• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  ** Copyright 2007, The Android Open Source Project
3  **
4  ** Licensed under the Apache License, Version 2.0 (the "License");
5  ** you may not use this file except in compliance with the License.
6  ** You may obtain a copy of the License at
7  **
8  **     http://www.apache.org/licenses/LICENSE-2.0
9  **
10  ** Unless required by applicable law or agreed to in writing, software
11  ** distributed under the License is distributed on an "AS IS" BASIS,
12  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  ** See the License for the specific language governing permissions and
14  ** limitations under the License.
15  */
16 
17 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
18 
19 #include <dlfcn.h>
20 #include <ctype.h>
21 #include <stdlib.h>
22 #include <string.h>
23 
24 #include <hardware/gralloc.h>
25 #include <system/window.h>
26 
27 #include <EGL/egl.h>
28 #include <EGL/eglext.h>
29 
30 #include <cutils/log.h>
31 #include <cutils/atomic.h>
32 #include <cutils/compiler.h>
33 #include <cutils/properties.h>
34 #include <cutils/memory.h>
35 
36 #include <ui/GraphicBuffer.h>
37 
38 #include <utils/KeyedVector.h>
39 #include <utils/SortedVector.h>
40 #include <utils/String8.h>
41 #include <utils/Trace.h>
42 
43 #include "../egl_impl.h"
44 #include "../hooks.h"
45 
46 #include "egl_display.h"
47 #include "egl_object.h"
48 #include "egl_tls.h"
49 #include "egldefs.h"
50 
51 using namespace android;
52 
53 // This extension has not been ratified yet, so can't be shipped.
54 // Implementation is incomplete and untested.
55 #define ENABLE_EGL_KHR_GL_COLORSPACE 0
56 
57 // ----------------------------------------------------------------------------
58 
59 namespace android {
60 
61 struct extention_map_t {
62     const char* name;
63     __eglMustCastToProperFunctionPointerType address;
64 };
65 
66 /*
67  * This is the list of EGL extensions exposed to applications.
68  *
69  * Some of them (gBuiltinExtensionString) are implemented entirely in this EGL
70  * wrapper and are always available.
71  *
72  * The rest (gExtensionString) depend on support in the EGL driver, and are
73  * only available if the driver supports them. However, some of these must be
74  * supported because they are used by the Android system itself; these are
75  * listed as mandatory below and are required by the CDD. The system *assumes*
76  * the mandatory extensions are present and may not function properly if some
77  * are missing.
78  *
79  * NOTE: Both strings MUST have a single space as the last character.
80  */
81 extern char const * const gBuiltinExtensionString =
82         "EGL_KHR_get_all_proc_addresses "
83         "EGL_ANDROID_presentation_time "
84         "EGL_KHR_swap_buffers_with_damage "
85         "EGL_ANDROID_create_native_client_buffer "
86         "EGL_ANDROID_front_buffer_auto_refresh "
87         ;
88 extern char const * const gExtensionString  =
89         "EGL_KHR_image "                        // mandatory
90         "EGL_KHR_image_base "                   // mandatory
91         "EGL_KHR_image_pixmap "
92         "EGL_KHR_lock_surface "
93 #if (ENABLE_EGL_KHR_GL_COLORSPACE != 0)
94         "EGL_KHR_gl_colorspace "
95 #endif
96         "EGL_KHR_gl_texture_2D_image "
97         "EGL_KHR_gl_texture_3D_image "
98         "EGL_KHR_gl_texture_cubemap_image "
99         "EGL_KHR_gl_renderbuffer_image "
100         "EGL_KHR_reusable_sync "
101         "EGL_KHR_fence_sync "
102         "EGL_KHR_create_context "
103         "EGL_KHR_config_attribs "
104         "EGL_KHR_surfaceless_context "
105         "EGL_KHR_stream "
106         "EGL_KHR_stream_fifo "
107         "EGL_KHR_stream_producer_eglsurface "
108         "EGL_KHR_stream_consumer_gltexture "
109         "EGL_KHR_stream_cross_process_fd "
110         "EGL_EXT_create_context_robustness "
111         "EGL_NV_system_time "
112         "EGL_ANDROID_image_native_buffer "      // mandatory
113         "EGL_KHR_wait_sync "                    // strongly recommended
114         "EGL_ANDROID_recordable "               // mandatory
115         "EGL_KHR_partial_update "               // strongly recommended
116         "EGL_EXT_buffer_age "                   // strongly recommended with partial_update
117         "EGL_KHR_create_context_no_error "
118         "EGL_KHR_mutable_render_buffer "
119         "EGL_EXT_yuv_surface "
120         "EGL_EXT_protected_content "
121         ;
122 
123 // extensions not exposed to applications but used by the ANDROID system
124 //      "EGL_ANDROID_blob_cache "               // strongly recommended
125 //      "EGL_IMG_hibernate_process "            // optional
126 //      "EGL_ANDROID_native_fence_sync "        // strongly recommended
127 //      "EGL_ANDROID_framebuffer_target "       // mandatory for HWC 1.1
128 //      "EGL_ANDROID_image_crop "               // optional
129 
130 /*
131  * EGL Extensions entry-points exposed to 3rd party applications
132  * (keep in sync with gExtensionString above)
133  *
134  */
135 static const extention_map_t sExtensionMap[] = {
136     // EGL_KHR_lock_surface
137     { "eglLockSurfaceKHR",
138             (__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR },
139     { "eglUnlockSurfaceKHR",
140             (__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR },
141 
142     // EGL_KHR_image, EGL_KHR_image_base
143     { "eglCreateImageKHR",
144             (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR },
145     { "eglDestroyImageKHR",
146             (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR },
147 
148     // EGL_KHR_reusable_sync, EGL_KHR_fence_sync
149     { "eglCreateSyncKHR",
150             (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR },
151     { "eglDestroySyncKHR",
152             (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR },
153     { "eglClientWaitSyncKHR",
154             (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR },
155     { "eglSignalSyncKHR",
156             (__eglMustCastToProperFunctionPointerType)&eglSignalSyncKHR },
157     { "eglGetSyncAttribKHR",
158             (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR },
159 
160     // EGL_NV_system_time
161     { "eglGetSystemTimeFrequencyNV",
162             (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV },
163     { "eglGetSystemTimeNV",
164             (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV },
165 
166     // EGL_KHR_wait_sync
167     { "eglWaitSyncKHR",
168             (__eglMustCastToProperFunctionPointerType)&eglWaitSyncKHR },
169 
170     // EGL_ANDROID_presentation_time
171     { "eglPresentationTimeANDROID",
172             (__eglMustCastToProperFunctionPointerType)&eglPresentationTimeANDROID },
173 
174     // EGL_KHR_swap_buffers_with_damage
175     { "eglSwapBuffersWithDamageKHR",
176             (__eglMustCastToProperFunctionPointerType)&eglSwapBuffersWithDamageKHR },
177 
178     // EGL_ANDROID_native_client_buffer
179     { "eglCreateNativeClientBufferANDROID",
180             (__eglMustCastToProperFunctionPointerType)&eglCreateNativeClientBufferANDROID },
181 
182     // EGL_KHR_partial_update
183     { "eglSetDamageRegionKHR",
184             (__eglMustCastToProperFunctionPointerType)&eglSetDamageRegionKHR },
185 
186     { "eglCreateStreamKHR",
187             (__eglMustCastToProperFunctionPointerType)&eglCreateStreamKHR },
188     { "eglDestroyStreamKHR",
189             (__eglMustCastToProperFunctionPointerType)&eglDestroyStreamKHR },
190     { "eglStreamAttribKHR",
191             (__eglMustCastToProperFunctionPointerType)&eglStreamAttribKHR },
192     { "eglQueryStreamKHR",
193             (__eglMustCastToProperFunctionPointerType)&eglQueryStreamKHR },
194     { "eglQueryStreamu64KHR",
195             (__eglMustCastToProperFunctionPointerType)&eglQueryStreamu64KHR },
196     { "eglQueryStreamTimeKHR",
197             (__eglMustCastToProperFunctionPointerType)&eglQueryStreamTimeKHR },
198     { "eglCreateStreamProducerSurfaceKHR",
199             (__eglMustCastToProperFunctionPointerType)&eglCreateStreamProducerSurfaceKHR },
200     { "eglStreamConsumerGLTextureExternalKHR",
201             (__eglMustCastToProperFunctionPointerType)&eglStreamConsumerGLTextureExternalKHR },
202     { "eglStreamConsumerAcquireKHR",
203             (__eglMustCastToProperFunctionPointerType)&eglStreamConsumerAcquireKHR },
204     { "eglStreamConsumerReleaseKHR",
205             (__eglMustCastToProperFunctionPointerType)&eglStreamConsumerReleaseKHR },
206     { "eglGetStreamFileDescriptorKHR",
207             (__eglMustCastToProperFunctionPointerType)&eglGetStreamFileDescriptorKHR },
208     { "eglCreateStreamFromFileDescriptorKHR",
209             (__eglMustCastToProperFunctionPointerType)&eglCreateStreamFromFileDescriptorKHR },
210 };
211 
212 /*
213  * These extensions entry-points should not be exposed to applications.
214  * They're used internally by the Android EGL layer.
