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400 lines
14 KiB
400 lines
14 KiB
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* This test confirms that a MultiPictureDocument can be serialized and deserailzied without error.
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* And that the pictures within it are re-created accurately
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*/
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColorPriv.h"
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#include "include/core/SkColorSpace.h"
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#include "include/core/SkDocument.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkImage.h"
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#include "include/core/SkPicture.h"
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#include "include/core/SkPictureRecorder.h"
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#include "include/core/SkString.h"
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#include "include/core/SkSurface.h"
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#include "include/core/SkTextBlob.h"
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#include "src/gpu/GrCaps.h"
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#include "src/utils/SkMultiPictureDocument.h"
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#include "tests/Test.h"
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#include "tools/SkSharingProc.h"
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#include "tools/ToolUtils.h"
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// Covers rects, ovals, paths, images, text
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static void draw_basic(SkCanvas* canvas, int seed, sk_sp<SkImage> image) {
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canvas->drawColor(SK_ColorWHITE);
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(seed);
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paint.setColor(SK_ColorRED);
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SkRect rect = SkRect::MakeXYWH(50+seed, 50+seed, 4*seed, 60);
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canvas->drawRect(rect, paint);
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SkRRect oval;
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oval.setOval(rect);
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oval.offset(40, 60+seed);
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paint.setColor(SK_ColorBLUE);
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canvas->drawRRect(oval, paint);
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paint.setColor(SK_ColorCYAN);
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canvas->drawCircle(180, 50, 5*seed, paint);
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rect.offset(80, 0);
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paint.setColor(SK_ColorYELLOW);
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canvas->drawRoundRect(rect, 10, 10, paint);
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SkPath path;
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path.cubicTo(768, 0, -512, 256, 256, 256);
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paint.setColor(SK_ColorGREEN);
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canvas->drawPath(path, paint);
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canvas->drawImage(image, 128-seed, 128, SkSamplingOptions(), &paint);
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if (seed % 2 == 0) {
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SkRect rect2 = SkRect::MakeXYWH(0, 0, 40, 60);
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canvas->drawImageRect(image, rect2, SkSamplingOptions(), &paint);
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}
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SkPaint paint2;
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auto text = SkTextBlob::MakeFromString(
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SkStringPrintf("Frame %d", seed).c_str(), SkFont(nullptr, 2+seed));
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canvas->drawTextBlob(text.get(), 50, 25, paint2);
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}
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// Covers all of the above and drawing nested sub-pictures.
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static void draw_advanced(SkCanvas* canvas, int seed, sk_sp<SkImage> image, sk_sp<SkPicture> sub) {
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draw_basic(canvas, seed, image);
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// Use subpicture twice in different places
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canvas->drawPicture(sub);
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canvas->save();
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canvas->translate(seed, seed);
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canvas->drawPicture(sub);
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canvas->restore();
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}
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// Test serialization and deserialization of multi picture document
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DEF_TEST(SkMultiPictureDocument_Serialize_and_deserialize, reporter) {
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// Create the stream we will serialize into.
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SkDynamicMemoryWStream stream;
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// Create the image sharing proc.
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SkSharingSerialContext ctx;
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SkSerialProcs procs;
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procs.fImageProc = SkSharingSerialContext::serializeImage;
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procs.fImageCtx = &ctx;
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// Create the multi picture document used for recording frames.
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sk_sp<SkDocument> multipic = SkMakeMultiPictureDocument(&stream, &procs);
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static const int NUM_FRAMES = 12;
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static const int WIDTH = 256;
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static const int HEIGHT = 256;
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// Make an image to be used in a later step.
