2 * Mesa 3-D graphics library
5 * Copyright 2009, VMware, Inc.
7 * Copyright (C) 2010 LunarG Inc.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * Keith Whitwell <keithw@vmware.com>
28 * Jakob Bornecrantz <wallbraker@gmail.com>
29 * Chia-I Wu <olv@lunarg.com>
32 #include "util/u_memory.h"
33 #include "util/u_inlines.h"
34 #include "util/u_format.h"
35 #include "util/u_debug.h"
36 #include "state_tracker/drm_driver.h"
38 #include "dri_screen.h"
39 #include "dri_context.h"
40 #include "dri_drawable.h"
41 #include "dri2_buffer.h"
44 * DRI2 flush extension.
47 dri2_flush_drawable(__DRIdrawable *draw)
52 dri2_invalidate_drawable(__DRIdrawable *dPriv)
54 struct dri_drawable *drawable = dri_drawable(dPriv);
55 struct dri_context *ctx = drawable->context;
57 dri2InvalidateDrawable(dPriv);
58 drawable->dPriv->lastStamp = *drawable->dPriv->pStamp;
61 ctx->st->notify_invalid_framebuffer(ctx->st, &drawable->base);
64 static const __DRI2flushExtension dri2FlushExtension = {
65 { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
67 dri2_invalidate_drawable,
71 * Retrieve __DRIbuffer from the DRI loader.
74 dri2_drawable_get_buffers(struct dri_drawable *drawable,
75 const enum st_attachment_type *statts,
78 __DRIdrawable *dri_drawable = drawable->dPriv;
79 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader;
83 unsigned attachments[10];
84 unsigned num_attachments, i;
87 with_format = dri_with_format(drawable->sPriv);
91 /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
93 attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT;
95 for (i = 0; i < *count; i++) {
96 enum pipe_format format;
100 dri_drawable_get_format(drawable, statts[i], &format, &bind);
101 if (format == PIPE_FORMAT_NONE)
105 case ST_ATTACHMENT_FRONT_LEFT:
109 att = __DRI_BUFFER_FRONT_LEFT;
111 case ST_ATTACHMENT_BACK_LEFT:
112 att = __DRI_BUFFER_BACK_LEFT;
114 case ST_ATTACHMENT_FRONT_RIGHT:
115 att = __DRI_BUFFER_FRONT_RIGHT;
117 case ST_ATTACHMENT_BACK_RIGHT:
118 att = __DRI_BUFFER_BACK_RIGHT;
120 case ST_ATTACHMENT_DEPTH_STENCIL:
121 att = __DRI_BUFFER_DEPTH_STENCIL;
128 bpp = util_format_get_blocksizebits(format);
131 attachments[num_attachments++] = att;
133 attachments[num_attachments++] = bpp;
139 num_attachments /= 2;
140 buffers = loader->getBuffersWithFormat(dri_drawable,
141 &dri_drawable->w, &dri_drawable->h,
142 attachments, num_attachments,
143 &num_buffers, dri_drawable->loaderPrivate);
146 buffers = loader->getBuffers(dri_drawable,
147 &dri_drawable->w, &dri_drawable->h,
148 attachments, num_attachments,
149 &num_buffers, dri_drawable->loaderPrivate);
153 /* set one cliprect to cover the whole dri_drawable */
156 dri_drawable->backX = 0;
157 dri_drawable->backY = 0;
158 dri_drawable->numClipRects = 1;
159 dri_drawable->pClipRects[0].x1 = 0;
160 dri_drawable->pClipRects[0].y1 = 0;
161 dri_drawable->pClipRects[0].x2 = dri_drawable->w;
162 dri_drawable->pClipRects[0].y2 = dri_drawable->h;
163 dri_drawable->numBackClipRects = 1;
164 dri_drawable->pBackClipRects[0].x1 = 0;
165 dri_drawable->pBackClipRects[0].y1 = 0;
166 dri_drawable->pBackClipRects[0].x2 = dri_drawable->w;
167 dri_drawable->pBackClipRects[0].y2 = dri_drawable->h;
169 *count = num_buffers;
176 * Process __DRIbuffer and convert them into pipe_resources.
