1 /*
2 * Mesa 3-D graphics library
3 * Version: 7.12
4 *
5 * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
6 * Copyright (C) 2010-2011 LunarG Inc.
7 *
8 * Based on platform_x11, which has
9 *
10 * Copyright © 2011 Intel Corporation
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
29 */
30
31 #include <errno.h>
32 #include <dlfcn.h>
33
34 /* for droid_get_pci_id */
35 #include <xf86drm.h>
36 #include <i915_drm.h>
37 #include <radeon_drm.h>
38
39 #include "egl_dri2.h"
40
41 static int
get_format_bpp(int native)42 get_format_bpp(int native)
43 {
44 int bpp;
45
46 switch (native) {
47 case HAL_PIXEL_FORMAT_RGBA_8888:
48 case HAL_PIXEL_FORMAT_RGBX_8888:
49 case HAL_PIXEL_FORMAT_BGRA_8888:
50 bpp = 4;
51 break;
52 case HAL_PIXEL_FORMAT_RGB_888:
53 bpp = 3;
54 break;
55 case HAL_PIXEL_FORMAT_RGB_565:
56 case HAL_PIXEL_FORMAT_RGBA_5551:
57 case HAL_PIXEL_FORMAT_RGBA_4444:
58 bpp = 2;
59 break;
60 default:
61 bpp = 0;
62 break;
63 }
64
65 return bpp;
66 }
67
68 static int
get_native_buffer_name(struct ANativeWindowBuffer * buf)69 get_native_buffer_name(struct ANativeWindowBuffer *buf)
70 {
71 struct gralloc_drm_handle_t *handle;
72
73 /* check that the buffer is allocated by drm_gralloc and cast */
74 handle = gralloc_drm_handle(buf->handle);
75
76 return (handle) ? handle->name : 0;
77 }
78
79 static EGLBoolean
droid_window_dequeue_buffer(struct dri2_egl_surface * dri2_surf)80 droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf)
81 {
82 if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer))
83 return EGL_FALSE;
84
85 dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
86 dri2_surf->window->lockBuffer(dri2_surf->window, dri2_surf->buffer);
87
88 return EGL_TRUE;
89 }
90
91 static EGLBoolean
droid_window_enqueue_buffer(struct dri2_egl_surface * dri2_surf)92 droid_window_enqueue_buffer(struct dri2_egl_surface *dri2_surf)
93 {
94 dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer);
95
96 dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common);
97 dri2_surf->buffer = NULL;
98
99 return EGL_TRUE;
100 }
101
102 static void
droid_window_cancel_buffer(struct dri2_egl_surface * dri2_surf)103 droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf)
104 {
105 /* no cancel buffer? */
106 droid_window_enqueue_buffer(dri2_surf);
107 }
108
109 static __DRIbuffer *
droid_alloc_local_buffer(struct dri2_egl_surface * dri2_surf,unsigned int att,unsigned int format)110 droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
111 unsigned int att, unsigned int format)
112 {
113 struct dri2_egl_display *dri2_dpy =
114 dri2_egl_display(dri2_surf->base.Resource.Display);
115
116 if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
117 return NULL;
118
119 if (!dri2_surf->local_buffers[att]) {
120 dri2_surf->local_buffers[att] =
121 dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
122 dri2_surf->base.Width, dri2_surf->base.Height);
123 }
124
125 return dri2_surf->local_buffers[att];
126 }
127
128 static void
droid_free_local_buffers(struct dri2_egl_surface * dri2_surf)129 droid_free_local_buffers(struct dri2_egl_surface *dri2_surf)
130 {
131 struct dri2_egl_display *dri2_dpy =
132 dri2_egl_display(dri2_surf->base.Resource.Display);
133 int i;
134
135 for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
136 if (dri2_surf->local_buffers[i]) {
137 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
138 dri2_surf->local_buffers[i]);
139 dri2_surf->local_buffers[i] = NULL;
140 }
141 }
142 }
143
144 static _EGLSurface *
droid_create_surface(_EGLDriver * drv,_EGLDisplay * disp,EGLint type,_EGLConfig * conf,EGLNativeWindowType window,const EGLint * attrib_list)145 droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
