The Android Open Source Project | 2729ea9 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ANDROID_OPENGLES_CONTEXT_H |
| 18 | #define ANDROID_OPENGLES_CONTEXT_H |
| 19 | |
| 20 | #include <stdint.h> |
| 21 | #include <stddef.h> |
| 22 | #include <sys/types.h> |
| 23 | #include <pthread.h> |
| 24 | #ifdef HAVE_ANDROID_OS |
The Android Open Source Project | 54ffb8a | 2009-01-15 16:12:10 -0800 | [diff] [blame] | 25 | #include <bionic_tls.h> |
The Android Open Source Project | 2729ea9 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 26 | #endif |
| 27 | |
| 28 | #include <private/pixelflinger/ggl_context.h> |
| 29 | |
| 30 | #include <GLES/gl.h> |
The Android Open Source Project | 5e07b57 | 2009-02-10 15:44:00 -0800 | [diff] [blame] | 31 | #include <GLES/glext.h> |
The Android Open Source Project | 2729ea9 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 32 | |
| 33 | namespace android { |
| 34 | |
| 35 | const unsigned int OGLES_NUM_COMPRESSED_TEXTURE_FORMATS = 10; |
| 36 | |
| 37 | class EGLTextureObject; |
| 38 | class EGLSurfaceManager; |
| 39 | class EGLBufferObjectManager; |
| 40 | |
| 41 | namespace gl { |
| 42 | |
| 43 | struct ogles_context_t; |
| 44 | struct matrixx_t; |
| 45 | struct transform_t; |
| 46 | struct buffer_t; |
| 47 | |
| 48 | ogles_context_t* getGlContext(); |
| 49 | |
| 50 | template<typename T> |
| 51 | static inline void swap(T& a, T& b) { |
| 52 | T t(a); a = b; b = t; |
| 53 | } |
| 54 | template<typename T> |
| 55 | inline T max(T a, T b) { |
| 56 | return a<b ? b : a; |
| 57 | } |
| 58 | template<typename T> |
| 59 | inline T max(T a, T b, T c) { |
| 60 | return max(a, max(b, c)); |
| 61 | } |
| 62 | template<typename T> |
| 63 | inline T min(T a, T b) { |
| 64 | return a<b ? a : b; |
| 65 | } |
| 66 | template<typename T> |
| 67 | inline T min(T a, T b, T c) { |
| 68 | return min(a, min(b, c)); |
| 69 | } |
| 70 | template<typename T> |
| 71 | inline T min(T a, T b, T c, T d) { |
| 72 | return min(min(a,b), min(c,d)); |
| 73 | } |
| 74 | |
| 75 | // ---------------------------------------------------------------------------- |
| 76 | // vertices |
| 77 | // ---------------------------------------------------------------------------- |
| 78 | |
| 79 | struct vec3_t { |
| 80 | union { |
| 81 | struct { GLfixed x, y, z; }; |
| 82 | struct { GLfixed r, g, b; }; |
| 83 | struct { GLfixed S, T, R; }; |
| 84 | GLfixed v[3]; |
| 85 | }; |
| 86 | }; |
| 87 | |
| 88 | struct vec4_t { |
| 89 | union { |
| 90 | struct { GLfixed x, y, z, w; }; |
| 91 | struct { GLfixed r, g, b, a; }; |
| 92 | struct { GLfixed S, T, R, Q; }; |
| 93 | GLfixed v[4]; |
| 94 | }; |
| 95 | }; |
| 96 | |
| 97 | struct vertex_t { |
| 98 | enum { |
| 99 | // these constant matter for our clipping |
| 100 | CLIP_L = 0x0001, // clipping flags |
| 101 | CLIP_R = 0x0002, |
| 102 | CLIP_B = 0x0004, |
| 103 | CLIP_T = 0x0008, |
| 104 | CLIP_N = 0x0010, |
| 105 | CLIP_F = 0x0020, |
| 106 | |
| 107 | EYE = 0x0040, |
| 108 | RESERVED = 0x0080, |
| 109 | |
| 110 | USER_CLIP_0 = 0x0100, // user clipping flags |
| 111 | USER_CLIP_1 = 0x0200, |
| 112 | USER_CLIP_2 = 0x0400, |
| 113 | USER_CLIP_3 = 0x0800, |
| 114 | USER_CLIP_4 = 0x1000, |
| 115 | USER_CLIP_5 = 0x2000, |
| 116 | |
| 117 | LIT = 0x4000, // lighting has been applied |
| 118 | TT = 0x8000, // texture coords transformed |
| 119 | |
