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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/renderers/skcanvas_video_renderer.h" | 5 #include "media/renderers/skcanvas_video_renderer.h" |
6 | 6 |
| 7 #include <GLES3/gl3.h> |
7 #include <limits> | 8 #include <limits> |
8 | 9 |
9 #include "base/macros.h" | 10 #include "base/macros.h" |
10 #include "gpu/GLES2/gl2extchromium.h" | 11 #include "gpu/GLES2/gl2extchromium.h" |
11 #include "gpu/command_buffer/client/gles2_interface.h" | 12 #include "gpu/command_buffer/client/gles2_interface.h" |
12 #include "gpu/command_buffer/common/mailbox_holder.h" | 13 #include "gpu/command_buffer/common/mailbox_holder.h" |
| 14 #include "media/base/data_buffer.h" |
13 #include "media/base/video_frame.h" | 15 #include "media/base/video_frame.h" |
14 #include "media/base/yuv_convert.h" | 16 #include "media/base/yuv_convert.h" |
15 #include "skia/ext/texture_handle.h" | 17 #include "skia/ext/texture_handle.h" |
16 #include "third_party/libyuv/include/libyuv.h" | 18 #include "third_party/libyuv/include/libyuv.h" |
17 #include "third_party/skia/include/core/SkCanvas.h" | 19 #include "third_party/skia/include/core/SkCanvas.h" |
18 #include "third_party/skia/include/core/SkImage.h" | 20 #include "third_party/skia/include/core/SkImage.h" |
19 #include "third_party/skia/include/core/SkImageGenerator.h" | 21 #include "third_party/skia/include/core/SkImageGenerator.h" |
20 #include "third_party/skia/include/gpu/GrContext.h" | 22 #include "third_party/skia/include/gpu/GrContext.h" |
21 #include "third_party/skia/include/gpu/GrPaint.h" | 23 #include "third_party/skia/include/gpu/GrPaint.h" |
22 #include "third_party/skia/include/gpu/GrTexture.h" | 24 #include "third_party/skia/include/gpu/GrTexture.h" |
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158 return img; | 160 return img; |
159 } | 161 } |
160 | 162 |
161 // Creates a SkImage from a |video_frame| backed by native resources. | 163 // Creates a SkImage from a |video_frame| backed by native resources. |
162 // The SkImage will take ownership of the underlying resource. | 164 // The SkImage will take ownership of the underlying resource. |
163 sk_sp<SkImage> NewSkImageFromVideoFrameNative(VideoFrame* video_frame, | 165 sk_sp<SkImage> NewSkImageFromVideoFrameNative(VideoFrame* video_frame, |
164 const Context3D& context_3d) { | 166 const Context3D& context_3d) { |
165 DCHECK(PIXEL_FORMAT_ARGB == video_frame->format() || | 167 DCHECK(PIXEL_FORMAT_ARGB == video_frame->format() || |
166 PIXEL_FORMAT_XRGB == video_frame->format() || | 168 PIXEL_FORMAT_XRGB == video_frame->format() || |
167 PIXEL_FORMAT_NV12 == video_frame->format() || | 169 PIXEL_FORMAT_NV12 == video_frame->format() || |
168 PIXEL_FORMAT_UYVY == video_frame->format()); | 170 PIXEL_FORMAT_UYVY == video_frame->format() || |
| 171 PIXEL_FORMAT_Y8 == video_frame->format() || |
| 172 PIXEL_FORMAT_Y16 == video_frame->format()); |
169 | 173 |
170 const gpu::MailboxHolder& mailbox_holder = video_frame->mailbox_holder(0); | 174 const gpu::MailboxHolder& mailbox_holder = video_frame->mailbox_holder(0); |
171 DCHECK(mailbox_holder.texture_target == GL_TEXTURE_2D || | 175 DCHECK(mailbox_holder.texture_target == GL_TEXTURE_2D || |
172 mailbox_holder.texture_target == GL_TEXTURE_RECTANGLE_ARB || | 176 mailbox_holder.texture_target == GL_TEXTURE_RECTANGLE_ARB || |
173 mailbox_holder.texture_target == GL_TEXTURE_EXTERNAL_OES) | 177 mailbox_holder.texture_target == GL_TEXTURE_EXTERNAL_OES) |
174 << mailbox_holder.texture_target; | 178 << mailbox_holder.texture_target; |
175 | 179 |
176 gpu::gles2::GLES2Interface* gl = context_3d.gl; | 180 gpu::gles2::GLES2Interface* gl = context_3d.gl; |
177 unsigned source_texture = 0; | 181 unsigned source_texture = 0; |
