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
118
119
120
121
122
|
/*
* 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 GrVkBuffer_DEFINED
#define GrVkBuffer_DEFINED
#include "GrVkResource.h"
#include "vk/GrVkDefines.h"
#include "vk/GrVkTypes.h"
class GrVkGpu;
/**
* This class serves as the base of GrVk*Buffer classes. It was written to avoid code
* duplication in those classes.
*/
class GrVkBuffer : public SkNoncopyable {
public:
virtual ~GrVkBuffer() {
// either release or abandon should have been called by the owner of this object.
SkASSERT(!fResource);
delete [] (unsigned char*)fMapPtr;
}
VkBuffer buffer() const { return fResource->fBuffer; }
const GrVkAlloc& alloc() const { return fResource->fAlloc; }
const GrVkRecycledResource* resource() const { return fResource; }
size_t size() const { return fDesc.fSizeInBytes; }
VkDeviceSize offset() const { return fOffset; }
void addMemoryBarrier(const GrVkGpu* gpu,
VkAccessFlags srcAccessMask,
VkAccessFlags dstAccessMask,
VkPipelineStageFlags srcStageMask,
VkPipelineStageFlags dstStageMask,
bool byRegion) const;
enum Type {
kVertex_Type,
kIndex_Type,
kUniform_Type,
kTexel_Type,
kCopyRead_Type,
kCopyWrite_Type,
};
protected:
struct Desc {
size_t fSizeInBytes;
Type fType; // vertex buffer, index buffer, etc.
bool fDynamic;
};
class Resource : public GrVkRecycledResource {
public:
Resource(VkBuffer buf, const GrVkAlloc& alloc, Type type)
: INHERITED(), fBuffer(buf), fAlloc(alloc), fType(type) {}
#ifdef SK_TRACE_VK_RESOURCES
void dumpInfo() const override {
SkDebugf("GrVkBuffer: %d (%d refs)\n", fBuffer, this->getRefCnt());
}
#endif
VkBuffer fBuffer;
GrVkAlloc fAlloc;
Type fType;
private:
void freeGPUData(const GrVkGpu* gpu) const override;
void onRecycle(GrVkGpu* gpu) const override { this->unref(gpu); }
typedef GrVkRecycledResource INHERITED;
};
// convenience routine for raw buffer creation
static const Resource* Create(const GrVkGpu* gpu,
const Desc& descriptor);
GrVkBuffer(const Desc& desc, const GrVkBuffer::Resource* resource)
: fDesc(desc), fResource(resource), fOffset(0), fMapPtr(nullptr) {
}
void* vkMap(GrVkGpu* gpu) {
this->internalMap(gpu, fDesc.fSizeInBytes);
return fMapPtr;
}
void vkUnmap(GrVkGpu* gpu) { this->internalUnmap(gpu, this->size()); }
// If the caller passes in a non null createdNewBuffer, this function will set the bool to true
// if it creates a new VkBuffer to upload the data to.
bool vkUpdateData(GrVkGpu* gpu, const void* src, size_t srcSizeInBytes,
bool* createdNewBuffer = nullptr);
void vkAbandon();
void vkRelease(const GrVkGpu* gpu);
private:
virtual const Resource* createResource(GrVkGpu* gpu,
const Desc& descriptor) {
return Create(gpu, descriptor);
}
void internalMap(GrVkGpu* gpu, size_t size, bool* createdNewBuffer = nullptr);
void internalUnmap(GrVkGpu* gpu, size_t size);
void validate() const;
bool vkIsMapped() const;
Desc fDesc;
const Resource* fResource;
VkDeviceSize fOffset;
void* fMapPtr;
typedef SkNoncopyable INHERITED;
};
#endif
|
