TestUtils.cpp revision e8c3c813b0e3ac98304b17a751ce6e436e252bd9
116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck/* 216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Copyright (C) 2015 The Android Open Source Project 316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Licensed under the Apache License, Version 2.0 (the "License"); 516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * you may not use this file except in compliance with the License. 616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * You may obtain a copy of the License at 716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * http://www.apache.org/licenses/LICENSE-2.0 916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 1016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Unless required by applicable law or agreed to in writing, software 1116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * distributed under the License is distributed on an "AS IS" BASIS, 1216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * See the License for the specific language governing permissions and 1416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * limitations under the License. 1516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck */ 1616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 1716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck#include "TestUtils.h" 1816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 19d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik#include "DeferredLayerUpdater.h" 20d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik#include "LayerRenderer.h" 21d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 22e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck#include <unistd.h> 23e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck#include <signal.h> 24e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 2516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Recknamespace android { 2616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Recknamespace uirenderer { 2716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 2816c9d6a92e1b86d448c00c52a1630f3e71e6df76John ReckSkColor TestUtils::interpolateColor(float fraction, SkColor start, SkColor end) { 2916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startA = (start >> 24) & 0xff; 3016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startR = (start >> 16) & 0xff; 3116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startG = (start >> 8) & 0xff; 3216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startB = start & 0xff; 3316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 3416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endA = (end >> 24) & 0xff; 3516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endR = (end >> 16) & 0xff; 3616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endG = (end >> 8) & 0xff; 3716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endB = end & 0xff; 3816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 3916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck return (int)((startA + (int)(fraction * (endA - startA))) << 24) 4016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startR + (int)(fraction * (endR - startR))) << 16) 4116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startG + (int)(fraction * (endG - startG))) << 8) 4216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startB + (int)(fraction * (endB - startB)))); 4316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} 4416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 45d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craiksp<DeferredLayerUpdater> TestUtils::createTextureLayerUpdater( 46d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik renderthread::RenderThread& renderThread, uint32_t width, uint32_t height, 47d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik std::function<void(Matrix4*)> transformSetupCallback) { 48d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik bool isOpaque = true; 49d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik bool forceFilter = true; 50d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik GLenum renderTarget = GL_TEXTURE_EXTERNAL_OES; 51d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 52d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik Layer* layer = LayerRenderer::createTextureLayer(renderThread.renderState()); 53d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, forceFilter, 54d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik renderTarget, Matrix4::identity().data); 55d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik transformSetupCallback(&(layer->getTransform())); 56d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 57d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik sp<DeferredLayerUpdater> layerUpdater = new DeferredLayerUpdater(layer); 58d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik return layerUpdater; 59d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik} 60d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 61e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid TestUtils::layoutTextUnscaled(const SkPaint& paint, const char* text, 62e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik std::vector<glyph_t>* outGlyphs, std::vector<float>* outPositions, 63e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik float* outTotalAdvance, Rect* outBounds) { 64e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik Rect bounds; 65e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik float totalAdvance = 0; 6642a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 67d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I()); 6842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik while (*text != '\0') { 6942a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkUnichar unichar = SkUTF8_NextUnichar(&text); 7042a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik glyph_t glyph = autoCache.getCache()->unicharToGlyph(unichar); 7142a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik autoCache.getCache()->unicharToGlyph(unichar); 72a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 7342a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // push glyph and its relative position 74e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik outGlyphs->push_back(glyph); 75e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik outPositions->push_back(totalAdvance); 76e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik outPositions->push_back(0); 77a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 7842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // compute bounds 7942a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkGlyph skGlyph = autoCache.getCache()->getUnicharMetrics(unichar); 8042a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik Rect glyphBounds(skGlyph.fWidth, skGlyph.fHeight); 8142a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik glyphBounds.translate(totalAdvance + skGlyph.fLeft, skGlyph.fTop); 8242a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik bounds.unionWith(glyphBounds); 83a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 8442a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // advance next character 8542a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkScalar skWidth; 8642a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik paint.getTextWidths(&glyph, sizeof(glyph), &skWidth, NULL); 8742a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik totalAdvance += skWidth; 