TestUtils.cpp revision 98c78dad1969e2321cfee2085faa55d95bba7e29 
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 "hwui/Paint.h"
20#include "DeferredLayerUpdater.h"
21
22#include <renderthread/EglManager.h>
23#include <renderthread/OpenGLPipeline.h>
24#include <pipeline/skia/SkiaOpenGLPipeline.h>
25#include <pipeline/skia/SkiaVulkanPipeline.h>
26#include <renderthread/VulkanManager.h>
27#include <utils/Unicode.h>
28#include <SkClipStack.h>
29
30#include <SkGlyphCache.h>
31
32namespace android {
33namespace uirenderer {
34
35SkColor TestUtils::interpolateColor(float fraction, SkColor start, SkColor end) {
36    int startA = (start >> 24) & 0xff;
37    int startR = (start >> 16) & 0xff;
38    int startG = (start >> 8) & 0xff;
39    int startB = start & 0xff;
40
41    int endA = (end >> 24) & 0xff;
42    int endR = (end >> 16) & 0xff;
43    int endG = (end >> 8) & 0xff;
44    int endB = end & 0xff;
45
46    return (int)((startA + (int)(fraction * (endA - startA))) << 24)
47            | (int)((startR + (int)(fraction * (endR - startR))) << 16)
48            | (int)((startG + (int)(fraction * (endG - startG))) << 8)
49            | (int)((startB + (int)(fraction * (endB - startB))));
50}
51
52sp<DeferredLayerUpdater> TestUtils::createTextureLayerUpdater(
53        renderthread::RenderThread& renderThread) {
54    android::uirenderer::renderthread::IRenderPipeline* pipeline;
55    if (Properties::getRenderPipelineType() == RenderPipelineType::OpenGL) {
56        pipeline = new renderthread::OpenGLPipeline(renderThread);
57    } else if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaGL) {
58        pipeline = new skiapipeline::SkiaOpenGLPipeline(renderThread);
59    } else {
60        pipeline = new skiapipeline::SkiaVulkanPipeline(renderThread);
61    }
62    sp<DeferredLayerUpdater> layerUpdater = pipeline->createTextureLayer();
63    delete pipeline;
64    return layerUpdater;
65}
66
67sp<DeferredLayerUpdater> TestUtils::createTextureLayerUpdater(
68        renderthread::RenderThread& renderThread, uint32_t width, uint32_t height,
69        const SkMatrix& transform) {
70    sp<DeferredLayerUpdater> layerUpdater = createTextureLayerUpdater(renderThread);
71    layerUpdater->backingLayer()->getTransform().load(transform);
72    layerUpdater->setSize(width, height);
73    layerUpdater->setTransform(&transform);
74
75    // updateLayer so it's ready to draw
76    layerUpdater->updateLayer(true, GL_TEXTURE_EXTERNAL_OES, Matrix4::identity().data);
77    return layerUpdater;
78}
79
80void TestUtils::layoutTextUnscaled(const SkPaint& paint, const char* text,
81        std::vector<glyph_t>* outGlyphs, std::vector<float>* outPositions,
82        float* outTotalAdvance, Rect* outBounds) {
83    Rect bounds;
84    float totalAdvance = 0;
85    SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry);
86    SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I());
87    while (*text != '\0') {
88        size_t nextIndex = 0;
89        int32_t unichar = utf32_from_utf8_at(text, 4, 0, &nextIndex);
90        text += nextIndex;
91
92        glyph_t glyph = autoCache.getCache()->unicharToGlyph(unichar);
93        autoCache.getCache()->unicharToGlyph(unichar);
94
95        // push glyph and its relative position
96        outGlyphs->push_back(glyph);
97        outPositions->push_back(totalAdvance);
98        outPositions->push_back(0);
99
100        // compute bounds
101        SkGlyph skGlyph = autoCache.getCache()->getUnicharMetrics(unichar);
102        Rect glyphBounds(skGlyph.fWidth, skGlyph.fHeight);
103        glyphBounds.translate(totalAdvance + skGlyph.fLeft, skGlyph.fTop);
104        bounds.unionWith(glyphBounds);
105
106        // advance next character
107        SkScalar skWidth;
108        paint.getTextWidths(&glyph, sizeof(glyph), &skWidth, NULL);
109        totalAdvance += skWidth;
