 EGLint flags, EGLTime timeout)
3495 _EGLContext *ctx = _eglGetCurrentContext();
3496 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3497 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3498 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3499 unsigned wait_flags = 0;
3501 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
3503 /* The EGL_KHR_fence_sync spec states:
3505 * "If no context is current for the bound API,
3506 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
3508 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
3509 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
3511 /* the sync object should take a reference while waiting */
3512 dri2_egl_ref_sync(dri2_sync);
3514 switch (sync->Type) {
3515 case EGL_SYNC_FENCE_KHR:
3516 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3517 case EGL_SYNC_CL_EVENT_KHR:
3518 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
3519 dri2_sync->fence, wait_flags,
3521 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3523 ret = EGL_TIMEOUT_EXPIRED_KHR;
3526 case EGL_SYNC_REUSABLE_KHR:
3527 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
3528 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
3529 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
3533 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
3534 if (timeout == EGL_FOREVER_KHR) {
3535 mtx_lock(&dri2_sync->mutex);
3536 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
3537 mtx_unlock(&dri2_sync->mutex);
3539 /* if reusable sync has not been yet signaled */
3540 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
3541 /* timespecs for cnd_timedwait */
3542 struct timespec current;
3543 struct timespec expire;
3545 /* We override the clock to monotonic when creating the condition
3547 clock_gettime(CLOCK_MONOTONIC, ¤t);
3549 /* calculating when to expire */
3550 expire.tv_nsec = timeout % 1000000000L;
3551 expire.tv_sec = timeout / 1000000000L;
3553 expire.tv_nsec += current.tv_nsec;
3554 expire.tv_sec += current.tv_sec;
3556 /* expire.nsec now is a number between 0 and 1999999998 */
3557 if (expire.tv_nsec > 999999999L) {
3559 expire.tv_nsec -= 1000000000L;
3562 mtx_lock(&dri2_sync->mutex);
3563 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
3564 mtx_unlock(&dri2_sync->mutex);
3566 if (ret == thrd_busy) {
3567 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3568 ret = EGL_TIMEOUT_EXPIRED_KHR;
3570 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
3578 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3584 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3587 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3590 if (sync->Type != EGL_SYNC_REUSABLE_KHR)
3591 return _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
3593 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR)
3594 return _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
3596 dri2_sync->base.SyncStatus = mode;
3598 if (mode == EGL_SIGNALED_KHR) {
3599 ret = cnd_broadcast(&dri2_sync->cond);
3601 /* fail to broadcast */
3603 return _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
3610 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3612 _EGLContext *ctx = _eglGetCurrentContext();
3613 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3614 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3615 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3617 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
3618 dri2_sync->fence, 0);
3623 dri2_interop_query_device_info(_EGLDisplay *disp, _EGLContext *ctx,
3624 struct mesa_glinterop_device_info *out)
3626 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3627 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3629 if (!dri2_dpy->interop)
3630 return MESA_GLINTEROP_UNSUPPORTED;
3632 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
3636 dri2_interop_export_object(_EGLDisplay *disp, _EGLContext *ctx,
3637 struct mesa_glinterop_export_in *in,
3638 struct mesa_glinterop_export_out *out)
3640 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3641 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3643 if (!dri2_dpy->interop)
3644 return MESA_GLINTEROP_UNSUPPORTED;
3646 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
3650 * This is the main entrypoint into the driver, called by libEGL.
3651 * Gets an _EGLDriver object and init its dispatch table.
3654 _eglInitDriver(_EGLDriver *dri2_drv)
3656 dri2_drv->API.Initialize = dri2_initialize;
3657 dri2_drv->API.Terminate = dri2_terminate;
3658 dri2_drv->API.CreateContext = dri2_create_context;
3659 dri2_drv->API.DestroyContext = dri2_destroy_context;
3660 dri2_drv->API.MakeCurrent = dri2_make_current;
3661 dri2_drv->API.CreateWindowSurface = dri2_create_window_surface;
3662 dri2_drv->API.CreatePixmapSurface = dri2_create_pixmap_surface;
3663 dri2_drv->API.CreatePbufferSurface = dri2_create_pbuffer_surface;
3664 dri2_drv->API.DestroySurface = dri2_destroy_surface;
3665 dri2_drv->API.GetProcAddress = dri2_get_proc_address;
3666 dri2_drv->API.WaitClient = dri2_wait_client;
3667 dri2_drv->API.WaitNative = dri2_wait_native;
3668 dri2_drv->API.BindTexImage = dri2_bind_tex_image;
3669 dri2_drv->API.ReleaseTexImage = dri2_release_tex_image;
3670 dri2_drv->API.SwapInterval = dri2_swap_interval;
3671 dri2_drv->API.SwapBuffers = dri2_swap_buffers;
3672 dri2_drv->API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
3673 dri2_drv->API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
3674 dri2_drv->API.SetDamageRegion = dri2_set_damage_region;
3675 dri2_drv->API.PostSubBufferNV = dri2_post_sub_buffer;
3676 dri2_drv->API.CopyBuffers = dri2_copy_buffers,
3677 dri2_drv->API.QueryBufferAge = dri2_query_buffer_age;
3678 dri2_drv->API.CreateImageKHR = dri2_create_image;
3679 dri2_drv->API.DestroyImageKHR = dri2_destroy_image_khr;
3680 dri2_drv->API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
3681 dri2_drv->API.QuerySurface = dri2_query_surface;
3682 dri2_drv->API.QueryDriverName = dri2_query_driver_name;
3683 dri2_drv->API.QueryDriverConfig = dri2_query_driver_config;
3685 dri2_drv->API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
3686 dri2_drv->API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
3687 dri2_drv->API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
3688 dri2_drv->API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
3689 dri2_drv->API.QueryDmaBufFormatsEXT = dri2_query_dma_buf_formats;
3690 dri2_drv->API.QueryDmaBufModifiersEXT = dri2_query_dma_buf_modifiers;
3692 #ifdef HAVE_WAYLAND_PLATFORM
3693 dri2_drv->API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
3694 dri2_drv->API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
3695 dri2_drv->API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
3697 dri2_drv->API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
3698 dri2_drv->API.CreateSyncKHR = dri2_create_sync;
3699 dri2_drv->API.ClientWaitSyncKHR = dri2_client_wait_sync;
3700 dri2_drv->API.SignalSyncKHR = dri2_signal_sync;
3701 dri2_drv->API.WaitSyncKHR = dri2_server_wait_sync;
3702 dri2_drv->API.DestroySyncKHR = dri2_destroy_sync;
3703 dri2_drv->API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
3704 dri2_drv->API.GLInteropExportObject = dri2_interop_export_object;
3705 dri2_drv->API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
3706 dri2_drv->API.SetBlobCacheFuncsANDROID = dri2_set_blob_cache_funcs;