| // |
| // Copyright 2019 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| // This mutating tree traversal flips the output of dFdy() to account for framebuffer flipping. |
| // |
| // From: dFdy(p) |
| // To: (dFdy(p) * viewportYScale) |
| // |
| // See http://anglebug.com/3487 |
| |
| #ifndef COMPILER_TRANSLATOR_TREEOPS_FLIP_DFDY_H_ |
| #define COMPILER_TRANSLATOR_TREEOPS_FLIP_DFDY_H_ |
| |
| #include "common/angleutils.h" |
| |
| namespace sh |
| { |
| |
| class TCompiler; |
| class TIntermNode; |
| class TIntermBinary; |
| class TSymbolTable; |
| |
| ANGLE_NO_DISCARD bool RewriteDfdy(TCompiler *compiler, |
| TIntermNode *root, |
| const TSymbolTable &symbolTable, |
| int shaderVersion, |
| TIntermBinary *viewportYScale); |
| |
| } // namespace sh |
| |
| #endif // COMPILER_TRANSLATOR_TREEOPS_FLIP_DFDY_H_ |
