| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "PictureRenderer.h" |
| #include "picture_utils.h" |
| #include "SamplePipeControllers.h" |
| #include "SkBitmapHasher.h" |
| #include "SkCanvas.h" |
| #include "SkData.h" |
| #include "SkDevice.h" |
| #include "SkDiscardableMemoryPool.h" |
| #include "SkGPipe.h" |
| #if SK_SUPPORT_GPU |
| #include "gl/GrGLDefines.h" |
| #include "SkGpuDevice.h" |
| #endif |
| #include "SkGraphics.h" |
| #include "SkImageEncoder.h" |
| #include "SkMaskFilter.h" |
| #include "SkMatrix.h" |
| #include "SkMultiPictureDraw.h" |
| #include "SkOSFile.h" |
| #include "SkPicture.h" |
| #include "SkPictureRecorder.h" |
| #include "SkPictureUtils.h" |
| #include "SkPixelRef.h" |
| #include "SkPixelSerializer.h" |
| #include "SkScalar.h" |
| #include "SkStream.h" |
| #include "SkString.h" |
| #include "SkSurface.h" |
| #include "SkTemplates.h" |
| #include "SkTDArray.h" |
| #include "SkThreadUtils.h" |
| #include "SkTypes.h" |
| #include "sk_tool_utils.h" |
| |
| static inline SkScalar scalar_log2(SkScalar x) { |
| static const SkScalar log2_conversion_factor = SkScalarDiv(1, SkScalarLog(2)); |
| |
| return SkScalarLog(x) * log2_conversion_factor; |
| } |
| |
| namespace sk_tools { |
| |
| enum { |
| kDefaultTileWidth = 256, |
| kDefaultTileHeight = 256 |
| }; |
| |
| void PictureRenderer::init(const SkPicture* pict, |
| const SkString* writePath, |
| const SkString* mismatchPath, |
| const SkString* inputFilename, |
| bool useChecksumBasedFilenames, |
| bool useMultiPictureDraw) { |
| this->CopyString(&fWritePath, writePath); |
| this->CopyString(&fMismatchPath, mismatchPath); |
| this->CopyString(&fInputFilename, inputFilename); |
| fUseChecksumBasedFilenames = useChecksumBasedFilenames; |
| fUseMultiPictureDraw = useMultiPictureDraw; |
| |
| SkASSERT(NULL == fPicture); |
| SkASSERT(NULL == fCanvas.get()); |
| if (fPicture || fCanvas.get()) { |
| return; |
| } |
| |
| SkASSERT(pict != NULL); |
| if (NULL == pict) { |
| return; |
| } |
| |
| fPicture.reset(pict)->ref(); |
| fCanvas.reset(this->setupCanvas()); |
| } |
| |
| void PictureRenderer::CopyString(SkString* dest, const SkString* src) { |
| if (src) { |
| dest->set(*src); |
| } else { |
| dest->reset(); |
| } |
| } |
| |
| class FlagsDrawFilter : public SkDrawFilter { |
| public: |
| FlagsDrawFilter(PictureRenderer::DrawFilterFlags* flags) : |
| fFlags(flags) {} |
| |
| virtual bool filter(SkPaint* paint, Type t) { |
| paint->setFlags(paint->getFlags() & ~fFlags[t] & SkPaint::kAllFlags); |
| if (PictureRenderer::kMaskFilter_DrawFilterFlag & fFlags[t]) { |
| SkMaskFilter* maskFilter = paint->getMaskFilter(); |
| if (maskFilter) { |
| paint->setMaskFilter(NULL); |
| } |
| } |
| if (PictureRenderer::kHinting_DrawFilterFlag & fFlags[t]) { |
| paint->setHinting(SkPaint::kNo_Hinting); |
| } else if (PictureRenderer::kSlightHinting_DrawFilterFlag & fFlags[t]) { |
| paint->setHinting(SkPaint::kSlight_Hinting); |
| } |
| return true; |
| } |
| |
| private: |
| PictureRenderer::DrawFilterFlags* fFlags; |
| }; |
| |
| static void setUpFilter(SkCanvas* canvas, PictureRenderer::DrawFilterFlags* drawFilters) { |
| if (drawFilters && !canvas->getDrawFilter()) { |
| canvas->setDrawFilter(SkNEW_ARGS(FlagsDrawFilter, (drawFilters)))->unref(); |
| if (drawFilters[0] & PictureRenderer::kAAClip_DrawFilterFlag) { |
