| // | |
| // Copyright 2002 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. | |
| // | |
| // Check whether variables fit within packing limits according to the packing rules from the GLSL ES | |
| // 1.00.17 spec, Appendix A, section 7. | |
| #ifndef COMPILER_TRANSLATOR_VARIABLEPACKER_H_ | |
| #define COMPILER_TRANSLATOR_VARIABLEPACKER_H_ | |
| #include <vector> | |
| #include <GLSLANG/ShaderLang.h> | |
| namespace sh | |
| { | |
| // Gets how many components in a row a data type takes. | |
| int GetTypePackingComponentsPerRow(sh::GLenum type); | |
| // Gets how many rows a data type takes. | |
| int GetTypePackingRows(sh::GLenum type); | |
| // Returns true if the passed in variables pack in maxVectors. | |
| // T should be ShaderVariable or one of the subclasses of ShaderVariable. | |
| bool CheckVariablesInPackingLimits(unsigned int maxVectors, | |
| const std::vector<ShaderVariable> &variables); | |
| } // namespace sh | |
| #endif // COMPILER_TRANSLATOR_VARIABLEPACKER_H_ |