215  */
216 #define FILTER_EXTENSIONS(procname) \
217         (!strcmp((procname), "eglSetBlobCacheFuncsANDROID") ||    \
218          !strcmp((procname), "eglHibernateProcessIMG")      ||    \
219          !strcmp((procname), "eglAwakenProcessIMG")         ||    \
220          !strcmp((procname), "eglDupNativeFenceFDANDROID"))
221 
222 
223 
224 // accesses protected by sExtensionMapMutex
225 static DefaultKeyedVector<String8, __eglMustCastToProperFunctionPointerType> sGLExtentionMap;
226 static int sGLExtentionSlot = 0;
227 static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER;
228 
findProcAddress(const char * name,const extention_map_t * map,size_t n)229 static void(*findProcAddress(const char* name,
230         const extention_map_t* map, size_t n))() {
231     for (uint32_t i=0 ; i<n ; i++) {
232         if (!strcmp(name, map[i].name)) {
233             return map[i].address;
234         }
235     }
236     return NULL;
237 }
238 
239 // ----------------------------------------------------------------------------
240 
241 extern void setGLHooksThreadSpecific(gl_hooks_t const *value);
242 extern EGLBoolean egl_init_drivers();
243 extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS];
244 extern gl_hooks_t gHooksTrace;
245 
246 } // namespace android;
247 
248 
249 // ----------------------------------------------------------------------------
250 
clearError()251 static inline void clearError() { egl_tls_t::clearError(); }
getContext()252 static inline EGLContext getContext() { return egl_tls_t::getContext(); }
253 
254 // ----------------------------------------------------------------------------
255 
eglGetDisplay(EGLNativeDisplayType display)256 EGLDisplay eglGetDisplay(EGLNativeDisplayType display)
257 {
258     clearError();
259 
260     uintptr_t index = reinterpret_cast<uintptr_t>(display);
261     if (index >= NUM_DISPLAYS) {
262         return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
263     }
264 
265     if (egl_init_drivers() == EGL_FALSE) {
266         return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
267     }
268 
269     EGLDisplay dpy = egl_display_t::getFromNativeDisplay(display);
270     return dpy;
271 }
272 
273 // ----------------------------------------------------------------------------
274 // Initialization
275 // ----------------------------------------------------------------------------
276 
eglInitialize(EGLDisplay dpy,EGLint * major,EGLint * minor)277 EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
278 {
279     clearError();
280 
281     egl_display_ptr dp = get_display(dpy);
282     if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
283 
284     EGLBoolean res = dp->initialize(major, minor);
285 
286     return res;
287 }
288 
eglTerminate(EGLDisplay dpy)289 EGLBoolean eglTerminate(EGLDisplay dpy)
290 {
291     // NOTE: don't unload the drivers b/c some APIs can be called
292     // after eglTerminate() has been called. eglTerminate() only
293     // terminates an EGLDisplay, not a EGL itself.
294 
295     clearError();
296 
297     egl_display_ptr dp = get_display(dpy);
298     if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
299 
300     EGLBoolean res = dp->terminate();
301 
302     return res;
303 }
304 
305 // ----------------------------------------------------------------------------
306 // configuration
307 // ----------------------------------------------------------------------------
308 
eglGetConfigs(EGLDisplay dpy,EGLConfig * configs,EGLint config_size,EGLint * num_config)309 EGLBoolean eglGetConfigs(   EGLDisplay dpy,
310                             EGLConfig *configs,
311                             EGLint config_size, EGLint *num_config)
312 {
313     clearError();
314 
315     const egl_display_ptr dp = validate_display(dpy);
316     if (!dp) return EGL_FALSE;
317 
318     if (num_config==0) {
319         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
320     }
321 
322     EGLBoolean res = EGL_FALSE;
323     *num_config = 0;
324 
325     egl_connection_t* const cnx = &gEGLImpl;
326     if (cnx->dso) {
327         res = cnx->egl.eglGetConfigs(
328                 dp->disp.dpy, configs, config_size, num_config);
329     }
330 
331     return res;
332 }
333 
eglChooseConfig(EGLDisplay dpy,const EGLint * attrib_list,EGLConfig * configs,EGLint config_size,EGLint * num_config)334 EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
335                             EGLConfig *configs, EGLint config_size,
336                             EGLint *num_config)
337 {
338     clearError();
339 
340     const egl_display_ptr dp = validate_display(dpy);
341     if (!dp) return EGL_FALSE;
342 
343     if (num_config==0) {
344         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
345     }
346 
347     EGLBoolean res = EGL_FALSE;
348     *num_config = 0;
349 
350     egl_connection_t* const cnx = &gEGLImpl;
351     if (cnx->dso) {
352         if (attrib_list) {
353             char value[PROPERTY_VALUE_MAX];
354             property_get("debug.egl.force_msaa", value, "false");
355 
356             if (!strcmp(value, "true")) {
357                 size_t attribCount = 0;
358                 EGLint attrib = attrib_list[0];
359 
360                 // Only enable MSAA if the context is OpenGL ES 2.0 and
361                 // if no caveat is requested
362                 const EGLint *attribRendererable = NULL;
363                 const EGLint *attribCaveat = NULL;
364 
365                 // Count the number of attributes and look for
366                 // EGL_RENDERABLE_TYPE and EGL_CONFIG_CAVEAT
367                 while (attrib != EGL_NONE) {
368                     attrib = attrib_list[attribCount];
369                     switch (attrib) {
370                         case EGL_RENDERABLE_TYPE:
371                             attribRendererable = &attrib_list[attribCount];
372                             break;
373                         case EGL_CONFIG_CAVEAT:
374                             attribCaveat = &attrib_list[attribCount];
375                             break;
376                     }
377                     attribCount++;
378                 }
379 
380                 if (attribRendererable && attribRendererable[1] == EGL_OPENGL_ES2_BIT &&
381                         (!attribCaveat || attribCaveat[1] != EGL_NONE)) {
382 
383                     // Insert 2 extra attributes to force-enable MSAA 4x
384                     EGLint aaAttribs[attribCount + 4];
385                     aaAttribs[0] = EGL_SAMPLE_BUFFERS;
386                     aaAttribs[1] = 1;
387                     aaAttribs[2] = EGL_SAMPLES;
388                     aaAttribs[3] = 4;
389 
390                     memcpy(&aaAttribs[4], attrib_list, attribCount * sizeof(EGLint));
391 
392                     EGLint numConfigAA;
393                     EGLBoolean resAA = cnx->egl.eglChooseConfig(
394                             dp->disp.dpy, aaAttribs, configs, config_size, &numConfigAA);
395 
396                     if (resAA == EGL_TRUE && numConfigAA > 0) {
397                         ALOGD("Enabling MSAA 4x");
398                         *num_config = numConfigAA;
399                         return resAA;
400                     }
401                 }
402             }
403         }
404 
405         res = cnx->egl.eglChooseConfig(
406                 dp->disp.dpy, attrib_list, configs, config_size, num_config);
407     }
408     return res;
409 }
410 
eglGetConfigAttrib(EGLDisplay dpy,EGLConfig config,EGLint attribute,EGLint * value)411 EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
412         EGLint attribute, EGLint *value)
413 {
414     clearError();
415 
416     egl_connection_t* cnx = NULL;
417     const egl_display_ptr dp = validate_display_connection(dpy, cnx);
418     if (!dp) return EGL_FALSE;
419 
420     return cnx->egl.eglGetConfigAttrib(
421             dp->disp.dpy, config, attribute, value);
422 }
423 
424 // ----------------------------------------------------------------------------
425 // surfaces
426 // ----------------------------------------------------------------------------
427 
428 // The EGL_KHR_gl_colorspace spec hasn't been ratified yet, so these haven't
429 // been added to the Khronos egl.h.
430 #define EGL_GL_COLORSPACE_KHR           EGL_VG_COLORSPACE
431 #define EGL_GL_COLORSPACE_SRGB_KHR      EGL_VG_COLORSPACE_sRGB
432 #define EGL_GL_COLORSPACE_LINEAR_KHR    EGL_VG_COLORSPACE_LINEAR
433 
434 // Turn linear formats into corresponding sRGB formats when colorspace is
435 // EGL_GL_COLORSPACE_SRGB_KHR, or turn sRGB formats into corresponding linear
436 // formats when colorspace is EGL_GL_COLORSPACE_LINEAR_KHR. In any cases where
437 // the modification isn't possible, the original dataSpace is returned.
modifyBufferDataspace(android_dataspace dataSpace,EGLint colorspace)438 static android_dataspace modifyBufferDataspace( android_dataspace dataSpace,
439                                                 EGLint colorspace) {
440     if (colorspace == EGL_GL_COLORSPACE_LINEAR_KHR) {
441         return HAL_DATASPACE_SRGB_LINEAR;
442     } else if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR) {
443         return HAL_DATASPACE_SRGB;
444     }
445     return dataSpace;
446 }
447 
eglCreateWindowSurface(EGLDisplay dpy,EGLConfig config,NativeWindowType window,const EGLint * attrib_list)448 EGLSurface eglCreateWindowSurface(  EGLDisplay dpy, EGLConfig config,
449                                     NativeWindowType window,
450                                     const EGLint *attrib_list)
451 {
452     clearError();
453 
454     egl_connection_t* cnx = NULL;
455     egl_display_ptr dp = validate_display_connection(dpy, cnx);
456     if (dp) {
457         EGLDisplay iDpy = dp->disp.dpy;
458 
459         int result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
460         if (result != OK) {
461             ALOGE("eglCreateWindowSurface: native_window_api_connect (win=%p) "
462                     "failed (%#x) (already connected to another API?)",
463                     window, result);
464             return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
465         }
466 
467         // Set the native window's buffers format to match what this config requests.
468         // Whether to use sRGB gamma is not part of the EGLconfig, but is part
469         // of our native format. So if sRGB gamma is requested, we have to
470         // modify the EGLconfig's format before setting the native window's
471         // format.
