modules/glshared/glsVertexArrayTests.hpp

   1 #ifndef _GLSVERTEXARRAYTESTS_HPP
   2 #define _GLSVERTEXARRAYTESTS_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 Vertex array and buffer tests
  24  *//*--------------------------------------------------------------------*/
  25
  26 #include "tcuTestCase.hpp"
  27 #include "tcuVector.hpp"
  28 #include "tcuSurface.hpp"
  29 #include "gluRenderContext.hpp"
  30 #include "gluCallLogWrapper.hpp"
  31 #include "tcuTestLog.hpp"
  32 #include "gluShaderProgram.hpp"
  33 #include "deFloat16.h"
  34 #include "deMath.h"
  35 #include "tcuFloat.hpp"
  36 #include "tcuPixelFormat.hpp"
  37 #include "sglrContext.hpp"
  38
  39 namespace sglr
  40 {
  41
  42 class ReferenceContextBuffers;
  43 class ReferenceContext;
  44 class Context;
  45
  46 } // sglr
  47
  48 namespace deqp
  49 {
  50 namespace gls
  51 {
  52
  53 class Array
  54 {
  55 public:
  56         enum Target
  57         {
  58                 // \note [mika] Are these actualy used somewhere?
  59                 TARGET_ELEMENT_ARRAY = 0,
  60                 TARGET_ARRAY,
  61
  62                 TARGET_LAST
  63         };
  64
  65         enum InputType
  66         {
  67                 INPUTTYPE_FLOAT = 0,
  68                 INPUTTYPE_FIXED,
  69                 INPUTTYPE_DOUBLE,
  70
  71                 INPUTTYPE_BYTE,
  72                 INPUTTYPE_SHORT,
  73
  74                 INPUTTYPE_UNSIGNED_BYTE,
  75                 INPUTTYPE_UNSIGNED_SHORT,
  76
  77                 INPUTTYPE_INT,
  78                 INPUTTYPE_UNSIGNED_INT,
  79                 INPUTTYPE_HALF,
  80                 INPUTTYPE_UNSIGNED_INT_2_10_10_10,
  81                 INPUTTYPE_INT_2_10_10_10,
  82
  83                 INPUTTYPE_LAST
  84         };
  85
  86         enum OutputType
  87         {
  88                 OUTPUTTYPE_FLOAT = 0,
  89                 OUTPUTTYPE_VEC2,
  90                 OUTPUTTYPE_VEC3,
  91                 OUTPUTTYPE_VEC4,
  92
  93                 OUTPUTTYPE_INT,
  94                 OUTPUTTYPE_UINT,
  95
  96                 OUTPUTTYPE_IVEC2,
  97                 OUTPUTTYPE_IVEC3,
  98                 OUTPUTTYPE_IVEC4,
  99
 100                 OUTPUTTYPE_UVEC2,
 101                 OUTPUTTYPE_UVEC3,
 102                 OUTPUTTYPE_UVEC4,
 103
 104                 OUTPUTTYPE_LAST
 105         };
 106
 107         enum Usage
 108         {
 109                 USAGE_DYNAMIC_DRAW = 0,
 110                 USAGE_STATIC_DRAW,
 111                 USAGE_STREAM_DRAW,
 112
 113                 USAGE_STREAM_READ,
 114                 USAGE_STREAM_COPY,
 115
 116                 USAGE_STATIC_READ,
 117                 USAGE_STATIC_COPY,
 118
 119                 USAGE_DYNAMIC_READ,
 120                 USAGE_DYNAMIC_COPY,
 121
 122                 USAGE_LAST
 123         };
 124
 125         enum Storage
 126         {
 127                 STORAGE_USER = 0,
 128                 STORAGE_BUFFER,
 129
 130                 STORAGE_LAST
 131         };
 132
 133         enum Primitive
 134         {
 135                 PRIMITIVE_POINTS = 0,
 136                 PRIMITIVE_TRIANGLES,
 137                 PRIMITIVE_TRIANGLE_FAN,
 138                 PRIMITIVE_TRIANGLE_STRIP,
 139
 140                 PRIMITIVE_LAST
 141         };
 142
 143         static std::string      targetToString          (Target target);
 144         static std::string      inputTypeToString       (InputType type);
 145         static std::string      outputTypeToString      (OutputType type);
 146         static std::string      usageTypeToString       (Usage usage);
 147         static std::string      storageToString         (Storage storage);
 148         static std::string      primitiveToString       (Primitive primitive);
 149         static int                      inputTypeSize           (InputType type);
 150
 151         virtual                         ~Array                          (void) {}
 152         virtual void            data                            (Target target, int size, const char* data, Usage usage) = 0;
 153         virtual void            subdata                         (Target target, int offset, int size, const char* data) = 0;
 154         virtual void            bind                            (int attribNdx, int offset, int size, InputType inType, OutputType outType, bool normalized, int stride) = 0;
 155         virtual void            unBind                          (void) = 0;
 156
 157         virtual bool            isBound                         (void) const = 0;
 158         virtual int                     getComponentCount       (void) const = 0;
 159         virtual Target          getTarget                       (void) const = 0;
 160         virtual InputType       getInputType            (void) const = 0;
 161         virtual OutputType      getOutputType           (void) const = 0;
 162         virtual Storage         getStorageType          (void) const = 0;
 163         virtual bool            getNormalized           (void) const = 0;
 164         virtual int                     getStride                       (void) const = 0;
 165         virtual int                     getAttribNdx            (void) const = 0;
 166         virtual void            setAttribNdx            (int attribNdx) = 0;
 167 };
 168
 169 class ContextArray : public Array
 170 {
 171 public:
 172                                                                 ContextArray            (Storage storage, sglr::Context& context);