| 120 | FRUSTUM_CLIP_ALL= 0x003F, |
| 121 | USER_CLIP_ALL = 0x3F00, |
| 122 | CLIP_ALL = 0x3F3F, |
| 123 | }; |
| 124 | |
| 125 | // the fields below are arranged to minimize d-cache usage |
| 126 | // we group together, by cache-line, the fields most likely to be used |
| 127 | |
| 128 | union { |
| 129 | vec4_t obj; |
| 130 | vec4_t eye; |
| 131 | }; |
| 132 | vec4_t clip; |
| 133 | |
| 134 | uint32_t flags; |
| 135 | size_t index; // cache tag, and vertex index |
| 136 | GLfixed fog; |
| 137 | uint8_t locked; |
| 138 | uint8_t mru; |
| 139 | uint8_t reserved[2]; |
| 140 | vec4_t window; |
| 141 | |
| 142 | vec4_t color; |
| 143 | vec4_t texture[GGL_TEXTURE_UNIT_COUNT]; |
| 144 | uint32_t reserved1[4]; |
| 145 | |
| 146 | inline void clear() { |
| 147 | flags = index = locked = mru = 0; |
| 148 | } |
| 149 | }; |
| 150 | |
| 151 | struct point_size_t { |
| 152 | GGLcoord size; |
| 153 | GLboolean smooth; |
| 154 | }; |
| 155 | |
| 156 | struct line_width_t { |
| 157 | GGLcoord width; |
| 158 | GLboolean smooth; |
| 159 | }; |
| 160 | |
| 161 | struct polygon_offset_t { |
| 162 | GLfixed factor; |
| 163 | GLfixed units; |
| 164 | GLboolean enable; |
| 165 | }; |
| 166 | |
| 167 | // ---------------------------------------------------------------------------- |
| 168 | // arrays |
| 169 | // ---------------------------------------------------------------------------- |
| 170 | |
| 171 | struct array_t { |
| 172 | typedef void (*fetcher_t)(ogles_context_t*, GLfixed*, const GLvoid*); |
| 173 | fetcher_t fetch; |
| 174 | GLvoid const* physical_pointer; |
| 175 | GLint size; |
| 176 | GLsizei stride; |
| 177 | GLvoid const* pointer; |
| 178 | buffer_t const* bo; |
| 179 | uint16_t type; |
| 180 | GLboolean enable; |
| 181 | GLboolean pad; |
| 182 | GLsizei bounds; |
| 183 | void init(GLint, GLenum, GLsizei, const GLvoid *, const buffer_t*, GLsizei); |
| 184 | inline void resolve(); |
| 185 | inline const GLubyte* element(GLint i) const { |
| 186 | return (const GLubyte*)physical_pointer + i * stride; |
| 187 | } |
| 188 | }; |
| 189 | |
| 190 | struct array_machine_t { |
| 191 | array_t vertex; |
| 192 | array_t normal; |
| 193 | array_t color; |
| 194 | array_t texture[GGL_TEXTURE_UNIT_COUNT]; |
| 195 | uint8_t activeTexture; |
| 196 | uint8_t tmu; |
| 197 | uint16_t cull; |
| 198 | uint32_t flags; |
| 199 | GLenum indicesType; |
| 200 | buffer_t const* array_buffer; |
| 201 | buffer_t const* element_array_buffer; |
| 202 | |
| 203 | void (*compileElements)(ogles_context_t*, vertex_t*, GLint, GLsizei); |
| 204 | void (*compileElement)(ogles_context_t*, vertex_t*, GLint); |
| 205 | |
| 206 | void (*mvp_transform)(transform_t const*, vec4_t*, vec4_t const*); |
| 207 | void (*mv_transform)(transform_t const*, vec4_t*, vec4_t const*); |
| 208 | void (*tex_transform[2])(transform_t const*, vec4_t*, vec4_t const*); |
| 209 | void (*perspective)(ogles_context_t*c, vertex_t* v); |
| 210 | void (*clipVertex)(ogles_context_t* c, vertex_t* nv, |
| 211 | GGLfixed t, const vertex_t* s, const vertex_t* p); |
| 212 | void (*clipEye)(ogles_context_t* c, vertex_t* nv, |
| 213 | GGLfixed t, const vertex_t* s, const vertex_t* p); |
| 214 | }; |
| 215 | |
| 216 | struct vertex_cache_t { |
| 217 | enum { |
| 218 | // must be at least 4 |
| 219 | // 3 vertice for triangles |
| 220 | // or 2 + 2 for indexed triangles w/ cache contention |
