#ifndef _GLSUNIFORMBLOCKCASE_HPP
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#define _GLSUNIFORMBLOCKCASE_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program OpenGL (ES) Module
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* -----------------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief Uniform block tests.
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*//*--------------------------------------------------------------------*/
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#include "tcuDefs.hpp"
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#include "tcuTestCase.hpp"
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#include "gluShaderUtil.hpp"
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namespace glu
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{
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class RenderContext;
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}
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namespace deqp
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{
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namespace gls
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{
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// Uniform block details.
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namespace ub
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{
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enum UniformFlags
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{
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PRECISION_LOW = (1<<0),
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PRECISION_MEDIUM = (1<<1),
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PRECISION_HIGH = (1<<2),
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PRECISION_MASK = PRECISION_LOW|PRECISION_MEDIUM|PRECISION_HIGH,
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LAYOUT_SHARED = (1<<3),
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LAYOUT_PACKED = (1<<4),
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LAYOUT_STD140 = (1<<5),
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LAYOUT_ROW_MAJOR = (1<<6),
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LAYOUT_COLUMN_MAJOR = (1<<7), //!< \note Lack of both flags means column-major matrix.
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LAYOUT_MASK = LAYOUT_SHARED|LAYOUT_PACKED|LAYOUT_STD140|LAYOUT_ROW_MAJOR|LAYOUT_COLUMN_MAJOR,
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DECLARE_VERTEX = (1<<8),
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DECLARE_FRAGMENT = (1<<9),
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DECLARE_BOTH = DECLARE_VERTEX|DECLARE_FRAGMENT,
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UNUSED_VERTEX = (1<<10), //!< Uniform or struct member is not read in vertex shader.
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UNUSED_FRAGMENT = (1<<11), //!< Uniform or struct member is not read in fragment shader.
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UNUSED_BOTH = UNUSED_VERTEX|UNUSED_FRAGMENT
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};
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// \todo [2012-07-25 pyry] Use glu::VarType.
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class StructType;
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class VarType
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{
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public:
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VarType (void);
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VarType (const VarType& other);
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VarType (glu::DataType basicType, deUint32 flags);
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VarType (const VarType& elementType, int arraySize);
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explicit VarType (const StructType* structPtr);
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~VarType (void);
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bool isBasicType (void) const { return m_type == TYPE_BASIC; }
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bool isArrayType (void) const { return m_type == TYPE_ARRAY; }
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bool isStructType (void) const { return m_type == TYPE_STRUCT; }
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deUint32 getFlags (void) const { return m_flags; }
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glu::DataType getBasicType (void) const { return m_data.basicType; }
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const VarType& getElementType (void) const { return *m_data.array.elementType; }
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int getArraySize (void) const { return m_data.array.size; }
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const StructType& getStruct (void) const { return *m_data.structPtr; }
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VarType& operator= (const VarType& other);
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private:
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enum Type
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{
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TYPE_BASIC,
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TYPE_ARRAY,
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TYPE_STRUCT,
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TYPE_LAST
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};
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Type m_type;
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deUint32 m_flags;
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union Data
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{
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glu::DataType basicType;
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struct
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{
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VarType* elementType;
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int size;
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} array;
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const StructType* structPtr;
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Data (void)
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{
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array.elementType = DE_NULL;
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array.size = 0;
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};
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} m_data;
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};
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class StructMember
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{
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public:
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StructMember (const char* name, const VarType& type, deUint32 flags) : m_name(name), m_type(type), m_flags(flags) {}
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StructMember (void) : m_flags(0) {}
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const char* getName (void) const { return m_name.c_str(); }
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const VarType& getType (void) const { return m_type; }
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deUint32 getFlags (void) const { return m_flags; }
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private:
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std::string m_name;
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VarType m_type;
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deUint32 m_flags;
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};
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class StructType
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{
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public:
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typedef std::vector<StructMember>::iterator Iterator;
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typedef std::vector<StructMember>::const_iterator ConstIterator;
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StructType (const char* typeName) : m_typeName(typeName) {}
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~StructType (void) {}
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const char* getTypeName (void) const { return m_typeName.empty() ? DE_NULL : m_typeName.c_str(); }
