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      1 /*
      2 * Copyright 2014 Google Inc.
      3 *
      4 * Use of this source code is governed by a BSD-style license that can be
      5 * found in the LICENSE file.
      6 */
      7 
      8 #if SK_SUPPORT_GPU
      9 
     10 #include "GrRectanizer_pow2.h"
     11 #include "GrRectanizer_skyline.h"
     12 #include "SkRandom.h"
     13 #include "SkSize.h"
     14 #include "SkTDArray.h"
     15 #include "Test.h"
     16 
     17 static const int kWidth = 1024;
     18 static const int kHeight = 1024;
     19 
     20 // Basic test of a GrRectanizer-derived class' functionality
     21 static void test_rectanizer_basic(skiatest::Reporter* reporter, GrRectanizer* rectanizer) {
     22     REPORTER_ASSERT(reporter, kWidth == rectanizer->width());
     23     REPORTER_ASSERT(reporter, kHeight == rectanizer->height());
     24 
     25     SkIPoint16 loc;
     26 
     27     REPORTER_ASSERT(reporter, rectanizer->addRect(50, 50, &loc));
     28     REPORTER_ASSERT(reporter, rectanizer->percentFull() > 0.0f);
     29     rectanizer->reset();
     30     REPORTER_ASSERT(reporter, rectanizer->percentFull() == 0.0f);
     31 }
     32 
     33 static void test_rectanizer_inserts(skiatest::Reporter*,
     34                                     GrRectanizer* rectanizer,
     35                                     const SkTDArray<SkISize>& rects) {
     36     int i;
     37     for (i = 0; i < rects.count(); ++i) {
     38         SkIPoint16 loc;
     39         if (!rectanizer->addRect(rects[i].fWidth, rects[i].fHeight, &loc)) {
     40             break;
     41         }
     42     }
     43 
     44     //SkDebugf("\n***%d %f\n", i, rectanizer->percentFull());
     45 }
     46 
     47 static void test_skyline(skiatest::Reporter* reporter, const SkTDArray<SkISize>& rects) {
     48     GrRectanizerSkyline skylineRectanizer(kWidth, kHeight);
     49 
     50     test_rectanizer_basic(reporter, &skylineRectanizer);
     51     test_rectanizer_inserts(reporter, &skylineRectanizer, rects);
     52 }
     53 
     54 static void test_pow2(skiatest::Reporter* reporter, const SkTDArray<SkISize>& rects) {
     55     GrRectanizerPow2 pow2Rectanizer(kWidth, kHeight);
     56 
     57     test_rectanizer_basic(reporter, &pow2Rectanizer);
     58     test_rectanizer_inserts(reporter, &pow2Rectanizer, rects);
     59 }
     60 
     61 DEF_GPUTEST(GpuRectanizer, reporter, factory) {
     62     SkTDArray<SkISize> rects;
     63     SkRandom rand;
     64 
     65     for (int i = 0; i < 50; i++) {
     66         rects.push(SkISize::Make(rand.nextRangeU(1, kWidth / 2),
     67                                  rand.nextRangeU(1, kHeight / 2)));
     68     }
     69 
     70     test_skyline(reporter, rects);
     71     test_pow2(reporter, rects);
     72 }
     73 
     74 #endif
     75