| canvas->setAllowSoftClip(false); |
| } |
| } |
| } |
| |
| SkCanvas* PictureRenderer::setupCanvas() { |
| const int width = this->getViewWidth(); |
| const int height = this->getViewHeight(); |
| return this->setupCanvas(width, height); |
| } |
| |
| SkCanvas* PictureRenderer::setupCanvas(int width, int height) { |
| SkCanvas* canvas; |
| switch(fDeviceType) { |
| case kBitmap_DeviceType: { |
| SkBitmap bitmap; |
| sk_tools::setup_bitmap(&bitmap, width, height); |
| canvas = SkNEW_ARGS(SkCanvas, (bitmap)); |
| } |
| break; |
| #if SK_SUPPORT_GPU |
| #if SK_ANGLE |
| case kAngle_DeviceType: |
| // fall through |
| #endif |
| #if SK_MESA |
| case kMesa_DeviceType: |
| // fall through |
| #endif |
| case kGPU_DeviceType: |
| case kNVPR_DeviceType: { |
| SkAutoTUnref<GrSurface> target; |
| if (fGrContext) { |
| // create a render target to back the device |
| GrSurfaceDesc desc; |
| desc.fConfig = kSkia8888_GrPixelConfig; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fSampleCnt = fSampleCount; |
| target.reset(fGrContext->textureProvider()->createTexture(desc, false, NULL, 0)); |
| } |
| |
| uint32_t flags = fUseDFText ? SkSurfaceProps::kUseDistanceFieldFonts_Flag : 0; |
| SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType); |
| SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(target->asRenderTarget(), &props)); |
| if (!device) { |
| return NULL; |
| } |
| canvas = SkNEW_ARGS(SkCanvas, (device)); |
| break; |
| } |
| #endif |
| default: |
| SkASSERT(0); |
| return NULL; |
| } |
| setUpFilter(canvas, fDrawFilters); |
| this->scaleToScaleFactor(canvas); |
| |
| // Pictures often lie about their extent (i.e., claim to be 100x100 but |
| // only ever draw to 90x100). Clear here so the undrawn portion will have |
| // a consistent color |
| canvas->clear(SK_ColorTRANSPARENT); |
| return canvas; |
| } |
| |
| void PictureRenderer::scaleToScaleFactor(SkCanvas* canvas) { |
| SkASSERT(canvas != NULL); |
| if (fScaleFactor != SK_Scalar1) { |
| canvas->scale(fScaleFactor, fScaleFactor); |
| } |
| } |
| |
| void PictureRenderer::end() { |
| this->resetState(true); |
| fPicture.reset(NULL); |
| fCanvas.reset(NULL); |
| } |
| |
| int PictureRenderer::getViewWidth() { |
| SkASSERT(fPicture != NULL); |
| int width = SkScalarCeilToInt(fPicture->cullRect().width() * fScaleFactor); |
| if (fViewport.width() > 0) { |
| width = SkMin32(width, fViewport.width()); |
| } |
| return width; |
| } |
| |
| int PictureRenderer::getViewHeight() { |
| SkASSERT(fPicture != NULL); |
| int height = SkScalarCeilToInt(fPicture->cullRect().height() * fScaleFactor); |
| if (fViewport.height() > 0) { |
| height = SkMin32(height, fViewport.height()); |
| } |
| return height; |
| } |
| |
| /** Converts fPicture to a picture that uses a BBoxHierarchy. |
| * PictureRenderer subclasses that are used to test picture playback |
| * should call this method during init. |
| */ |
| void PictureRenderer::buildBBoxHierarchy() { |
| SkASSERT(fPicture); |
| if (kNone_BBoxHierarchyType != fBBoxHierarchyType && fPicture) { |
| SkAutoTDelete<SkBBHFactory> factory(this->getFactory()); |
| SkPictureRecorder recorder; |
| uint32_t flags = this->recordFlags(); |
| if (fUseMultiPictureDraw) { |
| flags |= SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag; |
| } |
| SkCanvas* canvas = recorder.beginRecording(fPicture->cullRect().width(), |
