825bb95d6a
Review URL: https://codereview.appspot.com/6478046 git-svn-id: http://skia.googlecode.com/svn/trunk@5228 2bbb7eff-a529-9590-31e7-b0007b416f81
113 lines
4.3 KiB
C++
113 lines
4.3 KiB
C++
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/*
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* Copyright 2012 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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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "SkBitmap.h"
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#include "SkGpuDevice.h"
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#include "SkPixelRef.h"
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#include "SkRect.h"
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#include "Test.h"
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static const char* boolStr(bool value) {
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return value ? "true" : "false";
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}
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// these are in the same order as the SkBitmap::Config enum
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static const char* gConfigName[] = {
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"None", "4444", "8888"
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};
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struct Pair {
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SkBitmap::Config fConfig;
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const char* fValid;
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};
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// Stripped down version of TestBitmapCopy that checks basic fields (width, height, config, genID)
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// to ensure that they were copied properly.
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static void TestGpuBitmapCopy(skiatest::Reporter* reporter, GrContext* grContext) {
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if (NULL == grContext) {
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return;
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}
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static const Pair gPairs[] = {
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{ SkBitmap::kNo_Config, "000" },
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{ SkBitmap::kARGB_4444_Config, "011" },
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{ SkBitmap::kARGB_8888_Config, "011" },
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};
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const int W = 20;
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const int H = 33;
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for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
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for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
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SkBitmap src, dst;
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SkGpuDevice* device = SkNEW_ARGS(SkGpuDevice, (grContext, gPairs[i].fConfig, W, H));
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SkAutoUnref aur(device);
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src = device->accessBitmap(false);
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device->clear(SK_ColorWHITE);
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bool success = src.deepCopyTo(&dst, gPairs[j].fConfig);
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bool expected = gPairs[i].fValid[j] != '0';
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if (success != expected) {
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SkString str;
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str.printf("SkBitmap::deepCopyTo from %s to %s. expected %s returned %s",
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gConfigName[i], gConfigName[j], boolStr(expected),
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boolStr(success));
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reporter->reportFailed(str);
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}
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bool canSucceed = src.canCopyTo(gPairs[j].fConfig);
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if (success != canSucceed) {
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SkString str;
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str.printf("SkBitmap::deepCopyTo from %s to %s returned %s,"
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"but canCopyTo returned %s",
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gConfigName[i], gConfigName[j], boolStr(success),
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boolStr(canSucceed));
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reporter->reportFailed(str);
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}
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if (success) {
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REPORTER_ASSERT(reporter, src.width() == dst.width());
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REPORTER_ASSERT(reporter, src.height() == dst.height());
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REPORTER_ASSERT(reporter, dst.config() == gPairs[j].fConfig);
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if (src.config() == dst.config()) {
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REPORTER_ASSERT(reporter, src.getGenerationID() == dst.getGenerationID());
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// Do read backs and make sure that the two are the same.
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SkBitmap srcReadBack, dstReadBack;
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REPORTER_ASSERT(reporter, src.pixelRef() != NULL
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&& dst.pixelRef() != NULL);
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src.pixelRef()->readPixels(&srcReadBack);
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dst.pixelRef()->readPixels(&dstReadBack);
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SkAutoLockPixels srcLock(srcReadBack);
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SkAutoLockPixels dstLock(dstReadBack);
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REPORTER_ASSERT(reporter, srcReadBack.readyToDraw()
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&& dstReadBack.readyToDraw());
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const char* srcP = (const char*)srcReadBack.getAddr(0, 0);
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const char* dstP = (const char*)dstReadBack.getAddr(0, 0);
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REPORTER_ASSERT(reporter, srcP != dstP);
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REPORTER_ASSERT(reporter, !memcmp(srcP, dstP, srcReadBack.getSize()));
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} else {
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REPORTER_ASSERT(reporter, src.getGenerationID() != dst.getGenerationID());
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}
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} else {
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// dst should be unchanged from its initial state
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REPORTER_ASSERT(reporter, dst.config() == SkBitmap::kNo_Config);
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REPORTER_ASSERT(reporter, dst.width() == 0);
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REPORTER_ASSERT(reporter, dst.height() == 0);
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}
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} // for (size_t j = ...
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}
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}
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#include "TestClassDef.h"
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DEFINE_GPUTESTCLASS("GpuBitmapCopy", TestGpuBitmapCopyClass, TestGpuBitmapCopy)
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#endif
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