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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #include "GrRenderTarget.h" | 10 #include "GrRenderTarget.h" |
11 | 11 |
12 #include "GrContext.h" | 12 #include "GrContext.h" |
13 #include "GrDrawContext.h" | 13 #include "GrDrawContext.h" |
14 #include "GrDrawTarget.h" | 14 #include "GrDrawTarget.h" |
15 #include "GrGpu.h" | 15 #include "GrGpu.h" |
16 #include "GrRenderTargetPriv.h" | 16 #include "GrRenderTargetPriv.h" |
17 #include "GrStencilAttachment.h" | 17 #include "GrStencilAttachment.h" |
18 | 18 |
| 19 GrRenderTarget::~GrRenderTarget() { |
| 20 if (fLastDrawTarget) { |
| 21 fLastDrawTarget->clearRT(); |
| 22 } |
| 23 SkSafeUnref(fLastDrawTarget); |
| 24 } |
| 25 |
19 void GrRenderTarget::discard() { | 26 void GrRenderTarget::discard() { |
20 // go through context so that all necessary flushing occurs | 27 // go through context so that all necessary flushing occurs |
21 GrContext* context = this->getContext(); | 28 GrContext* context = this->getContext(); |
22 if (!context) { | 29 if (!context) { |
23 return; | 30 return; |
24 } | 31 } |
25 | 32 |
26 SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(this)); | 33 SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(this)); |
27 if (!drawContext) { | 34 if (!drawContext) { |
28 return; | 35 return; |
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50 fResolveRect.setLargestInverted(); | 57 fResolveRect.setLargestInverted(); |
51 } else { | 58 } else { |
52 if (!fResolveRect.intersect(0, 0, this->width(), this->height())) { | 59 if (!fResolveRect.intersect(0, 0, this->width(), this->height())) { |
53 fResolveRect.setLargestInverted(); | 60 fResolveRect.setLargestInverted(); |
54 } | 61 } |
55 } | 62 } |
56 } | 63 } |
57 | 64 |
58 void GrRenderTarget::onRelease() { | 65 void GrRenderTarget::onRelease() { |
59 SkSafeSetNull(fStencilAttachment); | 66 SkSafeSetNull(fStencilAttachment); |
60 fLastDrawTarget = nullptr; | |
61 | 67 |
62 INHERITED::onRelease(); | 68 INHERITED::onRelease(); |
63 } | 69 } |
64 | 70 |
65 void GrRenderTarget::onAbandon() { | 71 void GrRenderTarget::onAbandon() { |
66 SkSafeSetNull(fStencilAttachment); | 72 SkSafeSetNull(fStencilAttachment); |
67 fLastDrawTarget = nullptr; | 73 |
| 74 // The contents of this renderTarget are gone/invalid. It isn't useful to po
int back |
| 75 // the creating drawTarget. |
| 76 this->setLastDrawTarget(nullptr); |
68 | 77 |
69 INHERITED::onAbandon(); | 78 INHERITED::onAbandon(); |
70 } | 79 } |
71 | 80 |
72 void GrRenderTarget::setLastDrawTarget(GrDrawTarget* dt) { | 81 void GrRenderTarget::setLastDrawTarget(GrDrawTarget* dt) { |
73 if (fLastDrawTarget) { | 82 if (fLastDrawTarget) { |
| 83 // The non-MDB world never closes so we can't check this condition |
| 84 #ifdef ENABLE_MDB |
74 SkASSERT(fLastDrawTarget->isClosed()); | 85 SkASSERT(fLastDrawTarget->isClosed()); |
| 86 #endif |
| 87 fLastDrawTarget->clearRT(); |
75 } | 88 } |
76 | 89 |
77 fLastDrawTarget = dt; | 90 SkRefCnt_SafeAssign(fLastDrawTarget, dt); |
78 } | 91 } |
79 | 92 |
80 /////////////////////////////////////////////////////////////////////////////// | 93 /////////////////////////////////////////////////////////////////////////////// |
81 | 94 |
82 bool GrRenderTargetPriv::attachStencilAttachment(GrStencilAttachment* stencil) { | 95 bool GrRenderTargetPriv::attachStencilAttachment(GrStencilAttachment* stencil) { |
83 if (!stencil && !fRenderTarget->fStencilAttachment) { | 96 if (!stencil && !fRenderTarget->fStencilAttachment) { |
84 // No need to do any work since we currently don't have a stencil attach
ment and | 97 // No need to do any work since we currently don't have a stencil attach
ment and |
85 // we're not acctually adding one. | 98 // we're not acctually adding one. |
86 return true; | 99 return true; |
87 } | 100 } |
88 fRenderTarget->fStencilAttachment = stencil; | 101 fRenderTarget->fStencilAttachment = stencil; |
89 if (!fRenderTarget->completeStencilAttachment()) { | 102 if (!fRenderTarget->completeStencilAttachment()) { |
90 SkSafeSetNull(fRenderTarget->fStencilAttachment); | 103 SkSafeSetNull(fRenderTarget->fStencilAttachment); |
91 return false; | 104 return false; |
92 } | 105 } |
93 return true; | 106 return true; |
94 } | 107 } |
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