| fPicture->cullRect().height(), |
| factory.get(), |
| flags); |
| fPicture->playback(canvas); |
| fPicture.reset(recorder.endRecording()); |
| } |
| } |
| |
| void PictureRenderer::resetState(bool callFinish) { |
| #if SK_SUPPORT_GPU |
| SkGLContext* glContext = this->getGLContext(); |
| if (NULL == glContext) { |
| SkASSERT(kBitmap_DeviceType == fDeviceType); |
| return; |
| } |
| |
| fGrContext->flush(); |
| glContext->swapBuffers(); |
| if (callFinish) { |
| SK_GL(*glContext, Finish()); |
| } |
| #endif |
| } |
| |
| void PictureRenderer::purgeTextures() { |
| SkDiscardableMemoryPool* pool = SkGetGlobalDiscardableMemoryPool(); |
| |
| pool->dumpPool(); |
| |
| #if SK_SUPPORT_GPU |
| SkGLContext* glContext = this->getGLContext(); |
| if (NULL == glContext) { |
| SkASSERT(kBitmap_DeviceType == fDeviceType); |
| return; |
| } |
| |
| // resetState should've already done this |
| fGrContext->flush(); |
| |
| fGrContext->purgeAllUnlockedResources(); |
| #endif |
| } |
| |
| /** |
| * Write the canvas to an image file and/or JSON summary. |
| * |
| * @param canvas Must be non-null. Canvas to be written to a file. |
| * @param writePath If nonempty, write the binary image to a file within this directory. |
| * @param mismatchPath If nonempty, write the binary image to a file within this directory, |
| * but only if the image does not match expectations. |
| * @param inputFilename If we are writing out a binary image, use this to build its filename. |
| * @param jsonSummaryPtr If not null, add image results (checksum) to this summary. |
| * @param useChecksumBasedFilenames If true, use checksum-based filenames when writing to disk. |
| * @param tileNumberPtr If not null, which tile number this image contains. |
| * |
| * @return bool True if the operation completed successfully. |
| */ |
| static bool write(SkCanvas* canvas, const SkString& writePath, const SkString& mismatchPath, |
| const SkString& inputFilename, ImageResultsAndExpectations *jsonSummaryPtr, |
| bool useChecksumBasedFilenames, const int* tileNumberPtr=NULL) { |
| SkASSERT(canvas != NULL); |
| if (NULL == canvas) { |
| return false; |
| } |
| |
| SkBitmap bitmap; |
| SkISize size = canvas->getDeviceSize(); |
| setup_bitmap(&bitmap, size.width(), size.height()); |
| |
| canvas->readPixels(&bitmap, 0, 0); |
| force_all_opaque(bitmap); |
| BitmapAndDigest bitmapAndDigest(bitmap); |
| |
| SkString escapedInputFilename(inputFilename); |
| replace_char(&escapedInputFilename, '.', '_'); |
| |
| // TODO(epoger): what about including the config type within outputFilename? That way, |
| // we could combine results of different config types without conflicting filenames. |
| SkString outputFilename; |
| const char *outputSubdirPtr = NULL; |
| if (useChecksumBasedFilenames) { |
| ImageDigest *imageDigestPtr = bitmapAndDigest.getImageDigestPtr(); |
| outputSubdirPtr = escapedInputFilename.c_str(); |
| outputFilename.set(imageDigestPtr->getHashType()); |
| outputFilename.append("_"); |
| outputFilename.appendU64(imageDigestPtr->getHashValue()); |
| } else { |
| outputFilename.set(escapedInputFilename); |
| if (tileNumberPtr) { |
| outputFilename.append("-tile"); |
| outputFilename.appendS32(*tileNumberPtr); |
| } |
| } |
| outputFilename.append(".png"); |
| |
| if (jsonSummaryPtr) { |
| ImageDigest *imageDigestPtr = bitmapAndDigest.getImageDigestPtr(); |