146 _EGLConfig *conf, EGLNativeWindowType window,
147 const EGLint *attrib_list)
148 {
149 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
150 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
151 struct dri2_egl_surface *dri2_surf;
152 dri2_surf = calloc(1, sizeof *dri2_surf);
153 if (!dri2_surf) {
154 _eglError(EGL_BAD_ALLOC, "droid_create_surface");
155 return NULL;
156 }
157
158 if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
159 goto cleanup_surface;
160
161 if (type == EGL_WINDOW_BIT) {
162 int format;
163
164 if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
165 _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
166 goto cleanup_surface;
167 }
168 if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
169 _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
170 goto cleanup_surface;
171 }
172
173 if (format != dri2_conf->base.NativeVisualID) {
174 _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
175 format, dri2_conf->base.NativeVisualID);
176 }
177
178 window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width);
179 window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
180 }
181
182 dri2_surf->dri_drawable =
183 (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen,
184 dri2_conf->dri_double_config,
185 dri2_surf);
186 if (dri2_surf->dri_drawable == NULL) {
187 _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
188 goto cleanup_surface;
189 }
190
191 if (window) {
192 window->common.incRef(&window->common);
193 dri2_surf->window = window;
194 }
195
196 return &dri2_surf->base;
197
198 cleanup_surface:
199 free(dri2_surf);
200
201 return NULL;
202 }
203
204 static _EGLSurface *
droid_create_window_surface(_EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,EGLNativeWindowType window,const EGLint * attrib_list)205 droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
206 _EGLConfig *conf, EGLNativeWindowType window,
207 const EGLint *attrib_list)
208 {
209 return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
210 window, attrib_list);
211 }
212
213 static _EGLSurface *
droid_create_pixmap_surface(_EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,EGLNativePixmapType pixmap,const EGLint * attrib_list)214 droid_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
215 _EGLConfig *conf, EGLNativePixmapType pixmap,
216 const EGLint *attrib_list)
217 {
218 return NULL;
219 }
220
221 static _EGLSurface *
droid_create_pbuffer_surface(_EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,const EGLint * attrib_list)222 droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
223 _EGLConfig *conf, const EGLint *attrib_list)
224 {
225 return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
226 NULL, attrib_list);
227 }
228
229 static EGLBoolean
droid_destroy_surface(_EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf)230 droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
231 {
232 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
233 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
234
235 if (!_eglPutSurface(surf))
236 return EGL_TRUE;
237
238 droid_free_local_buffers(dri2_surf);
239
240 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
241 if (dri2_surf->buffer)
242 droid_window_cancel_buffer(dri2_surf);
243
244 dri2_surf->window->common.decRef(&dri2_surf->window->common);
245 }
246
247 (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
248
249 free(dri2_surf);
250
251 return EGL_TRUE;
252 }
253
254 static EGLBoolean
droid_swap_buffers(_EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * draw)255 droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
