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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 
30 namespace glu
31 {
32 
33 // Internal format utilities.
34 namespace detail
35 {
36 
37 class EnumPointerFmt
38 {
39 public:
40 	typedef const char* (*GetEnumNameFunc) (int value);
41 
42 	const deUint32* const	value;
43 	const deUint32			size;
44 	const GetEnumNameFunc	getName;
45 
EnumPointerFmt(const deUint32 * value_,deUint32 size_,GetEnumNameFunc getName_)46 	EnumPointerFmt (const deUint32* value_, deUint32 size_, GetEnumNameFunc getName_) : value(value_), size(size_), getName(getName_) {}
47 };
48 
49 class BooleanPointerFmt
50 {
51 public:
52 	const deUint8* const	value;
53 	const deUint32			size;
54 
BooleanPointerFmt(const deUint8 * value_,deUint32 size_)55 	BooleanPointerFmt (const deUint8* value_, deUint32 size_) : value(value_), size(size_) {}
56 };
57 
58 class TextureUnitStr
59 {
60 public:
61 	const deUint32 texUnit;
TextureUnitStr(deUint32 texUnit_)62 	TextureUnitStr (deUint32 texUnit_) : texUnit(texUnit_) {}
63 };
64 
65 class TextureParameterValueStr
66 {
67 public:
68 	const deUint32	param;
69 	const int		value;
TextureParameterValueStr(deUint32 param_,int value_)70 	TextureParameterValueStr (deUint32 param_, int value_) : param(param_), value(value_) {}
71 };
72 
73 std::ostream&		operator<<		(std::ostream& str, const TextureUnitStr& unitStr);
74 std::ostream&		operator<<		(std::ostream& str, const TextureParameterValueStr& valueStr);
75 std::ostream&		operator<<		(std::ostream& str, const BooleanPointerFmt& fmt);
76 std::ostream&		operator<<		(std::ostream& str, const EnumPointerFmt& fmt);
77 
78 } // detail
79 
getEnumPointerStr(const deUint32 * value,deInt32 size,detail::EnumPointerFmt::GetEnumNameFunc getName)80 inline 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 
getBooleanPointerStr(const deUint8 * value,deInt32 size)85 inline detail::BooleanPointerFmt getBooleanPointerStr (const deUint8* value, deInt32 size)
86 {
87 	return detail::BooleanPointerFmt(value, (deUint32)de::max(0, size));
88 }
89 
getTextureUnitStr(deUint32 unit)90 inline detail::TextureUnitStr						getTextureUnitStr			(deUint32 unit) { return detail::TextureUnitStr(unit); }
getTextureParameterValueStr(deUint32 param,int value)91 inline detail::TextureParameterValueStr				getTextureParameterValueStr	(deUint32 param, int value) { return detail::TextureParameterValueStr(param, value); }
92 detail::EnumPointerFmt								getInvalidateAttachmentStr	(const deUint32* attachments, int numAttachments);
93 
94 std::ostream&										operator<<					(std::ostream& str, ApiType apiType);
95 std::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.
104 void	getBooleanPointerStr	(const bool* value, deInt32 size);	// delete
105 void	getBooleanStr			(bool);								// delete
106 void	getBooleanName			(bool);								// delete
107 
108 #include "gluStrUtilPrototypes.inl"
109 
110 } // glu
111 
112 #endif // _GLUSTRUTIL_HPP
113