VariablePacker.h (1021B)
1 // 2 // Copyright 2002 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 // Check whether variables fit within packing limits according to the packing rules from the GLSL ES 7 // 1.00.17 spec, Appendix A, section 7. 8 9 #ifndef COMPILER_TRANSLATOR_VARIABLEPACKER_H_ 10 #define COMPILER_TRANSLATOR_VARIABLEPACKER_H_ 11 12 #include <vector> 13 14 #include <GLSLANG/ShaderLang.h> 15 16 namespace sh 17 { 18 19 // Gets how many components in a row a data type takes. 20 int GetTypePackingComponentsPerRow(sh::GLenum type); 21 22 // Gets how many rows a data type takes. 23 int GetTypePackingRows(sh::GLenum type); 24 25 // Returns true if the passed in variables pack in maxVectors. 26 // T should be ShaderVariable or one of the subclasses of ShaderVariable. 27 bool CheckVariablesInPackingLimits(unsigned int maxVectors, 28 const std::vector<ShaderVariable> &variables); 29 30 } // namespace sh 31 32 #endif // COMPILER_TRANSLATOR_VARIABLEPACKER_H_