| SkString outputRelativePath; |
| if (outputSubdirPtr) { |
| outputRelativePath.set(outputSubdirPtr); |
| outputRelativePath.append("/"); // always use "/", even on Windows |
| outputRelativePath.append(outputFilename); |
| } else { |
| outputRelativePath.set(outputFilename); |
| } |
| |
| jsonSummaryPtr->add(inputFilename.c_str(), outputRelativePath.c_str(), |
| *imageDigestPtr, tileNumberPtr); |
| if (!mismatchPath.isEmpty() && |
| !jsonSummaryPtr->getExpectation(inputFilename.c_str(), |
| tileNumberPtr).matches(*imageDigestPtr)) { |
| if (!write_bitmap_to_disk(bitmap, mismatchPath, outputSubdirPtr, outputFilename)) { |
| return false; |
| } |
| } |
| } |
| |
| if (writePath.isEmpty()) { |
| return true; |
| } else { |
| return write_bitmap_to_disk(bitmap, writePath, outputSubdirPtr, outputFilename); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| SkCanvas* RecordPictureRenderer::setupCanvas(int width, int height) { |
| // defer the canvas setup until the render step |
| return NULL; |
| } |
| |
| bool RecordPictureRenderer::render(SkBitmap** out) { |
| SkAutoTDelete<SkBBHFactory> factory(this->getFactory()); |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(this->getViewWidth()), |
| SkIntToScalar(this->getViewHeight()), |
| factory.get(), |
| this->recordFlags()); |
| this->scaleToScaleFactor(canvas); |
| fPicture->playback(canvas); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| if (!fWritePath.isEmpty()) { |
| // Record the new picture as a new SKP with PNG encoded bitmaps. |
| SkString skpPath = SkOSPath::Join(fWritePath.c_str(), fInputFilename.c_str()); |
| SkFILEWStream stream(skpPath.c_str()); |
| sk_tool_utils::PngPixelSerializer serializer; |
| picture->serialize(&stream, &serializer); |
| return true; |
| } |
| return false; |
| } |
| |
| SkString RecordPictureRenderer::getConfigNameInternal() { |
| return SkString("record"); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| bool PipePictureRenderer::render(SkBitmap** out) { |
| SkASSERT(fCanvas.get() != NULL); |
| SkASSERT(fPicture != NULL); |
| if (NULL == fCanvas.get() || NULL == fPicture) { |
| return false; |
| } |
| |
| PipeController pipeController(fCanvas.get()); |
| SkGPipeWriter writer; |
| SkCanvas* pipeCanvas = writer.startRecording(&pipeController); |
| pipeCanvas->drawPicture(fPicture); |
| writer.endRecording(); |
| fCanvas->flush(); |
| if (out) { |
| *out = SkNEW(SkBitmap); |
| setup_bitmap(*out, SkScalarCeilToInt(fPicture->cullRect().width()), |
| SkScalarCeilToInt(fPicture->cullRect().height())); |
| fCanvas->readPixels(*out, 0, 0); |
| } |
| if (fEnableWrites) { |
| return write(fCanvas, fWritePath, fMismatchPath, fInputFilename, fJsonSummaryPtr, |
| fUseChecksumBasedFilenames); |
| } else { |
| return true; |
| } |
| } |
| |
| SkString PipePictureRenderer::getConfigNameInternal() { |
| return SkString("pipe"); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| void SimplePictureRenderer::init(const SkPicture* picture, const SkString* writePath, |
| const SkString* mismatchPath, const SkString* inputFilename, |
| bool useChecksumBasedFilenames, bool useMultiPictureDraw) { |
| INHERITED::init(picture, writePath, mismatchPath, inputFilename, |
| useChecksumBasedFilenames, useMultiPictureDraw); |
| this->buildBBoxHierarchy(); |
| } |
| |
| bool SimplePictureRenderer::render(SkBitmap** out) { |
