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skia2/dm/DMSrcSink.cpp
Robert Phillips 5c7a25bd2f Move explicit backend object allocation API to GrContext 
This initial portion of the API should be ready to go. Follow on CLs will add the other entry points.

Change-Id: Ia9c708046ba08b16f9a71558e2bf2c38279abe5d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/214680
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2019-05-20 15:31:56 +00:00

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "dm/DMSrcSink.h"
#include "include/codec/SkAndroidCodec.h"
#include "include/codec/SkCodec.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkData.h"
#include "include/core/SkDeferredDisplayListRecorder.h"
#include "include/core/SkDocument.h"
#include "include/core/SkExecutor.h"
#include "include/core/SkImageGenerator.h"
#include "include/core/SkMallocPixelRef.h"
#include "include/core/SkMultiPictureDraw.h"
#include "include/core/SkPictureRecorder.h"
#include "include/core/SkStream.h"
#include "include/core/SkSurface.h"
#include "include/core/SkSurfaceCharacterization.h"
#include "include/docs/SkPDFDocument.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/ports/SkImageGeneratorCG.h"
#include "include/ports/SkImageGeneratorWIC.h"
#include "include/private/SkImageInfoPriv.h"
#include "include/private/SkTLogic.h"
#include "include/third_party/skcms/skcms.h"
#include "include/utils/SkNullCanvas.h"
#include "include/utils/SkRandom.h"
#include "src/codec/SkCodecImageGenerator.h"
#include "src/codec/SkSwizzler.h"
#include "src/core/SkAutoMalloc.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "src/core/SkMakeUnique.h"
#include "src/core/SkOSFile.h"
#include "src/core/SkOpts.h"
#include "src/core/SkPictureCommon.h"
#include "src/core/SkPictureData.h"
#include "src/core/SkRecordDraw.h"
#include "src/core/SkRecorder.h"
#include "src/core/SkTaskGroup.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/utils/SkMultiPictureDocumentPriv.h"
#include "src/utils/SkOSPath.h"
#include "tools/DDLPromiseImageHelper.h"
#include "tools/DDLTileHelper.h"
#include "tools/Resources.h"
#include "tools/debugger/DebugCanvas.h"
#include "tools/gpu/MemoryCache.h"
#if defined(SK_BUILD_FOR_WIN)
#include "include/docs/SkXPSDocument.h"
#include "src/utils/win/SkAutoCoInitialize.h"
#include "src/utils/win/SkHRESULT.h"
#include "src/utils/win/SkTScopedComPtr.h"
#include <XpsObjectModel.h>
#endif
#if defined(SK_ENABLE_SKOTTIE)
#include "modules/skottie/include/Skottie.h"
#include "modules/skottie/utils/SkottieUtils.h"
#endif
#if defined(SK_XML)
#include "experimental/svg/model/SkSVGDOM.h"
#include "include/svg/SkSVGCanvas.h"
#include "src/xml/SkXMLWriter.h"
#endif
#include "tests/TestUtils.h"
#include <cmath>
#include <functional>
static DEFINE_bool(multiPage, false,
"For document-type backends, render the source into multiple pages");
static DEFINE_bool(RAW_threading, true, "Allow RAW decodes to run on multiple threads?");
DECLARE_int(gpuThreads);
using sk_gpu_test::GrContextFactory;
namespace DM {
GMSrc::GMSrc(skiagm::GMFactory factory) : fFactory(factory) {}
Error GMSrc::draw(SkCanvas* canvas) const {
std::unique_ptr<skiagm::GM> gm(fFactory(nullptr));
SkString errorMsg;
skiagm::DrawResult drawResult = gm->draw(canvas, &errorMsg);
if (skiagm::DrawResult::kSkip == drawResult) {
return Error::Nonfatal(std::move(errorMsg)); // Cause this test to be skipped.
}
return errorMsg;
}
SkISize GMSrc::size() const {
std::unique_ptr<skiagm::GM> gm(fFactory(nullptr));
return gm->getISize();
}
Name GMSrc::name() const {
std::unique_ptr<skiagm::GM> gm(fFactory(nullptr));
return gm->getName();
}
void GMSrc::modifyGrContextOptions(GrContextOptions* options) const {
std::unique_ptr<skiagm::GM> gm(fFactory(nullptr));
gm->modifyGrContextOptions(options);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
BRDSrc::BRDSrc(Path path, Mode mode, CodecSrc::DstColorType dstColorType, uint32_t sampleSize)
: fPath(path)
, fMode(mode)
, fDstColorType(dstColorType)
, fSampleSize(sampleSize)
{}
bool BRDSrc::veto(SinkFlags flags) const {
// No need to test to non-raster or indirect backends.
return flags.type != SinkFlags::kRaster
|| flags.approach != SinkFlags::kDirect;
}
static SkBitmapRegionDecoder* create_brd(Path path) {
sk_sp<SkData> encoded(SkData::MakeFromFileName(path.c_str()));
if (!encoded) {
return nullptr;
}
return SkBitmapRegionDecoder::Create(encoded, SkBitmapRegionDecoder::kAndroidCodec_Strategy);
}
static inline void alpha8_to_gray8(SkBitmap* bitmap) {
// Android requires kGray8 bitmaps to be tagged as kAlpha8. Here we convert
// them back to kGray8 so our test framework can draw them correctly.
if (kAlpha_8_SkColorType == bitmap->info().colorType()) {
SkImageInfo newInfo = bitmap->info().makeColorType(kGray_8_SkColorType)
.makeAlphaType(kOpaque_SkAlphaType);
*const_cast<SkImageInfo*>(&bitmap->info()) = newInfo;
}
}
Error BRDSrc::draw(SkCanvas* canvas) const {
SkColorType colorType = canvas->imageInfo().colorType();
if (kRGB_565_SkColorType == colorType &&
CodecSrc::kGetFromCanvas_DstColorType != fDstColorType) {
return Error::Nonfatal("Testing non-565 to 565 is uninteresting.");
}
switch (fDstColorType) {
case CodecSrc::kGetFromCanvas_DstColorType:
break;
case CodecSrc::kGrayscale_Always_DstColorType:
colorType = kGray_8_SkColorType;
break;
default:
SkASSERT(false);
break;
}
std::unique_ptr<SkBitmapRegionDecoder> brd(create_brd(fPath));
if (nullptr == brd.get()) {
return Error::Nonfatal(SkStringPrintf("Could not create brd for %s.", fPath.c_str()));
}
auto recommendedCT = brd->computeOutputColorType(colorType);
if (kRGB_565_SkColorType == colorType && recommendedCT != colorType) {
return Error::Nonfatal("Skip decoding non-opaque to 565.");
}
colorType = recommendedCT;
auto colorSpace = brd->computeOutputColorSpace(colorType, nullptr);
const uint32_t width = brd->width();
const uint32_t height = brd->height();
// Visually inspecting very small output images is not necessary.
if ((width / fSampleSize <= 10 || height / fSampleSize <= 10) && 1 != fSampleSize) {
return Error::Nonfatal("Scaling very small images is uninteresting.");
}
switch (fMode) {
case kFullImage_Mode: {
SkBitmap bitmap;
if (!brd->decodeRegion(&bitmap, nullptr, SkIRect::MakeXYWH(0, 0, width, height),
fSampleSize, colorType, false, colorSpace)) {
return "Cannot decode (full) region.";
}
alpha8_to_gray8(&bitmap);
canvas->drawBitmap(bitmap, 0, 0);
return "";
}
case kDivisor_Mode: {
const uint32_t divisor = 2;
if (width < divisor || height < divisor) {
return Error::Nonfatal("Divisor is larger than image dimension.");
}
// Use a border to test subsets that extend outside the image.
// We will not allow the border to be larger than the image dimensions. Allowing
// these large borders causes off by one errors that indicate a problem with the
// test suite, not a problem with the implementation.
const uint32_t maxBorder = SkTMin(width, height) / (fSampleSize * divisor);
const uint32_t scaledBorder = SkTMin(5u, maxBorder);
const uint32_t unscaledBorder = scaledBorder * fSampleSize;
// We may need to clear the canvas to avoid uninitialized memory.
// Assume we are scaling a 780x780 image with sampleSize = 8.
// The output image should be 97x97.
// Each subset will be 390x390.
// Each scaled subset be 48x48.
// Four scaled subsets will only fill a 96x96 image.
// The bottom row and last column will not be touched.
// This is an unfortunate result of our rounding rules when scaling.