179 dri2_drawable_process_buffers(struct dri_drawable *drawable,
180 __DRIbuffer *buffers, unsigned count)
182 struct dri_screen *screen = dri_screen(drawable->sPriv);
183 __DRIdrawable *dri_drawable = drawable->dPriv;
184 struct pipe_resource templ;
185 struct winsys_handle whandle;
186 boolean have_depth = FALSE;
189 if (drawable->old_num == count &&
190 drawable->old_w == dri_drawable->w &&
191 drawable->old_h == dri_drawable->h &&
192 memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0)
195 for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
196 pipe_resource_reference(&drawable->textures[i], NULL);
198 memset(&templ, 0, sizeof(templ));
199 templ.target = screen->target;
200 templ.last_level = 0;
201 templ.width0 = dri_drawable->w;
202 templ.height0 = dri_drawable->h;
204 templ.array_size = 1;
206 memset(&whandle, 0, sizeof(whandle));
208 for (i = 0; i < count; i++) {
209 __DRIbuffer *buf = &buffers[i];
210 enum st_attachment_type statt;
211 enum pipe_format format;
213 switch (buf->attachment) {
214 case __DRI_BUFFER_FRONT_LEFT:
215 if (!screen->auto_fake_front) {
216 statt = ST_ATTACHMENT_INVALID;
220 case __DRI_BUFFER_FAKE_FRONT_LEFT:
221 statt = ST_ATTACHMENT_FRONT_LEFT;
223 case __DRI_BUFFER_BACK_LEFT:
224 statt = ST_ATTACHMENT_BACK_LEFT;
226 case __DRI_BUFFER_DEPTH:
227 case __DRI_BUFFER_DEPTH_STENCIL:
228 case __DRI_BUFFER_STENCIL:
229 /* use only the first depth/stencil buffer */
232 statt = ST_ATTACHMENT_DEPTH_STENCIL;
235 statt = ST_ATTACHMENT_INVALID;
239 statt = ST_ATTACHMENT_INVALID;
243 dri_drawable_get_format(drawable, statt, &format, &bind);
244 if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE)
247 templ.format = format;
249 whandle.handle = buf->name;
250 whandle.stride = buf->pitch;
252 drawable->textures[statt] =
253 screen->base.screen->resource_from_handle(screen->base.screen,
257 drawable->old_num = count;
258 drawable->old_w = dri_drawable->w;
259 drawable->old_h = dri_drawable->h;
260 memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count);
264 dri2_allocate_buffer(__DRIscreen *sPriv,
265 unsigned attachment, unsigned format,
266 int width, int height)
268 struct dri_screen *screen = dri_screen(sPriv);
269 struct dri2_buffer *buffer;
270 struct pipe_resource templ;
271 enum st_attachment_type statt;
274 struct winsys_handle whandle;
276 switch (attachment) {
277 case __DRI_BUFFER_FRONT_LEFT:
278 case __DRI_BUFFER_FAKE_FRONT_LEFT:
279 statt = ST_ATTACHMENT_FRONT_LEFT;
280 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
282 case __DRI_BUFFER_BACK_LEFT:
283 statt = ST_ATTACHMENT_BACK_LEFT;
284 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
286 case __DRI_BUFFER_DEPTH:
287 case __DRI_BUFFER_DEPTH_STENCIL:
288 case __DRI_BUFFER_STENCIL:
289 statt = ST_ATTACHMENT_DEPTH_STENCIL;
290 bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
293 statt = ST_ATTACHMENT_INVALID;
299 pf = PIPE_FORMAT_B8G8R8X8_UNORM;
302 pf = PIPE_FORMAT_Z16_UNORM;
308 buffer = CALLOC_STRUCT(dri2_buffer);
312 memset(&templ, 0, sizeof(templ));
315 templ.target = PIPE_TEXTURE_2D;
316 templ.last_level = 0;
317 templ.width0 = width;
318 templ.height0 = height;
320 templ.array_size = 1;
323 screen->base.screen->resource_create(screen->base.screen, &templ);
324 if (!buffer->resource)
327 memset(&whandle, 0, sizeof(whandle));
328 whandle.type = DRM_API_HANDLE_TYPE_SHARED;
329 screen->base.screen->resource_get_handle(screen->base.screen,
330 buffer->resource, &whandle);
332 buffer->base.attachment = attachment;
333 buffer->base.name = whandle.handle;
334 buffer->base.cpp = util_format_get_blocksize(pf);
335 buffer->base.pitch = whandle.stride;
337 return &buffer->base;
341 dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv)
343 struct dri2_buffer *buffer = dri2_buffer(bPriv);
345 pipe_resource_reference(&buffer->resource, NULL);
350 * Backend functions for st_framebuffer interface.