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auto surface(SkSurface::MakeRasterN32Premul(100, 100));
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surface->getCanvas()->clear(SK_ColorGREEN);
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sk_sp<SkImage> image(surface->makeImageSnapshot());
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REPORTER_ASSERT(reporter, image);
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// Make a subpicture to be used in a later step
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SkPictureRecorder pr;
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SkCanvas* subCanvas = pr.beginRecording(100, 100);
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draw_basic(subCanvas, 42, image);
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sk_sp<SkPicture> sub = pr.finishRecordingAsPicture();
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const SkImageInfo info = SkImageInfo::MakeN32Premul(WIDTH, HEIGHT);
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std::vector<sk_sp<SkImage>> expectedImages;
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for (int i=0; i<NUM_FRAMES; i++) {
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SkCanvas* pictureCanvas = multipic->beginPage(WIDTH, HEIGHT);
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draw_advanced(pictureCanvas, i, image, sub);
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multipic->endPage();
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// Also draw the picture to an image for later comparison
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auto surf = SkSurface::MakeRaster(info);
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draw_advanced(surf->getCanvas(), i, image, sub);
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expectedImages.push_back(surf->makeImageSnapshot());
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}
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// Finalize
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multipic->close();
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// Confirm written data is at least as large as the magic word
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std::unique_ptr<SkStreamAsset> writtenStream = stream.detachAsStream();
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REPORTER_ASSERT(reporter, writtenStream->getLength() > 24,
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"Written data length too short (%zu)", writtenStream->getLength());
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// SkDebugf("Multi Frame file size = %zu\n", writtenStream->getLength());
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// Set up deserialization
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SkSharingDeserialContext deserialContext;
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SkDeserialProcs dprocs;
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dprocs.fImageProc = SkSharingDeserialContext::deserializeImage;
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dprocs.fImageCtx = &deserialContext;
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// Confirm data is a MultiPictureDocument
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int frame_count = SkMultiPictureDocumentReadPageCount(writtenStream.get());
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REPORTER_ASSERT(reporter, frame_count == NUM_FRAMES,
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"Expected %d frames, got %d. \n 0 frames may indicate the written file was not a "
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"MultiPictureDocument.", NUM_FRAMES, frame_count);
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// Deserailize
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std::vector<SkDocumentPage> frames(frame_count);
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REPORTER_ASSERT(reporter,
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SkMultiPictureDocumentRead(writtenStream.get(), frames.data(), frame_count, &dprocs),
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"Failed while reading MultiPictureDocument");
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// Examine each frame.
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int i=0;
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for (const auto& frame : frames) {
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SkRect bounds = frame.fPicture->cullRect();
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REPORTER_ASSERT(reporter, bounds.width() == WIDTH,
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"Page width: expected (%d) got (%d)", WIDTH, (int)bounds.width());
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REPORTER_ASSERT(reporter, bounds.height() == HEIGHT,
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"Page height: expected (%d) got (%d)", HEIGHT, (int)bounds.height());
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auto surf = SkSurface::MakeRaster(info);
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surf->getCanvas()->drawPicture(frame.fPicture);
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auto img = surf->makeImageSnapshot();
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REPORTER_ASSERT(reporter, ToolUtils::equal_pixels(img.get(), expectedImages[i].get()));
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i++;
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}
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}
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#if SK_SUPPORT_GPU && defined(SK_BUILD_FOR_ANDROID) && __ANDROID_API__ >= 26
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#include "include/gpu/GrDirectContext.h"
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#include "src/gpu/GrAHardwareBufferUtils.h"
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#include "src/gpu/GrDirectContextPriv.h"
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#include <android/hardware_buffer.h>
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static const int DEV_W = 16, DEV_H = 16;
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static SkPMColor get_src_color(int x, int y) {
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SkASSERT(x >= 0 && x < DEV_W);
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SkASSERT(y >= 0 && y < DEV_H);
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U8CPU r = x;
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U8CPU g = y;
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U8CPU b = 0xc;
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U8CPU a = 0xff;
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switch ((x+y) % 5) {
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case 0:
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a = 0xff;
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break;
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case 1:
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a = 0x80;
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break;
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case 2:
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a = 0xCC;
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break;
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case 4:
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a = 0x01;
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break;
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case 3:
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a = 0x00;
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break;
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}
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a = 0xff;
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return SkPremultiplyARGBInline(a, r, g, b);
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}
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static SkBitmap make_src_bitmap() {
