1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "TestUtils.h"
18 
19 #include "DeferredLayerUpdater.h"
20 #include "hwui/Paint.h"
21 
22 #include <SkClipStack.h>
23 #include <minikin/Layout.h>
24 #include <pipeline/skia/SkiaOpenGLPipeline.h>
25 #include <pipeline/skia/SkiaVulkanPipeline.h>
26 #include <renderthread/EglManager.h>
27 #include <renderthread/OpenGLPipeline.h>
28 #include <renderthread/VulkanManager.h>
29 #include <utils/Unicode.h>
30 
31 #include <SkGlyphCache.h>
32 
33 namespace android {
34 namespace uirenderer {
35 
interpolateColor(float fraction,SkColor start,SkColor end)36 SkColor TestUtils::interpolateColor(float fraction, SkColor start, SkColor end) {
37     int startA = (start >> 24) & 0xff;
38     int startR = (start >> 16) & 0xff;
39     int startG = (start >> 8) & 0xff;
40     int startB = start & 0xff;
41 
42     int endA = (end >> 24) & 0xff;
43     int endR = (end >> 16) & 0xff;
44     int endG = (end >> 8) & 0xff;
45     int endB = end & 0xff;
46 
47     return (int)((startA + (int)(fraction * (endA - startA))) << 24) |
48            (int)((startR + (int)(fraction * (endR - startR))) << 16) |
49            (int)((startG + (int)(fraction * (endG - startG))) << 8) |
50            (int)((startB + (int)(fraction * (endB - startB))));
51 }
52 
createTextureLayerUpdater(renderthread::RenderThread & renderThread)53 sp<DeferredLayerUpdater> TestUtils::createTextureLayerUpdater(
54         renderthread::RenderThread& renderThread) {
55     android::uirenderer::renderthread::IRenderPipeline* pipeline;
56     if (Properties::getRenderPipelineType() == RenderPipelineType::OpenGL) {
57         pipeline = new renderthread::OpenGLPipeline(renderThread);
58     } else if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaGL) {
59         pipeline = new skiapipeline::SkiaOpenGLPipeline(renderThread);
60     } else {
61         pipeline = new skiapipeline::SkiaVulkanPipeline(renderThread);
62     }
63     sp<DeferredLayerUpdater> layerUpdater = pipeline->createTextureLayer();
64     layerUpdater->apply();
65     delete pipeline;
66     return layerUpdater;
67 }
68 
createTextureLayerUpdater(renderthread::RenderThread & renderThread,uint32_t width,uint32_t height,const SkMatrix & transform)69 sp<DeferredLayerUpdater> TestUtils::createTextureLayerUpdater(
70         renderthread::RenderThread& renderThread, uint32_t width, uint32_t height,
71         const SkMatrix& transform) {
72     sp<DeferredLayerUpdater> layerUpdater = createTextureLayerUpdater(renderThread);
73     layerUpdater->backingLayer()->getTransform().load(transform);
74     layerUpdater->setSize(width, height);
75     layerUpdater->setTransform(&transform);
76 
77     // updateLayer so it's ready to draw
78     layerUpdater->updateLayer(true, Matrix4::identity().data, HAL_DATASPACE_UNKNOWN);
79     if (layerUpdater->backingLayer()->getApi() == Layer::Api::OpenGL) {
80         static_cast<GlLayer*>(layerUpdater->backingLayer())
81                 ->setRenderTarget(GL_TEXTURE_EXTERNAL_OES);
82     }
83     return layerUpdater;
84 }
85 
layoutTextUnscaled(const SkPaint & paint,const char * text,std::vector<glyph_t> * outGlyphs,std::vector<float> * outPositions,float * outTotalAdvance,Rect * outBounds)86 void TestUtils::layoutTextUnscaled(const SkPaint& paint, const char* text,
87                                    std::vector<glyph_t>* outGlyphs,
88                                    std::vector<float>* outPositions, float* outTotalAdvance,
89                                    Rect* outBounds) {
90     Rect bounds;
91     float totalAdvance = 0;
92     SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry);
93     SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I());
94     while (*text != '\0') {
95         size_t nextIndex = 0;
96         int32_t unichar = utf32_from_utf8_at(text, 4, 0, &nextIndex);
97         text += nextIndex;
98 
99         glyph_t glyph = autoCache.getCache()->unicharToGlyph(unichar);
100         autoCache.getCache()->unicharToGlyph(unichar);
101 
102         // push glyph and its relative position
103         outGlyphs->push_back(glyph);
104         outPositions->push_back(totalAdvance);
105         outPositions->push_back(0);
106 
107         // compute bounds
108         SkGlyph skGlyph = autoCache.getCache()->getUnicharMetrics(unichar);
109         Rect glyphBounds(skGlyph.fWidth, skGlyph.fHeight);
110         glyphBounds.translate(totalAdvance + skGlyph.fLeft, skGlyph.fTop);
111         bounds.unionWith(glyphBounds);
112 
113         // advance next character
114         SkScalar skWidth;
115         paint.getTextWidths(&glyph, sizeof(glyph), &skWidth, NULL);
116         totalAdvance += skWidth;
117     }
118     *outBounds = bounds;
119     *outTotalAdvance = totalAdvance;
120 }
121 
drawUtf8ToCanvas(Canvas * canvas,const char * text,const SkPaint & paint,float x,float y)122 void TestUtils::drawUtf8ToCanvas(Canvas* canvas, const char* text, const SkPaint& paint, float x,
123                                  float y) {
124     auto utf16 = asciiToUtf16(text);
125     SkPaint glyphPaint(paint);
126     glyphPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
127     canvas->drawText(utf16.get(), 0, strlen(text), strlen(text), x, y, minikin::Bidi::LTR,
128             glyphPaint, nullptr, nullptr /* measured text */);
129 }
130 
drawUtf8ToCanvas(Canvas * canvas,const char * text,const SkPaint & paint,const SkPath & path)131 void TestUtils::drawUtf8ToCanvas(Canvas* canvas, const char* text, const SkPaint& paint,
132                                  const SkPath& path) {
133     auto utf16 = asciiToUtf16(text);
134     SkPaint glyphPaint(paint);
135     glyphPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
136     canvas->drawTextOnPath(utf16.get(), strlen(text), minikin::Bidi::LTR, path, 0, 0, glyphPaint,
137             nullptr);
138 }
139 
run()140 void TestUtils::TestTask::run() {
141     // RenderState only valid once RenderThread is running, so queried here
142     renderthread::RenderThread& renderThread = renderthread::RenderThread::getInstance();
143     if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) {
144         renderThread.vulkanManager().initialize();
145     } else {
146         renderThread.eglManager().initialize();
147     }
148 
149     rtCallback(renderThread);
150 
151     if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) {
152         renderThread.vulkanManager().destroy();
153     } else {
154         renderThread.renderState().flush(Caches::FlushMode::Full);
155         renderThread.eglManager().destroy();
156     }
157 }
158 
asciiToUtf16(const char * str)159 std::unique_ptr<uint16_t[]> TestUtils::asciiToUtf16(const char* str) {
160     const int length = strlen(str);
161     std::unique_ptr<uint16_t[]> utf16(new uint16_t[length]);
162     for (int i = 0; i < length; i++) {
163         utf16.get()[i] = str[i];
164     }
165     return utf16;
166 }
167 
getColor(const sk_sp<SkSurface> & surface,int x,int y)168 SkColor TestUtils::getColor(const sk_sp<SkSurface>& surface, int x, int y) {
169     SkPixmap pixmap;
170     if (!surface->peekPixels(&pixmap)) {
171         return 0;
172     }
173     switch (pixmap.colorType()) {
174         case kGray_8_SkColorType: {
175             const uint8_t* addr = pixmap.addr8(x, y);
176             return SkColorSetRGB(*addr, *addr, *addr);
177         }
178         case kAlpha_8_SkColorType: {
179             const uint8_t* addr = pixmap.addr8(x, y);
180             return SkColorSetA(0, addr[0]);
181         }
182         case kRGB_565_SkColorType: {
183             const uint16_t* addr = pixmap.addr16(x, y);
184             return SkPixel16ToColor(addr[0]);
185         }
186         case kARGB_4444_SkColorType: {
187             const uint16_t* addr = pixmap.addr16(x, y);
188             SkPMColor c = SkPixel4444ToPixel32(addr[0]);
189             return SkUnPreMultiply::PMColorToColor(c);
190         }
191         case kBGRA_8888_SkColorType: {
192             const uint32_t* addr = pixmap.addr32(x, y);
193             SkPMColor c = SkSwizzle_BGRA_to_PMColor(addr[0]);
194             return SkUnPreMultiply::PMColorToColor(c);
195         }
196         case kRGBA_8888_SkColorType: {
197             const uint32_t* addr = pixmap.addr32(x, y);
198             SkPMColor c = SkSwizzle_RGBA_to_PMColor(addr[0]);
199             return SkUnPreMultiply::PMColorToColor(c);
200         }
201         default:
202             return 0;
203     }
204     return 0;
205 }
206 
getClipBounds(const SkCanvas * canvas)207 SkRect TestUtils::getClipBounds(const SkCanvas* canvas) {
208     return SkRect::Make(canvas->getDeviceClipBounds());
209 }
210 
getLocalClipBounds(const SkCanvas * canvas)211 SkRect TestUtils::getLocalClipBounds(const SkCanvas* canvas) {
212     SkMatrix invertedTotalMatrix;
213     if (!canvas->getTotalMatrix().invert(&invertedTotalMatrix)) {
214         return SkRect::MakeEmpty();
215     }
216     SkRect outlineInDeviceCoord = TestUtils::getClipBounds(canvas);
217     SkRect outlineInLocalCoord;
218     invertedTotalMatrix.mapRect(&outlineInLocalCoord, outlineInDeviceCoord);
219     return outlineInLocalCoord;
220 }
221 
222 } /* namespace uirenderer */
223 } /* namespace android */
224