michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef WEBGLUNIFORMINFO_H_
michael@0: #define WEBGLUNIFORMINFO_H_
michael@0: 
michael@0: #include "angle/ShaderLang.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: struct WebGLUniformInfo {
michael@0:     uint32_t arraySize;
michael@0:     bool isArray;
michael@0:     ShDataType type;
michael@0: 
michael@0:     WebGLUniformInfo(uint32_t s = 0, bool a = false, ShDataType t = SH_NONE)
michael@0:         : arraySize(s), isArray(a), type(t) {}
michael@0: 
michael@0:     int ElementSize() const {
michael@0:         switch (type) {
michael@0:             case SH_INT:
michael@0:             case SH_FLOAT:
michael@0:             case SH_BOOL:
michael@0:             case SH_SAMPLER_2D:
michael@0:             case SH_SAMPLER_CUBE:
michael@0:                 return 1;
michael@0:             case SH_INT_VEC2:
michael@0:             case SH_FLOAT_VEC2:
michael@0:             case SH_BOOL_VEC2:
michael@0:                 return 2;
michael@0:             case SH_INT_VEC3:
michael@0:             case SH_FLOAT_VEC3:
michael@0:             case SH_BOOL_VEC3:
michael@0:                 return 3;
michael@0:             case SH_INT_VEC4:
michael@0:             case SH_FLOAT_VEC4:
michael@0:             case SH_BOOL_VEC4:
michael@0:             case SH_FLOAT_MAT2:
michael@0:                 return 4;
michael@0:             case SH_FLOAT_MAT3:
michael@0:                 return 9;
michael@0:             case SH_FLOAT_MAT4:
michael@0:                 return 16;
michael@0:             default:
michael@0:                 MOZ_ASSERT(false); // should never get here
michael@0:                 return 0;
michael@0:         }
michael@0:     }
michael@0: };
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif