showmiplevels.cpp revision e602f395813aab8242afad356008b8e79911adbb
13839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 23839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Copyright 2016 Google Inc. 33839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * 421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * Use of this source code is governed by a BSD-style license that can be 521c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * found in the LICENSE file. 621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o */ 721c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 821c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include "gm.h" 921c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include "sk_tool_utils.h" 103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "Resources.h" 123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "SkColorPriv.h" 133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "SkGradientShader.h" 143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "SkTypeface.h" 153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "SkStream.h" 163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "SkPaint.h" 173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "SkMipMap.h" 183839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "Resources.h" 193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#define SHOW_MIP_COLOR 0xFF000000 213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 22aa4115a47c554a936fdf5e6679e72a9329fecf45Theodore Ts'ostatic SkBitmap make_bitmap(int w, int h) { 233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkBitmap bm; 2421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o bm.allocN32Pixels(w, h); 25aa4115a47c554a936fdf5e6679e72a9329fecf45Theodore Ts'o SkCanvas canvas(bm); 263839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o canvas.clear(0xFFFFFFFF); 273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkPaint paint; 283839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o paint.setStyle(SkPaint::kStroke_Style); 293839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o paint.setStrokeWidth(w / 16.0f); 303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o paint.setColor(SHOW_MIP_COLOR); 313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o canvas.drawCircle(w/2.0f, h/2.0f, w/3.0f, paint); 323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return bm; 333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic SkBitmap make_bitmap2(int w, int h) { 363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkBitmap bm; 373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o bm.allocN32Pixels(w, h); 383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkCanvas canvas(bm); 393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o canvas.clear(0xFFFFFFFF); 403839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkPaint paint; 4150e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o paint.setColor(SHOW_MIP_COLOR); 4250e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o paint.setStyle(SkPaint::kStroke_Style); 4350e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o 443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkScalar inset = 2; 453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkRect r = SkRect::MakeIWH(w, h).makeInset(0.5f, 0.5f); 46342d847db355d81299218e07a1e58ece82080a04Theodore Ts'o while (r.width() > 4) { 47342d847db355d81299218e07a1e58ece82080a04Theodore Ts'o canvas.drawRect(r, paint); 4821c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o r.inset(inset, inset); 493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o inset += 1; 5050e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o } 5150e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o return bm; 5250e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o} 5350e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o 5450e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'o#include "SkNx.h" 5550e1e10fa0ac12a3e2a9d20a75ee9041873cda96Theodore Ts'ostatic SkBitmap make_bitmap3(int w, int h) { 563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkBitmap bm; 579d1bd3de8dd44603a8141dbe4f0b2057dbdc5ea7Theodore Ts'o bm.allocN32Pixels(w, h); 5854dc7ca2869897ae8cb81a9ab9880ebff11680bcTheodore Ts'o SkCanvas canvas(bm); 593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o canvas.clear(0xFFFFFFFF); 609d1bd3de8dd44603a8141dbe4f0b2057dbdc5ea7Theodore Ts'o SkPaint paint; 6154dc7ca2869897ae8cb81a9ab9880ebff11680bcTheodore Ts'o paint.setStyle(SkPaint::kStroke_Style); 621b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o paint.setStrokeWidth(2.1f); 633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o paint.setColor(SHOW_MIP_COLOR); 641b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o 651b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o SkScalar s = SkIntToScalar(w); 66aa4115a47c554a936fdf5e6679e72a9329fecf45Theodore Ts'o Sk4f p(s, -s, -s, s); 67fdbdea09b87dbd8e39c23286f22653e7641599aeTheodore Ts'o Sk4f d(5); 