// Maybe we need to consider testing scaled subsets without trying to
// combine them to match the full scaled image? Or maybe this is the
// best we can do?
canvas->clear(0);
for (uint32_t x = 0; x < divisor; x++) {
for (uint32_t y = 0; y < divisor; y++) {
// Calculate the subset dimensions
uint32_t subsetWidth = width / divisor;
uint32_t subsetHeight = height / divisor;
const int left = x * subsetWidth;
const int top = y * subsetHeight;
// Increase the size of the last subset in each row or column, when the
// divisor does not divide evenly into the image dimensions
subsetWidth += (x + 1 == divisor) ? (width % divisor) : 0;
subsetHeight += (y + 1 == divisor) ? (height % divisor) : 0;
// Increase the size of the subset in order to have a border on each side
const int decodeLeft = left - unscaledBorder;
const int decodeTop = top - unscaledBorder;
const uint32_t decodeWidth = subsetWidth + unscaledBorder * 2;
const uint32_t decodeHeight = subsetHeight + unscaledBorder * 2;
SkBitmap bitmap;
if (!brd->decodeRegion(&bitmap, nullptr, SkIRect::MakeXYWH(decodeLeft,
decodeTop, decodeWidth, decodeHeight), fSampleSize, colorType, false,
colorSpace)) {
return "Cannot decode region.";
}
alpha8_to_gray8(&bitmap);
canvas->drawBitmapRect(bitmap,
SkRect::MakeXYWH((SkScalar) scaledBorder, (SkScalar) scaledBorder,
(SkScalar) (subsetWidth / fSampleSize),
(SkScalar) (subsetHeight / fSampleSize)),
SkRect::MakeXYWH((SkScalar) (left / fSampleSize),
(SkScalar) (top / fSampleSize),
(SkScalar) (subsetWidth / fSampleSize),
(SkScalar) (subsetHeight / fSampleSize)),
nullptr);
}
}
return "";
}
default:
SkASSERT(false);
return "Error: Should not be reached.";
}
}
SkISize BRDSrc::size() const {
std::unique_ptr<SkBitmapRegionDecoder> brd(create_brd(fPath));
if (brd) {
return {SkTMax(1, brd->width() / (int)fSampleSize),
SkTMax(1, brd->height() / (int)fSampleSize)};
}
return {0, 0};
}
static SkString get_scaled_name(const Path& path, float scale) {
return SkStringPrintf("%s_%.3f", SkOSPath::Basename(path.c_str()).c_str(), scale);
}
Name BRDSrc::name() const {
// We will replicate the names used by CodecSrc so that images can
// be compared in Gold.
if (1 == fSampleSize) {
return SkOSPath::Basename(fPath.c_str());
}
return get_scaled_name(fPath, 1.0f / (float) fSampleSize);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
static bool serial_from_path_name(const SkString& path) {
if (!FLAGS_RAW_threading) {
static const char* const exts[] = {
"arw", "cr2", "dng", "nef", "nrw", "orf", "raf", "rw2", "pef", "srw",
"ARW", "CR2", "DNG", "NEF", "NRW", "ORF", "RAF", "RW2", "PEF", "SRW",
};
const char* actualExt = strrchr(path.c_str(), '.');
if (actualExt) {
actualExt++;
for (auto* ext : exts) {
if (0 == strcmp(ext, actualExt)) {
return true;
}
}
}
}
return false;
}
CodecSrc::CodecSrc(Path path, Mode mode, DstColorType dstColorType, SkAlphaType dstAlphaType,
float scale)
: fPath(path)
, fMode(mode)
, fDstColorType(dstColorType)
, fDstAlphaType(dstAlphaType)
, fScale(scale)
, fRunSerially(serial_from_path_name(path))
{}
bool CodecSrc::veto(SinkFlags flags) const {
// Test to direct raster backends (8888 and 565).
return flags.type != SinkFlags::kRaster || flags.approach != SinkFlags::kDirect;
}
// Allows us to test decodes to non-native 8888.
static void swap_rb_if_necessary(SkBitmap& bitmap, CodecSrc::DstColorType dstColorType) {
if (CodecSrc::kNonNative8888_Always_DstColorType != dstColorType) {
return;
}
for (int y = 0; y < bitmap.height(); y++) {
uint32_t* row = (uint32_t*) bitmap.getAddr(0, y);
SkOpts::RGBA_to_BGRA(row, row, bitmap.width());
}
}
static bool get_decode_info(SkImageInfo* decodeInfo, SkColorType canvasColorType,
CodecSrc::DstColorType dstColorType, SkAlphaType dstAlphaType) {
switch (dstColorType) {
case CodecSrc::kGrayscale_Always_DstColorType:
if (kRGB_565_SkColorType == canvasColorType) {
return false;
}
*decodeInfo = decodeInfo->makeColorType(kGray_8_SkColorType);
break;
case CodecSrc::kNonNative8888_Always_DstColorType:
if (kRGB_565_SkColorType == canvasColorType
|| kRGBA_F16_SkColorType == canvasColorType) {
return false;
}
#ifdef SK_PMCOLOR_IS_RGBA
*decodeInfo = decodeInfo->makeColorType(kBGRA_8888_SkColorType);
#else
*decodeInfo = decodeInfo->makeColorType(kRGBA_8888_SkColorType);
#endif
break;
default:
if (kRGB_565_SkColorType == canvasColorType &&
kOpaque_SkAlphaType != decodeInfo->alphaType()) {
return false;
}
*decodeInfo = decodeInfo->makeColorType(canvasColorType);
break;
}
*decodeInfo = decodeInfo->makeAlphaType(dstAlphaType);
return true;
}
static void draw_to_canvas(SkCanvas* canvas, const SkImageInfo& info, void* pixels, size_t rowBytes,
CodecSrc::DstColorType dstColorType,
SkScalar left = 0, SkScalar top = 0) {
SkBitmap bitmap;
bitmap.installPixels(info, pixels, rowBytes);
swap_rb_if_necessary(bitmap, dstColorType);
canvas->drawBitmap(bitmap, left, top);
}
// For codec srcs, we want the "draw" step to be a memcpy. Any interesting color space or
// color format conversions should be performed by the codec. Sometimes the output of the
// decode will be in an interesting color space. On our srgb and f16 backends, we need to
// "pretend" that the color space is standard sRGB to avoid triggering color conversion
// at draw time.
static void set_bitmap_color_space(SkImageInfo* info) {
*info = info->makeColorSpace(SkColorSpace::MakeSRGB());
}
Error CodecSrc::draw(SkCanvas* canvas) const {
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
if (!encoded) {
return SkStringPrintf("Couldn't read %s.", fPath.c_str());
}
std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(encoded));
if (nullptr == codec.get()) {
return SkStringPrintf("Couldn't create codec for %s.", fPath.c_str());
}
SkImageInfo decodeInfo = codec->getInfo();
if (!get_decode_info(&decodeInfo, canvas->imageInfo().colorType(), fDstColorType,
fDstAlphaType)) {
return Error::Nonfatal("Skipping uninteresting test.");
}
// Try to scale the image if it is desired
SkISize size = codec->getScaledDimensions(fScale);
if (size == decodeInfo.dimensions() && 1.0f != fScale) {
return Error::Nonfatal("Test without scaling is uninteresting.");
}
// Visually inspecting very small output images is not necessary. We will
// cover these cases in unit testing.
if ((size.width() <= 10 || size.height() <= 10) && 1.0f != fScale) {
return Error::Nonfatal("Scaling very small images is uninteresting.");
}
decodeInfo = decodeInfo.makeWH(size.width(), size.height());
const int bpp = decodeInfo.bytesPerPixel();
const size_t rowBytes = size.width() * bpp;
const size_t safeSize = decodeInfo.computeByteSize(rowBytes);
SkAutoMalloc pixels(safeSize);
SkCodec::Options options;
if (kCodecZeroInit_Mode == fMode) {
memset(pixels.get(), 0, size.height() * rowBytes);
options.fZeroInitialized = SkCodec::kYes_ZeroInitialized;
}
SkImageInfo bitmapInfo = decodeInfo;
set_bitmap_color_space(&bitmapInfo);
if (kRGBA_8888_SkColorType == decodeInfo.colorType() ||
kBGRA_8888_SkColorType == decodeInfo.colorType()) {
bitmapInfo = bitmapInfo.makeColorType(kN32_SkColorType);
}
switch (fMode) {
case kAnimated_Mode: {
std::vector<SkCodec::FrameInfo> frameInfos = codec->getFrameInfo();
if (frameInfos.size() <= 1) {
return SkStringPrintf("%s is not an animated image.", fPath.c_str());
}
// As in CodecSrc::size(), compute a roughly square grid to draw the frames
// into. "factor" is the number of frames to draw on one row. There will be
// up to "factor" rows as well.
const float root = sqrt((float) frameInfos.size());
const int factor = sk_float_ceil2int(root);
// Used to cache a frame that future frames will depend on.
