Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 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 | |
| 8 | #include "include/core/SkTypes.h" // IWYU pragma: keep |
| 9 | |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 10 | #if !defined(SK_BUILD_FOR_GOOGLE3) // Google3 doesn't have etc1.h |
Robert Phillips | 3da9e94 | 2020-01-27 21:05:23 +0000 | [diff] [blame] | 11 | |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 12 | #include "gm/gm.h" |
| 13 | #include "include/core/SkBitmap.h" |
| 14 | #include "include/core/SkCanvas.h" |
| 15 | #include "include/core/SkColor.h" |
| 16 | #include "include/core/SkData.h" |
| 17 | #include "include/core/SkImage.h" |
| 18 | #include "include/core/SkImageInfo.h" |
| 19 | #include "include/core/SkPath.h" |
| 20 | #include "include/core/SkRect.h" |
| 21 | #include "include/core/SkRefCnt.h" |
| 22 | #include "include/core/SkSize.h" |
| 23 | #include "include/core/SkString.h" |
Robert Phillips | 95c250c | 2020-06-29 15:36:12 -0400 | [diff] [blame] | 24 | #include "include/gpu/GrContext.h" |
Robert Phillips | b7bfbc2 | 2020-07-01 12:55:01 -0400 | [diff] [blame] | 25 | #include "include/gpu/GrRecordingContext.h" |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 26 | #include "src/core/SkCompressedDataUtils.h" |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 27 | #include "src/core/SkMipMap.h" |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 28 | #include "src/gpu/GrContextPriv.h" |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 29 | #include "src/gpu/GrDataUtils.h" |
Robert Phillips | 95c250c | 2020-06-29 15:36:12 -0400 | [diff] [blame] | 30 | #include "src/gpu/GrRecordingContextPriv.h" |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 31 | #include "src/image/SkImage_Base.h" |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 32 | #include "third_party/etc1/etc1.h" |
| 33 | |
| 34 | class GrContext; |
| 35 | class GrRenderTargetContext; |
| 36 | |
| 37 | static SkPoint gen_pt(float angle, const SkVector& scale) { |
| 38 | SkScalar s = SkScalarSin(angle); |
| 39 | SkScalar c = SkScalarCos(angle); |
| 40 | |
| 41 | return { scale.fX * c, scale.fY * s }; |
| 42 | } |
| 43 | |
| 44 | // The resulting path will be centered at (0,0) and its size will match 'dimensions' |
| 45 | static SkPath make_gear(SkISize dimensions, int numTeeth) { |
| 46 | SkVector outerRad{ dimensions.fWidth / 2.0f, dimensions.fHeight / 2.0f }; |
| 47 | SkVector innerRad{ dimensions.fWidth / 2.5f, dimensions.fHeight / 2.5f }; |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 48 | const float kAnglePerTooth = 2.0f * SK_ScalarPI / (3 * numTeeth); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 49 | |
| 50 | float angle = 0.0f; |
| 51 | |
| 52 | SkPath tmp; |
| 53 | tmp.setFillType(SkPathFillType::kWinding); |
| 54 | |
| 55 | tmp.moveTo(gen_pt(angle, outerRad)); |
| 56 | |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 57 | for (int i = 0; i < numTeeth; ++i, angle += 3*kAnglePerTooth) { |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 58 | tmp.lineTo(gen_pt(angle+kAnglePerTooth, outerRad)); |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 59 | tmp.lineTo(gen_pt(angle+(1.5f*kAnglePerTooth), innerRad)); |
| 60 | tmp.lineTo(gen_pt(angle+(2.5f*kAnglePerTooth), innerRad)); |
| 61 | tmp.lineTo(gen_pt(angle+(3.0f*kAnglePerTooth), outerRad)); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | tmp.close(); |
| 65 | |
Brian Osman | 788b916 | 2020-02-07 10:36:46 -0500 | [diff] [blame] | 66 | float fInnerRad = 0.1f * std::min(dimensions.fWidth, dimensions.fHeight); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 67 | if (fInnerRad > 0.5f) { |
| 68 | tmp.addCircle(0.0f, 0.0f, fInnerRad, SkPathDirection::kCCW); |
| 69 | } |
| 70 | |
| 71 | return tmp; |
| 72 | } |
| 73 | |
| 74 | // Render one level of a mipmap |
| 75 | SkBitmap render_level(SkISize dimensions, SkColor color, SkColorType colorType, bool opaque) { |
| 76 | SkPath path = make_gear(dimensions, 9); |
| 77 | |
