1 //
2 // Copyright 2002 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6
7 // Surface.cpp: Implements the egl::Surface class, representing a drawing surface
8 // such as the client area of a window, including any back buffers.
9 // Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
10
11 #include "libANGLE/Surface.h"
12
13 #include <EGL/eglext.h>
14
15 #include "libANGLE/Config.h"
16 #include "libANGLE/Context.h"
17 #include "libANGLE/Display.h"
18 #include "libANGLE/Framebuffer.h"
19 #include "libANGLE/Texture.h"
20 #include "libANGLE/formatutils.h"
21 #include "libANGLE/renderer/EGLImplFactory.h"
22 #include "libANGLE/trace.h"
23
24 namespace egl
25 {
26 namespace
27 {
28 angle::SubjectIndex kSurfaceImplSubjectIndex = 0;
29 } // namespace
30
SurfaceState(const egl::Config * configIn,const AttributeMap & attributesIn)31 SurfaceState::SurfaceState(const egl::Config *configIn, const AttributeMap &attributesIn)
32 : label(nullptr),
33 config((configIn != nullptr) ? new egl::Config(*configIn) : nullptr),
34 attributes(attributesIn),
35 timestampsEnabled(false),
36 directComposition(false),
37 swapBehavior(EGL_NONE)
38 {
39 directComposition = attributes.get(EGL_DIRECT_COMPOSITION_ANGLE, EGL_FALSE) == EGL_TRUE;
40 }
41
~SurfaceState()42 SurfaceState::~SurfaceState()
43 {
44 delete config;
45 }
46
isRobustResourceInitEnabled() const47 bool SurfaceState::isRobustResourceInitEnabled() const
48 {
49 return attributes.get(EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, EGL_FALSE) == EGL_TRUE;
50 }
51
hasProtectedContent() const52 bool SurfaceState::hasProtectedContent() const
53 {
54 return attributes.get(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE) == EGL_TRUE;
55 }
56
getPreferredSwapInterval() const57 EGLint SurfaceState::getPreferredSwapInterval() const
58 {
59 return attributes.getAsInt(EGL_SWAP_INTERVAL_ANGLE, 1);
60 }
61
Surface(EGLint surfaceType,const egl::Config * config,const AttributeMap & attributes,bool forceRobustResourceInit,EGLenum buftype)62 Surface::Surface(EGLint surfaceType,
63 const egl::Config *config,
64 const AttributeMap &attributes,
65 bool forceRobustResourceInit,
66 EGLenum buftype)
67 : FramebufferAttachmentObject(),
68 mState(config, attributes),
69 mImplementation(nullptr),
70 mRefCount(0),
71 mDestroyed(false),
72 mType(surfaceType),
73 mBuftype(buftype),
74 mPostSubBufferRequested(false),
75 mLargestPbuffer(false),
76 mGLColorspace(EGL_GL_COLORSPACE_LINEAR),
77 mVGAlphaFormat(EGL_VG_ALPHA_FORMAT_NONPRE),
78 mVGColorspace(EGL_VG_COLORSPACE_sRGB),
79 mMipmapTexture(false),
80 mMipmapLevel(0),
81 mHorizontalResolution(EGL_UNKNOWN),
82 mVerticalResolution(EGL_UNKNOWN),
83 mMultisampleResolve(EGL_MULTISAMPLE_RESOLVE_DEFAULT),
84 mFixedSize(false),
85 mFixedWidth(0),
86 mFixedHeight(0),
87 mTextureFormat(TextureFormat::NoTexture),
88 mTextureTarget(EGL_NO_TEXTURE),
89 // FIXME: Determine actual pixel aspect ratio
90 mPixelAspectRatio(static_cast<EGLint>(1.0 * EGL_DISPLAY_SCALING)),
91 mRenderBuffer(EGL_BACK_BUFFER),
92 mOrientation(0),
93 mTexture(nullptr),
94 mColorFormat(config->renderTargetFormat),
95 mDSFormat(config->depthStencilFormat),
96 mIsCurrentOnAnyContext(false),
97 mLockBufferPtr(nullptr),
98 mLockBufferPitch(0),
99 mBufferAgeQueriedSinceLastSwap(false),
100 mIsDamageRegionSet(false),
101 mInitState(gl::InitState::Initialized),
102 mImplObserverBinding(this, kSurfaceImplSubjectIndex)
103 {
104 mPostSubBufferRequested =
105 (attributes.get(EGL_POST_SUB_BUFFER_SUPPORTED_NV, EGL_FALSE) == EGL_TRUE);
106
107 if (mType == EGL_PBUFFER_BIT)
108 {
