1 /*
2 * Copyright 2017 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "tests/Test.h"
9
10 #include "include/core/SkPath.h"
11 #include "include/gpu/GrDirectContext.h"
12 #include "include/gpu/GrRecordingContext.h"
13 #include "src/gpu/GrDirectContextPriv.h"
14 #include "src/gpu/GrRecordingContextPriv.h"
15 #include "src/gpu/GrResourceCache.h"
16 #include "src/gpu/GrStyle.h"
17 #include "src/gpu/effects/GrPorterDuffXferProcessor.h"
18 #include "src/gpu/geometry/GrStyledShape.h"
19 #include "src/gpu/ops/SoftwarePathRenderer.h"
20 #include "src/gpu/ops/TriangulatingPathRenderer.h"
21 #include "src/gpu/v1/SurfaceDrawContext_v1.h"
22
create_concave_path()23 static SkPath create_concave_path() {
24 SkPath path;
25 path.moveTo(100, 0);
26 path.lineTo(200, 200);
27 path.lineTo(100, 150);
28 path.lineTo(0, 200);
29 path.close();
30 return path;
31 }
32
draw_path(GrRecordingContext * rContext,skgpu::v1::SurfaceDrawContext * sdc,const SkPath & path,skgpu::v1::PathRenderer * pr,GrAAType aaType,const GrStyle & style,float scaleX=1.f)33 static void draw_path(GrRecordingContext* rContext,
34 skgpu::v1::SurfaceDrawContext* sdc,
35 const SkPath& path,
36 skgpu::v1::PathRenderer* pr,
37 GrAAType aaType,
38 const GrStyle& style,
39 float scaleX = 1.f) {
40 GrPaint paint;
41 paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
42
43 SkIRect clipConservativeBounds = SkIRect::MakeWH(sdc->width(),
44 sdc->height());
45 GrStyledShape shape(path, style);
46 if (shape.style().applies()) {
47 shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, 1.0f);
48 }
49 SkMatrix matrix = SkMatrix::I();
50 matrix.setScaleX(scaleX);
51 skgpu::v1::PathRenderer::DrawPathArgs args{rContext,
52 std::move(paint),
53 &GrUserStencilSettings::kUnused,
54 sdc,
55 nullptr,
56 &clipConservativeBounds,
57 &matrix,
58 &shape,
59 aaType,
60 false};
61 pr->drawPath(args);
62 }
63
cache_non_scratch_resources_equals(GrResourceCache * cache,int expected)64 static bool cache_non_scratch_resources_equals(GrResourceCache* cache, int expected) {
65 #if GR_CACHE_STATS
66 GrResourceCache::Stats stats;
67 cache->getStats(&stats);
68 return (stats.fTotal - stats.fScratch) == expected;
69 #else
70 return true;
71 #endif
72 }
73
test_path(skiatest::Reporter * reporter,std::function<SkPath (void)> createPath,std::function<skgpu::v1::PathRenderer * (GrRecordingContext *)> makePathRenderer,int expected,bool checkListeners,GrAAType aaType=GrAAType::kNone,GrStyle style=GrStyle (SkStrokeRec::kFill_InitStyle))74 static void test_path(skiatest::Reporter* reporter,
75 std::function<SkPath(void)> createPath,
76 std::function<skgpu::v1::PathRenderer*(GrRecordingContext*)> makePathRenderer,
77 int expected,
78 bool checkListeners,
79 GrAAType aaType = GrAAType::kNone,
80 GrStyle style = GrStyle(SkStrokeRec::kFill_InitStyle)) {
81 sk_sp<GrDirectContext> dContext = GrDirectContext::MakeMock(nullptr);
82 // The cache needs to be big enough that nothing gets flushed, or our expectations can be wrong
83 dContext->setResourceCacheLimit(8000000);
84 GrResourceCache* cache = dContext->priv().getResourceCache();
85
86 auto sdc = skgpu::v1::SurfaceDrawContext::Make(
87 dContext.get(), GrColorType::kRGBA_8888, nullptr, SkBackingFit::kApprox, {800, 800},
88 SkSurfaceProps(), 1, GrMipmapped::kNo, GrProtected::kNo, kTopLeft_GrSurfaceOrigin);
89 if (!sdc) {
90 return;
91 }
92
93 sk_sp<skgpu::v1::PathRenderer> pathRenderer(makePathRenderer(dContext.get()));
94 SkPath path = createPath();
95
96 // Initially, cache only has the render target context
97 REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, 0));
98
99 // Draw the path, check that new resource count matches expectations
100 draw_path(dContext.get(), sdc.get(), path, pathRenderer.get(), aaType, style);
101 dContext->flushAndSubmit();
102 REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, expected));
103
104 // Nothing should be purgeable yet
105 cache->purgeAsNeeded();
106 REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, expected));
107
108 // Reset the path to change the GenID, which should invalidate one resource in the cache.