SkAutoMalloc priorFramePixels;
int cachedFrame = SkCodec::kNoFrame;
for (int i = 0; static_cast<size_t>(i) < frameInfos.size(); i++) {
options.fFrameIndex = i;
// Check for a prior frame
const int reqFrame = frameInfos[i].fRequiredFrame;
if (reqFrame != SkCodec::kNoFrame && reqFrame == cachedFrame
&& priorFramePixels.get()) {
// Copy into pixels
memcpy(pixels.get(), priorFramePixels.get(), safeSize);
options.fPriorFrame = reqFrame;
} else {
options.fPriorFrame = SkCodec::kNoFrame;
}
SkCodec::Result result = codec->getPixels(decodeInfo, pixels.get(),
rowBytes, &options);
if (SkCodec::kInvalidInput == result && i > 0) {
// Some of our test images have truncated later frames. Treat that
// the same as incomplete.
result = SkCodec::kIncompleteInput;
}
switch (result) {
case SkCodec::kSuccess:
case SkCodec::kErrorInInput:
case SkCodec::kIncompleteInput: {
// If the next frame depends on this one, store it in priorFrame.
// It is possible that we may discard a frame that future frames depend on,
// but the codec will simply redecode the discarded frame.
// Do this before calling draw_to_canvas, which premultiplies in place. If
// we're decoding to unpremul, we want to pass the unmodified frame to the
// codec for decoding the next frame.
if (static_cast<size_t>(i+1) < frameInfos.size()
&& frameInfos[i+1].fRequiredFrame == i) {
memcpy(priorFramePixels.reset(safeSize), pixels.get(), safeSize);
cachedFrame = i;
}
SkAutoCanvasRestore acr(canvas, true);
const int xTranslate = (i % factor) * decodeInfo.width();
const int yTranslate = (i / factor) * decodeInfo.height();
canvas->translate(SkIntToScalar(xTranslate), SkIntToScalar(yTranslate));
draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, fDstColorType);
if (result != SkCodec::kSuccess) {
return "";
}
break;
}
case SkCodec::kInvalidConversion:
if (i > 0 && (decodeInfo.colorType() == kRGB_565_SkColorType)) {
return Error::Nonfatal(SkStringPrintf(
"Cannot decode frame %i to 565 (%s).", i, fPath.c_str()));
}
// Fall through.
default:
return SkStringPrintf("Couldn't getPixels for frame %i in %s.",
i, fPath.c_str());
}
}
break;
}
case kCodecZeroInit_Mode:
case kCodec_Mode: {
switch (codec->getPixels(decodeInfo, pixels.get(), rowBytes, &options)) {
case SkCodec::kSuccess:
// We consider these to be valid, since we should still decode what is
// available.
case SkCodec::kErrorInInput:
case SkCodec::kIncompleteInput:
break;
default:
// Everything else is considered a failure.
return SkStringPrintf("Couldn't getPixels %s.", fPath.c_str());
}
draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, fDstColorType);
break;
}
case kScanline_Mode: {
void* dst = pixels.get();
uint32_t height = decodeInfo.height();
const bool useIncremental = [this]() {
auto exts = { "png", "PNG", "gif", "GIF" };
for (auto ext : exts) {
if (fPath.endsWith(ext)) {
return true;
}
}
return false;
}();
// ico may use the old scanline method or the new one, depending on whether it
// internally holds a bmp or a png.
const bool ico = fPath.endsWith("ico");
bool useOldScanlineMethod = !useIncremental && !ico;
if (useIncremental || ico) {
if (SkCodec::kSuccess == codec->startIncrementalDecode(decodeInfo, dst,
rowBytes, &options)) {
int rowsDecoded;
auto result = codec->incrementalDecode(&rowsDecoded);
if (SkCodec::kIncompleteInput == result || SkCodec::kErrorInInput == result) {
codec->fillIncompleteImage(decodeInfo, dst, rowBytes,
SkCodec::kNo_ZeroInitialized, height,
rowsDecoded);
}
} else {
if (useIncremental) {
// Error: These should support incremental decode.
return "Could not start incremental decode";
}
// Otherwise, this is an ICO. Since incremental failed, it must contain a BMP,
// which should work via startScanlineDecode
useOldScanlineMethod = true;
}
}
if (useOldScanlineMethod) {
if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo)) {
return "Could not start scanline decoder";
}
// We do not need to check the return value. On an incomplete
// image, memory will be filled with a default value.
codec->getScanlines(dst, height, rowBytes);
}
draw_to_canvas(canvas, bitmapInfo, dst, rowBytes, fDstColorType);
break;
}
case kStripe_Mode: {
const int height = decodeInfo.height();
// This value is chosen arbitrarily. We exercise more cases by choosing a value that
// does not align with image blocks.
const int stripeHeight = 37;
const int numStripes = (height + stripeHeight - 1) / stripeHeight;
void* dst = pixels.get();
// Decode odd stripes
if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo, &options)) {
return "Could not start scanline decoder";
}
// This mode was designed to test the new skip scanlines API in libjpeg-turbo.
// Jpegs have kTopDown_SkScanlineOrder, and at this time, it is not interesting
// to run this test for image types that do not have this scanline ordering.
// We only run this on Jpeg, which is always kTopDown.
SkASSERT(SkCodec::kTopDown_SkScanlineOrder == codec->getScanlineOrder());
for (int i = 0; i < numStripes; i += 2) {
// Skip a stripe
const int linesToSkip = SkTMin(stripeHeight, height - i * stripeHeight);
codec->skipScanlines(linesToSkip);
// Read a stripe
const int startY = (i + 1) * stripeHeight;
const int linesToRead = SkTMin(stripeHeight, height - startY);
if (linesToRead > 0) {
codec->getScanlines(SkTAddOffset<void>(dst, rowBytes * startY), linesToRead,
rowBytes);
}
}
// Decode even stripes
const SkCodec::Result startResult = codec->startScanlineDecode(decodeInfo);
if (SkCodec::kSuccess != startResult) {
return "Failed to restart scanline decoder with same parameters.";
}
for (int i = 0; i < numStripes; i += 2) {
// Read a stripe
const int startY = i * stripeHeight;
const int linesToRead = SkTMin(stripeHeight, height - startY);
codec->getScanlines(SkTAddOffset<void>(dst, rowBytes * startY), linesToRead,
rowBytes);
// Skip a stripe
const int linesToSkip = SkTMin(stripeHeight, height - (i + 1) * stripeHeight);
if (linesToSkip > 0) {
codec->skipScanlines(linesToSkip);
}
}
draw_to_canvas(canvas, bitmapInfo, dst, rowBytes, fDstColorType);
break;
}
case kCroppedScanline_Mode: {
const int width = decodeInfo.width();
const int height = decodeInfo.height();
// This value is chosen because, as we move across the image, it will sometimes
// align with the jpeg block sizes and it will sometimes not. This allows us
// to test interestingly different code paths in the implementation.
const int tileSize = 36;
SkIRect subset;
for (int x = 0; x < width; x += tileSize) {
subset = SkIRect::MakeXYWH(x, 0, SkTMin(tileSize, width - x), height);
options.fSubset = &subset;
if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo, &options)) {
return "Could not start scanline decoder.";
}
codec->getScanlines(SkTAddOffset<void>(pixels.get(), x * bpp), height, rowBytes);
}
draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, fDstColorType);
break;
}
case kSubset_Mode: {
// Arbitrarily choose a divisor.
int divisor = 2;
// Total width/height of the image.
const int W = codec->getInfo().width();
const int H = codec->getInfo().height();
if (divisor > W || divisor > H) {
return Error::Nonfatal(SkStringPrintf("Cannot codec subset: divisor %d is too big "
"for %s with dimensions (%d x %d)", divisor,
fPath.c_str(), W, H));
}
// subset dimensions
// SkWebpCodec, the only one that supports subsets, requires even top/left boundaries.
const int w = SkAlign2(W / divisor);
const int h = SkAlign2(H / divisor);
SkIRect subset;
options.fSubset = &subset;
SkBitmap subsetBm;
// We will reuse pixel memory from bitmap.
void* dst = pixels.get();
// Keep track of left and top (for drawing subsetBm into canvas). We could use
// fScale * x and fScale * y, but we want integers such that the next subset will start
// where the last one ended. So we'll add decodeInfo.width() and height().
int left = 0;
for (int x = 0; x < W; x += w) {
int top = 0;
for (int y = 0; y < H; y+= h) {
// Do not make the subset go off the edge of the image.
const int preScaleW = SkTMin(w, W - x);
const int preScaleH = SkTMin(h, H - y);
subset.setXYWH(x, y, preScaleW, preScaleH);
// And scale
// FIXME: Should we have a version of getScaledDimensions that takes a subset
// into account?
