6f1216ac15
Does not try to cache calls to readPixels at the moment: - not triggered by drawing - not clear if we want to perform any pixel transformations (that readPixels allows) on the GPU or CPU Can consider that another time. BUG=513695 Review URL: https://codereview.chromium.org/1262923003
314 lines
12 KiB
C++
314 lines
12 KiB
C++
/*
|
|
* 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 "SkCanvas.h"
|
|
#include "SkData.h"
|
|
#include "SkDevice.h"
|
|
#include "SkImageEncoder.h"
|
|
#include "SkImage_Base.h"
|
|
#include "SkRRect.h"
|
|
#include "SkSurface.h"
|
|
#include "SkUtils.h"
|
|
#include "Test.h"
|
|
|
|
#if SK_SUPPORT_GPU
|
|
#include "GrContextFactory.h"
|
|
#include "GrTest.h"
|
|
#include "gl/GrGLInterface.h"
|
|
#include "gl/GrGLUtil.h"
|
|
#else
|
|
class GrContextFactory;
|
|
class GrContext;
|
|
#endif
|
|
|
|
static void assert_equal(skiatest::Reporter* reporter, SkImage* a, const SkIRect* subsetA,
|
|
SkImage* b) {
|
|
const int widthA = subsetA ? subsetA->width() : a->width();
|
|
const int heightA = subsetA ? subsetA->height() : a->height();
|
|
|
|
REPORTER_ASSERT(reporter, widthA == b->width());
|
|
REPORTER_ASSERT(reporter, heightA == b->height());
|
|
#if 0
|
|
// see skbug.com/3965
|
|
bool AO = a->isOpaque();
|
|
bool BO = b->isOpaque();
|
|
REPORTER_ASSERT(reporter, AO == BO);
|
|
#endif
|
|
|
|
SkImageInfo info = SkImageInfo::MakeN32(widthA, heightA,
|
|
a->isOpaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaType);
|
|
SkAutoPixmapStorage pmapA, pmapB;
|
|
pmapA.alloc(info);
|
|
pmapB.alloc(info);
|
|
|
|
const int srcX = subsetA ? subsetA->x() : 0;
|
|
const int srcY = subsetA ? subsetA->y() : 0;
|
|
|
|
REPORTER_ASSERT(reporter, a->readPixels(pmapA, srcX, srcY));
|
|
REPORTER_ASSERT(reporter, b->readPixels(pmapB, 0, 0));
|
|
|
|
const size_t widthBytes = widthA * info.bytesPerPixel();
|
|
for (int y = 0; y < heightA; ++y) {
|
|
REPORTER_ASSERT(reporter, !memcmp(pmapA.addr32(0, y), pmapB.addr32(0, y), widthBytes));
|
|
}
|
|
}
|
|
|
|
static SkImage* make_image(GrContext* ctx, int w, int h, const SkIRect& ir) {
|
|
const SkImageInfo info = SkImageInfo::MakeN32(w, h, kOpaque_SkAlphaType);
|
|
SkAutoTUnref<SkSurface> surface(ctx ?