178 if (mailbox_holder.texture_target != GL_TEXTURE_2D) { | 182 if (mailbox_holder.texture_target != GL_TEXTURE_2D) { |
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202 desc.fTextureHandle = | 206 desc.fTextureHandle = |
203 skia::GrGLTextureInfoToGrBackendObject(source_texture_info); | 207 skia::GrGLTextureInfoToGrBackendObject(source_texture_info); |
204 return SkImage::MakeFromAdoptedTexture(context_3d.gr_context, desc); | 208 return SkImage::MakeFromAdoptedTexture(context_3d.gr_context, desc); |
205 } | 209 } |
206 | 210 |
207 } // anonymous namespace | 211 } // anonymous namespace |
208 | 212 |
209 // Generates an RGB image from a VideoFrame. Convert YUV to RGB plain on GPU. | 213 // Generates an RGB image from a VideoFrame. Convert YUV to RGB plain on GPU. |
210 class VideoImageGenerator : public SkImageGenerator { | 214 class VideoImageGenerator : public SkImageGenerator { |
211 public: | 215 public: |
212 VideoImageGenerator(const scoped_refptr<VideoFrame>& frame) | 216 VideoImageGenerator(const scoped_refptr<VideoFrame>& frame, SkColorType type) |
213 : SkImageGenerator( | 217 : SkImageGenerator(SkImageInfo::Make(frame->visible_rect().width(), |
214 SkImageInfo::MakeN32Premul(frame->visible_rect().width(), | 218 frame->visible_rect().height(), |
215 frame->visible_rect().height())), | 219 type, |
| 220 kPremul_SkAlphaType)), |
216 frame_(frame) { | 221 frame_(frame) { |
217 DCHECK(!frame_->HasTextures()); | 222 DCHECK(!frame_->HasTextures()); |
218 } | 223 } |
219 ~VideoImageGenerator() override {} | 224 ~VideoImageGenerator() override {} |
220 | 225 |
221 protected: | 226 protected: |
222 bool onGetPixels(const SkImageInfo& info, | 227 bool onGetPixels(const SkImageInfo& info, |
223 void* pixels, | 228 void* pixels, |
224 size_t row_bytes, | 229 size_t row_bytes, |
225 SkPMColor ctable[], | 230 SkPMColor ctable[], |
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344 SkRect dest; | 349 SkRect dest; |
345 dest.set(dest_rect.x(), dest_rect.y(), dest_rect.right(), dest_rect.bottom()); | 350 dest.set(dest_rect.x(), dest_rect.y(), dest_rect.right(), dest_rect.bottom()); |
346 | 351 |
347 SkPaint paint; | 352 SkPaint paint; |
348 paint.setAlpha(alpha); | 353 paint.setAlpha(alpha); |
349 | 354 |
350 // Paint black rectangle if there isn't a frame available or the | 355 // Paint black rectangle if there isn't a frame available or the |
351 // frame has an unexpected format. | 356 // frame has an unexpected format. |
352 if (!video_frame.get() || video_frame->natural_size().IsEmpty() || | 357 if (!video_frame.get() || video_frame->natural_size().IsEmpty() || |
353 !(media::IsYuvPlanar(video_frame->format()) || | 358 !(media::IsYuvPlanar(video_frame->format()) || |
| 359 video_frame->format() == media::PIXEL_FORMAT_Y16 || |
354 video_frame->HasTextures())) { | 360 video_frame->HasTextures())) { |
355 canvas->drawRect(dest, paint); | 361 canvas->drawRect(dest, paint); |
356 canvas->flush(); | 362 canvas->flush(); |
357 return; | 363 return; |
358 } | 364 } |
359 | 365 |
360 gpu::gles2::GLES2Interface* gl = context_3d.gl; | 366 gpu::gles2::GLES2Interface* gl = context_3d.gl; |
361 if (!UpdateLastImage(video_frame, context_3d)) | 367 if (!UpdateLastImage(video_frame, context_3d)) |
362 return; | 368 return; |
363 | 369 |
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483 for (int row = 0; row < video_frame->rows(plane); row++) { | 489 for (int row = 0; row < video_frame->rows(plane); row++) { |
484 for (int x = 0; x < width; x++) { | 490 for (int x = 0; x < width; x++) { |
485 dst[x] = src[x] >> shift; | 491 dst[x] = src[x] >> shift; |
486 } | 492 } |
487 src += video_frame->stride(plane) / 2; | 493 src += video_frame->stride(plane) / 2; |
488 dst += ret->stride(plane); | 494 dst += ret->stride(plane); |
