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Unified Diff: tests/KtxTest.cpp

Issue 1757333002: Fix bug in SkGifCodec / Switch SkImageDec tests to use Codec (Closed) Base URL: https://skia.googlesource.com/skia.git@m50
Patch Set: Created 4 years, 10 months ago
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Index: tests/KtxTest.cpp
diff --git a/tests/KtxTest.cpp b/tests/KtxTest.cpp
deleted file mode 100644
index 7220cbf32e45d3891e3b01cbc7de1aea6c900379..0000000000000000000000000000000000000000
--- a/tests/KtxTest.cpp
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * 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 "Resources.h"
-#include "SkBitmap.h"
-#include "SkData.h"
-#include "SkImageGenerator.h"
-#include "SkForceLinking.h"
-#include "SkImageDecoder.h"
-#include "SkOSFile.h"
-#include "SkRandom.h"
-#include "SkStream.h"
-#include "Test.h"
-
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
-/**
- * First, make sure that writing an 8-bit RGBA KTX file and then
- * reading it produces the same bitmap.
- */
-DEF_TEST(KtxReadWrite, reporter) {
-
- // Random number generator with explicit seed for reproducibility
- SkRandom rand(0x1005cbad);
-
- SkBitmap bm8888;
- bm8888.allocN32Pixels(128, 128);
-
- uint8_t *pixels = reinterpret_cast<uint8_t*>(bm8888.getPixels());
- REPORTER_ASSERT(reporter, pixels);
-
- if (nullptr == pixels) {
- return;
- }
-
- uint8_t *row = pixels;
- for (int y = 0; y < bm8888.height(); ++y) {
- for (int x = 0; x < bm8888.width(); ++x) {
- uint8_t a = rand.nextRangeU(0, 255);
- uint8_t r = rand.nextRangeU(0, 255);
- uint8_t g = rand.nextRangeU(0, 255);
- uint8_t b = rand.nextRangeU(0, 255);
-
- SkPMColor &pixel = *(reinterpret_cast<SkPMColor*>(row + x*sizeof(SkPMColor)));
- pixel = SkPreMultiplyARGB(a, r, g, b);
- }
- row += bm8888.rowBytes();
- }
- REPORTER_ASSERT(reporter, !(bm8888.empty()));
-
- SkAutoDataUnref encodedData(SkImageEncoder::EncodeData(bm8888, SkImageEncoder::kKTX_Type, 0));
- if (nullptr == encodedData.get()) {
- ERRORF(reporter, "failed to encode the bitmap to KTX");
- return;
- }
-
-
- SkAutoTDelete<SkMemoryStream> stream(new SkMemoryStream(encodedData));
- REPORTER_ASSERT(reporter, stream);
-
- SkBitmap decodedBitmap;
- bool imageDecodeSuccess = SkImageDecoder::DecodeStream(stream, &decodedBitmap);
- if (!imageDecodeSuccess) {
- ERRORF(reporter, "failed to decode the KTX stream");
- return;
- }
-
- REPORTER_ASSERT(reporter, decodedBitmap.colorType() == bm8888.colorType());
- REPORTER_ASSERT(reporter, decodedBitmap.alphaType() == bm8888.alphaType());
- REPORTER_ASSERT(reporter, decodedBitmap.width() == bm8888.width());
- REPORTER_ASSERT(reporter, decodedBitmap.height() == bm8888.height());
- REPORTER_ASSERT(reporter, !(decodedBitmap.empty()));
-
- uint8_t *decodedPixels = reinterpret_cast<uint8_t*>(decodedBitmap.getPixels());
- REPORTER_ASSERT(reporter, decodedPixels);
- REPORTER_ASSERT(reporter, decodedBitmap.getSize() == bm8888.getSize());
-
- if (nullptr == decodedPixels) {
- return;
- }
-
- REPORTER_ASSERT(reporter, memcmp(decodedPixels, pixels, decodedBitmap.getSize()) == 0);
-}
-
-/**
- * Next test is to see whether or not reading an unpremultiplied KTX file accurately
- * creates a premultiplied buffer...
