tcuTexture.hpp revision afa7d2831523587d80e5540ffb7f75adf418ce5f
1#ifndef _TCUTEXTURE_HPP 2#define _TCUTEXTURE_HPP 3/*------------------------------------------------------------------------- 4 * drawElements Quality Program Tester Core 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 Reference Texture Implementation. 24 *//*--------------------------------------------------------------------*/ 25 26#include "tcuDefs.hpp" 27#include "tcuVector.hpp" 28#include "rrGenericVector.hpp" 29#include "deArrayBuffer.hpp" 30 31#include <vector> 32#include <ostream> 33 34namespace tcu 35{ 36 37/*--------------------------------------------------------------------*//*! 38 * \brief Texture format 39 *//*--------------------------------------------------------------------*/ 40class TextureFormat 41{ 42public: 43 enum ChannelOrder 44 { 45 R = 0, 46 A, 47 I, 48 L, 49 LA, 50 RG, 51 RA, 52 RGB, 53 RGBA, 54 ARGB, 55 BGR, 56 BGRA, 57 58 sR, 59 sRG, 60 sRGB, 61 sRGBA, 62 sBGR, 63 sBGRA, 64 65 D, 66 S, 67 DS, 68 69 CHANNELORDER_LAST 70 }; 71 72 enum ChannelType 73 { 74 SNORM_INT8 = 0, 75 SNORM_INT16, 76 SNORM_INT32, 77 UNORM_INT8, 78 UNORM_INT16, 79 UNORM_INT24, 80 UNORM_INT32, 81 UNORM_BYTE_44, 82 UNORM_SHORT_565, 83 UNORM_SHORT_555, 84 UNORM_SHORT_4444, 85 UNORM_SHORT_5551, 86 UNORM_SHORT_1555, 87 UNORM_INT_101010, 88 SNORM_INT_1010102_REV, 89 UNORM_INT_1010102_REV, 90 UNSIGNED_BYTE_44, 91 UNSIGNED_SHORT_565, 92 UNSIGNED_SHORT_4444, 93 UNSIGNED_SHORT_5551, 94 SIGNED_INT_1010102_REV, 95 UNSIGNED_INT_1010102_REV, 96 UNSIGNED_INT_11F_11F_10F_REV, 97 UNSIGNED_INT_999_E5_REV, 98 UNSIGNED_INT_16_8_8, 99 UNSIGNED_INT_24_8, 100 UNSIGNED_INT_24_8_REV, 101 SIGNED_INT8, 102 SIGNED_INT16, 103 SIGNED_INT32, 104 UNSIGNED_INT8, 105 UNSIGNED_INT16, 106 UNSIGNED_INT24, 107 UNSIGNED_INT32, 108 HALF_FLOAT, 109 FLOAT, 110 FLOAT64, 111 FLOAT_UNSIGNED_INT_24_8_REV, 112 113 CHANNELTYPE_LAST 114 }; 115 116 ChannelOrder order; 117 ChannelType type; 118 119 TextureFormat (ChannelOrder order_, ChannelType type_) 120 : order (order_) 121 , type (type_) 122 { 123 } 124 125 TextureFormat (void) 126 : order (CHANNELORDER_LAST) 127 , type (CHANNELTYPE_LAST) 128 { 129 } 130 131 int getPixelSize (void) const; //!< Deprecated, use tcu::getPixelSize(fmt) 132 133 bool operator== (const TextureFormat& other) const { return !(*this != other); } 134 bool operator!= (const TextureFormat& other) const 135 { 136 return (order != other.order || type != other.type); 137 } 138} DE_WARN_UNUSED_TYPE; 139 140bool isValid (TextureFormat format); 141int getPixelSize (TextureFormat format); 142int getNumUsedChannels (TextureFormat::ChannelOrder order); 143int getChannelSize (TextureFormat::ChannelType type); 144 145/*--------------------------------------------------------------------*//*! 146 * \brief Texture swizzle 147 *//*--------------------------------------------------------------------*/ 148struct TextureSwizzle 149{ 150 enum Channel 151 { 152 // \note CHANNEL_N must equal int N 153 CHANNEL_0 = 0, 154 CHANNEL_1, 155 CHANNEL_2, 156 CHANNEL_3, 157 158 CHANNEL_ZERO, 159 CHANNEL_ONE, 160 161 CHANNEL_LAST 162 }; 163 164 Channel components[4]; 165}; 166 167//! get the swizzle used to expand texture data with a given channel order to RGBA form 168const TextureSwizzle& getChannelReadSwizzle (TextureFormat::ChannelOrder order); 169 170//! get the swizzle used to narrow RGBA form data to native texture data with a given channel order 171const TextureSwizzle& getChannelWriteSwizzle (TextureFormat::ChannelOrder order); 172 173/*--------------------------------------------------------------------*//*! 174 * \brief Sampling parameters 175 *//*--------------------------------------------------------------------*/ 176class Sampler 177{ 178public: 179 enum WrapMode 180 { 181 CLAMP_TO_EDGE = 0, //! Clamp to edge 182 CLAMP_TO_BORDER, //! Use border color at edge 183 REPEAT_GL, //! Repeat with OpenGL semantics 184 REPEAT_CL, //! Repeat with OpenCL semantics 185 MIRRORED_REPEAT_GL, //! Mirrored repeat with OpenGL semantics 186 MIRRORED_REPEAT_CL, //! Mirrored repeat with OpenCL semantics 187 MIRRORED_ONCE, //! Mirrored once in negative directions 188 189 WRAPMODE_LAST 190 }; 191 192 enum FilterMode 193 { 194 NEAREST = 0, 195 LINEAR, 196 197 NEAREST_MIPMAP_NEAREST, 198 NEAREST_MIPMAP_LINEAR, 199 LINEAR_MIPMAP_NEAREST, 200 LINEAR_MIPMAP_LINEAR, 201 202 FILTERMODE_LAST 203 }; 204 205 enum CompareMode 206 { 207 COMPAREMODE_NONE = 0, 208 COMPAREMODE_LESS, 209 COMPAREMODE_LESS_OR_EQUAL, 210 COMPAREMODE_GREATER, 211 COMPAREMODE_GREATER_OR_EQUAL, 212 COMPAREMODE_EQUAL, 213 COMPAREMODE_NOT_EQUAL, 214 COMPAREMODE_ALWAYS, 215 COMPAREMODE_NEVER, 216 217 COMPAREMODE_LAST 218 }; 219 220 enum DepthStencilMode 221 { 222 MODE_DEPTH = 0, 223 MODE_STENCIL, 224 225 MODE_LAST 226 }; 227 228 // Wrap control 229 WrapMode wrapS; 230 WrapMode wrapT; 231 WrapMode wrapR; 232 233 // Minifcation & magnification 234 FilterMode minFilter; 235 FilterMode magFilter; 236 float lodThreshold; // lod <= lodThreshold ? magnified : minified 237 238 // Coordinate normalization 239 bool normalizedCoords; 240 241 // Shadow comparison 242 CompareMode compare; 243 int compareChannel; 244 245 // Border color. 246 // \note It is setter's responsibility to guarantee that the values are representable 247 // in sampled texture's internal format. 248 // \note It is setter's responsibility to guarantee that the format is compatible with the 249 // sampled texture's internal format. Otherwise results are undefined. 