Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Robert Phillips | e19babf | 2020-04-06 13:57:30 -0400 | [diff] [blame] | 8 | #include "include/core/SkCanvas.h" |
Robert Phillips | 6d344c3 | 2020-07-06 10:56:46 -0400 | [diff] [blame] | 9 | #include "include/gpu/GrDirectContext.h" |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 10 | #include "src/core/SkAutoPixmapStorage.h" |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 11 | #include "src/core/SkCompressedDataUtils.h" |
Mike Reed | 13711eb | 2020-07-14 17:16:32 -0400 | [diff] [blame] | 12 | #include "src/core/SkMipmap.h" |
Greg Daniel | 01f278c | 2020-06-12 16:58:17 -0400 | [diff] [blame] | 13 | #include "src/gpu/GrBackendUtils.h" |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 14 | #include "src/gpu/GrContextPriv.h" |
| 15 | #include "src/image/SkImage_Base.h" |
| 16 | #include "tests/Test.h" |
| 17 | #include "tests/TestUtils.h" |
| 18 | #include "tools/ToolUtils.h" |
| 19 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 20 | // Just verify that 'actual' is entirely 'expected' |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 21 | static void check_solid_pixmap(skiatest::Reporter* reporter, |
| 22 | const SkColor4f& expected, const SkPixmap& actual, |
| 23 | const char* label0, const char* label1, const char* label2) { |
| 24 | const float tols[4] = { 0.01f, 0.01f, 0.01f, 0.01f }; |
| 25 | |
| 26 | auto error = std::function<ComparePixmapsErrorReporter>( |
| 27 | [reporter, label0, label1, label2](int x, int y, const float diffs[4]) { |
| 28 | SkASSERT(x >= 0 && y >= 0); |
| 29 | ERRORF(reporter, "%s %s %s - mismatch at %d, %d (%f, %f, %f %f)", |
| 30 | label0, label1, label2, x, y, |
| 31 | diffs[0], diffs[1], diffs[2], diffs[3]); |
| 32 | }); |
| 33 | |
| 34 | CheckSolidPixels(expected, actual, tols, error); |
| 35 | } |
| 36 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 37 | // Create an SkImage to wrap 'backendTex' |
| 38 | sk_sp<SkImage> create_image(GrContext* context, const GrBackendTexture& backendTex) { |
Greg Daniel | 01f278c | 2020-06-12 16:58:17 -0400 | [diff] [blame] | 39 | SkImage::CompressionType compression = |
| 40 | GrBackendFormatToCompressionType(backendTex.getBackendFormat()); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 41 | |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 42 | SkAlphaType at = SkCompressionTypeIsOpaque(compression) ? kOpaque_SkAlphaType |
Robert Phillips | b085527 | 2020-01-15 12:56:52 -0500 | [diff] [blame] | 43 | : kPremul_SkAlphaType; |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 44 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 45 | return SkImage::MakeFromCompressedTexture(context, |
| 46 | backendTex, |
| 47 | kTopLeft_GrSurfaceOrigin, |
| 48 | at, |
| 49 | nullptr); |
| 50 | } |
| 51 | |
| 52 | // Draw the compressed backend texture (wrapped in an SkImage) into an RGBA surface, attempting |
| 53 | // to access all the mipMap levels. |
| 54 | static void check_compressed_mipmaps(GrContext* context, sk_sp<SkImage> img, |
| 55 | SkImage::CompressionType compressionType, |
| 56 | const SkColor4f expectedColors[6], |
| 57 | GrMipMapped mipMapped, |
| 58 | skiatest::Reporter* reporter, const char* label) { |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 59 | |
| 60 | SkImageInfo readbackSurfaceII = SkImageInfo::Make(32, 32, kRGBA_8888_SkColorType, |
| 61 | kPremul_SkAlphaType); |
| 62 | |
| 63 | sk_sp<SkSurface> surf = SkSurface::MakeRenderTarget(context, |
| 64 | SkBudgeted::kNo, |
| 65 | readbackSurfaceII, 1, |
| 66 | kTopLeft_GrSurfaceOrigin, |
| 67 | nullptr); |
| 68 | if (!surf) { |
| 69 | return; |
| 70 | } |
| 71 | |
| 72 | SkCanvas* canvas = surf->getCanvas(); |
| 73 | |
| 74 | SkPaint p; |