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inline Iterator begin (void) { return m_members.begin(); }
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inline ConstIterator begin (void) const { return m_members.begin(); }
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inline Iterator end (void) { return m_members.end(); }
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inline ConstIterator end (void) const { return m_members.end(); }
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void addMember (const char* name, const VarType& type, deUint32 flags = 0);
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private:
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std::string m_typeName;
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std::vector<StructMember> m_members;
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};
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class Uniform
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{
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public:
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Uniform (const char* name, const VarType& type, deUint32 flags = 0);
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const char* getName (void) const { return m_name.c_str(); }
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const VarType& getType (void) const { return m_type; }
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deUint32 getFlags (void) const { return m_flags; }
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private:
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std::string m_name;
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VarType m_type;
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deUint32 m_flags;
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};
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class UniformBlock
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{
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public:
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typedef std::vector<Uniform>::iterator Iterator;
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typedef std::vector<Uniform>::const_iterator ConstIterator;
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UniformBlock (const char* blockName);
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const char* getBlockName (void) const { return m_blockName.c_str(); }
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const char* getInstanceName (void) const { return m_instanceName.empty() ? DE_NULL : m_instanceName.c_str(); }
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bool isArray (void) const { return m_arraySize > 0; }
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int getArraySize (void) const { return m_arraySize; }
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deUint32 getFlags (void) const { return m_flags; }
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void setInstanceName (const char* name) { m_instanceName = name; }
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void setFlags (deUint32 flags) { m_flags = flags; }
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void setArraySize (int arraySize) { m_arraySize = arraySize; }
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void addUniform (const Uniform& uniform) { m_uniforms.push_back(uniform); }
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inline Iterator begin (void) { return m_uniforms.begin(); }
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inline ConstIterator begin (void) const { return m_uniforms.begin(); }
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inline Iterator end (void) { return m_uniforms.end(); }
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inline ConstIterator end (void) const { return m_uniforms.end(); }
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private:
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std::string m_blockName;
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std::string m_instanceName;
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std::vector<Uniform> m_uniforms;
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int m_arraySize; //!< Array size or 0 if not interface block array.
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deUint32 m_flags;
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};
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class ShaderInterface
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{
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public:
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ShaderInterface (void);
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~ShaderInterface (void);
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StructType& allocStruct (const char* name);
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const StructType* findStruct (const char* name) const;
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void getNamedStructs (std::vector<const StructType*>& structs) const;
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UniformBlock& allocBlock (const char* name);
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int getNumUniformBlocks (void) const { return (int)m_uniformBlocks.size(); }
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const UniformBlock& getUniformBlock (int ndx) const { return *m_uniformBlocks[ndx]; }
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private:
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std::vector<StructType*> m_structs;
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std::vector<UniformBlock*> m_uniformBlocks;
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};
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class UniformLayout;
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} // ub
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class UniformBlockCase : public tcu::TestCase
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{
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public:
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enum BufferMode
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{
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BUFFERMODE_SINGLE = 0, //!< Single buffer shared between uniform blocks.
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BUFFERMODE_PER_BLOCK, //!< Per-block buffers
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BUFFERMODE_LAST
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};
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UniformBlockCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const char* name, const char* description, glu::GLSLVersion glslVersion, BufferMode bufferMode);
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~UniformBlockCase (void);
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IterateResult iterate (void);
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protected:
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bool compareStd140Blocks (const ub::UniformLayout& refLayout, const ub::UniformLayout& cmpLayout) const;
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bool compareSharedBlocks (const ub::UniformLayout& refLayout, const ub::UniformLayout& cmpLayout) const;
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bool compareTypes (const ub::UniformLayout& refLayout, const ub::UniformLayout& cmpLayout) const;
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bool checkLayoutIndices (const ub::UniformLayout& layout) const;
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bool checkLayoutBounds (const ub::UniformLayout& layout) const;
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bool checkIndexQueries (deUint32 program, const ub::UniformLayout& layout) const;
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bool render (deUint32 program) const;
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glu::RenderContext& m_renderCtx;
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glu::GLSLVersion m_glslVersion;
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BufferMode m_bufferMode;
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ub::ShaderInterface m_interface;
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};
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} // gls
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} // deqp
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#endif // _GLSUNIFORMBLOCKCASE_HPP
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