354 dri2_allocate_textures(struct dri_drawable *drawable,
355 const enum st_attachment_type *statts,
358 __DRIbuffer *buffers;
359 unsigned num_buffers = count;
361 buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers);
363 dri2_drawable_process_buffers(drawable, buffers, num_buffers);
367 dri2_flush_frontbuffer(struct dri_drawable *drawable,
368 enum st_attachment_type statt)
370 __DRIdrawable *dri_drawable = drawable->dPriv;
371 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader;
373 if (loader->flushFrontBuffer == NULL)
376 if (statt == ST_ATTACHMENT_FRONT_LEFT) {
377 loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
382 dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
384 __DRIimageLookupExtension *loader = screen->sPriv->dri2.image;
387 if (!loader->lookupEGLImage)
390 img = loader->lookupEGLImage(screen->sPriv,
391 handle, screen->sPriv->loaderPrivate);
397 dri2_create_image_from_name(__DRIscreen *_screen,
398 int width, int height, int format,
399 int name, int pitch, void *loaderPrivate)
401 struct dri_screen *screen = dri_screen(_screen);
403 struct pipe_resource templ;
404 struct winsys_handle whandle;
408 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
411 case __DRI_IMAGE_FORMAT_RGB565:
412 pf = PIPE_FORMAT_B5G6R5_UNORM;
414 case __DRI_IMAGE_FORMAT_XRGB8888:
415 pf = PIPE_FORMAT_B8G8R8X8_UNORM;
417 case __DRI_IMAGE_FORMAT_ARGB8888:
418 pf = PIPE_FORMAT_B8G8R8A8_UNORM;
421 pf = PIPE_FORMAT_NONE;
424 if (pf == PIPE_FORMAT_NONE)
427 img = CALLOC_STRUCT(__DRIimageRec);
431 memset(&templ, 0, sizeof(templ));
432 templ.bind = tex_usage;
434 templ.target = screen->target;
435 templ.last_level = 0;
436 templ.width0 = width;
437 templ.height0 = height;
439 templ.array_size = 1;
441 memset(&whandle, 0, sizeof(whandle));
442 whandle.handle = name;
443 whandle.stride = pitch * util_format_get_blocksize(pf);
445 img->texture = screen->base.screen->resource_from_handle(screen->base.screen,
454 img->loader_private = loaderPrivate;
460 dri2_create_image_from_renderbuffer(__DRIcontext *context,
461 int renderbuffer, void *loaderPrivate)
463 struct dri_context *ctx = dri_context(context);
465 if (!ctx->st->get_resource_for_egl_image)
473 dri2_create_image(__DRIscreen *_screen,
474 int width, int height, int format,
475 unsigned int use, void *loaderPrivate)
477 struct dri_screen *screen = dri_screen(_screen);
479 struct pipe_resource templ;
483 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
484 if (use & __DRI_IMAGE_USE_SCANOUT)
485 tex_usage |= PIPE_BIND_SCANOUT;
486 if (use & __DRI_IMAGE_USE_SHARE)
487 tex_usage |= PIPE_BIND_SHARED;
488 if (use & __DRI_IMAGE_USE_CURSOR) {
489 if (width != 64 || height != 64)
491 tex_usage |= PIPE_BIND_CURSOR;
495 case __DRI_IMAGE_FORMAT_RGB565:
496 pf = PIPE_FORMAT_B5G6R5_UNORM;
498 case __DRI_IMAGE_FORMAT_XRGB8888:
499 pf = PIPE_FORMAT_B8G8R8X8_UNORM;
501 case __DRI_IMAGE_FORMAT_ARGB8888:
502 pf = PIPE_FORMAT_B8G8R8A8_UNORM;
505 pf = PIPE_FORMAT_NONE;
508 if (pf == PIPE_FORMAT_NONE)
511 img = CALLOC_STRUCT(__DRIimageRec);
515 memset(&templ, 0, sizeof(templ));
516 templ.bind = tex_usage;
518 templ.target = PIPE_TEXTURE_2D;
519 templ.last_level = 0;
520 templ.width0 = width;
521 templ.height0 = height;
523 templ.array_size = 1;
525 img->texture = screen->base.screen->resource_create(screen->base.screen, &templ);
534 img->loader_private = loaderPrivate;
539 dri2_query_image(__DRIimage *image, int attrib, int *value)
541 struct winsys_handle whandle;
542 memset(&whandle, 0, sizeof(whandle));
545 case __DRI_IMAGE_ATTRIB_STRIDE:
546 image->texture->screen->resource_get_handle(image->texture->screen,
547 image->texture, &whandle);
548 *value = whandle.stride;
550 case __DRI_IMAGE_ATTRIB_HANDLE:
551 whandle.type = DRM_API_HANDLE_TYPE_KMS;
552 image->texture->screen->resource_get_handle(image->texture->screen,
553 image->texture, &whandle);
554 *value = whandle.handle;
556 case __DRI_IMAGE_ATTRIB_NAME:
557 whandle.type = DRM_API_HANDLE_TYPE_SHARED;
558 image->texture->screen->resource_get_handle(image->texture->screen,
559 image->texture, &whandle);
560 *value = whandle.handle;
568 dri2_dup_image(__DRIimage *image, void *loaderPrivate)
572 img = CALLOC_STRUCT(__DRIimageRec);
577 pipe_resource_reference(&img->texture, image->texture);
578 img->level = image->level;
579 img->layer = image->layer;
580 img->loader_private = loaderPrivate;
586 dri2_destroy_image(__DRIimage *img)
588 pipe_resource_reference(&img->texture, NULL);
592 static struct __DRIimageExtensionRec dri2ImageExtension = {
593 { __DRI_IMAGE, __DRI_IMAGE_VERSION },
594 dri2_create_image_from_name,
595 dri2_create_image_from_renderbuffer,
603 * Backend function init_screen.
