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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 /* | 8 /* |
9 * Code for the "gm" (Golden Master) rendering comparison tool. | 9 * Code for the "gm" (Golden Master) rendering comparison tool. |
10 * | 10 * |
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114 count += 1; | 114 count += 1; |
115 reg = reg->next(); | 115 reg = reg->next(); |
116 } | 116 } |
117 return count; | 117 return count; |
118 } | 118 } |
119 | 119 |
120 private: | 120 private: |
121 const GMRegistry* fReg; | 121 const GMRegistry* fReg; |
122 }; | 122 }; |
123 | 123 |
| 124 // TODO(epoger): Right now, various places in this code assume that all the |
| 125 // image files read/written by GM use this file extension. |
| 126 // Search for references to this constant to find these assumptions. |
| 127 const static char kPNG_FileExtension[] = "png"; |
| 128 |
124 enum Backend { | 129 enum Backend { |
125 kRaster_Backend, | 130 kRaster_Backend, |
126 kGPU_Backend, | 131 kGPU_Backend, |
127 kPDF_Backend, | 132 kPDF_Backend, |
128 kXPS_Backend, | 133 kXPS_Backend, |
129 }; | 134 }; |
130 | 135 |
131 enum BbhType { | 136 enum BbhType { |
132 kNone_BbhType, | 137 kNone_BbhType, |
133 kRTree_BbhType, | 138 kRTree_BbhType, |
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600 ErrorCombination write_reference_image(const ConfigData& gRec, const char wr
itePath [], | 605 ErrorCombination write_reference_image(const ConfigData& gRec, const char wr
itePath [], |
601 const char renderModeDescriptor [], c
onst SkString& name, | 606 const char renderModeDescriptor [], c
onst SkString& name, |
602 SkBitmap& bitmap, SkDynamicMemoryWStr
eam* document) { | 607 SkBitmap& bitmap, SkDynamicMemoryWStr
eam* document) { |
603 SkString path; | 608 SkString path; |
604 bool success = false; | 609 bool success = false; |
605 if (gRec.fBackend == kRaster_Backend || | 610 if (gRec.fBackend == kRaster_Backend || |
606 gRec.fBackend == kGPU_Backend || | 611 gRec.fBackend == kGPU_Backend || |
607 (gRec.fBackend == kPDF_Backend && CAN_IMAGE_PDF)) { | 612 (gRec.fBackend == kPDF_Backend && CAN_IMAGE_PDF)) { |
608 | 613 |
609 path = make_filename(writePath, renderModeDescriptor, name.c_str(), | 614 path = make_filename(writePath, renderModeDescriptor, name.c_str(), |
610 "png"); | 615 kPNG_FileExtension); |
611 success = write_bitmap(path, bitmap); | 616 success = write_bitmap(path, bitmap); |
612 } | 617 } |
613 if (kPDF_Backend == gRec.fBackend) { | 618 if (kPDF_Backend == gRec.fBackend) { |
614 path = make_filename(writePath, renderModeDescriptor, name.c_str(), | 619 path = make_filename(writePath, renderModeDescriptor, name.c_str(), |
615 "pdf"); | 620 "pdf"); |
616 success = write_document(path, *document); | 621 success = write_document(path, *document); |
617 } | 622 } |
618 if (kXPS_Backend == gRec.fBackend) { | 623 if (kXPS_Backend == gRec.fBackend) { |
619 path = make_filename(writePath, renderModeDescriptor, name.c_str(), | 624 path = make_filename(writePath, renderModeDescriptor, name.c_str(), |
620 "xps"); | 625 "xps"); |
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720 bool addToJsonSummary) { | 725 bool addToJsonSummary) { |
721 ErrorCombination errors; | 726 ErrorCombination errors; |
722 SkHashDigest actualBitmapHash; | 727 SkHashDigest actualBitmapHash; |
723 // TODO(epoger): Better handling for error returned by ComputeDigest()? | 728 // TODO(epoger): Better handling for error returned by ComputeDigest()? |
724 // For now, we just report a digest of 0 in error cases, like before. | 729 // For now, we just report a digest of 0 in error cases, like before. |