472 
473         // by default, just pick RGBA_8888
474         EGLint format = HAL_PIXEL_FORMAT_RGBA_8888;
475         android_dataspace dataSpace = HAL_DATASPACE_UNKNOWN;
476 
477         EGLint a = 0;
478         cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_ALPHA_SIZE, &a);
479         if (a > 0) {
480             // alpha-channel requested, there's really only one suitable format
481             format = HAL_PIXEL_FORMAT_RGBA_8888;
482         } else {
483             EGLint r, g, b;
484             r = g = b = 0;
485             cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_RED_SIZE,   &r);
486             cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_GREEN_SIZE, &g);
487             cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_BLUE_SIZE,  &b);
488             EGLint colorDepth = r + g + b;
489             if (colorDepth <= 16) {
490                 format = HAL_PIXEL_FORMAT_RGB_565;
491             } else {
492                 format = HAL_PIXEL_FORMAT_RGBX_8888;
493             }
494         }
495 
496         // now select a corresponding sRGB format if needed
497         if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
498             for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
499                 if (*attr == EGL_GL_COLORSPACE_KHR) {
500                     if (ENABLE_EGL_KHR_GL_COLORSPACE) {
501                         dataSpace = modifyBufferDataspace(dataSpace, *(attr+1));
502                     } else {
503                         // Normally we'd pass through unhandled attributes to
504                         // the driver. But in case the driver implements this
505                         // extension but we're disabling it, we want to prevent
506                         // it getting through -- support will be broken without
507                         // our help.
508                         ALOGE("sRGB window surfaces not supported");
509                         return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
510                     }
511                 }
512             }
513         }
514 
515         if (format != 0) {
516             int err = native_window_set_buffers_format(window, format);
517             if (err != 0) {
518                 ALOGE("error setting native window pixel format: %s (%d)",
519                         strerror(-err), err);
520                 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
521                 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
522             }
523         }
524 
525         if (dataSpace != 0) {
526             int err = native_window_set_buffers_data_space(window, dataSpace);
527             if (err != 0) {
528                 ALOGE("error setting native window pixel dataSpace: %s (%d)",
529                         strerror(-err), err);
530                 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
531                 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
532             }
533         }
534 
535         // the EGL spec requires that a new EGLSurface default to swap interval
536         // 1, so explicitly set that on the window here.
537         ANativeWindow* anw = reinterpret_cast<ANativeWindow*>(window);
538         anw->setSwapInterval(anw, 1);
539 
540         EGLSurface surface = cnx->egl.eglCreateWindowSurface(
541                 iDpy, config, window, attrib_list);
542         if (surface != EGL_NO_SURFACE) {
543             egl_surface_t* s = new egl_surface_t(dp.get(), config, window,
544                     surface, cnx);
545             return s;
546         }
547 
548         // EGLSurface creation failed
549         native_window_set_buffers_format(window, 0);
550         native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
551     }
552     return EGL_NO_SURFACE;
553 }
554 
eglCreatePixmapSurface(EGLDisplay dpy,EGLConfig config,NativePixmapType pixmap,const EGLint * attrib_list)555 EGLSurface eglCreatePixmapSurface(  EGLDisplay dpy, EGLConfig config,
556                                     NativePixmapType pixmap,
557                                     const EGLint *attrib_list)
558 {
559     clearError();
560 
561     egl_connection_t* cnx = NULL;
562     egl_display_ptr dp = validate_display_connection(dpy, cnx);
563     if (dp) {
564         EGLSurface surface = cnx->egl.eglCreatePixmapSurface(
565                 dp->disp.dpy, config, pixmap, attrib_list);
566         if (surface != EGL_NO_SURFACE) {
567             egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
568                     surface, cnx);
569             return s;
570         }
571     }
572     return EGL_NO_SURFACE;
573 }
574 
eglCreatePbufferSurface(EGLDisplay dpy,EGLConfig config,const EGLint * attrib_list)575 EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
576                                     const EGLint *attrib_list)
577 {
578     clearError();
579 
580     egl_connection_t* cnx = NULL;
581     egl_display_ptr dp = validate_display_connection(dpy, cnx);
582     if (dp) {
583         EGLSurface surface = cnx->egl.eglCreatePbufferSurface(
584                 dp->disp.dpy, config, attrib_list);
585         if (surface != EGL_NO_SURFACE) {
586             egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
587                     surface, cnx);
588             return s;
589         }
590     }
591     return EGL_NO_SURFACE;
592 }
593 
eglDestroySurface(EGLDisplay dpy,EGLSurface surface)594 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
595 {
596     clearError();
597 
598     const egl_display_ptr dp = validate_display(dpy);
599     if (!dp) return EGL_FALSE;
600 
601     SurfaceRef _s(dp.get(), surface);
602     if (!_s.get())
603         return setError(EGL_BAD_SURFACE, EGL_FALSE);
604 
605     egl_surface_t * const s = get_surface(surface);
606     EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
607     if (result == EGL_TRUE) {
608         _s.terminate();
609     }
610     return result;
611 }
612 
eglQuerySurface(EGLDisplay dpy,EGLSurface surface,EGLint attribute,EGLint * value)613 EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
614                             EGLint attribute, EGLint *value)
615 {
616     clearError();
617 
618     const egl_display_ptr dp = validate_display(dpy);
619     if (!dp) return EGL_FALSE;
620 
621     SurfaceRef _s(dp.get(), surface);
622     if (!_s.get())
623         return setError(EGL_BAD_SURFACE, EGL_FALSE);
624 
625     egl_surface_t const * const s = get_surface(surface);
626     return s->cnx->egl.eglQuerySurface(
627             dp->disp.dpy, s->surface, attribute, value);
628 }
629 
eglBeginFrame(EGLDisplay dpy,EGLSurface surface)630 void EGLAPI eglBeginFrame(EGLDisplay dpy, EGLSurface surface) {
631     ATRACE_CALL();
632     clearError();
633 
634     const egl_display_ptr dp = validate_display(dpy);
635     if (!dp) {
636         return;
637     }
638 
639     SurfaceRef _s(dp.get(), surface);
640     if (!_s.get()) {
641         setError(EGL_BAD_SURFACE, EGL_FALSE);
642         return;
643     }
644 }
645 
646 // ----------------------------------------------------------------------------
647 // Contexts
648 // ----------------------------------------------------------------------------
649 
eglCreateContext(EGLDisplay dpy,EGLConfig config,EGLContext share_list,const EGLint * attrib_list)650 EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
651                             EGLContext share_list, const EGLint *attrib_list)
652 {
653     clearError();
654 
655     egl_connection_t* cnx = NULL;
656     const egl_display_ptr dp = validate_display_connection(dpy, cnx);
657     if (dp) {
658         if (share_list != EGL_NO_CONTEXT) {
659             if (!ContextRef(dp.get(), share_list).get()) {
660                 return setError(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
661             }
662             egl_context_t* const c = get_context(share_list);
663             share_list = c->context;
664         }
665         EGLContext context = cnx->egl.eglCreateContext(
666                 dp->disp.dpy, config, share_list, attrib_list);
667         if (context != EGL_NO_CONTEXT) {
668             // figure out if it's a GLESv1 or GLESv2
669             int version = 0;
670             if (attrib_list) {
671                 while (*attrib_list != EGL_NONE) {
672                     GLint attr = *attrib_list++;
673                     GLint value = *attrib_list++;
674                     if (attr == EGL_CONTEXT_CLIENT_VERSION) {
675                         if (value == 1) {
676                             version = egl_connection_t::GLESv1_INDEX;
677                         } else if (value == 2 || value == 3) {
678                             version = egl_connection_t::GLESv2_INDEX;
679                         }
680                     }
681                 };
682             }
683             egl_context_t* c = new egl_context_t(dpy, context, config, cnx,
684                     version);
685             return c;
686         }
687     }
688     return EGL_NO_CONTEXT;
689 }
690 
eglDestroyContext(EGLDisplay dpy,EGLContext ctx)691 EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
692 {
693     clearError();
694 
695     const egl_display_ptr dp = validate_display(dpy);
696     if (!dp)
697         return EGL_FALSE;
698 
699     ContextRef _c(dp.get(), ctx);
700     if (!_c.get())
701         return setError(EGL_BAD_CONTEXT, EGL_FALSE);
702 
703     egl_context_t * const c = get_context(ctx);
704     EGLBoolean result = c->cnx->egl.eglDestroyContext(dp->disp.dpy, c->context);
705     if (result == EGL_TRUE) {
706         _c.terminate();
707     }
708     return result;
709 }
710 
eglMakeCurrent(EGLDisplay dpy,EGLSurface draw,EGLSurface read,EGLContext ctx)711 EGLBoolean eglMakeCurrent(  EGLDisplay dpy, EGLSurface draw,
712                             EGLSurface read, EGLContext ctx)
713 {
714     clearError();
715 
716     egl_display_ptr dp = validate_display(dpy);
717     if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
718 
719     // If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not
720     // EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is
721     // a valid but uninitialized display.
722     if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) ||
723          (draw != EGL_NO_SURFACE) ) {
724         if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
725     }
726 
727     // get a reference to the object passed in
728     ContextRef _c(dp.get(), ctx);
729     SurfaceRef _d(dp.get(), draw);
730     SurfaceRef _r(dp.get(), read);
731 
732     // validate the context (if not EGL_NO_CONTEXT)
733     if ((ctx != EGL_NO_CONTEXT) && !_c.get()) {
734         // EGL_NO_CONTEXT is valid
735         return setError(EGL_BAD_CONTEXT, EGL_FALSE);
736     }
737 
738     // these are the underlying implementation's object
739     EGLContext impl_ctx  = EGL_NO_CONTEXT;
740     EGLSurface impl_draw = EGL_NO_SURFACE;
741     EGLSurface impl_read = EGL_NO_SURFACE;
742 
743     // these are our objects structs passed in
744     egl_context_t       * c = NULL;
745     egl_surface_t const * d = NULL;
746     egl_surface_t const * r = NULL;
747 
748     // these are the current objects structs
749     egl_context_t * cur_c = get_context(getContext());
750 
751     if (ctx != EGL_NO_CONTEXT) {
752         c = get_context(ctx);
753         impl_ctx = c->context;
754     } else {
755         // no context given, use the implementation of the current context
756         if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
757             // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
758             return setError(EGL_BAD_MATCH, EGL_FALSE);
759         }
760         if (cur_c == NULL) {
761             // no current context
762             // not an error, there is just no current context.