109 mLargestPbuffer = (attributes.get(EGL_LARGEST_PBUFFER, EGL_FALSE) == EGL_TRUE);
110 }
111
112 if (mType == EGL_PIXMAP_BIT)
113 {
114 mRenderBuffer = EGL_SINGLE_BUFFER;
115 }
116
117 mGLColorspace =
118 static_cast<EGLenum>(attributes.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_LINEAR));
119 mVGAlphaFormat =
120 static_cast<EGLenum>(attributes.get(EGL_VG_ALPHA_FORMAT, EGL_VG_ALPHA_FORMAT_NONPRE));
121 mVGColorspace = static_cast<EGLenum>(attributes.get(EGL_VG_COLORSPACE, EGL_VG_COLORSPACE_sRGB));
122 mMipmapTexture = (attributes.get(EGL_MIPMAP_TEXTURE, EGL_FALSE) == EGL_TRUE);
123
124 mRobustResourceInitialization =
125 forceRobustResourceInit ||
126 (attributes.get(EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, EGL_FALSE) == EGL_TRUE);
127 if (mRobustResourceInitialization)
128 {
129 mInitState = gl::InitState::MayNeedInit;
130 }
131
132 mFixedSize = (attributes.get(EGL_FIXED_SIZE_ANGLE, EGL_FALSE) == EGL_TRUE);
133 if (mFixedSize)
134 {
135 mFixedWidth = static_cast<size_t>(attributes.get(EGL_WIDTH, 0));
136 mFixedHeight = static_cast<size_t>(attributes.get(EGL_HEIGHT, 0));
137 }
138
139 if (mType != EGL_WINDOW_BIT)
140 {
141 mTextureFormat = attributes.getAsPackedEnum(EGL_TEXTURE_FORMAT, TextureFormat::NoTexture);
142 mTextureTarget = static_cast<EGLenum>(attributes.get(EGL_TEXTURE_TARGET, EGL_NO_TEXTURE));
143 }
144
145 mOrientation = static_cast<EGLint>(attributes.get(EGL_SURFACE_ORIENTATION_ANGLE, 0));
146
147 mTextureOffset.x = static_cast<int>(mState.attributes.get(EGL_TEXTURE_OFFSET_X_ANGLE, 0));
148 mTextureOffset.y = static_cast<int>(mState.attributes.get(EGL_TEXTURE_OFFSET_Y_ANGLE, 0));
149 }
150
~Surface()151 Surface::~Surface() {}
152
getAttachmentImpl() const153 rx::FramebufferAttachmentObjectImpl *Surface::getAttachmentImpl() const
154 {
155 return mImplementation;
156 }
157
destroyImpl(const Display * display)158 Error Surface::destroyImpl(const Display *display)
159 {
160 if (mImplementation)
161 {
162 mImplementation->destroy(display);
163 }
164
165 ASSERT(!mTexture);
166
167 SafeDelete(mImplementation);
168
169 delete this;
170 return NoError();
171 }
172
postSwap(const gl::Context * context)173 void Surface::postSwap(const gl::Context *context)
174 {
175 if (mRobustResourceInitialization && mState.swapBehavior != EGL_BUFFER_PRESERVED)
176 {
177 mInitState = gl::InitState::MayNeedInit;
178 onStateChange(angle::SubjectMessage::SubjectChanged);
179 }
180
181 mBufferAgeQueriedSinceLastSwap = false;
182
183 mIsDamageRegionSet = false;
184 }
185
initialize(const Display * display)186 Error Surface::initialize(const Display *display)
187 {
188 GLenum overrideRenderTargetFormat = mState.config->renderTargetFormat;
189
190 // To account for color space differences, override the renderTargetFormat with the
191 // non-linear format. If no suitable non-linear format was found, return
192 // EGL_BAD_MATCH error
193 if (!gl::ColorspaceFormatOverride(mGLColorspace, &overrideRenderTargetFormat))
194 {
195 return egl::EglBadMatch();
196 }
197
198 // If an override is required update mState.config as well
199 if (mState.config->renderTargetFormat != overrideRenderTargetFormat)
200 {
201 egl::Config *overrideConfig = new egl::Config(*(mState.config));
202 overrideConfig->renderTargetFormat = overrideRenderTargetFormat;
203 delete mState.config;
204 mState.config = overrideConfig;
205
206 mColorFormat = gl::Format(mState.config->renderTargetFormat);
207 mDSFormat = gl::Format(mState.config->depthStencilFormat);
208 }
209
210 ANGLE_TRY(mImplementation->initialize(display));
211
212 // Initialized here since impl is nullptr in the constructor.
