1 /*
2 * Copyright 2011 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
9 #include "GrRenderTarget.h"
10
11 #include "GrContext.h"
12 #include "GrContextPriv.h"
13 #include "GrRenderTargetContext.h"
14 #include "GrGpu.h"
15 #include "GrRenderTargetOpList.h"
16 #include "GrRenderTargetPriv.h"
17 #include "GrStencilAttachment.h"
18 #include "GrStencilSettings.h"
19 #include "SkRectPriv.h"
20
GrRenderTarget(GrGpu * gpu,const GrSurfaceDesc & desc,GrStencilAttachment * stencil)21 GrRenderTarget::GrRenderTarget(GrGpu* gpu, const GrSurfaceDesc& desc,
22 GrStencilAttachment* stencil)
23 : INHERITED(gpu, desc)
24 , fSampleCnt(desc.fSampleCnt)
25 , fStencilAttachment(stencil) {
26 SkASSERT(desc.fFlags & kRenderTarget_GrSurfaceFlag);
27 SkASSERT(!this->hasMixedSamples() || fSampleCnt > 1);
28 fResolveRect = SkRectPriv::MakeILargestInverted();
29 }
30
31 GrRenderTarget::~GrRenderTarget() = default;
32
flagAsNeedingResolve(const SkIRect * rect)33 void GrRenderTarget::flagAsNeedingResolve(const SkIRect* rect) {
34 if (kCanResolve_ResolveType == getResolveType()) {
35 if (rect) {
36 fResolveRect.join(*rect);
37 if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
38 fResolveRect.setEmpty();
39 }
40 } else {
41 fResolveRect.setLTRB(0, 0, this->width(), this->height());
42 }
43 }
44 }
45
overrideResolveRect(const SkIRect rect)46 void GrRenderTarget::overrideResolveRect(const SkIRect rect) {
47 fResolveRect = rect;
48 if (fResolveRect.isEmpty()) {
49 fResolveRect = SkRectPriv::MakeILargestInverted();
50 } else {
51 if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
52 fResolveRect = SkRectPriv::MakeILargestInverted();
53 }
54 }
55 }
56
flagAsResolved()57 void GrRenderTarget::flagAsResolved() {
58 fResolveRect = SkRectPriv::MakeILargestInverted();
59 }
60
onRelease()61 void GrRenderTarget::onRelease() {
62 fStencilAttachment = nullptr;
63
64 INHERITED::onRelease();
65 }
66
onAbandon()67 void GrRenderTarget::onAbandon() {
68 fStencilAttachment = nullptr;
69
70 INHERITED::onAbandon();
71 }
72
73 ///////////////////////////////////////////////////////////////////////////////
74
attachStencilAttachment(sk_sp<GrStencilAttachment> stencil)75 void GrRenderTargetPriv::attachStencilAttachment(sk_sp<GrStencilAttachment> stencil) {
76 if (!stencil && !fRenderTarget->fStencilAttachment) {
77 // No need to do any work since we currently don't have a stencil attachment and
78 // we're not actually adding one.
79 return;
80 }
81 fRenderTarget->fStencilAttachment = std::move(stencil);
82 if (!fRenderTarget->completeStencilAttachment()) {
83 fRenderTarget->fStencilAttachment = nullptr;
84 }
85 }
86
numStencilBits() const87 int GrRenderTargetPriv::numStencilBits() const {
88 SkASSERT(this->getStencilAttachment());
89 return this->getStencilAttachment()->bits();
90 }
91