256 {
257 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
258 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
259 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
260 _EGLContext *ctx;
261
262 if (dri2_surf->base.Type != EGL_WINDOW_BIT)
263 return EGL_TRUE;
264
265 if (dri2_drv->glFlush) {
266 ctx = _eglGetCurrentContext();
267 if (ctx && ctx->DrawSurface == &dri2_surf->base)
268 dri2_drv->glFlush();
269 }
270
271 (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
272
273 if (dri2_surf->buffer)
274 droid_window_enqueue_buffer(dri2_surf);
275
276 (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
277
278 return EGL_TRUE;
279 }
280
281 static _EGLImage *
dri2_create_image_android_native_buffer(_EGLDisplay * disp,struct ANativeWindowBuffer * buf)282 dri2_create_image_android_native_buffer(_EGLDisplay *disp,
283 struct ANativeWindowBuffer *buf)
284 {
285 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
286 struct dri2_egl_image *dri2_img;
287 int name;
288 EGLint format;
289
290 if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC ||
291 buf->common.version != sizeof(*buf)) {
292 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
293 return NULL;
294 }
295
296 name = get_native_buffer_name(buf);
297 if (!name) {
298 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
299 return NULL;
300 }
301
302 /* see the table in droid_add_configs_for_visuals */
303 switch (buf->format) {
304 case HAL_PIXEL_FORMAT_BGRA_8888:
305 format = __DRI_IMAGE_FORMAT_ARGB8888;
306 break;
307 case HAL_PIXEL_FORMAT_RGB_565:
308 format = __DRI_IMAGE_FORMAT_RGB565;
309 break;
310 case HAL_PIXEL_FORMAT_RGBA_8888:
311 format = __DRI_IMAGE_FORMAT_ABGR8888;
312 break;
313 case HAL_PIXEL_FORMAT_RGBX_8888:
314 format = __DRI_IMAGE_FORMAT_XBGR8888;
315 break;
316 case HAL_PIXEL_FORMAT_RGB_888:
317 case HAL_PIXEL_FORMAT_RGBA_5551:
318 case HAL_PIXEL_FORMAT_RGBA_4444:
319 /* unsupported */
320 default:
321 _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format);
322 return NULL;
323 break;
324 }
325
326 dri2_img = calloc(1, sizeof(*dri2_img));
327 if (!dri2_img) {
328 _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
329 return NULL;
330 }
331
332 if (!_eglInitImage(&dri2_img->base, disp)) {
333 free(dri2_img);
334 return NULL;
335 }
336
337 dri2_img->dri_image =
338 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
339 buf->width,
340 buf->height,
341 format,
342 name,
343 buf->stride,
344 dri2_img);
345 if (!dri2_img->dri_image) {
346 free(dri2_img);
347 _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
348 return NULL;
349 }
350
351 return &dri2_img->base;
352 }
353
354 static _EGLImage *
droid_create_image_khr(_EGLDriver * drv,_EGLDisplay * disp,_EGLContext * ctx,EGLenum target,EGLClientBuffer buffer,const EGLint * attr_list)355 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
356 _EGLContext *ctx, EGLenum target,
357 EGLClientBuffer buffer, const EGLint *attr_list)
358 {
359 switch (target) {
360 case EGL_NATIVE_BUFFER_ANDROID:
361 return dri2_create_image_android_native_buffer(disp,
362 (struct ANativeWindowBuffer *) buffer);
363 default:
364 return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
365 }
366 }
367
368 static void
droid_init_driver_functions(_EGLDriver * drv)369 droid_init_driver_functions(_EGLDriver *drv)
370 {
371 drv->API.CreateWindowSurface = droid_create_window_surface;
372 drv->API.CreatePixmapSurface = droid_create_pixmap_surface;
373 drv->API.CreatePbufferSurface = droid_create_pbuffer_surface;
374 drv->API.DestroySurface = droid_destroy_surface;
375 drv->API.SwapBuffers = droid_swap_buffers;
