remove SK_SUPPORT_DEEPCOPYTO_CONFIG code -- no longer used

tests/GpuBitmapCopyTest.cpp

-
-/*
- * 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 "GrContextFactory.h"
-#include "SkBitmap.h"
-#include "SkCanvas.h"
-#include "SkColor.h"
-#include "SkGpuDevice.h"
-#include "SkPaint.h"
-#include "SkPixelRef.h"
-#include "SkRect.h"
-#include "Test.h"
-
-struct Pair {
-    SkColorType fColorType;
-    const char* fValid;
-};
-
-#ifdef SK_SUPPORT_DEEPCOPYTO_CONFIG
-static const char* boolStr(bool value) {
-    return value ? "true" : "false";
-}
-
-// these are in the same order as the SkBitmap::Config enum
-static const char* gColorTypeName[] = {
-    "None", "8888"
-};
-
-/**
- *  Check to ensure that copying a GPU-backed SkBitmap behaved as expected.
- *  @param reporter Used to report failures.
- *  @param desiredCT colorType being copied to. If the copy succeeded, dst must have this Config.
- *  @param success True if the copy succeeded.
- *  @param src A GPU-backed SkBitmap that had copyTo or deepCopyTo called on it.
- *  @param dst SkBitmap that was copied to.
- *  @param expectSameGenID Whether the genIDs should be the same if success is true.
- */
-static void TestIndividualCopy(skiatest::Reporter* reporter, const SkColorType desiredCT,
-                               const bool success, const SkBitmap& src, const SkBitmap& dst,
-                               const bool expectSameGenID) {
-    if (success) {
-        REPORTER_ASSERT(reporter, src.width() == dst.width());
-        REPORTER_ASSERT(reporter, src.height() == dst.height());
-        REPORTER_ASSERT(reporter, dst.colorType() == desiredCT);
-        if (src.config() == dst.config()) {
-            if (expectSameGenID) {
-                REPORTER_ASSERT(reporter, src.getGenerationID() == dst.getGenerationID());
-            } else {
-                REPORTER_ASSERT(reporter, src.getGenerationID() != dst.getGenerationID());
-            }
-            REPORTER_ASSERT(reporter, src.pixelRef() != NULL && dst.pixelRef() != NULL);
-
-            // Do read backs and make sure that the two are the same.
-            SkBitmap srcReadBack, dstReadBack;
-            {
-                SkASSERT(src.getTexture() != NULL);
-                const SkIPoint origin = src.pixelRefOrigin();
-                const SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY,
-                                                         src.width(), src.height());
-                bool readBack = src.pixelRef()->readPixels(&srcReadBack, &subset);
-                REPORTER_ASSERT(reporter, readBack);
-            }
-            if (dst.getTexture() != NULL) {
-                const SkIPoint origin = dst.pixelRefOrigin();
-                const SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY,
-                                                         dst.width(), dst.height());
-                bool readBack = dst.pixelRef()->readPixels(&dstReadBack, &subset);
-                REPORTER_ASSERT(reporter, readBack);
-            } else {
-                // If dst is not a texture, do a copy instead, to the same config as srcReadBack.
-                bool copy = dst.copyTo(&dstReadBack, srcReadBack.colorType());
-                REPORTER_ASSERT(reporter, copy);
-            }
-
-            SkAutoLockPixels srcLock(srcReadBack);
-            SkAutoLockPixels dstLock(dstReadBack);
-            REPORTER_ASSERT(reporter, srcReadBack.readyToDraw() && dstReadBack.readyToDraw());
-
-            const char* srcP = static_cast<const char*>(srcReadBack.getAddr(0, 0));
-            const char* dstP = static_cast<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);
-    }
-
-}
-#endif
-
-// Stripped down version of TestBitmapCopy that checks basic fields (width, height, config, genID)
-// to ensure that they were copied properly.
-DEF_GPUTEST(GpuBitmapCopy, reporter, factory) {
-#ifdef SK_BUILD_FOR_ANDROID // https://code.google.com/p/skia/issues/detail?id=753
-    return;
-#endif
-    for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
-        GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
-        if (!GrContextFactory::IsRenderingGLContext(glType)) {
-            continue;
-        }
-
-        GrContext* grContext = factory->get(glType);
-        if (NULL == grContext) {
-            continue;
-        }
-
-
-        if (NULL == grContext) {
-            return;
-        }
-        static const Pair gPairs[] = {
-            // SkGpuDevice can no longer be Create()ed with kNo_Config
-            // (or kUnknown_SkColorType in the new world), hence much of this
-            // test will be skipped, since it was checking that calling
-            // copyTo or deepCopyTo with src or dst set to kUnknown/kNo would
-            // successfully fail.
-            //
-            // If we can declare that you can *never* create a texture with
-            // kUnknown, then perhaps we can remove this entire test...