Robert Phillips | b085527 | 2020-01-15 12:56:52 -0500 | [diff] [blame] | 75 | p.setFilterQuality(kHigh_SkFilterQuality); // to force mipMapping |
| 76 | p.setBlendMode(SkBlendMode::kSrc); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 77 | |
| 78 | int numMipLevels = 1; |
| 79 | if (mipMapped == GrMipMapped::kYes) { |
Mike Reed | 13711eb | 2020-07-14 17:16:32 -0400 | [diff] [blame] | 80 | numMipLevels = SkMipmap::ComputeLevelCount(32, 32)+1; |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | for (int i = 0, rectSize = 32; i < numMipLevels; ++i, rectSize /= 2) { |
| 84 | SkASSERT(rectSize >= 1); |
| 85 | |
| 86 | canvas->clear(SK_ColorTRANSPARENT); |
| 87 | |
| 88 | SkRect r = SkRect::MakeWH(rectSize, rectSize); |
| 89 | canvas->drawImageRect(img, r, &p); |
| 90 | |
| 91 | SkImageInfo readbackII = SkImageInfo::Make(rectSize, rectSize, |
| 92 | kRGBA_8888_SkColorType, |
| 93 | kUnpremul_SkAlphaType); |
| 94 | SkAutoPixmapStorage actual2; |
| 95 | SkAssertResult(actual2.tryAlloc(readbackII)); |
| 96 | actual2.erase(SkColors::kTransparent); |
| 97 | |
| 98 | bool result = surf->readPixels(actual2, 0, 0); |
| 99 | REPORTER_ASSERT(reporter, result); |
| 100 | |
| 101 | SkString str; |
| 102 | str.appendf("mip-level %d", i); |
| 103 | |
| 104 | check_solid_pixmap(reporter, expectedColors[i], actual2, |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 105 | GrCompressionTypeToStr(compressionType), label, str.c_str()); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 106 | } |
| 107 | } |
| 108 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 109 | // Verify that we can readback from a compressed texture |
| 110 | static void check_readback(GrContext* context, sk_sp<SkImage> img, |
| 111 | SkImage::CompressionType compressionType, |
| 112 | const SkColor4f& expectedColor, |
| 113 | skiatest::Reporter* reporter, const char* label) { |
Robert Phillips | 314524e | 2020-01-30 08:38:40 -0500 | [diff] [blame] | 114 | #ifdef SK_BUILD_FOR_IOS |
| 115 | // reading back ETC2 is broken on Metal/iOS (skbug.com/9839) |
| 116 | if (context->backend() == GrBackendApi::kMetal) { |
| 117 | return; |
| 118 | } |
| 119 | #endif |
| 120 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 121 | SkAutoPixmapStorage actual; |
| 122 | |
| 123 | SkImageInfo readBackII = SkImageInfo::Make(img->width(), img->height(), |
| 124 | kRGBA_8888_SkColorType, |
| 125 | kUnpremul_SkAlphaType); |
| 126 | |
| 127 | SkAssertResult(actual.tryAlloc(readBackII)); |
| 128 | actual.erase(SkColors::kTransparent); |
| 129 | |
| 130 | bool result = img->readPixels(actual, 0, 0); |
| 131 | REPORTER_ASSERT(reporter, result); |
| 132 | |
| 133 | check_solid_pixmap(reporter, expectedColor, actual, |
| 134 | GrCompressionTypeToStr(compressionType), label, ""); |
| 135 | } |
| 136 | |
| 137 | // Test initialization of compressed GrBackendTextures to a specific color |
| 138 | static void test_compressed_color_init(GrContext* context, |
| 139 | skiatest::Reporter* reporter, |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 140 | std::function<GrBackendTexture (GrContext*, |
| 141 | const SkColor4f&, |
| 142 | GrMipMapped)> create, |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 143 | const SkColor4f& color, |
| 144 | SkImage::CompressionType compression, |
| 145 | GrMipMapped mipMapped) { |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 146 | GrBackendTexture backendTex = create(context, color, mipMapped); |
| 147 | if (!backendTex.isValid()) { |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 148 | return; |
| 149 | } |
| 150 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 151 | sk_sp<SkImage> img = create_image(context, backendTex); |
| 152 | if (!img) { |
| 153 | return; |
| 154 | } |
| 155 | |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 156 | SkColor4f expectedColors[6] = { color, color, color, color, color, color }; |