489 } | 495 } |
490 } | 496 } |
491 return ret; | 497 return ret; |
492 } | 498 } |
| 499 |
| 500 void ConvertY16ToRGBA(const VideoFrame* video_frame, |
| 501 void* rgba_pixels, |
| 502 size_t rgba_row_bytes) { |
| 503 const uint8_t* source = |
| 504 reinterpret_cast<const uint8_t*>(video_frame->visible_data(0)); |
| 505 uint8_t* out = reinterpret_cast<uint8_t*>(rgba_pixels); |
| 506 const size_t stride = video_frame->stride(0); |
| 507 for (int i = 0; i < video_frame->visible_rect().height(); ++i) { |
| 508 const uint16_t* row = reinterpret_cast<const uint16_t*>(source); |
| 509 uint32_t* rgba = reinterpret_cast<uint32_t*>(out); |
| 510 for (const uint16_t* row_end = row + video_frame->visible_rect().width(); |
| 511 row < row_end;) |
| 512 *rgba++ = *row++; |
| 513 out += rgba_row_bytes; |
| 514 source += stride; |
| 515 } |
| 516 } |
| 517 |
| 518 void FlipAndConvertY16(const uint8_t* input, |
| 519 uint8_t* output, |
| 520 unsigned format, |
| 521 unsigned type, |
| 522 bool flip_y, |
| 523 size_t row_bytes, |
| 524 size_t stride, |
| 525 size_t output_row_bytes, |
| 526 size_t height) { |
| 527 DCHECK(input != output); |
| 528 for (size_t i = 0; i < height; ++i) { |
| 529 const uint16_t* in = reinterpret_cast<const uint16_t*>(input + i * stride); |
| 530 uint8_t* out = flip_y ? output + output_row_bytes * (height - i - 1) |
| 531 : output + output_row_bytes * height; |
| 532 if ((format == GL_RG && type == GL_UNSIGNED_BYTE) || |
| 533 (format == GL_RED_INTEGER && type == GL_UNSIGNED_SHORT)) { |
| 534 memcpy(out, input + i * stride, row_bytes); |
| 535 } else if (format == GL_RED && type == GL_FLOAT) { |
| 536 float* out_row = reinterpret_cast<float*>(out); |
| 537 const uint16_t* in_end = in + row_bytes / 2; |
| 538 while (in < in_end) |
| 539 *out_row++ = *in++ / 65536.f; |
| 540 } else { |
| 541 NOTREACHED(); |
| 542 } |
| 543 } |
| 544 } |
| 545 |
| 546 bool isSingleRedComponentFormat(unsigned internal_format) { |
| 547 switch (internal_format) { |
| 548 case GL_R8: |
| 549 case GL_R16F: |
| 550 case GL_R32F: |
| 551 case GL_R8UI: |
| 552 case GL_R8I: |
| 553 case GL_R16UI: |
| 554 case GL_R16I: |
| 555 case GL_R32UI: |
| 556 case GL_R32I: |
| 557 return true; |
| 558 default: |
| 559 return false; |
| 560 } |
| 561 } |
493 } | 562 } |
494 | 563 |
495 // static | 564 // static |
496 void SkCanvasVideoRenderer::ConvertVideoFrameToRGBPixels( | 565 void SkCanvasVideoRenderer::ConvertVideoFrameToRGBPixels( |
497 const VideoFrame* video_frame, | 566 const VideoFrame* video_frame, |
498 void* rgb_pixels, | 567 void* rgb_pixels, |
499 size_t row_bytes) { | 568 size_t row_bytes) { |
500 if (!video_frame->IsMappable()) { | 569 if (!video_frame->IsMappable()) { |
501 NOTREACHED() << "Cannot extract pixels from non-CPU frame formats."; | 570 NOTREACHED() << "Cannot extract pixels from non-CPU frame formats."; |
502 return; | 571 return; |
503 } | 572 } |
504 if (!media::IsYuvPlanar(video_frame->format())) { | |
505 NOTREACHED() << "Non YUV formats are not supported"; | |
506 return; | |
507 } | |
508 | 573 |
509 switch (video_frame->format()) { | 574 switch (video_frame->format()) { |
510 case PIXEL_FORMAT_YV12: | 575 case PIXEL_FORMAT_YV12: |
511 case PIXEL_FORMAT_I420: | 576 case PIXEL_FORMAT_I420: |
512 if (CheckColorSpace(video_frame, COLOR_SPACE_JPEG)) { | 577 if (CheckColorSpace(video_frame, COLOR_SPACE_JPEG)) { |
513 LIBYUV_J420_TO_ARGB(video_frame->visible_data(VideoFrame::kYPlane), | 578 LIBYUV_J420_TO_ARGB(video_frame->visible_data(VideoFrame::kYPlane), |
514 video_frame->stride(VideoFrame::kYPlane), | 579 video_frame->stride(VideoFrame::kYPlane), |
515 video_frame->visible_data(VideoFrame::kUPlane), | 580 video_frame->visible_data(VideoFrame::kUPlane), |
