daniel@transgaming.com | 4167cc9 | 2013-01-11 04:11:53 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE, INC. ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE, INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
shannon.woods@transgaming.com | da1ed36 | 2013-01-25 21:54:57 +0000 | [diff] [blame] | 26 | #ifndef THIRD_PARTY_COMPILER_ARRAY_BOUNDS_CLAMPER_H_ |
| 27 | #define THIRD_PARTY_COMPILER_ARRAY_BOUNDS_CLAMPER_H_ |
daniel@transgaming.com | 4167cc9 | 2013-01-11 04:11:53 +0000 | [diff] [blame] | 28 | |
Geoff Lang | 1773282 | 2013-08-29 13:46:49 -0400 | [diff] [blame] | 29 | #include "compiler/translator/InfoSink.h" |
Jamie Madill | b1a85f4 | 2014-08-19 15:23:24 -0400 | [diff] [blame] | 30 | #include "compiler/translator/IntermNode.h" |
daniel@transgaming.com | 4167cc9 | 2013-01-11 04:11:53 +0000 | [diff] [blame] | 31 | |
| 32 | class ArrayBoundsClamper { |
| 33 | public: |
| 34 | ArrayBoundsClamper(); |
| 35 | |
shannon.woods@transgaming.com | 1d432bb | 2013-01-25 21:57:28 +0000 | [diff] [blame] | 36 | // Must be set before compiling any shaders to ensure consistency |
| 37 | // between the translated shaders and any necessary prequel. |
| 38 | void SetClampingStrategy(ShArrayIndexClampingStrategy clampingStrategy); |
daniel@transgaming.com | 4167cc9 | 2013-01-11 04:11:53 +0000 | [diff] [blame] | 39 | |
| 40 | // Marks nodes in the tree that index arrays indirectly as |
| 41 | // requiring clamping. |
| 42 | void MarkIndirectArrayBoundsForClamping(TIntermNode* root); |
| 43 | |
shannon.woods@transgaming.com | 1d432bb | 2013-01-25 21:57:28 +0000 | [diff] [blame] | 44 | // If necessary, output array clamp function source into the shader source. |
| 45 | void OutputClampingFunctionDefinition(TInfoSinkBase& out) const; |
| 46 | |
daniel@transgaming.com | 4167cc9 | 2013-01-11 04:11:53 +0000 | [diff] [blame] | 47 | void Cleanup() |
| 48 | { |
| 49 | mArrayBoundsClampDefinitionNeeded = false; |
| 50 | } |
| 51 | |
| 52 | private: |
| 53 | bool GetArrayBoundsClampDefinitionNeeded() const { return mArrayBoundsClampDefinitionNeeded; } |
| 54 | void SetArrayBoundsClampDefinitionNeeded() { mArrayBoundsClampDefinitionNeeded = true; } |
shannon.woods@transgaming.com | 1d432bb | 2013-01-25 21:57:28 +0000 | [diff] [blame] | 55 | |
| 56 | ShArrayIndexClampingStrategy mClampingStrategy; |
daniel@transgaming.com | 4167cc9 | 2013-01-11 04:11:53 +0000 | [diff] [blame] | 57 | bool mArrayBoundsClampDefinitionNeeded; |
| 58 | }; |
| 59 | |
shannon.woods@transgaming.com | da1ed36 | 2013-01-25 21:54:57 +0000 | [diff] [blame] | 60 | #endif // THIRD_PARTY_COMPILER_ARRAY_BOUNDS_CLAMPER_H_ |