1c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck/* 2c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck * Copyright 2016 Google Inc. 3c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck * 4c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck * Use of this source code is governed by a BSD-style license that can be 5c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck * found in the LICENSE file. 6c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck */ 7c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 8c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck#include "gm.h" 933d2055e594177b27360f84e0631b26d74a55a9bMike Klein#include "sk_tool_utils.h" 10c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck#include "SkLightingShader.h" 11c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck#include "SkNormalSource.h" 12c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck#include "SkPoint3.h" 13c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck#include "SkShader.h" 14c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 15c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck// Create a truncated pyramid normal map 16c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeckstatic SkBitmap make_frustum_normalmap(int texSize) { 17c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkBitmap frustum; 18c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck frustum.allocN32Pixels(texSize, texSize); 19c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 20c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_tool_utils::create_frustum_normal_map(&frustum, SkIRect::MakeWH(texSize, texSize)); 21c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck return frustum; 22c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck} 23c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 24c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbecknamespace skiagm { 25c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 26c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck// This GM exercises lighting shaders. Specifically, nullptr arguments, scaling when using 276ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck// normal maps, paint transparency, zero directional lights, multiple directional lights. 28c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeckclass LightingShader2GM : public GM { 29c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeckpublic: 30c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck LightingShader2GM() { 31c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC)); 32c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 33c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 34c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeckprotected: 35c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkString onShortName() override { 36c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck return SkString("lightingshader2"); 37c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 38c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 39c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkISize onISize() override { 40680e2e9a9eea28aa816ecdb88b4af1b4861393a0dvonbeck return SkISize::Make(600, 740); 41c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 42c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 43c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck void onOnceBeforeDraw() override { 44c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck const SkVector3 kLightFromUpperRight = SkVector3::Make(0.788f, 0.394f, 0.473f); 456ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck const SkVector3 kLightFromUpperLeft = SkVector3::Make(-0.788f, 0.394f, 0.473f); 46c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 476ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck // Standard set of lights 486ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck SkLights::Builder builder; 49772b5ee446d7545eec4ca7d6dc9d75461e2a9c38vjiaoblack builder.add(SkLights::Light::MakeDirectional(SkColor3f::Make(1.0f, 1.0f, 1.0f), 50772b5ee446d7545eec4ca7d6dc9d75461e2a9c38vjiaoblack kLightFromUpperRight)); 51a8eabc4a2a5559a1410fdbb348f967cd1554b325vjiaoblack builder.setAmbientLightColor(SkColor3f::Make(0.2f, 0.2f, 0.2f)); 52c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck fLights = builder.finish(); 53c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 546ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck // No directional lights 556ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck SkLights::Builder builderNoDir; 56a8eabc4a2a5559a1410fdbb348f967cd1554b325vjiaoblack builderNoDir.setAmbientLightColor(SkColor3f::Make(0.2f, 0.2f, 0.2f)); 576ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck fLightsNoDir = builderNoDir.finish(); 586ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 596ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck // Two directional lights 606ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck SkLights::Builder builderTwoDir; 616ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck builderTwoDir.add(SkLights::Light::MakeDirectional(SkColor3f::Make(1.0f, 0.0f, 1.0f), 626ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck kLightFromUpperRight)); 636ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck builderTwoDir.add(SkLights::Light::MakeDirectional(SkColor3f::Make(0.0f, 1.0f, 1.0f), 646ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck kLightFromUpperLeft)); 65a8eabc4a2a5559a1410fdbb348f967cd1554b325vjiaoblack builderTwoDir.setAmbientLightColor(SkColor3f::Make(0.2f, 0.2f, 0.2f)); 666ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck fLightsTwoDir = builderTwoDir.finish(); 676ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 68c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck fRect = SkRect::MakeIWH(kTexSize, kTexSize); 69c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkMatrix matrix; 70c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkRect bitmapBounds = SkRect::MakeIWH(kTexSize, kTexSize); 71c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck matrix.setRectToRect(bitmapBounds, fRect, SkMatrix::kFill_ScaleToFit); 72c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 73c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkBitmap opaqueDiffuseMap = sk_tool_utils::create_checkerboard_bitmap( 74c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck kTexSize, kTexSize, 75c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_tool_utils::color_to_565(0x0), 76c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_tool_utils::color_to_565(0xFF804020), 77c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 8); 781ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed fOpaqueDiffuse = SkShader::MakeBitmapShader(opaqueDiffuseMap, SkShader::kClamp_TileMode, 791ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed SkShader::kClamp_TileMode, &matrix); 80c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 81c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkBitmap translucentDiffuseMap = sk_tool_utils::create_checkerboard_bitmap( 82c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck kTexSize, kTexSize, 83c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkColorSetARGB(0x55, 0x00, 0x00, 0x00), 84c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkColorSetARGB(0x55, 0x80, 0x40, 0x20), 85c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 8); 861ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed fTranslucentDiffuse = SkShader::MakeBitmapShader(translucentDiffuseMap, 871ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed SkShader::kClamp_TileMode, 881ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed SkShader::kClamp_TileMode, &matrix); 89c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 90c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkBitmap normalMap = make_frustum_normalmap(kTexSize); 911ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed fNormalMapShader = SkShader::MakeBitmapShader(normalMap, SkShader::kClamp_TileMode, 921ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed SkShader::kClamp_TileMode, &matrix); 93c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 94c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 95c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 96c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck // Scales shape around origin, rotates shape around origin, then translates shape to origin 97c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck void positionCTM(SkCanvas *canvas, SkScalar scaleX, SkScalar scaleY, SkScalar rotate) const { 98c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(kTexSize/2.0f, kTexSize/2.0f); 99c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->scale(scaleX, scaleY); 100c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->rotate(rotate); 101c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(-kTexSize/2.0f, -kTexSize/2.0f); 102c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 103c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 104c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck static constexpr int NUM_BOOLEAN_PARAMS = 4; 105c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck void drawRect(SkCanvas* canvas, SkScalar scaleX, SkScalar scaleY, 106c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkScalar rotate, bool useNormalSource, bool useDiffuseShader, 1076ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck bool useTranslucentPaint, bool useTranslucentShader, sk_sp<SkLights> lights) { 108c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->save(); 109c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 110c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck this->positionCTM(canvas, scaleX, scaleY, rotate); 111c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 112c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck const SkMatrix& ctm = canvas->getTotalMatrix(); 113c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 114c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkPaint paint; 115c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_sp<SkNormalSource> normalSource = nullptr; 116c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_sp<SkShader> diffuseShader = nullptr; 117c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 118c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck if (useNormalSource) { 119c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck normalSource = SkNormalSource::MakeFromNormalMap(fNormalMapShader, ctm); 120c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 121c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 122c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck if (useDiffuseShader) { 123c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck diffuseShader = (useTranslucentShader) ? fTranslucentDiffuse : fOpaqueDiffuse; 124c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } else { 125c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck paint.setColor(0xFF00FF00); 126c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 127c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 128c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck if (useTranslucentPaint) { 129c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck paint.setAlpha(0x99); 130c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 131c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 132c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck paint.setShader(SkLightingShader::Make(std::move(diffuseShader), std::move(normalSource), 1336ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck std::move(lights))); 134c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->drawRect(fRect, paint); 135c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 136c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->restore(); 137c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 138c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 139c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck void onDraw(SkCanvas* canvas) override { 140c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 141c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck constexpr SkScalar LABEL_SIZE = 10.0f; 142c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkPaint labelPaint; 143c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck labelPaint.setTypeface(sk_tool_utils::create_portable_typeface("sans-serif", 144c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkFontStyle())); 145c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck labelPaint.setAntiAlias(true); 146c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck labelPaint.setTextSize(LABEL_SIZE); 147c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 148c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck constexpr int GRID_COLUMN_NUM = 4; 149c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck constexpr SkScalar GRID_CELL_WIDTH = kTexSize + 20.0f + NUM_BOOLEAN_PARAMS * LABEL_SIZE; 150c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 151c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck int gridNum = 0; 152c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 153c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck // Running through all possible bool parameter combinations 154c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck for (bool useNormalSource : {true, false}) { 155c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck for (bool useDiffuseShader : {true, false}) { 156c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck for (bool useTranslucentPaint : {true, false}) { 157c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck for (bool useTranslucentShader : {true, false}) { 158c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 159c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck // Determining position 160c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 161c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 162c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 163c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->save(); 164c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 165c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(xPos, yPos); 166c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck this->drawRect(canvas, 1.0f, 1.0f, 0.f, useNormalSource, useDiffuseShader, 1676ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck useTranslucentPaint, useTranslucentShader, fLights); 168c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck // Drawing labels 169c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(0.0f, SkIntToScalar(kTexSize)); 170c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck { 171c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(0.0f, LABEL_SIZE); 172c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkString label; 173c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck label.appendf("useNormalSource: %d", useNormalSource); 174c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->drawText(label.c_str(), label.size(), 