EmulateMultiDrawShaderBuiltins.h (1746B)
1 // 2 // Copyright 2019 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // EmulateGLDrawID is an AST traverser to convert the gl_DrawID builtin 7 // to a uniform int 8 // 9 // EmulateGLBaseVertexBaseInstance is an AST traverser to convert the gl_BaseVertex and 10 // gl_BaseInstance builtin to uniform ints 11 // 12 // EmulateGLBaseInstance is an AST traverser to convert the gl_BaseInstance builtin 13 // to a uniform int 14 // 15 16 #ifndef COMPILER_TRANSLATOR_TREEOPS_EMULATEMULTIDRAWSHADERBUILTINS_H_ 17 #define COMPILER_TRANSLATOR_TREEOPS_EMULATEMULTIDRAWSHADERBUILTINS_H_ 18 19 #include <GLSLANG/ShaderLang.h> 20 #include <vector> 21 22 #include "common/angleutils.h" 23 #include "compiler/translator/HashNames.h" 24 25 namespace sh 26 { 27 struct ShaderVariable; 28 class TCompiler; 29 class TIntermBlock; 30 class TSymbolTable; 31 32 [[nodiscard]] bool EmulateGLDrawID(TCompiler *compiler, 33 TIntermBlock *root, 34 TSymbolTable *symbolTable, 35 std::vector<sh::ShaderVariable> *uniforms, 36 bool shouldCollect); 37 38 [[nodiscard]] bool EmulateGLBaseVertexBaseInstance(TCompiler *compiler, 39 TIntermBlock *root, 40 TSymbolTable *symbolTable, 41 std::vector<sh::ShaderVariable> *uniforms, 42 bool shouldCollect, 43 bool addBaseVertexToVertexID); 44 45 } // namespace sh 46 47 #endif // COMPILER_TRANSLATOR_TREEOPS_EMULATEMULTIDRAWSHADERBUILTINS_H_