Revert of Add initial pipeline for decompressors

tests/TextureCompressionTest.cpp

 /*
  * 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 "SkBitmap.h"
 #include "SkData.h"
 #include "SkEndian.h"
@@ skipping 57 matching lines @@
     bitmap.unlockPixels();
 
     for (int i = 0; i < SkTextureCompressor::kFormatCnt; ++i) {
         const SkTextureCompressor::Format fmt = static_cast<SkTextureCompressor::Format>(i);
         SkAutoDataUnref data(SkTextureCompressor::CompressBitmapToFormat(bitmap, fmt));
         REPORTER_ASSERT(reporter, NULL == data);
     }
 }
 
 /**
- * Make sure that if you compress a texture with alternating black/white pixels, and
- * then decompress it, you get what you started with.
- */
-DEF_TEST(CompressCheckerboard, reporter) {
-    SkBitmap bitmap;
-    static const int kWidth = 12;
-    static const int kHeight = 12;
-    SkImageInfo info = SkImageInfo::MakeA8(kWidth, kHeight);
-
-    // ASTC is at most 12x12, and any dimension divisible by 12 is also divisible
-    // by 4, which is the dimensions of R11_EAC and LATC. In the future, we might
-    // support additional variants of ASTC, such as 5x6 and 8x8, in which case this would
-    // need to be updated.
-    REPORTER_ASSERT(reporter, kWidth % 12 == 0);
-    REPORTER_ASSERT(reporter, kHeight % 12 == 0);
-
-    bool setInfoSuccess = bitmap.setInfo(info);
-    REPORTER_ASSERT(reporter, setInfoSuccess);
-
-    bool allocPixelsSuccess = bitmap.allocPixels(info);
-    REPORTER_ASSERT(reporter, allocPixelsSuccess);
-
-    bitmap.lockPixels();
-    uint8_t* pixels = reinterpret_cast<uint8_t*>(bitmap.getPixels());
-    REPORTER_ASSERT(reporter, NULL != pixels);
-
-    for (int y = 0; y < kHeight; ++y) {
-        for (int x = 0; x < kWidth; ++x) {
-            if ((x ^ y) & 1) {
-                pixels[x] = 0xFF;
-            } else {
-                pixels[x] = 0;
-            }
-        }
-        pixels += bitmap.rowBytes();
-    }
-    bitmap.unlockPixels();
-
-    SkAutoMalloc decompMemory(kWidth*kHeight);
-    uint8_t* decompBuffer = reinterpret_cast<uint8_t*>(decompMemory.get());
-    REPORTER_ASSERT(reporter, NULL != decompBuffer);
-    if (NULL == decompBuffer) {
-        return;
-    }
-
-    for (int i = 0; i < SkTextureCompressor::kFormatCnt; ++i) {
-        const SkTextureCompressor::Format fmt = static_cast<SkTextureCompressor::Format>(i);
-
-        // ASTC is for RGBA data, and the decompressed buffer
-        // won't match the size and contents of the original.
-        // TODO: Create separate tests for RGB and RGBA data once
-        // ASTC decompression is implemented.
-        if (SkTextureCompressor::kASTC_12x12_Format == fmt) {
-            continue;
-        }
-
-        SkAutoDataUnref data(SkTextureCompressor::CompressBitmapToFormat(bitmap, fmt));
-        REPORTER_ASSERT(reporter, NULL != data);
-
-        bool decompResult =
-            SkTextureCompressor::DecompressBufferFromFormat(
-                decompBuffer, kWidth,
-                data->bytes(),
-                kWidth, kHeight, fmt);
-        REPORTER_ASSERT(reporter, decompResult);
-
-        bitmap.lockPixels();
-        pixels = reinterpret_cast<uint8_t*>(bitmap.getPixels());
-        REPORTER_ASSERT(reporter, NULL != pixels);
-
-        for (int y = 0; y < kHeight; ++y) {
-            for (int x = 0; x < kWidth; ++x) {
-                bool ok = pixels[y*bitmap.rowBytes() + x] == decompBuffer[y*kWidth + x];
-                REPORTER_ASSERT(reporter, ok);
-            }
-        }
-    }
-}
-
-/**
  * Make sure that if we pass in a solid color bitmap that we get the appropriate results
  */
 DEF_TEST(CompressLATC, reporter) {
 
     const SkTextureCompressor::Format kLATCFormat = SkTextureCompressor::kLATC_Format;
     static const int kLATCEncodedBlockSize = 8;
 
     SkBitmap bitmap;
     static const int kWidth = 8;
     static const int kHeight = 8;
@@ skipping 46 matching lines @@
                 (kIndex << 28) | (kIndex << 31) | (kIndex << 34) | (kIndex << 37) |
                 (kIndex << 40) | (kIndex << 43) | (kIndex << 46) | (kIndex << 49) |
                 (kIndex << 52) | (kIndex << 55) | (kIndex << 58) | (kIndex << 61));
 
         const uint64_t* blockPtr = reinterpret_cast<const uint64_t*>(latcData->data());
         for (size_t i = 0; i < (kSizeToBe/8); ++i) {
             REPORTER_ASSERT(reporter, blockPtr[i] == kConstColorEncoding);
         }
     }
 }