213 // Must happen after implementation initialize for Android.
214 mState.swapBehavior = mImplementation->getSwapBehavior();
215
216 if (mBuftype == EGL_IOSURFACE_ANGLE)
217 {
218 GLenum internalFormat =
219 static_cast<GLenum>(mState.attributes.get(EGL_TEXTURE_INTERNAL_FORMAT_ANGLE));
220 GLenum type = static_cast<GLenum>(mState.attributes.get(EGL_TEXTURE_TYPE_ANGLE));
221
222 // GL_RGBA + GL_HALF_FLOAT is not a valid format/type combination in GLES like it is in
223 // desktop GL. Adjust the frontend format to be sized RGBA16F.
224 if (internalFormat == GL_RGBA && type == GL_HALF_FLOAT)
225 {
226 internalFormat = GL_RGBA16F;
227 }
228 mColorFormat = gl::Format(internalFormat, type);
229 }
230 if (mBuftype == EGL_D3D_TEXTURE_ANGLE)
231 {
232 const angle::Format *colorFormat = mImplementation->getD3DTextureColorFormat();
233 ASSERT(colorFormat != nullptr);
234 GLenum internalFormat = colorFormat->fboImplementationInternalFormat;
235 mColorFormat = gl::Format(internalFormat, colorFormat->componentType);
236 mGLColorspace = EGL_GL_COLORSPACE_LINEAR;
237 if (mColorFormat.info->colorEncoding == GL_SRGB)
238 {
239 mGLColorspace = EGL_GL_COLORSPACE_SRGB;
240 }
241 }
242
243 if (mType == EGL_WINDOW_BIT && display->getExtensions().getFrameTimestamps)
244 {
245 mState.supportedCompositorTimings = mImplementation->getSupportedCompositorTimings();
246 mState.supportedTimestamps = mImplementation->getSupportedTimestamps();
247 }
248
249 mImplObserverBinding.bind(mImplementation);
250
251 return NoError();
252 }
253
makeCurrent(const gl::Context * context)254 Error Surface::makeCurrent(const gl::Context *context)
255 {
256 if (isLocked())
257 {
258 return EglBadAccess();
259 }
260 ANGLE_TRY(mImplementation->makeCurrent(context));
261 mIsCurrentOnAnyContext = true;
262 addRef();
263 return NoError();
264 }
265
unMakeCurrent(const gl::Context * context)266 Error Surface::unMakeCurrent(const gl::Context *context)
267 {
268 ANGLE_TRY(mImplementation->unMakeCurrent(context));
269 mIsCurrentOnAnyContext = false;
270 return releaseRef(context->getDisplay());
271 }
272
releaseRef(const Display * display)273 Error Surface::releaseRef(const Display *display)
274 {
275 ASSERT(mRefCount > 0);
276 mRefCount--;
277 if (mRefCount == 0 && mDestroyed)
278 {
279 ASSERT(display);
280 return destroyImpl(display);
281 }
282
283 return NoError();
284 }
285
onDestroy(const Display * display)286 Error Surface::onDestroy(const Display *display)
287 {
288 mDestroyed = true;
289 if (mRefCount == 0)
290 {
291 return destroyImpl(display);
292 }
293 return NoError();
294 }
295
setLabel(EGLLabelKHR label)296 void Surface::setLabel(EGLLabelKHR label)
297 {
298 mState.label = label;
299 }
300
getLabel() const301 EGLLabelKHR Surface::getLabel() const
302 {
303 return mState.label;
304 }
305
getType() const306 EGLint Surface::getType() const
307 {
308 return mType;
309 }
310
prepareSwap(const gl::Context * context)311 Error Surface::prepareSwap(const gl::Context *context)
312 {
313 ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::prepareSwap");
314 return mImplementation->prepareSwap(context);
315 }
316
swap(const gl::Context * context)317 Error Surface::swap(const gl::Context *context)
318 {
319 ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::swap");
320 context->onPreSwap();
321
322 context->getState().getOverlay()->onSwap();
323
324 ANGLE_TRY(mImplementation->swap(context));
325 postSwap(context);
326 return NoError();
327 }
328
swapWithDamage(const gl::Context * context,const EGLint * rects,EGLint n_rects)329 Error Surface::swapWithDamage(const gl::Context *context, const EGLint *rects, EGLint n_rects)