 173         virtual                                         ~ContextArray           (void);
 174         virtual void                            data                            (Target target, int size, const char* data, Usage usage);
 175         virtual void                            subdata                         (Target target, int offset, int size, const char* data);
 176         virtual void                            bind                            (int attribNdx, int offset, int size, InputType inType, OutputType outType, bool normalized, int stride);
 177         virtual void                            bindIndexArray          (Array::Target storage);
 178         virtual void                            unBind                          (void) { m_bound = false; }
 179         virtual bool                            isBound                         (void) const { return m_bound; }
 180
 181         virtual int                                     getComponentCount       (void) const { return m_componentCount; }
 182         virtual Array::Target           getTarget                       (void) const { return m_target; }
 183         virtual Array::InputType        getInputType            (void) const { return m_inputType; }
 184         virtual Array::OutputType       getOutputType           (void) const { return m_outputType; }
 185         virtual Array::Storage          getStorageType          (void) const { return m_storage; }
 186         virtual bool                            getNormalized           (void) const { return m_normalize; }
 187         virtual int                                     getStride                       (void) const { return m_stride; }
 188         virtual int                                     getAttribNdx            (void) const { return m_attribNdx; }
 189         virtual void                            setAttribNdx            (int attribNdx) { m_attribNdx = attribNdx; }
 190
 191         void                                            glBind                          (deUint32 loc);
 192         static deUint32                         targetToGL                      (Array::Target target);
 193         static deUint32                         usageToGL                       (Array::Usage usage);
 194         static deUint32                         inputTypeToGL           (Array::InputType type);
 195         static std::string                      outputTypeToGLType      (Array::OutputType type);
 196         static deUint32                         primitiveToGL           (Array::Primitive primitive);
 197
 198 private:
 199         Storage                                         m_storage;
 200         sglr::Context&                          m_ctx;
 201         deUint32                                        m_glBuffer;
 202
 203         bool                                            m_bound;
 204         int                                                     m_attribNdx;
 205         int                                                     m_size;
 206         char*                                           m_data;
 207         int                                                     m_componentCount;
 208         Array::Target                           m_target;
 209         Array::InputType                        m_inputType;
 210         Array::OutputType                       m_outputType;
 211         bool                                            m_normalize;
 212         int                                                     m_stride;
 213         int                                                     m_offset;
 214 };
 215
 216 class ContextArrayPack
 217 {
 218 public:
 219                                                                 ContextArrayPack        (glu::RenderContext& renderCtx, sglr::Context& drawContext);
 220         virtual                                         ~ContextArrayPack       (void);
 221         virtual Array*                          getArray                        (int i);
 222         virtual int                                     getArrayCount           (void);
 223         virtual void                            newArray                        (Array::Storage storage);
 224         virtual void                            render                          (Array::Primitive primitive, int firstVertex, int vertexCount, bool useVao, float coordScale, float colorScale);
 225
 226         const tcu::Surface&                     getSurface                      (void) const { return m_screen; }
 227 private:
 228         void                                            updateProgram           (void);
 229         glu::RenderContext&                     m_renderCtx;
 230         sglr::Context&                          m_ctx;
 231
 232         std::vector<ContextArray*>      m_arrays;
 233         sglr::ShaderProgram*            m_program;
 234         tcu::Surface                            m_screen;
 235 };
 236
 237 class GLValue
 238 {
 239 public:
 240         template<class Type>
 241         class WrappedType
 242         {
 243         public:
 244                 static WrappedType<Type>        create                  (Type value)                                                    { WrappedType<Type> v; v.m_value = value; return v; }
 245                 static WrappedType<Type>        fromFloat               (float value)                                                   { WrappedType<Type> v; v.m_value = (Type)value; return v; }