250 rr::GenericVec4 borderColor; 251 252 // Seamless cube map filtering 253 bool seamlessCubeMap; 254 255 // Depth stencil mode 256 DepthStencilMode depthStencilMode; 257 258 Sampler (WrapMode wrapS_, 259 WrapMode wrapT_, 260 WrapMode wrapR_, 261 FilterMode minFilter_, 262 FilterMode magFilter_, 263 float lodThreshold_ = 0.0f, 264 bool normalizedCoords_ = true, 265 CompareMode compare_ = COMPAREMODE_NONE, 266 int compareChannel_ = 0, 267 const Vec4& borderColor_ = Vec4(0.0f, 0.0f, 0.0f, 0.0f), 268 bool seamlessCubeMap_ = false, 269 DepthStencilMode depthStencilMode_ = MODE_DEPTH) 270 : wrapS (wrapS_) 271 , wrapT (wrapT_) 272 , wrapR (wrapR_) 273 , minFilter (minFilter_) 274 , magFilter (magFilter_) 275 , lodThreshold (lodThreshold_) 276 , normalizedCoords (normalizedCoords_) 277 , compare (compare_) 278 , compareChannel (compareChannel_) 279 , borderColor (borderColor_) 280 , seamlessCubeMap (seamlessCubeMap_) 281 , depthStencilMode (depthStencilMode_) 282 { 283 } 284 285 Sampler (void) 286 : wrapS (WRAPMODE_LAST) 287 , wrapT (WRAPMODE_LAST) 288 , wrapR (WRAPMODE_LAST) 289 , minFilter (FILTERMODE_LAST) 290 , magFilter (FILTERMODE_LAST) 291 , lodThreshold (0.0f) 292 , normalizedCoords (true) 293 , compare (COMPAREMODE_NONE) 294 , compareChannel (0) 295 , borderColor (Vec4(0.0f, 0.0f, 0.0f, 0.0f)) 296 , seamlessCubeMap (false) 297 , depthStencilMode (MODE_DEPTH) 298 { 299 } 300} DE_WARN_UNUSED_TYPE; 301 302// Calculate pitches for pixel data with no padding. 303IVec3 calculatePackedPitch (const TextureFormat& format, const IVec3& size); 304 305class TextureLevel; 306 307/*--------------------------------------------------------------------*//*! 308 * \brief Read-only pixel data access 309 * 310 * ConstPixelBufferAccess encapsulates pixel data pointer along with 311 * format and layout information. It can be used for read-only access 312 * to arbitrary pixel buffers. 313 * 314 * Access objects are like iterators or pointers. They can be passed around 315 * as values and are valid as long as the storage doesn't change. 316 *//*--------------------------------------------------------------------*/ 317class ConstPixelBufferAccess 318{ 319public: 320 ConstPixelBufferAccess (void); 321 ConstPixelBufferAccess (const TextureLevel& level); 322 ConstPixelBufferAccess (const TextureFormat& format, int width, int height, int depth, const void* data); 323 ConstPixelBufferAccess (const TextureFormat& format, const IVec3& size, const void* data); 324 ConstPixelBufferAccess (const TextureFormat& format, int width, int height, int depth, int rowPitch, int slicePitch, const void* data); 325 ConstPixelBufferAccess (const TextureFormat& format, const IVec3& size, const IVec3& pitch, const void* data); 326 327 const TextureFormat& getFormat (void) const { return m_format; } 328 const IVec3& getSize (void) const { return m_size; } 329 int getWidth (void) const { return m_size.x(); } 330 int getHeight (void) const { return m_size.y(); } 331 int getDepth (void) const { return m_size.z(); } 332 int getPixelPitch (void) const { return m_pitch.x(); } 333 int getRowPitch (void) const { return m_pitch.y(); } 334 int getSlicePitch (void) const { return m_pitch.z(); } 335 const IVec3& getPitch (void) const { return m_pitch; } 336 337 const void* getDataPtr (void) const { return m_data; } 338 const void* getPixelPtr (int x, int y, int z = 0) const { return (const deUint8*)m_data + x * m_pitch.x() + y * m_pitch.y() + z * m_pitch.z(); } 339 340 Vec4 getPixel (int x, int y, int z = 0) const; 341 IVec4 getPixelInt (int x, int y, int z = 0) const; 342 UVec4 getPixelUint (int x, int y, int z = 0) const { return getPixelInt(x, y, z).cast<deUint32>(); } 343 344 template<typename T> 345 Vector<T, 4> getPixelT (int x, int y, int z = 0) const; 346 347 float getPixDepth (int x, int y, int z = 0) const; 348 int getPixStencil (int x, int y, int z = 0) const; 349 350 Vec4 sample1D (const Sampler& sampler, Sampler::FilterMode filter, float s, int level) const; 351 Vec4 sample2D (const Sampler& sampler, Sampler::FilterMode filter, float s, float t, int depth) const; 352 Vec4 sample3D (const Sampler& sampler, Sampler::FilterMode filter, float s, float t, float r) const; 353 354 Vec4 sample1DOffset (const Sampler& sampler, Sampler::FilterMode filter, float s, const IVec2& offset) const; 355 Vec4 sample2DOffset (const Sampler& sampler, Sampler::FilterMode filter, float s, float t, const IVec3& offset) const; 356 Vec4 sample3DOffset (const Sampler& sampler, Sampler::FilterMode filter, float s, float t, float r, const IVec3& offset) const; 357 358 float sample1DCompare (const Sampler& sampler, Sampler::FilterMode filter, float ref, float s, const IVec2& offset) const; 359 float sample2DCompare (const Sampler& sampler, Sampler::FilterMode filter, float ref, float s, float t, const IVec3& offset) const; 360 361protected: 362 TextureFormat m_format; 363 IVec3 m_size; 364 IVec3 m_pitch; //!< (pixelPitch, rowPitch, slicePitch) 365 mutable void* m_data; 366} DE_WARN_UNUSED_TYPE; 367 368/*--------------------------------------------------------------------*//*! 369 * \brief Read-write pixel data access 370 * 371 * This class extends read-only access object by providing write functionality. 372 * 373 * \note PixelBufferAccess may not have any data members nor add any 374 * virtual functions. It must be possible to reinterpret_cast<> 375 * PixelBufferAccess to ConstPixelBufferAccess. 376 *//*--------------------------------------------------------------------*/ 377class PixelBufferAccess : public ConstPixelBufferAccess 378{ 379public: 380 PixelBufferAccess (void) {} 381 PixelBufferAccess (TextureLevel& level); 382 PixelBufferAccess (const TextureFormat& format, int width, int height, int depth, void* data); 383 PixelBufferAccess (const TextureFormat& format, const IVec3& size, void* data); 384 PixelBufferAccess (const TextureFormat& format, int width, int height, int depth, int rowPitch, int slicePitch, void* data); 385 PixelBufferAccess (const TextureFormat& format, const IVec3& size, const IVec3& pitch, void* data); 386 387 void* getDataPtr (void) const { return m_data; } 388 void* getPixelPtr (int x, int y, int z = 0) const { return (deUint8*)m_data + x * m_pitch.x() + y * m_pitch.y() + z * m_pitch.z(); } 389 390 void setPixel (const tcu::Vec4& color, int x, int y, int z = 0) const; 391 void setPixel (const tcu::IVec4& color, int x, int y, int z = 0) const; 392 void setPixel (const tcu::UVec4& color, int x, int y, int z = 0) const { setPixel(color.cast<int>(), x, y, z); } 393 394 void setPixDepth (float depth, int x, int y, int z = 0) const; 395 void setPixStencil (int stencil, int x, int y, int z = 0) const; 396} DE_WARN_UNUSED_TYPE; 397 398/*--------------------------------------------------------------------*//*! 