mirror of
https://github.com/yuzu-emu/FasTC
synced 2024-11-26 02:07:56 +00:00
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// Copyright 2016 The University of North Carolina at Chapel Hill
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Please send all BUG REPORTS to <pavel@cs.unc.edu>.
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// <http://gamma.cs.unc.edu/FasTC/>
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#include "gtest/gtest.h"
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#include "TestUtils.h"
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#include "FasTC/PVRTCCompressor.h"
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static const FasTC::ECompressionFormat kFmt = FasTC::eCompressionFormat_PVRTC4;
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TEST(Decompressor, DecompressWhite) {
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const uint32 kWidth = 32;
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const uint32 kHeight = 32;
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uint8 pvrData[512];
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for(int i = 0; i < 512; i += 8) {
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uint8 whiteBlock[8] = { 0xAA, 0xAA, 0xAA, 0xAA, 0xFE, 0xFF, 0xFF, 0xFF };
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memcpy(pvrData + i, whiteBlock, 8);
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}
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uint8 outData[4 * kWidth * kHeight];
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FasTC::DecompressionJob dcj (kFmt, pvrData, outData, kWidth, kHeight);
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PVRTCC::Decompress(dcj);
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for(uint32 i = 0; i < kWidth; i++) {
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for(uint32 j = 0; j < kHeight; j++) {
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const uint32 *pixelData = reinterpret_cast<const uint32 *>(outData);
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const uint32 p = pixelData[j*kWidth + i];
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EXPECT_EQ(PixelPrinter(p), PixelPrinter(0xFFFFFFFF));
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}
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}
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}
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TEST(Decompressor, DecompressGray) {
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const uint32 kWidth = 32;
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const uint32 kHeight = 32;
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uint8 pvrData[512];
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for(uint32 i = 0; i < 512; i += 8) {
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uint8 grayBlock[8] = { 0xAA, 0xAA, 0xAA, 0xAA, 0xF0, 0xBD, 0x0F, 0xC2 };
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memcpy(pvrData + i, grayBlock, 8);
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}
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uint8 outData[4 * kWidth * kHeight];
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FasTC::DecompressionJob dcj (kFmt, pvrData, outData, kWidth, kHeight);
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PVRTCC::Decompress(dcj);
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for(uint32 i = 0; i < kWidth; i++) {
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for(uint32 j = 0; j < kHeight; j++) {
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const uint32 *pixelData = reinterpret_cast<const uint32 *>(outData);
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const uint32 p = pixelData[j*kWidth + i];
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EXPECT_EQ(PixelPrinter(p), PixelPrinter(0xFF818080));
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}
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}
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}
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