 246                 inline Type                                     getValue                (void) const                                                    { return m_value; }
 247
 248                 inline WrappedType<Type>        operator+               (const WrappedType<Type>& other) const  { return WrappedType<Type>::create((Type)(m_value + other.getValue())); }
 249                 inline WrappedType<Type>        operator*               (const WrappedType<Type>& other) const  { return WrappedType<Type>::create((Type)(m_value * other.getValue())); }
 250                 inline WrappedType<Type>        operator/               (const WrappedType<Type>& other) const  { return WrappedType<Type>::create((Type)(m_value / other.getValue())); }
 251                 inline WrappedType<Type>        operator%               (const WrappedType<Type>& other) const  { return WrappedType<Type>::create((Type)(m_value % other.getValue())); }
 252                 inline WrappedType<Type>        operator-               (const WrappedType<Type>& other) const  { return WrappedType<Type>::create((Type)(m_value - other.getValue())); }
 253
 254                 inline WrappedType<Type>&       operator+=              (const WrappedType<Type>& other)                { m_value += other.getValue(); return *this; }
 255                 inline WrappedType<Type>&       operator*=              (const WrappedType<Type>& other)                { m_value *= other.getValue(); return *this; }
 256                 inline WrappedType<Type>&       operator/=              (const WrappedType<Type>& other)                { m_value /= other.getValue(); return *this; }
 257                 inline WrappedType<Type>&       operator-=              (const WrappedType<Type>& other)                { m_value -= other.getValue(); return *this; }
 258
 259                 inline bool                                     operator==              (const WrappedType<Type>& other) const  { return m_value == other.m_value; }
 260                 inline bool                                     operator!=              (const WrappedType<Type>& other) const  { return m_value != other.m_value; }
 261                 inline bool                                     operator<               (const WrappedType<Type>& other) const  { return m_value < other.m_value; }
 262                 inline bool                                     operator>               (const WrappedType<Type>& other) const  { return m_value > other.m_value; }
 263                 inline bool                                     operator<=              (const WrappedType<Type>& other) const  { return m_value <= other.m_value; }
 264                 inline bool                                     operator>=              (const WrappedType<Type>& other) const  { return m_value >= other.m_value; }
 265
 266                 inline                                          operator Type   (void) const                                                    { return m_value; }
 267                 template<class T>
 268                 inline T                                        to                              (void) const                                                    { return (T)m_value; }
 269         private:
 270                 Type    m_value;
 271         };
 272
 273         template<class Type>
 274         class WrappedFloatType
 275         {
 276         public:
 277                 static WrappedFloatType<Type>   create                  (Type value)                                                    { WrappedFloatType<Type> v; v.m_value = value; return v; }
 278                 static WrappedFloatType<Type>   fromFloat               (float value)                                                   { WrappedFloatType<Type> v; v.m_value = (Type)value; return v; }
 279                 inline Type                                             getValue                (void) const                                                    { return m_value; }
 280
 281                 inline WrappedFloatType<Type>   operator+               (const WrappedFloatType<Type>& other) const     { return WrappedFloatType<Type>::create((Type)(m_value + other.getValue())); }
 282                 inline WrappedFloatType<Type>   operator*               (const WrappedFloatType<Type>& other) const     { return WrappedFloatType<Type>::create((Type)(m_value * other.getValue())); }
 283                 inline WrappedFloatType<Type>   operator/               (const WrappedFloatType<Type>& other) const     { return WrappedFloatType<Type>::create((Type)(m_value / other.getValue())); }
 284                 inline WrappedFloatType<Type>   operator%               (const WrappedFloatType<Type>& other) const     { return WrappedFloatType<Type>::create((Type)(deMod(m_value, other.getValue()))); }
 285                 inline WrappedFloatType<Type>   operator-               (const WrappedFloatType<Type>& other) const     { return WrappedFloatType<Type>::create((Type)(m_value - other.getValue())); }
 286
 287                 inline WrappedFloatType<Type>&  operator+=              (const WrappedFloatType<Type>& other)           { m_value += other.getValue(); return *this; }
 288                 inline WrappedFloatType<Type>&  operator*=              (const WrappedFloatType<Type>& other)           { m_value *= other.getValue(); return *this; }
 289                 inline WrappedFloatType<Type>&  operator/=              (const WrappedFloatType<Type>& other)           { m_value /= other.getValue(); return *this; }
