path: root/src/3rdparty/angle/src/common/utilities.h
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Diffstat (limited to 'src/3rdparty/angle/src/common/utilities.h')
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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.
+#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); }
+std::string getTempPath();
+void writeFile(const char* path, const void* data, size_t size);