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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 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 | 8 |
9 #ifndef GrUserStencilSettings_DEFINED | 9 #ifndef GrUserStencilSettings_DEFINED |
10 #define GrUserStencilSettings_DEFINED | 10 #define GrUserStencilSettings_DEFINED |
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175 , fFront{FtRef, FtTest, FtAttrs::EffectiveTestMask(FtTestMask), FtPassOp
, FtFailOp, | 175 , fFront{FtRef, FtTest, FtAttrs::EffectiveTestMask(FtTestMask), FtPassOp
, FtFailOp, |
176 FtAttrs::EffectiveWriteMask(FtWriteMask)} | 176 FtAttrs::EffectiveWriteMask(FtWriteMask)} |
177 , fBackFlags{BkAttrs::Flags(false), BkAttrs::Flags(true)} | 177 , fBackFlags{BkAttrs::Flags(false), BkAttrs::Flags(true)} |
178 , fBack{BkRef, BkTest, BkAttrs::EffectiveTestMask(BkTestMask), BkPassOp,
BkFailOp, | 178 , fBack{BkRef, BkTest, BkAttrs::EffectiveTestMask(BkTestMask), BkPassOp,
BkFailOp, |
179 BkAttrs::EffectiveWriteMask(BkWriteMask)} {} | 179 BkAttrs::EffectiveWriteMask(BkWriteMask)} {} |
180 | 180 |
181 // This struct can only be constructed with static initializers. | 181 // This struct can only be constructed with static initializers. |
182 GrUserStencilSettings() = delete; | 182 GrUserStencilSettings() = delete; |
183 GrUserStencilSettings(const GrUserStencilSettings&) = delete; | 183 GrUserStencilSettings(const GrUserStencilSettings&) = delete; |
184 | 184 |
| 185 uint16_t flags(bool hasStencilClip) const { |
| 186 return fFrontFlags[hasStencilClip] & fBackFlags[hasStencilClip]; |
| 187 } |
| 188 bool isDisabled(bool hasStencilClip) const { |
| 189 return this->flags(hasStencilClip) & kDisabled_StencilFlag; |
| 190 } |
| 191 bool doesWrite(bool hasStencilClip) const { |
| 192 return !(this->flags(hasStencilClip) & kNoModifyStencil_StencilFlag); |
| 193 } |
| 194 bool isTwoSided(bool hasStencilClip) const { |
| 195 return !(this->flags(hasStencilClip) & kSingleSided_StencilFlag); |
| 196 } |
| 197 bool usesWrapOp(bool hasStencilClip) const { |
| 198 return !(this->flags(hasStencilClip) & kNoWrapOps_StencilFlag); |
| 199 } |
| 200 |
185 const uint16_t fFrontFlags[2]; // frontFlagsForDraw = fFrontFlags[hasStenc
ilClip]. | 201 const uint16_t fFrontFlags[2]; // frontFlagsForDraw = fFrontFlags[hasStenc
ilClip]. |
186 const Face fFront; | 202 const Face fFront; |
187 const uint16_t fBackFlags[2]; // backFlagsForDraw = fBackFlags[hasStencilC
lip]. | 203 const uint16_t fBackFlags[2]; // backFlagsForDraw = fBackFlags[hasStencilC
lip]. |
188 const Face fBack; | 204 const Face fBack; |
189 | 205 |
190 static const GrUserStencilSettings& kUnused; | 206 static const GrUserStencilSettings& kUnused; |
191 | 207 |
192 bool isUnused() const { return this == &kUnused; } | 208 bool isUnused() const { return this == &kUnused; } |
193 }; | 209 }; |
194 | 210 |
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230 } | 246 } |
231 constexpr static uint16_t EffectiveWriteMask(uint16_t writeMask) { | 247 constexpr static uint16_t EffectiveWriteMask(uint16_t writeMask) { |
232 // We don't modify the mask differently when hasStencilClip=false becaus
e either the entire | 248 // We don't modify the mask differently when hasStencilClip=false becaus
e either the entire |
233 // face gets disabled in that case (e.g. Test=kAlwaysIfInClip, PassOp=kK
eep), or else the | 249 // face gets disabled in that case (e.g. Test=kAlwaysIfInClip, PassOp=kK
eep), or else the |
234 // effective mask stays the same either way. | 250 // effective mask stays the same either way. |
235 return DoesNotModifyStencil(true) ? 0 : writeMask; | 251 return DoesNotModifyStencil(true) ? 0 : writeMask; |
236 } | 252 } |
237 }; | 253 }; |
238 | 254 |
239 #endif | 255 #endif |
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