| 157 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 158 | check_compressed_mipmaps(context, img, compression, expectedColors, mipMapped, |
| 159 | reporter, "colorinit"); |
Greg Daniel | ceebe42 | 2020-07-14 15:05:42 +0000 | [diff] [blame] | 160 | check_readback(context, std::move(img), compression, color, reporter, |
| 161 | "solid readback"); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 162 | |
| 163 | context->deleteBackendTexture(backendTex); |
| 164 | } |
| 165 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 166 | // Create compressed data pulling the color for each mipmap level from 'levelColors'. |
Robert Phillips | ca0f837 | 2019-12-20 09:57:41 -0500 | [diff] [blame] | 167 | static std::unique_ptr<const char[]> make_compressed_data(SkImage::CompressionType compression, |
| 168 | SkColor4f levelColors[6], |
| 169 | GrMipMapped mipMapped) { |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 170 | SkISize dimensions { 32, 32 }; |
| 171 | |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 172 | int numMipLevels = 1; |
| 173 | if (mipMapped == GrMipMapped::kYes) { |
Mike Reed | 13711eb | 2020-07-14 17:16:32 -0400 | [diff] [blame] | 174 | numMipLevels = SkMipmap::ComputeLevelCount(dimensions.width(), dimensions.height()) + 1; |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 175 | } |
| 176 | |
Robert Phillips | ca0f837 | 2019-12-20 09:57:41 -0500 | [diff] [blame] | 177 | SkTArray<size_t> mipMapOffsets(numMipLevels); |
| 178 | |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 179 | size_t dataSize = SkCompressedDataSize(compression, dimensions, &mipMapOffsets, |
| 180 | mipMapped == GrMipMapped::kYes); |
Robert Phillips | ca0f837 | 2019-12-20 09:57:41 -0500 | [diff] [blame] | 181 | char* data = new char[dataSize]; |
| 182 | |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 183 | for (int level = 0; level < numMipLevels; ++level) { |
Robert Phillips | ca0f837 | 2019-12-20 09:57:41 -0500 | [diff] [blame] | 184 | // We have to do this a level at a time bc we might have a different color for |
| 185 | // each level |
| 186 | GrFillInCompressedData(compression, dimensions, |
| 187 | GrMipMapped::kNo, &data[mipMapOffsets[level]], levelColors[level]); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 188 | |
Brian Osman | 788b916 | 2020-02-07 10:36:46 -0500 | [diff] [blame] | 189 | dimensions = {std::max(1, dimensions.width() /2), std::max(1, dimensions.height()/2)}; |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | return std::unique_ptr<const char[]>(data); |
| 193 | } |
| 194 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 195 | // Verify that we can initialize a compressed backend texture with data (esp. |
| 196 | // the mipmap levels). |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 197 | static void test_compressed_data_init(GrContext* context, |
| 198 | skiatest::Reporter* reporter, |
| 199 | std::function<GrBackendTexture (GrContext*, |
| 200 | const char* data, |
| 201 | size_t dataSize, |
| 202 | GrMipMapped)> create, |
Robert Phillips | ca0f837 | 2019-12-20 09:57:41 -0500 | [diff] [blame] | 203 | SkImage::CompressionType compression, |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 204 | GrMipMapped mipMapped) { |
| 205 | |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 206 | SkColor4f expectedColors[6] = { |
| 207 | { 1.0f, 0.0f, 0.0f, 1.0f }, // R |
| 208 | { 0.0f, 1.0f, 0.0f, 1.0f }, // G |
| 209 | { 0.0f, 0.0f, 1.0f, 1.0f }, // B |
| 210 | { 0.0f, 1.0f, 1.0f, 1.0f }, // C |
| 211 | { 1.0f, 0.0f, 1.0f, 1.0f }, // M |
| 212 | { 1.0f, 1.0f, 0.0f, 1.0f }, // Y |
| 213 | }; |
| 214 | |
Robert Phillips | ca0f837 | 2019-12-20 09:57:41 -0500 | [diff] [blame] | 215 | std::unique_ptr<const char[]> data(make_compressed_data(compression, expectedColors, |
