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Side by Side Diff: src/gpu/GrProcOptInfo.h

Issue 1001503002: Implement support for mixed sampled render targets (Closed) Base URL: https://skia.googlesource.com/skia.git@mix1
Patch Set: Undo modification in GrPipelineBuilder Created 5 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2014 Google Inc. 2 * Copyright 2014 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 GrProcOptInfo_DEFINED 8 #ifndef GrProcOptInfo_DEFINED
9 #define GrProcOptInfo_DEFINED 9 #define GrProcOptInfo_DEFINED
10 10
(...skipping 11 matching lines...) Expand all
22 * optimizations related to eliminating stages and vertex attributes that aren't necessary for a 22 * optimizations related to eliminating stages and vertex attributes that aren't necessary for a
23 * draw. 23 * draw.
24 */ 24 */
25 class GrProcOptInfo { 25 class GrProcOptInfo {
26 public: 26 public:
27 GrProcOptInfo() 27 GrProcOptInfo()
28 : fInOut(0, static_cast<GrColorComponentFlags>(0), false) 28 : fInOut(0, static_cast<GrColorComponentFlags>(0), false)
29 , fFirstEffectStageIndex(0) 29 , fFirstEffectStageIndex(0)
30 , fInputColorIsUsed(true) 30 , fInputColorIsUsed(true)
31 , fInputColor(0) 31 , fInputColor(0)
32 , fReadsFragPosition(false) {} 32 , fReadsFragPosition(false)
33 , fNeedsCoverageModulation(false) {}
33 34
34 void calcWithInitialValues(const GrFragmentStage*, int stageCount, GrColor s tartColor, 35 void calcWithInitialValues(const GrFragmentStage*, int stageCount, GrColor s tartColor,
35 GrColorComponentFlags flags, bool areCoverageStag es); 36 GrColorComponentFlags flags, bool areCoverageStag es);
36 37
37 void calcColorWithBatch(const GrBatch*, const GrFragmentStage*, int stagecou nt); 38 void calcColorWithBatch(const GrBatch*, const GrFragmentStage*, int stagecou nt);
38 void calcCoverageWithBatch(const GrBatch*, const GrFragmentStage*, int stage count); 39 void calcCoverageWithBatch(const GrBatch*, const GrFragmentStage*, int stage count);
39 40
40 // TODO delete these when batch is everywhere 41 // TODO delete these when batch is everywhere
41 void calcColorWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentStag e*, int stagecount); 42 void calcColorWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentStag e*, int stagecount);
42 void calcCoverageWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentS tage*, 43 void calcCoverageWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentS tage*,
43 int stagecount); 44 int stagecount);
44 45
45 bool isSolidWhite() const { return fInOut.isSolidWhite(); } 46 bool isSolidWhite() const { return fInOut.isSolidWhite(); }
46 bool isOpaque() const { return fInOut.isOpaque(); } 47 bool isOpaque() const { return fInOut.isOpaque(); }
47 bool isSingleComponent() const { return fInOut.isSingleComponent(); } 48 bool isSingleComponent() const { return fInOut.isSingleComponent(); }
48 bool allStagesMultiplyInput() const { return fInOut.allStagesMulInput(); } 49 bool allStagesMultiplyInput() const { return fInOut.allStagesMulInput(); }
49 50
50 // TODO: Once texture pixel configs quaries are updated, we no longer need t his function. 51 // TODO: Once texture pixel configs quaries are updated, we no longer need t his function.
51 // For now this function will correctly tell us if we are using LCD text or not and should only 52 // For now this function will correctly tell us if we are using LCD text or not and should only
52 // be called when looking at the coverage output. 53 // be called when looking at the coverage output.
53 bool isFourChannelOutput() const { return !fInOut.isSingleComponent() && 54 bool isFourChannelOutput() const { return !fInOut.isSingleComponent() &&
54 fInOut.isLCDCoverage(); } 55 fInOut.isLCDCoverage(); }
55 56
57 bool needsCoverageModulation() const { return fNeedsCoverageModulation; }
58
59 void setNeedsCoverageModulation(bool modulate) {
60 fNeedsCoverageModulation = true;
Chris Dalton 2015/03/23 19:15:37 Oops, this looks like a bug we've glossed over in
61 }
62
56 GrColor color() const { return fInOut.color(); } 63 GrColor color() const { return fInOut.color(); }
57 uint8_t validFlags() const { return fInOut.validFlags(); } 64 uint8_t validFlags() const { return fInOut.validFlags(); }
58 65
59 /** 66 /**
60 * Returns the index of the first effective color stage. If an intermediate stage doesn't read 67 * Returns the index of the first effective color stage. If an intermediate stage doesn't read
61 * its input or has a known output, then we can ignore all earlier stages si nce they will not 68 * its input or has a known output, then we can ignore all earlier stages si nce they will not
62 * affect the final output. Thus the first effective stage index is the inde x to the first stage 69 * affect the final output. Thus the first effective stage index is the inde x to the first stage
63 * that will have an effect on the final output. 70 * that will have an effect on the final output.
64 * 71 *
65 * If stages before the firstEffectiveStageIndex are removed, corresponding values from 72 * If stages before the firstEffectiveStageIndex are removed, corresponding values from
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85 bool readsFragPosition() const { return fReadsFragPosition; } 92 bool readsFragPosition() const { return fReadsFragPosition; }
86 93
87 private: 94 private:
88 void internalCalc(const GrFragmentStage*, int stagecount, bool initWillReadF ragPosition); 95 void internalCalc(const GrFragmentStage*, int stagecount, bool initWillReadF ragPosition);
89 96
90 GrInvariantOutput fInOut; 97 GrInvariantOutput fInOut;
91 int fFirstEffectStageIndex; 98 int fFirstEffectStageIndex;
92 bool fInputColorIsUsed; 99 bool fInputColorIsUsed;
93 GrColor fInputColor; 100 GrColor fInputColor;
94 bool fReadsFragPosition; 101 bool fReadsFragPosition;
102 bool fNeedsCoverageModulation;
95 }; 103 };
96 104
97 #endif 105 #endif
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