681b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o while (p[1] < s) { 691b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o canvas.drawLine(p[0],p[1], p[2], p[3], paint); 704c77fe50d97a773e32a4756c79dade3adbb6a601Theodore Ts'o p = p + d; 71f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 7254dc7ca2869897ae8cb81a9ab9880ebff11680bcTheodore Ts'o return bm; 73e8a3ee628ad693cbae231089b18886e6ba0e59d3Theodore Ts'o} 74e8a3ee628ad693cbae231089b18886e6ba0e59d3Theodore Ts'o 7521c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'oclass ShowMipLevels : public skiagm::GM { 763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o const int fN; 773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkBitmap fBM[4]; 7886c627ec1136446409a0170d439e60c148e6eb48Theodore Ts'o 791917875fcd16428d14eb5a86acf414472bc216f1Theodore Ts'opublic: 801917875fcd16428d14eb5a86acf414472bc216f1Theodore Ts'o static unsigned gamma(unsigned n) { 81246501c612cb8309dc81b354b785405bbeef05ceTheodore Ts'o float x = n / 255.0f; 829d1bd3de8dd44603a8141dbe4f0b2057dbdc5ea7Theodore Ts'o#if 0 83246501c612cb8309dc81b354b785405bbeef05ceTheodore Ts'o x = sqrtf(x); 84246501c612cb8309dc81b354b785405bbeef05ceTheodore Ts'o#else 85f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (x > 0.0031308f) { 8621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o x = 1.055f * (powf(x, (1.0f / 2.4f))) - 0.055f; 871b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o } else { 883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o x = 12.92f * x; 893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#endif 9186c627ec1136446409a0170d439e60c148e6eb48Theodore Ts'o return (int)(x * 255); 923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o static void apply_gamma(const SkBitmap& bm) { 95f8188fff23dc2d9c9f858fb21264e46b17672825Theodore Ts'o return; // below is our experiment for sRGB correction 96f8188fff23dc2d9c9f858fb21264e46b17672825Theodore Ts'o for (int y = 0; y < bm.height(); ++y) { 97f8188fff23dc2d9c9f858fb21264e46b17672825Theodore Ts'o for (int x = 0; x < bm.width(); ++x) { 98f8188fff23dc2d9c9f858fb21264e46b17672825Theodore Ts'o SkPMColor c = *bm.getAddr32(x, y); 99f8188fff23dc2d9c9f858fb21264e46b17672825Theodore Ts'o unsigned r = gamma(SkGetPackedR32(c)); 1003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o unsigned g = gamma(SkGetPackedG32(c)); 1013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o unsigned b = gamma(SkGetPackedB32(c)); 1023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o *bm.getAddr32(x, y) = SkPackARGB32(0xFF, r, g, b); 1033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1067823dd65722c50eeca98b2dde1c9a629e72fffe7Theodore Ts'o 1077823dd65722c50eeca98b2dde1c9a629e72fffe7Theodore Ts'o ShowMipLevels(int N) : fN(N) { } 108246501c612cb8309dc81b354b785405bbeef05ceTheodore Ts'o 1093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oprotected: 110f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 111f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o SkString onShortName() override { 112f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o SkString str; 113f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o str.printf("showmiplevels_%d", fN); 114f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o return str; 11508b213017f8371ce4b56ad4d368eb0f92211d04eTheodore Ts'o } 11608b213017f8371ce4b56ad4d368eb0f92211d04eTheodore Ts'o 117f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o SkISize onISize() override { return { 150, 862 }; } 118f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 1197cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o static void DrawAndFrame(SkCanvas* canvas, const SkBitmap& orig, SkScalar x, SkScalar y) { 1207cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o SkBitmap bm; 1217cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o sk_tool_utils::copy_to(&bm, orig.colorType(), orig); 1221dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o apply_gamma(bm); 1231dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o 1241dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o canvas->drawBitmap(bm, x, y, nullptr); 1251dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o SkPaint paint; 1267cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o paint.setStyle(SkPaint::kStroke_Style); 1277cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o paint.setColor(0xFFFFCCCC); 1287cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o canvas->drawRect(SkRect::MakeIWH(bm.width(), bm.height()).makeOffset(x, y).makeOutset(0.5f, 0.5f), paint); 1297cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o } 1307cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o 1317fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o template <typename F> void drawLevels(SkCanvas* canvas, const SkBitmap& baseBM, F func) { 132bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o SkScalar x = 4; 133bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o SkScalar y = 4; 134a40ecbb1fc4811201c6ab40292ac3aef1bca54afTheodore Ts'o 135bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o SkPixmap prevPM; 13653abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o baseBM.peekPixels(&prevPM); 137bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o 138a40ecbb1fc4811201c6ab40292ac3aef1bca54afTheodore Ts'o SkDestinationSurfaceColorMode colorMode = SkDestinationSurfaceColorMode::kLegacy; 1397fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o sk_sp<SkMipMap> mm(SkMipMap::Build(baseBM, colorMode, nullptr)); 1407fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o 1417fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o int index = 0; 1427fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o SkMipMap::Level level; 1437fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o SkScalar scale = 0.5f; 1447fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o while (mm->extractLevel(SkSize::Make(scale, scale), &level)) { 1457fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o SkBitmap bm = func(prevPM, level.fPixmap); 1467fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o DrawAndFrame(canvas, bm, x, y); 1477fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o 1487fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o if (level.fPixmap.width() <= 2 || level.fPixmap.height() <= 2) { 14901fbc701413a4975e6ed551ae6ccb8bb791ea515Theodore Ts'o break; 1507fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o } 1517fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o if (index & 1) { 1527fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o x += level.fPixmap.width() + 4; 1537fdfabd3217ebe23b36063d561fc79960275db42Theodore Ts'o } else { 1547cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o y += level.fPixmap.height() + 4; 1557cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o } 1567cf73dcd3d173d88ceab26d381f4abac362d8518Theodore Ts'o scale /= 2; 15753abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o prevPM = level.fPixmap; 15853abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o index += 1; 15959f27247f81fb662ef3b2589b3cceb198ff4dbcaAndreas Dilger } 16053abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o } 16153abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o 16253abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o void drawSet(SkCanvas* canvas, const SkBitmap& orig) { 16353abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o SkAutoCanvasRestore acr(canvas, true); 16453abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o 16553abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o drawLevels(canvas, orig, [](const SkPixmap& prev, const SkPixmap& curr) { 16653abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o SkBitmap bm; 16753abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o bm.installPixels(curr); 16853abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o return bm; 16953abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o }); 17053abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o } 17153abed0afafec661fd923cb9cd9f0eee891ccbdeTheodore Ts'o 1726fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o void onOnceBeforeDraw() override { 17367052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger fBM[0] = sk_tool_utils::create_checkerboard_bitmap(fN, fN, SK_ColorBLACK, SK_ColorWHITE, 2); 17467052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger fBM[1] = make_bitmap(fN, fN); 17567052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger fBM[2] = make_bitmap2(fN, fN); 176bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o fBM[3] = make_bitmap3(fN, fN); 177bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o } 17867052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger 179b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger void onDraw(SkCanvas* canvas) override { 180d007cb4cbb4b8b190ffd9a597f0e88ea365926c5Theodore Ts'o canvas->translate(4, 4); 18167052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger for (const auto& bm : fBM) { 182bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o this->drawSet(canvas, bm); 183bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'o // round so we always produce an integral translate, so the GOLD tool won't show 18467052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger // unimportant diffs if this is drawn on a GPU with different rounding rules 18567052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger // since we draw the bitmaps using nearest-neighbor 18667052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger canvas->translate(0, SkScalarRoundToScalar(bm.height() * 0.85f)); 187b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger } 188d007cb4cbb4b8b190ffd9a597f0e88ea365926c5Theodore Ts'o } 189d007cb4cbb4b8b190ffd9a597f0e88ea365926c5Theodore Ts'o 190d007cb4cbb4b8b190ffd9a597f0e88ea365926c5Theodore Ts'oprivate: 19167052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger typedef skiagm::GM INHERITED; 19267052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger}; 19367052a8aeeca8cd80d1dd33c2792f917573accc8Andreas