const int scaledW = SkTMax(1, SkScalarRoundToInt(preScaleW * fScale));
const int scaledH = SkTMax(1, SkScalarRoundToInt(preScaleH * fScale));
decodeInfo = decodeInfo.makeWH(scaledW, scaledH);
SkImageInfo subsetBitmapInfo = bitmapInfo.makeWH(scaledW, scaledH);
size_t subsetRowBytes = subsetBitmapInfo.minRowBytes();
const SkCodec::Result result = codec->getPixels(decodeInfo, dst, subsetRowBytes,
&options);
switch (result) {
case SkCodec::kSuccess:
case SkCodec::kErrorInInput:
case SkCodec::kIncompleteInput:
break;
default:
return SkStringPrintf("subset codec failed to decode (%d, %d, %d, %d) "
"from %s with dimensions (%d x %d)\t error %d",
x, y, decodeInfo.width(), decodeInfo.height(),
fPath.c_str(), W, H, result);
}
draw_to_canvas(canvas, subsetBitmapInfo, dst, subsetRowBytes, fDstColorType,
SkIntToScalar(left), SkIntToScalar(top));
// translate by the scaled height.
top += decodeInfo.height();
}
// translate by the scaled width.
left += decodeInfo.width();
}
return "";
}
default:
SkASSERT(false);
return "Invalid fMode";
}
return "";
}
SkISize CodecSrc::size() const {
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(encoded));
if (nullptr == codec) {
return {0, 0};
}
auto imageSize = codec->getScaledDimensions(fScale);
if (fMode == kAnimated_Mode) {
// We'll draw one of each frame, so make it big enough to hold them all
// in a grid. The grid will be roughly square, with "factor" frames per
// row and up to "factor" rows.
const size_t count = codec->getFrameInfo().size();
const float root = sqrt((float) count);
const int factor = sk_float_ceil2int(root);
imageSize.fWidth = imageSize.fWidth * factor;
imageSize.fHeight = imageSize.fHeight * sk_float_ceil2int((float) count / (float) factor);
}
return imageSize;
}
Name CodecSrc::name() const {
if (1.0f == fScale) {
Name name = SkOSPath::Basename(fPath.c_str());
if (fMode == kAnimated_Mode) {
name.append("_animated");
}
return name;
}
SkASSERT(fMode != kAnimated_Mode);
return get_scaled_name(fPath, fScale);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
AndroidCodecSrc::AndroidCodecSrc(Path path, CodecSrc::DstColorType dstColorType,
SkAlphaType dstAlphaType, int sampleSize)
: fPath(path)
, fDstColorType(dstColorType)
, fDstAlphaType(dstAlphaType)
, fSampleSize(sampleSize)
, fRunSerially(serial_from_path_name(path))
{}
bool AndroidCodecSrc::veto(SinkFlags flags) const {
// No need to test decoding to non-raster or indirect backend.
return flags.type != SinkFlags::kRaster
|| flags.approach != SinkFlags::kDirect;
}
Error AndroidCodecSrc::draw(SkCanvas* canvas) const {
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
if (!encoded) {
return SkStringPrintf("Couldn't read %s.", fPath.c_str());
}
std::unique_ptr<SkAndroidCodec> codec(SkAndroidCodec::MakeFromData(encoded));
if (nullptr == codec) {
return SkStringPrintf("Couldn't create android codec for %s.", fPath.c_str());
}
SkImageInfo decodeInfo = codec->getInfo();
if (!get_decode_info(&decodeInfo, canvas->imageInfo().colorType(), fDstColorType,
fDstAlphaType)) {
return Error::Nonfatal("Skipping uninteresting test.");
}
// Scale the image if it is desired.
SkISize size = codec->getSampledDimensions(fSampleSize);
// Visually inspecting very small output images is not necessary. We will
// cover these cases in unit testing.
if ((size.width() <= 10 || size.height() <= 10) && 1 != fSampleSize) {
return Error::Nonfatal("Scaling very small images is uninteresting.");
}
decodeInfo = decodeInfo.makeWH(size.width(), size.height());
int bpp = decodeInfo.bytesPerPixel();
size_t rowBytes = size.width() * bpp;
SkAutoMalloc pixels(size.height() * rowBytes);
SkBitmap bitmap;
SkImageInfo bitmapInfo = decodeInfo;
set_bitmap_color_space(&bitmapInfo);
if (kRGBA_8888_SkColorType == decodeInfo.colorType() ||
kBGRA_8888_SkColorType == decodeInfo.colorType()) {
bitmapInfo = bitmapInfo.makeColorType(kN32_SkColorType);
}
// Create options for the codec.
SkAndroidCodec::AndroidOptions options;
options.fSampleSize = fSampleSize;
switch (codec->getAndroidPixels(decodeInfo, pixels.get(), rowBytes, &options)) {
case SkCodec::kSuccess:
case SkCodec::kErrorInInput:
case SkCodec::kIncompleteInput:
break;
default:
return SkStringPrintf("Couldn't getPixels %s.", fPath.c_str());
}
draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, fDstColorType);
return "";
}
SkISize AndroidCodecSrc::size() const {
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
std::unique_ptr<SkAndroidCodec> codec(SkAndroidCodec::MakeFromData(encoded));
if (nullptr == codec) {
return {0, 0};
}
return codec->getSampledDimensions(fSampleSize);
}
Name AndroidCodecSrc::name() const {
// We will replicate the names used by CodecSrc so that images can
// be compared in Gold.
if (1 == fSampleSize) {
return SkOSPath::Basename(fPath.c_str());
}
return get_scaled_name(fPath, 1.0f / (float) fSampleSize);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
ImageGenSrc::ImageGenSrc(Path path, Mode mode, SkAlphaType alphaType, bool isGpu)
: fPath(path)
, fMode(mode)
, fDstAlphaType(alphaType)
, fIsGpu(isGpu)
, fRunSerially(serial_from_path_name(path))
{}
bool ImageGenSrc::veto(SinkFlags flags) const {
if (fIsGpu) {
// MSAA runs tend to run out of memory and tests the same code paths as regular gpu configs.
return flags.type != SinkFlags::kGPU || flags.approach != SinkFlags::kDirect ||
flags.multisampled == SinkFlags::kMultisampled;
}
return flags.type != SinkFlags::kRaster || flags.approach != SinkFlags::kDirect;
}
Error ImageGenSrc::draw(SkCanvas* canvas) const {
if (kRGB_565_SkColorType == canvas->imageInfo().colorType()) {
return Error::Nonfatal("Uninteresting to test image generator to 565.");
}
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
if (!encoded) {
return SkStringPrintf("Couldn't read %s.", fPath.c_str());
}
#if defined(SK_BUILD_FOR_WIN)
// Initialize COM in order to test with WIC.
SkAutoCoInitialize com;
if (!com.succeeded()) {
return "Could not initialize COM.";
}
#endif
std::unique_ptr<SkImageGenerator> gen(nullptr);
switch (fMode) {
case kCodec_Mode:
gen = SkCodecImageGenerator::MakeFromEncodedCodec(encoded);
if (!gen) {
return "Could not create codec image generator.";
}
break;
case kPlatform_Mode: {
#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
gen = SkImageGeneratorCG::MakeFromEncodedCG(encoded);
#elif defined(SK_BUILD_FOR_WIN)
gen = SkImageGeneratorWIC::MakeFromEncodedWIC(encoded);
#endif
if (!gen) {
return "Could not create platform image generator.";
}
break;
}
default:
SkASSERT(false);
return "Invalid image generator mode";
}
// Test deferred decoding path on GPU
if (fIsGpu) {
sk_sp<SkImage> image(SkImage::MakeFromGenerator(std::move(gen), nullptr));
if (!image) {
return "Could not create image from codec image generator.";
}
canvas->drawImage(image, 0, 0);
return "";
}
// Test various color and alpha types on CPU
SkImageInfo decodeInfo = gen->getInfo().makeAlphaType(fDstAlphaType);
int bpp = decodeInfo.bytesPerPixel();
size_t rowBytes = decodeInfo.width() * bpp;
SkAutoMalloc pixels(decodeInfo.height() * rowBytes);
if (!gen->getPixels(decodeInfo, pixels.get(), rowBytes)) {
SkString err =
SkStringPrintf("Image generator could not getPixels() for %s\n", fPath.c_str());
#if defined(SK_BUILD_FOR_WIN)
if (kPlatform_Mode == fMode) {
// Do not issue a fatal error for WIC flakiness.
return Error::Nonfatal(err);
}
#endif
return err;
}
set_bitmap_color_space(&decodeInfo);
draw_to_canvas(canvas, decodeInfo, pixels.get(), rowBytes,
CodecSrc::kGetFromCanvas_DstColorType);
return "";
}
SkISize ImageGenSrc::size() const {
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(encoded));
if (nullptr == codec) {
return {0, 0};
}
return codec->getInfo().dimensions();
}
Name ImageGenSrc::name() const {
return SkOSPath::Basename(fPath.c_str());
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
ColorCodecSrc::ColorCodecSrc(Path path, bool decode_to_dst) : fPath(path)
, fDecodeToDst(decode_to_dst) {}
bool ColorCodecSrc::veto(SinkFlags flags) const {
// Test to direct raster backends (8888 and 565).
