gluTextureUtil.hpp revision 07b89ce0885a4a9e02b7057d45a4260d24740ba9 
1#ifndef _GLUTEXTUREUTIL_HPP
2#define _GLUTEXTUREUTIL_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 Texture format utilities.
24 *//*--------------------------------------------------------------------*/
25
26#include "gluDefs.hpp"
27#include "tcuTexture.hpp"
28#include "tcuCompressedTexture.hpp"
29#include "gluShaderUtil.hpp"
30#include "deInt32.h"
31
32namespace glu
33{
34
35class RenderContext;
36class ContextInfo;
37
38/*--------------------------------------------------------------------*//*!
39 * \brief GL pixel transfer format.
40 *//*--------------------------------------------------------------------*/
41struct TransferFormat
42{
43	deUint32	format;		//!< Pixel format.
44	deUint32	dataType;	//!< Data type.
45
46	TransferFormat (void)
47		: format	(0)
48		, dataType	(0)
49	{
50	}
51
52	TransferFormat (deUint32 format_, deUint32 dataType_)
53		: format	(format_)
54		, dataType	(dataType_)
55	{
56	}
57};
58
59tcu::TextureFormat				mapGLTransferFormat					(deUint32 format, deUint32 dataType);
60tcu::TextureFormat				mapGLInternalFormat					(deUint32 internalFormat);
61bool							isGLInternalColorFormatFilterable	(deUint32 internalFormat);
62tcu::Sampler					mapGLSampler						(deUint32 wrapS, deUint32 minFilter, deUint32 magFilter);
63tcu::Sampler					mapGLSampler						(deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter);
64tcu::Sampler					mapGLSampler						(deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 minFilter, deUint32 magFilter);
65tcu::Sampler::CompareMode		mapGLCompareFunc					(deUint32 mode);
66
67TransferFormat					getTransferFormat					(tcu::TextureFormat format);
68deUint32						getInternalFormat					(tcu::TextureFormat format);
69deUint32						getGLFormat							(tcu::CompressedTexFormat format);
70
71deUint32						getGLWrapMode						(tcu::Sampler::WrapMode wrapMode);
72deUint32						getGLFilterMode						(tcu::Sampler::FilterMode filterMode);
73deUint32						getGLCompareFunc					(tcu::Sampler::CompareMode compareMode);
74
75deUint32						getGLCubeFace						(tcu::CubeFace face);
76tcu::CubeFace					getCubeFaceFromGL					(deUint32 face);
77
78DataType						getSampler1DType					(tcu::TextureFormat format);
79DataType						getSampler2DType					(tcu::TextureFormat format);
80DataType						getSamplerCubeType					(tcu::TextureFormat format);
81DataType						getSampler2DArrayType				(tcu::TextureFormat format);
82DataType						getSampler3DType					(tcu::TextureFormat format);
83DataType						getSamplerCubeArrayType				(tcu::TextureFormat format);
84
85bool							isSizedFormatColorRenderable		(const RenderContext& renderCtx, const ContextInfo& contextInfo, deUint32 sizedFormat);
86
87} // glu
88
89#endif // _GLUTEXTUREUTIL_HPP
90