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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrBatch_DEFINED | 8 #ifndef GrBatch_DEFINED |
9 #define GrBatch_DEFINED | 9 #define GrBatch_DEFINED |
10 | 10 |
11 #include <new> | 11 #include <new> |
12 #include "GrNonAtomicRef.h" | 12 #include "GrNonAtomicRef.h" |
13 | 13 |
14 #include "SkRect.h" | 14 #include "SkRect.h" |
15 #include "SkString.h" | 15 #include "SkString.h" |
16 | 16 |
| 17 #include "draws/GrDraw.h" |
| 18 |
17 class GrCaps; | 19 class GrCaps; |
18 class GrBatchFlushState; | 20 class GrBatchFlushState; |
19 | 21 |
20 /** | 22 /** |
21 * GrBatch is the base class for all Ganesh deferred geometry generators. To fa
cilitate | 23 * GrBatch is the base class for all Ganesh deferred geometry generators. To fa
cilitate |
22 * reorderable batching, Ganesh does not generate geometry inline with draw call
s. Instead, it | 24 * reorderable batching, Ganesh does not generate geometry inline with draw call
s. Instead, it |
23 * captures the arguments to the draw and then generates the geometry on demand.
This gives GrBatch | 25 * captures the arguments to the draw and then generates the geometry on demand.
This gives GrBatch |
24 * subclasses complete freedom to decide how / what they can batch. | 26 * subclasses complete freedom to decide how / what they can batch. |
25 * | 27 * |
26 * Batches are created when GrContext processes a draw call. Batches of the same
subclass may be | 28 * Batches are created when GrContext processes a draw call. Batches of the same
subclass may be |
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102 /** Issues the batches commands to GrGpu. */ | 104 /** Issues the batches commands to GrGpu. */ |
103 void draw(GrBatchFlushState* state) { this->onDraw(state); } | 105 void draw(GrBatchFlushState* state) { this->onDraw(state); } |
104 | 106 |
105 /** Used to block batching across render target changes. Remove this once we
store | 107 /** Used to block batching across render target changes. Remove this once we
store |
106 GrBatches for different RTs in different targets. */ | 108 GrBatches for different RTs in different targets. */ |
107 virtual uint32_t renderTargetUniqueID() const = 0; | 109 virtual uint32_t renderTargetUniqueID() const = 0; |
108 | 110 |
109 /** Used for spewing information about batches when debugging. */ | 111 /** Used for spewing information about batches when debugging. */ |
110 virtual SkString dumpInfo() const = 0; | 112 virtual SkString dumpInfo() const = 0; |
111 | 113 |
| 114 // TODO put on stack |
| 115 void setDrawSnap(const GrDrawSnap* snap) const { fSnap.reset(snap); } |
| 116 const GrDrawSnap* drawSnap() const { return fSnap.get(); } |
| 117 |
112 protected: | 118 protected: |
113 // NOTE, compute some bounds, even if extremely conservative. Do *NOT* setL
argest on the bounds | 119 // NOTE, compute some bounds, even if extremely conservative. Do *NOT* setL
argest on the bounds |
114 // rect because we outset it for dst copy textures | 120 // rect because we outset it for dst copy textures |
115 void setBounds(const SkRect& newBounds) { fBounds = newBounds; } | 121 void setBounds(const SkRect& newBounds) { fBounds = newBounds; } |
116 | 122 |
117 void joinBounds(const SkRect& otherBounds) { | 123 void joinBounds(const SkRect& otherBounds) { |
118 return fBounds.joinPossiblyEmptyRect(otherBounds); | 124 return fBounds.joinPossiblyEmptyRect(otherBounds); |
119 } | 125 } |
120 | 126 |
121 static uint32_t GenBatchClassID() { return GenID(&gCurrBatchClassID); } | 127 static uint32_t GenBatchClassID() { return GenID(&gCurrBatchClassID); } |
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143 kIllegalBatchID = 0, | 149 kIllegalBatchID = 0, |
144 }; | 150 }; |
145 | 151 |
146 SkDEBUGCODE(bool fUsed;) | 152 SkDEBUGCODE(bool fUsed;) |
147 const uint32_t fClassID; | 153 const uint32_t fClassID; |
148 #if GR_BATCH_SPEW | 154 #if GR_BATCH_SPEW |
149 static uint32_t GenBatchID() { return GenID(&gCurrBatchUniqueID); } | 155 static uint32_t GenBatchID() { return GenID(&gCurrBatchUniqueID); } |
150 const uint32_t fUniqueID; | 156 const uint32_t fUniqueID; |
151 static int32_t gCurrBatchUniqueID; | 157 static int32_t gCurrBatchUniqueID; |
152 #endif | 158 #endif |
| 159 |
| 160 |
| 161 // TODO put this on the stack, also does it belong here |
| 162 mutable SkAutoTUnref<const GrDrawSnap> fSnap; |
| 163 |
153 static int32_t gCurrBatchClassID; | 164 static int32_t gCurrBatchClassID; |
154 typedef GrNonAtomicRef INHERITED; | 165 typedef GrNonAtomicRef INHERITED; |
155 }; | 166 }; |
156 | 167 |
157 #endif | 168 #endif |
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