8b7451aaf6
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1966013002 Review-Url: https://codereview.chromium.org/1966013002
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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* Copyright 2013 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 "SkTypes.h"
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "GrTexture.h"
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#include "GrTexturePriv.h"
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#include "SkCanvas.h"
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#include "SkGr.h"
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#include "SkSurface.h"
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#include "Test.h"
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// Tests that GrSurface::asTexture(), GrSurface::asRenderTarget(), and static upcasting of texture
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// and render targets to GrSurface all work as expected.
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DEF_GPUTEST_FOR_NULLGL_CONTEXT(GrTextureMipMapInvalidationTest, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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GrSurfaceDesc desc;
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desc.fConfig = kSkia8888_GrPixelConfig;
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desc.fFlags = kRenderTarget_GrSurfaceFlag;
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desc.fWidth = 256;
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desc.fHeight = 256;
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desc.fSampleCnt = 0;
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GrSurface* texRT1 = context->textureProvider()->createTexture(
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desc, SkBudgeted::kNo, nullptr, 0);
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GrSurface* texRT2 = context->textureProvider()->createTexture(
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desc, SkBudgeted::kNo, nullptr, 0);
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REPORTER_ASSERT(reporter, nullptr != texRT1);
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REPORTER_ASSERT(reporter, nullptr != texRT2);
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GrTexture* tex = texRT1->asTexture();
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REPORTER_ASSERT(reporter, nullptr != tex);
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SkBitmap bitmap;
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GrWrapTextureInBitmap(tex, 256, 256, false, &bitmap);
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// No mipmaps initially
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REPORTER_ASSERT(reporter, false == tex->texturePriv().hasMipMaps());
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// Painting with downscale and medium filter quality should result in mipmap creation
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auto surface = SkSurface::MakeRenderTargetDirect(texRT2->asRenderTarget());
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SkPaint paint;
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paint.setFilterQuality(kMedium_SkFilterQuality);
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surface->getCanvas()->scale(0.2f, 0.2f);
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surface->getCanvas()->drawBitmap(bitmap, 0, 0, &paint);
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context->flush();
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REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps());
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REPORTER_ASSERT(reporter, false == tex->texturePriv().mipMapsAreDirty());
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// Invalidating the contents of the bitmap should invalidate the mipmap, but not de-allocate
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bitmap.notifyPixelsChanged();
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REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps());
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REPORTER_ASSERT(reporter, true == tex->texturePriv().mipMapsAreDirty());
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texRT1->unref();
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texRT2->unref();
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}
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#endif
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