| // |
| // Copyright 2017 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. |
| // |
| // ClampFragDepth.h: Limit the value that is written to gl_FragDepth to the range [0.0, 1.0]. |
| // The clamping is run at the very end of shader execution, and is only performed if the shader |
| // statically accesses gl_FragDepth. |
| // |
| |
| #ifndef COMPILER_TRANSLATOR_TREEOPS_GL_CLAMPFRAGDEPTH_H_ |
| #define COMPILER_TRANSLATOR_TREEOPS_GL_CLAMPFRAGDEPTH_H_ |
| |
| #include "common/angleutils.h" |
| #include "common/debug.h" |
| |
| namespace sh |
| { |
| |
| class TCompiler; |
| class TIntermBlock; |
| class TSymbolTable; |
| |
| #ifdef ANGLE_ENABLE_GLSL |
| [[nodiscard]] bool ClampFragDepth(TCompiler *compiler, |
| TIntermBlock *root, |
| TSymbolTable *symbolTable); |
| #else |
| [[nodiscard]] ANGLE_INLINE bool ClampFragDepth(TCompiler *compiler, |
| TIntermBlock *root, |
| TSymbolTable *symbolTable) |
| { |
| UNREACHABLE(); |
| return false; |
| } |
| #endif |
| |
| } // namespace sh |
| |
| #endif // COMPILER_TRANSLATOR_TREEOPS_GL_CLAMPFRAGDEPTH_H_ |