| SkASSERT(fCanvas.get() != NULL); |
| SkASSERT(fPicture); |
| if (NULL == fCanvas.get() || NULL == fPicture) { |
| return false; |
| } |
| |
| if (fUseMultiPictureDraw) { |
| SkMultiPictureDraw mpd; |
| |
| mpd.add(fCanvas, fPicture); |
| |
| mpd.draw(); |
| } else { |
| fCanvas->drawPicture(fPicture); |
| } |
| fCanvas->flush(); |
| if (out) { |
| *out = SkNEW(SkBitmap); |
| setup_bitmap(*out, SkScalarCeilToInt(fPicture->cullRect().width()), |
| SkScalarCeilToInt(fPicture->cullRect().height())); |
| fCanvas->readPixels(*out, 0, 0); |
| } |
| if (fEnableWrites) { |
| return write(fCanvas, fWritePath, fMismatchPath, fInputFilename, fJsonSummaryPtr, |
| fUseChecksumBasedFilenames); |
| } else { |
| return true; |
| } |
| } |
| |
| SkString SimplePictureRenderer::getConfigNameInternal() { |
| return SkString("simple"); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #if SK_SUPPORT_GPU |
| TiledPictureRenderer::TiledPictureRenderer(const GrContext::Options& opts) |
| : INHERITED(opts) |
| , fTileWidth(kDefaultTileWidth) |
| #else |
| TiledPictureRenderer::TiledPictureRenderer() |
| : fTileWidth(kDefaultTileWidth) |
| #endif |
| , fTileHeight(kDefaultTileHeight) |
| , fTileWidthPercentage(0.0) |
| , fTileHeightPercentage(0.0) |
| , fTileMinPowerOf2Width(0) |
| , fCurrentTileOffset(-1) |
| , fTilesX(0) |
| , fTilesY(0) { } |
| |
| void TiledPictureRenderer::init(const SkPicture* pict, const SkString* writePath, |
| const SkString* mismatchPath, const SkString* inputFilename, |
| bool useChecksumBasedFilenames, bool useMultiPictureDraw) { |
| SkASSERT(pict); |
| SkASSERT(0 == fTileRects.count()); |
| if (NULL == pict || fTileRects.count() != 0) { |
| return; |
| } |
| |
| // Do not call INHERITED::init(), which would create a (potentially large) canvas which is not |
| // used by bench_pictures. |
| fPicture.reset(pict)->ref(); |
| this->CopyString(&fWritePath, writePath); |
| this->CopyString(&fMismatchPath, mismatchPath); |
| this->CopyString(&fInputFilename, inputFilename); |
| fUseChecksumBasedFilenames = useChecksumBasedFilenames; |
| fUseMultiPictureDraw = useMultiPictureDraw; |
| this->buildBBoxHierarchy(); |
| |
| if (fTileWidthPercentage > 0) { |
| fTileWidth = SkScalarCeilToInt(float(fTileWidthPercentage * fPicture->cullRect().width() / 100)); |
| } |
| if (fTileHeightPercentage > 0) { |
| fTileHeight = SkScalarCeilToInt(float(fTileHeightPercentage * fPicture->cullRect().height() / 100)); |
| } |
| |
| if (fTileMinPowerOf2Width > 0) { |
| this->setupPowerOf2Tiles(); |
| } else { |
| this->setupTiles(); |
| } |
| fCanvas.reset(this->setupCanvas(fTileWidth, fTileHeight)); |
| // Initialize to -1 so that the first call to nextTile will set this up to draw tile 0 on the |
| // first call to drawCurrentTile. |
| fCurrentTileOffset = -1; |
| } |
| |
| void TiledPictureRenderer::end() { |
| fTileRects.reset(); |
| this->INHERITED::end(); |
| } |
| |
| void TiledPictureRenderer::setupTiles() { |
| // Only use enough tiles to cover the viewport |
| const int width = this->getViewWidth(); |
| const int height = this->getViewHeight(); |
| |
| fTilesX = fTilesY = 0; |
| for (int tile_y_start = 0; tile_y_start < height; tile_y_start += fTileHeight) { |
| fTilesY++; |
| for (int tile_x_start = 0; tile_x_start < width; tile_x_start += fTileWidth) { |
| if (0 == tile_y_start) { |