| 78 | SkImageInfo ii = SkImageInfo::Make(dimensions.width(), dimensions.height(), |
| 79 | colorType, opaque ? kOpaque_SkAlphaType |
| 80 | : kPremul_SkAlphaType); |
| 81 | SkBitmap bm; |
| 82 | bm.allocPixels(ii); |
| 83 | |
| 84 | bm.eraseColor(opaque ? SK_ColorBLACK : SK_ColorTRANSPARENT); |
| 85 | |
| 86 | SkCanvas c(bm); |
| 87 | |
| 88 | SkPaint paint; |
| 89 | paint.setColor(color | 0xFF000000); |
| 90 | paint.setAntiAlias(false); |
| 91 | |
| 92 | c.translate(dimensions.width() / 2.0f, dimensions.height() / 2.0f); |
| 93 | c.drawPath(path, paint); |
| 94 | |
| 95 | return bm; |
| 96 | } |
| 97 | |
| 98 | // Create the compressed data blob needed to represent a mipmapped 2-color texture of the specified |
| 99 | // compression format. In this case 2-color means either opaque black or transparent black plus |
| 100 | // one other color. |
| 101 | // Note that ETC1/ETC2_RGB8_UNORM only supports 565 opaque textures. |
| 102 | static sk_sp<SkData> make_compressed_data(SkISize dimensions, |
| 103 | SkColorType colorType, |
| 104 | bool opaque, |
| 105 | SkImage::CompressionType compression) { |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 106 | size_t totalSize = SkCompressedDataSize(compression, dimensions, nullptr, true); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 107 | |
| 108 | sk_sp<SkData> tmp = SkData::MakeUninitialized(totalSize); |
| 109 | char* pixels = (char*) tmp->writable_data(); |
| 110 | |
| 111 | int numMipLevels = SkMipMap::ComputeLevelCount(dimensions.width(), dimensions.height()) + 1; |
| 112 | |
| 113 | size_t offset = 0; |
| 114 | |
| 115 | // Use a different color for each mipmap level so we can visually evaluate the draws |
| 116 | static const SkColor kColors[] = { |
| 117 | SK_ColorRED, |
| 118 | SK_ColorGREEN, |
| 119 | SK_ColorBLUE, |
| 120 | SK_ColorCYAN, |
| 121 | SK_ColorMAGENTA, |
| 122 | SK_ColorYELLOW, |
| 123 | SK_ColorWHITE, |
| 124 | }; |
| 125 | |
| 126 | for (int i = 0; i < numMipLevels; ++i) { |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 127 | size_t levelSize = SkCompressedDataSize(compression, dimensions, nullptr, false); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 128 | |
| 129 | SkBitmap bm = render_level(dimensions, kColors[i%7], colorType, opaque); |
| 130 | if (compression == SkImage::CompressionType::kETC2_RGB8_UNORM) { |
| 131 | SkASSERT(bm.colorType() == kRGB_565_SkColorType); |
| 132 | SkASSERT(opaque); |
| 133 | |
| 134 | if (etc1_encode_image((unsigned char*)bm.getAddr16(0, 0), |
| 135 | bm.width(), bm.height(), 2, bm.rowBytes(), |
| 136 | (unsigned char*) &pixels[offset])) { |
| 137 | return nullptr; |
| 138 | } |
| 139 | } else { |
| 140 | GrTwoColorBC1Compress(bm.pixmap(), kColors[i%7], &pixels[offset]); |
| 141 | } |
| 142 | |
| 143 | offset += levelSize; |
Brian Osman | 788b916 | 2020-02-07 10:36:46 -0500 | [diff] [blame] | 144 | dimensions = {std::max(1, dimensions.width()/2), std::max(1, dimensions.height()/2)}; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | return tmp; |
| 148 | } |
| 149 | |
| 150 | // Basic test of Ganesh's ETC1 and BC1 support |
| 151 | // The layout is: |
| 152 | // ETC2 BC1 |
| 153 | // -------------------------------------- |
| 154 | // RGB8 | kETC2_RGB8_UNORM | kBC1_RGB8_UNORM | |
| 155 | // |--------------------------------------| |
| 156 | // RGBA8 | | kBC1_RGBA8_UNORM | |
| 157 | // -------------------------------------- |
| 158 | // |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 159 | // The nonPowerOfTwo and nonMultipleOfFour cases exercise some compression edge cases. |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 160 | class CompressedTexturesGM : public skiagm::GM { |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 161 | public: |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 162 | enum class Type { |
| 163 | kNormal, |
| 164 | kNonPowerOfTwo, |
| 165 | kNonMultipleOfFour |
| 166 | }; |
| 167 | |
