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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/*
* 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 GrPipeline_DEFINED
#define GrPipeline_DEFINED
#include "GrColor.h"
#include "GrFragmentProcessor.h"
#include "GrGpu.h"
#include "GrNonAtomicRef.h"
#include "GrPendingProgramElement.h"
#include "GrPrimitiveProcessor.h"
#include "GrProcOptInfo.h"
#include "GrProgramDesc.h"
#include "GrStencilSettings.h"
#include "GrTypesPriv.h"
#include "GrWindowRectangles.h"
#include "SkMatrix.h"
#include "SkRefCnt.h"
#include "effects/GrCoverageSetOpXP.h"
#include "effects/GrDisableColorXP.h"
#include "effects/GrPorterDuffXferProcessor.h"
#include "effects/GrSimpleTextureEffect.h"
class GrBatch;
class GrDrawContext;
class GrDeviceCoordTexture;
class GrPipelineBuilder;
struct GrBatchToXPOverrides {
GrBatchToXPOverrides()
: fUsePLSDstRead(false) {}
bool fUsePLSDstRead;
};
struct GrPipelineOptimizations {
GrProcOptInfo fColorPOI;
GrProcOptInfo fCoveragePOI;
GrBatchToXPOverrides fOverrides;
};
/**
* Class that holds an optimized version of a GrPipelineBuilder. It is meant to be an immutable
* class, and contains all data needed to set the state for a gpu draw.
*/
class GrPipeline : public GrNonAtomicRef<GrPipeline> {
public:
///////////////////////////////////////////////////////////////////////////
/// @name Creation
struct CreateArgs {
const GrPipelineBuilder* fPipelineBuilder;
GrDrawContext* fDrawContext;
const GrCaps* fCaps;
GrPipelineOptimizations fOpts;
const GrScissorState* fScissor;
const GrWindowRectangles* fWindowRects;
bool fHasStencilClip;
GrXferProcessor::DstTexture fDstTexture;
};
/** Creates a pipeline into a pre-allocated buffer */
static GrPipeline* CreateAt(void* memory, const CreateArgs&, GrXPOverridesForBatch*);
/// @}
///////////////////////////////////////////////////////////////////////////
/// @name Comparisons
/**
* Returns true if these pipelines are equivalent. Coord transforms may be applied either on
* the GPU or the CPU. When we apply them on the CPU then the matrices need not agree in order
* to combine draws. Therefore we take a param that indicates whether coord transforms should be
* compared."
*/
static bool AreEqual(const GrPipeline& a, const GrPipeline& b, bool ignoreCoordTransforms);
/**
* Allows a GrBatch subclass to determine whether two GrBatches can combine. This is a stricter
* test than isEqual because it also considers blend barriers when the two batches' bounds
* overlap
*/
static bool CanCombine(const GrPipeline& a, const SkRect& aBounds,
const GrPipeline& b, const SkRect& bBounds,
const GrCaps& caps,
bool ignoreCoordTransforms = false) {
if (!AreEqual(a, b, ignoreCoordTransforms)) {
return false;
}
if (a.xferBarrierType(caps)) {
return aBounds.fRight <= bBounds.fLeft ||
aBounds.fBottom <= bBounds.fTop ||
bBounds.fRight <= aBounds.fLeft ||
bBounds.fBottom <= aBounds.fTop;
}
return true;
}
/// @}
///////////////////////////////////////////////////////////////////////////
/// @name GrFragmentProcessors
// Make the renderTarget's drawTarget (if it exists) be dependent on any
// drawTargets in this pipeline
void addDependenciesTo(GrRenderTarget* rt) const;
int numColorFragmentProcessors() const { return fNumColorProcessors; }
int numCoverageFragmentProcessors() const {
return fFragmentProcessors.count() - fNumColorProcessors;
}
int numFragmentProcessors() const { return fFragmentProcessors.count(); }
const GrXferProcessor& getXferProcessor() const {
if (fXferProcessor.get()) {
return *fXferProcessor.get();
} else {
// A null xp member means the common src-over case. GrXferProcessor's ref'ing
// mechanism is not thread safe so we do not hold a ref on this global.
