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Jarkko Poyry3c827362014-09-02 11:48:52 +03001#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;
Jarkko Pöyry12fea2e2015-03-13 12:32:21 -070037class TextureBuffer;
Jarkko Poyry3c827362014-09-02 11:48:52 +030038
39/*--------------------------------------------------------------------*//*!
40 * \brief GL pixel transfer format.
41 *//*--------------------------------------------------------------------*/
42struct TransferFormat
43{
44 deUint32 format; //!< Pixel format.
45 deUint32 dataType; //!< Data type.
46
47 TransferFormat (void)
48 : format (0)
49 , dataType (0)
50 {
51 }
52
53 TransferFormat (deUint32 format_, deUint32 dataType_)
54 : format (format_)
55 , dataType (dataType_)
56 {
57 }
Jarkko Pöyry93df3752015-02-24 12:37:32 -080058} DE_WARN_UNUSED_TYPE;
Jarkko Poyry3c827362014-09-02 11:48:52 +030059
60tcu::TextureFormat mapGLTransferFormat (deUint32 format, deUint32 dataType);
61tcu::TextureFormat mapGLInternalFormat (deUint32 internalFormat);
Mika Isojärvib0f5bf52015-01-08 15:42:40 -080062tcu::CompressedTexFormat mapGLCompressedTexFormat (deUint32 format);
Jarkko Poyry3c827362014-09-02 11:48:52 +030063bool isGLInternalColorFormatFilterable (deUint32 internalFormat);
64tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 minFilter, deUint32 magFilter);
65tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter);
66tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 minFilter, deUint32 magFilter);
67tcu::Sampler::CompareMode mapGLCompareFunc (deUint32 mode);
68
69TransferFormat getTransferFormat (tcu::TextureFormat format);
70deUint32 getInternalFormat (tcu::TextureFormat format);
Mika Isojärvibecd5d52014-11-04 17:30:50 +020071deUint32 getGLFormat (tcu::CompressedTexFormat format);
Jarkko Poyry3c827362014-09-02 11:48:52 +030072
73deUint32 getGLWrapMode (tcu::Sampler::WrapMode wrapMode);
74deUint32 getGLFilterMode (tcu::Sampler::FilterMode filterMode);
75deUint32 getGLCompareFunc (tcu::Sampler::CompareMode compareMode);
76
77deUint32 getGLCubeFace (tcu::CubeFace face);
Mika Isojärvi07b89ce2015-01-08 15:20:07 -080078tcu::CubeFace getCubeFaceFromGL (deUint32 face);
Jarkko Poyry3c827362014-09-02 11:48:52 +030079
80DataType getSampler1DType (tcu::TextureFormat format);
81DataType getSampler2DType (tcu::TextureFormat format);
82DataType getSamplerCubeType (tcu::TextureFormat format);
Akos Dirneredf98032016-06-28 15:12:00 +020083DataType getSampler1DArrayType (tcu::TextureFormat format);
Jarkko Poyry3c827362014-09-02 11:48:52 +030084DataType getSampler2DArrayType (tcu::TextureFormat format);
85DataType getSampler3DType (tcu::TextureFormat format);
86DataType getSamplerCubeArrayType (tcu::TextureFormat format);
87
88bool isSizedFormatColorRenderable (const RenderContext& renderCtx, const ContextInfo& contextInfo, deUint32 sizedFormat);
Jarkko Pöyry238d2ae2015-02-23 18:15:05 -080089bool isCompressedFormat (deUint32 internalFormat);
Jarkko Poyry3c827362014-09-02 11:48:52 +030090
Jarkko Pöyry45b7dbb2015-04-23 16:02:39 -070091const tcu::IVec2 (&getDefaultGatherOffsets (void))[4];
92
Jarkko Pöyry12fea2e2015-03-13 12:32:21 -070093tcu::PixelBufferAccess getTextureBufferEffectiveRefTexture (TextureBuffer& buffer, int maxTextureBufferSize);
94tcu::ConstPixelBufferAccess getTextureBufferEffectiveRefTexture (const TextureBuffer& buffer, int maxTextureBufferSize);
95
Jarkko Poyry3c827362014-09-02 11:48:52 +030096} // glu
97
98#endif // _GLUTEXTUREUTIL_HPP