| 221 | VERTEX_BUFFER_SIZE = 8, |
| 222 | // must be a power of two and at least 3 |
| 223 | VERTEX_CACHE_SIZE = 64, // 8 KB |
| 224 | |
| 225 | INDEX_BITS = 16, |
| 226 | INDEX_MASK = ((1LU<<INDEX_BITS)-1), |
| 227 | INDEX_SEQ = 1LU<<INDEX_BITS, |
| 228 | }; |
| 229 | vertex_t* vBuffer; |
| 230 | vertex_t* vCache; |
| 231 | uint32_t sequence; |
| 232 | void* base; |
| 233 | uint32_t total; |
| 234 | uint32_t misses; |
| 235 | int64_t startTime; |
| 236 | void init(); |
| 237 | void uninit(); |
| 238 | void clear(); |
| 239 | void dump_stats(GLenum mode); |
| 240 | }; |
| 241 | |
| 242 | // ---------------------------------------------------------------------------- |
| 243 | // fog |
| 244 | // ---------------------------------------------------------------------------- |
| 245 | |
| 246 | struct fog_t { |
| 247 | GLfixed density; |
| 248 | GLfixed start; |
| 249 | GLfixed end; |
| 250 | GLfixed invEndMinusStart; |
| 251 | GLenum mode; |
| 252 | GLfixed (*fog)(ogles_context_t* c, GLfixed z); |
| 253 | }; |
| 254 | |
| 255 | // ---------------------------------------------------------------------------- |
| 256 | // user clip planes |
| 257 | // ---------------------------------------------------------------------------- |
| 258 | |
| 259 | const unsigned int OGLES_MAX_CLIP_PLANES = 6; |
| 260 | |
| 261 | struct clip_plane_t { |
| 262 | vec4_t equation; |
| 263 | }; |
| 264 | |
| 265 | struct user_clip_planes_t { |
| 266 | clip_plane_t plane[OGLES_MAX_CLIP_PLANES]; |
| 267 | uint32_t enable; |
| 268 | }; |
| 269 | |
| 270 | // ---------------------------------------------------------------------------- |
| 271 | // lighting |
| 272 | // ---------------------------------------------------------------------------- |
| 273 | |
| 274 | const unsigned int OGLES_MAX_LIGHTS = 8; |
| 275 | |
| 276 | struct light_t { |
| 277 | vec4_t ambient; |
| 278 | vec4_t diffuse; |
| 279 | vec4_t specular; |
| 280 | vec4_t implicitAmbient; |
| 281 | vec4_t implicitDiffuse; |
| 282 | vec4_t implicitSpecular; |
| 283 | vec4_t position; // position in eye space |
| 284 | vec4_t objPosition; |
| 285 | vec4_t normalizedObjPosition; |
| 286 | vec4_t spotDir; |
| 287 | vec4_t normalizedSpotDir; |
| 288 | GLfixed spotExp; |
| 289 | GLfixed spotCutoff; |
| 290 | GLfixed spotCutoffCosine; |
| 291 | GLfixed attenuation[3]; |
| 292 | GLfixed rConstAttenuation; |
| 293 | GLboolean enable; |
| 294 | }; |
| 295 | |
| 296 | struct material_t { |
| 297 | vec4_t ambient; |
| 298 | vec4_t diffuse; |
| 299 | vec4_t specular; |
| 300 | vec4_t emission; |
| 301 | GLfixed shininess; |
| 302 | }; |
| 303 | |
| 304 | struct light_model_t { |
| 305 | vec4_t ambient; |
| 306 | GLboolean twoSide; |
| 307 | }; |
| 308 | |
| 309 | struct color_material_t { |
| 310 | GLenum face; |
| 311 | GLenum mode; |
| 312 | GLboolean enable; |
| 313 | }; |
| 314 | |
| 315 | struct lighting_t { |
| 316 | light_t lights[OGLES_MAX_LIGHTS]; |
| 317 | material_t front; |
| 318 | light_model_t lightModel; |
| 319 | color_material_t colorMaterial; |
| 320 | uint32_t enabledLights; |
| 321 | GLboolean enable; |
| 322 | vec4_t implicitSceneEmissionAndAmbient; |
| 323 | GLenum shadeModel; |
| 324 | typedef void (*light_fct_t)(ogles_context_t*, vertex_t*); |
| 325 | void (*lightVertex)(ogles_context_t* c, vertex_t* v); |
| 326 | void (*lightTriangle)(ogles_context_t* c, |