399 * \brief Generic pixel data container 400 * 401 * This container supports all valid TextureFormat combinations and 402 * both 2D and 3D textures. To read or manipulate data access object must 403 * be queried using getAccess(). 404 *//*--------------------------------------------------------------------*/ 405class TextureLevel 406{ 407public: 408 TextureLevel (void); 409 TextureLevel (const TextureFormat& format); 410 TextureLevel (const TextureFormat& format, int width, int height, int depth = 1); 411 ~TextureLevel (void); 412 413 const IVec3& getSize (void) const { return m_size; } 414 int getWidth (void) const { return m_size.x(); } 415 int getHeight (void) const { return m_size.y(); } 416 int getDepth (void) const { return m_size.z(); } 417 bool isEmpty (void) const { return m_size.x() * m_size.y() * m_size.z() == 0; } 418 const TextureFormat getFormat (void) const { return m_format; } 419 420 void setStorage (const TextureFormat& format, int width, int heigth, int depth = 1); 421 void setSize (int width, int height, int depth = 1); 422 423 PixelBufferAccess getAccess (void) { return isEmpty() ? PixelBufferAccess() : PixelBufferAccess(m_format, m_size, calculatePackedPitch(m_format, m_size), getPtr()); } 424 ConstPixelBufferAccess getAccess (void) const { return isEmpty() ? ConstPixelBufferAccess() : ConstPixelBufferAccess(m_format, m_size, calculatePackedPitch(m_format, m_size), getPtr()); } 425 426private: 427 void* getPtr (void) { return m_data.getPtr(); } 428 const void* getPtr (void) const { return m_data.getPtr(); } 429 430 TextureFormat m_format; 431 IVec3 m_size; 432 de::ArrayBuffer<deUint8> m_data; 433 434 friend class ConstPixelBufferAccess; 435} DE_WARN_UNUSED_TYPE; 436 437Vec4 sampleLevelArray1D (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float s, int level, float lod); 438Vec4 sampleLevelArray2D (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float s, float t, int depth, float lod); 439Vec4 sampleLevelArray3D (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float s, float t, float r, float lod); 440 441Vec4 sampleLevelArray1DOffset (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float s, float lod, const IVec2& offset); 442Vec4 sampleLevelArray2DOffset (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float s, float t, float lod, const IVec3& offset); 443Vec4 sampleLevelArray3DOffset (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float s, float t, float r, float lod, const IVec3& offset); 444 445float sampleLevelArray1DCompare (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float ref, float s, float lod, const IVec2& offset); 446float sampleLevelArray2DCompare (const ConstPixelBufferAccess* levels, int numLevels, const Sampler& sampler, float ref, float s, float t, float lod, const IVec3& offset); 447 448Vec4 gatherArray2DOffsets (const ConstPixelBufferAccess& src, const Sampler& sampler, float s, float t, int depth, int componentNdx, const IVec2 (&offsets)[4]); 449Vec4 gatherArray2DOffsetsCompare (const ConstPixelBufferAccess& src, const Sampler& sampler, float ref, float s, float t, int depth, const IVec2 (&offsets)[4]); 450 451enum CubeFace 452{ 453 CUBEFACE_NEGATIVE_X = 0, 454 CUBEFACE_POSITIVE_X, 455 CUBEFACE_NEGATIVE_Y, 456 CUBEFACE_POSITIVE_Y, 457 CUBEFACE_NEGATIVE_Z, 458 CUBEFACE_POSITIVE_Z, 459 460 CUBEFACE_LAST 461}; 462 463/*--------------------------------------------------------------------*//*! 464 * \brief Coordinates projected onto cube face. 465 *//*--------------------------------------------------------------------*/ 466template<typename T> 467struct CubeFaceCoords 468{ 469 CubeFace face; 470 T s; 471 T t; 472 473 CubeFaceCoords (CubeFace face_, T s_, T t_) : face(face_), s(s_), t(t_) {} 474 CubeFaceCoords (CubeFace face_, const Vector<T, 2>& c) : face(face_), s(c.x()), t(c.y()) {} 475} DE_WARN_UNUSED_TYPE; 476 477typedef CubeFaceCoords<float> CubeFaceFloatCoords; 478typedef CubeFaceCoords<int> CubeFaceIntCoords; 479 480CubeFace selectCubeFace (const Vec3& coords); 481Vec2 projectToFace (CubeFace face, const Vec3& coords); 482CubeFaceFloatCoords getCubeFaceCoords (const Vec3& coords); 483CubeFaceIntCoords remapCubeEdgeCoords (const CubeFaceIntCoords& coords, int size); 484 485/*--------------------------------------------------------------------*//*! 486 * \brief 1D Texture View 487 *//*--------------------------------------------------------------------*/ 488class Texture1DView 489{ 490public: 491 Texture1DView (int numLevels, const ConstPixelBufferAccess* levels); 492 493 int getNumLevels (void) const { return m_numLevels; } 494 int getWidth (void) const { return m_numLevels > 0 ? m_levels[0].getWidth() : 0; } 495 const ConstPixelBufferAccess& getLevel (int ndx) const { DE_ASSERT(de::inBounds(ndx, 0, m_numLevels)); return m_levels[ndx]; } 496 const ConstPixelBufferAccess* getLevels (void) const { return m_levels; } 497 498 Vec4 sample (const Sampler& sampler, float s, float lod) const; 499 Vec4 sampleOffset (const Sampler& sampler, float s, float lod, deInt32 offset) const; 500 float sampleCompare (const Sampler& sampler, float ref, float s, float lod) const; 501 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float lod, deInt32 offset) const; 502 503protected: 504 int m_numLevels; 505 const ConstPixelBufferAccess* m_levels; 506} DE_WARN_UNUSED_TYPE; 507 508inline Texture1DView::Texture1DView (int numLevels, const ConstPixelBufferAccess* levels) 509 : m_numLevels (numLevels) 510 , m_levels (levels) 511{ 512 DE_ASSERT(m_numLevels >= 0 && ((m_numLevels == 0) == !m_levels)); 513} 514 515inline Vec4 Texture1DView::sample (const Sampler& sampler, float s, float lod) const 516{ 517 return sampleLevelArray1D(m_levels, m_numLevels, sampler, s, 0 /* depth */, lod); 518} 519 520inline Vec4 Texture1DView::sampleOffset (const Sampler& sampler, float s, float lod, deInt32 offset) const 521{ 522 return sampleLevelArray1DOffset(m_levels, m_numLevels, sampler, s, lod, IVec2(offset, 0)); 523} 524 525inline float Texture1DView::sampleCompare (const Sampler& sampler, float ref, float s, float lod) const 526{ 527 return sampleLevelArray1DCompare(m_levels, m_numLevels, sampler, ref, s, lod, IVec2(0, 0)); 528} 529 530inline float Texture1DView::sampleCompareOffset (const Sampler& sampler, float ref, float s, float lod, deInt32 offset) const 531{ 532 return sampleLevelArray1DCompare(m_levels, m_numLevels, sampler, ref, s, lod, IVec2(offset, 0)); 533} 534 535/*--------------------------------------------------------------------*//*! 536 * \brief 2D Texture View 537 *//*--------------------------------------------------------------------*/ 538class Texture2DView 539{ 540public: 541 Texture2DView (int numLevels, const ConstPixelBufferAccess* levels); 542 543 int getNumLevels (void) const { return m_numLevels; } 544 int getWidth (void) const { return m_numLevels > 0 ? m_levels[0].getWidth() : 0; } 545 int getHeight (void) const { return m_numLevels > 0 ? m_levels[0].getHeight() : 0; } 546 const ConstPixelBufferAccess& getLevel (int ndx) const { DE_ASSERT(de::inBounds(ndx, 0, m_numLevels)); return m_levels[ndx]; } 547 const ConstPixelBufferAccess* getLevels (void) const { return m_levels; } 548 549 Vec4 sample (const Sampler& sampler, float s, float t, float lod) const; 550 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float lod, const IVec2& offset) const; 551 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float lod) const; 552 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float lod, const IVec2& offset) const; 553 554 Vec4 gatherOffsets (const Sampler& sampler, float s, float t, int componentNdx, const IVec2 (&offsets)[4]) const; 555 Vec4 gatherOffsetsCompare(const Sampler& sampler, float ref, float s, float t, const IVec2 (&offsets)[4]) const; 556 557protected: 558 int m_numLevels; 559 const ConstPixelBufferAccess* m_levels; 560} DE_WARN_UNUSED_TYPE; 561 562inline Texture2DView::Texture2DView (int numLevels, const ConstPixelBufferAccess* levels) 563 : m_numLevels (numLevels) 564 , m_levels (levels) 565{ 566 DE_ASSERT(m_numLevels >= 0 && ((m_numLevels == 0) == !m_levels)); 567} 568 569inline Vec4 Texture2DView::sample (const Sampler& sampler, float s, float t, float lod) const 570{ 571 return sampleLevelArray2D(m_levels, m_numLevels, sampler, s, t, 0 /* depth */, lod); 572} 573 574inline Vec4 Texture2DView::sampleOffset (const Sampler& sampler, float s, float t, float lod, const IVec2& offset) const 575{ 576 return sampleLevelArray2DOffset(m_levels, m_numLevels, sampler, s, t, lod, IVec3(offset.x(), offset.y(), 0)); 577} 578 579inline float Texture2DView::sampleCompare (const Sampler& sampler, float ref, float s, float t, float lod) const 580{ 581 return sampleLevelArray2DCompare(m_levels, m_numLevels, sampler, ref, s, t, lod, IVec3(0, 0, 0)); 582} 583 584inline float Texture2DView::sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float lod, const IVec2& offset) const 585{ 586 return sampleLevelArray2DCompare(m_levels, m_numLevels, sampler, ref, s, t, lod, IVec3(offset.x(), offset.y(), 0)); 587} 588 589inline Vec4 Texture2DView::gatherOffsets (const Sampler& sampler, float s, float t, int componentNdx, const IVec2 (&offsets)[4]) const 590{ 591 return gatherArray2DOffsets(m_levels[0], sampler, s, t, 0, componentNdx, offsets); 592} 593 594inline Vec4 Texture2DView::gatherOffsetsCompare (const Sampler& sampler, float ref, float s, float t, const IVec2 (&offsets)[4]) const 595{ 596 return gatherArray2DOffsetsCompare(m_levels[0], sampler, ref, s, t, 0, offsets); 597} 598 599/*--------------------------------------------------------------------*//*! 600 * \brief Base class for textures that have single mip-map pyramid 601 *//*--------------------------------------------------------------------*/ 602class TextureLevelPyramid 603{ 604public: 605 TextureLevelPyramid (const TextureFormat& format, int numLevels); 606 TextureLevelPyramid (const TextureLevelPyramid& other); 607 ~TextureLevelPyramid(void); 608 609 const TextureFormat& getFormat (void) const { return m_format; } 610 int getNumLevels (void) const { return (int)m_access.size(); } 611 612 bool isLevelEmpty (int levelNdx) const { DE_ASSERT(de::inBounds(levelNdx, 0, getNumLevels())); return m_data[(size_t)levelNdx].empty(); } 613 const ConstPixelBufferAccess& getLevel (int levelNdx) const { DE_ASSERT(de::inBounds(levelNdx, 0, getNumLevels())); return m_access[(size_t)levelNdx]; } 614 const PixelBufferAccess& getLevel (int levelNdx) { DE_ASSERT(de::inBounds(levelNdx, 0, getNumLevels())); return m_access[(size_t)levelNdx]; } 615 616 const ConstPixelBufferAccess* getLevels (void) const { return &m_access[0]; } 617 const PixelBufferAccess* getLevels (void) { return &m_access[0]; } 618 619 void allocLevel (int levelNdx, int width, int height, int depth); 620 void clearLevel (int levelNdx); 621 622 TextureLevelPyramid& operator= (const TextureLevelPyramid& other); 623 624private: 625 typedef de::ArrayBuffer<deUint8> LevelData; 626 627 TextureFormat m_format; 628 std::vector<LevelData> m_data; 629 std::vector<PixelBufferAccess> m_access; 630} DE_WARN_UNUSED_TYPE; 631 632/*--------------------------------------------------------------------*//*! 