scroggo@google.com | d5764e8 | 2012-08-22 15:00:05 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2012 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
scroggo@google.com | 825bb95 | 2012-08-22 15:14:43 +0000 | [diff] [blame^] | 9 | #if SK_SUPPORT_GPU |
| 10 | |
scroggo@google.com | d5764e8 | 2012-08-22 15:00:05 +0000 | [diff] [blame] | 11 | #include "GrContext.h" |
| 12 | #include "SkBitmap.h" |
| 13 | #include "SkGpuDevice.h" |
| 14 | #include "SkPixelRef.h" |
| 15 | #include "SkRect.h" |
| 16 | #include "Test.h" |
| 17 | |
| 18 | static const char* boolStr(bool value) { |
| 19 | return value ? "true" : "false"; |
| 20 | } |
| 21 | |
| 22 | // these are in the same order as the SkBitmap::Config enum |
| 23 | static const char* gConfigName[] = { |
| 24 | "None", "4444", "8888" |
| 25 | }; |
| 26 | |
| 27 | struct Pair { |
| 28 | SkBitmap::Config fConfig; |
| 29 | const char* fValid; |
| 30 | }; |
| 31 | |
| 32 | // Stripped down version of TestBitmapCopy that checks basic fields (width, height, config, genID) |
| 33 | // to ensure that they were copied properly. |
| 34 | static void TestGpuBitmapCopy(skiatest::Reporter* reporter, GrContext* grContext) { |
| 35 | if (NULL == grContext) { |
| 36 | return; |
| 37 | } |
| 38 | static const Pair gPairs[] = { |
| 39 | { SkBitmap::kNo_Config, "000" }, |
| 40 | { SkBitmap::kARGB_4444_Config, "011" }, |
| 41 | { SkBitmap::kARGB_8888_Config, "011" }, |
| 42 | }; |
| 43 | |
| 44 | const int W = 20; |
| 45 | const int H = 33; |
| 46 | |
| 47 | for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) { |
| 48 | for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) { |
| 49 | SkBitmap src, dst; |
| 50 | |
| 51 | SkGpuDevice* device = SkNEW_ARGS(SkGpuDevice, (grContext, gPairs[i].fConfig, W, H)); |
| 52 | SkAutoUnref aur(device); |
| 53 | src = device->accessBitmap(false); |
| 54 | device->clear(SK_ColorWHITE); |
| 55 | |
| 56 | bool success = src.deepCopyTo(&dst, gPairs[j].fConfig); |
| 57 | bool expected = gPairs[i].fValid[j] != '0'; |
| 58 | if (success != expected) { |
| 59 | SkString str; |
| 60 | str.printf("SkBitmap::deepCopyTo from %s to %s. expected %s returned %s", |
| 61 | gConfigName[i], gConfigName[j], boolStr(expected), |
| 62 | boolStr(success)); |
| 63 | reporter->reportFailed(str); |
| 64 | } |
| 65 | |
| 66 | bool canSucceed = src.canCopyTo(gPairs[j].fConfig); |
| 67 | if (success != canSucceed) { |
| 68 | SkString str; |
| 69 | str.printf("SkBitmap::deepCopyTo from %s to %s returned %s," |
| 70 | "but canCopyTo returned %s", |
| 71 | gConfigName[i], gConfigName[j], boolStr(success), |
| 72 | boolStr(canSucceed)); |
| 73 | reporter->reportFailed(str); |
| 74 | } |
| 75 | |
| 76 | if (success) { |
| 77 | REPORTER_ASSERT(reporter, src.width() == dst.width()); |
| 78 | REPORTER_ASSERT(reporter, src.height() == dst.height()); |
| 79 | REPORTER_ASSERT(reporter, dst.config() == gPairs[j].fConfig); |
| 80 | if (src.config() == dst.config()) { |
| 81 | REPORTER_ASSERT(reporter, src.getGenerationID() == dst.getGenerationID()); |
| 82 | // Do read backs and make sure that the two are the same. |
| 83 | SkBitmap srcReadBack, dstReadBack; |
| 84 | REPORTER_ASSERT(reporter, src.pixelRef() != NULL |
| 85 | && dst.pixelRef() != NULL); |
| 86 | src.pixelRef()->readPixels(&srcReadBack); |
| 87 | dst.pixelRef()->readPixels(&dstReadBack); |
| 88 | SkAutoLockPixels srcLock(srcReadBack); |
| 89 | SkAutoLockPixels dstLock(dstReadBack); |
| 90 | REPORTER_ASSERT(reporter, srcReadBack.readyToDraw() |
| 91 | && dstReadBack.readyToDraw()); |
| 92 | const char* srcP = (const char*)srcReadBack.getAddr(0, 0); |
| 93 | const char* dstP = (const char*)dstReadBack.getAddr(0, 0); |
| 94 | REPORTER_ASSERT(reporter, srcP != dstP); |
| 95 | REPORTER_ASSERT(reporter, !memcmp(srcP, dstP, srcReadBack.getSize())); |
| 96 | } else { |
| 97 | REPORTER_ASSERT(reporter, src.getGenerationID() != dst.getGenerationID()); |
| 98 | } |
| 99 | } else { |
| 100 | // dst should be unchanged from its initial state |
| 101 | REPORTER_ASSERT(reporter, dst.config() == SkBitmap::kNo_Config); |
| 102 | REPORTER_ASSERT(reporter, dst.width() == 0); |
| 103 | REPORTER_ASSERT(reporter, dst.height() == 0); |
| 104 | } |
| 105 | } // for (size_t j = ... |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | #include "TestClassDef.h" |
| 110 | DEFINE_GPUTESTCLASS("GpuBitmapCopy", TestGpuBitmapCopyClass, TestGpuBitmapCopy) |
scroggo@google.com | 825bb95 | 2012-08-22 15:14:43 +0000 | [diff] [blame^] | 111 | |
| 112 | #endif |