330 {
331 ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::swapWithDamage");
332 context->onPreSwap();
333
334 context->getState().getOverlay()->onSwap();
335
336 ANGLE_TRY(mImplementation->swapWithDamage(context, rects, n_rects));
337 postSwap(context);
338 return NoError();
339 }
340
swapWithFrameToken(const gl::Context * context,EGLFrameTokenANGLE frameToken)341 Error Surface::swapWithFrameToken(const gl::Context *context, EGLFrameTokenANGLE frameToken)
342 {
343 ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::swapWithFrameToken");
344 context->onPreSwap();
345
346 context->getState().getOverlay()->onSwap();
347
348 ANGLE_TRY(mImplementation->swapWithFrameToken(context, frameToken));
349 postSwap(context);
350 return NoError();
351 }
352
postSubBuffer(const gl::Context * context,EGLint x,EGLint y,EGLint width,EGLint height)353 Error Surface::postSubBuffer(const gl::Context *context,
354 EGLint x,
355 EGLint y,
356 EGLint width,
357 EGLint height)
358 {
359 if (width == 0 || height == 0)
360 {
361 return egl::NoError();
362 }
363
364 context->getState().getOverlay()->onSwap();
365
366 ANGLE_TRY(mImplementation->postSubBuffer(context, x, y, width, height));
367 postSwap(context);
368 return NoError();
369 }
370
setPresentationTime(EGLnsecsANDROID time)371 Error Surface::setPresentationTime(EGLnsecsANDROID time)
372 {
373 return mImplementation->setPresentationTime(time);
374 }
375
querySurfacePointerANGLE(EGLint attribute,void ** value)376 Error Surface::querySurfacePointerANGLE(EGLint attribute, void **value)
377 {
378 return mImplementation->querySurfacePointerANGLE(attribute, value);
379 }
380
isPostSubBufferSupported() const381 EGLint Surface::isPostSubBufferSupported() const
382 {
383 return mPostSubBufferRequested && mImplementation->isPostSubBufferSupported();
384 }
385
setSwapInterval(EGLint interval)386 void Surface::setSwapInterval(EGLint interval)
387 {
388 mImplementation->setSwapInterval(interval);
389 }
390
setMipmapLevel(EGLint level)391 void Surface::setMipmapLevel(EGLint level)
392 {
393 // Level is set but ignored
394 UNIMPLEMENTED();
395 mMipmapLevel = level;
396 }
397
setMultisampleResolve(EGLenum resolve)398 void Surface::setMultisampleResolve(EGLenum resolve)
399 {
400 // Behaviour is set but ignored
401 UNIMPLEMENTED();
402 mMultisampleResolve = resolve;
403 }
404
setSwapBehavior(EGLenum behavior)405 void Surface::setSwapBehavior(EGLenum behavior)
406 {
407 // Behaviour is set but ignored
408 UNIMPLEMENTED();
409 mState.swapBehavior = behavior;
410 }
411
setFixedWidth(EGLint width)412 void Surface::setFixedWidth(EGLint width)
413 {
414 mFixedWidth = width;
415 mImplementation->setFixedWidth(width);
416 }
417
setFixedHeight(EGLint height)418 void Surface::setFixedHeight(EGLint height)
419 {
420 mFixedHeight = height;
421 mImplementation->setFixedHeight(height);
422 }
423
getConfig() const424 const Config *Surface::getConfig() const
425 {
426 return mState.config;
427 }
428
getPixelAspectRatio() const429 EGLint Surface::getPixelAspectRatio() const
430 {
431 return mPixelAspectRatio;
432 }
433
getRenderBuffer() const434 EGLenum Surface::getRenderBuffer() const
435 {
436 return mRenderBuffer;
437 }
438
getSwapBehavior() const439 EGLenum Surface::getSwapBehavior() const
440 {
441 return mState.swapBehavior;
442 }
443
getTextureFormat() const444 TextureFormat Surface::getTextureFormat() const
445 {
446 return mTextureFormat;
447 }
448
getTextureTarget() const449 EGLenum Surface::getTextureTarget() const
450 {