| // Only count tiles in the X direction on the first pass. |
| fTilesX++; |
| } |
| *fTileRects.append() = SkIRect::MakeXYWH(tile_x_start, tile_y_start, |
| fTileWidth, fTileHeight); |
| } |
| } |
| } |
| |
| bool TiledPictureRenderer::tileDimensions(int &x, int &y) { |
| if (fTileRects.count() == 0 || NULL == fPicture) { |
| return false; |
| } |
| x = fTilesX; |
| y = fTilesY; |
| return true; |
| } |
| |
| // The goal of the powers of two tiles is to minimize the amount of wasted tile |
| // space in the width-wise direction and then minimize the number of tiles. The |
| // constraints are that every tile must have a pixel width that is a power of |
| // two and also be of some minimal width (that is also a power of two). |
| // |
| // This is solved by first taking our picture size and rounding it up to the |
| // multiple of the minimal width. The binary representation of this rounded |
| // value gives us the tiles we need: a bit of value one means we need a tile of |
| // that size. |
| void TiledPictureRenderer::setupPowerOf2Tiles() { |
| // Only use enough tiles to cover the viewport |
| const int width = this->getViewWidth(); |
| const int height = this->getViewHeight(); |
| |
| int rounded_value = width; |
| if (width % fTileMinPowerOf2Width != 0) { |
| rounded_value = width - (width % fTileMinPowerOf2Width) + fTileMinPowerOf2Width; |
| } |
| |
| int num_bits = SkScalarCeilToInt(scalar_log2(SkIntToScalar(width))); |
| int largest_possible_tile_size = 1 << num_bits; |
| |
| fTilesX = fTilesY = 0; |
| // The tile height is constant for a particular picture. |
| for (int tile_y_start = 0; tile_y_start < height; tile_y_start += fTileHeight) { |
| fTilesY++; |
| int tile_x_start = 0; |
| int current_width = largest_possible_tile_size; |
| // Set fTileWidth to be the width of the widest tile, so that each canvas is large enough |
| // to draw each tile. |
| fTileWidth = current_width; |
| |
| while (current_width >= fTileMinPowerOf2Width) { |
| // It is very important this is a bitwise AND. |
| if (current_width & rounded_value) { |
| if (0 == tile_y_start) { |
| // Only count tiles in the X direction on the first pass. |
| fTilesX++; |
| } |
| *fTileRects.append() = SkIRect::MakeXYWH(tile_x_start, tile_y_start, |
| current_width, fTileHeight); |
| tile_x_start += current_width; |
| } |
| |
| current_width >>= 1; |
| } |
| } |
| } |
| |
| /** |
| * Draw the specified picture to the canvas translated to rectangle provided, so that this mini |
| * canvas represents the rectangle's portion of the overall picture. |
| * Saves and restores so that the initial clip and matrix return to their state before this function |
| * is called. |
| */ |
| static void draw_tile_to_canvas(SkCanvas* canvas, |
| const SkIRect& tileRect, |
| const SkPicture* picture) { |
| int saveCount = canvas->save(); |
| // Translate so that we draw the correct portion of the picture. |
| // Perform a postTranslate so that the scaleFactor does not interfere with the positioning. |
| SkMatrix mat(canvas->getTotalMatrix()); |
| mat.postTranslate(-SkIntToScalar(tileRect.fLeft), -SkIntToScalar(tileRect.fTop)); |
| canvas->setMatrix(mat); |
| canvas->clipRect(SkRect::Make(tileRect)); |
| canvas->clear(SK_ColorTRANSPARENT); // Not every picture covers the entirety of every tile |
| canvas->drawPicture(picture); |