| 327 | vertex_t* v0, vertex_t* v1, vertex_t* v2); |
| 328 | }; |
| 329 | |
| 330 | struct culling_t { |
| 331 | GLenum cullFace; |
| 332 | GLenum frontFace; |
| 333 | GLboolean enable; |
| 334 | }; |
| 335 | |
| 336 | // ---------------------------------------------------------------------------- |
| 337 | // textures |
| 338 | // ---------------------------------------------------------------------------- |
| 339 | |
| 340 | struct texture_unit_t { |
| 341 | GLuint name; |
| 342 | EGLTextureObject* texture; |
| 343 | uint8_t dirty; |
| 344 | }; |
| 345 | |
| 346 | struct texture_state_t |
| 347 | { |
| 348 | texture_unit_t tmu[GGL_TEXTURE_UNIT_COUNT]; |
| 349 | int active; // active tmu |
| 350 | EGLTextureObject* defaultTexture; |
| 351 | GGLContext* ggl; |
| 352 | uint8_t packAlignment; |
| 353 | uint8_t unpackAlignment; |
| 354 | }; |
| 355 | |
| 356 | // ---------------------------------------------------------------------------- |
| 357 | // transformation and matrices |
| 358 | // ---------------------------------------------------------------------------- |
| 359 | |
| 360 | struct matrixf_t; |
| 361 | |
| 362 | struct matrixx_t { |
| 363 | GLfixed m[16]; |
| 364 | void load(const matrixf_t& rhs); |
| 365 | }; |
| 366 | |
| 367 | struct matrix_stack_t; |
| 368 | |
| 369 | |
| 370 | struct matrixf_t { |
| 371 | void loadIdentity(); |
| 372 | void load(const matrixf_t& rhs); |
| 373 | |
| 374 | inline GLfloat* editElements() { return m; } |
| 375 | inline GLfloat const* elements() const { return m; } |
| 376 | |
| 377 | void set(const GLfixed* rhs); |
| 378 | void set(const GLfloat* rhs); |
| 379 | |
| 380 | static void multiply(matrixf_t& r, |
| 381 | const matrixf_t& lhs, const matrixf_t& rhs); |
| 382 | |
| 383 | void dump(const char* what); |
| 384 | |
| 385 | private: |
| 386 | friend struct matrix_stack_t; |
| 387 | GLfloat m[16]; |
| 388 | void load(const GLfixed* rhs); |
| 389 | void load(const GLfloat* rhs); |
| 390 | void multiply(const matrixf_t& rhs); |
| 391 | void translate(GLfloat x, GLfloat y, GLfloat z); |
| 392 | void scale(GLfloat x, GLfloat y, GLfloat z); |
| 393 | void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z); |
| 394 | }; |
| 395 | |
| 396 | enum { |
| 397 | OP_IDENTITY = 0x00, |
| 398 | OP_TRANSLATE = 0x01, |
| 399 | OP_UNIFORM_SCALE = 0x02, |
| 400 | OP_SCALE = 0x05, |
| 401 | OP_ROTATE = 0x08, |
| 402 | OP_SKEW = 0x10, |
| 403 | OP_ALL = 0x1F |
| 404 | }; |
| 405 | |
| 406 | struct transform_t { |
| 407 | enum { |
| 408 | FLAGS_2D_PROJECTION = 0x1 |
| 409 | }; |
| 410 | matrixx_t matrix; |
| 411 | uint32_t flags; |
| 412 | uint32_t ops; |
| 413 | |
| 414 | union { |
| 415 | struct { |
| 416 | void (*point2)(transform_t const* t, vec4_t*, vec4_t const*); |
| 417 | void (*point3)(transform_t const* t, vec4_t*, vec4_t const*); |
| 418 | void (*point4)(transform_t const* t, vec4_t*, vec4_t const*); |
| 419 | }; |
| 420 | void (*pointv[3])(transform_t const* t, vec4_t*, vec4_t const*); |
| 421 | }; |
| 422 | |
| 423 | void loadIdentity(); |
| 424 | void picker(); |
| 425 | void dump(const char* what); |
| 426 | }; |
| 427 | |
| 428 | struct mvui_transform_t : public transform_t |
| 429 | { |
| 430 | void picker(); |
| 431 | }; |
| 432 | |
| 433 | struct matrix_stack_t { |
| 434 | enum { |
| 435 | DO_PICKER = 0x1, |
| 436 | DO_FLOAT_TO_FIXED = 0x2 |
| 437 | }; |
