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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 GrXferProcessor_DEFINED | 8 #ifndef GrXferProcessor_DEFINED |
9 #define GrXferProcessor_DEFINED | 9 #define GrXferProcessor_DEFINED |
10 | 10 |
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66 */ | 66 */ |
67 kIgnoreCoverage_OptFlag = 0x4, | 67 kIgnoreCoverage_OptFlag = 0x4, |
68 /** | 68 /** |
69 * Clear color stages and override input color to that returned by getOp
timizations | 69 * Clear color stages and override input color to that returned by getOp
timizations |
70 */ | 70 */ |
71 kOverrideColor_OptFlag = 0x8, | 71 kOverrideColor_OptFlag = 0x8, |
72 /** | 72 /** |
73 * Set CoverageDrawing_StateBit | 73 * Set CoverageDrawing_StateBit |
74 */ | 74 */ |
75 kSetCoverageDrawing_OptFlag = 0x10, | 75 kSetCoverageDrawing_OptFlag = 0x10, |
| 76 /** |
| 77 * Can tweak alpha for coverage. Currently this flag should only be used
by a batch |
| 78 */ |
| 79 kCanTweakAlphaForCoverage_OptFlag = 0x20, |
76 }; | 80 }; |
77 | 81 |
78 GR_DECL_BITFIELD_OPS_FRIENDS(OptFlags); | 82 GR_DECL_BITFIELD_OPS_FRIENDS(OptFlags); |
79 | 83 |
80 /** | 84 /** |
81 * Determines which optimizations (as described by the ptFlags above) can be
performed by | 85 * Determines which optimizations (as described by the ptFlags above) can be
performed by |
82 * the draw with this xfer processor. If this function is called, the xfer p
rocessor may change | 86 * the draw with this xfer processor. If this function is called, the xfer p
rocessor may change |
83 * its state to reflected the given blend optimizations. If the XP needs to
see a specific input | 87 * its state to reflected the given blend optimizations. If the XP needs to
see a specific input |
84 * color to blend correctly, it will set the OverrideColor flag and the outp
ut parameter | 88 * color to blend correctly, it will set the OverrideColor flag and the outp
ut parameter |
85 * overrideColor will be the required value that should be passed into the X
P. | 89 * overrideColor will be the required value that should be passed into the X
P. |
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288 enum { | 292 enum { |
289 kIllegalXPFClassID = 0, | 293 kIllegalXPFClassID = 0, |
290 }; | 294 }; |
291 static int32_t gCurrXPFClassID; | 295 static int32_t gCurrXPFClassID; |
292 | 296 |
293 typedef GrProgramElement INHERITED; | 297 typedef GrProgramElement INHERITED; |
294 }; | 298 }; |
295 | 299 |
296 #endif | 300 #endif |
297 | 301 |
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