451 return mTextureTarget;
452 }
453
getLargestPbuffer() const454 bool Surface::getLargestPbuffer() const
455 {
456 return mLargestPbuffer;
457 }
458
getGLColorspace() const459 EGLenum Surface::getGLColorspace() const
460 {
461 return mGLColorspace;
462 }
463
getVGAlphaFormat() const464 EGLenum Surface::getVGAlphaFormat() const
465 {
466 return mVGAlphaFormat;
467 }
468
getVGColorspace() const469 EGLenum Surface::getVGColorspace() const
470 {
471 return mVGColorspace;
472 }
473
getMipmapTexture() const474 bool Surface::getMipmapTexture() const
475 {
476 return mMipmapTexture;
477 }
478
getMipmapLevel() const479 EGLint Surface::getMipmapLevel() const
480 {
481 return mMipmapLevel;
482 }
483
getHorizontalResolution() const484 EGLint Surface::getHorizontalResolution() const
485 {
486 return mHorizontalResolution;
487 }
488
getVerticalResolution() const489 EGLint Surface::getVerticalResolution() const
490 {
491 return mVerticalResolution;
492 }
493
getMultisampleResolve() const494 EGLenum Surface::getMultisampleResolve() const
495 {
496 return mMultisampleResolve;
497 }
498
isFixedSize() const499 EGLint Surface::isFixedSize() const
500 {
501 return mFixedSize;
502 }
503
getWidth() const504 EGLint Surface::getWidth() const
505 {
506 return mFixedSize ? static_cast<EGLint>(mFixedWidth) : mImplementation->getWidth();
507 }
508
getHeight() const509 EGLint Surface::getHeight() const
510 {
511 return mFixedSize ? static_cast<EGLint>(mFixedHeight) : mImplementation->getHeight();
512 }
513
getUserWidth(const egl::Display * display,EGLint * value) const514 egl::Error Surface::getUserWidth(const egl::Display *display, EGLint *value) const
515 {
516 if (mFixedSize)
517 {
518 *value = static_cast<EGLint>(mFixedWidth);
519 return NoError();
520 }
521 else
522 {
523 return mImplementation->getUserWidth(display, value);
524 }
525 }
526
getUserHeight(const egl::Display * display,EGLint * value) const527 egl::Error Surface::getUserHeight(const egl::Display *display, EGLint *value) const
528 {
529 if (mFixedSize)
530 {
531 *value = static_cast<EGLint>(mFixedHeight);
532 return NoError();
533 }
534 else
535 {
536 return mImplementation->getUserHeight(display, value);
537 }
538 }
539
bindTexImage(gl::Context * context,gl::Texture * texture,EGLint buffer)540 Error Surface::bindTexImage(gl::Context *context, gl::Texture *texture, EGLint buffer)
541 {
542 ASSERT(!mTexture);
543 ANGLE_TRY(mImplementation->bindTexImage(context, texture, buffer));
544
545 if (texture->bindTexImageFromSurface(context, this) == angle::Result::Stop)
546 {
547 return Error(EGL_BAD_SURFACE);
548 }
549 mTexture = texture;
550 addRef();
551
552 return NoError();
553 }
554
releaseTexImage(const gl::Context * context,EGLint buffer)555 Error Surface::releaseTexImage(const gl::Context *context, EGLint buffer)
556 {
557 ASSERT(context);
558
559 ANGLE_TRY(mImplementation->releaseTexImage(context, buffer));
560
561 ASSERT(mTexture);
562 ANGLE_TRY(ResultToEGL(mTexture->releaseTexImageFromSurface(context)));
563
564 return releaseTexImageFromTexture(context);
565 }
566
getSyncValues(EGLuint64KHR * ust,EGLuint64KHR * msc,EGLuint64KHR * sbc)567 Error Surface::getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc)
568 {
569 return mImplementation->getSyncValues(ust, msc, sbc);
570 }
571
getMscRate(EGLint * numerator,EGLint * denominator)572 Error Surface::getMscRate(EGLint *numerator, EGLint *denominator)
573 {
574 return mImplementation->getMscRate(numerator, denominator);
575 }
576
releaseTexImageFromTexture(const gl::Context * context)577 Error Surface::releaseTexImageFromTexture(const gl::Context *context)