| 168 | CompressedTexturesGM(Type type) : fType(type) { |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 169 | this->setBGColor(0xFFCCCCCC); |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 170 | |
| 171 | switch (fType) { |
| 172 | case Type::kNonPowerOfTwo: |
| 173 | // These dimensions force the top two mip levels to be 1x3 and 1x1 |
| 174 | fImgDimensions.set(20, 60); |
| 175 | break; |
| 176 | case Type::kNonMultipleOfFour: |
| 177 | // These dimensions force the top three mip levels to be 1x7, 1x3 and 1x1 |
| 178 | fImgDimensions.set(13, 61); // prime numbers - just bc |
| 179 | break; |
| 180 | default: |
| 181 | fImgDimensions.set(kBaseTexWidth, kBaseTexHeight); |
| 182 | break; |
| 183 | } |
| 184 | |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | protected: |
| 188 | SkString onShortName() override { |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 189 | SkString name("compressed_textures"); |
| 190 | |
| 191 | if (fType == Type::kNonPowerOfTwo) { |
| 192 | name.append("_npot"); |
| 193 | } else if (fType == Type::kNonMultipleOfFour) { |
| 194 | name.append("_nmof"); |
| 195 | } |
| 196 | |
| 197 | return name; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | SkISize onISize() override { |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 201 | return SkISize::Make(2*kCellWidth + 3*kPad, 2*kBaseTexHeight + 3*kPad); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | void onOnceBeforeDraw() override { |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 205 | fOpaqueETC2Data = make_compressed_data(fImgDimensions, kRGB_565_SkColorType, true, |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 206 | SkImage::CompressionType::kETC2_RGB8_UNORM); |
| 207 | |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 208 | fOpaqueBC1Data = make_compressed_data(fImgDimensions, kRGBA_8888_SkColorType, true, |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 209 | SkImage::CompressionType::kBC1_RGB8_UNORM); |
Robert Phillips | b085527 | 2020-01-15 12:56:52 -0500 | [diff] [blame] | 210 | |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 211 | fTransparentBC1Data = make_compressed_data(fImgDimensions, kRGBA_8888_SkColorType, false, |
Robert Phillips | b085527 | 2020-01-15 12:56:52 -0500 | [diff] [blame] | 212 | SkImage::CompressionType::kBC1_RGBA8_UNORM); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 213 | } |
| 214 | |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 215 | void onDraw(SkCanvas* canvas) override { |
| 216 | GrContext* context = canvas->getGrContext(); |
| 217 | |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 218 | this->drawCell(context, canvas, fOpaqueETC2Data, |
| 219 | SkImage::CompressionType::kETC2_RGB8_UNORM, { kPad, kPad }); |
| 220 | |
| 221 | this->drawCell(context, canvas, fOpaqueBC1Data, |
| 222 | SkImage::CompressionType::kBC1_RGB8_UNORM, { 2*kPad + kCellWidth, kPad }); |
Robert Phillips | b085527 | 2020-01-15 12:56:52 -0500 | [diff] [blame] | 223 | |
| 224 | this->drawCell(context, canvas, fTransparentBC1Data, |
| 225 | SkImage::CompressionType::kBC1_RGBA8_UNORM, |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 226 | { 2*kPad + kCellWidth, 2*kPad + kBaseTexHeight }); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | private: |
| 230 | void drawCell(GrContext* context, SkCanvas* canvas, sk_sp<SkData> data, |
| 231 | SkImage::CompressionType compression, SkIVector offset) { |
| 232 | |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 233 | sk_sp<SkImage> image; |
| 234 | if (context) { |
Robert Phillips | 45c9487 | 2020-01-28 15:59:31 -0500 | [diff] [blame] | 235 | image = SkImage::MakeTextureFromCompressed(context, std::move(data), |
| 236 | fImgDimensions.width(), |
| 237 | fImgDimensions.height(), |
| 238 | compression, GrMipMapped::kYes); |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 239 | } else { |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 240 | image = SkImage::MakeRasterFromCompressed(std::move(data), |
| 241 | fImgDimensions.width(), |
| 242 | fImgDimensions.height(), |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 243 | compression); |
