| // |
| // Copyright (c) 2002-2013 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. |
| // |
| |
| #ifndef COMPILER_INITIALIZE_GL_POSITION_H_ |
| #define COMPILER_INITIALIZE_GL_POSITION_H_ |
| |
| #include "compiler/intermediate.h" |
| |
| class InitializeGLPosition : public TIntermTraverser |
| { |
| public: |
| InitializeGLPosition() : mCodeInserted(false) { } |
| |
| protected: |
| virtual bool visitBinary(Visit visit, TIntermBinary* node) { return false; } |
| virtual bool visitUnary(Visit visit, TIntermUnary* node) { return false; } |
| virtual bool visitSelection(Visit visit, TIntermSelection* node) { return false; } |
| virtual bool visitLoop(Visit visit, TIntermLoop* node) { return false; } |
| virtual bool visitBranch(Visit visit, TIntermBranch* node) { return false; } |
| |
| virtual bool visitAggregate(Visit visit, TIntermAggregate* node); |
| |
| private: |
| // Insert AST node in the beginning of main() for "gl_Position = vec4(0.0, 0.0, 0.0, 1.0);". |
| void insertCode(TIntermSequence& sequence); |
| |
| bool mCodeInserted; |
| }; |
| |
| #endif // COMPILER_INITIALIZE_GL_POSITION_H_ |