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