109 // Some path renderers may leave other unique-keyed resources in the cache, though.
110 path.reset();
111 cache->purgeAsNeeded();
112 REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, expected - 1));
113
114 if (!checkListeners) {
115 return;
116 }
117
118 // Test that purging the cache of masks also removes listeners from the path.
119 path = createPath();
120 REPORTER_ASSERT(reporter, SkPathPriv::GenIDChangeListenersCount(path) == 0);
121 for (int i = 0; i < 20; ++i) {
122 float scaleX = 1 + ((float)i + 1)/20.f;
123 draw_path(dContext.get(), sdc.get(), path, pathRenderer.get(), aaType, style, scaleX);
124 }
125 dContext->flushAndSubmit();
126 REPORTER_ASSERT(reporter, SkPathPriv::GenIDChangeListenersCount(path) == 20);
127 cache->purgeUnlockedResources();
128 // The listeners don't actually purge until we try to add another one.
129 draw_path(dContext.get(), sdc.get(), path, pathRenderer.get(), aaType, style);
130 REPORTER_ASSERT(reporter, SkPathPriv::GenIDChangeListenersCount(path) == 1);
131 }
132
133 // Test that deleting the original path invalidates the VBs cached by the tessellating path renderer
134 DEF_GPUTEST(TriangulatingPathRendererCacheTest, reporter, /* options */) {
__anon82ae1cd60102(GrRecordingContext*) 135 auto createPR = [](GrRecordingContext*) {
136 return new skgpu::v1::TriangulatingPathRenderer();
137 };
138
139 // Triangulating path renderer creates a single vertex buffer for non-AA paths. No other
140 // resources should be created.
141 const int kExpectedResources = 1;
142
143 test_path(reporter, create_concave_path, createPR, kExpectedResources, false);
144
145 // Test with a style that alters the path geometry. This needs to attach the invalidation logic
146 // to the original path, not the modified path produced by the style.
147 SkPaint paint;
148 paint.setStyle(SkPaint::kStroke_Style);
149 paint.setStrokeWidth(1);
150 GrStyle style(paint);
151 test_path(reporter, create_concave_path, createPR, kExpectedResources, false, GrAAType::kNone,
152 style);
153 }
154
155 // Test that deleting the original path invalidates the textures cached by the SW path renderer
156 DEF_GPUTEST(SoftwarePathRendererCacheTest, reporter, /* options */) {
__anon82ae1cd60202(GrRecordingContext* rContext) 157 auto createPR = [](GrRecordingContext* rContext) {
158 return new skgpu::v1::SoftwarePathRenderer(rContext->priv().proxyProvider(), true);
159 };
160
161 // Software path renderer creates a mask texture and renders with a non-AA rect, but the flush
162 // only contains a single quad so FillRectOp doesn't need to use the shared index buffer.
163 const int kExpectedResources = 1;
164
165 test_path(reporter, create_concave_path, createPR, kExpectedResources, true,
166 GrAAType::kCoverage);
167
168 // Test with a style that alters the path geometry. This needs to attach the invalidation logic
169 // to the original path, not the modified path produced by the style.
170 SkPaint paint;
171 paint.setStyle(SkPaint::kStroke_Style);
172 paint.setStrokeWidth(1);
173 GrStyle style(paint);
174 test_path(reporter, create_concave_path, createPR, kExpectedResources, true,
175 GrAAType::kCoverage, style);
176 }
177