763             return EGL_TRUE;
764         }
765     }
766 
767     // retrieve the underlying implementation's draw EGLSurface
768     if (draw != EGL_NO_SURFACE) {
769         if (!_d.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
770         d = get_surface(draw);
771         impl_draw = d->surface;
772     }
773 
774     // retrieve the underlying implementation's read EGLSurface
775     if (read != EGL_NO_SURFACE) {
776         if (!_r.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
777         r = get_surface(read);
778         impl_read = r->surface;
779     }
780 
781 
782     EGLBoolean result = dp->makeCurrent(c, cur_c,
783             draw, read, ctx,
784             impl_draw, impl_read, impl_ctx);
785 
786     if (result == EGL_TRUE) {
787         if (c) {
788             setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
789             egl_tls_t::setContext(ctx);
790             _c.acquire();
791             _r.acquire();
792             _d.acquire();
793         } else {
794             setGLHooksThreadSpecific(&gHooksNoContext);
795             egl_tls_t::setContext(EGL_NO_CONTEXT);
796         }
797     } else {
798         // this will ALOGE the error
799         egl_connection_t* const cnx = &gEGLImpl;
800         result = setError(cnx->egl.eglGetError(), EGL_FALSE);
801     }
802     return result;
803 }
804 
805 
eglQueryContext(EGLDisplay dpy,EGLContext ctx,EGLint attribute,EGLint * value)806 EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
807                             EGLint attribute, EGLint *value)
808 {
809     clearError();
810 
811     const egl_display_ptr dp = validate_display(dpy);
812     if (!dp) return EGL_FALSE;
813 
814     ContextRef _c(dp.get(), ctx);
815     if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
816 
817     egl_context_t * const c = get_context(ctx);
818     return c->cnx->egl.eglQueryContext(
819             dp->disp.dpy, c->context, attribute, value);
820 
821 }
822 
eglGetCurrentContext(void)823 EGLContext eglGetCurrentContext(void)
824 {
825     // could be called before eglInitialize(), but we wouldn't have a context
826     // then, and this function would correctly return EGL_NO_CONTEXT.
827 
828     clearError();
829 
830     EGLContext ctx = getContext();
831     return ctx;
832 }
833 
eglGetCurrentSurface(EGLint readdraw)834 EGLSurface eglGetCurrentSurface(EGLint readdraw)
835 {
836     // could be called before eglInitialize(), but we wouldn't have a context
837     // then, and this function would correctly return EGL_NO_SURFACE.
838 
839     clearError();
840 
841     EGLContext ctx = getContext();
842     if (ctx) {
843         egl_context_t const * const c = get_context(ctx);
844         if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
845         switch (readdraw) {
846             case EGL_READ: return c->read;
847             case EGL_DRAW: return c->draw;
848             default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
849         }
850     }
851     return EGL_NO_SURFACE;
852 }
853 
eglGetCurrentDisplay(void)854 EGLDisplay eglGetCurrentDisplay(void)
855 {
856     // could be called before eglInitialize(), but we wouldn't have a context
857     // then, and this function would correctly return EGL_NO_DISPLAY.
858 
859     clearError();
860 
861     EGLContext ctx = getContext();
862     if (ctx) {
863         egl_context_t const * const c = get_context(ctx);
864         if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
865         return c->dpy;
866     }
867     return EGL_NO_DISPLAY;
868 }
869 
eglWaitGL(void)870 EGLBoolean eglWaitGL(void)
871 {
872     clearError();
873 
874     egl_connection_t* const cnx = &gEGLImpl;
875     if (!cnx->dso)
876         return setError(EGL_BAD_CONTEXT, EGL_FALSE);
877 
878     return cnx->egl.eglWaitGL();
879 }
880 
eglWaitNative(EGLint engine)881 EGLBoolean eglWaitNative(EGLint engine)
882 {
883     clearError();
884 
885     egl_connection_t* const cnx = &gEGLImpl;
886     if (!cnx->dso)
887         return setError(EGL_BAD_CONTEXT, EGL_FALSE);
888 
889     return cnx->egl.eglWaitNative(engine);
890 }
891 
eglGetError(void)892 EGLint eglGetError(void)
893 {
894     EGLint err = EGL_SUCCESS;
895     egl_connection_t* const cnx = &gEGLImpl;
896     if (cnx->dso) {
897         err = cnx->egl.eglGetError();
898     }
899     if (err == EGL_SUCCESS) {
900         err = egl_tls_t::getError();
901     }
902     return err;
903 }
904 
findBuiltinWrapper(const char * procname)905 static __eglMustCastToProperFunctionPointerType findBuiltinWrapper(
906         const char* procname) {
907     const egl_connection_t* cnx = &gEGLImpl;
908     void* proc = NULL;
909 
910     proc = dlsym(cnx->libEgl, procname);
911     if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
912 
913     proc = dlsym(cnx->libGles2, procname);
914     if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
915 
916     proc = dlsym(cnx->libGles1, procname);
917     if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
918 
919     return NULL;
920 }
921 
eglGetProcAddress(const char * procname)922 __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
923 {
924     // eglGetProcAddress() could be the very first function called
925     // in which case we must make sure we've initialized ourselves, this
926     // happens the first time egl_get_display() is called.
927 
928     clearError();
929 
930     if (egl_init_drivers() == EGL_FALSE) {
931         setError(EGL_BAD_PARAMETER, NULL);
932         return  NULL;
933     }
934 
935     if (FILTER_EXTENSIONS(procname)) {
936         return NULL;
937     }
938 
939     __eglMustCastToProperFunctionPointerType addr;
940     addr = findProcAddress(procname, sExtensionMap, NELEM(sExtensionMap));
941     if (addr) return addr;
942 
943     addr = findBuiltinWrapper(procname);
944     if (addr) return addr;
945 
946     // this protects accesses to sGLExtentionMap and sGLExtentionSlot
947     pthread_mutex_lock(&sExtensionMapMutex);
948 
949         /*
950          * Since eglGetProcAddress() is not associated to anything, it needs
951          * to return a function pointer that "works" regardless of what
952          * the current context is.
953          *
954          * For this reason, we return a "forwarder", a small stub that takes
955          * care of calling the function associated with the context
956          * currently bound.
957          *
958          * We first look for extensions we've already resolved, if we're seeing
959          * this extension for the first time, we go through all our
960          * implementations and call eglGetProcAddress() and record the
961          * result in the appropriate implementation hooks and return the
962          * address of the forwarder corresponding to that hook set.