return GrPorterDuffXPFactory::SimpleSrcOverXP();
}
}
const GrFragmentProcessor& getColorFragmentProcessor(int idx) const {
SkASSERT(idx < this->numColorFragmentProcessors());
return *fFragmentProcessors[idx].get();
}
const GrFragmentProcessor& getCoverageFragmentProcessor(int idx) const {
SkASSERT(idx < this->numCoverageFragmentProcessors());
return *fFragmentProcessors[fNumColorProcessors + idx].get();
}
const GrFragmentProcessor& getFragmentProcessor(int idx) const {
return *fFragmentProcessors[idx].get();
}
/// @}
/**
* Retrieves the currently set render-target.
*
* @return The currently set render target.
*/
GrRenderTarget* getRenderTarget() const { return fRenderTarget.get(); }
const GrStencilSettings& getStencil() const { return fStencilSettings; }
const GrScissorState& getScissorState() const { return fScissorState; }
const GrWindowRectangles& getWindowRectangles() const { return fWindowRects; }
bool isHWAntialiasState() const { return SkToBool(fFlags & kHWAA_Flag); }
bool snapVerticesToPixelCenters() const { return SkToBool(fFlags & kSnapVertices_Flag); }
bool getDisableOutputConversionToSRGB() const {
return SkToBool(fFlags & kDisableOutputConversionToSRGB_Flag);
}
bool getAllowSRGBInputs() const {
return SkToBool(fFlags & kAllowSRGBInputs_Flag);
}
bool usesDistanceVectorField() const {
return SkToBool(fFlags & kUsesDistanceVectorField_Flag);
}
bool hasStencilClip() const {
return SkToBool(fFlags & kHasStencilClip_Flag);
}
GrXferBarrierType xferBarrierType(const GrCaps& caps) const {
return this->getXferProcessor().xferBarrierType(fRenderTarget.get(), caps);
}
/**
* Gets whether the target is drawing clockwise, counterclockwise,
* or both faces.
* @return the current draw face(s).
*/
GrDrawFace getDrawFace() const { return fDrawFace; }
///////////////////////////////////////////////////////////////////////////
bool ignoresCoverage() const { return fIgnoresCoverage; }
private:
GrPipeline() { /** Initialized in factory function*/ }
/**
* Alter the program desc and inputs (attribs and processors) based on the blend optimization.
*/
void adjustProgramFromOptimizations(const GrPipelineBuilder& ds,
GrXferProcessor::OptFlags,
const GrProcOptInfo& colorPOI,
const GrProcOptInfo& coveragePOI,
int* firstColorProcessorIdx,
int* firstCoverageProcessorIdx);
/**
* Calculates the primary and secondary output types of the shader. For certain output types
* the function may adjust the blend coefficients. After this function is called the src and dst
* blend coeffs will represent those used by backend API.
*/
void setOutputStateInfo(const GrPipelineBuilder& ds, GrXferProcessor::OptFlags,
const GrCaps&);
enum Flags {
kHWAA_Flag = 0x1,
kSnapVertices_Flag = 0x2,
kDisableOutputConversionToSRGB_Flag = 0x4,
kAllowSRGBInputs_Flag = 0x8,
kUsesDistanceVectorField_Flag = 0x10,
kHasStencilClip_Flag = 0x20,
};
typedef GrPendingIOResource<GrRenderTarget, kWrite_GrIOType> RenderTarget;
typedef GrPendingProgramElement<const GrFragmentProcessor> PendingFragmentProcessor;
typedef SkAutoSTArray<8, PendingFragmentProcessor> FragmentProcessorArray;
typedef GrPendingProgramElement<const GrXferProcessor> ProgramXferProcessor;
RenderTarget fRenderTarget;
GrScissorState fScissorState;
GrWindowRectangles fWindowRects;
GrStencilSettings fStencilSettings;
GrDrawFace fDrawFace;
uint32_t fFlags;
ProgramXferProcessor fXferProcessor;
FragmentProcessorArray fFragmentProcessors;
bool fIgnoresCoverage;
// This value is also the index in fFragmentProcessors where coverage processors begin.
int fNumColorProcessors;
typedef SkRefCnt INHERITED;
};
#endif
|