return flags.type != SinkFlags::kRaster || flags.approach != SinkFlags::kDirect;
}
Error ColorCodecSrc::draw(SkCanvas* canvas) const {
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
if (!encoded) {
return SkStringPrintf("Couldn't read %s.", fPath.c_str());
}
std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(encoded));
if (nullptr == codec) {
return SkStringPrintf("Couldn't create codec for %s.", fPath.c_str());
}
SkImageInfo info = codec->getInfo();
if (fDecodeToDst) {
info = canvas->imageInfo().makeWH(info.width(),
info.height());
}
SkBitmap bitmap;
if (!bitmap.tryAllocPixels(info)) {
return SkStringPrintf("Image(%s) is too large (%d x %d)",
fPath.c_str(), info.width(), info.height());
}
switch (auto r = codec->getPixels(info, bitmap.getPixels(), bitmap.rowBytes())) {
case SkCodec::kSuccess:
case SkCodec::kErrorInInput:
case SkCodec::kIncompleteInput:
canvas->drawBitmap(bitmap, 0,0);
return "";
case SkCodec::kInvalidConversion:
// TODO(mtklein): why are there formats we can't decode to?
return Error::Nonfatal("SkCodec can't decode to this format.");
default:
return SkStringPrintf("Couldn't getPixels %s. Error code %d", fPath.c_str(), r);
}
}
SkISize ColorCodecSrc::size() const {
sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(encoded));
if (nullptr == codec) {
return {0, 0};
}
return {codec->getInfo().width(), codec->getInfo().height()};
}
Name ColorCodecSrc::name() const {
return SkOSPath::Basename(fPath.c_str());
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
static DEFINE_int(skpViewportSize, 1000,
"Width & height of the viewport used to crop skp rendering.");
SKPSrc::SKPSrc(Path path) : fPath(path) { }
Error SKPSrc::draw(SkCanvas* canvas) const {
std::unique_ptr<SkStream> stream = SkStream::MakeFromFile(fPath.c_str());
if (!stream) {
return SkStringPrintf("Couldn't read %s.", fPath.c_str());
}
sk_sp<SkPicture> pic(SkPicture::MakeFromStream(stream.get()));
if (!pic) {
return SkStringPrintf("Couldn't parse file %s.", fPath.c_str());
}
stream = nullptr; // Might as well drop this when we're done with it.
canvas->clipRect(SkRect::MakeWH(FLAGS_skpViewportSize, FLAGS_skpViewportSize));
canvas->drawPicture(pic);
return "";
}
static SkRect get_cull_rect_for_skp(const char* path) {
std::unique_ptr<SkStream> stream = SkStream::MakeFromFile(path);
if (!stream) {
return SkRect::MakeEmpty();
}
SkPictInfo info;
if (!SkPicture_StreamIsSKP(stream.get(), &info)) {
return SkRect::MakeEmpty();
}
return info.fCullRect;
}
SkISize SKPSrc::size() const {
SkRect viewport = get_cull_rect_for_skp(fPath.c_str());
if (!viewport.intersect((SkRect::MakeWH(FLAGS_skpViewportSize, FLAGS_skpViewportSize)))) {
return {0, 0};
}
return viewport.roundOut().size();
}
Name SKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); }
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
BisectSrc::BisectSrc(Path path, const char* trail) : INHERITED(path), fTrail(trail) {}
Error BisectSrc::draw(SkCanvas* canvas) const {
struct FoundPath {
SkPath fPath;
SkPaint fPaint;
SkMatrix fViewMatrix;
};
// This subclass of SkCanvas just extracts all the SkPaths (drawn via drawPath) from an SKP.
class PathFindingCanvas : public SkCanvas {
public:
PathFindingCanvas(int width, int height) : SkCanvas(width, height, nullptr) {}
const SkTArray<FoundPath>& foundPaths() const { return fFoundPaths; }
private:
void onDrawPath(const SkPath& path, const SkPaint& paint) override {
fFoundPaths.push_back() = {path, paint, this->getTotalMatrix()};
}
SkTArray<FoundPath> fFoundPaths;
};
PathFindingCanvas pathFinder(canvas->getBaseLayerSize().width(),
canvas->getBaseLayerSize().height());
Error err = this->INHERITED::draw(&pathFinder);
if (!err.isEmpty()) {
return err;
}
int start = 0, end = pathFinder.foundPaths().count();
for (const char* ch = fTrail.c_str(); *ch; ++ch) {
int midpt = (start + end) / 2;
if ('l' == *ch) {
start = midpt;
} else if ('r' == *ch) {
end = midpt;
}
}
for (int i = start; i < end; ++i) {
const FoundPath& path = pathFinder.foundPaths()[i];
SkAutoCanvasRestore acr(canvas, true);
canvas->concat(path.fViewMatrix);
canvas->drawPath(path.fPath, path.fPaint);
}
return "";
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#if defined(SK_ENABLE_SKOTTIE)
SkottieSrc::SkottieSrc(Path path) : fPath(std::move(path)) {}
Error SkottieSrc::draw(SkCanvas* canvas) const {
auto animation = skottie::Animation::Builder()
.setResourceProvider(
skottie_utils::FileResourceProvider::Make(SkOSPath::Dirname(fPath.c_str())))
.makeFromFile(fPath.c_str());
if (!animation) {
return SkStringPrintf("Unable to parse file: %s", fPath.c_str());
}
canvas->drawColor(SK_ColorWHITE);
const auto t_rate = 1.0f / (kTileCount * kTileCount - 1);
// Draw the frames in a shuffled order to exercise non-linear
// frame progression. The film strip will still be in order left-to-right,
// top-down, just not drawn in that order.
static constexpr int frameOrder[] = { 4, 0, 3, 1, 2 };
static_assert(SK_ARRAY_COUNT(frameOrder) == kTileCount, "");
for (int i = 0; i < kTileCount; ++i) {
const SkScalar y = frameOrder[i] * kTileSize;
for (int j = 0; j < kTileCount; ++j) {
const SkScalar x = frameOrder[j] * kTileSize;
SkRect dest = SkRect::MakeXYWH(x, y, kTileSize, kTileSize);
const auto t = t_rate * (frameOrder[i] * kTileCount + frameOrder[j]);
{
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(dest, true);
canvas->concat(SkMatrix::MakeRectToRect(SkRect::MakeSize(animation->size()),
dest,
SkMatrix::kCenter_ScaleToFit));
animation->seek(t);
animation->render(canvas);
}
}
}
return "";
}
SkISize SkottieSrc::size() const {
return SkISize::Make(kTargetSize, kTargetSize);
}
Name SkottieSrc::name() const { return SkOSPath::Basename(fPath.c_str()); }
bool SkottieSrc::veto(SinkFlags flags) const {
// No need to test to non-(raster||gpu||vector) or indirect backends.
bool type_ok = flags.type == SinkFlags::kRaster
|| flags.type == SinkFlags::kGPU
|| flags.type == SinkFlags::kVector;
return !type_ok || flags.approach != SinkFlags::kDirect;
}
#endif
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#if defined(SK_XML)
// Used when the image doesn't have an intrinsic size.
static const SkSize kDefaultSVGSize = {1000, 1000};
// Used to force-scale tiny fixed-size images.
static const SkSize kMinimumSVGSize = {128, 128};
SVGSrc::SVGSrc(Path path)
: fName(SkOSPath::Basename(path.c_str()))
, fScale(1) {
sk_sp<SkData> data(SkData::MakeFromFileName(path.c_str()));
if (!data) {
return;
}
SkMemoryStream stream(std::move(data));
fDom = SkSVGDOM::MakeFromStream(stream);
if (!fDom) {
return;
}
const SkSize& sz = fDom->containerSize();
if (sz.isEmpty()) {
// no intrinsic size
fDom->setContainerSize(kDefaultSVGSize);
} else {
fScale = SkTMax(1.f, SkTMax(kMinimumSVGSize.width() / sz.width(),
kMinimumSVGSize.height() / sz.height()));
}
}
Error SVGSrc::draw(SkCanvas* canvas) const {
if (!fDom) {
return SkStringPrintf("Unable to parse file: %s", fName.c_str());
}
SkAutoCanvasRestore acr(canvas, true);
canvas->scale(fScale, fScale);
fDom->render(canvas);
return "";
}
SkISize SVGSrc::size() const {
if (!fDom) {
return {0, 0};
}
return SkSize{fDom->containerSize().width() * fScale, fDom->containerSize().height() * fScale}
.toRound();
}
Name SVGSrc::name() const { return fName; }
bool SVGSrc::veto(SinkFlags flags) const {
// No need to test to non-(raster||gpu||vector) or indirect backends.