376
377 drv->API.CreateImageKHR = droid_create_image_khr;
378 }
379
380 static void
droid_flush_front_buffer(__DRIdrawable * driDrawable,void * loaderPrivate)381 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
382 {
383 }
384
385 static int
droid_get_buffers_parse_attachments(struct dri2_egl_surface * dri2_surf,unsigned int * attachments,int count)386 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
387 unsigned int *attachments, int count)
388 {
389 int num_buffers = 0, i;
390
391 /* fill dri2_surf->buffers */
392 for (i = 0; i < count * 2; i += 2) {
393 __DRIbuffer *buf, *local;
394
395 assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
396 buf = &dri2_surf->buffers[num_buffers];
397
398 switch (attachments[i]) {
399 case __DRI_BUFFER_BACK_LEFT:
400 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
401 buf->attachment = attachments[i];
402 buf->name = get_native_buffer_name(dri2_surf->buffer);
403 buf->cpp = get_format_bpp(dri2_surf->buffer->format);
404 buf->pitch = dri2_surf->buffer->stride * buf->cpp;
405 buf->flags = 0;
406
407 if (buf->name)
408 num_buffers++;
409
410 break;
411 }
412 /* fall through for pbuffers */
413 case __DRI_BUFFER_DEPTH:
414 case __DRI_BUFFER_STENCIL:
415 case __DRI_BUFFER_ACCUM:
416 case __DRI_BUFFER_DEPTH_STENCIL:
417 case __DRI_BUFFER_HIZ:
418 local = droid_alloc_local_buffer(dri2_surf,
419 attachments[i], attachments[i + 1]);
420
421 if (local) {
422 *buf = *local;
423 num_buffers++;
424 }
425 break;
426 case __DRI_BUFFER_FRONT_LEFT:
427 case __DRI_BUFFER_FRONT_RIGHT:
428 case __DRI_BUFFER_FAKE_FRONT_LEFT:
429 case __DRI_BUFFER_FAKE_FRONT_RIGHT:
430 case __DRI_BUFFER_BACK_RIGHT:
431 default:
432 /* no front or right buffers */
433 break;
434 }
435 }
436
437 return num_buffers;
438 }
439
440 static __DRIbuffer *
droid_get_buffers_with_format(__DRIdrawable * driDrawable,int * width,int * height,unsigned int * attachments,int count,int * out_count,void * loaderPrivate)441 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
442 int *width, int *height,
443 unsigned int *attachments, int count,
444 int *out_count, void *loaderPrivate)
445 {
446 struct dri2_egl_surface *dri2_surf = loaderPrivate;
447 struct dri2_egl_display *dri2_dpy =
448 dri2_egl_display(dri2_surf->base.Resource.Display);
449 int i;
450
451 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
452 /* try to dequeue the next back buffer */
453 if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf))
454 return NULL;
455
456 /* free outdated buffers and update the surface size */
457 if (dri2_surf->base.Width != dri2_surf->buffer->width ||
458 dri2_surf->base.Height != dri2_surf->buffer->height) {
459 droid_free_local_buffers(dri2_surf);
460 dri2_surf->base.Width = dri2_surf->buffer->width;
461 dri2_surf->base.Height = dri2_surf->buffer->height;
462 }
463 }
464
465 dri2_surf->buffer_count =
466 droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
467
468 if (width)
469 *width = dri2_surf->base.Width;
470 if (height)
471 *height = dri2_surf->base.Height;
472
473 *out_count = dri2_surf->buffer_count;;
474
475 return dri2_surf->buffers;
476 }
477
478 static EGLBoolean
droid_add_configs_for_visuals(_EGLDriver * drv,_EGLDisplay * dpy)479 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
480 {
481 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
482 const struct {
483 int format;
484 int size;
485 unsigned int rgba_masks[4];
486 } visuals[] = {
487 { HAL_PIXEL_FORMAT_RGBA_8888, 32, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
488 { HAL_PIXEL_FORMAT_RGBX_8888, 32, { 0xff, 0xff00, 0xff0000, 0x0 } },
489 { HAL_PIXEL_FORMAT_RGB_888, 24, { 0xff, 0xff00, 0xff0000, 0x0 } },