| canvas->restoreToCount(saveCount); |
| canvas->flush(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Copies the entirety of the src bitmap (typically a tile) into a portion of the dst bitmap. |
| * If the src bitmap is too large to fit within the dst bitmap after the x and y |
| * offsets have been applied, any excess will be ignored (so only the top-left portion of the |
| * src bitmap will be copied). |
| * |
| * @param src source bitmap |
| * @param dst destination bitmap |
| * @param xOffset x-offset within destination bitmap |
| * @param yOffset y-offset within destination bitmap |
| */ |
| static void bitmapCopyAtOffset(const SkBitmap& src, SkBitmap* dst, |
| int xOffset, int yOffset) { |
| for (int y = 0; y <src.height() && y + yOffset < dst->height() ; y++) { |
| for (int x = 0; x < src.width() && x + xOffset < dst->width() ; x++) { |
| *dst->getAddr32(xOffset + x, yOffset + y) = *src.getAddr32(x, y); |
| } |
| } |
| } |
| |
| bool TiledPictureRenderer::nextTile(int &i, int &j) { |
| if (++fCurrentTileOffset < fTileRects.count()) { |
| i = fCurrentTileOffset % fTilesX; |
| j = fCurrentTileOffset / fTilesX; |
| return true; |
| } |
| return false; |
| } |
| |
| void TiledPictureRenderer::drawCurrentTile() { |
| SkASSERT(fCurrentTileOffset >= 0 && fCurrentTileOffset < fTileRects.count()); |
| draw_tile_to_canvas(fCanvas, fTileRects[fCurrentTileOffset], fPicture); |
| } |
| |
| bool TiledPictureRenderer::postRender(SkCanvas* canvas, const SkIRect& tileRect, |
| SkBitmap* tempBM, SkBitmap** out, |
| int tileNumber) { |
| bool success = true; |
| |
| if (fEnableWrites) { |
| success &= write(canvas, fWritePath, fMismatchPath, fInputFilename, fJsonSummaryPtr, |
| fUseChecksumBasedFilenames, &tileNumber); |
| } |
| if (out) { |
| if (canvas->readPixels(tempBM, 0, 0)) { |
| // Add this tile to the entire bitmap. |
| bitmapCopyAtOffset(*tempBM, *out, tileRect.left(), tileRect.top()); |
| } else { |
| success = false; |
| } |
| } |
| |
| return success; |
| } |
| |
| bool TiledPictureRenderer::render(SkBitmap** out) { |
| SkASSERT(fPicture != NULL); |
| if (NULL == fPicture) { |
| return false; |
| } |
| |
| SkBitmap bitmap; |
| if (out) { |
| *out = SkNEW(SkBitmap); |
| setup_bitmap(*out, SkScalarCeilToInt(fPicture->cullRect().width()), |
| SkScalarCeilToInt(fPicture->cullRect().height())); |
| setup_bitmap(&bitmap, fTileWidth, fTileHeight); |
| } |
| bool success = true; |
| |
| if (fUseMultiPictureDraw) { |
| SkMultiPictureDraw mpd; |
| SkTDArray<SkSurface*> surfaces; |
| surfaces.setReserve(fTileRects.count()); |
| |
| // Create a separate SkSurface/SkCanvas for each tile along with a |
| // translated version of the skp (to mimic Chrome's behavior) and |
| // feed all such pairs to the MultiPictureDraw. |
| for (int i = 0; i < fTileRects.count(); ++i) { |
| SkImageInfo ii = fCanvas->imageInfo().makeWH(fTileRects[i].width(), |
| fTileRects[i].height()); |
| *surfaces.append() = fCanvas->newSurface(ii); |
| surfaces[i]->getCanvas()->setMatrix(fCanvas->getTotalMatrix()); |
| |
| SkPictureRecorder recorder; |
| SkRTreeFactory bbhFactory; |
| |
| SkCanvas* c = recorder.beginRecording(SkIntToScalar(fTileRects[i].width()), |
| SkIntToScalar(fTileRects[i].height()), |
| &bbhFactory, |
| SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag); |
| c->save(); |
| SkMatrix mat; |