DilgerDEF_GM( return new ShowMipLevels(255); ) 19467052a8aeeca8cd80d1dd33c2792f917573accc8Andreas DilgerDEF_GM( return new ShowMipLevels(256); ) 19567052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger 196b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger/////////////////////////////////////////////////////////////////////////////////////////////////// 197b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger 198b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilgervoid copy_to(SkBitmap* dst, SkColorType dstColorType, const SkBitmap& src) { 199b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger if (kGray_8_SkColorType == dstColorType) { 200b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger return sk_tool_utils::copy_to_g8(dst, src); 201b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger } 202b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger 20367052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger const SkBitmap* srcPtr = &src; 204b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger SkBitmap tmp(src); 20567052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger if (kRGB_565_SkColorType == dstColorType) { 20667052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger tmp.setAlphaType(kOpaque_SkAlphaType); 207b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger srcPtr = &tmp; 208b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger } 20967052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger 21067052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger sk_tool_utils::copy_to(dst, dstColorType, *srcPtr); 211b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger} 212b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger 21367052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger/** 21467052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger * Show mip levels that were built, for all supported colortypes 21567052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilger */ 21667052a8aeeca8cd80d1dd33c2792f917573accc8Andreas Dilgerclass ShowMipLevels2 : public skiagm::GM { 21701fbc701413a4975e6ed551ae6ccb8bb791ea515Theodore Ts'o const int fW, fH; 21801fbc701413a4975e6ed551ae6ccb8bb791ea515Theodore Ts'o SkBitmap fBM[4]; 2196fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o 220bcf9c5d4016975c3c2afdb4a4b358569bd3c8681Theodore Ts'opublic: 2216fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o ShowMipLevels2(int w, int h) : fW(w), fH(h) { } 2226fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o 223b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilgerprotected: 2246fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o 2256fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o SkString onShortName() override { 2266fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o SkString str; 2276fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o str.printf("showmiplevels2_%dx%d", fW, fH); 2286fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o return str; 229b94a052a25d0c524209782e408c31d8ff25a6fe1Andreas Dilger } 2306fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o 2316fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o SkISize onISize() override { 2326fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o return { 824, 862 }; 233d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o } 234d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o 235d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o static void DrawAndFrame(SkCanvas* canvas, const SkBitmap& bm, SkScalar x, SkScalar y) { 236d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o canvas->drawBitmap(bm, x, y, nullptr); 237d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o SkPaint paint; 238d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o paint.setStyle(SkPaint::kStroke_Style); 239d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o paint.setColor(0xFFFFCCCC); 240d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o canvas->drawRect(SkRect::MakeIWH(bm.width(), bm.height()).makeOffset(x, y).makeOutset(0.5f, 0.5f), paint); 24185645a6ff34c4c6c4daa92839a93499cb9f4a778Theodore Ts'o } 242d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o 243d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o void drawLevels(SkCanvas* canvas, const SkBitmap& baseBM) { 24485645a6ff34c4c6c4daa92839a93499cb9f4a778Theodore Ts'o SkScalar x = 4; 245d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o SkScalar y = 4; 246d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o 247d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o SkDestinationSurfaceColorMode colorMode = SkDestinationSurfaceColorMode::kLegacy; 248fdbdea09b87dbd8e39c23286f22653e7641599aeTheodore Ts'o sk_sp<SkMipMap> mm(SkMipMap::Build(baseBM, colorMode, nullptr)); 249d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o 250d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o int index = 0; 251d647a1ea4db5fa4e4ed48573c63a1bde56e071dbTheodore Ts'o SkMipMap::Level level; 2526fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o