633 * \brief 1D Texture reference implementation 634 *//*--------------------------------------------------------------------*/ 635class Texture1D : private TextureLevelPyramid 636{ 637public: 638 Texture1D (const TextureFormat& format, int width); 639 Texture1D (const Texture1D& other); 640 ~Texture1D (void); 641 642 int getWidth (void) const { return m_width; } 643 const Texture1DView& getView (void) const { return m_view; } 644 645 void allocLevel (int levelNdx); 646 647 // Sampling 648 Vec4 sample (const Sampler& sampler, float s, float lod) const; 649 Vec4 sampleOffset (const Sampler& sampler, float s, float lod, deInt32 offset) const; 650 651 using TextureLevelPyramid::getFormat; 652 using TextureLevelPyramid::getNumLevels; 653 using TextureLevelPyramid::getLevel; 654 using TextureLevelPyramid::clearLevel; 655 using TextureLevelPyramid::isLevelEmpty; 656 657 Texture1D& operator= (const Texture1D& other); 658 659 operator Texture1DView (void) const { return m_view; } 660 661private: 662 int m_width; 663 Texture1DView m_view; 664} DE_WARN_UNUSED_TYPE; 665 666inline Vec4 Texture1D::sample (const Sampler& sampler, float s, float lod) const 667{ 668 return m_view.sample(sampler, s, lod); 669} 670 671inline Vec4 Texture1D::sampleOffset (const Sampler& sampler, float s, float lod, deInt32 offset) const 672{ 673 return m_view.sampleOffset(sampler, s, lod, offset); 674} 675 676/*--------------------------------------------------------------------*//*! 677 * \brief 2D Texture reference implementation 678 *//*--------------------------------------------------------------------*/ 679class Texture2D : private TextureLevelPyramid 680{ 681public: 682 Texture2D (const TextureFormat& format, int width, int height); 683 Texture2D (const Texture2D& other); 684 ~Texture2D (void); 685 686 int getWidth (void) const { return m_width; } 687 int getHeight (void) const { return m_height; } 688 const Texture2DView& getView (void) const { return m_view; } 689 690 void allocLevel (int levelNdx); 691 692 // Sampling 693 Vec4 sample (const Sampler& sampler, float s, float t, float lod) const; 694 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float lod, const IVec2& offset) const; 695 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float lod) const; 696 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float lod, const IVec2& offset) const; 697 698 Vec4 gatherOffsets (const Sampler& sampler, float s, float t, int componentNdx, const IVec2 (&offsets)[4]) const; 699 Vec4 gatherOffsetsCompare(const Sampler& sampler, float ref, float s, float t, const IVec2 (&offsets)[4]) const; 700 701 using TextureLevelPyramid::getFormat; 702 using TextureLevelPyramid::getNumLevels; 703 using TextureLevelPyramid::getLevel; 704 using TextureLevelPyramid::clearLevel; 705 using TextureLevelPyramid::isLevelEmpty; 706 707 Texture2D& operator= (const Texture2D& other); 708 709 operator Texture2DView (void) const { return m_view; } 710 711private: 712 int m_width; 713 int m_height; 714 Texture2DView m_view; 715} DE_WARN_UNUSED_TYPE; 716 717inline Vec4 Texture2D::sample (const Sampler& sampler, float s, float t, float lod) const 718{ 719 return m_view.sample(sampler, s, t, lod); 720} 721 722inline Vec4 Texture2D::sampleOffset (const Sampler& sampler, float s, float t, float lod, const IVec2& offset) const 723{ 724 return m_view.sampleOffset(sampler, s, t, lod, offset); 725} 726 727inline float Texture2D::sampleCompare (const Sampler& sampler, float ref, float s, float t, float lod) const 728{ 729 return m_view.sampleCompare(sampler, ref, s, t, lod); 730} 731 732inline float Texture2D::sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float lod, const IVec2& offset) const 733{ 734 return m_view.sampleCompareOffset(sampler, ref, s, t, lod, offset); 735} 736 737inline Vec4 Texture2D::gatherOffsets (const Sampler& sampler, float s, float t, int componentNdx, const IVec2 (&offsets)[4]) const 738{ 739 return m_view.gatherOffsets(sampler, s, t, componentNdx, offsets); 740} 741 742inline Vec4 Texture2D::gatherOffsetsCompare (const Sampler& sampler, float ref, float s, float t, const IVec2 (&offsets)[4]) const 743{ 744 return m_view.gatherOffsetsCompare(sampler, ref, s, t, offsets); 745} 746 747/*--------------------------------------------------------------------*//*! 748 * \brief Cube Map Texture View 749 *//*--------------------------------------------------------------------*/ 750class TextureCubeView 751{ 752public: 753 TextureCubeView (void); 754 TextureCubeView (int numLevels, const ConstPixelBufferAccess* const (&levels)[CUBEFACE_LAST]); 755 756 int getNumLevels (void) const { return m_numLevels; } 757 int getSize (void) const { return m_numLevels > 0 ? m_levels[0][0].getWidth() : 0; } 758 const ConstPixelBufferAccess& getLevelFace (int ndx, CubeFace face) const { DE_ASSERT(de::inBounds(ndx, 0, m_numLevels)); return m_levels[face][ndx]; } 759 const ConstPixelBufferAccess* getFaceLevels (CubeFace face) const { return m_levels[face]; } 760 761 Vec4 sample (const Sampler& sampler, float s, float t, float p, float lod) const; 762 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float lod) const; 763 764 Vec4 gather (const Sampler& sampler, float s, float t, float r, int componentNdx) const; 765 Vec4 gatherCompare (const Sampler& sampler, float ref, float s, float t, float r) const; 766 767protected: 768 int m_numLevels; 769 const ConstPixelBufferAccess* m_levels[CUBEFACE_LAST]; 770} DE_WARN_UNUSED_TYPE; 771 772/*--------------------------------------------------------------------*//*! 