578 {
579 ASSERT(mTexture);
580 mTexture = nullptr;
581 return releaseRef(context->getDisplay());
582 }
583
getAttachmentSize(const gl::ImageIndex &) const584 gl::Extents Surface::getAttachmentSize(const gl::ImageIndex & /*target*/) const
585 {
586 return gl::Extents(getWidth(), getHeight(), 1);
587 }
588
getAttachmentFormat(GLenum binding,const gl::ImageIndex & target) const589 gl::Format Surface::getAttachmentFormat(GLenum binding, const gl::ImageIndex &target) const
590 {
591 return (binding == GL_BACK ? mColorFormat : mDSFormat);
592 }
593
getAttachmentSamples(const gl::ImageIndex & target) const594 GLsizei Surface::getAttachmentSamples(const gl::ImageIndex &target) const
595 {
596 return getConfig()->samples;
597 }
598
isRenderable(const gl::Context * context,GLenum binding,const gl::ImageIndex & imageIndex) const599 bool Surface::isRenderable(const gl::Context *context,
600 GLenum binding,
601 const gl::ImageIndex &imageIndex) const
602 {
603 return true;
604 }
605
isYUV() const606 bool Surface::isYUV() const
607 {
608 // EGL_EXT_yuv_surface is not implemented.
609 return false;
610 }
611
getId() const612 GLuint Surface::getId() const
613 {
614 UNREACHABLE();
615 return 0;
616 }
617
getBufferAgeImpl(const gl::Context * context,EGLint * age) const618 Error Surface::getBufferAgeImpl(const gl::Context *context, EGLint *age) const
619 {
620 // When EGL_BUFFER_PRESERVED, the previous frame contents are copied to
621 // current frame, so the buffer age is always 1.
622 if (mState.swapBehavior == EGL_BUFFER_PRESERVED)
623 {
624 if (age != nullptr)
625 {
626 *age = 1;
627 }
628 return egl::NoError();
629 }
630 return mImplementation->getBufferAge(context, age);
631 }
632
getBufferAge(const gl::Context * context,EGLint * age)633 Error Surface::getBufferAge(const gl::Context *context, EGLint *age)
634 {
635 Error err = getBufferAgeImpl(context, age);
636 if (!err.isError())
637 {
638 mBufferAgeQueriedSinceLastSwap = true;
639 }
640 return err;
641 }
642
createDefaultFramebuffer(const gl::Context * context,egl::Surface * readSurface)643 gl::Framebuffer *Surface::createDefaultFramebuffer(const gl::Context *context,
644 egl::Surface *readSurface)
645 {
646 return new gl::Framebuffer(context, this, readSurface);
647 }
648
initState(const gl::ImageIndex &) const649 gl::InitState Surface::initState(const gl::ImageIndex & /*imageIndex*/) const
650 {
651 return mInitState;
652 }
653
setInitState(const gl::ImageIndex &,gl::InitState initState)654 void Surface::setInitState(const gl::ImageIndex & /*imageIndex*/, gl::InitState initState)
655 {
656 mInitState = initState;
657 }
658
setTimestampsEnabled(bool enabled)659 void Surface::setTimestampsEnabled(bool enabled)
660 {
661 mImplementation->setTimestampsEnabled(enabled);
662 mState.timestampsEnabled = enabled;
663 }
664
isTimestampsEnabled() const665 bool Surface::isTimestampsEnabled() const
666 {
667 return mState.timestampsEnabled;
668 }
669
hasProtectedContent() const670 bool Surface::hasProtectedContent() const
671 {
672 return mState.hasProtectedContent();
673 }
674
getSupportedCompositorTimings() const675 const SupportedCompositorTiming &Surface::getSupportedCompositorTimings() const
676 {
677 return mState.supportedCompositorTimings;
678 }
679
getCompositorTiming(EGLint numTimestamps,const EGLint * names,EGLnsecsANDROID * values) const680 Error Surface::getCompositorTiming(EGLint numTimestamps,
681 const EGLint *names,
682 EGLnsecsANDROID *values) const
683 {
684 return mImplementation->getCompositorTiming(numTimestamps, names, values);
