| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Benchmark.h" |
| #include "Resources.h" |
| #include "SkCanvas.h" |
| #include "SkData.h" |
| #include "SkImageGenerator.h" |
| #include "SkImageDecoder.h" |
| #include "SkOSFile.h" |
| #include "SkPixelRef.h" |
| |
| #ifndef SK_IGNORE_ETC1_SUPPORT |
| |
| #include "etc1.h" |
| |
| // This takes the etc1 data pointed to by orig, and copies it `factor` times in each |
| // dimension. The return value is the new data or NULL on error. |
| static etc1_byte* create_expanded_etc1_bitmap(const uint8_t* orig, int factor) { |
| SkASSERT(orig); |
| SkASSERT(factor > 1); |
| |
| const etc1_byte* origData = reinterpret_cast<const etc1_byte*>(orig); |
| if (!etc1_pkm_is_valid(orig)) { |
| return NULL; |
| } |
| |
| etc1_uint32 origWidth = etc1_pkm_get_width(origData); |
| etc1_uint32 origHeight = etc1_pkm_get_height(origData); |
| |
| // The width and height must be aligned along block boundaries |
| static const etc1_uint32 kETC1BlockWidth = 4; |
| static const etc1_uint32 kETC1BlockHeight = 4; |
| if ((origWidth % kETC1BlockWidth) != 0 || |
| (origHeight % kETC1BlockHeight) != 0) { |
| return NULL; |
| } |
| |
| // The picture must be at least as large as a block. |
| if (origWidth <= kETC1BlockWidth || origHeight <= kETC1BlockHeight) { |
| return NULL; |
| } |
| |
| etc1_uint32 newWidth = origWidth * factor; |
| etc1_uint32 newHeight = origHeight * factor; |
| |
| etc1_uint32 newDataSz = etc1_get_encoded_data_size(newWidth, newHeight); |
| etc1_byte* newData = reinterpret_cast<etc1_byte *>( |
| sk_malloc_throw(newDataSz + ETC_PKM_HEADER_SIZE)); |
| etc1_pkm_format_header(newData, newWidth, newHeight); |
| |
| etc1_byte* copyInto = newData; |
| |
| copyInto += ETC_PKM_HEADER_SIZE; |
| origData += ETC_PKM_HEADER_SIZE; |
| |
| etc1_uint32 origBlocksX = (origWidth >> 2); |
| etc1_uint32 origBlocksY = (origHeight >> 2); |
| etc1_uint32 newBlocksY = (newHeight >> 2); |
| etc1_uint32 origRowSzInBytes = origBlocksX * ETC1_ENCODED_BLOCK_SIZE; |
| |
| for (etc1_uint32 j = 0; j < newBlocksY; ++j) { |
| const etc1_byte* rowStart = origData + ((j % origBlocksY) * origRowSzInBytes); |
| for(etc1_uint32 i = 0; i < newWidth; i += origWidth) { |
| memcpy(copyInto, rowStart, origRowSzInBytes); |
| copyInto += origRowSzInBytes; |
| } |
| } |
| return newData; |
| } |
| |
| // This is the base class for all of the benches in this file. In general |
| // the ETC1 benches should all be working on the same data. Due to the |
| // simplicity of the PKM file, that data is the 128x128 mandrill etc1 |
| // compressed texture repeated by some factor (currently 8 -> 1024x1024) |
| class ETCBitmapBenchBase : public Benchmark { |
| public: |
| ETCBitmapBenchBase() : fPKMData(loadPKM()) { |
| if (NULL == fPKMData) { |
| SkDebugf("Could not load PKM data!"); |
| } |
| } |
| |
| protected: |
| SkAutoDataUnref fPKMData; |
| |
| private: |
| SkData* loadPKM() { |
| SkString pkmFilename = GetResourcePath("mandrill_128.pkm"); |
| // Expand the data |
| SkAutoDataUnref fileData(SkData::NewFromFileName(pkmFilename.c_str())); |
| if (NULL == fileData) { |
| SkDebugf("Could not open the file. Did you forget to set the resourcePath?\n"); |
| return NULL; |
| } |
| |
| const etc1_uint32 kExpansionFactor = 8; |
| etc1_byte* expandedETC1 = |
| create_expanded_etc1_bitmap(fileData->bytes(), kExpansionFactor); |
| if (NULL == expandedETC1) { |
| SkDebugf("Error expanding ETC1 data by factor of %d\n", kExpansionFactor); |
| return NULL; |
| } |
| |
| etc1_uint32 width = etc1_pkm_get_width(expandedETC1); |
| etc1_uint32 height = etc1_pkm_get_width(expandedETC1); |
| etc1_uint32 dataSz = ETC_PKM_HEADER_SIZE + etc1_get_encoded_data_size(width, height); |
