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Side by Side Diff: src/images/SkImageDecoder_ktx.cpp

Issue 1037793002: C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla} (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: git cl web Created 5 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2014 Google Inc. 2 * Copyright 2014 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 #include "SkColorPriv.h" 8 #include "SkColorPriv.h"
9 #include "SkImageDecoder.h" 9 #include "SkImageDecoder.h"
10 #include "SkPixelRef.h" 10 #include "SkPixelRef.h"
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29 // 29 //
30 // This decoder is meant to be used with an SkDiscardablePixelRef so that GPU ba ckends 30 // This decoder is meant to be used with an SkDiscardablePixelRef so that GPU ba ckends
31 // can sniff the data before creating a texture. If they encounter a compressed format 31 // can sniff the data before creating a texture. If they encounter a compressed format
32 // that they understand, they can then upload the data directly to the GPU. Othe rwise, 32 // that they understand, they can then upload the data directly to the GPU. Othe rwise,
33 // they will decode the data into a format that Skia supports. 33 // they will decode the data into a format that Skia supports.
34 34
35 class SkKTXImageDecoder : public SkImageDecoder { 35 class SkKTXImageDecoder : public SkImageDecoder {
36 public: 36 public:
37 SkKTXImageDecoder() { } 37 SkKTXImageDecoder() { }
38 38
39 Format getFormat() const SK_OVERRIDE { 39 Format getFormat() const override {
40 return kKTX_Format; 40 return kKTX_Format;
41 } 41 }
42 42
43 protected: 43 protected:
44 Result onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE; 44 Result onDecode(SkStream* stream, SkBitmap* bm, Mode) override;
45 45
46 private: 46 private:
47 typedef SkImageDecoder INHERITED; 47 typedef SkImageDecoder INHERITED;
48 }; 48 };
49 49
50 SkImageDecoder::Result SkKTXImageDecoder::onDecode(SkStream* stream, SkBitmap* b m, Mode mode) { 50 SkImageDecoder::Result SkKTXImageDecoder::onDecode(SkStream* stream, SkBitmap* b m, Mode mode) {
51 // TODO: Implement SkStream::copyToData() that's cheap for memory and file s treams 51 // TODO: Implement SkStream::copyToData() that's cheap for memory and file s treams
52 SkAutoDataUnref data(SkCopyStreamToData(stream)); 52 SkAutoDataUnref data(SkCopyStreamToData(stream));
53 if (NULL == data) { 53 if (NULL == data) {
54 return kFailure; 54 return kFailure;
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244 // there is an installed discardable pixel ref with existing PKM data, then we 244 // there is an installed discardable pixel ref with existing PKM data, then we
245 // will repurpose the existing ETC1 data into a KTX file. If the data contains 245 // will repurpose the existing ETC1 data into a KTX file. If the data contains
246 // KTX data, then we simply return a copy of the same data. For all other files, 246 // KTX data, then we simply return a copy of the same data. For all other files,
247 // the underlying KTX library tries to do its best to encode the appropriate 247 // the underlying KTX library tries to do its best to encode the appropriate
248 // data specified by the bitmap based on the config. (i.e. kAlpha8_Config will 248 // data specified by the bitmap based on the config. (i.e. kAlpha8_Config will
249 // be represented as a full resolution 8-bit image dump with the appropriate 249 // be represented as a full resolution 8-bit image dump with the appropriate
250 // OpenGL defines in the header). 250 // OpenGL defines in the header).
251 251
252 class SkKTXImageEncoder : public SkImageEncoder { 252 class SkKTXImageEncoder : public SkImageEncoder {
253 protected: 253 protected:
254 bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) SK_OVERRID E; 254 bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) override;
255 255
256 private: 256 private:
257 virtual bool encodePKM(SkWStream* stream, const SkData *data); 257 virtual bool encodePKM(SkWStream* stream, const SkData *data);
258 typedef SkImageEncoder INHERITED; 258 typedef SkImageEncoder INHERITED;
259 }; 259 };
260 260
261 bool SkKTXImageEncoder::onEncode(SkWStream* stream, const SkBitmap& bitmap, int) { 261 bool SkKTXImageEncoder::onEncode(SkWStream* stream, const SkBitmap& bitmap, int) {
262 if (!bitmap.pixelRef()) { 262 if (!bitmap.pixelRef()) {
263 return false; 263 return false;
264 } 264 }
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321 return SkImageDecoder::kUnknown_Format; 321 return SkImageDecoder::kUnknown_Format;
322 } 322 }
323 323
324 SkImageEncoder* sk_libktx_efactory(SkImageEncoder::Type t) { 324 SkImageEncoder* sk_libktx_efactory(SkImageEncoder::Type t) {
325 return (SkImageEncoder::kKTX_Type == t) ? SkNEW(SkKTXImageEncoder) : NULL; 325 return (SkImageEncoder::kKTX_Type == t) ? SkNEW(SkKTXImageEncoder) : NULL;
326 } 326 }
327 327
328 static SkImageDecoder_DecodeReg gReg(sk_libktx_dfactory); 328 static SkImageDecoder_DecodeReg gReg(sk_libktx_dfactory);
329 static SkImageDecoder_FormatReg gFormatReg(get_format_ktx); 329 static SkImageDecoder_FormatReg gFormatReg(get_format_ktx);
330 static SkImageEncoder_EncodeReg gEReg(sk_libktx_efactory); 330 static SkImageEncoder_EncodeReg gEReg(sk_libktx_efactory);
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