blob: 156de0096e7563971ac39174ce81da3fc6cdc0b0 [file] [log] [blame]
* Copyright 2020 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
// We want to make sure that if we collapse src-over down to src when blending, that batching still
// works correctly with a draw that explicitly requests src.
#include "include/core/SkCanvas.h"
#include "include/core/SkShader.h"
#include "include/core/SkSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "tests/Test.h"
#include "tools/gpu/GrContextFactory.h"
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SrcSrcOverBatchTest, reporter, ctxInfo) {
auto ctx = ctxInfo.directContext();
static const int kSize = 8;
const SkImageInfo ii = SkImageInfo::Make(kSize, kSize, kRGBA_8888_SkColorType,
sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo,
ii, 0, kTopLeft_GrSurfaceOrigin,
auto canvas = surface->getCanvas();
SkPaint paint;
// Setting a shader so that we actually build a processor set and don't fallback to all
// defaults.
SkIRect rect = SkIRect::MakeWH(2, 2);
canvas->drawIRect(rect, paint);
// Now draw a rect with src blend mode. If we collapsed the previous draw to src blend mode (a
// setting on caps plus not having any coverage), then we expect this second draw to try to
// batch with it. This test is a success if we don't hit any asserts, specifically making sure
// that both things we decided can be batched together claim to have the same value for
// CompatibleWithCoverageAsAlpha.
canvas->translate(3, 0);
canvas->drawIRect(rect, paint);