490 { HAL_PIXEL_FORMAT_RGB_565, 16, { 0xf800, 0x7e0, 0x1f, 0x0 } },
491 { HAL_PIXEL_FORMAT_BGRA_8888, 32, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
492 { 0, 0, { 0, 0, 0, 0 } }
493 };
494 int count, i, j;
495
496 count = 0;
497 for (i = 0; visuals[i].format; i++) {
498 int format_count = 0;
499
500 for (j = 0; dri2_dpy->driver_configs[j]; j++) {
501 const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
502 struct dri2_egl_config *dri2_conf;
503 unsigned int double_buffered = 0;
504
505 dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[j],
506 __DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered);
507
508 /* support only double buffered configs */
509 if (!double_buffered)
510 continue;
511
512 dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
513 count + 1, visuals[i].size, surface_type, NULL,
514 visuals[i].rgba_masks);
515 if (dri2_conf) {
516 dri2_conf->base.NativeVisualID = visuals[i].format;
517 dri2_conf->base.NativeVisualType = visuals[i].format;
518 count++;
519 format_count++;
520 }
521 }
522
523 if (!format_count) {
524 _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
525 visuals[i].format);
526 }
527 }
528
529 /* post-process configs */
530 for (i = 0; i < dpy->Configs->Size; i++) {
531 struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
532
533 /* there is no front buffer so no OpenGL */
534 dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
535 dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
536 }
537
538 return (count != 0);
539 }
540
541 static EGLBoolean
droid_get_pci_id(int fd,int * vendor_id,int * chip_id)542 droid_get_pci_id(int fd, int *vendor_id, int *chip_id)
543 {
544 drmVersionPtr version;
545
546 *chip_id = -1;
547
548 version = drmGetVersion(fd);
549 if (!version) {
550 _eglLog(_EGL_WARNING, "invalid drm fd");
551 return EGL_FALSE;
552 }
553 if (!version->name) {
554 _eglLog(_EGL_WARNING, "unable to determine the driver name");
555 drmFreeVersion(version);
556 return EGL_FALSE;
557 }
558
559 if (strcmp(version->name, "i915") == 0) {
560 struct drm_i915_getparam gp;
561 int ret;
562
563 *vendor_id = 0x8086;
564
565 memset(&gp, 0, sizeof(gp));
566 gp.param = I915_PARAM_CHIPSET_ID;
567 gp.value = chip_id;
568 ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
569 if (ret) {
570 _eglLog(_EGL_WARNING, "failed to get param for i915");
571 *chip_id = -1;
572 }
573 }
574 else if (strcmp(version->name, "radeon") == 0) {
575 struct drm_radeon_info info;
576 int ret;
577
578 *vendor_id = 0x1002;
579
580 memset(&info, 0, sizeof(info));
581 info.request = RADEON_INFO_DEVICE_ID;
582 info.value = (unsigned long) chip_id;
583 ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
584 if (ret) {
585 _eglLog(_EGL_WARNING, "failed to get info for radeon");
586 *chip_id = -1;
587 }
588 }
589 else if (strcmp(version->name, "nouveau") == 0) {
590 *vendor_id = 0x10de;
591 /* not used */
592 *chip_id = 0;
593 }
594 else if (strcmp(version->name, "vmwgfx") == 0) {
595 *vendor_id = 0x15ad;
596 /* assume SVGA II */
597 *chip_id = 0x0405;
598 }
599
600 drmFreeVersion(version);
601
602 return (*chip_id >= 0);
603 }
604
605 #define DRIVER_MAP_DRI2_ONLY
606 #include "pci_ids/pci_id_driver_map.h"
607 static const char *
droid_get_driver_name(int fd)608 droid_get_driver_name(int fd)
609 {
610 int vendor_id = -1, chip_id = -1;
611 int idx, i;
612 char *name;
613
614 if (!droid_get_pci_id(fd, &vendor_id, &chip_id))
615 return NULL;
616
617 for (idx = 0; driver_map[idx].driver; idx++) {
618 if (vendor_id != driver_map[idx].vendor_id)
619 continue;
620
621 if (driver_map[idx].num_chips_ids == -1)
622 break;