 290                 inline WrappedFloatType<Type>&  operator-=              (const WrappedFloatType<Type>& other)           { m_value -= other.getValue(); return *this; }
 291
 292                 inline bool                                             operator==              (const WrappedFloatType<Type>& other) const     { return m_value == other.m_value; }
 293                 inline bool                                             operator!=              (const WrappedFloatType<Type>& other) const     { return m_value != other.m_value; }
 294                 inline bool                                             operator<               (const WrappedFloatType<Type>& other) const     { return m_value < other.m_value; }
 295                 inline bool                                             operator>               (const WrappedFloatType<Type>& other) const     { return m_value > other.m_value; }
 296                 inline bool                                             operator<=              (const WrappedFloatType<Type>& other) const     { return m_value <= other.m_value; }
 297                 inline bool                                             operator>=              (const WrappedFloatType<Type>& other) const     { return m_value >= other.m_value; }
 298
 299                 inline                                                  operator Type   (void) const                                                    { return m_value; }
 300                 template<class T>
 301                 inline T                                                to                              (void) const                                                    { return (T)m_value; }
 302         private:
 303                 Type    m_value;
 304         };
 305
 306         typedef WrappedType<deInt16>            Short;
 307         typedef WrappedType<deUint16>           Ushort;
 308
 309         typedef WrappedType<deInt8>                     Byte;
 310         typedef WrappedType<deUint8>            Ubyte;
 311
 312         typedef WrappedFloatType<float>         Float;
 313         typedef WrappedFloatType<double>        Double;
 314
 315         typedef WrappedType<deInt32>            Int;
 316         typedef WrappedType<deUint32>           Uint;
 317
 318         class Half
 319         {
 320         public:
 321                 static Half                     create                  (float value)                           { Half h; h.m_value = floatToHalf(value); return h; }
 322                 static Half                     fromFloat               (float value)                           { Half h; h.m_value = floatToHalf(value); return h; }
 323                 inline deFloat16        getValue                (void) const                            { return m_value; }
 324
 325                 inline Half                     operator+               (const Half& other) const       { return create(halfToFloat(m_value) + halfToFloat(other.getValue())); }
 326                 inline Half                     operator*               (const Half& other) const       { return create(halfToFloat(m_value) * halfToFloat(other.getValue())); }
 327                 inline Half                     operator/               (const Half& other) const       { return create(halfToFloat(m_value) / halfToFloat(other.getValue())); }
 328                 inline Half                     operator%               (const Half& other) const       { return create(deFloatMod(halfToFloat(m_value), halfToFloat(other.getValue()))); }
 329                 inline Half                     operator-               (const Half& other) const       { return create(halfToFloat(m_value) - halfToFloat(other.getValue())); }
 330
 331                 inline Half&            operator+=              (const Half& other)                     { m_value = floatToHalf(halfToFloat(other.getValue()) + halfToFloat(m_value)); return *this; }
 332                 inline Half&            operator*=              (const Half& other)                     { m_value = floatToHalf(halfToFloat(other.getValue()) * halfToFloat(m_value)); return *this; }
 333                 inline Half&            operator/=              (const Half& other)                     { m_value = floatToHalf(halfToFloat(other.getValue()) / halfToFloat(m_value)); return *this; }
 334                 inline Half&            operator-=              (const Half& other)                     { m_value = floatToHalf(halfToFloat(other.getValue()) - halfToFloat(m_value)); return *this; }
 335
 336                 inline bool                     operator==              (const Half& other) const       { return m_value == other.m_value; }
 337                 inline bool                     operator!=              (const Half& other) const       { return m_value != other.m_value; }
 338                 inline bool                     operator<               (const Half& other) const       { return halfToFloat(m_value) < halfToFloat(other.m_value); }
 339                 inline bool                     operator>               (const Half& other) const       { return halfToFloat(m_value) > halfToFloat(other.m_value); }
 340                 inline bool                     operator<=              (const Half& other) const       { return halfToFloat(m_value) <= halfToFloat(other.m_value); }