8842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik } 89e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik *outBounds = bounds; 90e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik *outTotalAdvance = totalAdvance; 91e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik} 92e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik 93e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid TestUtils::drawTextToCanvas(TestCanvas* canvas, const char* text, 94e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik const SkPaint& paint, float x, float y) { 95e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik // drawing text requires GlyphID TextEncoding (which JNI layer would have done) 96e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik LOG_ALWAYS_FATAL_IF(paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding, 97e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik "must use glyph encoding"); 98e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 99e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I()); 100e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik 101e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik std::vector<glyph_t> glyphs; 102e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik std::vector<float> positions; 103e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik float totalAdvance; 104e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik Rect bounds; 105e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik layoutTextUnscaled(paint, text, &glyphs, &positions, &totalAdvance, &bounds); 10642a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik 10742a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // apply alignment via x parameter (which JNI layer would have done) 10842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik if (paint.getTextAlign() == SkPaint::kCenter_Align) { 10942a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik x -= totalAdvance / 2; 11042a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik } else if (paint.getTextAlign() == SkPaint::kRight_Align) { 11142a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik x -= totalAdvance; 11242a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik } 11342a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik 11442a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik bounds.translate(x, y); 11542a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik 11642a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // Force left alignment, since alignment offset is already baked in 11742a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkPaint alignPaintCopy(paint); 11842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik alignPaintCopy.setTextAlign(SkPaint::kLeft_Align); 11942a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik canvas->drawText(glyphs.data(), positions.data(), glyphs.size(), alignPaintCopy, x, y, 12042a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik bounds.left, bounds.top, bounds.right, bounds.bottom, totalAdvance); 121a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik} 122a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 123d7448e65e243754f31890baef29dff187dc2e5e5Chris Craikvoid TestUtils::drawTextToCanvas(TestCanvas* canvas, const char* text, 124d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik const SkPaint& paint, const SkPath& path) { 125d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik // drawing text requires GlyphID TextEncoding (which JNI layer would have done) 126d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik LOG_ALWAYS_FATAL_IF(paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding, 127d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik "must use glyph encoding"); 128d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 129d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I()); 130d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik 131d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik std::vector<glyph_t> glyphs; 132d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik while (*text != '\0') { 133d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkUnichar unichar = SkUTF8_NextUnichar(&text); 134d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik glyphs.push_back(autoCache.getCache()->unicharToGlyph(unichar)); 135d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik } 136d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik canvas->drawTextOnPath(glyphs.data(), glyphs.size(), path, 0, 0, paint); 137d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik} 138d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik 139e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reckstatic void defaultCrashHandler() { 140e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck fprintf(stderr, "RenderThread crashed!"); 141e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck} 142e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 143e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reckstatic std::function<void()> gCrashHandler = defaultCrashHandler; 144f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reckstatic sighandler_t gPreviousSignalHandler; 145e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 146e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reckstatic void signalHandler(int sig) { 147f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck gCrashHandler(); 148f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck if (gPreviousSignalHandler) { 149f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck gPreviousSignalHandler(sig); 150f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck } 151e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck} 152e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 153e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reckvoid TestUtils::setRenderThreadCrashHandler(std::function<void()> crashHandler) { 154e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck gCrashHandler = crashHandler; 155e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck} 156e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 157e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reckvoid TestUtils::TestTask::run() { 158f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck gPreviousSignalHandler = signal(SIGABRT, signalHandler); 159e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 160e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck // RenderState only valid once RenderThread is running, so queried here 161e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck RenderState& renderState = renderthread::RenderThread::getInstance().renderState(); 162e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 163e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck renderState.onGLContextCreated(); 164e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck rtCallback(renderthread::RenderThread::getInstance()); 165e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck renderState.onGLContextDestroyed(); 166f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck 167f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck // Restore the previous signal handler 168f1dafb5962e798a02417b5a2075b6dcc318561abJohn Reck signal(SIGABRT, gPreviousSignalHandler); 169e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck} 170e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 17116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} /* namespace uirenderer */ 17216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} /* namespace android */ 173