src/third_party/skia/tests/ImageIsOpaqueTest.cpp

   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 #include "SkTypes.h"
   9 #if SK_SUPPORT_GPU
  10 #include "GrContextFactory.h"
  11 #endif
  12 #include "SkImage.h"
  13 #include "SkSurface.h"
  14
  15 #include "Test.h"
  16
  17 static void check_isopaque(skiatest::Reporter* reporter, SkSurface* surface, bool expectedOpaque) {
  18     SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
  19     REPORTER_ASSERT(reporter, image->isOpaque() == expectedOpaque);
  20 }
  21
  22 DEF_TEST(ImageIsOpaqueTest, reporter) {
  23     SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
  24     SkAutoTUnref<SkSurface> surfaceTransparent(SkSurface::NewRaster(infoTransparent));
  25     check_isopaque(reporter, surfaceTransparent, false);
  26
  27     SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
  28     SkAutoTUnref<SkSurface> surfaceOpaque(SkSurface::NewRaster(infoOpaque));
  29     check_isopaque(reporter, surfaceOpaque, true);
  30 }
  31
  32 #if SK_SUPPORT_GPU
  33
  34 DEF_GPUTEST(ImageIsOpaqueTest_GPU, reporter, factory) {
  35     for (int i = 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
  36         GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
  37
  38         if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
  39             continue;
  40         }
  41
  42         GrContext* context = factory->get(glCtxType);
  43
  44         if (NULL == context) {
  45             continue;
  46         }
  47
  48         SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
  49         SkAutoTUnref<SkSurface> surfaceTransparent(SkSurface::NewRenderTarget(context, infoTransparent));
  50         check_isopaque(reporter, surfaceTransparent, false);
  51
  52         SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
  53         SkAutoTUnref<SkSurface> surfaceOpaque(SkSurface::NewRenderTarget(context, infoOpaque));
  54 #if 0
  55         // this is failing right now : TODO fix me
  56         check_isopaque(reporter, surfaceOpaque, true);
  57 #endif
  58     }
  59 }
  60
  61 #endif