 341                 inline bool                     operator>=              (const Half& other) const       { return halfToFloat(m_value) >= halfToFloat(other.m_value); }
 342
 343                 template<class T>
 344                 inline T                        to                              (void) const                            { return (T)halfToFloat(m_value); }
 345
 346                 inline static deFloat16 floatToHalf             (float f);
 347                 inline static float             halfToFloat             (deFloat16 h);
 348         private:
 349                 deFloat16 m_value;
 350         };
 351
 352         class Fixed
 353         {
 354         public:
 355                 static Fixed            create                  (deInt32 value)                         { Fixed v; v.m_value = value; return v; }
 356                 static Fixed            fromFloat               (float value)                           { Fixed v; v.m_value = (deInt32)(value * 32768.0f); return v; }
 357                 inline deInt32          getValue                (void) const                            { return m_value; }
 358
 359                 inline Fixed            operator+               (const Fixed& other) const      { return create(m_value + other.getValue()); }
 360                 inline Fixed            operator*               (const Fixed& other) const      { return create(m_value * other.getValue()); }
 361                 inline Fixed            operator/               (const Fixed& other) const      { return create(m_value / other.getValue()); }
 362                 inline Fixed            operator%               (const Fixed& other) const      { return create(m_value % other.getValue()); }
 363                 inline Fixed            operator-               (const Fixed& other) const      { return create(m_value - other.getValue()); }
 364
 365                 inline Fixed&           operator+=              (const Fixed& other)            { m_value += other.getValue(); return *this; }
 366                 inline Fixed&           operator*=              (const Fixed& other)            { m_value *= other.getValue(); return *this; }
 367                 inline Fixed&           operator/=              (const Fixed& other)            { m_value /= other.getValue(); return *this; }
 368                 inline Fixed&           operator-=              (const Fixed& other)            { m_value -= other.getValue(); return *this; }
 369
 370                 inline bool                     operator==              (const Fixed& other) const      { return m_value == other.m_value; }
 371                 inline bool                     operator!=              (const Fixed& other) const      { return m_value != other.m_value; }
 372                 inline bool                     operator<               (const Fixed& other) const      { return m_value < other.m_value; }
 373                 inline bool                     operator>               (const Fixed& other) const      { return m_value > other.m_value; }
 374                 inline bool                     operator<=              (const Fixed& other) const      { return m_value <= other.m_value; }
 375                 inline bool                     operator>=              (const Fixed& other) const      { return m_value >= other.m_value; }
 376
 377                 inline                          operator deInt32 (void) const                           { return m_value; }
 378                 template<class T>
 379                 inline T                        to                              (void) const                            { return (T)m_value; }
 380         private:
 381                 deInt32                         m_value;
 382         };
 383
 384         // \todo [mika] This is pretty messy
 385                                                 GLValue                 (void)                  : type(Array::INPUTTYPE_LAST) {}
 386         explicit                        GLValue                 (Float value)   : type(Array::INPUTTYPE_FLOAT),                         fl(value)       {}
 387         explicit                        GLValue                 (Fixed value)   : type(Array::INPUTTYPE_FIXED),                         fi(value)       {}
 388         explicit                        GLValue                 (Byte value)    : type(Array::INPUTTYPE_BYTE),                          b(value)        {}
 389         explicit                        GLValue                 (Ubyte value)   : type(Array::INPUTTYPE_UNSIGNED_BYTE),         ub(value)       {}
 390         explicit                        GLValue                 (Short value)   : type(Array::INPUTTYPE_SHORT),                         s(value)        {}
 391         explicit                        GLValue                 (Ushort value)  : type(Array::INPUTTYPE_UNSIGNED_SHORT),        us(value)       {}
 392         explicit                        GLValue                 (Int value)             : type(Array::INPUTTYPE_INT),                           i(value)        {}
 393         explicit                        GLValue                 (Uint value)    : type(Array::INPUTTYPE_UNSIGNED_INT),          ui(value)       {}
 394         explicit                        GLValue                 (Half value)    : type(Array::INPUTTYPE_HALF),                          h(value)        {}
 395         explicit                        GLValue                 (Double value)  : type(Array::INPUTTYPE_DOUBLE),                        d(value)        {}
 396