| mat.setTranslate(-SkIntToScalar(fTileRects[i].fLeft), |
| -SkIntToScalar(fTileRects[i].fTop)); |
| c->setMatrix(mat); |
| c->drawPicture(fPicture); |
| c->restore(); |
| |
| SkAutoTUnref<SkPicture> xlatedPicture(recorder.endRecording()); |
| |
| mpd.add(surfaces[i]->getCanvas(), xlatedPicture); |
| } |
| |
| // Render all the buffered SkCanvases/SkPictures |
| mpd.draw(); |
| |
| // Sort out the results and cleanup the allocated surfaces |
| for (int i = 0; i < fTileRects.count(); ++i) { |
| success &= this->postRender(surfaces[i]->getCanvas(), fTileRects[i], &bitmap, out, i); |
| surfaces[i]->unref(); |
| } |
| } else { |
| for (int i = 0; i < fTileRects.count(); ++i) { |
| draw_tile_to_canvas(fCanvas, fTileRects[i], fPicture); |
| success &= this->postRender(fCanvas, fTileRects[i], &bitmap, out, i); |
| } |
| } |
| |
| return success; |
| } |
| |
| SkCanvas* TiledPictureRenderer::setupCanvas(int width, int height) { |
| SkCanvas* canvas = this->INHERITED::setupCanvas(width, height); |
| SkASSERT(fPicture); |
| // Clip the tile to an area that is completely inside both the SkPicture and the viewport. This |
| // is mostly important for tiles on the right and bottom edges as they may go over this area and |
| // the picture may have some commands that draw outside of this area and so should not actually |
| // be written. |
| // Uses a clipRegion so that it will be unaffected by the scale factor, which may have been set |
| // by INHERITED::setupCanvas. |
| SkRegion clipRegion; |
| clipRegion.setRect(0, 0, this->getViewWidth(), this->getViewHeight()); |
| canvas->clipRegion(clipRegion); |
| return canvas; |
| } |
| |
| SkString TiledPictureRenderer::getConfigNameInternal() { |
| SkString name; |
| if (fTileMinPowerOf2Width > 0) { |
| name.append("pow2tile_"); |
| name.appendf("%i", fTileMinPowerOf2Width); |
| } else { |
| name.append("tile_"); |
| if (fTileWidthPercentage > 0) { |
| name.appendf("%.f%%", fTileWidthPercentage); |
| } else { |
| name.appendf("%i", fTileWidth); |
| } |
| } |
| name.append("x"); |
| if (fTileHeightPercentage > 0) { |
| name.appendf("%.f%%", fTileHeightPercentage); |
| } else { |
| name.appendf("%i", fTileHeight); |
| } |
| return name; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| void PlaybackCreationRenderer::setup() { |
| SkAutoTDelete<SkBBHFactory> factory(this->getFactory()); |
| fRecorder.reset(SkNEW(SkPictureRecorder)); |
| SkCanvas* canvas = fRecorder->beginRecording(SkIntToScalar(this->getViewWidth()), |
| SkIntToScalar(this->getViewHeight()), |
| factory.get(), |
| this->recordFlags()); |
| this->scaleToScaleFactor(canvas); |
| canvas->drawPicture(fPicture); |
| } |
| |
| bool PlaybackCreationRenderer::render(SkBitmap** out) { |
| fPicture.reset(fRecorder->endRecording()); |
| // Since this class does not actually render, return false. |
| return false; |
| } |
| |
| SkString PlaybackCreationRenderer::getConfigNameInternal() { |
| return SkString("playback_creation"); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| // SkPicture variants for each BBoxHierarchy type |
| |
| SkBBHFactory* PictureRenderer::getFactory() { |
| switch (fBBoxHierarchyType) { |
| case kNone_BBoxHierarchyType: |
| return NULL; |
| case kRTree_BBoxHierarchyType: |
| return SkNEW(SkRTreeFactory); |
| } |
| SkASSERT(0); // invalid bbhType |
| return NULL; |
| } |
| |
| } // namespace sk_tools |