aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/gpu/GrRenderTarget.cpp
blob: 00b4d29ffcd00686cbb74e5647854f435682f971 (plain)
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
/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */


#include "GrRenderTarget.h"

#include "GrContext.h"
#include "GrContextPriv.h"
#include "GrRenderTargetContext.h"
#include "GrGpu.h"
#include "GrRenderTargetOpList.h"
#include "GrRenderTargetPriv.h"
#include "GrStencilAttachment.h"
#include "GrStencilSettings.h"
#include "SkRectPriv.h"

GrRenderTarget::GrRenderTarget(GrGpu* gpu, const GrSurfaceDesc& desc,
                               GrStencilAttachment* stencil)
        : INHERITED(gpu, desc)
        , fSampleCnt(desc.fSampleCnt)
        , fStencilAttachment(stencil) {
    SkASSERT(desc.fFlags & kRenderTarget_GrSurfaceFlag);
    SkASSERT(!this->hasMixedSamples() || fSampleCnt > 1);
    SkASSERT(!this->supportsWindowRects() || gpu->caps()->maxWindowRectangles() > 0);
    fResolveRect = SkRectPriv::MakeILargestInverted();
}

GrRenderTarget::~GrRenderTarget() = default;

void GrRenderTarget::flagAsNeedingResolve(const SkIRect* rect) {
    if (kCanResolve_ResolveType == getResolveType()) {
        if (rect) {
            fResolveRect.join(*rect);
            if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
                fResolveRect.setEmpty();
            }
        } else {
            fResolveRect.setLTRB(0, 0, this->width(), this->height());
        }
    }
}

void GrRenderTarget::overrideResolveRect(const SkIRect rect) {
    fResolveRect = rect;
    if (fResolveRect.isEmpty()) {
        fResolveRect = SkRectPriv::MakeILargestInverted();
    } else {
        if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
            fResolveRect = SkRectPriv::MakeILargestInverted();
        }
    }
}

void GrRenderTarget::flagAsResolved() {
    fResolveRect = SkRectPriv::MakeILargestInverted();
}

void GrRenderTarget::onRelease() {
    fStencilAttachment = nullptr;

    INHERITED::onRelease();
}

void GrRenderTarget::onAbandon() {
    fStencilAttachment = nullptr;

    INHERITED::onAbandon();
}

///////////////////////////////////////////////////////////////////////////////

bool GrRenderTargetPriv::attachStencilAttachment(sk_sp<GrStencilAttachment> stencil) {
    if (!stencil && !fRenderTarget->fStencilAttachment) {
        // No need to do any work since we currently don't have a stencil attachment and
        // we're not actually adding one.
        return true;
    }
    fRenderTarget->fStencilAttachment = std::move(stencil);
    if (!fRenderTarget->completeStencilAttachment()) {
        fRenderTarget->fStencilAttachment = nullptr;
        return false;
    }
    return true;
}

int GrRenderTargetPriv::numStencilBits() const {
    SkASSERT(this->getStencilAttachment());
    return this->getStencilAttachment()->bits();
}