| 438 | transform_t transform; |
| 439 | uint8_t maxDepth; |
| 440 | uint8_t depth; |
| 441 | uint8_t dirty; |
| 442 | uint8_t reserved; |
| 443 | matrixf_t *stack; |
| 444 | uint8_t *ops; |
| 445 | void init(int depth); |
| 446 | void uninit(); |
| 447 | void loadIdentity(); |
| 448 | void load(const GLfixed* rhs); |
| 449 | void load(const GLfloat* rhs); |
| 450 | void multiply(const matrixf_t& rhs); |
| 451 | void translate(GLfloat x, GLfloat y, GLfloat z); |
| 452 | void scale(GLfloat x, GLfloat y, GLfloat z); |
| 453 | void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z); |
| 454 | GLint push(); |
| 455 | GLint pop(); |
| 456 | void validate(); |
| 457 | matrixf_t& top() { return stack[depth]; } |
| 458 | const matrixf_t& top() const { return stack[depth]; } |
| 459 | const uint32_t top_ops() const { return ops[depth]; } |
| 460 | inline bool isRigidBody() const { |
| 461 | return !(ops[depth] & ~(OP_TRANSLATE|OP_UNIFORM_SCALE|OP_ROTATE)); |
| 462 | } |
| 463 | }; |
| 464 | |
| 465 | struct vp_transform_t { |
| 466 | transform_t transform; |
| 467 | matrixf_t matrix; |
| 468 | GLfloat zNear; |
| 469 | GLfloat zFar; |
| 470 | void loadIdentity(); |
| 471 | }; |
| 472 | |
| 473 | struct transform_state_t { |
| 474 | enum { |
| 475 | MODELVIEW = 0x01, |
| 476 | PROJECTION = 0x02, |
| 477 | VIEWPORT = 0x04, |
| 478 | TEXTURE = 0x08, |
| 479 | MVUI = 0x10, |
| 480 | MVIT = 0x20, |
| 481 | MVP = 0x40, |
| 482 | }; |
| 483 | matrix_stack_t *current; |
| 484 | matrix_stack_t modelview; |
| 485 | matrix_stack_t projection; |
| 486 | matrix_stack_t texture[GGL_TEXTURE_UNIT_COUNT]; |
| 487 | |
| 488 | // modelview * projection |
| 489 | transform_t mvp __attribute__((aligned(32))); |
| 490 | // viewport transformation |
| 491 | vp_transform_t vpt __attribute__((aligned(32))); |
| 492 | // same for 4-D vertices |
| 493 | transform_t mvp4; |
| 494 | // full modelview inverse transpose |
| 495 | transform_t mvit4; |
| 496 | // upper 3x3 of mv-inverse-transpose (for normals) |
| 497 | mvui_transform_t mvui; |
| 498 | |
| 499 | GLenum matrixMode; |
| 500 | GLenum rescaleNormals; |
| 501 | uint32_t dirty; |
| 502 | void invalidate(); |
| 503 | void update_mvp(); |
| 504 | void update_mvit(); |
| 505 | void update_mvui(); |
| 506 | }; |
| 507 | |
| 508 | struct viewport_t { |
| 509 | GLint x; |
| 510 | GLint y; |
| 511 | GLsizei w; |
| 512 | GLsizei h; |
| 513 | struct { |
| 514 | GLint x; |
| 515 | GLint y; |
| 516 | } surfaceport; |
| 517 | struct { |
| 518 | GLint x; |
| 519 | GLint y; |
| 520 | GLsizei w; |
| 521 | GLsizei h; |
| 522 | } scissor; |
| 523 | }; |
| 524 | |
| 525 | // ---------------------------------------------------------------------------- |
| 526 | // Lerping |
| 527 | // ---------------------------------------------------------------------------- |
| 528 | |
| 529 | struct compute_iterators_t |
| 530 | { |
| 531 | void initTriangle( |
| 532 | vertex_t const* v0, |
| 533 | vertex_t const* v1, |
| 534 | vertex_t const* v2); |
| 535 | |
The Android Open Source Project | 7b5eb02 | 2008-12-17 18:05:43 -0800 | [diff] [blame] | 536 | void initLine( |
| 537 | vertex_t const* v0, |
| 538 | vertex_t const* v1); |
| 539 | |
The Android Open Source Project | 2729ea9 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 540 | inline void initLerp(vertex_t const* v0, uint32_t enables); |
| 541 | |