773 * \brief Cube Map Texture reference implementation 774 *//*--------------------------------------------------------------------*/ 775class TextureCube 776{ 777public: 778 TextureCube (const TextureFormat& format, int size); 779 TextureCube (const TextureCube& other); 780 ~TextureCube (void); 781 782 const TextureFormat& getFormat (void) const { return m_format; } 783 int getSize (void) const { return m_size; } 784 785 int getNumLevels (void) const { return (int)m_access[0].size(); } 786 const ConstPixelBufferAccess& getLevelFace (int ndx, CubeFace face) const { DE_ASSERT(de::inBounds(ndx, 0, getNumLevels())); return m_access[face][(size_t)ndx]; } 787 const PixelBufferAccess& getLevelFace (int ndx, CubeFace face) { DE_ASSERT(de::inBounds(ndx, 0, getNumLevels())); return m_access[face][(size_t)ndx]; } 788 789 void allocLevel (CubeFace face, int levelNdx); 790 void clearLevel (CubeFace face, int levelNdx); 791 bool isLevelEmpty (CubeFace face, int levelNdx) const { DE_ASSERT(de::inBounds(levelNdx, 0, getNumLevels())); return m_data[face][(size_t)levelNdx].empty(); } 792 793 Vec4 sample (const Sampler& sampler, float s, float t, float p, float lod) const; 794 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float lod) const; 795 796 Vec4 gather (const Sampler& sampler, float s, float t, float r, int componentNdx) const; 797 Vec4 gatherCompare (const Sampler& sampler, float ref, float s, float t, float r) const; 798 799 TextureCube& operator= (const TextureCube& other); 800 801 operator TextureCubeView (void) const { return m_view; } 802 803private: 804 typedef de::ArrayBuffer<deUint8> LevelData; 805 806 TextureFormat m_format; 807 int m_size; 808 std::vector<LevelData> m_data[CUBEFACE_LAST]; 809 std::vector<PixelBufferAccess> m_access[CUBEFACE_LAST]; 810 TextureCubeView m_view; 811} DE_WARN_UNUSED_TYPE; 812 813inline Vec4 TextureCube::sample (const Sampler& sampler, float s, float t, float p, float lod) const 814{ 815 return m_view.sample(sampler, s, t, p, lod); 816} 817 818inline float TextureCube::sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float lod) const 819{ 820 return m_view.sampleCompare(sampler, ref, s, t, r, lod); 821} 822 823inline Vec4 TextureCube::gather (const Sampler& sampler, float s, float t, float r, int componentNdx) const 824{ 825 return m_view.gather(sampler, s, t, r, componentNdx); 826} 827 828inline Vec4 TextureCube::gatherCompare (const Sampler& sampler, float ref, float s, float t, float r) const 829{ 830 return m_view.gatherCompare(sampler, ref, s, t, r); 831} 832 833/*--------------------------------------------------------------------*//*! 834 * \brief 1D Array Texture View 835 *//*--------------------------------------------------------------------*/ 836class Texture1DArrayView 837{ 838public: 839 Texture1DArrayView (int numLevels, const ConstPixelBufferAccess* levels); 840 841 int getWidth (void) const { return m_numLevels > 0 ? m_levels[0].getWidth() : 0; } 842 int getNumLayers (void) const { return m_numLevels > 0 ? m_levels[0].getHeight() : 0; } 843 int getNumLevels (void) const { return m_numLevels; } 844 const ConstPixelBufferAccess& getLevel (int ndx) const { DE_ASSERT(de::inBounds(ndx, 0, m_numLevels)); return m_levels[ndx]; } 845 const ConstPixelBufferAccess* getLevels (void) const { return m_levels; } 846 847 Vec4 sample (const Sampler& sampler, float s, float t, float lod) const; 848 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float lod, deInt32 offset) const; 849 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float lod) const; 850 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float lod, deInt32 offset) const; 851 852protected: 853 int selectLayer (float r) const; 854 855 int m_numLevels; 856 const ConstPixelBufferAccess* m_levels; 857} DE_WARN_UNUSED_TYPE; 858 859/*--------------------------------------------------------------------*//*! 860 * \brief 2D Array Texture View 861 *//*--------------------------------------------------------------------*/ 862class Texture2DArrayView 863{ 864public: 865 Texture2DArrayView (int numLevels, const ConstPixelBufferAccess* levels); 866 867 int getWidth (void) const { return m_numLevels > 0 ? m_levels[0].getWidth() : 0; } 868 int getHeight (void) const { return m_numLevels > 0 ? m_levels[0].getHeight() : 0; } 869 int getNumLayers (void) const { return m_numLevels > 0 ? m_levels[0].getDepth() : 0; } 870 int getNumLevels (void) const { return m_numLevels; } 871 const ConstPixelBufferAccess& getLevel (int ndx) const { DE_ASSERT(de::inBounds(ndx, 0, m_numLevels)); return m_levels[ndx]; } 872 const ConstPixelBufferAccess* getLevels (void) const { return m_levels; } 873 874 Vec4 sample (const Sampler& sampler, float s, float t, float r, float lod) const; 875 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float r, float lod, const IVec2& offset) const; 876 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float lod) const; 877 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float r, float lod, const IVec2& offset) const; 878 879 Vec4 gatherOffsets (const Sampler& sampler, float s, float t, float r, int componentNdx, const IVec2 (&offsets)[4]) const; 880 Vec4 gatherOffsetsCompare(const Sampler& sampler, float ref, float s, float t, float r, const IVec2 (&offsets)[4]) const; 881 882protected: 883 int selectLayer (float r) const; 884 885 int m_numLevels; 886 const ConstPixelBufferAccess* m_levels; 887} DE_WARN_UNUSED_TYPE; 888 889/*--------------------------------------------------------------------*//*! 890 * \brief 1D Array Texture reference implementation 891 *//*--------------------------------------------------------------------*/ 892class Texture1DArray : private TextureLevelPyramid 893{ 894public: 895 Texture1DArray (const TextureFormat& format, int width, int numLayers); 896 Texture1DArray (const Texture1DArray& other); 897 ~Texture1DArray (void); 898 899 int getWidth (void) const { return m_width; } 900 int getNumLayers (void) const { return m_numLayers; } 901 902 void allocLevel (int levelNdx); 903 904 using TextureLevelPyramid::getFormat; 905 using TextureLevelPyramid::getNumLevels; 906 using TextureLevelPyramid::getLevel; 907 using TextureLevelPyramid::clearLevel; 908 using TextureLevelPyramid::isLevelEmpty; 909 910 Vec4 sample (const Sampler& sampler, float s, float t, float lod) const; 911 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float lod, deInt32 offset) const; 912 