The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | ** |
| 3 | ** Copyright 2007 The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License Version 2.0(the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #define LOG_TAG "EGL" |
| 19 | |
| 20 | #include <assert.h> |
| 21 | #include <errno.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <stdio.h> |
| 24 | #include <string.h> |
| 25 | #include <unistd.h> |
| 26 | #include <fcntl.h> |
| 27 | #include <sys/ioctl.h> |
| 28 | #include <sys/types.h> |
| 29 | #include <sys/mman.h> |
| 30 | |
| 31 | #include <cutils/log.h> |
| 32 | #include <cutils/atomic.h> |
| 33 | |
| 34 | #include <utils/threads.h> |
| 35 | |
| 36 | #include <EGL/egl.h> |
| 37 | #include <EGL/eglext.h> |
| 38 | #include <GLES/gl.h> |
| 39 | #include <GLES/glext.h> |
| 40 | |
| 41 | #include <pixelflinger/format.h> |
| 42 | #include <pixelflinger/pixelflinger.h> |
| 43 | |
| 44 | #include "context.h" |
| 45 | #include "state.h" |
| 46 | #include "texture.h" |
| 47 | #include "matrix.h" |
| 48 | |
| 49 | #undef NELEM |
| 50 | #define NELEM(x) (sizeof(x)/sizeof(*(x))) |
| 51 | |
| 52 | // ---------------------------------------------------------------------------- |
| 53 | namespace android { |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | |
| 56 | const unsigned int NUM_DISPLAYS = 1; |
| 57 | |
| 58 | static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; |
| 59 | static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; |
| 60 | static pthread_key_t gEGLErrorKey = -1; |
| 61 | #ifndef HAVE_ANDROID_OS |
| 62 | namespace gl { |
| 63 | pthread_key_t gGLKey = -1; |
| 64 | }; // namespace gl |
| 65 | #endif |
| 66 | |
| 67 | template<typename T> |
| 68 | static T setError(GLint error, T returnValue) { |
| 69 | if (ggl_unlikely(gEGLErrorKey == -1)) { |
| 70 | pthread_mutex_lock(&gErrorKeyMutex); |
| 71 | if (gEGLErrorKey == -1) |
| 72 | pthread_key_create(&gEGLErrorKey, NULL); |
| 73 | pthread_mutex_unlock(&gErrorKeyMutex); |
| 74 | } |
| 75 | pthread_setspecific(gEGLErrorKey, (void*)error); |
| 76 | return returnValue; |
| 77 | } |
| 78 | |
| 79 | static GLint getError() { |
| 80 | if (ggl_unlikely(gEGLErrorKey == -1)) |
| 81 | return EGL_SUCCESS; |
| 82 | GLint error = (GLint)pthread_getspecific(gEGLErrorKey); |
| 83 | pthread_setspecific(gEGLErrorKey, (void*)EGL_SUCCESS); |
| 84 | return error; |
| 85 | } |
| 86 | |
| 87 | // ---------------------------------------------------------------------------- |
| 88 | |
| 89 | struct egl_display_t |
| 90 | { |
| 91 | egl_display_t() : type(0), initialized(0) { } |
| 92 | |
| 93 | static egl_display_t& get_display(EGLDisplay dpy); |
| 94 | |
| 95 | static EGLBoolean is_valid(EGLDisplay dpy) { |
| 96 | return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; |
| 97 | } |
| 98 | |
| 99 | NativeDisplayType type; |
| 100 | volatile int32_t initialized; |
| 101 | }; |
| 102 | |
| 103 | static egl_display_t gDisplays[NUM_DISPLAYS]; |
| 104 | |
| 105 | egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { |
| 106 | return gDisplays[uintptr_t(dpy)-1U]; |
| 107 | } |
| 108 | |
| 109 | struct egl_context_t { |
| 110 | enum { |
| 111 | IS_CURRENT = 0x00010000, |
| 112 | NEVER_CURRENT = 0x00020000 |
| 113 | }; |
| 114 | uint32_t flags; |
| 115 | EGLDisplay dpy; |
| 116 | EGLConfig config; |
| 117 | EGLSurface read; |
| 118 | EGLSurface draw; |
| 119 | |