|
|
SkSurface::NewRenderTarget(ctx, SkSurface::kNo_Budgeted, info) :
|
|
SkSurface::NewRaster(info));
|
|
SkCanvas* canvas = surface->getCanvas();
|
|
canvas->clear(SK_ColorWHITE);
|
|
|
|
SkPaint paint;
|
|
paint.setColor(SK_ColorBLACK);
|
|
canvas->drawRect(SkRect::Make(ir), paint);
|
|
return surface->newImageSnapshot();
|
|
}
|
|
|
|
static void test_encode(skiatest::Reporter* reporter, GrContext* ctx) {
|
|
const SkIRect ir = SkIRect::MakeXYWH(5, 5, 10, 10);
|
|
SkAutoTUnref<SkImage> orig(make_image(ctx, 20, 20, ir));
|
|
SkAutoTUnref<SkData> origEncoded(orig->encode());
|
|
REPORTER_ASSERT(reporter, origEncoded);
|
|
REPORTER_ASSERT(reporter, origEncoded->size() > 0);
|
|
|
|
SkAutoTUnref<SkImage> decoded(SkImage::NewFromEncoded(origEncoded));
|
|
REPORTER_ASSERT(reporter, decoded);
|
|
assert_equal(reporter, orig, NULL, decoded);
|
|
|
|
// Now see if we can instantiate an image from a subset of the surface/origEncoded
|
|
|
|
decoded.reset(SkImage::NewFromEncoded(origEncoded, &ir));
|
|
REPORTER_ASSERT(reporter, decoded);
|
|
assert_equal(reporter, orig, &ir, decoded);
|
|
}
|
|
|
|
DEF_TEST(Image_Encode_Cpu, reporter) {
|
|
test_encode(reporter, NULL);
|
|
}
|
|
|
|
#if SK_SUPPORT_GPU
|
|
DEF_GPUTEST(Image_Encode_Gpu, reporter, factory) {
|
|
GrContext* ctx = factory->get(GrContextFactory::kNative_GLContextType);
|
|
if (!ctx) {
|
|
REPORTER_ASSERT(reporter, false);
|
|
return;
|
|
}
|
|
test_encode(reporter, ctx);
|
|
}
|
|
#endif
|
|
|
|
DEF_TEST(Image_NewRasterCopy, reporter) {
|
|
const SkPMColor red = SkPackARGB32(0xFF, 0xFF, 0, 0);
|
|
const SkPMColor green = SkPackARGB32(0xFF, 0, 0xFF, 0);
|
|
const SkPMColor blue = SkPackARGB32(0xFF, 0, 0, 0xFF);
|
|
SkPMColor colors[] = { red, green, blue, 0 };
|
|
SkAutoTUnref<SkColorTable> ctable(SkNEW_ARGS(SkColorTable, (colors, SK_ARRAY_COUNT(colors))));
|
|
// The colortable made a copy, so we can trash the original colors
|
|
memset(colors, 0xFF, sizeof(colors));
|
|
|
|
const SkImageInfo srcInfo = SkImageInfo::Make(2, 2, kIndex_8_SkColorType, kPremul_SkAlphaType);
|
|
const size_t srcRowBytes = 2 * sizeof(uint8_t);
|
|
uint8_t indices[] = { 0, 1, 2, 3 };
|
|
SkAutoTUnref<SkImage> image(SkImage::NewRasterCopy(srcInfo, indices, srcRowBytes, ctable));
|
|
// The image made a copy, so we can trash the original indices
|
|
memset(indices, 0xFF, sizeof(indices));
|
|
|
|
const SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(2, 2);
|
|
const size_t dstRowBytes = 2 * sizeof(SkPMColor);
|
|
SkPMColor pixels[4];
|
|
memset(pixels, 0xFF, sizeof(pixels)); // init with values we don't expect
|
|
image->readPixels(dstInfo, pixels, dstRowBytes, 0, 0);
|
|
REPORTER_ASSERT(reporter, red == pixels[0]);
|
|
REPORTER_ASSERT(reporter, green == pixels[1]);
|
|
REPORTER_ASSERT(reporter, blue == pixels[2]);
|
|
REPORTER_ASSERT(reporter, 0 == pixels[3]);
|
|
}
|
|
|
|
// Test that a draw that only partially covers the drawing surface isn't
|
|
// interpreted as covering the entire drawing surface (i.e., exercise one of the
|
|
// conditions of SkCanvas::wouldOverwriteEntireSurface()).
