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>
140 lines
4.7 KiB
C++
140 lines
4.7 KiB
C++
/*
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* Copyright 2017 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 "GrClip.h"
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#include "GrColor.h"
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#include "GrContext.h"
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#include "GrContextFactory.h"
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#include "GrContextOptions.h"
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#include "GrContextPriv.h"
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#include "GrFragmentProcessor.h"
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#include "GrPaint.h"
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#include "GrRenderTargetContext.h"
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#include "GrStyle.h"
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#include "GrTypesPriv.h"
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#include "SkBitmap.h"
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#include "SkColor.h"
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#include "SkColorSpace.h"
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#include "SkImageInfo.h"
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#include "SkMatrix.h"
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#include "SkPath.h"
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#include "SkRect.h"
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#include "SkRefCnt.h"
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#include "SkStrokeRec.h"
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#include "Test.h"
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#include "effects/GrConstColorProcessor.h"
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#include <utility>
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static void only_allow_default(GrContextOptions* options) {
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options->fGpuPathRenderers = GpuPathRenderers::kNone;
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}
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static SkBitmap read_back(GrRenderTargetContext* rtc, int width, int height) {
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SkImageInfo dstII = SkImageInfo::MakeN32Premul(width, height);
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SkBitmap bm;
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bm.allocPixels(dstII);
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rtc->readPixels(dstII, bm.getAddr(0, 0), bm.rowBytes(), 0, 0, 0);
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return bm;
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}
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static SkPath make_path(const SkRect& outer, int inset, SkPath::FillType fill) {
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SkPath p;
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p.addRect(outer, SkPath::kCW_Direction);
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p.addRect(outer.makeInset(inset, inset), SkPath::kCCW_Direction);
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p.setFillType(fill);
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return p;
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}
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static const int kBigSize = 64; // This should be a power of 2
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static const int kPad = 3;
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// From crbug.com/769898:
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// create an approx fit render target context that will have extra space (i.e., npot)
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// draw an inverse wound concave path into it - forcing use of the stencil-using path renderer
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// throw the RTC away so the backing GrSurface/GrStencilBuffer can be reused
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// create a new render target context that will reuse the prior GrSurface
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// draw a normally wound concave path that touches outside of the approx fit RTC's content rect
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//
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// When the bug manifests the GrDefaultPathRenderer/GrMSAAPathRenderer is/was leaving the stencil
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// buffer outside of the first content rect in a bad state and the second draw would be incorrect.
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static void run_test(GrContext* ctx, skiatest::Reporter* reporter) {
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SkPath invPath = make_path(SkRect::MakeXYWH(0, 0, kBigSize, kBigSize),
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kBigSize/2-1, SkPath::kInverseWinding_FillType);
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SkPath path = make_path(SkRect::MakeXYWH(0, 0, kBigSize, kBigSize),
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kPad, SkPath::kWinding_FillType);
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GrStyle style(SkStrokeRec::kFill_InitStyle);
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{
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auto rtc = ctx->contextPriv().makeDeferredRenderTargetContext(
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SkBackingFit::kApprox,
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kBigSize/2+1, kBigSize/2+1,
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kRGBA_8888_GrPixelConfig, nullptr);
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rtc->clear(nullptr, GrColorPackRGBA(0x0, 0x0, 0x0, 0xFF),
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GrRenderTargetContext::CanClearFullscreen::kYes);
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GrPaint paint;
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const GrColor4f color = { 1.0f, 0.0f, 0.0f, 1.0f };
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auto fp = GrConstColorProcessor::Make(color, GrConstColorProcessor::InputMode::kIgnore);
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paint.addColorFragmentProcessor(std::move(fp));
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rtc->drawPath(GrNoClip(), std::move(paint), GrAA::kNo,
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SkMatrix::I(), invPath, style);
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rtc->prepareForExternalIO(0, nullptr);
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}
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{
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auto rtc = ctx->contextPriv().makeDeferredRenderTargetContext(
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SkBackingFit::kExact, kBigSize, kBigSize,
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kRGBA_8888_GrPixelConfig, nullptr);
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rtc->clear(nullptr, GrColorPackRGBA(0x0, 0x0, 0x0, 0xFF),
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GrRenderTargetContext::CanClearFullscreen::kYes);
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GrPaint paint;
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const GrColor4f color = { 0.0f, 1.0f, 0.0f, 1.0f };
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auto fp = GrConstColorProcessor::Make(color, GrConstColorProcessor::InputMode::kIgnore);
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paint.addColorFragmentProcessor(std::move(fp));
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rtc->drawPath(GrNoClip(), std::move(paint), GrAA::kNo,
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SkMatrix::I(), path, style);
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SkBitmap bm = read_back(rtc.get(), kBigSize, kBigSize);
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bool correct = true;
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for (int y = kBigSize/2+1; y < kBigSize-kPad-1 && correct; ++y) {
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for (int x = kPad+1; x < kBigSize-kPad-1 && correct; ++x) {
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correct = bm.getColor(x, y) == SK_ColorBLACK;
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REPORTER_ASSERT(reporter, correct);
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}
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}
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}
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}
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DEF_GPUTEST_FOR_CONTEXTS(GrDefaultPathRendererTest,
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sk_gpu_test::GrContextFactory::IsRenderingContext,
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reporter, ctxInfo, only_allow_default) {
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GrContext* ctx = ctxInfo.grContext();
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run_test(ctx, reporter);
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}
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