bool type_ok = flags.type == SinkFlags::kRaster
|| flags.type == SinkFlags::kGPU
|| flags.type == SinkFlags::kVector;
return !type_ok || flags.approach != SinkFlags::kDirect;
}
#endif // defined(SK_XML)
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
MSKPSrc::MSKPSrc(Path path) : fPath(path) {
std::unique_ptr<SkStreamAsset> stream = SkStream::MakeFromFile(fPath.c_str());
int count = SkMultiPictureDocumentReadPageCount(stream.get());
if (count > 0) {
fPages.reset(count);
(void)SkMultiPictureDocumentReadPageSizes(stream.get(), &fPages[0], fPages.count());
}
}
int MSKPSrc::pageCount() const { return fPages.count(); }
SkISize MSKPSrc::size() const { return this->size(0); }
SkISize MSKPSrc::size(int i) const {
return i >= 0 && i < fPages.count() ? fPages[i].fSize.toCeil() : SkISize{0, 0};
}
Error MSKPSrc::draw(SkCanvas* c) const { return this->draw(0, c); }
Error MSKPSrc::draw(int i, SkCanvas* canvas) const {
if (this->pageCount() == 0) {
return SkStringPrintf("Unable to parse MultiPictureDocument file: %s", fPath.c_str());
}
if (i >= fPages.count() || i < 0) {
return SkStringPrintf("MultiPictureDocument page number out of range: %d", i);
}
SkPicture* page = fPages[i].fPicture.get();
if (!page) {
std::unique_ptr<SkStreamAsset> stream = SkStream::MakeFromFile(fPath.c_str());
if (!stream) {
return SkStringPrintf("Unable to open file: %s", fPath.c_str());
}
if (!SkMultiPictureDocumentRead(stream.get(), &fPages[0], fPages.count())) {
return SkStringPrintf("SkMultiPictureDocument reader failed on page %d: %s", i,
fPath.c_str());
}
page = fPages[i].fPicture.get();
}
canvas->drawPicture(page);
return "";
}
Name MSKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); }
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
Error NullSink::draw(const Src& src, SkBitmap*, SkWStream*, SkString*) const {
return src.draw(SkMakeNullCanvas().get());
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
static Error compare_bitmaps(const SkBitmap& reference, const SkBitmap& bitmap) {
// The dimensions are a property of the Src only, and so should be identical.
SkASSERT(reference.computeByteSize() == bitmap.computeByteSize());
if (reference.computeByteSize() != bitmap.computeByteSize()) {
return "Dimensions don't match reference";
}
// All SkBitmaps in DM are tight, so this comparison is easy.
if (0 != memcmp(reference.getPixels(), bitmap.getPixels(), reference.computeByteSize())) {
SkString encoded;
SkString errString("Pixels don't match reference");
if (bitmap_to_base64_data_uri(reference, &encoded)) {
errString.append("\nExpected: ");
errString.append(encoded);
} else {
errString.append("\nExpected image failed to encode: ");
errString.append(encoded);
}
if (bitmap_to_base64_data_uri(bitmap, &encoded)) {
errString.append("\nActual: ");
errString.append(encoded);
} else {
errString.append("\nActual image failed to encode: ");
errString.append(encoded);
}
return errString;
}
return "";
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
static DEFINE_bool(gpuStats, false, "Append GPU stats to the log for each GPU task?");
static DEFINE_bool(preAbandonGpuContext, false,
"Test abandoning the GrContext before running the test.");
static DEFINE_bool(abandonGpuContext, false,
"Test abandoning the GrContext after running each test.");
static DEFINE_bool(releaseAndAbandonGpuContext, false,
"Test releasing all gpu resources and abandoning the GrContext "
"after running each test");
static DEFINE_bool(drawOpClip, false, "Clip each GrDrawOp to its device bounds for testing.");
GPUSink::GPUSink(GrContextFactory::ContextType ct,
GrContextFactory::ContextOverrides overrides,
SkCommandLineConfigGpu::SurfType surfType,
int samples,
bool diText,
SkColorType colorType,
SkAlphaType alphaType,
sk_sp<SkColorSpace> colorSpace,
bool threaded,
const GrContextOptions& grCtxOptions)
: fContextType(ct)
, fContextOverrides(overrides)
, fSurfType(surfType)
, fSampleCount(samples)
, fUseDIText(diText)
, fColorType(colorType)
, fAlphaType(alphaType)
, fColorSpace(std::move(colorSpace))
, fThreaded(threaded)
, fBaseContextOptions(grCtxOptions) {}
Error GPUSink::draw(const Src& src, SkBitmap* dst, SkWStream* dstStream, SkString* log) const {
return this->onDraw(src, dst, dstStream, log, fBaseContextOptions);
}
Error GPUSink::onDraw(const Src& src, SkBitmap* dst, SkWStream*, SkString* log,
const GrContextOptions& baseOptions) const {
GrContextOptions grOptions = baseOptions;
// We don't expect the src to mess with the persistent cache or the executor.
SkDEBUGCODE(auto cache = grOptions.fPersistentCache);
SkDEBUGCODE(auto exec = grOptions.fExecutor);
src.modifyGrContextOptions(&grOptions);
SkASSERT(cache == grOptions.fPersistentCache);
SkASSERT(exec == grOptions.fExecutor);
GrContextFactory factory(grOptions);
const SkISize size = src.size();
SkImageInfo info =
SkImageInfo::Make(size.width(), size.height(), fColorType, fAlphaType, fColorSpace);
sk_sp<SkSurface> surface;
GrContext* context = factory.getContextInfo(fContextType, fContextOverrides).grContext();
const int maxDimension = context->priv().caps()->maxTextureSize();
if (maxDimension < SkTMax(size.width(), size.height())) {
return Error::Nonfatal("Src too large to create a texture.\n");
}
uint32_t flags = fUseDIText ? SkSurfaceProps::kUseDeviceIndependentFonts_Flag : 0;
SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
GrBackendTexture backendTexture;
GrBackendRenderTarget backendRT;
switch (fSurfType) {
case SkCommandLineConfigGpu::SurfType::kDefault:
surface = SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info, fSampleCount,
&props);
break;
case SkCommandLineConfigGpu::SurfType::kBackendTexture:
backendTexture = context->createBackendTexture(
info.width(), info.height(), info.colorType(),
GrMipMapped::kNo, GrRenderable::kYes);
surface = SkSurface::MakeFromBackendTexture(context, backendTexture,
kTopLeft_GrSurfaceOrigin, fSampleCount,
fColorType, info.refColorSpace(), &props);
break;
case SkCommandLineConfigGpu::SurfType::kBackendRenderTarget:
if (1 == fSampleCount) {
auto colorType = SkColorTypeToGrColorType(info.colorType());
backendRT = context->priv().getGpu()->createTestingOnlyBackendRenderTarget(
info.width(), info.height(), colorType);
surface = SkSurface::MakeFromBackendRenderTarget(
context, backendRT, kBottomLeft_GrSurfaceOrigin, info.colorType(),
info.refColorSpace(), &props);
}
break;
}
if (!surface) {
return "Could not create a surface.";
}
if (FLAGS_preAbandonGpuContext) {
factory.abandonContexts();
}
SkCanvas* canvas = surface->getCanvas();
Error err = src.draw(canvas);
if (!err.isEmpty()) {
return err;
}
surface->flush();
if (FLAGS_gpuStats) {
canvas->getGrContext()->priv().dumpCacheStats(log);
canvas->getGrContext()->priv().dumpGpuStats(log);
}
if (info.colorType() == kRGB_565_SkColorType || info.colorType() == kARGB_4444_SkColorType ||
info.colorType() == kRGB_888x_SkColorType) {
// We don't currently support readbacks into these formats on the GPU backend. Convert to
// 32 bit.
info = SkImageInfo::Make(size.width(), size.height(), kRGBA_8888_SkColorType,
kPremul_SkAlphaType, fColorSpace);
}
dst->allocPixels(info);
canvas->readPixels(*dst, 0, 0);
if (FLAGS_abandonGpuContext) {
factory.abandonContexts();
} else if (FLAGS_releaseAndAbandonGpuContext) {
factory.releaseResourcesAndAbandonContexts();
}
if (!context->abandoned()) {
surface.reset();
if (backendTexture.isValid()) {
context->deleteBackendTexture(backendTexture);
}
if (backendRT.isValid()) {
context->priv().getGpu()->deleteTestingOnlyBackendRenderTarget(backendRT);
}
}
if (grOptions.fPersistentCache) {
context->storeVkPipelineCacheData();
}
return "";
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
GPUThreadTestingSink::GPUThreadTestingSink(GrContextFactory::ContextType ct,
GrContextFactory::ContextOverrides overrides,
SkCommandLineConfigGpu::SurfType surfType,
int samples,
bool diText,
SkColorType colorType,
SkAlphaType alphaType,
sk_sp<SkColorSpace> colorSpace,
bool threaded,
const GrContextOptions& grCtxOptions)
: INHERITED(ct, overrides, surfType, samples, diText, colorType, alphaType,
std::move(colorSpace), threaded, grCtxOptions)
, fExecutor(SkExecutor::MakeFIFOThreadPool(FLAGS_gpuThreads)) {
SkASSERT(fExecutor);
}
Error GPUThreadTestingSink::draw(const Src& src, SkBitmap* dst, SkWStream* wStream,
SkString* log) const {
// Draw twice, once with worker threads, and once without. Verify that we get the same result.
