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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "SkBitmap.h"
#include "SkGpuDevice.h"
#include "SkPixelRef.h"
#include "SkRect.h"
#include "Test.h"
static const char* boolStr(bool value) {
return value ? "true" : "false";
}
// these are in the same order as the SkBitmap::Config enum
static const char* gConfigName[] = {
"None", "4444", "8888"
};
struct Pair {
SkBitmap::Config fConfig;
const char* fValid;
};
// Stripped down version of TestBitmapCopy that checks basic fields (width, height, config, genID)
// to ensure that they were copied properly.
static void TestGpuBitmapCopy(skiatest::Reporter* reporter, GrContext* grContext) {
if (NULL == grContext) {
return;
}
static const Pair gPairs[] = {
{ SkBitmap::kNo_Config, "000" },
{ SkBitmap::kARGB_4444_Config, "011" },
{ SkBitmap::kARGB_8888_Config, "011" },
};
const int W = 20;
const int H = 33;
for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
SkBitmap src, dst;
SkGpuDevice* device = SkNEW_ARGS(SkGpuDevice, (grContext, gPairs[i].fConfig, W, H));
SkAutoUnref aur(device);
src = device->accessBitmap(false);
device->clear(SK_ColorWHITE);
bool success = src.deepCopyTo(&dst, gPairs[j].fConfig);
bool expected = gPairs[i].fValid[j] != '0';
if (success != expected) {
SkString str;
str.printf("SkBitmap::deepCopyTo from %s to %s. expected %s returned %s",
gConfigName[i], gConfigName[j], boolStr(expected),
boolStr(success));
reporter->reportFailed(str);
}
bool canSucceed = src.canCopyTo(gPairs[j].fConfig);
if (success != canSucceed) {
SkString str;
str.printf("SkBitmap::deepCopyTo from %s to %s returned %s,"
"but canCopyTo returned %s",
gConfigName[i], gConfigName[j], boolStr(success),
boolStr(canSucceed));
reporter->reportFailed(str);
}
if (success) {
REPORTER_ASSERT(reporter, src.width() == dst.width());
REPORTER_ASSERT(reporter, src.height() == dst.height());
REPORTER_ASSERT(reporter, dst.config() == gPairs[j].fConfig);
if (src.config() == dst.config()) {
REPORTER_ASSERT(reporter, src.getGenerationID() == dst.getGenerationID());
// Do read backs and make sure that the two are the same.
SkBitmap srcReadBack, dstReadBack;
REPORTER_ASSERT(reporter, src.pixelRef() != NULL
&& dst.pixelRef() != NULL);
src.pixelRef()->readPixels(&srcReadBack);
dst.pixelRef()->readPixels(&dstReadBack);
SkAutoLockPixels srcLock(srcReadBack);
SkAutoLockPixels dstLock(dstReadBack);
REPORTER_ASSERT(reporter, srcReadBack.readyToDraw()
&& dstReadBack.readyToDraw());
const char* srcP = (const char*)srcReadBack.getAddr(0, 0);
const char* dstP = (const char*)dstReadBack.getAddr(0, 0);
REPORTER_ASSERT(reporter, srcP != dstP);
REPORTER_ASSERT(reporter, !memcmp(srcP, dstP, srcReadBack.getSize()));
} else {
REPORTER_ASSERT(reporter, src.getGenerationID() != dst.getGenerationID());
}
} else {
// dst should be unchanged from its initial state
REPORTER_ASSERT(reporter, dst.config() == SkBitmap::kNo_Config);
REPORTER_ASSERT(reporter, dst.width() == 0);
REPORTER_ASSERT(reporter, dst.height() == 0);
}
} // for (size_t j = ...
}
}
#include "TestClassDef.h"
DEFINE_GPUTESTCLASS("GpuBitmapCopy", TestGpuBitmapCopyClass, TestGpuBitmapCopy)
#endif
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