516 video_frame->stride(VideoFrame::kUPlane), | 581 video_frame->stride(VideoFrame::kUPlane), |
517 video_frame->visible_data(VideoFrame::kVPlane), | 582 video_frame->visible_data(VideoFrame::kVPlane), |
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587 case PIXEL_FORMAT_YUV420P10: | 652 case PIXEL_FORMAT_YUV420P10: |
588 case PIXEL_FORMAT_YUV422P10: | 653 case PIXEL_FORMAT_YUV422P10: |
589 case PIXEL_FORMAT_YUV444P10: { | 654 case PIXEL_FORMAT_YUV444P10: { |
590 scoped_refptr<VideoFrame> temporary_frame = | 655 scoped_refptr<VideoFrame> temporary_frame = |
591 DownShiftHighbitVideoFrame(video_frame); | 656 DownShiftHighbitVideoFrame(video_frame); |
592 ConvertVideoFrameToRGBPixels(temporary_frame.get(), rgb_pixels, | 657 ConvertVideoFrameToRGBPixels(temporary_frame.get(), rgb_pixels, |
593 row_bytes); | 658 row_bytes); |
594 break; | 659 break; |
595 } | 660 } |
596 | 661 |
| 662 case PIXEL_FORMAT_Y16: |
| 663 ConvertY16ToRGBA(video_frame, rgb_pixels, row_bytes); |
| 664 break; |
| 665 |
597 case PIXEL_FORMAT_NV12: | 666 case PIXEL_FORMAT_NV12: |
598 case PIXEL_FORMAT_NV21: | 667 case PIXEL_FORMAT_NV21: |
599 case PIXEL_FORMAT_UYVY: | 668 case PIXEL_FORMAT_UYVY: |
600 case PIXEL_FORMAT_YUY2: | 669 case PIXEL_FORMAT_YUY2: |
601 case PIXEL_FORMAT_ARGB: | 670 case PIXEL_FORMAT_ARGB: |
602 case PIXEL_FORMAT_XRGB: | 671 case PIXEL_FORMAT_XRGB: |
603 case PIXEL_FORMAT_RGB24: | 672 case PIXEL_FORMAT_RGB24: |
604 case PIXEL_FORMAT_RGB32: | 673 case PIXEL_FORMAT_RGB32: |
605 case PIXEL_FORMAT_MJPEG: | 674 case PIXEL_FORMAT_MJPEG: |
606 case PIXEL_FORMAT_MT21: | 675 case PIXEL_FORMAT_MT21: |
| 676 case PIXEL_FORMAT_Y8: |
607 case PIXEL_FORMAT_UNKNOWN: | 677 case PIXEL_FORMAT_UNKNOWN: |
608 NOTREACHED(); | 678 NOTREACHED() << "Only YUV formats and Y16 are supported."; |
609 } | 679 } |
610 } | 680 } |
611 | 681 |
612 // static | 682 // static |
613 void SkCanvasVideoRenderer::CopyVideoFrameSingleTextureToGLTexture( | 683 void SkCanvasVideoRenderer::CopyVideoFrameSingleTextureToGLTexture( |
614 gpu::gles2::GLES2Interface* gl, | 684 gpu::gles2::GLES2Interface* gl, |
615 VideoFrame* video_frame, | 685 VideoFrame* video_frame, |
616 unsigned int texture, | 686 unsigned int texture, |
617 unsigned int internal_format, | 687 unsigned int internal_format, |
618 unsigned int type, | 688 unsigned int type, |
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698 // canvas context. | 768 // canvas context. |
699 const GLuint64 dest_fence_sync = destination_gl->InsertFenceSyncCHROMIUM(); | 769 const GLuint64 dest_fence_sync = destination_gl->InsertFenceSyncCHROMIUM(); |
700 destination_gl->ShallowFlushCHROMIUM(); | 770 destination_gl->ShallowFlushCHROMIUM(); |
701 gpu::SyncToken dest_sync_token; | 771 gpu::SyncToken dest_sync_token; |
702 destination_gl->GenSyncTokenCHROMIUM(dest_fence_sync, | 772 destination_gl->GenSyncTokenCHROMIUM(dest_fence_sync, |
703 dest_sync_token.GetData()); | 773 dest_sync_token.GetData()); |
704 canvas_gl->WaitSyncTokenCHROMIUM(dest_sync_token.GetConstData()); | 774 canvas_gl->WaitSyncTokenCHROMIUM(dest_sync_token.GetConstData()); |
705 | 775 |
706 SyncTokenClientImpl client(canvas_gl); | 776 SyncTokenClientImpl client(canvas_gl); |
707 video_frame->UpdateReleaseSyncToken(&client); | 777 video_frame->UpdateReleaseSyncToken(&client); |
| 778 } else if (video_frame->format() == PIXEL_FORMAT_Y16 && |
| 779 isSingleRedComponentFormat(internal_format)) { |
| 780 CopyRG8ToRedTextureData(context_3d, destination_gl, video_frame.get(), |
| 781 texture, internal_format, type, flip_y); |
708 } else { | 782 } else { |
709 CopyVideoFrameSingleTextureToGLTexture(destination_gl, video_frame.get(), | 783 CopyVideoFrameSingleTextureToGLTexture(destination_gl, video_frame.get(), |
710 texture, internal_format, type, | 784 texture, internal_format, type, |