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float lod) const; 913 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float lod, deInt32 offset) const; 914 915 Texture1DArray& operator= (const Texture1DArray& other); 916 917 operator Texture1DArrayView (void) const { return m_view; } 918 919private: 920 int m_width; 921 int m_numLayers; 922 Texture1DArrayView m_view; 923} DE_WARN_UNUSED_TYPE; 924 925inline Vec4 Texture1DArray::sample (const Sampler& sampler, float s, float t, float lod) const 926{ 927 return m_view.sample(sampler, s, t, lod); 928} 929 930inline Vec4 Texture1DArray::sampleOffset (const Sampler& sampler, float s, float t, float lod, deInt32 offset) const 931{ 932 return m_view.sampleOffset(sampler, s, t, lod, offset); 933} 934 935inline float Texture1DArray::sampleCompare (const Sampler& sampler, float ref, float s, float t, float lod) const 936{ 937 return m_view.sampleCompare(sampler, ref, s, t, lod); 938} 939 940inline float Texture1DArray::sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float lod, deInt32 offset) const 941{ 942 return m_view.sampleCompareOffset(sampler, ref, s, t, lod, offset); 943} 944 945/*--------------------------------------------------------------------*//*! 946 * \brief 2D Array Texture reference implementation 947 *//*--------------------------------------------------------------------*/ 948class Texture2DArray : private TextureLevelPyramid 949{ 950public: 951 Texture2DArray (const TextureFormat& format, int width, int height, int numLayers); 952 Texture2DArray (const Texture2DArray& other); 953 ~Texture2DArray (void); 954 955 int getWidth (void) const { return m_width; } 956 int getHeight (void) const { return m_height; } 957 int getNumLayers (void) const { return m_numLayers; } 958 959 void allocLevel (int levelNdx); 960 961 using TextureLevelPyramid::getFormat; 962 using TextureLevelPyramid::getNumLevels; 963 using TextureLevelPyramid::getLevel; 964 using TextureLevelPyramid::clearLevel; 965 using TextureLevelPyramid::isLevelEmpty; 966 967 Vec4 sample (const Sampler& sampler, float s, float t, float r, float lod) const; 968 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float r, float lod, const IVec2& offset) const; 969 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float lod) const; 970 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float r, float lod, const IVec2& offset) const; 971 972 Vec4 gatherOffsets (const Sampler& sampler, float s, float t, float r, int componentNdx, const IVec2 (&offsets)[4]) const; 973 Vec4 gatherOffsetsCompare(const Sampler& sampler, float ref, float s, float t, float r, const IVec2 (&offsets)[4]) const; 974 975 Texture2DArray& operator= (const Texture2DArray& other); 976 977 operator Texture2DArrayView (void) const { return m_view; } 978 979private: 980 int m_width; 981 int m_height; 982 int m_numLayers; 983 Texture2DArrayView m_view; 984} DE_WARN_UNUSED_TYPE; 985 986inline Vec4 Texture2DArray::sample (const Sampler& sampler, float s, float t, float r, float lod) const 987{ 988 return m_view.sample(sampler, s, t, r, lod); 989} 990 991inline Vec4 Texture2DArray::sampleOffset (const Sampler& sampler, float s, float t, float r, float lod, const IVec2& offset) const 992{ 993 return m_view.sampleOffset(sampler, s, t, r, lod, offset); 994} 995 996inline float Texture2DArray::sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float lod) const 997{ 998 return m_view.sampleCompare(sampler, ref, s, t, r, lod); 999} 1000 1001inline float Texture2DArray::sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float r, float lod, const IVec2& offset) const 1002{ 1003 return m_view.sampleCompareOffset(sampler, ref, s, t, r, lod, offset); 1004} 1005 1006inline Vec4 Texture2DArray::gatherOffsets (const Sampler& sampler, float s, float t, float r, int componentNdx, const IVec2 (&offsets)[4]) const 1007{ 1008 return m_view.gatherOffsets(sampler, s, t, r, componentNdx, offsets); 1009} 1010 1011inline Vec4 Texture2DArray::gatherOffsetsCompare (const Sampler& sampler, float ref, float s, float t, float r, const IVec2 (&offsets)[4]) const 1012{ 1013 return m_view.gatherOffsetsCompare(sampler, ref, s, t, r, offsets); 1014} 1015 1016/*--------------------------------------------------------------------*//*! 1017 * \brief 3D Texture View 1018 *//*--------------------------------------------------------------------*/ 1019class Texture3DView 1020{ 1021public: 1022 Texture3DView (int numLevels, const ConstPixelBufferAccess* levels); 1023 1024 int getWidth (void) const { return m_numLevels > 0 ? m_levels[0].getWidth() : 0; } 1025 int getHeight (void) const { return m_numLevels > 0 ? m_levels[0].getHeight() : 0; } 1026 int getDepth (void) const { return m_numLevels > 0 ? m_levels[0].getDepth() : 0; } 1027 int getNumLevels (void) const { return m_numLevels; } 1028 const ConstPixelBufferAccess& getLevel (int ndx) const { DE_ASSERT(de::inBounds(ndx, 0, m_numLevels)); return m_levels[ndx]; } 1029 const ConstPixelBufferAccess* getLevels (void) const { return m_levels; } 1030 1031 Vec4 sample (const Sampler& sampler, float s, float t, float r, float lod) const; 1032 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float r, float lod, const IVec3& offset) const; 1033 1034protected: 1035 int m_numLevels; 1036 const ConstPixelBufferAccess* m_levels; 1037} DE_WARN_UNUSED_TYPE; 1038 1039inline Vec4 Texture3DView::sample (const Sampler& sampler, float s, float t, float r, float lod) const 1040{ 1041 return sampleLevelArray3D(m_levels, m_numLevels, sampler, s, t, r, lod); 1042} 1043 1044inline Vec4 Texture3DView::sampleOffset (const Sampler& sampler, float s, float t, float r, float lod, const IVec3& offset) const 1045{ 1046 return sampleLevelArray3DOffset(m_levels, m_numLevels, sampler, s, t, r, lod, offset); 1047} 1048 1049/*--------------------------------------------------------------------*//*! 