8c99eabdd9
This is a followup to https://codereview.chromium.org/2262233002/, adding a missing call to GrTextureStripAtlas::unlockRow. BUG=chromium:637678 GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2272953003 Review-Url: https://codereview.chromium.org/2272953003
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "GrGpu.h"
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#include "GrTextureStripAtlas.h"
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#include "GrTypes.h"
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#include "SkGpuDevice.h"
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// This tests that GrTextureStripAtlas flushes pending IO on the texture it acquires.
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrTextureStripAtlasFlush, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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GrSurfaceDesc desc;
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desc.fWidth = 32;
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desc.fHeight = 32;
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desc.fConfig = kRGBA_8888_GrPixelConfig;
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GrTexture* texture = context->textureProvider()->createTexture(desc, SkBudgeted::kYes,
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nullptr, 0);
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GrSurfaceDesc targetDesc = desc;
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targetDesc.fFlags = kRenderTarget_GrSurfaceFlag;
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GrTexture* target = context->textureProvider()->createTexture(targetDesc, SkBudgeted::kYes,
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nullptr, 0);
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SkAutoTMalloc<uint32_t> pixels(desc.fWidth * desc.fHeight);
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memset(pixels.get(), 0xFF, sizeof(uint32_t) * desc.fWidth * desc.fHeight);
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texture->writePixels(0, 0, desc.fWidth, desc.fHeight, kRGBA_8888_GrPixelConfig, pixels.get());
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// Add a pending read to the texture, and then make it available for reuse.
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context->copySurface(target, texture);
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texture->unref();
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// Create an atlas with parameters that allow it to reuse the texture.
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GrTextureStripAtlas::Desc atlasDesc;
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atlasDesc.fContext = context;
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atlasDesc.fConfig = desc.fConfig;
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atlasDesc.fWidth = desc.fWidth;
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atlasDesc.fHeight = desc.fHeight;
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atlasDesc.fRowHeight = 1;
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GrTextureStripAtlas* atlas = GrTextureStripAtlas::GetAtlas(atlasDesc);
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// Write to the atlas' texture.
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SkImageInfo info = SkImageInfo::MakeN32(desc.fWidth, desc.fHeight, kPremul_SkAlphaType);
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size_t rowBytes = desc.fWidth * GrBytesPerPixel(desc.fConfig);
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SkBitmap bitmap;
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bitmap.allocPixels(info, rowBytes);
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memset(bitmap.getPixels(), 1, rowBytes * desc.fHeight);
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int row = atlas->lockRow(bitmap);
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if (!context->caps()->preferVRAMUseOverFlushes())
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REPORTER_ASSERT(reporter, texture == atlas->getTexture());
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// The atlas' use of its texture shouldn't change which pixels got copied to the target.
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SkAutoTMalloc<uint32_t> actualPixels(desc.fWidth * desc.fHeight);
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bool success = target->readPixels(0, 0, desc.fWidth, desc.fHeight, kRGBA_8888_GrPixelConfig,
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actualPixels.get());
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REPORTER_ASSERT(reporter, success);
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REPORTER_ASSERT(reporter,
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!memcmp(pixels.get(), actualPixels.get(),
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sizeof(uint32_t) * desc.fWidth * desc.fHeight));
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target->unref();
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atlas->unlockRow(row);
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}
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#endif
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