| 542 | int iteratorsScale(int32_t it[3], |
| 543 | int32_t c0, int32_t c1, int32_t c2) const; |
| 544 | |
| 545 | void iterators1616(GGLfixed it[3], |
| 546 | GGLfixed c0, GGLfixed c1, GGLfixed c2) const; |
| 547 | |
| 548 | void iterators0032(int32_t it[3], |
| 549 | int32_t c0, int32_t c1, int32_t c2) const; |
| 550 | |
The Android Open Source Project | 7b5eb02 | 2008-12-17 18:05:43 -0800 | [diff] [blame] | 551 | void iterators0032(int64_t it[3], |
| 552 | int32_t c0, int32_t c1, int32_t c2) const; |
| 553 | |
The Android Open Source Project | 2729ea9 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 554 | GGLcoord area() const { return m_area; } |
| 555 | |
| 556 | private: |
| 557 | // don't change order of members here -- used by iterators.S |
| 558 | GGLcoord m_dx01, m_dy10, m_dx20, m_dy02; |
| 559 | GGLcoord m_x0, m_y0; |
| 560 | GGLcoord m_area; |
| 561 | uint8_t m_scale; |
| 562 | uint8_t m_area_scale; |
| 563 | uint8_t m_reserved[2]; |
| 564 | |
| 565 | }; |
| 566 | |
| 567 | // ---------------------------------------------------------------------------- |
| 568 | // state |
| 569 | // ---------------------------------------------------------------------------- |
| 570 | |
| 571 | #ifdef HAVE_ANDROID_OS |
| 572 | // We have a dedicated TLS slot in bionic |
| 573 | inline void setGlThreadSpecific(ogles_context_t *value) { |
| 574 | ((uint32_t *)__get_tls())[TLS_SLOT_OPENGL] = (uint32_t)value; |
| 575 | } |
| 576 | inline ogles_context_t* getGlThreadSpecific() { |
| 577 | return (ogles_context_t *)(((unsigned *)__get_tls())[TLS_SLOT_OPENGL]); |
| 578 | } |
| 579 | #else |
| 580 | extern pthread_key_t gGLKey; |
| 581 | inline void setGlThreadSpecific(ogles_context_t *value) { |
| 582 | pthread_setspecific(gGLKey, value); |
| 583 | } |
| 584 | inline ogles_context_t* getGlThreadSpecific() { |
| 585 | return static_cast<ogles_context_t*>(pthread_getspecific(gGLKey)); |
| 586 | } |
| 587 | #endif |
| 588 | |
| 589 | |
| 590 | struct prims_t { |
| 591 | typedef ogles_context_t* GL; |
| 592 | void (*renderPoint)(GL, vertex_t*); |
| 593 | void (*renderLine)(GL, vertex_t*, vertex_t*); |
| 594 | void (*renderTriangle)(GL, vertex_t*, vertex_t*, vertex_t*); |
| 595 | }; |
| 596 | |
| 597 | struct ogles_context_t { |
| 598 | context_t rasterizer; |
| 599 | array_machine_t arrays __attribute__((aligned(32))); |
| 600 | texture_state_t textures; |
| 601 | transform_state_t transforms; |
| 602 | vertex_cache_t vc; |
| 603 | prims_t prims; |
| 604 | culling_t cull; |
| 605 | lighting_t lighting; |
| 606 | user_clip_planes_t clipPlanes; |
| 607 | compute_iterators_t lerp; __attribute__((aligned(32))); |
| 608 | vertex_t current; |
| 609 | vec4_t currentColorClamped; |
| 610 | vec3_t currentNormal; |
| 611 | viewport_t viewport; |
| 612 | point_size_t point; |
| 613 | line_width_t line; |
| 614 | polygon_offset_t polygonOffset; |
| 615 | fog_t fog; |
| 616 | uint32_t perspective : 1; |
| 617 | uint32_t transformTextures : 1; |
| 618 | EGLSurfaceManager* surfaceManager; |
| 619 | EGLBufferObjectManager* bufferObjectManager; |
| 620 | GLenum error; |
| 621 | |
| 622 | static inline ogles_context_t* get() { |
| 623 | return getGlThreadSpecific(); |
| 624 | } |
| 625 | |
| 626 | }; |
| 627 | |
| 628 | }; // namespace gl |
| 629 | }; // namespace android |
| 630 | |
| 631 | #endif // ANDROID_OPENGLES_CONTEXT_H |
| 632 | |