| 120 | static inline egl_context_t* context(EGLContext ctx) { |
| 121 | ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx); |
| 122 | return static_cast<egl_context_t*>(gl->rasterizer.base); |
| 123 | } |
| 124 | }; |
| 125 | |
| 126 | // ---------------------------------------------------------------------------- |
| 127 | |
| 128 | struct egl_surface_t |
| 129 | { |
| 130 | enum { |
| 131 | PAGE_FLIP = 0x00000001, |
| 132 | MAGIC = 0x31415265 |
| 133 | }; |
| 134 | |
| 135 | uint32_t magic; |
| 136 | EGLDisplay dpy; |
| 137 | EGLConfig config; |
| 138 | EGLContext ctx; |
| 139 | |
| 140 | egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); |
| 141 | virtual ~egl_surface_t(); |
| 142 | virtual bool isValid() const = 0; |
| 143 | |
| 144 | virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; |
| 145 | virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; |
| 146 | virtual EGLint getWidth() const = 0; |
| 147 | virtual EGLint getHeight() const = 0; |
| 148 | virtual void* getBits() const = 0; |
| 149 | |
| 150 | virtual EGLint getHorizontalResolution() const; |
| 151 | virtual EGLint getVerticalResolution() const; |
| 152 | virtual EGLint getRefreshRate() const; |
| 153 | virtual EGLint getSwapBehavior() const; |
| 154 | virtual EGLBoolean swapBuffers(); |
| 155 | protected: |
| 156 | GGLSurface depth; |
| 157 | }; |
| 158 | |
| 159 | egl_surface_t::egl_surface_t(EGLDisplay dpy, |
| 160 | EGLConfig config, |
| 161 | int32_t depthFormat) |
| 162 | : magic(MAGIC), dpy(dpy), config(config), ctx(0) |
| 163 | { |
| 164 | depth.version = sizeof(GGLSurface); |
| 165 | depth.data = 0; |
| 166 | depth.format = depthFormat; |
| 167 | } |
| 168 | egl_surface_t::~egl_surface_t() |
| 169 | { |
| 170 | magic = 0; |
| 171 | free(depth.data); |
| 172 | } |
| 173 | EGLBoolean egl_surface_t::swapBuffers() { |
| 174 | return EGL_FALSE; |
| 175 | } |
| 176 | EGLint egl_surface_t::getHorizontalResolution() const { |
| 177 | return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); |
| 178 | } |
| 179 | EGLint egl_surface_t::getVerticalResolution() const { |
| 180 | return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); |
| 181 | } |
| 182 | EGLint egl_surface_t::getRefreshRate() const { |
| 183 | return (60 * EGL_DISPLAY_SCALING); |
| 184 | } |
| 185 | EGLint egl_surface_t::getSwapBehavior() const { |
| 186 | return EGL_BUFFER_PRESERVED; |
| 187 | } |
| 188 | |
| 189 | // ---------------------------------------------------------------------------- |
| 190 | |
| 191 | struct egl_window_surface_t : public egl_surface_t |
| 192 | { |
| 193 | egl_window_surface_t( |
| 194 | EGLDisplay dpy, EGLConfig config, |
| 195 | int32_t depthFormat, |
| 196 | egl_native_window_t* window); |
| 197 | |
| 198 | ~egl_window_surface_t(); |
| 199 | |
| 200 | virtual bool isValid() const { return nativeWindow->magic == 0x600913; } |
| 201 | virtual EGLBoolean swapBuffers(); |
| 202 | virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); |
| 203 | virtual EGLBoolean bindReadSurface(ogles_context_t* gl); |
| 204 | virtual EGLint getWidth() const { return nativeWindow->width; } |
| 205 | virtual EGLint getHeight() const { return nativeWindow->height; } |
| 206 | virtual void* getBits() const; |
| 207 | virtual EGLint getHorizontalResolution() const; |
| 208 | virtual EGLint getVerticalResolution() const; |
| 209 | virtual EGLint getRefreshRate() const; |