// Also, force us to only use the software path renderer, so we really stress-test the threaded
// version of that code.
GrContextOptions contextOptions = this->baseContextOptions();
contextOptions.fGpuPathRenderers = GpuPathRenderers::kNone;
contextOptions.fExecutor = fExecutor.get();
Error err = this->onDraw(src, dst, wStream, log, contextOptions);
if (!err.isEmpty() || !dst) {
return err;
}
SkBitmap reference;
SkString refLog;
SkDynamicMemoryWStream refStream;
contextOptions.fExecutor = nullptr;
Error refErr = this->onDraw(src, &reference, &refStream, &refLog, contextOptions);
if (!refErr.isEmpty()) {
return refErr;
}
return compare_bitmaps(reference, *dst);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
GPUPersistentCacheTestingSink::GPUPersistentCacheTestingSink(
GrContextFactory::ContextType ct,
GrContextFactory::ContextOverrides overrides,
SkCommandLineConfigGpu::SurfType surfType,
int samples,
bool diText,
SkColorType colorType,
SkAlphaType alphaType,
sk_sp<SkColorSpace> colorSpace,
bool threaded,
const GrContextOptions& grCtxOptions,
int cacheType)
: INHERITED(ct, overrides, surfType, samples, diText, colorType, alphaType,
std::move(colorSpace), threaded, grCtxOptions)
, fCacheType(cacheType) {}
Error GPUPersistentCacheTestingSink::draw(const Src& src, SkBitmap* dst, SkWStream* wStream,
SkString* log) const {
// Draw twice, once with a cold cache, and again with a warm cache. Verify that we get the same
// result.
sk_gpu_test::MemoryCache memoryCache;
GrContextOptions contextOptions = this->baseContextOptions();
contextOptions.fPersistentCache = &memoryCache;
contextOptions.fDisallowGLSLBinaryCaching = (fCacheType == 2);
Error err = this->onDraw(src, dst, wStream, log, contextOptions);
if (!err.isEmpty() || !dst) {
return err;
}
SkBitmap reference;
SkString refLog;
SkDynamicMemoryWStream refStream;
memoryCache.resetNumCacheMisses();
Error refErr = this->onDraw(src, &reference, &refStream, &refLog, contextOptions);
if (!refErr.isEmpty()) {
return refErr;
}
SkASSERT(!memoryCache.numCacheMisses());
return compare_bitmaps(reference, *dst);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
static Error draw_skdocument(const Src& src, SkDocument* doc, SkWStream* dst) {
if (src.size().isEmpty()) {
return "Source has empty dimensions";
}
SkASSERT(doc);
int pageCount = src.pageCount();
for (int i = 0; i < pageCount; ++i) {
int width = src.size(i).width(), height = src.size(i).height();
SkCanvas* canvas =
doc->beginPage(SkIntToScalar(width), SkIntToScalar(height));
if (!canvas) {
return "SkDocument::beginPage(w,h) returned nullptr";
}
Error err = src.draw(i, canvas);
if (!err.isEmpty()) {
return err;
}
doc->endPage();
}
doc->close();
dst->flush();
return "";
}
Error PDFSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {
SkPDF::Metadata metadata;
metadata.fTitle = src.name();
metadata.fSubject = "rendering correctness test";
metadata.fCreator = "Skia/DM";
metadata.fRasterDPI = fRasterDpi;
metadata.fPDFA = fPDFA;
#if SK_PDF_TEST_EXECUTOR
std::unique_ptr<SkExecutor> executor = SkExecutor::MakeFIFOThreadPool();
metadata.fExecutor = executor.get();
#endif
auto doc = SkPDF::MakeDocument(dst, metadata);
if (!doc) {
return "SkPDF::MakeDocument() returned nullptr";
}
return draw_skdocument(src, doc.get(), dst);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
XPSSink::XPSSink() {}
#ifdef SK_BUILD_FOR_WIN
static SkTScopedComPtr<IXpsOMObjectFactory> make_xps_factory() {
IXpsOMObjectFactory* factory;
HRN(CoCreateInstance(CLSID_XpsOMObjectFactory,
nullptr,
CLSCTX_INPROC_SERVER,
IID_PPV_ARGS(&factory)));
return SkTScopedComPtr<IXpsOMObjectFactory>(factory);
}
Error XPSSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {
SkAutoCoInitialize com;
if (!com.succeeded()) {
return "Could not initialize COM.";
}
SkTScopedComPtr<IXpsOMObjectFactory> factory = make_xps_factory();
if (!factory) {
return "Failed to create XPS Factory.";
}
auto doc = SkXPS::MakeDocument(dst, factory.get());
if (!doc) {
return "SkXPS::MakeDocument() returned nullptr";
}
return draw_skdocument(src, doc.get(), dst);
}
#else
Error XPSSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {
return "XPS not supported on this platform.";
}
#endif
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
SKPSink::SKPSink() {}
Error SKPSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {
SkSize size;
size = src.size();
SkPictureRecorder recorder;
Error err = src.draw(recorder.beginRecording(size.width(), size.height()));
if (!err.isEmpty()) {
return err;
}
recorder.finishRecordingAsPicture()->serialize(dst);
return "";
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
Error DebugSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {
DebugCanvas debugCanvas(src.size().width(), src.size().height());
Error err = src.draw(&debugCanvas);
if (!err.isEmpty()) {
return err;
}
std::unique_ptr<SkCanvas> nullCanvas = SkMakeNullCanvas();
UrlDataManager dataManager(SkString("data"));
SkJSONWriter writer(dst, SkJSONWriter::Mode::kPretty);
writer.beginObject(); // root
debugCanvas.toJSON(writer, dataManager, debugCanvas.getSize(), nullCanvas.get());
writer.endObject(); // root
writer.flush();
return "";
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
SVGSink::SVGSink(int pageIndex) : fPageIndex(pageIndex) {}
Error SVGSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {
#if defined(SK_XML)
if (src.pageCount() > 1) {
int pageCount = src.pageCount();
if (fPageIndex > pageCount - 1) {
return Error(SkStringPrintf("Page index %d too high for document with only %d pages.",
fPageIndex, pageCount));
}
}
return src.draw(fPageIndex,
SkSVGCanvas::Make(SkRect::MakeWH(SkIntToScalar(src.size().width()),
SkIntToScalar(src.size().height())),
dst)
.get());
#else
(void)fPageIndex;
return Error("SVG sink is disabled.");
#endif // SK_XML
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
RasterSink::RasterSink(SkColorType colorType, sk_sp<SkColorSpace> colorSpace)
: fColorType(colorType)
, fColorSpace(std::move(colorSpace)) {}
Error RasterSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString*) const {
const SkISize size = src.size();
// If there's an appropriate alpha type for this color type, use it, otherwise use premul.
SkAlphaType alphaType = kPremul_SkAlphaType;
(void)SkColorTypeValidateAlphaType(fColorType, alphaType, &alphaType);
dst->allocPixelsFlags(SkImageInfo::Make(size.width(), size.height(),
fColorType, alphaType, fColorSpace),
SkBitmap::kZeroPixels_AllocFlag);
SkCanvas canvas(*dst);
return src.draw(&canvas);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
// Handy for front-patching a Src. Do whatever up-front work you need, then call draw_to_canvas(),
// passing the Sink draw() arguments, a size, and a function draws into an SkCanvas.
// Several examples below.
template <typename Fn>
static Error draw_to_canvas(Sink* sink, SkBitmap* bitmap, SkWStream* stream, SkString* log,
SkISize size, const Fn& draw) {
class ProxySrc : public Src {
public:
ProxySrc(SkISize size, const Fn& draw) : fSize(size), fDraw(draw) {}
Error draw(SkCanvas* canvas) const override { return fDraw(canvas); }
Name name() const override { return "ProxySrc"; }
SkISize size() const override { return fSize; }
private:
SkISize fSize;
const Fn& fDraw;
};
return sink->draw(ProxySrc(size, draw), bitmap, stream, log);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
static DEFINE_bool(check, true, "If true, have most Via- modes fail if they affect the output.");
// Is *bitmap identical to what you get drawing src into sink?
static Error check_against_reference(const SkBitmap* bitmap, const Src& src, Sink* sink) {
// We can only check raster outputs.
// (Non-raster outputs like .pdf, .skp, .svg may differ but still draw identically.)
if (FLAGS_check && bitmap) {
SkBitmap reference;
SkString log;
SkDynamicMemoryWStream wStream;
Error err = sink->draw(src, &reference, &wStream, &log);
// If we can draw into this Sink via some pipeline, we should be able to draw directly.
