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.
*/
#ifndef GrVkUniformHandler_DEFINED
#define GrVkUniformHandler_DEFINED
#include "GrAllocator.h"
#include "GrShaderVar.h"
#include "glsl/GrGLSLUniformHandler.h"
class GrVkUniformHandler : public GrGLSLUniformHandler {
public:
static const int kUniformsPerBlock = 8;
enum {
kUniformBufferDescSet = 0,
kSamplerDescSet = 1,
};
enum {
kVertexBinding = 0,
kFragBinding = 1,
};
// fUBOffset is only valid if the GrSLType of the fVariable is not a sampler
struct UniformInfo {
GrShaderVar fVariable;
uint32_t fVisibility;
uint32_t fUBOffset;
};
typedef GrTAllocator<UniformInfo> UniformInfoArray;
const GrShaderVar& getUniformVariable(UniformHandle u) const override {
return fUniforms[u.toIndex()].fVariable;
}
const char* getUniformCStr(UniformHandle u) const override {
return this->getUniformVariable(u).c_str();
}
private:
explicit GrVkUniformHandler(GrGLSLProgramBuilder* program)
: INHERITED(program)
, fUniforms(kUniformsPerBlock)
, fSamplers(kUniformsPerBlock)
, fCurrentVertexUBOOffset(0)
, fCurrentFragmentUBOOffset(0)
, fCurrentSamplerBinding(0) {
}
UniformHandle internalAddUniformArray(uint32_t visibility,
GrSLType type,
GrSLPrecision precision,
const char* name,
bool mangleName,
int arrayCount,
const char** outName) override;
SamplerHandle addSampler(uint32_t visibility,
GrSwizzle swizzle,
GrSLType type,
GrSLPrecision precision,
const char* name) override;
int numSamplers() const { return fSamplers.count(); }
const GrShaderVar& samplerVariable(SamplerHandle handle) const override {
return fSamplers[handle.toIndex()].fVariable;
}
GrSwizzle samplerSwizzle(SamplerHandle handle) const override {
return fSamplerSwizzles[handle.toIndex()];
}
uint32_t samplerVisibility(SamplerHandle handle) const {
return fSamplers[handle.toIndex()].fVisibility;
}
ImageStorageHandle addImageStorage(uint32_t visibility, GrSLType, GrImageStorageFormat,
GrSLMemoryModel, GrSLRestrict, GrIOType,
const char* name) override {
SkFAIL("Image storages not implemented for Vulkan.");
return 0;
}
const GrShaderVar& imageStorageVariable(ImageStorageHandle handle) const override {
SkFAIL("Image storages not implemented for Vulkan.");
static const GrShaderVar* gVar = nullptr;
return *gVar;
}
void appendUniformDecls(GrShaderFlags, SkString*) const override;
bool hasVertexUniforms() const { return fCurrentVertexUBOOffset > 0; }
bool hasFragmentUniforms() const { return fCurrentFragmentUBOOffset > 0; }
const UniformInfo& getUniformInfo(UniformHandle u) const {
return fUniforms[u.toIndex()];
}
UniformInfoArray fUniforms;
UniformInfoArray fSamplers;
SkTArray<GrSwizzle> fSamplerSwizzles;
uint32_t fCurrentVertexUBOOffset;
uint32_t fCurrentFragmentUBOOffset;
uint32_t fCurrentSamplerBinding;
friend class GrVkPipelineStateBuilder;
friend class GrVkDescriptorSetManager;
typedef GrGLSLUniformHandler INHERITED;
};
#endif
|
