diff options
Diffstat (limited to 'libs/hwui/pipeline/skia/SkiaOpenGLReadback.cpp')
| -rw-r--r-- | libs/hwui/pipeline/skia/SkiaOpenGLReadback.cpp | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/libs/hwui/pipeline/skia/SkiaOpenGLReadback.cpp b/libs/hwui/pipeline/skia/SkiaOpenGLReadback.cpp deleted file mode 100644 index 0760f1610891..000000000000 --- a/libs/hwui/pipeline/skia/SkiaOpenGLReadback.cpp +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (C) 2016 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "SkiaOpenGLReadback.h" - -#include <GLES2/gl2.h> -#include <GLES2/gl2ext.h> -#include <GrBackendSurface.h> -#include <SkCanvas.h> -#include <SkSurface.h> -#include <gl/GrGLInterface.h> -#include <gl/GrGLTypes.h> -#include "DeviceInfo.h" -#include "Matrix.h" -#include "Properties.h" -#include "utils/MathUtils.h" - -using namespace android::uirenderer::renderthread; - -namespace android { -namespace uirenderer { -namespace skiapipeline { - -CopyResult SkiaOpenGLReadback::copyImageInto(EGLImageKHR eglImage, const Matrix4& imgTransform, - int imgWidth, int imgHeight, const Rect& srcRect, - SkBitmap* bitmap) { - GLuint sourceTexId; - glGenTextures(1, &sourceTexId); - glBindTexture(GL_TEXTURE_EXTERNAL_OES, sourceTexId); - glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, eglImage); - - sk_sp<GrContext> grContext = sk_ref_sp(mRenderThread.getGrContext()); - if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) { - sk_sp<const GrGLInterface> glInterface(GrGLCreateNativeInterface()); - LOG_ALWAYS_FATAL_IF(!glInterface.get()); - grContext = GrContext::MakeGL(std::move(glInterface)); - } else { - grContext->resetContext(); - } - - GrGLTextureInfo externalTexture; - externalTexture.fTarget = GL_TEXTURE_EXTERNAL_OES; - externalTexture.fID = sourceTexId; - - GrPixelConfig pixelConfig; - switch (bitmap->colorType()) { - case kRGBA_F16_SkColorType: - pixelConfig = kRGBA_half_GrPixelConfig; - break; - case kN32_SkColorType: - default: - pixelConfig = kRGBA_8888_GrPixelConfig; - break; - } - - if (pixelConfig == kRGBA_half_GrPixelConfig && - !grContext->caps()->isConfigRenderable(kRGBA_half_GrPixelConfig, false)) { - ALOGW("Can't copy surface into bitmap, RGBA_F16 config is not supported"); - return CopyResult::DestinationInvalid; - } - - GrBackendTexture backendTexture(imgWidth, imgHeight, pixelConfig, externalTexture); - - CopyResult copyResult = CopyResult::UnknownError; - sk_sp<SkImage> image(SkImage::MakeFromAdoptedTexture(grContext.get(), backendTexture, - kTopLeft_GrSurfaceOrigin)); - if (image) { - int displayedWidth = imgWidth, displayedHeight = imgHeight; - // If this is a 90 or 270 degree rotation we need to swap width/height to get the device - // size. - if (imgTransform[Matrix4::kSkewX] >= 0.5f || imgTransform[Matrix4::kSkewX] <= -0.5f) { - std::swap(displayedWidth, displayedHeight); - } - SkRect skiaDestRect = SkRect::MakeWH(bitmap->width(), bitmap->height()); - SkRect skiaSrcRect = srcRect.toSkRect(); - if (skiaSrcRect.isEmpty()) { - skiaSrcRect = SkRect::MakeIWH(displayedWidth, displayedHeight); - } - bool srcNotEmpty = skiaSrcRect.intersect(SkRect::MakeIWH(displayedWidth, displayedHeight)); - - if (srcNotEmpty) { - SkMatrix textureMatrixInv; - imgTransform.copyTo(textureMatrixInv); - // TODO: after skia bug https://bugs.chromium.org/p/skia/issues/detail?id=7075 is fixed - // use bottom left origin and remove flipV and invert transformations. - SkMatrix flipV; - flipV.setAll(1, 0, 0, 0, -1, 1, 0, 0, 1); - textureMatrixInv.preConcat(flipV); - textureMatrixInv.preScale(1.0f / displayedWidth, 1.0f / displayedHeight); - textureMatrixInv.postScale(imgWidth, imgHeight); - SkMatrix textureMatrix; - if (!textureMatrixInv.invert(&textureMatrix)) { - textureMatrix = textureMatrixInv; - } - - textureMatrixInv.mapRect(&skiaSrcRect); - textureMatrixInv.mapRect(&skiaDestRect); - - // we render in an offscreen buffer to scale and to avoid an issue b/62262733 - // with reading incorrect data from EGLImage backed SkImage (likely a driver bug) - sk_sp<SkSurface> scaledSurface = - SkSurface::MakeRenderTarget(grContext.get(), SkBudgeted::kYes, bitmap->info()); - SkPaint paint; - paint.setBlendMode(SkBlendMode::kSrc); - // Apply a filter, which is matching OpenGL pipeline readback behaviour. Filter usage - // is codified by tests using golden images like DecodeAccuracyTest. - bool disableFilter = MathUtils::areEqual(skiaSrcRect.width(), skiaDestRect.width()) - && MathUtils::areEqual(skiaSrcRect.height(), skiaDestRect.height()); - if (!disableFilter) { - paint.setFilterQuality(kLow_SkFilterQuality); - } - scaledSurface->getCanvas()->concat(textureMatrix); - scaledSurface->getCanvas()->drawImageRect(image, skiaSrcRect, skiaDestRect, &paint, - SkCanvas::kFast_SrcRectConstraint); - - image = scaledSurface->makeImageSnapshot(); - - if (image->readPixels(bitmap->info(), bitmap->getPixels(), bitmap->rowBytes(), 0, 0)) { - bitmap->notifyPixelsChanged(); - copyResult = CopyResult::Success; - } - } - } - - // make sure that we have deleted the texture (in the SkImage) before we - // destroy the EGLImage that it was created from - image.reset(); - return copyResult; -} - -} /* namespace skiapipeline */ -} /* namespace uirenderer */ -} /* namespace android */ |