725 if (!SkBitmapHasher::ComputeDigest(actualBitmap, &actualBitmapHash)) { | 730 if (!SkBitmapHasher::ComputeDigest(actualBitmap, &actualBitmapHash)) { |
726 actualBitmapHash = 0; | 731 actualBitmapHash = 0; |
727 } | 732 } |
728 SkString completeNameString = baseNameString; | 733 SkString completeNameString = baseNameString; |
729 completeNameString.append(renderModeDescriptor); | 734 completeNameString.append(renderModeDescriptor); |
| 735 completeNameString.append("."); |
| 736 completeNameString.append(kPNG_FileExtension); |
730 const char* completeName = completeNameString.c_str(); | 737 const char* completeName = completeNameString.c_str(); |
731 | 738 |
732 if (expectations.empty()) { | 739 if (expectations.empty()) { |
733 errors.add(kMissingExpectations_ErrorType); | 740 errors.add(kMissingExpectations_ErrorType); |
734 } else if (!expectations.match(actualBitmapHash)) { | 741 } else if (!expectations.match(actualBitmapHash)) { |
735 addToJsonSummary = true; | 742 addToJsonSummary = true; |
736 // The error mode we record depends on whether this was running | 743 // The error mode we record depends on whether this was running |
737 // in a non-standard renderMode. | 744 // in a non-standard renderMode. |
738 if ('\0' == *renderModeDescriptor) { | 745 if ('\0' == *renderModeDescriptor) { |
739 errors.add(kExpectationsMismatch_ErrorType); | 746 errors.add(kExpectationsMismatch_ErrorType); |
740 } else { | 747 } else { |
741 errors.add(kRenderModeMismatch_ErrorType); | 748 errors.add(kRenderModeMismatch_ErrorType); |
742 } | 749 } |
743 | 750 |
744 // Write out the "actuals" for any mismatches, if we have | 751 // Write out the "actuals" for any mismatches, if we have |
745 // been directed to do so. | 752 // been directed to do so. |
746 if (fMismatchPath) { | 753 if (fMismatchPath) { |
747 SkString path = | 754 SkString path = |
748 make_filename(fMismatchPath, renderModeDescriptor, | 755 make_filename(fMismatchPath, renderModeDescriptor, |
749 baseNameString.c_str(), "png"); | 756 baseNameString.c_str(), kPNG_FileExtension); |
750 write_bitmap(path, actualBitmap); | 757 write_bitmap(path, actualBitmap); |
751 } | 758 } |
752 | 759 |
753 // If we have access to a single expected bitmap, log more | 760 // If we have access to a single expected bitmap, log more |
754 // detail about the mismatch. | 761 // detail about the mismatch. |
755 const SkBitmap *expectedBitmapPtr = expectations.asBitmap(); | 762 const SkBitmap *expectedBitmapPtr = expectations.asBitmap(); |
756 if (NULL != expectedBitmapPtr) { | 763 if (NULL != expectedBitmapPtr) { |
757 report_bitmap_diffs(*expectedBitmapPtr, actualBitmap, completeNa
me); | 764 report_bitmap_diffs(*expectedBitmapPtr, actualBitmap, completeNa
me); |
758 } | 765 } |
759 } | 766 } |
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846 * get this by computing the hash digest of a single PNG file on dis
k. | 853 * get this by computing the hash digest of a single PNG file on dis
k. |
847 * | 854 * |
848 * TODO(epoger): This relies on the fact that | 855 * TODO(epoger): This relies on the fact that |
849 * force_all_opaque() was called on the bitmap before it | 856 * force_all_opaque() was called on the bitmap before it |
850 * was written to disk as a PNG in the first place. If | 857 * was written to disk as a PNG in the first place. If |
851 * not, the hash digest returned here may not match the | 858 * not, the hash digest returned here may not match the |