711 premultiply_alpha, flip_y); | 785 premultiply_alpha, flip_y); |
712 } | 786 } |
713 | |
714 return true; | 787 return true; |
715 } | 788 } |
716 | 789 |
| 790 bool SkCanvasVideoRenderer::TexImageImpl(const char* functionID, |
| 791 unsigned target, |
| 792 gpu::gles2::GLES2Interface* gl, |
| 793 VideoFrame* frame, |
| 794 int level, |
| 795 int internalformat, |
| 796 unsigned format, |
| 797 unsigned type, |
| 798 int xoffset, |
| 799 int yoffset, |
| 800 int zoffset, |
| 801 bool flip_y, |
| 802 bool premultiplyAlpha) { |
| 803 DCHECK(frame); |
| 804 DCHECK(!frame->HasTextures()); |
| 805 |
| 806 bool has_alpha = false; |
| 807 bool need_conversion = false; |
| 808 unsigned output_bits_per_pixel; |
| 809 switch (frame->format()) { |
| 810 case PIXEL_FORMAT_Y16: |
| 811 // Allow reinterpreting RG8 buffer here as R16 or FLOAT. |
| 812 if ((format != GL_RED_INTEGER || type != GL_UNSIGNED_SHORT) && |
| 813 (format != GL_RG || type != GL_UNSIGNED_BYTE) && |
| 814 (format != GL_RED || type != GL_FLOAT)) |
| 815 return false; |
| 816 need_conversion = |
| 817 !(format == GL_RED_INTEGER && type == GL_UNSIGNED_SHORT) && |
| 818 !(format == GL_RG && type == GL_UNSIGNED_BYTE); |
| 819 output_bits_per_pixel = (type == GL_FLOAT) ? 32 : 16; |
| 820 break; |
| 821 case PIXEL_FORMAT_Y8: |
| 822 if (format != GL_RED || type != GL_UNSIGNED_BYTE) |
| 823 return false; |
| 824 output_bits_per_pixel = 8; |
| 825 break; |
| 826 default: |
| 827 return false; |
| 828 } |
| 829 need_conversion = |
| 830 need_conversion || (frame->stride(0) != frame->row_bytes(0)); |
| 831 unsigned source_bits_per_pixel = |
| 832 VideoFrame::PlaneBitsPerPixel(frame->format(), 0); |
| 833 DCHECK_EQ(source_bits_per_pixel % 8, 0U); |
| 834 |
| 835 if (has_alpha && premultiplyAlpha) { |
| 836 NOTREACHED() << "Premultiply alpha is not supported."; |
| 837 return false; |
| 838 } |
| 839 if (xoffset || yoffset || zoffset) { |
| 840 NOTREACHED() << "Offsets are not supported."; |
| 841 return false; |
| 842 } |
| 843 |
| 844 // Handle other than Y16 formats here only if there is no repacking required. |
| 845 // The reason for this is that this method handles Y16 specifics and provides |
| 846 // optimization (compared to default implementation in |
| 847 // WebGLRenderingContextBase::texImageImpl) for situations where there is no |
| 848 // need to do repacking pixel data. |
| 849 if (frame->format() != PIXEL_FORMAT_Y16 && (flip_y || need_conversion)) |
| 850 return false; |
| 851 |
| 852 uint8_t* data; |
| 853 scoped_refptr<DataBuffer> temp_buffer; |
| 854 size_t width = frame->visible_rect().width(); |
| 855 size_t height = frame->visible_rect().height(); |
| 856 if (flip_y || need_conversion) { |
| 857 size_t output_row_bytes = |
| 858 frame->row_bytes(0) * output_bits_per_pixel / source_bits_per_pixel; |
| 859 temp_buffer = new DataBuffer(output_row_bytes * height); |
| 860 data = temp_buffer->writable_data(); |
| 861 DCHECK_EQ(frame->format(), PIXEL_FORMAT_Y16); |
| 862 FlipAndConvertY16(frame->visible_data(0), data, format, type, flip_y, |
| 863 frame->row_bytes(0), frame->stride(0), output_row_bytes, |
| 864 height); |
| 865 } else { |
| 866 data = frame->visible_data(0); |
| 867 } |
| 868 |
| 869 if (!strcmp(functionID, "texImage2D")) { |
| 870 gl->TexImage2D(target, level, internalformat, width, height, 0, format, |
| 871 type, data); |
| 872 } else if (!strcmp(functionID, "texSubImage2D")) { |
| 873 gl->TexSubImage2D(target, level, xoffset, yoffset, width, height, format, |
| 874 type, data); |
| 875 } else { |
| 876 DCHECK(!strcmp(functionID, "texSubImage3D")); |
| 877 gl->TexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, |
| 878 1, format, type, data); |
| 879 } |
| 880 return true; |
| 881 } |
| 882 |