| 216 | mipMapped)); |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 217 | size_t dataSize = SkCompressedDataSize(compression, { 32, 32 }, nullptr, |
| 218 | mipMapped == GrMipMapped::kYes); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 219 | |
| 220 | GrBackendTexture backendTex = create(context, data.get(), dataSize, mipMapped); |
| 221 | if (!backendTex.isValid()) { |
| 222 | return; |
| 223 | } |
| 224 | |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 225 | sk_sp<SkImage> img = create_image(context, backendTex); |
| 226 | if (!img) { |
| 227 | return; |
| 228 | } |
| 229 | |
| 230 | check_compressed_mipmaps(context, img, compression, expectedColors, |
| 231 | mipMapped, reporter, "pixmap"); |
Greg Daniel | ceebe42 | 2020-07-14 15:05:42 +0000 | [diff] [blame] | 232 | check_readback(context, std::move(img), compression, expectedColors[0], reporter, |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 233 | "data readback"); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 234 | |
| 235 | context->deleteBackendTexture(backendTex); |
| 236 | } |
| 237 | |
| 238 | DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CompressedBackendAllocationTest, reporter, ctxInfo) { |
Robert Phillips | 6d344c3 | 2020-07-06 10:56:46 -0400 | [diff] [blame] | 239 | auto context = ctxInfo.directContext(); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 240 | const GrCaps* caps = context->priv().caps(); |
| 241 | |
| 242 | struct { |
| 243 | SkImage::CompressionType fCompression; |
| 244 | SkColor4f fColor; |
| 245 | } combinations[] = { |
Robert Phillips | c558f72 | 2020-01-13 13:02:26 -0500 | [diff] [blame] | 246 | { SkImage::CompressionType::kETC2_RGB8_UNORM, SkColors::kRed }, |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 247 | { SkImage::CompressionType::kBC1_RGB8_UNORM, SkColors::kBlue }, |
Robert Phillips | b085527 | 2020-01-15 12:56:52 -0500 | [diff] [blame] | 248 | { SkImage::CompressionType::kBC1_RGBA8_UNORM, SkColors::kTransparent }, |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 249 | }; |
| 250 | |
| 251 | for (auto combo : combinations) { |
| 252 | GrBackendFormat format = context->compressedBackendFormat(combo.fCompression); |
| 253 | if (!format.isValid()) { |
| 254 | continue; |
| 255 | } |
| 256 | |
| 257 | if (!caps->isFormatTexturable(format)) { |
| 258 | continue; |
| 259 | } |
| 260 | |
| 261 | for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) { |
| 262 | if (GrMipMapped::kYes == mipMapped && !caps->mipMapSupport()) { |
| 263 | continue; |
| 264 | } |
| 265 | |
| 266 | // color initialized |
| 267 | { |
| 268 | auto createWithColorMtd = [format](GrContext* context, |
| 269 | const SkColor4f& color, |
| 270 | GrMipMapped mipMapped) { |
| 271 | return context->createCompressedBackendTexture(32, 32, format, color, |
| 272 | mipMapped, GrProtected::kNo); |
| 273 | }; |
| 274 | |
| 275 | test_compressed_color_init(context, reporter, createWithColorMtd, |
Robert Phillips | 07f0e41 | 2020-01-17 15:20:00 -0500 | [diff] [blame] | 276 | combo.fColor, combo.fCompression, mipMapped); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | // data initialized |
| 280 | { |
| 281 | auto createWithDataMtd = [format](GrContext* context, |
| 282 | const char* data, size_t dataSize, |
| 283 | GrMipMapped mipMapped) { |
| 284 | return context->createCompressedBackendTexture(32, 32, format, data, dataSize, |
| 285 | mipMapped, GrProtected::kNo); |
| 286 | }; |
| 287 | |
Robert Phillips | ca0f837 | 2019-12-20 09:57:41 -0500 | [diff] [blame] | 288 | test_compressed_data_init(context, reporter, createWithDataMtd, |
| 289 | combo.fCompression, mipMapped); |
Robert Phillips | 3e5e2f2 | 2019-12-19 11:19:16 -0500 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | } |
| 293 | } |
| 294 | } |