| 244 | } |
| 245 | if (!image) { |
| 246 | return; |
| 247 | } |
| 248 | |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 249 | SkISize levelDimensions = fImgDimensions; |
| 250 | int numMipLevels = SkMipMap::ComputeLevelCount(levelDimensions.width(), |
| 251 | levelDimensions.height()) + 1; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 252 | |
Robert Phillips | e073552 | 2020-01-31 11:03:32 -0500 | [diff] [blame] | 253 | SkPaint imagePaint; |
| 254 | imagePaint.setFilterQuality(kHigh_SkFilterQuality); // to force mipmapping |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 255 | |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 256 | bool isCompressed = false; |
| 257 | if (image->isTextureBacked()) { |
| 258 | const GrCaps* caps = context->priv().caps(); |
| 259 | |
| 260 | GrTextureProxy* proxy = as_IB(image)->peekProxy(); |
| 261 | isCompressed = caps->isFormatCompressed(proxy->backendFormat()); |
| 262 | } |
| 263 | |
Robert Phillips | e073552 | 2020-01-31 11:03:32 -0500 | [diff] [blame] | 264 | SkPaint redStrokePaint; |
| 265 | redStrokePaint.setColor(SK_ColorRED); |
| 266 | redStrokePaint.setStyle(SkPaint::kStroke_Style); |
Robert Phillips | 99dead9 | 2020-01-27 16:11:57 -0500 | [diff] [blame] | 267 | |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 268 | for (int i = 0; i < numMipLevels; ++i) { |
| 269 | SkRect r = SkRect::MakeXYWH(offset.fX, offset.fY, |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 270 | levelDimensions.width(), levelDimensions.height()); |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 271 | |
Robert Phillips | e073552 | 2020-01-31 11:03:32 -0500 | [diff] [blame] | 272 | canvas->drawImageRect(image, r, &imagePaint); |
| 273 | if (!isCompressed) { |
| 274 | // Make it obvious which drawImages used decompressed images |
| 275 | canvas->drawRect(r, redStrokePaint); |
| 276 | } |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 277 | |
| 278 | if (i == 0) { |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 279 | offset.fX += levelDimensions.width()+1; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 280 | } else { |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 281 | offset.fY += levelDimensions.height()+1; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 282 | } |
| 283 | |
Brian Osman | 788b916 | 2020-02-07 10:36:46 -0500 | [diff] [blame] | 284 | levelDimensions = {std::max(1, levelDimensions.width()/2), |
| 285 | std::max(1, levelDimensions.height()/2)}; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 286 | } |
| 287 | } |
| 288 | |
| 289 | static const int kPad = 8; |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 290 | static const int kBaseTexWidth = 64; |
| 291 | static const int kCellWidth = 1.5f * kBaseTexWidth; |
| 292 | static const int kBaseTexHeight = 64; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 293 | |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 294 | Type fType; |
| 295 | SkISize fImgDimensions; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 296 | sk_sp<SkData> fOpaqueETC2Data; |
| 297 | sk_sp<SkData> fOpaqueBC1Data; |
Robert Phillips | b085527 | 2020-01-15 12:56:52 -0500 | [diff] [blame] | 298 | sk_sp<SkData> fTransparentBC1Data; |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 299 | |
| 300 | typedef GM INHERITED; |
| 301 | }; |
| 302 | |
| 303 | ////////////////////////////////////////////////////////////////////////////// |
| 304 | |
Robert Phillips | 162e04b | 2020-01-28 14:22:43 -0500 | [diff] [blame] | 305 | DEF_GM(return new CompressedTexturesGM(CompressedTexturesGM::Type::kNormal);) |
| 306 | DEF_GM(return new CompressedTexturesGM(CompressedTexturesGM::Type::kNonPowerOfTwo);) |
| 307 | DEF_GM(return new CompressedTexturesGM(CompressedTexturesGM::Type::kNonMultipleOfFour);) |
Robert Phillips | ac90802 | 2020-01-14 16:54:17 -0500 | [diff] [blame] | 308 | |
Robert Phillips | 3da9e94 | 2020-01-27 21:05:23 +0000 | [diff] [blame] | 309 | #endif |