963          *
964          */
965 
966         const String8 name(procname);
967         addr = sGLExtentionMap.valueFor(name);
968         const int slot = sGLExtentionSlot;
969 
970         ALOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS,
971                 "no more slots for eglGetProcAddress(\"%s\")",
972                 procname);
973 
974         if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) {
975             bool found = false;
976 
977             egl_connection_t* const cnx = &gEGLImpl;
978             if (cnx->dso && cnx->egl.eglGetProcAddress) {
979                 // Extensions are independent of the bound context
980                 addr =
981                 cnx->hooks[egl_connection_t::GLESv1_INDEX]->ext.extensions[slot] =
982                 cnx->hooks[egl_connection_t::GLESv2_INDEX]->ext.extensions[slot] =
983                         cnx->egl.eglGetProcAddress(procname);
984                 if (addr) found = true;
985             }
986 
987             if (found) {
988                 addr = gExtensionForwarders[slot];
989                 sGLExtentionMap.add(name, addr);
990                 sGLExtentionSlot++;
991             }
992         }
993 
994     pthread_mutex_unlock(&sExtensionMapMutex);
995     return addr;
996 }
997 
998 class FrameCompletionThread : public Thread {
999 public:
1000 
queueSync(EGLSyncKHR sync)1001     static void queueSync(EGLSyncKHR sync) {
1002         static sp<FrameCompletionThread> thread(new FrameCompletionThread);
1003         static bool running = false;
1004         if (!running) {
1005             thread->run("GPUFrameCompletion");
1006             running = true;
1007         }
1008         {
1009             Mutex::Autolock lock(thread->mMutex);
1010             ScopedTrace st(ATRACE_TAG, String8::format("kicked off frame %d",
1011                     thread->mFramesQueued).string());
1012             thread->mQueue.push_back(sync);
1013             thread->mCondition.signal();
1014             thread->mFramesQueued++;
1015             ATRACE_INT("GPU Frames Outstanding", thread->mQueue.size());
1016         }
1017     }
1018 
1019 private:
FrameCompletionThread()1020     FrameCompletionThread() : mFramesQueued(0), mFramesCompleted(0) {}
1021 
threadLoop()1022     virtual bool threadLoop() {
1023         EGLSyncKHR sync;
1024         uint32_t frameNum;
1025         {
1026             Mutex::Autolock lock(mMutex);
1027             while (mQueue.isEmpty()) {
1028                 mCondition.wait(mMutex);
1029             }
1030             sync = mQueue[0];
1031             frameNum = mFramesCompleted;
1032         }
1033         EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
1034         {
1035             ScopedTrace st(ATRACE_TAG, String8::format("waiting for frame %d",
1036                     frameNum).string());
1037             EGLint result = eglClientWaitSyncKHR(dpy, sync, 0, EGL_FOREVER_KHR);
1038             if (result == EGL_FALSE) {
1039                 ALOGE("FrameCompletion: error waiting for fence: %#x", eglGetError());
1040             } else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
1041                 ALOGE("FrameCompletion: timeout waiting for fence");
1042             }
1043             eglDestroySyncKHR(dpy, sync);
1044         }
1045         {
1046             Mutex::Autolock lock(mMutex);
1047             mQueue.removeAt(0);
1048             mFramesCompleted++;
1049             ATRACE_INT("GPU Frames Outstanding", mQueue.size());
1050         }
1051         return true;
1052     }
1053 
1054     uint32_t mFramesQueued;
1055     uint32_t mFramesCompleted;
1056     Vector<EGLSyncKHR> mQueue;
1057     Condition mCondition;
1058     Mutex mMutex;
1059 };
1060 
eglSwapBuffersWithDamageKHR(EGLDisplay dpy,EGLSurface draw,EGLint * rects,EGLint n_rects)1061 EGLBoolean eglSwapBuffersWithDamageKHR(EGLDisplay dpy, EGLSurface draw,
1062         EGLint *rects, EGLint n_rects)
1063 {
1064     ATRACE_CALL();
1065     clearError();
1066 
1067     const egl_display_ptr dp = validate_display(dpy);
1068     if (!dp) return EGL_FALSE;
1069 
1070     SurfaceRef _s(dp.get(), draw);
1071     if (!_s.get())
1072         return setError(EGL_BAD_SURFACE, EGL_FALSE);
1073 
1074     egl_surface_t const * const s = get_surface(draw);
1075 
1076     if (CC_UNLIKELY(dp->traceGpuCompletion)) {
1077         EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL);
1078         if (sync != EGL_NO_SYNC_KHR) {
1079             FrameCompletionThread::queueSync(sync);
1080         }
1081     }
1082 
1083     if (CC_UNLIKELY(dp->finishOnSwap)) {
1084         uint32_t pixel;
1085         egl_context_t * const c = get_context( egl_tls_t::getContext() );
1086         if (c) {
1087             // glReadPixels() ensures that the frame is complete
1088             s->cnx->hooks[c->version]->gl.glReadPixels(0,0,1,1,
1089                     GL_RGBA,GL_UNSIGNED_BYTE,&pixel);
1090         }
1091     }
1092 
1093     if (n_rects == 0) {
1094         return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1095     }
1096 
1097     Vector<android_native_rect_t> androidRects;
1098     for (int r = 0; r < n_rects; ++r) {
1099         int offset = r * 4;
1100         int x = rects[offset];
1101         int y = rects[offset + 1];
1102         int width = rects[offset + 2];
1103         int height = rects[offset + 3];
1104         android_native_rect_t androidRect;
1105         androidRect.left = x;
1106         androidRect.top = y + height;
1107         androidRect.right = x + width;
1108         androidRect.bottom = y;
1109         androidRects.push_back(androidRect);
1110     }
1111     native_window_set_surface_damage(s->win.get(), androidRects.array(),
1112             androidRects.size());
1113 
1114     if (s->cnx->egl.eglSwapBuffersWithDamageKHR) {
1115         return s->cnx->egl.eglSwapBuffersWithDamageKHR(dp->disp.dpy, s->surface,
1116                 rects, n_rects);
1117     } else {
1118         return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1119     }
1120 }
1121 
eglSwapBuffers(EGLDisplay dpy,EGLSurface surface)1122 EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
1123 {
1124     return eglSwapBuffersWithDamageKHR(dpy, surface, NULL, 0);
1125 }
1126 
eglCopyBuffers(EGLDisplay dpy,EGLSurface surface,NativePixmapType target)1127 EGLBoolean eglCopyBuffers(  EGLDisplay dpy, EGLSurface surface,
1128                             NativePixmapType target)
1129 {
1130     clearError();
1131 
1132     const egl_display_ptr dp = validate_display(dpy);
1133     if (!dp) return EGL_FALSE;
1134 
1135     SurfaceRef _s(dp.get(), surface);
1136     if (!_s.get())
1137         return setError(EGL_BAD_SURFACE, EGL_FALSE);
1138 
1139     egl_surface_t const * const s = get_surface(surface);
1140     return s->cnx->egl.eglCopyBuffers(dp->disp.dpy, s->surface, target);
1141 }
1142 
eglQueryString(EGLDisplay dpy,EGLint name)1143 const char* eglQueryString(EGLDisplay dpy, EGLint name)
1144 {
1145     clearError();
1146 
1147     const egl_display_ptr dp = validate_display(dpy);
1148     if (!dp) return (const char *) NULL;
1149 
1150     switch (name) {
1151         case EGL_VENDOR:
1152             return dp->getVendorString();
1153         case EGL_VERSION:
1154             return dp->getVersionString();
1155         case EGL_EXTENSIONS:
1156             return dp->getExtensionString();
1157         case EGL_CLIENT_APIS:
1158             return dp->getClientApiString();
1159     }
1160     return setError(EGL_BAD_PARAMETER, (const char *)0);
1161 }
1162 
eglQueryStringImplementationANDROID(EGLDisplay dpy,EGLint name)1163 EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name)
1164 {
1165     clearError();
1166 
1167     const egl_display_ptr dp = validate_display(dpy);
1168     if (!dp) return (const char *) NULL;
1169 
1170     switch (name) {
1171         case EGL_VENDOR:
1172             return dp->disp.queryString.vendor;
1173         case EGL_VERSION:
1174             return dp->disp.queryString.version;
1175         case EGL_EXTENSIONS:
1176             return dp->disp.queryString.extensions;
1177         case EGL_CLIENT_APIS:
1178             return dp->disp.queryString.clientApi;
1179     }
1180     return setError(EGL_BAD_PARAMETER, (const char *)0);
1181 }
1182 
1183 // ----------------------------------------------------------------------------
1184 // EGL 1.1
1185 // ----------------------------------------------------------------------------
1186 
eglSurfaceAttrib(EGLDisplay dpy,EGLSurface surface,EGLint attribute,EGLint value)1187 EGLBoolean eglSurfaceAttrib(
1188         EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
1189 {
1190     clearError();
1191 
1192     const egl_display_ptr dp = validate_display(dpy);
1193     if (!dp) return EGL_FALSE;
1194 
1195     SurfaceRef _s(dp.get(), surface);
1196     if (!_s.get())
1197         return setError(EGL_BAD_SURFACE, EGL_FALSE);
1198 
1199     egl_surface_t const * const s = get_surface(surface);
1200 
1201     if (attribute == EGL_FRONT_BUFFER_AUTO_REFRESH_ANDROID) {
1202         int err = native_window_set_auto_refresh(s->win.get(),
1203             value ? true : false);
1204         return (err == NO_ERROR) ? EGL_TRUE :
