| // |
| // Copyright 2018 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. |
| // |
| // RewriteExpressionsWithShaderStorageBlock rewrites the expressions that contain shader storage |
| // block calls into several simple ones that can be easily handled in the HLSL translator. After the |
| // AST pass, all ssbo related blocks will be like below: |
| // ssbo_access_chain = ssbo_access_chain; |
| // ssbo_access_chain = expr_no_ssbo; |
| // lvalue_no_ssbo = ssbo_access_chain; |
| // |
| // Below situations are needed to be rewritten (Details can be found in .cpp file). |
| // SSBO as the operand of compound assignment operators. |
| // SSBO as the operand of ++/--. |
| // SSBO as the operand of repeated assignment. |
| // SSBO as the operand of readonly unary/binary/ternary operators. |
| // SSBO as the argument of aggregate type. |
| // SSBO as the condition of if/switch/while/do-while/for |
| |
| #ifndef COMPILER_TRANSLATOR_TREEOPS_REWRITE_EXPRESSIONS_WITH_SHADER_STORAGE_BLOCK_H_ |
| #define COMPILER_TRANSLATOR_TREEOPS_REWRITE_EXPRESSIONS_WITH_SHADER_STORAGE_BLOCK_H_ |
| |
| #include "common/angleutils.h" |
| |
| namespace sh |
| { |
| class TCompiler; |
| class TIntermNode; |
| class TSymbolTable; |
| |
| ANGLE_NO_DISCARD bool RewriteExpressionsWithShaderStorageBlock(TCompiler *compiler, |
| TIntermNode *root, |
| TSymbolTable *symbolTable); |
| } // namespace sh |
| |
| #endif // COMPILER_TRANSLATOR_TREEOPS_REWRITE_EXPRESSIONS_WITH_SHADER_STORAGE_BLOCK_H_ |