| 883 void SkCanvasVideoRenderer::CopyRG8ToRedTextureData( |
| 884 const Context3D& context_3d, |
| 885 gpu::gles2::GLES2Interface* target_gl, |
| 886 VideoFrame* frame, |
| 887 unsigned texture, |
| 888 unsigned internal_format, |
| 889 unsigned type, |
| 890 bool flip_y) { |
| 891 // TODO(astojilj): After GLES 3.2, use glCopyImageSubData for RG8 to R16UI |
| 892 // conversion. glCopyImageSubData is already available as extension on some of |
| 893 // the Android devices (GL_EXT_COPY_IMAGE). |
| 894 gpu::gles2::GLES2Interface* local_gl = context_3d.gl; |
| 895 |
| 896 // Get source texture on local_gl. |
| 897 unsigned source_texture; |
| 898 { |
| 899 const gpu::MailboxHolder& mailbox_holder = frame->mailbox_holder(0); |
| 900 DCHECK(mailbox_holder.texture_target == GL_TEXTURE_2D) |
| 901 << mailbox_holder.texture_target; |
| 902 |
| 903 local_gl->WaitSyncTokenCHROMIUM(mailbox_holder.sync_token.GetConstData()); |
| 904 source_texture = local_gl->CreateAndConsumeTextureCHROMIUM( |
| 905 mailbox_holder.texture_target, mailbox_holder.mailbox.name); |
| 906 } |
| 907 |
| 908 // Reinterpret RG8 to R32F on local_gl. Later, do the copy on target_gl. |
| 909 unsigned intermediate_texture; |
| 910 local_gl->GenTextures(1, &intermediate_texture); |
| 911 DoCopyRG8ToRedTextureData(context_3d, source_texture, intermediate_texture, |
| 912 GL_R32F, GL_FLOAT, frame->visible_rect().width(), |
| 913 frame->visible_rect().height(), flip_y); |
| 914 local_gl->DeleteTextures(1, &source_texture); |
| 915 |
| 916 // Get intermediate_texture to target_gl. |
| 917 { |
| 918 gpu::MailboxHolder mailbox_holder; |
| 919 mailbox_holder.texture_target = GL_TEXTURE_2D; |
| 920 local_gl->GenMailboxCHROMIUM(mailbox_holder.mailbox.name); |
| 921 local_gl->ProduceTextureDirectCHROMIUM(intermediate_texture, |
| 922 mailbox_holder.texture_target, |
| 923 mailbox_holder.mailbox.name); |
| 924 // Wait for mailbox creation on local context before consuming it and |
| 925 // copying from it on the consumer context. |
| 926 const GLuint64 fence_sync = local_gl->InsertFenceSyncCHROMIUM(); |
| 927 local_gl->ShallowFlushCHROMIUM(); |
| 928 local_gl->GenSyncTokenCHROMIUM(fence_sync, |
| 929 mailbox_holder.sync_token.GetData()); |
| 930 |
| 931 target_gl->WaitSyncTokenCHROMIUM(mailbox_holder.sync_token.GetConstData()); |
| 932 uint32_t target_intermediate_texture = |
| 933 target_gl->CreateAndConsumeTextureCHROMIUM( |
| 934 mailbox_holder.texture_target, mailbox_holder.mailbox.name); |
| 935 |
| 936 local_gl->DeleteTextures(1, &intermediate_texture); |
| 937 intermediate_texture = target_intermediate_texture; |
| 938 } |
| 939 |
| 940 // Copy intermediate_texture to texture. |
| 941 target_gl->CopyTextureCHROMIUM(intermediate_texture, texture, internal_format, |
| 942 type, false, false, false); |
| 943 target_gl->DeleteTextures(1, &intermediate_texture); |
| 944 |
| 945 // Undo gr_context state changes introduced in this function. |
| 946 context_3d.gr_context->resetContext( |
| 947 kMisc_GrGLBackendState | kBlend_GrGLBackendState | |
| 948 kView_GrGLBackendState | kStencil_GrGLBackendState | |
| 949 kVertex_GrGLBackendState | kProgram_GrGLBackendState | |
| 950 kTextureBinding_GrGLBackendState); |
| 951 SyncTokenClientImpl client(target_gl); |
| 952 frame->UpdateReleaseSyncToken(&client); |
| 953 } |
| 954 |
| 955 void SkCanvasVideoRenderer::DoCopyRG8ToRedTextureData( |
| 956 const Context3D& context_3d, |
| 957 unsigned source_texture, |
| 958 unsigned texture, |
| 959 unsigned internal_format, |
| 960 unsigned type, |
| 961 unsigned width, |
| 962 unsigned height, |
| 963 bool flip_y) { |
| 964 gpu::gles2::GLES2Interface* gl = context_3d.gl; |
| 965 |
| 966 if (cached_gl_resources_gr_context_id_ != context_3d.gr_context->uniqueID()) { |
| 967 rg8_to_red_program_ = 0; |