1205             setError(EGL_BAD_SURFACE, EGL_FALSE);
1206     }
1207 
1208     if (s->cnx->egl.eglSurfaceAttrib) {
1209         return s->cnx->egl.eglSurfaceAttrib(
1210                 dp->disp.dpy, s->surface, attribute, value);
1211     }
1212     return setError(EGL_BAD_SURFACE, EGL_FALSE);
1213 }
1214 
eglBindTexImage(EGLDisplay dpy,EGLSurface surface,EGLint buffer)1215 EGLBoolean eglBindTexImage(
1216         EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1217 {
1218     clearError();
1219 
1220     const egl_display_ptr dp = validate_display(dpy);
1221     if (!dp) return EGL_FALSE;
1222 
1223     SurfaceRef _s(dp.get(), surface);
1224     if (!_s.get())
1225         return setError(EGL_BAD_SURFACE, EGL_FALSE);
1226 
1227     egl_surface_t const * const s = get_surface(surface);
1228     if (s->cnx->egl.eglBindTexImage) {
1229         return s->cnx->egl.eglBindTexImage(
1230                 dp->disp.dpy, s->surface, buffer);
1231     }
1232     return setError(EGL_BAD_SURFACE, EGL_FALSE);
1233 }
1234 
eglReleaseTexImage(EGLDisplay dpy,EGLSurface surface,EGLint buffer)1235 EGLBoolean eglReleaseTexImage(
1236         EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1237 {
1238     clearError();
1239 
1240     const egl_display_ptr dp = validate_display(dpy);
1241     if (!dp) return EGL_FALSE;
1242 
1243     SurfaceRef _s(dp.get(), surface);
1244     if (!_s.get())
1245         return setError(EGL_BAD_SURFACE, EGL_FALSE);
1246 
1247     egl_surface_t const * const s = get_surface(surface);
1248     if (s->cnx->egl.eglReleaseTexImage) {
1249         return s->cnx->egl.eglReleaseTexImage(
1250                 dp->disp.dpy, s->surface, buffer);
1251     }
1252     return setError(EGL_BAD_SURFACE, EGL_FALSE);
1253 }
1254 
eglSwapInterval(EGLDisplay dpy,EGLint interval)1255 EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
1256 {
1257     clearError();
1258 
1259     const egl_display_ptr dp = validate_display(dpy);
1260     if (!dp) return EGL_FALSE;
1261 
1262     EGLBoolean res = EGL_TRUE;
1263     egl_connection_t* const cnx = &gEGLImpl;
1264     if (cnx->dso && cnx->egl.eglSwapInterval) {
1265         res = cnx->egl.eglSwapInterval(dp->disp.dpy, interval);
1266     }
1267 
1268     return res;
1269 }
1270 
1271 
1272 // ----------------------------------------------------------------------------
1273 // EGL 1.2
1274 // ----------------------------------------------------------------------------
1275 
eglWaitClient(void)1276 EGLBoolean eglWaitClient(void)
1277 {
1278     clearError();
1279 
1280     egl_connection_t* const cnx = &gEGLImpl;
1281     if (!cnx->dso)
1282         return setError(EGL_BAD_CONTEXT, EGL_FALSE);
1283 
1284     EGLBoolean res;
1285     if (cnx->egl.eglWaitClient) {
1286         res = cnx->egl.eglWaitClient();
1287     } else {
1288         res = cnx->egl.eglWaitGL();
1289     }
1290     return res;
1291 }
1292 
eglBindAPI(EGLenum api)1293 EGLBoolean eglBindAPI(EGLenum api)
1294 {
1295     clearError();
1296 
1297     if (egl_init_drivers() == EGL_FALSE) {
1298         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1299     }
1300 
1301     // bind this API on all EGLs
1302     EGLBoolean res = EGL_TRUE;
1303     egl_connection_t* const cnx = &gEGLImpl;
1304     if (cnx->dso && cnx->egl.eglBindAPI) {
1305         res = cnx->egl.eglBindAPI(api);
1306     }
1307     return res;
1308 }
1309 
eglQueryAPI(void)1310 EGLenum eglQueryAPI(void)
1311 {
1312     clearError();
1313 
1314     if (egl_init_drivers() == EGL_FALSE) {
1315         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1316     }
1317 
1318     egl_connection_t* const cnx = &gEGLImpl;
1319     if (cnx->dso && cnx->egl.eglQueryAPI) {
1320         return cnx->egl.eglQueryAPI();
1321     }
1322 
1323     // or, it can only be OpenGL ES
1324     return EGL_OPENGL_ES_API;
1325 }
1326 
eglReleaseThread(void)1327 EGLBoolean eglReleaseThread(void)
1328 {
1329     clearError();
1330 
1331     // If there is context bound to the thread, release it
1332     egl_display_t::loseCurrent(get_context(getContext()));
1333 
1334     egl_connection_t* const cnx = &gEGLImpl;
1335     if (cnx->dso && cnx->egl.eglReleaseThread) {
1336         cnx->egl.eglReleaseThread();
1337     }
1338     egl_tls_t::clearTLS();
1339     return EGL_TRUE;
1340 }
1341 
eglCreatePbufferFromClientBuffer(EGLDisplay dpy,EGLenum buftype,EGLClientBuffer buffer,EGLConfig config,const EGLint * attrib_list)1342 EGLSurface eglCreatePbufferFromClientBuffer(
1343           EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
1344           EGLConfig config, const EGLint *attrib_list)
1345 {
1346     clearError();
1347 
1348     egl_connection_t* cnx = NULL;
1349     const egl_display_ptr dp = validate_display_connection(dpy, cnx);
1350     if (!dp) return EGL_FALSE;
1351     if (cnx->egl.eglCreatePbufferFromClientBuffer) {
1352         return cnx->egl.eglCreatePbufferFromClientBuffer(
1353                 dp->disp.dpy, buftype, buffer, config, attrib_list);
1354     }
1355     return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE);
1356 }
1357 
1358 // ----------------------------------------------------------------------------
1359 // EGL_EGLEXT_VERSION 3
1360 // ----------------------------------------------------------------------------
1361 
eglLockSurfaceKHR(EGLDisplay dpy,EGLSurface surface,const EGLint * attrib_list)1362 EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface,
1363         const EGLint *attrib_list)
1364 {
1365     clearError();
1366 
1367     const egl_display_ptr dp = validate_display(dpy);
1368     if (!dp) return EGL_FALSE;
1369 
1370     SurfaceRef _s(dp.get(), surface);
1371     if (!_s.get())
1372         return setError(EGL_BAD_SURFACE, EGL_FALSE);
1373 
1374     egl_surface_t const * const s = get_surface(surface);
1375     if (s->cnx->egl.eglLockSurfaceKHR) {
1376         return s->cnx->egl.eglLockSurfaceKHR(
1377                 dp->disp.dpy, s->surface, attrib_list);
1378     }
1379     return setError(EGL_BAD_DISPLAY, EGL_FALSE);
1380 }
1381 
eglUnlockSurfaceKHR(EGLDisplay dpy,EGLSurface surface)1382 EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface)
1383 {
1384     clearError();
1385 
1386     const egl_display_ptr dp = validate_display(dpy);
1387     if (!dp) return EGL_FALSE;
1388 
1389     SurfaceRef _s(dp.get(), surface);
1390     if (!_s.get())
1391         return setError(EGL_BAD_SURFACE, EGL_FALSE);
1392 
1393     egl_surface_t const * const s = get_surface(surface);
1394     if (s->cnx->egl.eglUnlockSurfaceKHR) {
1395         return s->cnx->egl.eglUnlockSurfaceKHR(dp->disp.dpy, s->surface);
1396     }
1397     return setError(EGL_BAD_DISPLAY, EGL_FALSE);
1398 }
1399 
eglCreateImageKHR(EGLDisplay dpy,EGLContext ctx,EGLenum target,EGLClientBuffer buffer,const EGLint * attrib_list)1400 EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
1401         EGLClientBuffer buffer, const EGLint *attrib_list)
1402 {
1403     clearError();
1404 
1405     const egl_display_ptr dp = validate_display(dpy);
1406     if (!dp) return EGL_NO_IMAGE_KHR;
1407 
1408     ContextRef _c(dp.get(), ctx);
1409     egl_context_t * const c = _c.get();
1410 
1411     EGLImageKHR result = EGL_NO_IMAGE_KHR;
1412     egl_connection_t* const cnx = &gEGLImpl;
1413     if (cnx->dso && cnx->egl.eglCreateImageKHR) {
1414         result = cnx->egl.eglCreateImageKHR(
1415                 dp->disp.dpy,
1416                 c ? c->context : EGL_NO_CONTEXT,
1417                 target, buffer, attrib_list);
1418     }
1419     return result;
1420 }
1421 
eglDestroyImageKHR(EGLDisplay dpy,EGLImageKHR img)1422 EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img)
1423 {
1424     clearError();
1425 
1426     const egl_display_ptr dp = validate_display(dpy);
1427     if (!dp) return EGL_FALSE;
1428 
1429     EGLBoolean result = EGL_FALSE;
1430     egl_connection_t* const cnx = &gEGLImpl;
1431     if (cnx->dso && cnx->egl.eglDestroyImageKHR) {
1432         result = cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img);
1433     }
1434     return result;
1435 }
1436 
1437 // ----------------------------------------------------------------------------
1438 // EGL_EGLEXT_VERSION 5
1439 // ----------------------------------------------------------------------------
1440 
1441 
eglCreateSyncKHR(EGLDisplay dpy,EGLenum type,const EGLint * attrib_list)1442 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
1443 {
1444     clearError();
1445 
1446     const egl_display_ptr dp = validate_display(dpy);
1447     if (!dp) return EGL_NO_SYNC_KHR;
1448 
1449     EGLSyncKHR result = EGL_NO_SYNC_KHR;
1450     egl_connection_t* const cnx = &gEGLImpl;
1451     if (cnx->dso && cnx->egl.eglCreateSyncKHR) {
1452         result = cnx->egl.eglCreateSyncKHR(dp->disp.dpy, type, attrib_list);
1453     }
1454     return result;
1455 }
1456 
eglDestroySyncKHR(EGLDisplay dpy,EGLSyncKHR sync)1457 EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
1458 {
1459     clearError();
1460 
1461     const egl_display_ptr dp = validate_display(dpy);
1462     if (!dp) return EGL_FALSE;
1463 
1464     EGLBoolean result = EGL_FALSE;
1465     egl_connection_t* const cnx = &gEGLImpl;