|
|
DEF_TEST(Image_RetainSnapshot, reporter) {
|
|
const SkPMColor red = SkPackARGB32(0xFF, 0xFF, 0, 0);
|
|
const SkPMColor green = SkPackARGB32(0xFF, 0, 0xFF, 0);
|
|
SkImageInfo info = SkImageInfo::MakeN32Premul(2, 2);
|
|
SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info));
|
|
surface->getCanvas()->clear(0xFF00FF00);
|
|
|
|
SkPMColor pixels[4];
|
|
memset(pixels, 0xFF, sizeof(pixels)); // init with values we don't expect
|
|
const SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(2, 2);
|
|
const size_t dstRowBytes = 2 * sizeof(SkPMColor);
|
|
|
|
SkAutoTUnref<SkImage> image1(surface->newImageSnapshot());
|
|
REPORTER_ASSERT(reporter, image1->readPixels(dstInfo, pixels, dstRowBytes, 0, 0));
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(pixels); ++i) {
|
|
REPORTER_ASSERT(reporter, pixels[i] == green);
|
|
}
|
|
|
|
SkPaint paint;
|
|
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
|
|
paint.setColor(SK_ColorRED);
|
|
|
|
surface->getCanvas()->drawRect(SkRect::MakeXYWH(1, 1, 1, 1), paint);
|
|
|
|
SkAutoTUnref<SkImage> image2(surface->newImageSnapshot());
|
|
REPORTER_ASSERT(reporter, image2->readPixels(dstInfo, pixels, dstRowBytes, 0, 0));
|
|
REPORTER_ASSERT(reporter, pixels[0] == green);
|
|
REPORTER_ASSERT(reporter, pixels[1] == green);
|
|
REPORTER_ASSERT(reporter, pixels[2] == green);
|
|
REPORTER_ASSERT(reporter, pixels[3] == red);
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////
|
|
#include "SkImageGenerator.h"
|
|
#include "SkData.h"
|
|
|
|
const uint8_t tiny_png[] = {
|
|
0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d,
|
|
0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x64,
|
|
0x08, 0x06, 0x00, 0x00, 0x00, 0x70, 0xe2, 0x95, 0x54, 0x00, 0x00, 0x00,
|
|
0x01, 0x73, 0x52, 0x47, 0x42, 0x00, 0xae, 0xce, 0x1c, 0xe9, 0x00, 0x00,
|
|
0x01, 0x6b, 0x49, 0x44, 0x41, 0x54, 0x78, 0x01, 0xed, 0xd3, 0x41, 0x11,
|
|
0x00, 0x20, 0x0c, 0xc4, 0x40, 0xc0, 0xbf, 0xe7, 0xc2, 0xa0, 0x22, 0x8f,
|
|
0xad, 0x82, 0x4c, 0xd2, 0xdb, 0xf3, 0x6e, 0xb9, 0x8c, 0x81, 0x93, 0x21,
|
|
0x01, 0xf2, 0x0d, 0x08, 0x12, 0x7b, 0x04, 0x41, 0x04, 0x89, 0x19, 0x88,
|
|
0xe1, 0x58, 0x88, 0x20, 0x31, 0x03, 0x31, 0x1c, 0x0b, 0x11, 0x24, 0x66,
|
|
0x20, 0x86, 0x63, 0x21, 0x82, 0xc4, 0x0c, 0xc4, 0x70, 0x2c, 0x44, 0x90,
|
|
0x98, 0x81, 0x18, 0x8e, 0x85, 0x08, 0x12, 0x33, 0x10, 0xc3, 0xb1, 0x10,
|
|
0x41, 0x62, 0x06, 0x62, 0x38, 0x16, 0x22, 0x48, 0xcc, 0x40, 0x0c, 0xc7,
|
|
0x42, 0x04, 0x89, 0x19, 0x88, 0xe1, 0x58, 0x88, 0x20, 0x31, 0x03, 0x31,
|
|
0x1c, 0x0b, 0x11, 0x24, 0x66, 0x20, 0x86, 0x63, 0x21, 0x82, 0xc4, 0x0c,