606 static const __DRIextension *dri_screen_extensions[] = {
607 &driReadDrawableExtension,
608 &driCopySubBufferExtension.base,
609 &driSwapControlExtension.base,
610 &driMediaStreamCounterExtension.base,
611 &driTexBufferExtension.base,
612 &dri2FlushExtension.base,
613 &dri2ImageExtension.base,
614 &dri2ConfigQueryExtension.base,
619 * This is the driver specific part of the createNewScreen entry point.
621 * Returns the struct gl_config supported by this driver.
623 static const __DRIconfig **
624 dri2_init_screen(__DRIscreen * sPriv)
626 const __DRIconfig **configs;
627 struct dri_screen *screen;
628 struct pipe_screen *pscreen;
630 screen = CALLOC_STRUCT(dri_screen);
634 screen->sPriv = sPriv;
635 screen->fd = sPriv->fd;
637 sPriv->private = (void *)screen;
638 sPriv->extensions = dri_screen_extensions;
640 pscreen = driver_descriptor.create_screen(screen->fd);
641 /* dri_init_screen_helper checks pscreen for us */
643 configs = dri_init_screen_helper(screen, pscreen, 32);
648 if (screen->st_api->profile_mask & ST_PROFILE_DEFAULT_MASK)
649 sPriv->api_mask |= 1 << __DRI_API_OPENGL;
650 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES1_MASK)
651 sPriv->api_mask |= 1 << __DRI_API_GLES;
652 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES2_MASK)
653 sPriv->api_mask |= 1 << __DRI_API_GLES2;
655 screen->auto_fake_front = dri_with_format(sPriv);
656 screen->broken_invalidate = !sPriv->dri2.useInvalidate;
657 screen->lookup_egl_image = dri2_lookup_egl_image;
661 dri_destroy_screen_helper(screen);
667 dri2_create_context(gl_api api, const struct gl_config * visual,
668 __DRIcontext * cPriv, void *sharedContextPrivate)
670 struct dri_context *ctx = NULL;
672 if (!dri_create_context(api, visual, cPriv, sharedContextPrivate))
675 ctx = cPriv->driverPrivate;
681 dri2_create_buffer(__DRIscreen * sPriv,
682 __DRIdrawable * dPriv,
683 const struct gl_config * visual, boolean isPixmap)
685 struct dri_drawable *drawable = NULL;
687 if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
690 drawable = dPriv->driverPrivate;
692 drawable->allocate_textures = dri2_allocate_textures;
693 drawable->flush_frontbuffer = dri2_flush_frontbuffer;
699 * DRI driver virtual function table.
701 * DRI versions differ in their implementation of init_screen and swap_buffers.
703 const struct __DriverAPIRec driDriverAPI = {
705 .InitScreen2 = dri2_init_screen,
706 .DestroyScreen = dri_destroy_screen,
707 .CreateContext = dri2_create_context,
708 .DestroyContext = dri_destroy_context,
709 .CreateBuffer = dri2_create_buffer,
710 .DestroyBuffer = dri_destroy_buffer,
711 .MakeCurrent = dri_make_current,
712 .UnbindContext = dri_unbind_context,
715 .GetDrawableMSC = NULL,
719 .CopySubBuffer = NULL,
721 .AllocateBuffer = dri2_allocate_buffer,
722 .ReleaseBuffer = dri2_release_buffer,
725 /* This is the table of extensions that the loader will dlsym() for. */
726 PUBLIC const __DRIextension *__driDriverExtensions[] = {
727 &driCoreExtension.base,
728 &driLegacyExtension.base,
729 &driDRI2Extension.base,
733 /* vim: set sw=3 ts=8 sts=3 expandtab: */