1466     if (cnx->dso && cnx->egl.eglDestroySyncKHR) {
1467         result = cnx->egl.eglDestroySyncKHR(dp->disp.dpy, sync);
1468     }
1469     return result;
1470 }
1471 
eglSignalSyncKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLenum mode)1472 EGLBoolean eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode) {
1473     clearError();
1474 
1475     const egl_display_ptr dp = validate_display(dpy);
1476     if (!dp) return EGL_FALSE;
1477 
1478     EGLBoolean result = EGL_FALSE;
1479     egl_connection_t* const cnx = &gEGLImpl;
1480     if (cnx->dso && cnx->egl.eglSignalSyncKHR) {
1481         result = cnx->egl.eglSignalSyncKHR(
1482                 dp->disp.dpy, sync, mode);
1483     }
1484     return result;
1485 }
1486 
eglClientWaitSyncKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLint flags,EGLTimeKHR timeout)1487 EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync,
1488         EGLint flags, EGLTimeKHR timeout)
1489 {
1490     clearError();
1491 
1492     const egl_display_ptr dp = validate_display(dpy);
1493     if (!dp) return EGL_FALSE;
1494 
1495     EGLBoolean result = EGL_FALSE;
1496     egl_connection_t* const cnx = &gEGLImpl;
1497     if (cnx->dso && cnx->egl.eglClientWaitSyncKHR) {
1498         result = cnx->egl.eglClientWaitSyncKHR(
1499                 dp->disp.dpy, sync, flags, timeout);
1500     }
1501     return result;
1502 }
1503 
eglGetSyncAttribKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLint attribute,EGLint * value)1504 EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync,
1505         EGLint attribute, EGLint *value)
1506 {
1507     clearError();
1508 
1509     const egl_display_ptr dp = validate_display(dpy);
1510     if (!dp) return EGL_FALSE;
1511 
1512     EGLBoolean result = EGL_FALSE;
1513     egl_connection_t* const cnx = &gEGLImpl;
1514     if (cnx->dso && cnx->egl.eglGetSyncAttribKHR) {
1515         result = cnx->egl.eglGetSyncAttribKHR(
1516                 dp->disp.dpy, sync, attribute, value);
1517     }
1518     return result;
1519 }
1520 
eglCreateStreamKHR(EGLDisplay dpy,const EGLint * attrib_list)1521 EGLStreamKHR eglCreateStreamKHR(EGLDisplay dpy, const EGLint *attrib_list)
1522 {
1523     clearError();
1524 
1525     const egl_display_ptr dp = validate_display(dpy);
1526     if (!dp) return EGL_NO_STREAM_KHR;
1527 
1528     EGLStreamKHR result = EGL_NO_STREAM_KHR;
1529     egl_connection_t* const cnx = &gEGLImpl;
1530     if (cnx->dso && cnx->egl.eglCreateStreamKHR) {
1531         result = cnx->egl.eglCreateStreamKHR(
1532                 dp->disp.dpy, attrib_list);
1533     }
1534     return result;
1535 }
1536 
eglDestroyStreamKHR(EGLDisplay dpy,EGLStreamKHR stream)1537 EGLBoolean eglDestroyStreamKHR(EGLDisplay dpy, EGLStreamKHR stream)
1538 {
1539     clearError();
1540 
1541     const egl_display_ptr dp = validate_display(dpy);
1542     if (!dp) return EGL_FALSE;
1543 
1544     EGLBoolean result = EGL_FALSE;
1545     egl_connection_t* const cnx = &gEGLImpl;
1546     if (cnx->dso && cnx->egl.eglDestroyStreamKHR) {
1547         result = cnx->egl.eglDestroyStreamKHR(
1548                 dp->disp.dpy, stream);
1549     }
1550     return result;
1551 }
1552 
eglStreamAttribKHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLint value)1553 EGLBoolean eglStreamAttribKHR(EGLDisplay dpy, EGLStreamKHR stream,
1554         EGLenum attribute, EGLint value)
1555 {
1556     clearError();
1557 
1558     const egl_display_ptr dp = validate_display(dpy);
1559     if (!dp) return EGL_FALSE;
1560 
1561     EGLBoolean result = EGL_FALSE;
1562     egl_connection_t* const cnx = &gEGLImpl;
1563     if (cnx->dso && cnx->egl.eglStreamAttribKHR) {
1564         result = cnx->egl.eglStreamAttribKHR(
1565                 dp->disp.dpy, stream, attribute, value);
1566     }
1567     return result;
1568 }
1569 
eglQueryStreamKHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLint * value)1570 EGLBoolean eglQueryStreamKHR(EGLDisplay dpy, EGLStreamKHR stream,
1571         EGLenum attribute, EGLint *value)
1572 {
1573     clearError();
1574 
1575     const egl_display_ptr dp = validate_display(dpy);
1576     if (!dp) return EGL_FALSE;
1577 
1578     EGLBoolean result = EGL_FALSE;
1579     egl_connection_t* const cnx = &gEGLImpl;
1580     if (cnx->dso && cnx->egl.eglQueryStreamKHR) {
1581         result = cnx->egl.eglQueryStreamKHR(
1582                 dp->disp.dpy, stream, attribute, value);
1583     }
1584     return result;
1585 }
1586 
eglQueryStreamu64KHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLuint64KHR * value)1587 EGLBoolean eglQueryStreamu64KHR(EGLDisplay dpy, EGLStreamKHR stream,
1588         EGLenum attribute, EGLuint64KHR *value)
1589 {
1590     clearError();
1591 
1592     const egl_display_ptr dp = validate_display(dpy);
1593     if (!dp) return EGL_FALSE;
1594 
1595     EGLBoolean result = EGL_FALSE;
1596     egl_connection_t* const cnx = &gEGLImpl;
1597     if (cnx->dso && cnx->egl.eglQueryStreamu64KHR) {
1598         result = cnx->egl.eglQueryStreamu64KHR(
1599                 dp->disp.dpy, stream, attribute, value);
1600     }
1601     return result;
1602 }
1603 
eglQueryStreamTimeKHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLTimeKHR * value)1604 EGLBoolean eglQueryStreamTimeKHR(EGLDisplay dpy, EGLStreamKHR stream,
1605         EGLenum attribute, EGLTimeKHR *value)
1606 {
1607     clearError();
1608 
1609     const egl_display_ptr dp = validate_display(dpy);
1610     if (!dp) return EGL_FALSE;
1611 
1612     EGLBoolean result = EGL_FALSE;
1613     egl_connection_t* const cnx = &gEGLImpl;
1614     if (cnx->dso && cnx->egl.eglQueryStreamTimeKHR) {
1615         result = cnx->egl.eglQueryStreamTimeKHR(
1616                 dp->disp.dpy, stream, attribute, value);
1617     }
1618     return result;
1619 }
1620 
eglCreateStreamProducerSurfaceKHR(EGLDisplay dpy,EGLConfig config,EGLStreamKHR stream,const EGLint * attrib_list)1621 EGLSurface eglCreateStreamProducerSurfaceKHR(EGLDisplay dpy, EGLConfig config,
1622         EGLStreamKHR stream, const EGLint *attrib_list)
1623 {
1624     clearError();
1625 
1626     egl_display_ptr dp = validate_display(dpy);
1627     if (!dp) return EGL_NO_SURFACE;
1628 
1629     egl_connection_t* const cnx = &gEGLImpl;
1630     if (cnx->dso && cnx->egl.eglCreateStreamProducerSurfaceKHR) {
1631         EGLSurface surface = cnx->egl.eglCreateStreamProducerSurfaceKHR(
1632                 dp->disp.dpy, config, stream, attrib_list);
1633         if (surface != EGL_NO_SURFACE) {
1634             egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
1635                     surface, cnx);
1636             return s;
1637         }
1638     }
1639     return EGL_NO_SURFACE;
1640 }
1641 
eglStreamConsumerGLTextureExternalKHR(EGLDisplay dpy,EGLStreamKHR stream)1642 EGLBoolean eglStreamConsumerGLTextureExternalKHR(EGLDisplay dpy,
1643         EGLStreamKHR stream)
1644 {
1645     clearError();
1646 
1647     const egl_display_ptr dp = validate_display(dpy);
1648     if (!dp) return EGL_FALSE;
1649 
1650     EGLBoolean result = EGL_FALSE;
1651     egl_connection_t* const cnx = &gEGLImpl;
1652     if (cnx->dso && cnx->egl.eglStreamConsumerGLTextureExternalKHR) {
1653         result = cnx->egl.eglStreamConsumerGLTextureExternalKHR(
1654                 dp->disp.dpy, stream);
1655     }
1656     return result;
1657 }
1658 
eglStreamConsumerAcquireKHR(EGLDisplay dpy,EGLStreamKHR stream)1659 EGLBoolean eglStreamConsumerAcquireKHR(EGLDisplay dpy,
1660         EGLStreamKHR stream)
1661 {
1662     clearError();
1663 
1664     const egl_display_ptr dp = validate_display(dpy);
1665     if (!dp) return EGL_FALSE;
1666 
1667     EGLBoolean result = EGL_FALSE;
1668     egl_connection_t* const cnx = &gEGLImpl;
1669     if (cnx->dso && cnx->egl.eglStreamConsumerAcquireKHR) {
1670         result = cnx->egl.eglStreamConsumerAcquireKHR(
1671                 dp->disp.dpy, stream);
1672     }
1673     return result;
1674 }
1675 
eglStreamConsumerReleaseKHR(EGLDisplay dpy,EGLStreamKHR stream)1676 EGLBoolean eglStreamConsumerReleaseKHR(EGLDisplay dpy,
1677         EGLStreamKHR stream)
1678 {
1679     clearError();
1680 
1681     const egl_display_ptr dp = validate_display(dpy);
1682     if (!dp) return EGL_FALSE;
1683 
1684     EGLBoolean result = EGL_FALSE;
1685     egl_connection_t* const cnx = &gEGLImpl;
1686     if (cnx->dso && cnx->egl.eglStreamConsumerReleaseKHR) {
1687         result = cnx->egl.eglStreamConsumerReleaseKHR(
1688                 dp->disp.dpy, stream);
1689     }
1690     return result;
1691 }
1692 
eglGetStreamFileDescriptorKHR(EGLDisplay dpy,EGLStreamKHR stream)1693 EGLNativeFileDescriptorKHR eglGetStreamFileDescriptorKHR(
1694         EGLDisplay dpy, EGLStreamKHR stream)
1695 {
1696     clearError();
1697 
1698     const egl_display_ptr dp = validate_display(dpy);
1699     if (!dp) return EGL_NO_FILE_DESCRIPTOR_KHR;
1700 
1701     EGLNativeFileDescriptorKHR result = EGL_NO_FILE_DESCRIPTOR_KHR;
1702     egl_connection_t* const cnx = &gEGLImpl;
1703     if (cnx->dso && cnx->egl.eglGetStreamFileDescriptorKHR) {
1704         result = cnx->egl.eglGetStreamFileDescriptorKHR(
1705                 dp->disp.dpy, stream);
1706     }
