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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef STARBOARD_NPLB_BLITTER_PIXEL_TESTS_FIXTURE_H_
#define STARBOARD_NPLB_BLITTER_PIXEL_TESTS_FIXTURE_H_
#include "starboard/blitter.h"
#include "testing/gtest/include/gtest/gtest.h"
#if SB_HAS(BLITTER)
namespace starboard {
namespace nplb {
namespace blitter_pixel_tests {
// Starboard Blitter API pixel test fixture.
// As a convenience, this test fixture class will automatically construct a set
// of useful objects including a SbBlitterDevice named |device_|,
// SbBlitterContext named |context_|, and the test render target surface and its
// corresponding render target, |surface_| and |render_target_|on the results of
// respectively. |render_target_| will automatically be set to the current
// render target on |context_|. The test fixture is setup to perform the actual
// test on the SbBlitterSurface object in its destructor, after automatically
// flushing |context_|. It does the test against an expected results PNG file
// named after the test and located in starboard/nplb/data/blitter_pixel_tests.
// Thus, in order to write a test, one needs only to issue draw commands.
class SbBlitterPixelTest : public testing::Test {
public:
SbBlitterPixelTest();
~SbBlitterPixelTest();
// Returns the width of the render target surface.
int GetWidth() const;
// Returns the height of the render target surface.
int GetHeight() const;
protected:
// Convenience objects setup by the fixture and accessible by the tests.
SbBlitterDevice device_;
// The surface that will ultimately be pixel tested against.
SbBlitterSurface surface_;
// The render target corresponding to |surface_|. Tests should render their
// results to this |render_target_|.
SbBlitterRenderTarget render_target_;
// A |context_| conveniently setup by the fixture. It will automatically be
// flushed in the test's destructor before the test results are evaluated.
SbBlitterContext context_;
private:
// The function responsible for performing the pixel tests, called from
// the destructor.
void CheckSurfacePixels();
};
} // namespace blitter_pixel_tests
} // namespace nplb
} // namespace starboard
#endif // SB_HAS(BLITTER)
#endif // STARBOARD_NPLB_BLITTER_PIXEL_TESTS_FIXTURE_H_