852 * hash digest of actualBitmap, which *has* been run through | 859 * hash digest of actualBitmap, which *has* been run through |
853 * force_all_opaque(). | 860 * force_all_opaque(). |
854 * See comments above complete_bitmap() for more detail. | 861 * See comments above complete_bitmap() for more detail. |
855 */ | 862 */ |
856 Expectations expectations = expectationsSource->get(name.c_str()); | 863 SkString nameWithExtension(name); |
| 864 nameWithExtension.append("."); |
| 865 nameWithExtension.append(kPNG_FileExtension); |
| 866 Expectations expectations = expectationsSource->get(nameWithExtensio
n.c_str()); |
857 errors.add(compare_to_expectations(expectations, actualBitmap, | 867 errors.add(compare_to_expectations(expectations, actualBitmap, |
858 name, "", true)); | 868 name, "", true)); |
859 } else { | 869 } else { |
860 // If we are running without expectations, we still want to | 870 // If we are running without expectations, we still want to |
861 // record the actual results. | 871 // record the actual results. |
862 SkHashDigest actualBitmapHash; | 872 SkHashDigest actualBitmapHash; |
863 // TODO(epoger): Better handling for error returned by ComputeDigest
()? | 873 // TODO(epoger): Better handling for error returned by ComputeDigest
()? |
864 // For now, we just report a digest of 0 in error cases, like before
. | 874 // For now, we just report a digest of 0 in error cases, like before
. |
865 if (!SkBitmapHasher::ComputeDigest(actualBitmap, &actualBitmapHash))
{ | 875 if (!SkBitmapHasher::ComputeDigest(actualBitmap, &actualBitmapHash))
{ |
866 actualBitmapHash = 0; | 876 actualBitmapHash = 0; |
867 } | 877 } |
868 add_actual_results_to_json_summary(name.c_str(), actualBitmapHash, | 878 SkString nameWithExtension(name); |
| 879 nameWithExtension.append("."); |
| 880 nameWithExtension.append(kPNG_FileExtension); |
| 881 add_actual_results_to_json_summary(nameWithExtension.c_str(), actual
BitmapHash, |
869 ErrorCombination(kMissingExpectat
ions_ErrorType), | 882 ErrorCombination(kMissingExpectat
ions_ErrorType), |
870 false); | 883 false); |
871 RecordTestResults(ErrorCombination(kMissingExpectations_ErrorType),
name, ""); | 884 RecordTestResults(ErrorCombination(kMissingExpectations_ErrorType),
name, ""); |
872 } | 885 } |
873 | 886 |
874 // TODO: Consider moving this into compare_to_expectations(), | 887 // TODO: Consider moving this into compare_to_expectations(), |
875 // similar to fMismatchPath... for now, we don't do that, because | 888 // similar to fMismatchPath... for now, we don't do that, because |
876 // we don't want to write out the actual bitmaps for all | 889 // we don't want to write out the actual bitmaps for all |
877 // renderModes of all tests! That would be a lot of files. | 890 // renderModes of all tests! That would be a lot of files. |
878 if (writePath && (gRec.fFlags & kWrite_ConfigFlag)) { | 891 if (writePath && (gRec.fFlags & kWrite_ConfigFlag)) { |
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2032 if (FLAGS_forceBWtext) { | 2045 if (FLAGS_forceBWtext) { |
2033 canvas->setDrawFilter(SkNEW(BWTextDrawFilter))->unref(); | 2046 canvas->setDrawFilter(SkNEW(BWTextDrawFilter))->unref(); |
2034 } | 2047 } |
2035 } | 2048 } |
2036 | 2049 |
2037 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL) | 2050 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL) |
2038 int main(int argc, char * const argv[]) { | 2051 int main(int argc, char * const argv[]) { |
2039 return tool_main(argc, (char**) argv); | 2052 return tool_main(argc, (char**) argv); |
2040 } | 2053 } |
2041 #endif | 2054 #endif |
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