1707     return result;
1708 }
1709 
eglCreateStreamFromFileDescriptorKHR(EGLDisplay dpy,EGLNativeFileDescriptorKHR file_descriptor)1710 EGLStreamKHR eglCreateStreamFromFileDescriptorKHR(
1711         EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor)
1712 {
1713     clearError();
1714 
1715     const egl_display_ptr dp = validate_display(dpy);
1716     if (!dp) return EGL_NO_STREAM_KHR;
1717 
1718     EGLStreamKHR result = EGL_NO_STREAM_KHR;
1719     egl_connection_t* const cnx = &gEGLImpl;
1720     if (cnx->dso && cnx->egl.eglCreateStreamFromFileDescriptorKHR) {
1721         result = cnx->egl.eglCreateStreamFromFileDescriptorKHR(
1722                 dp->disp.dpy, file_descriptor);
1723     }
1724     return result;
1725 }
1726 
1727 // ----------------------------------------------------------------------------
1728 // EGL_EGLEXT_VERSION 15
1729 // ----------------------------------------------------------------------------
1730 
eglWaitSyncKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLint flags)1731 EGLint eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags) {
1732     clearError();
1733     const egl_display_ptr dp = validate_display(dpy);
1734     if (!dp) return EGL_FALSE;
1735     EGLint result = EGL_FALSE;
1736     egl_connection_t* const cnx = &gEGLImpl;
1737     if (cnx->dso && cnx->egl.eglWaitSyncKHR) {
1738         result = cnx->egl.eglWaitSyncKHR(dp->disp.dpy, sync, flags);
1739     }
1740     return result;
1741 }
1742 
1743 // ----------------------------------------------------------------------------
1744 // ANDROID extensions
1745 // ----------------------------------------------------------------------------
1746 
eglDupNativeFenceFDANDROID(EGLDisplay dpy,EGLSyncKHR sync)1747 EGLint eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync)
1748 {
1749     clearError();
1750 
1751     const egl_display_ptr dp = validate_display(dpy);
1752     if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID;
1753 
1754     EGLint result = EGL_NO_NATIVE_FENCE_FD_ANDROID;
1755     egl_connection_t* const cnx = &gEGLImpl;
1756     if (cnx->dso && cnx->egl.eglDupNativeFenceFDANDROID) {
1757         result = cnx->egl.eglDupNativeFenceFDANDROID(dp->disp.dpy, sync);
1758     }
1759     return result;
1760 }
1761 
eglPresentationTimeANDROID(EGLDisplay dpy,EGLSurface surface,EGLnsecsANDROID time)1762 EGLBoolean eglPresentationTimeANDROID(EGLDisplay dpy, EGLSurface surface,
1763         EGLnsecsANDROID time)
1764 {
1765     clearError();
1766 
1767     const egl_display_ptr dp = validate_display(dpy);
1768     if (!dp) {
1769         return EGL_FALSE;
1770     }
1771 
1772     SurfaceRef _s(dp.get(), surface);
1773     if (!_s.get()) {
1774         setError(EGL_BAD_SURFACE, EGL_FALSE);
1775         return EGL_FALSE;
1776     }
1777 
1778     egl_surface_t const * const s = get_surface(surface);
1779     native_window_set_buffers_timestamp(s->win.get(), time);
1780 
1781     return EGL_TRUE;
1782 }
1783 
eglCreateNativeClientBufferANDROID(const EGLint * attrib_list)1784 EGLClientBuffer eglCreateNativeClientBufferANDROID(const EGLint *attrib_list)
1785 {
1786     clearError();
1787 
1788     int usage = 0;
1789     uint32_t width = 0;
1790     uint32_t height = 0;
1791     uint32_t format = 0;
1792     uint32_t red_size = 0;
1793     uint32_t green_size = 0;
1794     uint32_t blue_size = 0;
1795     uint32_t alpha_size = 0;
1796 
1797 #define GET_NONNEGATIVE_VALUE(case_name, target) \
1798     case case_name: \
1799         if (value >= 0) { \
1800             target = value; \
1801         } else { \
1802             return setError(EGL_BAD_PARAMETER, (EGLClientBuffer)0); \
1803         } \
1804         break
1805 
1806     if (attrib_list) {
1807         while (*attrib_list != EGL_NONE) {
1808             GLint attr = *attrib_list++;
1809             GLint value = *attrib_list++;
1810             switch (attr) {
1811                 GET_NONNEGATIVE_VALUE(EGL_WIDTH, width);
1812                 GET_NONNEGATIVE_VALUE(EGL_HEIGHT, height);
1813                 GET_NONNEGATIVE_VALUE(EGL_RED_SIZE, red_size);
1814                 GET_NONNEGATIVE_VALUE(EGL_GREEN_SIZE, green_size);
1815                 GET_NONNEGATIVE_VALUE(EGL_BLUE_SIZE, blue_size);
1816                 GET_NONNEGATIVE_VALUE(EGL_ALPHA_SIZE, alpha_size);
1817                 case EGL_NATIVE_BUFFER_USAGE_ANDROID:
1818                     if (value & EGL_NATIVE_BUFFER_USAGE_PROTECTED_BIT_ANDROID) {
1819                         usage |= GRALLOC_USAGE_PROTECTED;
1820                     }
1821                     if (value & EGL_NATIVE_BUFFER_USAGE_RENDERBUFFER_BIT_ANDROID) {
1822                         usage |= GRALLOC_USAGE_HW_RENDER;
1823                     }
1824                     if (value & EGL_NATIVE_BUFFER_USAGE_TEXTURE_BIT_ANDROID) {
1825                         usage |= GRALLOC_USAGE_HW_TEXTURE;
1826                     }
1827                     // The buffer must be used for either a texture or a
1828                     // renderbuffer.
1829                     if ((value & EGL_NATIVE_BUFFER_USAGE_RENDERBUFFER_BIT_ANDROID) &&
1830                         (value & EGL_NATIVE_BUFFER_USAGE_TEXTURE_BIT_ANDROID)) {
1831                         return setError(EGL_BAD_PARAMETER, (EGLClientBuffer)0);
1832                     }
1833                     break;
1834                 default:
1835                     return setError(EGL_BAD_PARAMETER, (EGLClientBuffer)0);
1836             }
1837         }
1838     }
1839 #undef GET_NONNEGATIVE_VALUE
1840 
1841     // Validate format.
1842     if (red_size == 8 && green_size == 8 && blue_size == 8) {
1843         if (alpha_size == 8) {
1844             format = HAL_PIXEL_FORMAT_RGBA_8888;
1845         } else {
1846             format = HAL_PIXEL_FORMAT_RGB_888;
1847         }
1848     } else if (red_size == 5 && green_size == 6 && blue_size == 5 &&
1849                alpha_size == 0) {
1850         format = HAL_PIXEL_FORMAT_RGB_565;
1851     } else {
1852         ALOGE("Invalid native pixel format { r=%d, g=%d, b=%d, a=%d }",
1853                 red_size, green_size, blue_size, alpha_size);
1854         return setError(EGL_BAD_PARAMETER, (EGLClientBuffer)0);
1855     }
1856 
1857     GraphicBuffer* gBuffer = new GraphicBuffer(width, height, format, usage);
1858     const status_t err = gBuffer->initCheck();
1859     if (err != NO_ERROR) {
1860         ALOGE("Unable to create native buffer { w=%d, h=%d, f=%d, u=%#x }: %#x",
1861                 width, height, format, usage, err);
1862         // Destroy the buffer.
1863         sp<GraphicBuffer> holder(gBuffer);
1864         return setError(EGL_BAD_ALLOC, (EGLClientBuffer)0);
1865     }
1866     ALOGD("Created new native buffer %p { w=%d, h=%d, f=%d, u=%#x }",
1867             gBuffer, width, height, format, usage);
1868     return static_cast<EGLClientBuffer>(gBuffer->getNativeBuffer());
1869 }
1870 
1871 // ----------------------------------------------------------------------------
1872 // NVIDIA extensions
1873 // ----------------------------------------------------------------------------
eglGetSystemTimeFrequencyNV()1874 EGLuint64NV eglGetSystemTimeFrequencyNV()
1875 {
1876     clearError();
1877 
1878     if (egl_init_drivers() == EGL_FALSE) {
1879         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1880     }
1881 
1882     EGLuint64NV ret = 0;
1883     egl_connection_t* const cnx = &gEGLImpl;
1884 
1885     if (cnx->dso && cnx->egl.eglGetSystemTimeFrequencyNV) {
1886         return cnx->egl.eglGetSystemTimeFrequencyNV();
1887     }
1888 
1889     return setErrorQuiet(EGL_BAD_DISPLAY, 0);
1890 }
1891 
eglGetSystemTimeNV()1892 EGLuint64NV eglGetSystemTimeNV()
1893 {
1894     clearError();
1895 
1896     if (egl_init_drivers() == EGL_FALSE) {
1897         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1898     }
1899 
1900     EGLuint64NV ret = 0;
1901     egl_connection_t* const cnx = &gEGLImpl;
1902 
1903     if (cnx->dso && cnx->egl.eglGetSystemTimeNV) {
1904         return cnx->egl.eglGetSystemTimeNV();
1905     }
1906 
1907     return setErrorQuiet(EGL_BAD_DISPLAY, 0);
1908 }
1909 
1910 // ----------------------------------------------------------------------------
1911 // Partial update extension
1912 // ----------------------------------------------------------------------------
eglSetDamageRegionKHR(EGLDisplay dpy,EGLSurface surface,EGLint * rects,EGLint n_rects)1913 EGLBoolean eglSetDamageRegionKHR(EGLDisplay dpy, EGLSurface surface,
1914         EGLint *rects, EGLint n_rects)
1915 {
1916     clearError();
1917 
1918     const egl_display_ptr dp = validate_display(dpy);
1919     if (!dp) {
1920         setError(EGL_BAD_DISPLAY, EGL_FALSE);
1921         return EGL_FALSE;
1922     }
1923 
1924     SurfaceRef _s(dp.get(), surface);
1925     if (!_s.get()) {
1926         setError(EGL_BAD_SURFACE, EGL_FALSE);
1927         return EGL_FALSE;
1928     }
1929 
1930     egl_surface_t const * const s = get_surface(surface);
1931     if (s->cnx->egl.eglSetDamageRegionKHR) {
1932         return s->cnx->egl.eglSetDamageRegionKHR(dp->disp.dpy, s->surface,
1933                 rects, n_rects);
1934     }
1935 
1936     return EGL_FALSE;
1937 }
1938