1 /*
2 * Copyright 2018 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 "src/gpu/ccpr/GrCCClipPath.h"
9
10 #include "include/gpu/GrTexture.h"
11 #include "src/gpu/GrOnFlushResourceProvider.h"
12 #include "src/gpu/GrProxyProvider.h"
13 #include "src/gpu/GrRenderTarget.h"
14 #include "src/gpu/ccpr/GrCCPerFlushResources.h"
15
init(const SkPath & deviceSpacePath,const SkIRect & accessRect,GrCCAtlas::CoverageType atlasCoverageType,const GrCaps & caps)16 void GrCCClipPath::init(
17 const SkPath& deviceSpacePath, const SkIRect& accessRect,
18 GrCCAtlas::CoverageType atlasCoverageType, const GrCaps& caps) {
19 SkASSERT(!this->isInitialized());
20
21 fAtlasLazyProxy = GrCCAtlas::MakeLazyAtlasProxy(
22 [this](GrResourceProvider* resourceProvider, GrPixelConfig,
23 const GrBackendFormat& format, int sampleCount) {
24 SkASSERT(fHasAtlas);
25 SkASSERT(!fHasAtlasTransform);
26
27 GrTextureProxy* textureProxy = fAtlas ? fAtlas->textureProxy() : nullptr;
28
29 if (!textureProxy || !textureProxy->instantiate(resourceProvider)) {
30 fAtlasScale = fAtlasTranslate = {0, 0};
31 SkDEBUGCODE(fHasAtlasTransform = true);
32 return sk_sp<GrTexture>();
33 }
34
35 sk_sp<GrTexture> texture = sk_ref_sp(textureProxy->peekTexture());
36 SkASSERT(texture);
37 SkASSERT(texture->backendFormat() == format);
38 SkASSERT(texture->asRenderTarget()->numSamples() == sampleCount);
39 SkASSERT(textureProxy->origin() == kTopLeft_GrSurfaceOrigin);
40
41 fAtlasScale = {1.f / texture->width(), 1.f / texture->height()};
42 fAtlasTranslate.set(fDevToAtlasOffset.fX * fAtlasScale.x(),
43 fDevToAtlasOffset.fY * fAtlasScale.y());
44 SkDEBUGCODE(fHasAtlasTransform = true);
45
46 return texture;
47 },
48 atlasCoverageType, caps);
49
50 fDeviceSpacePath = deviceSpacePath;
51 fDeviceSpacePath.getBounds().roundOut(&fPathDevIBounds);
52 fAccessRect = accessRect;
53 }
54
accountForOwnPath(GrCCPerFlushResourceSpecs * specs) const55 void GrCCClipPath::accountForOwnPath(GrCCPerFlushResourceSpecs* specs) const {
56 SkASSERT(this->isInitialized());
57
58 ++specs->fNumClipPaths;
59 specs->fRenderedPathStats[GrCCPerFlushResourceSpecs::kFillIdx].statPath(fDeviceSpacePath);
60
61 SkIRect ibounds;
62 if (ibounds.intersect(fAccessRect, fPathDevIBounds)) {
63 specs->fRenderedAtlasSpecs.accountForSpace(ibounds.width(), ibounds.height());
64 }
65 }
66
renderPathInAtlas(GrCCPerFlushResources * resources,GrOnFlushResourceProvider * onFlushRP)67 void GrCCClipPath::renderPathInAtlas(GrCCPerFlushResources* resources,
68 GrOnFlushResourceProvider* onFlushRP) {
69 SkASSERT(this->isInitialized());
70 SkASSERT(!fHasAtlas);
71 fAtlas = resources->renderDeviceSpacePathInAtlas(
72 fAccessRect, fDeviceSpacePath, fPathDevIBounds, GrFillRuleForSkPath(fDeviceSpacePath),
73 &fDevToAtlasOffset);
74 SkDEBUGCODE(fHasAtlas = true);
75 }
76