- */
-DEF_TEST(KtxReadUnpremul, reporter) {
-
- static const uint8_t kHalfWhiteKTX[] = {
- 0xAB, 0x4B, 0x54, 0x58, 0x20, 0x31, // First twelve bytes is magic
- 0x31, 0xBB, 0x0D, 0x0A, 0x1A, 0x0A, // KTX identifier string
- 0x01, 0x02, 0x03, 0x04, // Then magic endian specifier
- 0x01, 0x14, 0x00, 0x00, // uint32_t fGLType;
- 0x01, 0x00, 0x00, 0x00, // uint32_t fGLTypeSize;
- 0x08, 0x19, 0x00, 0x00, // uint32_t fGLFormat;
- 0x58, 0x80, 0x00, 0x00, // uint32_t fGLInternalFormat;
- 0x08, 0x19, 0x00, 0x00, // uint32_t fGLBaseInternalFormat;
- 0x02, 0x00, 0x00, 0x00, // uint32_t fPixelWidth;
- 0x02, 0x00, 0x00, 0x00, // uint32_t fPixelHeight;
- 0x00, 0x00, 0x00, 0x00, // uint32_t fPixelDepth;
- 0x00, 0x00, 0x00, 0x00, // uint32_t fNumberOfArrayElements;
- 0x01, 0x00, 0x00, 0x00, // uint32_t fNumberOfFaces;
- 0x01, 0x00, 0x00, 0x00, // uint32_t fNumberOfMipmapLevels;
- 0x00, 0x00, 0x00, 0x00, // uint32_t fBytesOfKeyValueData;
- 0x10, 0x00, 0x00, 0x00, // image size: 2x2 image of RGBA = 4 * 4 = 16 bytes
- 0xFF, 0xFF, 0xFF, 0x80, // Pixel 1
- 0xFF, 0xFF, 0xFF, 0x80, // Pixel 2
- 0xFF, 0xFF, 0xFF, 0x80, // Pixel 3
- 0xFF, 0xFF, 0xFF, 0x80};// Pixel 4
-
- SkAutoTDelete<SkMemoryStream> stream(new SkMemoryStream(kHalfWhiteKTX, sizeof(kHalfWhiteKTX)));
- REPORTER_ASSERT(reporter, stream);
-
- SkBitmap decodedBitmap;
- bool imageDecodeSuccess = SkImageDecoder::DecodeStream(stream, &decodedBitmap);
- if (!imageDecodeSuccess) {
- ERRORF(reporter, "failed to decode the KTX stream");
- return;
- }
-
- REPORTER_ASSERT(reporter, decodedBitmap.colorType() == kN32_SkColorType);
- REPORTER_ASSERT(reporter, decodedBitmap.alphaType() == kPremul_SkAlphaType);
- REPORTER_ASSERT(reporter, decodedBitmap.width() == 2);
- REPORTER_ASSERT(reporter, decodedBitmap.height() == 2);
- REPORTER_ASSERT(reporter, !(decodedBitmap.empty()));
-
- uint8_t *decodedPixels = reinterpret_cast<uint8_t*>(decodedBitmap.getPixels());
- REPORTER_ASSERT(reporter, decodedPixels);
-
- uint8_t *row = decodedPixels;
- for (int j = 0; j < decodedBitmap.height(); ++j) {
- for (int i = 0; i < decodedBitmap.width(); ++i) {
- SkPMColor pixel = *(reinterpret_cast<SkPMColor*>(row + i*sizeof(SkPMColor)));
- REPORTER_ASSERT(reporter, SkPreMultiplyARGB(0x80, 0xFF, 0xFF, 0xFF) == pixel);
- }
- row += decodedBitmap.rowBytes();
- }
-}
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