| 210 | virtual EGLint getSwapBehavior() const; |
| 211 | private: |
| 212 | egl_native_window_t* nativeWindow; |
| 213 | }; |
| 214 | |
| 215 | egl_window_surface_t::egl_window_surface_t(EGLDisplay dpy, |
| 216 | EGLConfig config, |
| 217 | int32_t depthFormat, |
| 218 | egl_native_window_t* window) |
| 219 | : egl_surface_t(dpy, config, depthFormat), nativeWindow(window) |
| 220 | { |
| 221 | if (depthFormat) { |
| 222 | depth.width = window->width; |
| 223 | depth.height = window->height; |
| 224 | depth.stride = depth.width; // use the width here |
| 225 | depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); |
| 226 | if (depth.data == 0) { |
| 227 | setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| 228 | return; |
| 229 | } |
| 230 | } |
| 231 | nativeWindow->incRef(nativeWindow); |
| 232 | } |
| 233 | egl_window_surface_t::~egl_window_surface_t() { |
| 234 | nativeWindow->decRef(nativeWindow); |
| 235 | } |
| 236 | |
| 237 | EGLBoolean egl_window_surface_t::swapBuffers() |
| 238 | { |
| 239 | uint32_t flags = nativeWindow->swapBuffers(nativeWindow); |
| 240 | if (flags & EGL_NATIVES_FLAG_SIZE_CHANGED) { |
| 241 | // TODO: we probably should reset the swap rect here |
| 242 | // if the window size has changed |
| 243 | if (depth.data) { |
| 244 | free(depth.data); |
| 245 | depth.width = nativeWindow->width; |
| 246 | depth.height = nativeWindow->height; |
| 247 | depth.stride = nativeWindow->stride; |
| 248 | depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); |
| 249 | if (depth.data == 0) { |
| 250 | setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| 251 | return EGL_FALSE; |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | return EGL_TRUE; |
| 256 | } |
| 257 | |
| 258 | EGLBoolean egl_window_surface_t::bindDrawSurface(ogles_context_t* gl) |
| 259 | { |
| 260 | GGLSurface buffer; |
| 261 | buffer.version = sizeof(GGLSurface); |
| 262 | buffer.width = nativeWindow->width; |
| 263 | buffer.height = nativeWindow->height; |
| 264 | buffer.stride = nativeWindow->stride; |
| 265 | buffer.data = (GGLubyte*)nativeWindow->base + nativeWindow->offset; |
| 266 | buffer.format = nativeWindow->format; |
| 267 | gl->rasterizer.procs.colorBuffer(gl, &buffer); |
| 268 | if (depth.data != gl->rasterizer.state.buffers.depth.data) |
| 269 | gl->rasterizer.procs.depthBuffer(gl, &depth); |
| 270 | return EGL_TRUE; |
| 271 | } |
| 272 | EGLBoolean egl_window_surface_t::bindReadSurface(ogles_context_t* gl) |
| 273 | { |
| 274 | GGLSurface buffer; |
| 275 | buffer.version = sizeof(GGLSurface); |
| 276 | buffer.width = nativeWindow->width; |
| 277 | buffer.height = nativeWindow->height; |
| 278 | buffer.stride = nativeWindow->stride; |
| 279 | buffer.data = (GGLubyte*)nativeWindow->base + nativeWindow->offset; |
| 280 | buffer.format = nativeWindow->format; |
| 281 | gl->rasterizer.procs.readBuffer(gl, &buffer); |
| 282 | return EGL_TRUE; |
| 283 | } |
| 284 | void* egl_window_surface_t::getBits() const { |
| 285 | return (GGLubyte*)nativeWindow->base + nativeWindow->offset; |
| 286 | } |
| 287 | EGLint egl_window_surface_t::getHorizontalResolution() const { |
| 288 | return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); |
| 289 | } |
| 290 | EGLint egl_window_surface_t::getVerticalResolution() const { |
| 291 | return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); |
| 292 | } |
| 293 | EGLint egl_window_surface_t::getRefreshRate() const { |