|
|
0xc4, 0x70, 0x2c, 0x44, 0x90, 0x98, 0x81, 0x18, 0x8e, 0x85, 0x08, 0x12,
|
|
0x33, 0x10, 0xc3, 0xb1, 0x10, 0x41, 0x62, 0x06, 0x62, 0x38, 0x16, 0x22,
|
|
0x48, 0xcc, 0x40, 0x0c, 0xc7, 0x42, 0x04, 0x89, 0x19, 0x88, 0xe1, 0x58,
|
|
0x88, 0x20, 0x31, 0x03, 0x31, 0x1c, 0x0b, 0x11, 0x24, 0x66, 0x20, 0x86,
|
|
0x63, 0x21, 0x82, 0xc4, 0x0c, 0xc4, 0x70, 0x2c, 0x44, 0x90, 0x98, 0x81,
|
|
0x18, 0x8e, 0x85, 0x08, 0x12, 0x33, 0x10, 0xc3, 0xb1, 0x10, 0x41, 0x62,
|
|
0x06, 0x62, 0x38, 0x16, 0x22, 0x48, 0xcc, 0x40, 0x0c, 0xc7, 0x42, 0x04,
|
|
0x89, 0x19, 0x88, 0xe1, 0x58, 0x88, 0x20, 0x31, 0x03, 0x31, 0x1c, 0x0b,
|
|
0x11, 0x24, 0x66, 0x20, 0x86, 0x63, 0x21, 0x82, 0xc4, 0x0c, 0xc4, 0x70,
|
|
0x2c, 0x44, 0x90, 0x98, 0x81, 0x18, 0x8e, 0x85, 0x08, 0x12, 0x33, 0x10,
|
|
0xc3, 0xb1, 0x10, 0x41, 0x62, 0x06, 0x62, 0x38, 0x16, 0x22, 0x48, 0xcc,
|
|
0x40, 0x0c, 0xc7, 0x42, 0x04, 0x89, 0x19, 0x88, 0xe1, 0x58, 0x88, 0x20,
|
|
0x31, 0x03, 0x31, 0x1c, 0x0b, 0x11, 0x24, 0x66, 0x20, 0x86, 0x63, 0x21,
|
|
0x82, 0xc4, 0x0c, 0xc4, 0x70, 0x2c, 0x44, 0x90, 0x98, 0x81, 0x18, 0x8e,
|
|
0x85, 0x08, 0x12, 0x33, 0x10, 0xc3, 0xb1, 0x10, 0x41, 0x62, 0x06, 0x62,
|
|
0x38, 0x16, 0x22, 0x48, 0xcc, 0x40, 0x0c, 0xc7, 0x42, 0x04, 0x89, 0x19,
|
|
0x88, 0xe1, 0x58, 0x88, 0x20, 0x31, 0x03, 0x31, 0x1c, 0x0b, 0x11, 0x24,
|
|
0x66, 0x20, 0x86, 0x63, 0x21, 0x82, 0xc4, 0x0c, 0xc4, 0x70, 0x2c, 0x44,
|
|
0x90, 0x98, 0x81, 0x18, 0x8e, 0x85, 0x08, 0x12, 0x33, 0x10, 0xc3, 0xb1,
|
|
0x10, 0x41, 0x62, 0x06, 0x62, 0x38, 0x16, 0x22, 0x48, 0xcc, 0x40, 0x0c,
|
|
0xc7, 0x42, 0x62, 0x41, 0x2e, 0x08, 0x60, 0x04, 0xc4, 0x4c, 0x5d, 0x6e,
|
|
0xf2, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60,
|
|
0x82
|
|
};
|
|
|
|
static void make_bitmap_lazy(SkBitmap* bm) {
|
|
SkAutoTUnref<SkData> data(SkData::NewWithoutCopy(tiny_png, sizeof(tiny_png)));
|
|
SkInstallDiscardablePixelRef(data, bm);
|
|
}
|
|
|
|
static void make_bitmap_mutable(SkBitmap* bm) {
|
|
bm->allocN32Pixels(10, 10);
|
|
}
|
|
|
|
static void make_bitmap_immutable(SkBitmap* bm) {
|
|
bm->allocN32Pixels(10, 10);
|
|
bm->setImmutable();
|
|
}
|
|
|
|
DEF_TEST(image_newfrombitmap, reporter) {
|
|
const struct {
|
|
void (*fMakeProc)(SkBitmap*);
|
|
bool fExpectPeekSuccess;
|
|
bool fExpectSharedID;
|
|
} rec[] = {
|
|
{ make_bitmap_lazy, false, true },
|
|
{ make_bitmap_mutable, true, false },
|
|
{ make_bitmap_immutable, true, true },
|
|
};
|
|
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(rec); ++i) {
|
|
SkBitmap bm;
|
|
rec[i].fMakeProc(&bm);
|
|
|
|
SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bm));