-            //
-//            { SkBitmap::kNo_Config,         "00"  },
-//            { SkBitmap::kARGB_8888_Config,  "01"  },
-            { kPMColor_SkColorType,  "1"  },
-        };
-
-        const int W = 20;
-        const int H = 33;
-
-        for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
-            SkImageInfo info = SkImageInfo::Make(W, H,
-                                                 gPairs[i].fColorType,
-                                                 kPremul_SkAlphaType);
-            SkBitmap src, dst;
-
-            SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(grContext, info, 0));
-            SkASSERT(device.get());
-
-            src = device->accessBitmap(false);
-            device->clear(SK_ColorWHITE);
-
-            // Draw something different to the same portion of the bitmap that we will extract as a
-            // subset, so that comparing the pixels of the subset will be meaningful.
-            SkIRect subsetRect = SkIRect::MakeLTRB(W/2, H/2, W, H);
-            SkCanvas drawingCanvas(device);
-            SkPaint paint;
-            paint.setColor(SK_ColorRED);
-            drawingCanvas.drawRect(SkRect::Make(subsetRect), paint);
-
-            // Extract a subset. If this succeeds we will test copying the subset.
-            SkBitmap subset;
-#ifdef SK_SUPPORT_DEEPCOPYTO_CONFIG
-            const bool extracted = src.extractSubset(&subset, subsetRect);
-
-            for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
-                SkBitmap::Config pairsConfig = SkColorTypeToBitmapConfig(gPairs[j].fColorType);
-                dst.reset();
-                bool success = src.deepCopyTo(&dst, pairsConfig);
-                bool expected = gPairs[i].fValid[j] != '0';
-                if (success != expected) {
-                    ERRORF(reporter, "SkBitmap::deepCopyTo from %s to %s. "
-                           "expected %s returned %s", gColorTypeName[i],
-                           gColorTypeName[j], boolStr(expected),
-                           boolStr(success));
-                }
-
-                bool canSucceed = src.canCopyTo(gPairs[j].fColorType);
-                if (success != canSucceed) {
-                    ERRORF(reporter, "SkBitmap::deepCopyTo from %s to %s "
-                           "returned %s, but canCopyTo returned %s",
-                           gColorTypeName[i], gColorTypeName[j], boolStr(success),
-                           boolStr(canSucceed));
-                }
-
-                TestIndividualCopy(reporter, gPairs[j].fColorType, success, src, dst, true);
-
-                // Test copying the subset bitmap, using both copyTo and deepCopyTo.
-                if (extracted) {
-                    SkBitmap subsetCopy;
-                    success = subset.copyTo(&subsetCopy, gPairs[j].fColorType);
-                    REPORTER_ASSERT(reporter, success == expected);
-                    REPORTER_ASSERT(reporter, success == canSucceed);
-                    TestIndividualCopy(reporter, gPairs[j].fColorType, success, subset, subsetCopy,
-                                       true);
-
-                    // Reset the bitmap so that a failed copyTo will leave it in the expected state.
-                    subsetCopy.reset();
-                    success = subset.deepCopyTo(&subsetCopy, pairsConfig);
-                    REPORTER_ASSERT(reporter, success == expected);
-                    REPORTER_ASSERT(reporter, success == canSucceed);
-                    TestIndividualCopy(reporter, gPairs[j].fColorType, success, subset, subsetCopy,
-                                       true);
-
-                    // Now set a bitmap to be a subset that will share the same pixelref.
-                    // This allows testing another case of cloning the genID. When calling copyTo
-                    // on a bitmap representing a subset of its pixelref, the resulting pixelref
-                    // should not share the genID, since we only copied the subset.
-                    SkBitmap trueSubset;
-                    // FIXME: Once https://codereview.chromium.org/109023008/ lands, call
-                    // trueSubset.installPixelRef(src.pixelRef(), subset);
-                    trueSubset.setConfig(SkImageInfo::Make(W/2, H/2, gPairs[i].fColorType,
-                                                           kPremul_SkAlphaType));
-                    trueSubset.setPixelRef(src.pixelRef(), W/2, H/2);
-
-                    subsetCopy.reset();
-                    success = trueSubset.copyTo(&subsetCopy, gPairs[j].fColorType);
-                    REPORTER_ASSERT(reporter, success == expected);
-                    REPORTER_ASSERT(reporter, success == canSucceed);
-                    TestIndividualCopy(reporter, gPairs[j].fColorType, success, trueSubset, subsetCopy,
-                                       false);
-
-                    // deepCopyTo copies the entire pixelref, even if the bitmap only represents
-                    // a subset. Therefore, the result should share the same genID.
-                    subsetCopy.reset();
-                    success = trueSubset.deepCopyTo(&subsetCopy, pairsConfig);
-                    REPORTER_ASSERT(reporter, success == expected);
-                    REPORTER_ASSERT(reporter, success == canSucceed);
-                    TestIndividualCopy(reporter, gPairs[j].fColorType, success, trueSubset, subsetCopy,
-                                       true);
-                }
-            } // for (size_t j = ...
-#endif
-        } // for (size_t i = ...
-    } // GrContextFactory::GLContextType
-}
-
-#endif