| 294 | return (nativeWindow->fps * EGL_DISPLAY_SCALING); |
| 295 | } |
| 296 | EGLint egl_window_surface_t::getSwapBehavior() const { |
| 297 | uint32_t flags = nativeWindow->flags; |
| 298 | if (flags & EGL_NATIVES_FLAG_DESTROY_BACKBUFFER) |
| 299 | return EGL_BUFFER_DESTROYED; |
| 300 | return EGL_BUFFER_PRESERVED; |
| 301 | } |
| 302 | |
| 303 | // ---------------------------------------------------------------------------- |
| 304 | |
| 305 | struct egl_pixmap_surface_t : public egl_surface_t |
| 306 | { |
| 307 | egl_pixmap_surface_t( |
| 308 | EGLDisplay dpy, EGLConfig config, |
| 309 | int32_t depthFormat, |
| 310 | egl_native_pixmap_t const * pixmap); |
| 311 | |
| 312 | virtual ~egl_pixmap_surface_t() { } |
| 313 | |
| 314 | virtual bool isValid() const { return nativePixmap.version == sizeof(egl_native_pixmap_t); } |
| 315 | virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); |
| 316 | virtual EGLBoolean bindReadSurface(ogles_context_t* gl); |
| 317 | virtual EGLint getWidth() const { return nativePixmap.width; } |
| 318 | virtual EGLint getHeight() const { return nativePixmap.height; } |
| 319 | virtual void* getBits() const { return nativePixmap.data; } |
| 320 | private: |
| 321 | egl_native_pixmap_t nativePixmap; |
| 322 | }; |
| 323 | |
| 324 | egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, |
| 325 | EGLConfig config, |
| 326 | int32_t depthFormat, |
| 327 | egl_native_pixmap_t const * pixmap) |
| 328 | : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) |
| 329 | { |
| 330 | if (depthFormat) { |
| 331 | depth.width = pixmap->width; |
| 332 | depth.height = pixmap->height; |
| 333 | depth.stride = depth.width; // use the width here |
| 334 | depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); |
| 335 | if (depth.data == 0) { |
| 336 | setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| 337 | return; |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) |
| 342 | { |
| 343 | GGLSurface buffer; |
| 344 | buffer.version = sizeof(GGLSurface); |
| 345 | buffer.width = nativePixmap.width; |
| 346 | buffer.height = nativePixmap.height; |
| 347 | buffer.stride = nativePixmap.stride; |
| 348 | buffer.data = nativePixmap.data; |
| 349 | buffer.format = nativePixmap.format; |
| 350 | |
| 351 | gl->rasterizer.procs.colorBuffer(gl, &buffer); |
| 352 | if (depth.data != gl->rasterizer.state.buffers.depth.data) |
| 353 | gl->rasterizer.procs.depthBuffer(gl, &depth); |
| 354 | return EGL_TRUE; |
| 355 | } |
| 356 | EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) |
| 357 | { |
| 358 | GGLSurface buffer; |
| 359 | buffer.version = sizeof(GGLSurface); |
| 360 | buffer.width = nativePixmap.width; |
| 361 | buffer.height = nativePixmap.height; |
| 362 | buffer.stride = nativePixmap.stride; |
| 363 | buffer.data = nativePixmap.data; |
| 364 | buffer.format = nativePixmap.format; |
| 365 | gl->rasterizer.procs.readBuffer(gl, &buffer); |
| 366 | return EGL_TRUE; |
| 367 | } |
| 368 | |
| 369 | // ---------------------------------------------------------------------------- |
| 370 | |
| 371 | struct egl_pbuffer_surface_t : public egl_surface_t |
| 372 | { |
| 373 | egl_pbuffer_surface_t( |
| 374 | EGLDisplay dpy, EGLConfig config, int32_t depthFormat, |
| 375 | int32_t w, int32_t h, int32_t f); |
| 376 | |
| 377 | virtual ~egl_pbuffer_surface_t(); |
| 378 | |
