blob: d799493c8fc8888d2d740af20235cd28eef2f02a (
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
|
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrDrawingManager_DEFINED
#define GrDrawingManager_DEFINED
#include "SkTDArray.h"
class GrContext;
class GrDrawContext;
class GrTextContext;
// Currently the DrawingManager creates a separate GrTextContext for each
// combination of text drawing options (pixel geometry x DFT use)
// and hands the appropriate one back given the DrawContext's request.
//
// It allocates a new GrDrawContext for each GrRenderTarget
// but all of them still land in the same GrDrawTarget!
//
// In the future this class will allocate a new GrDrawContext for
// each GrRenderTarget/GrDrawTarget and manage the DAG.
class GrDrawingManager {
public:
~GrDrawingManager();
bool abandoned() const { return fAbandoned; }
GrDrawContext* drawContext(GrRenderTarget* rt, const SkSurfaceProps* surfaceProps);
GrTextContext* textContext(const SkSurfaceProps& props, GrRenderTarget* rt);
// The caller automatically gets a ref on the returned drawTarget. It must
// be balanced by an unref call.
GrDrawTarget* newDrawTarget(GrRenderTarget* rt);
GrContext* getContext() { return fContext; }
private:
GrDrawingManager(GrContext* context)
: fContext(context)
, fAbandoned(false)
, fNVPRTextContext(nullptr) {
sk_bzero(fTextContexts, sizeof(fTextContexts));
}
void abandon();
void cleanup();
void reset();
void flush();
friend class GrContext; // for access to: ctor, abandon, reset & flush
static const int kNumPixelGeometries = 5; // The different pixel geometries
static const int kNumDFTOptions = 2; // DFT or no DFT
GrContext* fContext;
bool fAbandoned;
SkTDArray<GrDrawTarget*> fDrawTargets;
GrTextContext* fNVPRTextContext;
GrTextContext* fTextContexts[kNumPixelGeometries][kNumDFTOptions];
};
#endif
|