|
|
SkPixmap pmap;
|
|
|
|
const bool sharedID = (image->uniqueID() == bm.getGenerationID());
|
|
REPORTER_ASSERT(reporter, sharedID == rec[i].fExpectSharedID);
|
|
|
|
const bool peekSuccess = image->peekPixels(&pmap);
|
|
REPORTER_ASSERT(reporter, peekSuccess == rec[i].fExpectPeekSuccess);
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
#if SK_SUPPORT_GPU
|
|
|
|
static SkImage* make_gpu_image(GrContext* ctx, const SkImageInfo& info, SkColor color) {
|
|
const SkSurface::Budgeted budgeted = SkSurface::kNo_Budgeted;
|
|
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(ctx, budgeted, info, 0));
|
|
surface->getCanvas()->drawColor(color);
|
|
return surface->newImageSnapshot();
|
|
}
|
|
|
|
#include "SkBitmapCache.h"
|
|
|
|
/*
|
|
* This tests the caching (and preemptive purge) of the raster equivalent of a gpu-image.
|
|
* We cache it for performance when drawing into a raster surface.
|
|
*
|
|
* A cleaner test would know if each drawImage call triggered a read-back from the gpu,
|
|
* but we don't have that facility (at the moment) so we use a little internal knowledge
|
|
* of *how* the raster version is cached, and look for that.
|
|
*/
|
|
DEF_GPUTEST(SkImage_Gpu2Cpu, reporter, factory) {
|
|
GrContext* ctx = factory->get(GrContextFactory::kNative_GLContextType);
|
|
if (!ctx) {
|
|
REPORTER_ASSERT(reporter, false);
|
|
return;
|
|
}
|
|
|
|
const SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10);
|
|
SkAutoTUnref<SkImage> image(make_gpu_image(ctx, info, SK_ColorRED));
|
|
const uint32_t uniqueID = image->uniqueID();
|
|
|
|
SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info));
|
|
|
|
// now we can test drawing a gpu-backed image into a cpu-backed surface
|
|
|
|
{
|
|
SkBitmap cachedBitmap;
|
|
REPORTER_ASSERT(reporter, !SkBitmapCache::Find(uniqueID, &cachedBitmap));
|
|
}
|
|
|
|
surface->getCanvas()->drawImage(image, 0, 0);
|
|
{
|
|
SkBitmap cachedBitmap;
|
|
if (SkBitmapCache::Find(uniqueID, &cachedBitmap)) {
|
|
REPORTER_ASSERT(reporter, cachedBitmap.getGenerationID() == uniqueID);
|
|
REPORTER_ASSERT(reporter, cachedBitmap.isImmutable());
|
|
REPORTER_ASSERT(reporter, cachedBitmap.getPixels());
|
|
} else {
|
|
// unexpected, but not really a bug, since the cache is global and this test may be
|
|
// run w/ other threads competing for its budget.
|
|
SkDebugf("SkImage_Gpu2Cpu : cachedBitmap was already purged\n");
|
|
}
|
|
}
|
|
|
|
image.reset(nullptr);
|
|
{
|
|
SkBitmap cachedBitmap;
|
|
REPORTER_ASSERT(reporter, !SkBitmapCache::Find(uniqueID, &cachedBitmap));
|
|
}
|
|
}
|
|
#endif
|