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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*
* This is a straightforward test of using packed pixel configs (4444, 565).
* This test will make sure that these RGBA_4444 and RGB_565 are always supported
* as valid texturing configs.
*/
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrTexture.h"
static const int DEV_W = 100, DEV_H = 100;
static const SkIRect DEV_RECT = SkIRect::MakeWH(DEV_W, DEV_H);
template <typename T>
void runTest(skiatest::Reporter* reporter, GrContext* context,
T val1, T val2, int arraySize, GrPixelConfig config) {
SkTDArray<T> controlPixelData, readBuffer;
controlPixelData.setCount(arraySize);
readBuffer.setCount(arraySize);
for (int i = 0; i < arraySize; i += 2) {
controlPixelData[i] = val1;
controlPixelData[i + 1] = val2;
}
for (int origin = 0; origin < 2; ++origin) {
GrSurfaceDesc desc;
desc.fFlags = kNone_GrSurfaceFlags;
desc.fWidth = DEV_W;
desc.fHeight = DEV_H;
desc.fConfig = config;
desc.fOrigin = 0 == origin ?
kTopLeft_GrSurfaceOrigin : kBottomLeft_GrSurfaceOrigin;
SkAutoTUnref<GrTexture> fpTexture(context->textureProvider()->createTexture(
desc, SkBudgeted::kNo, controlPixelData.begin(), 0));
SkASSERT(fpTexture);
fpTexture->readPixels(0, 0, DEV_W, DEV_H, desc.fConfig, readBuffer.begin(), 0);
REPORTER_ASSERT(reporter,
0 == memcmp(readBuffer.begin(), controlPixelData.begin(),
readBuffer.bytes()));
}
}
static const int CONTROL_ARRAY_SIZE = DEV_W * DEV_H;
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RGBA4444TextureTest, reporter, ctxInfo) {
runTest<uint16_t>(reporter, ctxInfo.grContext(), 0xFF00, 0xFA62,
CONTROL_ARRAY_SIZE, kRGBA_4444_GrPixelConfig);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RGB565TextureTest, reporter, ctxInfo) {
runTest<uint16_t>(reporter, ctxInfo.grContext(), 0xFF00, 0xFA62,
CONTROL_ARRAY_SIZE, kRGB_565_GrPixelConfig);
}
#endif
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