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static SkBitmap bmp;
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if (bmp.isNull()) {
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bmp.allocN32Pixels(DEV_W, DEV_H);
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intptr_t pixels = reinterpret_cast<intptr_t>(bmp.getPixels());
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for (int y = 0; y < DEV_H; ++y) {
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for (int x = 0; x < DEV_W; ++x) {
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SkPMColor* pixel = reinterpret_cast<SkPMColor*>(
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pixels + y * bmp.rowBytes() + x * bmp.bytesPerPixel());
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*pixel = get_src_color(x, y);
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}
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}
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}
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return bmp;
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}
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static void cleanup_resources(AHardwareBuffer* buffer) {
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if (buffer) {
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AHardwareBuffer_release(buffer);
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}
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}
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static sk_sp<SkImage> makeAHardwareBufferTestImage(
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skiatest::Reporter* reporter, GrDirectContext* context, AHardwareBuffer* buffer) {
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const SkBitmap srcBitmap = make_src_bitmap();
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AHardwareBuffer_Desc hwbDesc;
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hwbDesc.width = DEV_W;
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hwbDesc.height = DEV_H;
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hwbDesc.layers = 1;
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hwbDesc.usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
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AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN |
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AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
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hwbDesc.format = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
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// The following three are not used in the allocate
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hwbDesc.stride = 0;
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hwbDesc.rfu0= 0;
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hwbDesc.rfu1= 0;
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if (int error = AHardwareBuffer_allocate(&hwbDesc, &buffer)) {
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ERRORF(reporter, "Failed to allocated hardware buffer, error: %d", error);
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cleanup_resources(buffer);
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return nullptr;
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}
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// Get actual desc for allocated buffer so we know the stride for uploading cpu data.
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AHardwareBuffer_describe(buffer, &hwbDesc);
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void* bufferAddr;
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if (AHardwareBuffer_lock(buffer, AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN, -1, nullptr,
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&bufferAddr)) {
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ERRORF(reporter, "Failed to lock hardware buffer");
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cleanup_resources(buffer);
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return nullptr;
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}
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// fill buffer
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int bbp = srcBitmap.bytesPerPixel();
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uint32_t* src = (uint32_t*)srcBitmap.getPixels();
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int nextLineStep = DEV_W;
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uint32_t* dst = static_cast<uint32_t*>(bufferAddr);
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for (int y = 0; y < DEV_H; ++y) {
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memcpy(dst, src, DEV_W * bbp);
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src += nextLineStep;
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dst += hwbDesc.stride;
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}
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AHardwareBuffer_unlock(buffer, nullptr);
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// Make SkImage from buffer in a way that mimics libs/hwui/AutoBackendTextureRelease
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GrBackendFormat backendFormat =
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GrAHardwareBufferUtils::GetBackendFormat(context, buffer, hwbDesc.format, false);
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GrAHardwareBufferUtils::DeleteImageProc deleteProc;
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GrAHardwareBufferUtils::UpdateImageProc updateProc;
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GrAHardwareBufferUtils::TexImageCtx imageCtx;
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GrBackendTexture texture = GrAHardwareBufferUtils::MakeBackendTexture(
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context, buffer, hwbDesc.width, hwbDesc.height,
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&deleteProc, // set by MakeBackendTexture
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&updateProc, // set by MakeBackendTexture
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&imageCtx, // set by MakeBackendTexture
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false, // don't make protected image
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backendFormat,
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false // isRenderable
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);
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SkColorType colorType = GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(hwbDesc.format);
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sk_sp<SkImage> image = SkImage::MakeFromTexture(
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context, texture, kTopLeft_GrSurfaceOrigin, colorType, kPremul_SkAlphaType,
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SkColorSpace::MakeSRGB(),
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nullptr, // no release proc
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nullptr // context for release proc
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);
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REPORTER_ASSERT(reporter, image);
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REPORTER_ASSERT(reporter, image->isTextureBacked());
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return image;
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}
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// Test the onEndPage callback's intended use by processing an mskp containing AHardwareBuffer-backed SkImages
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// Expected behavior is that the callback is called while the AHardwareBuffer is still valid and the
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// images are copied so .close() can still access them.
