зеркало из https://github.com/mozilla/gecko-dev.git
Bug 738343 - part 7 - add gtest for Moz2d swizzles. r=jrmuizel
MozReview-Commit-ID: 8URP2A8okKd
This commit is contained in:
Lee Salzman
Родитель
13e442d01b
Коммит
78ab903fce
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "gtest/gtest.h"
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#include "mozilla/gfx/Swizzle.h"
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#include "mozilla/PodOperations.h"
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using namespace mozilla;
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using namespace mozilla::gfx;
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TEST(Moz2D, PremultiplyData) {
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const uint8_t in_bgra[5*4] =
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{
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255, 255, 0, 255, // verify 255 alpha leaves RGB unchanged
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0, 0, 255, 255,
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0, 255, 255, 0, // verify 0 alpha zeroes out RGB
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0, 0, 0, 0,
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255, 0, 0, 128, // verify that 255 RGB maps to alpha
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};
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uint8_t out[5*4];
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const uint8_t check_bgra[5*4] =
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{
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255, 255, 0, 255,
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0, 0, 255, 255,
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0, 0, 0, 0,
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0, 0, 0, 0,
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128, 0, 0, 128,
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};
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// check swizzled output
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const uint8_t check_rgba[5*4] =
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{
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0, 255, 255, 255,
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255, 0, 0, 255,
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 128, 128,
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};
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const uint8_t check_argb[5*4] =
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{
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255, 0, 255, 255,
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255, 255, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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128, 0, 0, 128,
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};
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PremultiplyData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_bgra));
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PremultiplyData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(in_bgra), SurfaceFormat::R8G8B8A8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_rgba));
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PremultiplyData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(in_bgra), SurfaceFormat::A8R8G8B8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_argb));
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}
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TEST(Moz2D, UnpremultiplyData) {
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const uint8_t in_bgra[5*4] =
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{
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255, 255, 0, 255, // verify 255 alpha leaves RGB unchanged
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0, 0, 255, 255,
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0, 0, 0, 0, // verify 0 alpha leaves RGB at 0
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0, 0, 0, 64, // verify 0 RGB stays 0 with non-zero alpha
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128, 0, 0, 128, // verify that RGB == alpha maps to 255
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};
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uint8_t out[5*4];
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const uint8_t check_bgra[5*4] =
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{
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255, 255, 0, 255,
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0, 0, 255, 255,
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0, 0, 0, 0,
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0, 0, 0, 64,
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255, 0, 0, 128,
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};
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// check swizzled output
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const uint8_t check_rgba[5*4] =
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{
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0, 255, 255, 255,
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255, 0, 0, 255,
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0, 0, 0, 0,
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0, 0, 0, 64,
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0, 0, 255, 128,
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};
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const uint8_t check_argb[5*4] =
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{
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255, 0, 255, 255,
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255, 255, 0, 0,
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0, 0, 0, 0,
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64, 0, 0, 0,
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128, 0, 0, 255,
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};
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UnpremultiplyData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_bgra));
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UnpremultiplyData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(in_bgra), SurfaceFormat::R8G8B8A8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_rgba));
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UnpremultiplyData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(in_bgra), SurfaceFormat::A8R8G8B8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_argb));
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}
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TEST(Moz2D, SwizzleData) {
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const uint8_t in_bgra[5*4] =
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{
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253, 254, 0, 255,
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0, 0, 255, 255,
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0, 0, 0, 0,
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1, 2, 3, 64,
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127, 0, 9, 128,
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};
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uint8_t out[5*4];
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// check copy
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const uint8_t check_bgra[5*4] =
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{
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253, 254, 0, 255,
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0, 0, 255, 255,
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0, 0, 0, 0,
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1, 2, 3, 64,
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127, 0, 9, 128,
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};
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// check swaps
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const uint8_t check_rgba[5*4] =
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{
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0, 254, 253, 255,
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255, 0, 0, 255,
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0, 0, 0, 0,
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3, 2, 1, 64,
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9, 0, 127, 128,
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};
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const uint8_t check_argb[5*4] =
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{
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255, 0, 254, 253,
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255, 255, 0, 0,
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0, 0, 0, 0,
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64, 3, 2, 1,
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128, 9, 0, 127,
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};
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// check opaquifying
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const uint8_t check_rgbx[5*4] =
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{
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0, 254, 253, 255,
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255, 0, 0, 255,
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0, 0, 0, 255,
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3, 2, 1, 255,
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9, 0, 127, 255,
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};
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// check packing
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uint8_t out24[5*3];
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const uint8_t check_bgr[5*3] =
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{
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253, 254, 0,
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0, 0, 255,
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0, 0, 0,
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1, 2, 3,
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127, 0, 9
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};
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const uint8_t check_rgb[5*3] =
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{
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0, 254, 253,
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255, 0, 0,
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0, 0, 0,
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3, 2, 1,
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9, 0, 127,
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};
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uint8_t out8[5];
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const uint8_t check_a[5] =
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{
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255, 255, 0, 64, 128
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};
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uint16_t out16[5];
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#define PACK_RGB565(b, g, r) (((b & 0xF8) >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8))
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const uint16_t check_16[5] =
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{
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PACK_RGB565(253, 254, 0),
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PACK_RGB565(0, 0, 255),
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PACK_RGB565(0, 0, 0),
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PACK_RGB565(1, 2, 3),
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PACK_RGB565(127, 0, 9),
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};
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SwizzleData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(out), SurfaceFormat::B8G8R8A8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_bgra));
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SwizzleData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(out), SurfaceFormat::R8G8B8A8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_rgba));
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SwizzleData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(out), SurfaceFormat::A8R8G8B8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_argb));
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SwizzleData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out, sizeof(out), SurfaceFormat::R8G8B8X8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out, check_rgbx));
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SwizzleData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out24, sizeof(out24), SurfaceFormat::B8G8R8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out24, check_bgr));
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SwizzleData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out24, sizeof(out24), SurfaceFormat::R8G8B8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out24, check_rgb));
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SwizzleData(in_bgra, sizeof(in_bgra), SurfaceFormat::B8G8R8A8,
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out8, sizeof(out8), SurfaceFormat::A8,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out8, check_a));
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SwizzleData(SurfaceFormat::A8R8G8B8_UINT32 == SurfaceFormat::A8R8G8B8 ? check_argb : check_bgra,
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sizeof(in_bgra), SurfaceFormat::A8R8G8B8_UINT32,
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reinterpret_cast<uint8_t*>(out16), sizeof(out16), SurfaceFormat::R5G6B5_UINT16,
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IntSize(5, 1));
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EXPECT_TRUE(PodEqual(out16, check_16));
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}
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@ -23,6 +23,7 @@ UNIFIED_SOURCES += [
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'TestRect.cpp',
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'TestRegion.cpp',
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'TestSkipChars.cpp',
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'TestSwizzle.cpp',
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# Hangs on linux in ApplyGdkScreenFontOptions
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#'gfxFontSelectionTest.cpp',
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'TestTextures.cpp',
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