skia2/tests/GpuRectanizerTest.cpp
Jim Van Verth c069b813a7 [graphite] More steps towards a shared DrawAtlas class.
* Move Rectanizer classes to a shared location
* Have GrDrawOpAtlas store SkColorType and explicit bytes-per-pixel
  instead of GrColorType.

Bug: skia:13118
Change-Id: Ib5c3d79394c89dce7f06e8eddf09a5f6a9543a7f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/531320
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
2022-04-21 14:20:45 +00:00

73 lines
2.2 KiB
C++

/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkSize.h"
#include "include/private/SkTDArray.h"
#include "include/utils/SkRandom.h"
#include "src/gpu/RectanizerPow2.h"
#include "src/gpu/RectanizerSkyline.h"
#include "tests/Test.h"
using namespace skgpu;
static const int kWidth = 1024;
static const int kHeight = 1024;
// Basic test of a Rectanizer-derived class' functionality
static void test_rectanizer_basic(skiatest::Reporter* reporter, Rectanizer* rectanizer) {
REPORTER_ASSERT(reporter, kWidth == rectanizer->width());
REPORTER_ASSERT(reporter, kHeight == rectanizer->height());
SkIPoint16 loc;
REPORTER_ASSERT(reporter, rectanizer->addRect(50, 50, &loc));
REPORTER_ASSERT(reporter, rectanizer->percentFull() > 0.0f);
rectanizer->reset();
REPORTER_ASSERT(reporter, rectanizer->percentFull() == 0.0f);
}
static void test_rectanizer_inserts(skiatest::Reporter*,
Rectanizer* rectanizer,
const SkTDArray<SkISize>& rects) {
int i;
for (i = 0; i < rects.count(); ++i) {
SkIPoint16 loc;
if (!rectanizer->addRect(rects[i].fWidth, rects[i].fHeight, &loc)) {
break;
}
}
//SkDebugf("\n***%d %f\n", i, rectanizer->percentFull());
}
static void test_skyline(skiatest::Reporter* reporter, const SkTDArray<SkISize>& rects) {
RectanizerSkyline skylineRectanizer(kWidth, kHeight);
test_rectanizer_basic(reporter, &skylineRectanizer);
test_rectanizer_inserts(reporter, &skylineRectanizer, rects);
}
static void test_pow2(skiatest::Reporter* reporter, const SkTDArray<SkISize>& rects) {
RectanizerPow2 pow2Rectanizer(kWidth, kHeight);
test_rectanizer_basic(reporter, &pow2Rectanizer);
test_rectanizer_inserts(reporter, &pow2Rectanizer, rects);
}
DEF_GPUTEST(GpuRectanizer, reporter, factory) {
SkTDArray<SkISize> rects;
SkRandom rand;
for (int i = 0; i < 50; i++) {
rects.push_back(SkISize::Make(rand.nextRangeU(1, kWidth / 2),
rand.nextRangeU(1, kHeight / 2)));
}
test_skyline(reporter, rects);
test_pow2(reporter, rects);
}