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// Confirm deserialized file contains images with correct data.
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkMultiPictureDocument_AHardwarebuffer,
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reporter, ctx_info) {
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auto context = ctx_info.directContext();
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if (!context->priv().caps()->supportsAHardwareBufferImages()) {
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return;
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}
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// Create the stream we will serialize into.
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SkDynamicMemoryWStream stream;
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// Create the image sharing proc.
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SkSharingSerialContext ctx;
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SkSerialProcs procs;
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procs.fImageProc = SkSharingSerialContext::serializeImage;
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procs.fImageCtx = &ctx;
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// Create the multi picture document used for recording frames.
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// Pass a lambda as the onEndPage callback that captures our sharing context
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sk_sp<SkDocument> multipic = SkMakeMultiPictureDocument(&stream, &procs,
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[sharingCtx = &ctx](const SkPicture* pic) {
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SkSharingSerialContext::collectNonTextureImagesFromPicture(pic, sharingCtx);
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});
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static const int WIDTH = 256;
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static const int HEIGHT = 256;
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// Make an image to be used in a later step.
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AHardwareBuffer* ahbuffer = nullptr;
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sk_sp<SkImage> image = makeAHardwareBufferTestImage(reporter, context, ahbuffer);
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const SkImageInfo info = SkImageInfo::MakeN32Premul(WIDTH, HEIGHT);
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std::vector<sk_sp<SkImage>> expectedImages;
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// Record single frame
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SkCanvas* pictureCanvas = multipic->beginPage(WIDTH, HEIGHT);
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draw_basic(pictureCanvas, 0, image);
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multipic->endPage();
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// Also draw the picture to an image for later comparison
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auto surf = SkSurface::MakeRaster(info);
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draw_basic(surf->getCanvas(), 0, image);
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expectedImages.push_back(surf->makeImageSnapshot());
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// Release Ahardwarebuffer. If the code under test has not copied it already,
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// close() will fail.
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// Note that this only works because we're doing one frame only. If this test were recording
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// two or more frames, it would have change the buffer contents instead.
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cleanup_resources(ahbuffer);
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// Finalize
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multipic->close();
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// Confirm written data is at least as large as the magic word
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std::unique_ptr<SkStreamAsset> writtenStream = stream.detachAsStream();
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REPORTER_ASSERT(reporter, writtenStream->getLength() > 24,
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"Written data length too short (%zu)", writtenStream->getLength());
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// Set up deserialization
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SkSharingDeserialContext deserialContext;
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SkDeserialProcs dprocs;
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dprocs.fImageProc = SkSharingDeserialContext::deserializeImage;
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dprocs.fImageCtx = &deserialContext;
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// Confirm data is a MultiPictureDocument
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int frame_count = SkMultiPictureDocumentReadPageCount(writtenStream.get());
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REPORTER_ASSERT(reporter, frame_count == 1,
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"Expected 1 frame, got %d. \n 0 frames may indicate the written file was not a "
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"MultiPictureDocument.", frame_count);
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// Deserialize
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std::vector<SkDocumentPage> frames(frame_count);
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REPORTER_ASSERT(reporter,
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SkMultiPictureDocumentRead(writtenStream.get(), frames.data(), frame_count, &dprocs),
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"Failed while reading MultiPictureDocument");
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// Examine frame.
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SkRect bounds = frames[0].fPicture->cullRect();
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REPORTER_ASSERT(reporter, bounds.width() == WIDTH,
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"Page width: expected (%d) got (%d)", WIDTH, (int)bounds.width());
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REPORTER_ASSERT(reporter, bounds.height() == HEIGHT,
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"Page height: expected (%d) got (%d)", HEIGHT, (int)bounds.height());
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auto surf2 = SkSurface::MakeRaster(info);
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surf2->getCanvas()->drawPicture(frames[0].fPicture);
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auto img = surf2->makeImageSnapshot();
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REPORTER_ASSERT(reporter, ToolUtils::equal_pixels(img.get(), expectedImages[0].get()));
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}
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#endif // android compilation
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