623
624 for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
625 if (driver_map[idx].chip_ids[i] == chip_id)
626 break;
627 }
628 if (i < driver_map[idx].num_chips_ids)
629 break;
630 }
631
632 _eglLog(_EGL_INFO, "pci id for fd %d: %04x:%04x, driver %s",
633 fd, vendor_id, chip_id, driver_map[idx].driver);
634
635 return driver_map[idx].driver;
636 }
637
638 static int
droid_open_device(void)639 droid_open_device(void)
640 {
641 const hw_module_t *mod;
642 int fd = -1, err;
643
644 err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
645 if (!err) {
646 const gralloc_module_t *gr = (gralloc_module_t *) mod;
647
648 err = -EINVAL;
649 if (gr->perform)
650 err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
651 }
652 if (err || fd < 0) {
653 _eglLog(_EGL_WARNING, "fail to get drm fd");
654 fd = -1;
655 }
656
657 return (fd >= 0) ? dup(fd) : -1;
658 }
659
660 /* support versions < JellyBean */
661 #ifndef ALOGW
662 #define ALOGW LOGW
663 #endif
664 #ifndef ALOGD
665 #define ALOGD LOGD
666 #endif
667 #ifndef ALOGI
668 #define ALOGI LOGI
669 #endif
670
671 static void
droid_log(EGLint level,const char * msg)672 droid_log(EGLint level, const char *msg)
673 {
674 switch (level) {
675 case _EGL_DEBUG:
676 ALOGD("%s", msg);
677 break;
678 case _EGL_INFO:
679 ALOGI("%s", msg);
680 break;
681 case _EGL_WARNING:
682 ALOGW("%s", msg);
683 break;
684 case _EGL_FATAL:
685 LOG_FATAL("%s", msg);
686 break;
687 default:
688 break;
689 }
690 }
691
692 EGLBoolean
dri2_initialize_android(_EGLDriver * drv,_EGLDisplay * dpy)693 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
694 {
695 struct dri2_egl_display *dri2_dpy;
696 const char *err;
697
698 _eglSetLogProc(droid_log);
699
700 dri2_dpy = calloc(1, sizeof(*dri2_dpy));
701 if (!dri2_dpy)
702 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
703
704 dpy->DriverData = (void *) dri2_dpy;
705
706 dri2_dpy->fd = droid_open_device();
707 if (dri2_dpy->fd < 0) {
708 err = "DRI2: failed to open device";
709 goto cleanup_display;
710 }
711
712 dri2_dpy->driver_name = (char *) droid_get_driver_name(dri2_dpy->fd);
713 if (dri2_dpy->driver_name == NULL) {
714 err = "DRI2: failed to get driver name";
715 goto cleanup_device;
716 }
717
718 if (!dri2_load_driver(dpy)) {
719 err = "DRI2: failed to load driver";
720 goto cleanup_device;
721 }
722
723 dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
724 dri2_dpy->dri2_loader_extension.base.version = 3;
725 dri2_dpy->dri2_loader_extension.getBuffers = NULL;
726 dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
727 dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
728 droid_get_buffers_with_format;
729
730 dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
731 dri2_dpy->extensions[1] = &image_lookup_extension.base;
732 dri2_dpy->extensions[2] = &use_invalidate.base;
733 dri2_dpy->extensions[3] = NULL;
734
735 if (!dri2_create_screen(dpy)) {
736 err = "DRI2: failed to create screen";
737 goto cleanup_driver;
738 }
739
740 if (!droid_add_configs_for_visuals(drv, dpy)) {
741 err = "DRI2: failed to add configs";
742 goto cleanup_screen;
743 }
744
745 dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
746 dpy->Extensions.KHR_image_base = EGL_TRUE;
747
748 /* we're supporting EGL 1.4 */
749 dpy->VersionMajor = 1;
750 dpy->VersionMinor = 4;
751
752 droid_init_driver_functions(drv);
753
754 return EGL_TRUE;
755
756 cleanup_screen:
757 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
758 cleanup_driver:
759 dlclose(dri2_dpy->driver);
760 cleanup_device:
761 close(dri2_dpy->fd);
762 cleanup_display:
763 free(dri2_dpy);
764
765 return _eglError(EGL_NOT_INITIALIZED, err);
766 }
767