1#ifndef _ES31FFBOTESTUTIL_HPP
2#define _ES31FFBOTESTUTIL_HPP
3/*-------------------------------------------------------------------------
4 * drawElements Quality Program OpenGL ES 3.1 Module
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 FBO test utilities.
24 *//*--------------------------------------------------------------------*/
25
26#include "tcuDefs.hpp"
27#include "sglrContext.hpp"
28#include "gluShaderUtil.hpp"
29#include "tcuTexture.hpp"
30#include "tcuMatrix.hpp"
31#include "tcuRenderTarget.hpp"
32
33#include <vector>
34
35namespace deqp
36{
37namespace gles31
38{
39namespace Functional
40{
41namespace FboTestUtil
42{
43
44// \todo [2012-04-29 pyry] Clean up and name as SglrUtil
45
46// Helper class for constructing DataType vectors.
47struct DataTypes
48{
49	std::vector<glu::DataType> vec;
50	DataTypes& operator<< (glu::DataType type) { vec.push_back(type); return *this; }
51};
52
53// Shaders.
54
55class Texture2DShader : public sglr::ShaderProgram
56{
57public:
58					Texture2DShader			(const DataTypes& samplerTypes, glu::DataType outputType, const tcu::Vec4& outScale = tcu::Vec4(1.0f), const tcu::Vec4& outBias = tcu::Vec4(0.0f));
59					~Texture2DShader		(void) {}
60
61	void			setUnit					(int samplerNdx, int unitNdx);
62	void			setTexScaleBias			(int samplerNdx, const tcu::Vec4& scale, const tcu::Vec4& bias);
63	void			setOutScaleBias			(const tcu::Vec4& scale, const tcu::Vec4& bias);
64
65	void			setUniforms				(sglr::Context& context, deUint32 program) const;
66
67	void			shadeVertices			(const rr::VertexAttrib* inputs, rr::VertexPacket* const* packets, const int numPackets) const;
68	void			shadeFragments			(rr::FragmentPacket* packets, const int numPackets, const rr::FragmentShadingContext& context) const;
69
70private:
71	struct Input
72	{
73		int			unitNdx;
74		tcu::Vec4	scale;
75		tcu::Vec4	bias;
76	};
77
78	std::vector<Input>	m_inputs;
79	tcu::Vec4			m_outScale;
80	tcu::Vec4			m_outBias;
81
82	const glu::DataType	m_outputType;
83};
84
85class TextureCubeArrayShader : public sglr::ShaderProgram
86{
87public:
88						TextureCubeArrayShader	(glu::DataType samplerType, glu::DataType outputType);
89						~TextureCubeArrayShader	(void) {}
90
91	void				setLayer				(int layer);
92	void				setFace					(tcu::CubeFace face);
93	void				setTexScaleBias			(const tcu::Vec4& scale, const tcu::Vec4& bias);
94
95	void				setUniforms				(sglr::Context& context, deUint32 program) const;
96
97	void				shadeVertices			(const rr::VertexAttrib* inputs, rr::VertexPacket* const* packets, const int numPackets) const;
98	void				shadeFragments			(rr::FragmentPacket* packets, const int numPackets, const rr::FragmentShadingContext& context) const;
99
100private:
101	tcu::Vec4			m_texScale;
102	tcu::Vec4			m_texBias;
103	int					m_layer;
104	tcu::Mat3			m_coordMat;
105
106	const glu::DataType	m_outputType;
107};
108
109// Framebuffer incomplete exception.
110class FboIncompleteException : public tcu::TestError
111{
112public:
113						FboIncompleteException		(deUint32 reason, const char* file, int line);
114	virtual				~FboIncompleteException		(void) throw() {}
115
116	deUint32			getReason					(void) const { return m_reason; }
117
118private:
119	deUint32			m_reason;
120};
121
122// Utility functions
123
124glu::DataType			getFragmentOutputType				(const tcu::TextureFormat& format);
125tcu::TextureFormat		getFramebufferReadFormat			(const tcu::TextureFormat& format);
126
127const char*				getFormatName						(deUint32 format);
128
129void					clearColorBuffer					(sglr::Context& ctx, const tcu::TextureFormat& format, const tcu::Vec4& value);
130void					readPixels							(sglr::Context& ctx, tcu::Surface& dst, int x, int y, int width, int height, const tcu::TextureFormat& format, const tcu::Vec4& scale, const tcu::Vec4& bias);
131
132tcu::RGBA				getFormatThreshold					(const tcu::TextureFormat& format);
133tcu::RGBA				getFormatThreshold					(const deUint32 glFormat);
134
135} // FboTestUtil
136} // Functional
137} // gles31
138} // deqp
139
140#endif // _ES31FFBOTESTUTIL_HPP
141