685 }
686
getNextFrameId(EGLuint64KHR * frameId) const687 Error Surface::getNextFrameId(EGLuint64KHR *frameId) const
688 {
689 return mImplementation->getNextFrameId(frameId);
690 }
691
getSupportedTimestamps() const692 const SupportedTimestamps &Surface::getSupportedTimestamps() const
693 {
694 return mState.supportedTimestamps;
695 }
696
getFrameTimestamps(EGLuint64KHR frameId,EGLint numTimestamps,const EGLint * timestamps,EGLnsecsANDROID * values) const697 Error Surface::getFrameTimestamps(EGLuint64KHR frameId,
698 EGLint numTimestamps,
699 const EGLint *timestamps,
700 EGLnsecsANDROID *values) const
701 {
702 return mImplementation->getFrameTimestamps(frameId, numTimestamps, timestamps, values);
703 }
704
onSubjectStateChange(angle::SubjectIndex index,angle::SubjectMessage message)705 void Surface::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
706 {
707 ASSERT(index == kSurfaceImplSubjectIndex);
708 switch (message)
709 {
710 case angle::SubjectMessage::SubjectChanged:
711 onStateChange(angle::SubjectMessage::ContentsChanged);
712 break;
713 case angle::SubjectMessage::SurfaceChanged:
714 onStateChange(angle::SubjectMessage::SurfaceChanged);
715 break;
716 default:
717 UNREACHABLE();
718 break;
719 }
720 }
721
setRenderBuffer(EGLint renderBuffer)722 Error Surface::setRenderBuffer(EGLint renderBuffer)
723 {
724 ANGLE_TRY(mImplementation->setRenderBuffer(renderBuffer));
725 mRenderBuffer = renderBuffer;
726 return NoError();
727 }
728
isLocked() const729 bool Surface::isLocked() const
730 {
731 return (mLockBufferPtr != nullptr);
732 }
733
getBitmapPitch() const734 EGLint Surface::getBitmapPitch() const
735 {
736 return mLockBufferPitch;
737 }
738
getBitmapOrigin() const739 EGLint Surface::getBitmapOrigin() const
740 {
741 return mImplementation->origin();
742 }
743
getRedOffset() const744 EGLint Surface::getRedOffset() const
745 {
746 const gl::InternalFormat &format = *mColorFormat.info;
747 if (gl::IsBGRAFormat(format.internalFormat))
748 {
749 return format.blueBits + format.greenBits;
750 }
751 else
752 {
753 return 0;
754 }
755 }
756
getGreenOffset() const757 EGLint Surface::getGreenOffset() const
758 {
759 const gl::InternalFormat &format = *mColorFormat.info;
760 if (gl::IsBGRAFormat(format.internalFormat))
761 {
762 return format.blueBits;
763 }
764 else
765 {
766 return format.redBits;
767 }
768 }
769
getBlueOffset() const770 EGLint Surface::getBlueOffset() const
771 {
772 const gl::InternalFormat &format = *mColorFormat.info;
773 if (gl::IsBGRAFormat(format.internalFormat))
774 {
775 return 0;
776 }
777 else
778 {
779 return format.redBits + format.greenBits;
780 }
781 }
782
getAlphaOffset() const783 EGLint Surface::getAlphaOffset() const
784 {
785 const gl::InternalFormat &format = *mColorFormat.info;
786 if (format.isLUMA())
787 {
788 return format.luminanceBits; // Luma always first, alpha optional
789 }
790 // For RGBA/BGRA alpha is last
791 return format.blueBits + format.greenBits + format.redBits;
792 }
793
getLuminanceOffset() const794 EGLint Surface::getLuminanceOffset() const
795 {
796 return 0;
797 }
798
getBitmapPixelSize() const799 EGLint Surface::getBitmapPixelSize() const
800 {
801 constexpr EGLint kBitsPerByte = 8;
802 const gl::InternalFormat &format = *mColorFormat.info;
803 return (format.pixelBytes * kBitsPerByte);
804 }
805
getBitmapPointer() const806 EGLAttribKHR Surface::getBitmapPointer() const
807 {
808 return static_cast<EGLAttribKHR>((intptr_t)mLockBufferPtr);
809 }
810
