48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
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/*
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* Copyright 2020 Google LLC
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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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// We want to make sure that if we collapse src-over down to src when blending, that batching still
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// works correctly with a draw that explicitly requests src.
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#include "include/core/SkCanvas.h"
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#include "include/core/SkShader.h"
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#include "include/core/SkSurface.h"
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#include "tests/Test.h"
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#include "tools/gpu/GrContextFactory.h"
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SrcSrcOverBatchTest, reporter, ctxInfo) {
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GrContext* ctx = ctxInfo.grContext();
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static const int kSize = 8;
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const SkImageInfo ii = SkImageInfo::Make(kSize, kSize, kRGBA_8888_SkColorType,
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kPremul_SkAlphaType);
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sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo,
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ii, 0, kTopLeft_GrSurfaceOrigin,
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nullptr));
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auto canvas = surface->getCanvas();
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SkPaint paint;
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// Setting a shader so that we actually build a processor set and don't fallback to all
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// defaults.
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paint.setShader(SkShaders::Color(SK_ColorRED));
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SkIRect rect = SkIRect::MakeWH(2, 2);
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canvas->drawIRect(rect, paint);
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// Now draw a rect with src blend mode. If we collapsed the previous draw to src blend mode (a
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// setting on caps plus not having any coverage), then we expect this second draw to try to
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// batch with it. This test is a success if we don't hit any asserts, specifically making sure
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// that both things we decided can be batched together claim to have the same value for
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// CompatibleWithCoverageAsAlpha.
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canvas->translate(3, 0);
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paint.setBlendMode(SkBlendMode::kSrc);
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canvas->drawIRect(rect, paint);
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}
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