SkScalar scale = 0.5f; 25308b213017f8371ce4b56ad4d368eb0f92211d04eTheodore Ts'o while (mm->extractLevel(SkSize::Make(scale, scale), &level)) { 2543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkBitmap bm; 2559d1bd3de8dd44603a8141dbe4f0b2057dbdc5ea7Theodore Ts'o bm.installPixels(level.fPixmap); 25631e29a12d1e22745c74afe47bf172a3c73280dd9Theodore Ts'o DrawAndFrame(canvas, bm, x, y); 2571b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o 25886c627ec1136446409a0170d439e60c148e6eb48Theodore Ts'o if (level.fPixmap.width() <= 2 || level.fPixmap.height() <= 2) { 2593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 2603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 2613839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (index & 1) { 2628bf191e8660939687ef35c013066d2082cb16722Theodore Ts'o x += level.fPixmap.width() + 4; 2633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } else { 2648bf191e8660939687ef35c013066d2082cb16722Theodore Ts'o y += level.fPixmap.height() + 4; 2651e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 26621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o scale /= 2; 267f8188fff23dc2d9c9f858fb21264e46b17672825Theodore Ts'o index += 1; 2685dd8f963d04fa4099a003cb3b13ffae05ab29210Theodore Ts'o } 2696fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o } 2703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2718bf191e8660939687ef35c013066d2082cb16722Theodore Ts'o void drawSet(SkCanvas* canvas, const SkBitmap& orig) { 2723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o const SkColorType ctypes[] = { 2738bf191e8660939687ef35c013066d2082cb16722Theodore Ts'o kN32_SkColorType, kRGB_565_SkColorType, kARGB_4444_SkColorType, kGray_8_SkColorType 2741b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o }; 2751b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o 2761b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o SkAutoCanvasRestore acr(canvas, true); 2771b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o 2783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (auto ctype : ctypes) { 2793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o SkBitmap bm; 2803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o copy_to(&bm, ctype, orig); 2813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o drawLevels(canvas, bm); 2823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o canvas->translate(orig.width()/2 + 8.0f, 0); 283932a489cdf6bc83d69e59d3f8e0a57b733799ce1Andreas Dilger } 284932a489cdf6bc83d69e59d3f8e0a57b733799ce1Andreas Dilger } 285932a489cdf6bc83d69e59d3f8e0a57b733799ce1Andreas Dilger 286932a489cdf6bc83d69e59d3f8e0a57b733799ce1Andreas Dilger void onOnceBeforeDraw() override { 287932a489cdf6bc83d69e59d3f8e0a57b733799ce1Andreas Dilger fBM[0] = sk_tool_utils::create_checkerboard_bitmap(fW, fH, 288932a489cdf6bc83d69e59d3f8e0a57b733799ce1Andreas Dilger SHOW_MIP_COLOR, SK_ColorWHITE, 2); 289932a489cdf6bc83d69e59d3f8e0a57b733799ce1Andreas Dilger fBM[1] = make_bitmap(fW, fH); 2907823dd65722c50eeca98b2dde1c9a629e72fffe7Theodore Ts'o fBM[2] = make_bitmap2(fW, fH); 2919d1bd3de8dd44603a8141dbe4f0b2057dbdc5ea7Theodore Ts'o fBM[3] = make_bitmap3(fW, fH); 2929d1bd3de8dd44603a8141dbe4f0b2057dbdc5ea7Theodore Ts'o } 2936fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o 2946fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o void onDraw(SkCanvas* canvas) override { 2956fdc7a325c8bff67fc3a0489d0858bc7c48dc1a3Theodore Ts'o canvas->translate(4, 4); 2963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (const auto& bm : fBM) { 2973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o this->drawSet(canvas, bm); 2983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o // round so we always produce an integral translate, so the GOLD tool won't show 2990c4a07264e55b42c6e30230e66b1dea7d4b94ea9Theodore Ts'o // unimportant diffs if this is drawn on a GPU with different rounding rules 3001b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o // since we draw the bitmaps using nearest-neighbor 3011b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o canvas->translate(0, SkScalarRoundToScalar(bm.height() * 0.85f)); 3021b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o } 3031b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'o } 30408b213017f8371ce4b56ad4d368eb0f92211d04eTheodore Ts'o 30508b213017f8371ce4b56ad4d368eb0f92211d04eTheodore Ts'oprivate: 3063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o typedef skiagm::GM INHERITED; 3070c4a07264e55b42c6e30230e66b1dea7d4b94ea9Theodore Ts'o}; 3080c4a07264e55b42c6e30230e66b1dea7d4b94ea9Theodore Ts'oDEF_GM( return new ShowMipLevels2(255, 255); ) 3091b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'oDEF_GM( return new ShowMipLevels2(256, 255); ) 3101b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'oDEF_GM( return new ShowMipLevels2(255, 256); ) 3111b6bf1759af884957234b7dce768b785f792abd0Theodore Ts'oDEF_GM( return new ShowMipLevels2(256, 256); ) 31208b213017f8371ce4b56ad4d368eb0f92211d04eTheodore Ts'o