1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/src/WebGLUniformInfo.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,55 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef WEBGLUNIFORMINFO_H_
1.10 +#define WEBGLUNIFORMINFO_H_
1.11 +
1.12 +#include "angle/ShaderLang.h"
1.13 +
1.14 +namespace mozilla {
1.15 +
1.16 +struct WebGLUniformInfo {
1.17 + uint32_t arraySize;
1.18 + bool isArray;
1.19 + ShDataType type;
1.20 +
1.21 + WebGLUniformInfo(uint32_t s = 0, bool a = false, ShDataType t = SH_NONE)
1.22 + : arraySize(s), isArray(a), type(t) {}
1.23 +
1.24 + int ElementSize() const {
1.25 + switch (type) {
1.26 + case SH_INT:
1.27 + case SH_FLOAT:
1.28 + case SH_BOOL:
1.29 + case SH_SAMPLER_2D:
1.30 + case SH_SAMPLER_CUBE:
1.31 + return 1;
1.32 + case SH_INT_VEC2:
1.33 + case SH_FLOAT_VEC2:
1.34 + case SH_BOOL_VEC2:
1.35 + return 2;
1.36 + case SH_INT_VEC3:
1.37 + case SH_FLOAT_VEC3:
1.38 + case SH_BOOL_VEC3:
1.39 + return 3;
1.40 + case SH_INT_VEC4:
1.41 + case SH_FLOAT_VEC4:
1.42 + case SH_BOOL_VEC4:
1.43 + case SH_FLOAT_MAT2:
1.44 + return 4;
1.45 + case SH_FLOAT_MAT3:
1.46 + return 9;
1.47 + case SH_FLOAT_MAT4:
1.48 + return 16;
1.49 + default:
1.50 + MOZ_ASSERT(false); // should never get here
1.51 + return 0;
1.52 + }
1.53 + }
1.54 +};
1.55 +
1.56 +} // namespace mozilla
1.57 +
1.58 +#endif