| 968 rg8_to_red_vertices_buffer_ = 0; |
| 969 cached_gl_resources_gr_context_id_ = context_3d.gr_context->uniqueID(); |
| 970 } |
| 971 |
| 972 gl->EnableVertexAttribArray(0); |
| 973 if (!rg8_to_red_vertices_buffer_) { |
| 974 gl->GenBuffers(1, &rg8_to_red_vertices_buffer_); |
| 975 gl->BindBuffer(GL_ARRAY_BUFFER, rg8_to_red_vertices_buffer_); |
| 976 const GLfloat vertices[] = {-1.f, -1.f, 1.f, -1.f, -1.0f, 1.f, 1.f, 1.f}; |
| 977 gl->BufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW); |
| 978 gl->VertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0); |
| 979 } |
| 980 |
| 981 if (!rg8_to_red_program_) { |
| 982 rg8_to_red_program_ = gl->CreateProgram(); |
| 983 GLuint vertex_shader = gl->CreateShader(GL_VERTEX_SHADER); |
| 984 std::string source = std::string( |
| 985 "\ |
| 986 #ifdef GL_ES\n\ |
| 987 precision mediump float;\n\ |
| 988 #define TexCoordPrecision mediump\n\ |
| 989 #else\n\ |
| 990 #define TexCoordPrecision\n\ |
| 991 #endif\n\ |
| 992 uniform vec2 coord_transform;\n\ |
| 993 attribute vec2 a_pos;\n\ |
| 994 varying TexCoordPrecision vec2 v_uv;\n\ |
| 995 void main(void) {\n\ |
| 996 gl_Position = vec4(a_pos, 0, 1.0);\n\ |
| 997 v_uv = (a_pos * coord_transform) + 0.5;\n\ |
| 998 }\n"); |
| 999 const char* vertex_source = source.c_str(); |
| 1000 gl->ShaderSource(vertex_shader, 1, &vertex_source, 0); |
| 1001 gl->CompileShader(vertex_shader); |
| 1002 gl->AttachShader(rg8_to_red_program_, vertex_shader); |
| 1003 |
| 1004 GLuint fragment_shader = gl->CreateShader(GL_FRAGMENT_SHADER); |
| 1005 source = std::string( |
| 1006 "\ |
| 1007 #ifdef GL_ES\n\ |
| 1008 precision mediump float;\n\ |
| 1009 #define TexCoordPrecision mediump\n\ |
| 1010 #else\n\ |
| 1011 #define TexCoordPrecision\n\ |
| 1012 #endif\n\ |
| 1013 uniform sampler2D u_sampler;\n\ |
| 1014 varying TexCoordPrecision vec2 v_uv;\n\ |
| 1015 void main(void) {\n\ |
| 1016 vec4 color = texture2D(u_sampler, v_uv);\n\ |
| 1017 gl_FragColor.r = (color.r * 0.00390625) + color.g;\n\ |
| 1018 }\n"); |
| 1019 const char* fragment_source = source.c_str(); |
| 1020 gl->ShaderSource(fragment_shader, 1, &fragment_source, 0); |
| 1021 gl->CompileShader(fragment_shader); |
| 1022 |
| 1023 gl->AttachShader(rg8_to_red_program_, fragment_shader); |
| 1024 |
| 1025 gl->BindAttribLocation(rg8_to_red_program_, 0, "a_pos"); |
| 1026 gl->LinkProgram(rg8_to_red_program_); |
| 1027 } |
| 1028 |
| 1029 gl->UseProgram(rg8_to_red_program_); |
| 1030 gl->Uniform1i(gl->GetUniformLocation(rg8_to_red_program_, "u_sampler"), 0); |
| 1031 gl->Uniform2f(gl->GetUniformLocation(rg8_to_red_program_, "coord_transform"), |
| 1032 0.5, flip_y ? -0.5 : 0.5); |
| 1033 |
| 1034 GLuint fbo; |
| 1035 gl->GenFramebuffers(1, &fbo); |
| 1036 gl->ActiveTexture(GL_TEXTURE0); |
| 1037 unsigned target = GL_TEXTURE_2D; |
| 1038 gl->BindTexture(target, texture); |
| 1039 gl->TexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, GL_RED, |
| 1040 type, 0); |
| 1041 |
| 1042 gl->TexParameterf(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| 1043 gl->TexParameterf(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| 1044 gl->TexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| 1045 gl->TexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| 1046 gl->BindFramebuffer(GL_FRAMEBUFFER, fbo); |
| 1047 gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, target, |
| 1048 texture, 0); |
| 1049 |
| 1050 gl->BindTexture(target, source_texture); |
| 1051 gl->TexParameterf(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| 1052 gl->TexParameterf(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| 1053 gl->TexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| 1054 gl->TexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| 1055 |
| 1056 gl->Disable(GL_DEPTH_TEST); |
