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      1 #ifndef _GLSRANDOMUNIFORMBLOCKCASE_HPP
      2 #define _GLSRANDOMUNIFORMBLOCKCASE_HPP
      3 /*-------------------------------------------------------------------------
      4  * drawElements Quality Program OpenGL (ES) 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 Random uniform block layout case.
     24  *//*--------------------------------------------------------------------*/
     25 
     26 #include "tcuDefs.hpp"
     27 #include "tcuTestCase.hpp"
     28 #include "glsUniformBlockCase.hpp"
     29 
     30 namespace de
     31 {
     32 class Random;
     33 } // de
     34 
     35 namespace deqp
     36 {
     37 namespace gls
     38 {
     39 
     40 namespace ub
     41 {
     42 
     43 enum FeatureBits
     44 {
     45 	FEATURE_VECTORS				= (1<<0),
     46 	FEATURE_MATRICES			= (1<<1),
     47 	FEATURE_ARRAYS				= (1<<2),
     48 	FEATURE_STRUCTS				= (1<<3),
     49 	FEATURE_NESTED_STRUCTS		= (1<<4),
     50 	FEATURE_INSTANCE_ARRAYS		= (1<<5),
     51 	FEATURE_VERTEX_BLOCKS		= (1<<6),
     52 	FEATURE_FRAGMENT_BLOCKS		= (1<<7),
     53 	FEATURE_SHARED_BLOCKS		= (1<<8),
     54 	FEATURE_UNUSED_UNIFORMS		= (1<<9),
     55 	FEATURE_UNUSED_MEMBERS		= (1<<10),
     56 	FEATURE_PACKED_LAYOUT		= (1<<11),
     57 	FEATURE_SHARED_LAYOUT		= (1<<12),
     58 	FEATURE_STD140_LAYOUT		= (1<<13),
     59 	FEATURE_MATRIX_LAYOUT		= (1<<14),	//!< Matrix layout flags.
     60 	FEATURE_ARRAYS_OF_ARRAYS	= (1<<15)
     61 };
     62 
     63 } // ub
     64 
     65 class RandomUniformBlockCase : public UniformBlockCase
     66 {
     67 public:
     68 							RandomUniformBlockCase		(tcu::TestContext&		testCtx,
     69 														 glu::RenderContext&	renderCtx,
     70 														 glu::GLSLVersion		glslVersion,
     71 														 const char*			name,
     72 														 const char*			description,
     73 														 BufferMode				bufferMode,
     74 														 deUint32				features,
     75 														 deUint32				seed);
     76 
     77 	void					init						(void);
     78 
     79 private:
     80 	void					generateBlock				(de::Random& rnd, deUint32 layoutFlags);
     81 	void					generateUniform				(de::Random& rnd, ub::UniformBlock& block);
     82 	ub::VarType				generateType				(de::Random& rnd, int typeDepth, bool arrayOk);
     83 
     84 	const deUint32			m_features;
     85 	const int				m_maxVertexBlocks;
     86 	const int				m_maxFragmentBlocks;
     87 	const int				m_maxSharedBlocks;
     88 	const int				m_maxInstances;
     89 	const int				m_maxArrayLength;
     90 	const int				m_maxStructDepth;
     91 	const int				m_maxBlockMembers;
     92 	const int				m_maxStructMembers;
     93 	const deUint32			m_seed;
     94 
     95 	int						m_blockNdx;
     96 	int						m_uniformNdx;
     97 	int						m_structNdx;
     98 };
     99 
    100 } // gls
    101 } // deqp
    102 
    103 #endif // _GLSRANDOMUNIFORMBLOCKCASE_HPP
    104