1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrRenderTargetProxy.h"
#include "GrCaps.h"
#include "GrGpuResourcePriv.h"
#include "GrRenderTargetOpList.h"
#include "GrRenderTargetPriv.h"
#include "GrResourceProvider.h"
#include "GrTextureRenderTargetProxy.h"
#include "SkMathPriv.h"
// Deferred version
// TODO: we can probably munge the 'desc' in both the wrapped and deferred
// cases to make the sampleConfig/numSamples stuff more rational.
GrRenderTargetProxy::GrRenderTargetProxy(const GrCaps& caps, const GrSurfaceDesc& desc,
SkBackingFit fit, SkBudgeted budgeted, uint32_t flags)
: INHERITED(desc, fit, budgeted, flags)
, fSampleCnt(desc.fSampleCnt)
, fNeedsStencil(false)
, fRenderTargetFlags(GrRenderTargetFlags::kNone) {
// Since we know the newly created render target will be internal, we are able to precompute
// what the flags will ultimately end up being.
if (caps.usesMixedSamples() && fSampleCnt > 1) {
fRenderTargetFlags |= GrRenderTargetFlags::kMixedSampled;
}
if (caps.maxWindowRectangles() > 0) {
fRenderTargetFlags |= GrRenderTargetFlags::kWindowRectsSupport;
}
}
// Lazy-callback version
GrRenderTargetProxy::GrRenderTargetProxy(LazyInstantiateCallback&& callback,
const GrSurfaceDesc& desc,
SkBackingFit fit, SkBudgeted budgeted,
uint32_t flags)
: INHERITED(std::move(callback), desc, fit, budgeted, flags)
, fSampleCnt(desc.fSampleCnt)
, fNeedsStencil(false)
, fRenderTargetFlags(GrRenderTargetFlags::kNone) {
SkASSERT(SkToBool(kRenderTarget_GrSurfaceFlag & desc.fFlags));
}
// Wrapped version
GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrSurface> surf, GrSurfaceOrigin origin)
: INHERITED(std::move(surf), origin, SkBackingFit::kExact)
, fSampleCnt(fTarget->asRenderTarget()->numStencilSamples())
, fNeedsStencil(false)
, fRenderTargetFlags(fTarget->asRenderTarget()->renderTargetPriv().flags()) {
}
int GrRenderTargetProxy::maxWindowRectangles(const GrCaps& caps) const {
return (fRenderTargetFlags & GrRenderTargetFlags::kWindowRectsSupport)
? caps.maxWindowRectangles()
: 0;
}
bool GrRenderTargetProxy::instantiate(GrResourceProvider* resourceProvider) {
if (LazyState::kNot != this->lazyInstantiationState()) {
return false;
}
static constexpr GrSurfaceFlags kFlags = kRenderTarget_GrSurfaceFlag;
if (!this->instantiateImpl(resourceProvider, fSampleCnt, fNeedsStencil, kFlags,
GrMipMapped::kNo,
SkDestinationSurfaceColorMode::kLegacy, nullptr)) {
return false;
}
SkASSERT(fTarget->asRenderTarget());
SkASSERT(!fTarget->asTexture());
// Check that our a priori computation matched the ultimate reality
SkASSERT(fRenderTargetFlags == fTarget->asRenderTarget()->renderTargetPriv().flags());
return true;
}
sk_sp<GrSurface> GrRenderTargetProxy::createSurface(GrResourceProvider* resourceProvider) const {
static constexpr GrSurfaceFlags kFlags = kRenderTarget_GrSurfaceFlag;
sk_sp<GrSurface> surface = this->createSurfaceImpl(resourceProvider, fSampleCnt, fNeedsStencil,
kFlags, GrMipMapped::kNo,
SkDestinationSurfaceColorMode::kLegacy);
if (!surface) {
return nullptr;
}
SkASSERT(surface->asRenderTarget());
SkASSERT(!surface->asTexture());
// Check that our a priori computation matched the ultimate reality
SkASSERT(fRenderTargetFlags == surface->asRenderTarget()->renderTargetPriv().flags());
return surface;
}
size_t GrRenderTargetProxy::onUninstantiatedGpuMemorySize() const {
int colorSamplesPerPixel = this->numColorSamples();
if (colorSamplesPerPixel > 1) {
// Add one for the resolve buffer.
++colorSamplesPerPixel;
}
// TODO: do we have enough information to improve this worst case estimate?
return GrSurface::ComputeSize(this->config(), this->width(), this->height(),
colorSamplesPerPixel, GrMipMapped::kNo, !this->priv().isExact());
}
bool GrRenderTargetProxy::refsWrappedObjects() const {
if (!fTarget) {
return false;
}
return fTarget->resourcePriv().refsWrappedObjects();
}
|