| 1057 gl->Disable(GL_STENCIL_TEST); |
| 1058 gl->Disable(GL_CULL_FACE); |
| 1059 gl->ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); |
| 1060 gl->DepthMask(GL_FALSE); |
| 1061 gl->Disable(GL_BLEND); |
| 1062 gl->Disable(GL_SCISSOR_TEST); |
| 1063 gl->Viewport(0, 0, width, height); |
| 1064 gl->DrawArrays(GL_TRIANGLE_STRIP, 0, 4); |
| 1065 gl->Flush(); |
| 1066 gl->BindFramebuffer(GL_FRAMEBUFFER, 0); |
| 1067 gl->DeleteFramebuffers(1, &fbo); |
| 1068 } |
| 1069 |
717 void SkCanvasVideoRenderer::ResetCache() { | 1070 void SkCanvasVideoRenderer::ResetCache() { |
718 DCHECK(thread_checker_.CalledOnValidThread()); | 1071 DCHECK(thread_checker_.CalledOnValidThread()); |
719 // Clear cached values. | 1072 // Clear cached values. |
720 last_image_ = nullptr; | 1073 last_image_ = nullptr; |
721 last_timestamp_ = kNoTimestamp; | 1074 last_timestamp_ = kNoTimestamp; |
722 } | 1075 } |
723 | 1076 |
724 bool SkCanvasVideoRenderer::UpdateLastImage( | 1077 bool SkCanvasVideoRenderer::UpdateLastImage( |
725 const scoped_refptr<VideoFrame>& video_frame, | 1078 const scoped_refptr<VideoFrame>& video_frame, |
726 const Context3D& context_3d) { | 1079 const Context3D& context_3d) { |
727 if (!last_image_ || video_frame->timestamp() != last_timestamp_) { | 1080 if (!last_image_ || video_frame->timestamp() != last_timestamp_) { |
728 ResetCache(); | 1081 ResetCache(); |
729 // Generate a new image. | 1082 // Generate a new image. |
730 // Note: Skia will hold onto |video_frame| via |video_generator| only when | 1083 // Note: Skia will hold onto |video_frame| via |video_generator| only when |
731 // |video_frame| is software. | 1084 // |video_frame| is software. |
732 // Holding |video_frame| longer than this call when using GPUVideoDecoder | 1085 // Holding |video_frame| longer than this call when using GPUVideoDecoder |
733 // could cause problems since the pool of VideoFrames has a fixed size. | 1086 // could cause problems since the pool of VideoFrames has a fixed size. |
734 if (video_frame->HasTextures()) { | 1087 if (video_frame->HasTextures()) { |
735 DCHECK(context_3d.gr_context); | 1088 DCHECK(context_3d.gr_context); |
736 DCHECK(context_3d.gl); | 1089 DCHECK(context_3d.gl); |
737 if (media::VideoFrame::NumPlanes(video_frame->format()) > 1) { | 1090 if (media::VideoFrame::NumPlanes(video_frame->format()) > 1) { |
738 last_image_ = | 1091 last_image_ = |
739 NewSkImageFromVideoFrameYUVTextures(video_frame.get(), context_3d); | 1092 NewSkImageFromVideoFrameYUVTextures(video_frame.get(), context_3d); |
740 } else { | 1093 } else { |
741 last_image_ = | 1094 last_image_ = |
742 NewSkImageFromVideoFrameNative(video_frame.get(), context_3d); | 1095 NewSkImageFromVideoFrameNative(video_frame.get(), context_3d); |
743 } | 1096 } |
744 } else { | 1097 } else { |
745 auto* video_generator = new VideoImageGenerator(video_frame); | 1098 auto* video_generator = new VideoImageGenerator( |
| 1099 video_frame, (video_frame->format() == media::PIXEL_FORMAT_Y16) |
| 1100 ? kRGBA_8888_SkColorType |
| 1101 : kN32_SkColorType); |
746 last_image_ = SkImage::MakeFromGenerator(video_generator); | 1102 last_image_ = SkImage::MakeFromGenerator(video_generator); |
747 } | 1103 } |
748 if (!last_image_) // Couldn't create the SkImage. | 1104 if (!last_image_) // Couldn't create the SkImage. |
749 return false; | 1105 return false; |
750 last_timestamp_ = video_frame->timestamp(); | 1106 last_timestamp_ = video_frame->timestamp(); |
751 } | 1107 } |
752 last_image_deleting_timer_.Reset(); | 1108 last_image_deleting_timer_.Reset(); |
753 DCHECK(!!last_image_); | 1109 DCHECK(!!last_image_); |
754 return true; | 1110 return true; |
755 } | 1111 } |
756 | 1112 |
757 } // namespace media | 1113 } // namespace media |
OLD | NEW |