 397         float                           toFloat                 (void) const;
 398
 399         static GLValue          getMaxValue             (Array::InputType type);
 400         static GLValue          getMinValue             (Array::InputType type);
 401
 402         Array::InputType        type;
 403
 404         union
 405         {
 406                 Float           fl;
 407                 Fixed           fi;
 408                 Double          d;
 409                 Byte            b;
 410                 Ubyte           ub;
 411                 Short           s;
 412                 Ushort          us;
 413                 Int                     i;
 414                 Uint            ui;
 415                 Half            h;
 416         };
 417 };
 418
 419 class VertexArrayTest : public tcu::TestCase
 420 {
 421 public:
 422                                                                         VertexArrayTest         (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const char* name ,const char* desc);
 423         virtual                                                 ~VertexArrayTest        (void);
 424         virtual void                                    init                            (void);
 425         virtual void                                    deinit                          (void);
 426
 427 protected:
 428                                                                         VertexArrayTest         (const VertexArrayTest& other);
 429         VertexArrayTest&                                operator=                       (const VertexArrayTest& other);
 430
 431         void                                                    compare                         (void);
 432
 433         glu::RenderContext&                             m_renderCtx;
 434
 435         sglr::ReferenceContextBuffers*  m_refBuffers;
 436         sglr::ReferenceContext*                 m_refContext;
 437         sglr::Context*                                  m_glesContext;
 438
 439         ContextArrayPack*                               m_glArrayPack;
 440         ContextArrayPack*                               m_rrArrayPack;
 441         bool                                                    m_isOk;
 442
 443         int                                                             m_maxDiffRed;
 444         int                                                             m_maxDiffGreen;
 445         int                                                             m_maxDiffBlue;
 446 };
 447
 448 class MultiVertexArrayTest : public VertexArrayTest
 449 {
 450 public:
 451         class Spec
 452         {
 453         public:
 454                 class ArraySpec
 455                 {
 456                 public:
 457                                                                 ArraySpec       (Array::InputType inputType, Array::OutputType outputType, Array::Storage storage, Array::Usage usage, int componetCount, int offset, int stride, bool normalize, GLValue min, GLValue max);
 458
 459                         Array::InputType        inputType;
 460                         Array::OutputType       outputType;
 461                         Array::Storage          storage;
 462                         Array::Usage            usage;
 463                         int                                     componentCount;
 464                         int                                     offset;
 465                         int                                     stride;
 466                         bool                            normalize;
 467                         GLValue                         min;
 468                         GLValue                         max;
 469                 };
 470
 471                 std::string                             getName         (void) const;
 472                 std::string                             getDesc         (void) const;
 473
 474                 Array::Primitive                primitive;
 475                 int                                             drawCount;                      //!<Number of primitives to draw
 476                 int                                             first;
 477
 478                 std::vector<ArraySpec>  arrays;
 479         };
 480
 481                                                         MultiVertexArrayTest    (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const Spec& spec, const char* name, const char* desc);
 482         virtual                                 ~MultiVertexArrayTest   (void);
 483         virtual IterateResult   iterate                                 (void);
 484
 485 private:
 486         bool                                    isUnalignedBufferOffsetTest             (void) const;
 487         bool                                    isUnalignedBufferStrideTest             (void) const;
 488
 489         Spec                                    m_spec;
 490         int                                             m_iteration;
 491 };
 492
 493 inline deFloat16 GLValue::Half::floatToHalf (float f)
 494 {
 495         // No denorm support.
 496         tcu::Float<deUint16, 5, 10, 15, tcu::FLOAT_HAS_SIGN> v(f);
 497         DE_ASSERT(!v.isNaN() && !v.isInf());
 498         return v.bits();
 499 }
 500
 501 inline float GLValue::Half::halfToFloat (deFloat16 h)
 502 {
 503         return tcu::Float16((deUint16)h).asFloat();
 504 }
 505
 506 } // gls
 507 } // deqp
 508
 509 #endif // _GLSVERTEXARRAYTESTS_HPP