SkASSERT(err.isEmpty());
if (!err.isEmpty()) {
return err;
}
return compare_bitmaps(reference, *bitmap);
}
return "";
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
static SkISize auto_compute_translate(SkMatrix* matrix, int srcW, int srcH) {
SkRect bounds = SkRect::MakeIWH(srcW, srcH);
matrix->mapRect(&bounds);
matrix->postTranslate(-bounds.x(), -bounds.y());
return {SkScalarRoundToInt(bounds.width()), SkScalarRoundToInt(bounds.height())};
}
ViaMatrix::ViaMatrix(SkMatrix matrix, Sink* sink) : Via(sink), fMatrix(matrix) {}
Error ViaMatrix::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
SkMatrix matrix = fMatrix;
SkISize size = auto_compute_translate(&matrix, src.size().width(), src.size().height());
return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) {
canvas->concat(matrix);
return src.draw(canvas);
});
}
// Undoes any flip or 90 degree rotate without changing the scale of the bitmap.
// This should be pixel-preserving.
ViaUpright::ViaUpright(SkMatrix matrix, Sink* sink) : Via(sink), fMatrix(matrix) {}
Error ViaUpright::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
Error err = fSink->draw(src, bitmap, stream, log);
if (!err.isEmpty()) {
return err;
}
SkMatrix inverse;
if (!fMatrix.rectStaysRect() || !fMatrix.invert(&inverse)) {
return "Cannot upright --matrix.";
}
SkMatrix upright = SkMatrix::I();
upright.setScaleX(SkScalarSignAsScalar(inverse.getScaleX()));
upright.setScaleY(SkScalarSignAsScalar(inverse.getScaleY()));
upright.setSkewX(SkScalarSignAsScalar(inverse.getSkewX()));
upright.setSkewY(SkScalarSignAsScalar(inverse.getSkewY()));
SkBitmap uprighted;
SkISize size = auto_compute_translate(&upright, bitmap->width(), bitmap->height());
uprighted.allocPixels(bitmap->info().makeWH(size.width(), size.height()));
SkCanvas canvas(uprighted);
canvas.concat(upright);
SkPaint paint;
paint.setBlendMode(SkBlendMode::kSrc);
canvas.drawBitmap(*bitmap, 0, 0, &paint);
*bitmap = uprighted;
return "";
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
Error ViaSerialization::draw(
const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
// Record our Src into a picture.
auto size = src.size();
SkPictureRecorder recorder;
Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()),
SkIntToScalar(size.height())));
if (!err.isEmpty()) {
return err;
}
sk_sp<SkPicture> pic(recorder.finishRecordingAsPicture());
// Serialize it and then deserialize it.
sk_sp<SkPicture> deserialized(SkPicture::MakeFromData(pic->serialize().get()));
err = draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) {
canvas->drawPicture(deserialized);
return "";
});
if (!err.isEmpty()) {
return err;
}
return check_against_reference(bitmap, src, fSink.get());
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
ViaTiles::ViaTiles(int w, int h, SkBBHFactory* factory, Sink* sink)
: Via(sink)
, fW(w)
, fH(h)
, fFactory(factory) {}
Error ViaTiles::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
auto size = src.size();
SkPictureRecorder recorder;
Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()),
SkIntToScalar(size.height()),
fFactory.get()));
if (!err.isEmpty()) {
return err;
}
sk_sp<SkPicture> pic(recorder.finishRecordingAsPicture());
return draw_to_canvas(fSink.get(), bitmap, stream, log, src.size(), [&](SkCanvas* canvas) {
const int xTiles = (size.width() + fW - 1) / fW,
yTiles = (size.height() + fH - 1) / fH;
SkMultiPictureDraw mpd(xTiles*yTiles);
SkTArray<sk_sp<SkSurface>> surfaces;
// surfaces.setReserve(xTiles*yTiles);
SkImageInfo info = canvas->imageInfo().makeWH(fW, fH);
for (int j = 0; j < yTiles; j++) {
for (int i = 0; i < xTiles; i++) {
// This lets our ultimate Sink determine the best kind of surface.
// E.g., if it's a GpuSink, the surfaces and images are textures.
auto s = canvas->makeSurface(info);
if (!s) {
s = SkSurface::MakeRaster(info); // Some canvases can't create surfaces.
}
surfaces.push_back(s);
SkCanvas* c = s->getCanvas();
c->translate(SkIntToScalar(-i * fW),
SkIntToScalar(-j * fH)); // Line up the canvas with this tile.
mpd.add(c, pic.get());
}
}
mpd.draw();
for (int j = 0; j < yTiles; j++) {
for (int i = 0; i < xTiles; i++) {
sk_sp<SkImage> image(surfaces[i+xTiles*j]->makeImageSnapshot());
canvas->drawImage(image, SkIntToScalar(i*fW), SkIntToScalar(j*fH));
}
}
return "";
});
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
ViaDDL::ViaDDL(int numReplays, int numDivisions, Sink* sink)
: Via(sink), fNumReplays(numReplays), fNumDivisions(numDivisions) {}
Error ViaDDL::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
auto size = src.size();
SkPictureRecorder recorder;
Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()),
SkIntToScalar(size.height())));
if (!err.isEmpty()) {
return err;
}
sk_sp<SkPicture> inputPicture(recorder.finishRecordingAsPicture());
// this is our ultimate final drawing area/rect
SkIRect viewport = SkIRect::MakeWH(size.fWidth, size.fHeight);
DDLPromiseImageHelper promiseImageHelper;
sk_sp<SkData> compressedPictureData = promiseImageHelper.deflateSKP(inputPicture.get());
if (!compressedPictureData) {
return SkStringPrintf("ViaDDL: Couldn't deflate SkPicture");
}
auto draw = [&](SkCanvas* canvas) -> Error {
GrContext* context = canvas->getGrContext();
if (!context || !context->priv().getGpu()) {
return SkStringPrintf("DDLs are GPU only");
}
// This is here bc this is the first point where we have access to the context
promiseImageHelper.uploadAllToGPU(context);
// We draw N times, with a clear between.
for (int replay = 0; replay < fNumReplays; ++replay) {
if (replay > 0) {
// Clear the drawing of the previous replay
canvas->clear(SK_ColorTRANSPARENT);
}
// First, create all the tiles (including their individual dest surfaces)
DDLTileHelper tiles(canvas, viewport, fNumDivisions);
// Second, reinflate the compressed picture individually for each thread
// This recreates the promise SkImages on each replay iteration. We are currently
// relying on this to test using a SkPromiseImageTexture to fulfill different
// SkImages. On each replay the promise SkImages are recreated in createSKPPerTile.
tiles.createSKPPerTile(compressedPictureData.get(), promiseImageHelper);
// Third, create the DDLs in parallel
tiles.createDDLsInParallel();
if (replay == fNumReplays - 1) {
// This drops the promiseImageHelper's refs on all the promise images if we're in
// the last run.
promiseImageHelper.reset();
}
// Fourth, synchronously render the display lists into the dest tiles
// TODO: it would be cool to not wait until all the tiles are drawn to begin
// drawing to the GPU and composing to the final surface
tiles.drawAllTilesAndFlush(context, false);
// Finally, compose the drawn tiles into the result
// Note: the separation between the tiles and the final composition better
// matches Chrome but costs us a copy
tiles.composeAllTiles(canvas);
context->flush();
}
return "";
};
return draw_to_canvas(fSink.get(), bitmap, stream, log, size, draw);
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
Error ViaPicture::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
auto size = src.size();
Error err = draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) {
SkPictureRecorder recorder;
sk_sp<SkPicture> pic;
Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()),
SkIntToScalar(size.height())));
if (!err.isEmpty()) {
return err;
}
pic = recorder.finishRecordingAsPicture();
canvas->drawPicture(pic);
return err;
});
if (!err.isEmpty()) {
return err;
}
return check_against_reference(bitmap, src, fSink.get());
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#ifdef TEST_VIA_SVG
#include "experimental/svg/model/SkSVGDOM.h"
#include "include/svg/SkSVGCanvas.h"
#include "src/xml/SkXMLWriter.h"
Error ViaSVG::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
auto size = src.size();
return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error {
SkDynamicMemoryWStream wstream;
SkXMLStreamWriter writer(&wstream);
Error err = src.draw(SkSVGCanvas::Make(SkRect::Make(size), &writer).get());
if (!err.isEmpty()) {
return err;
}
std::unique_ptr<SkStream> rstream(wstream.detachAsStream());
auto dom = SkSVGDOM::MakeFromStream(*rstream);
if (dom) {
dom->setContainerSize(SkSize::Make(size));
dom->render(canvas);
}
return "";
});
}
#endif
} // namespace DM
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