| return SkData::NewFromMalloc(expandedETC1, dataSz); |
| } |
| |
| typedef Benchmark INHERITED; |
| }; |
| |
| // This is the rendering benchmark. Prior to rendering the data, create a |
| // bitmap using the etc1 data. |
| class ETCBitmapBench : public ETCBitmapBenchBase { |
| public: |
| ETCBitmapBench(bool decompress, Backend backend) |
| : fDecompress(decompress), fBackend(backend) { } |
| |
| bool isSuitableFor(Backend backend) SK_OVERRIDE { |
| return backend == this->fBackend; |
| } |
| |
| protected: |
| const char* onGetName() SK_OVERRIDE { |
| if (kGPU_Backend == this->fBackend) { |
| if (this->fDecompress) { |
| return "etc1bitmap_render_gpu_decompressed"; |
| } else { |
| return "etc1bitmap_render_gpu_compressed"; |
| } |
| } else { |
| SkASSERT(kRaster_Backend == this->fBackend); |
| if (this->fDecompress) { |
| return "etc1bitmap_render_raster_decompressed"; |
| } else { |
| return "etc1bitmap_render_raster_compressed"; |
| } |
| } |
| } |
| |
| void onPreDraw() SK_OVERRIDE { |
| if (NULL == fPKMData) { |
| SkDebugf("Failed to load PKM data!\n"); |
| return; |
| } |
| |
| // Install pixel ref |
| if (!SkInstallDiscardablePixelRef(fPKMData, &(this->fBitmap))) { |
| SkDebugf("Could not install discardable pixel ref.\n"); |
| return; |
| } |
| |
| // Decompress it if necessary |
| if (this->fDecompress) { |
| this->fBitmap.lockPixels(); |
| } |
| } |
| |
| void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
| for (int i = 0; i < loops; ++i) { |
| canvas->drawBitmap(this->fBitmap, 0, 0, NULL); |
| } |
| } |
| |
| protected: |
| SkBitmap fBitmap; |
| bool decompress() const { return fDecompress; } |
| Backend backend() const { return fBackend; } |
| private: |
| const bool fDecompress; |
| const Backend fBackend; |
| typedef ETCBitmapBenchBase INHERITED; |
| }; |
| |
| // This benchmark is identical to the previous benchmark, but it explicitly forces |
| // an upload to the GPU before each draw call. We do this by notifying the bitmap |
| // that the pixels have changed (even though they haven't). |
| class ETCBitmapUploadBench : public ETCBitmapBench { |
| public: |
| ETCBitmapUploadBench(bool decompress, Backend backend) |
| : ETCBitmapBench(decompress, backend) { } |
| |
| protected: |
| const char* onGetName() SK_OVERRIDE { |
| if (kGPU_Backend == this->backend()) { |
| if (this->decompress()) { |
| return "etc1bitmap_upload_gpu_decompressed"; |
| } else { |
| return "etc1bitmap_upload_gpu_compressed"; |
| } |
| } else { |
| SkASSERT(kRaster_Backend == this->backend()); |
| if (this->decompress()) { |
| return "etc1bitmap_upload_raster_decompressed"; |
| } else { |
| return "etc1bitmap_upload_raster_compressed"; |
| } |
| } |
| } |
| |
| void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
| SkPixelRef* pr = fBitmap.pixelRef(); |
| for (int i = 0; i < loops; ++i) { |
| if (pr) { |
| pr->notifyPixelsChanged(); |
| } |
| canvas->drawBitmap(this->fBitmap, 0, 0, NULL); |
| } |
| } |
| |
| private: |
| typedef ETCBitmapBench INHERITED; |
| }; |
| |
| DEF_BENCH(return new ETCBitmapBench(false, Benchmark::kRaster_Backend);) |
| DEF_BENCH(return new ETCBitmapBench(true, Benchmark::kRaster_Backend);) |
| |
| DEF_BENCH(return new ETCBitmapBench(false, Benchmark::kGPU_Backend);) |
| DEF_BENCH(return new ETCBitmapBench(true, Benchmark::kGPU_Backend);) |
| |
| DEF_BENCH(return new ETCBitmapUploadBench(false, Benchmark::kRaster_Backend);) |
| DEF_BENCH(return new ETCBitmapUploadBench(true, Benchmark::kRaster_Backend);) |
| |
| DEF_BENCH(return new ETCBitmapUploadBench(false, Benchmark::kGPU_Backend);) |
| DEF_BENCH(return new ETCBitmapUploadBench(true, Benchmark::kGPU_Backend);) |
| |
| #endif // SK_IGNORE_ETC1_SUPPORT |