0.0f, 0.0f, labelPaint); 175c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 176c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck { 177c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(0.0f, LABEL_SIZE); 178c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkString label; 179c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck label.appendf("useDiffuseShader: %d", useDiffuseShader); 180c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->drawText(label.c_str(), label.size(), 0.0f, 0.0f, labelPaint); 181c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 182c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck { 183c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(0.0f, LABEL_SIZE); 184c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkString label; 185c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck label.appendf("useTranslucentPaint: %d", useTranslucentPaint); 186c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->drawText(label.c_str(), label.size(), 0.0f, 0.0f, labelPaint); 187c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 188c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck { 189c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(0.0f, LABEL_SIZE); 190c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkString label; 191c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck label.appendf("useTranslucentShader: %d", useTranslucentShader); 192c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->drawText(label.c_str(), label.size(), 0.0f, 0.0f, labelPaint); 193c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 194c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 195c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->restore(); 196c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 197c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck gridNum++; 198c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 199c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 200c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 201c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 202c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 203c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 204c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck // Rotation/scale test 205c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck { 206c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 207c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 208c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 209c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->save(); 210c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(xPos, yPos); 2116ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck this->drawRect(canvas, 0.6f, 0.6f, 45.0f, true, true, true, true, fLights); 212c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->restore(); 213c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 214c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck gridNum++; 215c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 216c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 217c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck // Anisotropic scale test 218c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck { 219c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 220c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 221c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 222c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->save(); 223c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->translate(xPos, yPos); 2246ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck this->drawRect(canvas, 0.6f, 0.4f, 30.0f, true, true, true, true, fLights); 2256ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck canvas->restore(); 2266ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 2276ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck gridNum++; 2286ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck } 2296ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 2306ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck // No directional lights test 2316ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck { 2326ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 2336ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 2346ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 2356ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck canvas->save(); 2366ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck canvas->translate(xPos, yPos); 2376ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck this->drawRect(canvas, 1.0f, 1.0f, 0.0f, true, true, false, false, fLightsNoDir); 2386ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck canvas->restore(); 2396ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 2406ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck gridNum++; 2416ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck } 2426ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 2436ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck // Two directional lights test 2446ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck { 2456ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 2466ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; 2476ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck 2486ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck canvas->save(); 2496ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck canvas->translate(xPos, yPos); 2506ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck this->drawRect(canvas, 1.0f, 1.0f, 0.0f, true, true, false, false, fLightsTwoDir); 251c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck canvas->restore(); 252c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 253c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck gridNum++; 254c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 255c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck } 256c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 257c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeckprivate: 258dbfd7ab10883f173f5c1b653a233e18dc6142002mtklein static constexpr int kTexSize = 96; 259c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 260c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_sp<SkShader> fOpaqueDiffuse; 261c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_sp<SkShader> fTranslucentDiffuse; 262c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_sp<SkShader> fNormalMapShader; 263c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 264c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck SkRect fRect; 265c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck sk_sp<SkLights> fLights; 2666ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck sk_sp<SkLights> fLightsNoDir; 2676ad75d10eb2462e614f2b7cba293144a7e91a842dvonbeck sk_sp<SkLights> fLightsTwoDir; 268c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 269c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck typedef GM INHERITED; 270c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck}; 271c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 272c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck////////////////////////////////////////////////////////////////////////////// 273c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck 274c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeckDEF_GM(return new LightingShader2GM;) 275c526da94e4f2dc0c8521099dad2118c5d6b8da4advonbeck} 276