c7ad40f76f
Most of this is (obviously) not necessary to do, but once I started, I figured I'd just get it all. Tools (nanobench, DM, skiaserve), all GMs, benches, and unit tests, plus support code (command line parsing and config stuff). This is almost entirely mechanical. Bug: skia: Change-Id: I209500f8df8c5bd43f8298ff26440d1c4d7425fb Reviewed-on: https://skia-review.googlesource.com/131153 Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
54 lines
2.0 KiB
C++
54 lines
2.0 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 "SkTypes.h"
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#include "GrContext.h"
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#include "GrTexturePriv.h"
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#include "SkCanvas.h"
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#include "SkImage_Base.h"
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#include "SkSurface.h"
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#include "Test.h"
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// Tests that MIP maps are created and invalidated as expected when drawing to and from GrTextures.
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DEF_GPUTEST_FOR_NULLGL_CONTEXT(GrTextureMipMapInvalidationTest, reporter, ctxInfo) {
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auto isMipped = [] (SkSurface* surf) {
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const GrTexture* texture = surf->makeImageSnapshot()->getTexture();
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return GrMipMapped::kYes == texture->texturePriv().mipMapped();
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};
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auto mipsAreDirty = [] (SkSurface* surf) {
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return surf->makeImageSnapshot()->getTexture()->texturePriv().mipMapsAreDirty();
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};
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GrContext* context = ctxInfo.grContext();
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auto info = SkImageInfo::MakeN32Premul(256, 256);
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auto surf1 = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info);
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auto surf2 = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info);
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// Draw something just in case we ever had a solid color optimization
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surf1->getCanvas()->drawCircle(128, 128, 50, SkPaint());
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surf1->getCanvas()->flush();
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// No mipmaps initially
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REPORTER_ASSERT(reporter, !isMipped(surf1.get()));
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// Painting with downscale and medium filter quality should result in mipmap creation
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SkPaint paint;
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paint.setFilterQuality(kMedium_SkFilterQuality);
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surf2->getCanvas()->scale(0.2f, 0.2f);
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surf2->getCanvas()->drawImage(surf1->makeImageSnapshot(), 0, 0, &paint);
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surf2->getCanvas()->flush();
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REPORTER_ASSERT(reporter, isMipped(surf1.get()));
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REPORTER_ASSERT(reporter, !mipsAreDirty(surf1.get()));
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// Changing the contents of the surface should invalidate the mipmap, but not de-allocate
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surf1->getCanvas()->drawCircle(128, 128, 100, SkPaint());
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surf1->getCanvas()->flush();
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REPORTER_ASSERT(reporter, isMipped(surf1.get()));
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REPORTER_ASSERT(reporter, mipsAreDirty(surf1.get()));
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}
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