1050 * \brief 3D Texture reference implementation 1051 *//*--------------------------------------------------------------------*/ 1052class Texture3D : private TextureLevelPyramid 1053{ 1054public: 1055 Texture3D (const TextureFormat& format, int width, int height, int depth); 1056 Texture3D (const Texture3D& other); 1057 ~Texture3D (void); 1058 1059 int getWidth (void) const { return m_width; } 1060 int getHeight (void) const { return m_height; } 1061 int getDepth (void) const { return m_depth; } 1062 1063 void allocLevel (int levelNdx); 1064 1065 using TextureLevelPyramid::getFormat; 1066 using TextureLevelPyramid::getNumLevels; 1067 using TextureLevelPyramid::getLevel; 1068 using TextureLevelPyramid::clearLevel; 1069 using TextureLevelPyramid::isLevelEmpty; 1070 1071 Vec4 sample (const Sampler& sampler, float s, float t, float r, float lod) const; 1072 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float r, float lod, const IVec3& offset) const; 1073 1074 Texture3D& operator= (const Texture3D& other); 1075 1076 operator Texture3DView (void) const { return m_view; } 1077 1078private: 1079 int m_width; 1080 int m_height; 1081 int m_depth; 1082 Texture3DView m_view; 1083} DE_WARN_UNUSED_TYPE; 1084 1085inline Vec4 Texture3D::sample (const Sampler& sampler, float s, float t, float r, float lod) const 1086{ 1087 return m_view.sample(sampler, s, t, r, lod); 1088} 1089 1090inline Vec4 Texture3D::sampleOffset (const Sampler& sampler, float s, float t, float r, float lod, const IVec3& offset) const 1091{ 1092 return m_view.sampleOffset(sampler, s, t, r, lod, offset); 1093} 1094 1095/*--------------------------------------------------------------------*//*! 1096 * \brief Cube Map Array Texture View 1097 *//*--------------------------------------------------------------------*/ 1098class TextureCubeArrayView 1099{ 1100public: 1101 TextureCubeArrayView (int numLevels, const ConstPixelBufferAccess* levels); 1102 1103 int getSize (void) const { return m_numLevels > 0 ? m_levels[0].getWidth() : 0; } 1104 int getDepth (void) const { return m_numLevels > 0 ? m_levels[0].getDepth() : 0; } 1105 int getNumLayers (void) const { return getDepth() / 6; } 1106 int getNumLevels (void) const { return m_numLevels; } 1107 const ConstPixelBufferAccess& getLevel (int ndx) const { DE_ASSERT(de::inBounds(ndx, 0, m_numLevels)); return m_levels[ndx]; } 1108 const ConstPixelBufferAccess* getLevels (void) const { return m_levels; } 1109 1110 Vec4 sample (const Sampler& sampler, float s, float t, float r, float q, float lod) const; 1111 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float r, float q, float lod, const IVec2& offset) const; 1112 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float q, float lod) const; 1113 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float r, float q, float lod, const IVec2& offset) const; 1114 1115protected: 1116 int selectLayer (float q) const; 1117 1118 int m_numLevels; 1119 const ConstPixelBufferAccess* m_levels; 1120} DE_WARN_UNUSED_TYPE; 1121 1122/*--------------------------------------------------------------------*//*! 1123 * \brief Cube Map Array Texture reference implementation 1124 *//*--------------------------------------------------------------------*/ 1125class TextureCubeArray : private TextureLevelPyramid 1126{ 1127public: 1128 TextureCubeArray (const TextureFormat& format, int size, int depth); 1129 TextureCubeArray (const TextureCubeArray& other); 1130 ~TextureCubeArray (void); 1131 1132 int getSize (void) const { return m_size; } 1133 int getDepth (void) const { return m_depth; } 1134 1135 void allocLevel (int levelNdx); 1136 1137 using TextureLevelPyramid::getFormat; 1138 using TextureLevelPyramid::getNumLevels; 1139 using TextureLevelPyramid::getLevel; 1140 using TextureLevelPyramid::clearLevel; 1141 using TextureLevelPyramid::isLevelEmpty; 1142 1143 Vec4 sample (const Sampler& sampler, float s, float t, float r, float q, float lod) const; 1144 Vec4 sampleOffset (const Sampler& sampler, float s, float t, float r, float q, float lod, const IVec2& offset) const; 1145 float sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float q, float lod) const; 1146 float sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float r, float q, float lod, const IVec2& offset) const; 1147 1148 TextureCubeArray& operator= (const TextureCubeArray& other); 1149 1150 operator TextureCubeArrayView (void) const { return m_view; } 1151 1152private: 1153 int m_size; 1154 int m_depth; 1155 TextureCubeArrayView m_view; 1156} DE_WARN_UNUSED_TYPE; 1157 1158inline Vec4 TextureCubeArray::sample (const Sampler& sampler, float s, float t, float r, float q, float lod) const 1159{ 1160 return m_view.sample(sampler, s, t, r, q, lod); 1161} 1162 1163inline Vec4 TextureCubeArray::sampleOffset (const Sampler& sampler, float s, float t, float r, float q, float lod, const IVec2& offset) const 1164{ 1165 return m_view.sampleOffset(sampler, s, t, r, q, lod, offset); 1166} 1167 1168inline float TextureCubeArray::sampleCompare (const Sampler& sampler, float ref, float s, float t, float r, float q, float lod) const 1169{ 1170 return m_view.sampleCompare(sampler, ref, s, t, r, q, lod); 1171} 1172 1173inline float TextureCubeArray::sampleCompareOffset (const Sampler& sampler, float ref, float s, float t, float r, float q, float lod, const IVec2& offset) const 1174{ 1175 return m_view.sampleCompareOffset(sampler, ref, s, t, r, q, lod, offset); 1176} 1177 1178// Stream operators. 1179std::ostream& operator<< (std::ostream& str, TextureFormat::ChannelOrder order); 1180std::ostream& operator<< (std::ostream& str, TextureFormat::ChannelType type); 1181std::ostream& operator<< (std::ostream& str, TextureFormat format); 1182std::ostream& operator<< (std::ostream& str, CubeFace face); 1183std::ostream& operator<< (std::ostream& str, const ConstPixelBufferAccess& access); 1184 1185} // tcu 1186 1187#endif // _TCUTEXTURE_HPP 1188