1#ifndef _GLUSTRUTIL_HPP
2#define _GLUSTRUTIL_HPP
3/*-------------------------------------------------------------------------
4 * drawElements Quality Program OpenGL ES Utilities
5 * ------------------------------------------------
6 *
7 * Copyright 2014 The Android Open Source Project
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 *      http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief OpenGL value to string utilities.
24 *//*--------------------------------------------------------------------*/
25
26#include "gluDefs.hpp"
27#include "gluRenderContext.hpp"
28#include "tcuFormatUtil.hpp"
29
30namespace glu
31{
32
33// Internal format utilities.
34namespace detail
35{
36
37class EnumPointerFmt
38{
39public:
40	typedef const char* (*GetEnumNameFunc) (int value);
41
42	const deUint32* const	value;
43	const deUint32			size;
44	const GetEnumNameFunc	getName;
45
46	EnumPointerFmt (const deUint32* value_, deUint32 size_, GetEnumNameFunc getName_) : value(value_), size(size_), getName(getName_) {}
47};
48
49class BooleanPointerFmt
50{
51public:
52	const deUint8* const 	value;
53	const deUint32			size;
54
55	BooleanPointerFmt (const deUint8* value_, deUint32 size_) : value(value_), size(size_) {}
56};
57
58class TextureUnitStr
59{
60public:
61	const deUint32 texUnit;
62	TextureUnitStr (deUint32 texUnit_) : texUnit(texUnit_) {}
63};
64
65class TextureParameterValueStr
66{
67public:
68	const deUint32	param;
69	const int		value;
70	TextureParameterValueStr (deUint32 param_, int value_) : param(param_), value(value_) {}
71};
72
73std::ostream&		operator<<		(std::ostream& str, const TextureUnitStr& unitStr);
74std::ostream&		operator<<		(std::ostream& str, const TextureParameterValueStr& valueStr);
75std::ostream&		operator<<		(std::ostream& str, const BooleanPointerFmt& fmt);
76std::ostream&		operator<<		(std::ostream& str, const EnumPointerFmt& fmt);
77
78} // detail
79
80inline detail::EnumPointerFmt getEnumPointerStr (const deUint32* value, deInt32 size, detail::EnumPointerFmt::GetEnumNameFunc getName)
81{
82	return detail::EnumPointerFmt(value, (deUint32)de::max(0, size), getName);
83}
84
85inline detail::BooleanPointerFmt getBooleanPointerStr (const deUint8* value, deInt32 size)
86{
87	return detail::BooleanPointerFmt(value, (deUint32)de::max(0, size));
88}
89
90inline detail::TextureUnitStr						getTextureUnitStr			(deUint32 unit) { return detail::TextureUnitStr(unit); }
91inline detail::TextureParameterValueStr				getTextureParameterValueStr	(deUint32 param, int value) { return detail::TextureParameterValueStr(param, value); }
92detail::EnumPointerFmt								getInvalidateAttachmentStr	(const deUint32* attachments, int numAttachments);
93
94std::ostream&										operator<<					(std::ostream& str, ApiType apiType);
95std::ostream&										operator<<					(std::ostream& str, ContextType contextType);
96
97// prevent implicit conversions from bool to int.
98//
99// While it is well-defined that (int)true == GL_TRUE and (int)false == GL_FALSE,
100// using these functions to convert non-GL-types suggests a that the calling code is
101// mixing and matching GLboolean and bool types which may not be safe.
102//
103// \note return value is void to prevent compilation. Otherwise this would only break linking.
104void	getBooleanPointerStr	(const bool* value, deInt32 size);	// delete
105void	getBooleanStr			(bool);								// delete
106void	getBooleanName			(bool);								// delete
107
108#include "gluStrUtilPrototypes.inl"
109
110} // glu
111
112#endif // _GLUSTRUTIL_HPP
113