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//
// Copyright (c) 2002-2013 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.
//
// utilities.h: Conversion functions and other utility routines.
#ifndef LIBGLESV2_UTILITIES_H
#define LIBGLESV2_UTILITIES_H
#include "angle_gl.h"
#include <string>
#include <math.h>
namespace gl
{
int VariableComponentCount(GLenum type);
GLenum VariableComponentType(GLenum type);
size_t VariableComponentSize(GLenum type);
size_t VariableInternalSize(GLenum type);
size_t VariableExternalSize(GLenum type);
GLenum VariableBoolVectorType(GLenum type);
int VariableRowCount(GLenum type);
int VariableColumnCount(GLenum type);
bool IsSampler(GLenum type);
bool IsMatrixType(GLenum type);
GLenum TransposeMatrixType(GLenum type);
int VariableRegisterCount(GLenum type);
int MatrixRegisterCount(GLenum type, bool isRowMajorMatrix);
int MatrixComponentCount(GLenum type, bool isRowMajorMatrix);
int VariableSortOrder(GLenum type);
int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);
bool IsCubemapTextureTarget(GLenum target);
bool IsTriangleMode(GLenum drawMode);
// [OpenGL ES 3.0.2] Section 2.3.1 page 14
// Data Conversion For State-Setting Commands
// Floating-point values are rounded to the nearest integer, instead of truncated, as done by static_cast.
template <typename outT> outT iround(GLfloat value) { return static_cast<outT>(value > 0.0f ? floor(value + 0.5f) : ceil(value - 0.5f)); }
template <typename outT> outT uiround(GLfloat value) { return static_cast<outT>(value + 0.5f); }
}
#if !defined(ANGLE_ENABLE_WINDOWS_STORE)
std::string getTempPath();
void writeFile(const char* path, const void* data, size_t size);
#endif
#if defined(ANGLE_ENABLE_WINDOWS_STORE) && _MSC_FULL_VER < 180031101
void Sleep(_In_ unsigned long dwMilliseconds);
#endif
#endif // LIBGLESV2_UTILITIES_H
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