110    }
111    *outBounds = bounds;
112    *outTotalAdvance = totalAdvance;
113}
114
115
116void TestUtils::drawUtf8ToCanvas(Canvas* canvas, const char* text,
117        const SkPaint& paint, float x, float y) {
118    auto utf16 = asciiToUtf16(text);
119    canvas->drawText(utf16.get(), 0, strlen(text), strlen(text), x, y, 0, paint, nullptr);
120}
121
122void TestUtils::drawUtf8ToCanvas(Canvas* canvas, const char* text,
123        const SkPaint& paint, const SkPath& path) {
124    auto utf16 = asciiToUtf16(text);
125    canvas->drawTextOnPath(utf16.get(), strlen(text), 0, path, 0, 0, paint, nullptr);
126}
127
128void TestUtils::TestTask::run() {
129    // RenderState only valid once RenderThread is running, so queried here
130    renderthread::RenderThread& renderThread = renderthread::RenderThread::getInstance();
131    if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) {
132        renderThread.vulkanManager().initialize();
133    } else {
134        renderThread.eglManager().initialize();
135    }
136
137    rtCallback(renderThread);
138
139    if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) {
140        renderThread.vulkanManager().destroy();
141    } else {
142        renderThread.renderState().flush(Caches::FlushMode::Full);
143        renderThread.eglManager().destroy();
144    }
145}
146
147std::unique_ptr<uint16_t[]> TestUtils::asciiToUtf16(const char* str) {
148    const int length = strlen(str);
149    std::unique_ptr<uint16_t[]> utf16(new uint16_t[length]);
150    for (int i = 0; i < length; i++) {
151        utf16.get()[i] = str[i];
152    }
153    return utf16;
154}
155
156SkColor TestUtils::getColor(const sk_sp<SkSurface>& surface, int x, int y) {
157    SkPixmap pixmap;
158    if (!surface->peekPixels(&pixmap)) {
159        return 0;
160    }
161    switch (pixmap.colorType()) {
162        case kGray_8_SkColorType: {
163            const uint8_t* addr = pixmap.addr8(x, y);
164            return SkColorSetRGB(*addr, *addr, *addr);
165        }
166        case kAlpha_8_SkColorType: {
167            const uint8_t* addr = pixmap.addr8(x, y);
168            return SkColorSetA(0, addr[0]);
169        }
170        case kRGB_565_SkColorType: {
171            const uint16_t* addr = pixmap.addr16(x, y);
172            return SkPixel16ToColor(addr[0]);
173        }
174        case kARGB_4444_SkColorType: {
175            const uint16_t* addr = pixmap.addr16(x, y);
176            SkPMColor c = SkPixel4444ToPixel32(addr[0]);
177            return SkUnPreMultiply::PMColorToColor(c);
178        }
179        case kBGRA_8888_SkColorType: {
180            const uint32_t* addr = pixmap.addr32(x, y);
181            SkPMColor c = SkSwizzle_BGRA_to_PMColor(addr[0]);
182            return SkUnPreMultiply::PMColorToColor(c);
183        }
184        case kRGBA_8888_SkColorType: {
185            const uint32_t* addr = pixmap.addr32(x, y);
186            SkPMColor c = SkSwizzle_RGBA_to_PMColor(addr[0]);
187            return SkUnPreMultiply::PMColorToColor(c);
188        }
189        default:
190            return 0;
191    }
192    return 0;
193}
194
195SkRect TestUtils::getClipBounds(const SkCanvas* canvas) {
196    SkClipStack::BoundsType boundType;
197    SkRect clipBounds;
198    canvas->getClipStack()->getBounds(&clipBounds, &boundType);
199    return clipBounds;
200}
201
202SkRect TestUtils::getLocalClipBounds(const SkCanvas* canvas) {
203    SkMatrix invertedTotalMatrix;
204    if (!canvas->getTotalMatrix().invert(&invertedTotalMatrix)) {
205        return SkRect::MakeEmpty();
206    }
207    SkRect outlineInDeviceCoord = TestUtils::getClipBounds(canvas);
208    SkRect outlineInLocalCoord;
209    invertedTotalMatrix.mapRect(&outlineInLocalCoord, outlineInDeviceCoord);
210    return outlineInLocalCoord;
211}
212
213} /* namespace uirenderer */
214} /* namespace android */
215