lockSurfaceKHR(const egl::Display * display,const AttributeMap & attributes)811 egl::Error Surface::lockSurfaceKHR(const egl::Display *display, const AttributeMap &attributes)
812 {
813 EGLint lockBufferUsageHint = attributes.getAsInt(
814 EGL_LOCK_USAGE_HINT_KHR, (EGL_READ_SURFACE_BIT_KHR | EGL_WRITE_SURFACE_BIT_KHR));
815
816 bool preservePixels = ((attributes.getAsInt(EGL_MAP_PRESERVE_PIXELS_KHR, false) == EGL_TRUE) ||
817 (mState.swapBehavior == EGL_BUFFER_PRESERVED));
818
819 return mImplementation->lockSurface(display, lockBufferUsageHint, preservePixels,
820 &mLockBufferPtr, &mLockBufferPitch);
821 }
822
unlockSurfaceKHR(const egl::Display * display)823 egl::Error Surface::unlockSurfaceKHR(const egl::Display *display)
824 {
825 mLockBufferPtr = nullptr;
826 mLockBufferPitch = 0;
827 return mImplementation->unlockSurface(display, true);
828 }
829
WindowSurface(rx::EGLImplFactory * implFactory,const egl::Config * config,EGLNativeWindowType window,const AttributeMap & attribs,bool robustResourceInit)830 WindowSurface::WindowSurface(rx::EGLImplFactory *implFactory,
831 const egl::Config *config,
832 EGLNativeWindowType window,
833 const AttributeMap &attribs,
834 bool robustResourceInit)
835 : Surface(EGL_WINDOW_BIT, config, attribs, robustResourceInit)
836 {
837 mImplementation = implFactory->createWindowSurface(mState, window, attribs);
838 }
839
setDamageRegion(const EGLint * rects,EGLint n_rects)840 void Surface::setDamageRegion(const EGLint *rects, EGLint n_rects)
841 {
842 mIsDamageRegionSet = true;
843 }
844
~WindowSurface()845 WindowSurface::~WindowSurface() {}
846
PbufferSurface(rx::EGLImplFactory * implFactory,const Config * config,const AttributeMap & attribs,bool robustResourceInit)847 PbufferSurface::PbufferSurface(rx::EGLImplFactory *implFactory,
848 const Config *config,
849 const AttributeMap &attribs,
850 bool robustResourceInit)
851 : Surface(EGL_PBUFFER_BIT, config, attribs, robustResourceInit)
852 {
853 mImplementation = implFactory->createPbufferSurface(mState, attribs);
854 }
855
PbufferSurface(rx::EGLImplFactory * implFactory,const Config * config,EGLenum buftype,EGLClientBuffer clientBuffer,const AttributeMap & attribs,bool robustResourceInit)856 PbufferSurface::PbufferSurface(rx::EGLImplFactory *implFactory,
857 const Config *config,
858 EGLenum buftype,
859 EGLClientBuffer clientBuffer,
860 const AttributeMap &attribs,
861 bool robustResourceInit)
862 : Surface(EGL_PBUFFER_BIT, config, attribs, robustResourceInit, buftype)
863 {
864 mImplementation =
865 implFactory->createPbufferFromClientBuffer(mState, buftype, clientBuffer, attribs);
866 }
867
~PbufferSurface()868 PbufferSurface::~PbufferSurface() {}
869
PixmapSurface(rx::EGLImplFactory * implFactory,const Config * config,NativePixmapType nativePixmap,const AttributeMap & attribs,bool robustResourceInit)870 PixmapSurface::PixmapSurface(rx::EGLImplFactory *implFactory,
871 const Config *config,
872 NativePixmapType nativePixmap,
873 const AttributeMap &attribs,
874 bool robustResourceInit)
875 : Surface(EGL_PIXMAP_BIT, config, attribs, robustResourceInit)
876 {
877 mImplementation = implFactory->createPixmapSurface(mState, nativePixmap, attribs);
878 }
879
~PixmapSurface()880 PixmapSurface::~PixmapSurface() {}
881
882 // SurfaceDeleter implementation.
883
SurfaceDeleter(const Display * display)884 SurfaceDeleter::SurfaceDeleter(const Display *display) : mDisplay(display) {}
885
~SurfaceDeleter()886 SurfaceDeleter::~SurfaceDeleter() {}
887
operator ()(Surface * surface)888 void SurfaceDeleter::operator()(Surface *surface)
889 {
890 ANGLE_SWALLOW_ERR(surface->onDestroy(mDisplay));
891 }
892
893 } // namespace egl
894