| 379 | virtual bool isValid() const { return pbuffer.data != 0; } |
| 380 | virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); |
| 381 | virtual EGLBoolean bindReadSurface(ogles_context_t* gl); |
| 382 | virtual EGLint getWidth() const { return pbuffer.width; } |
| 383 | virtual EGLint getHeight() const { return pbuffer.height; } |
| 384 | virtual void* getBits() const { return pbuffer.data; } |
| 385 | private: |
| 386 | GGLSurface pbuffer; |
| 387 | }; |
| 388 | |
| 389 | egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, |
| 390 | EGLConfig config, int32_t depthFormat, |
| 391 | int32_t w, int32_t h, int32_t f) |
| 392 | : egl_surface_t(dpy, config, depthFormat) |
| 393 | { |
| 394 | size_t size = w*h; |
| 395 | switch (f) { |
| 396 | case GGL_PIXEL_FORMAT_A_8: size *= 1; break; |
| 397 | case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; |
| 398 | case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; |
| 399 | default: |
| 400 | LOGE("incompatible pixel format for pbuffer (format=%d)", f); |
| 401 | pbuffer.data = 0; |
| 402 | break; |
| 403 | } |
| 404 | pbuffer.version = sizeof(GGLSurface); |
| 405 | pbuffer.width = w; |
| 406 | pbuffer.height = h; |
| 407 | pbuffer.stride = w; |
| 408 | pbuffer.data = (GGLubyte*)malloc(size); |
| 409 | pbuffer.format = f; |
| 410 | |
| 411 | if (depthFormat) { |
| 412 | depth.width = pbuffer.width; |
| 413 | depth.height = pbuffer.height; |
| 414 | depth.stride = depth.width; // use the width here |
| 415 | depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); |
| 416 | if (depth.data == 0) { |
| 417 | setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| 418 | return; |
| 419 | } |
| 420 | } |
| 421 | } |
| 422 | egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { |
| 423 | free(pbuffer.data); |
| 424 | } |
| 425 | EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) |
| 426 | { |
| 427 | gl->rasterizer.procs.colorBuffer(gl, &pbuffer); |
| 428 | if (depth.data != gl->rasterizer.state.buffers.depth.data) |
| 429 | gl->rasterizer.procs.depthBuffer(gl, &depth); |
| 430 | return EGL_TRUE; |
| 431 | } |
| 432 | EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) |
| 433 | { |
| 434 | gl->rasterizer.procs.readBuffer(gl, &pbuffer); |
| 435 | return EGL_TRUE; |
| 436 | } |
| 437 | |
| 438 | // ---------------------------------------------------------------------------- |
| 439 | |
| 440 | struct config_pair_t { |
| 441 | GLint key; |
| 442 | GLint value; |
| 443 | }; |
| 444 | |
| 445 | struct configs_t { |
| 446 | const config_pair_t* array; |
| 447 | int size; |
| 448 | }; |
| 449 | |
| 450 | struct config_management_t { |
| 451 | GLint key; |
| 452 | bool (*match)(GLint reqValue, GLint confValue); |
| 453 | static bool atLeast(GLint reqValue, GLint confValue) { |
| 454 | return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); |
| 455 | } |
| 456 | static bool exact(GLint reqValue, GLint confValue) { |
| 457 | return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); |
| 458 | } |
| 459 | static bool mask(GLint reqValue, GLint confValue) { |
| 460 | return (confValue & reqValue) == reqValue; |
| 461 | } |
| 462 | }; |
| 463 | |
| 464 | // ---------------------------------------------------------------------------- |
| 465 | |
| 466 | #define VERSION_MAJOR 1 |
| 467 | #define VERSION_MINOR 2 |
| 468 | static char const * const gVendorString = "Google Inc."; |
| 469 | static char const * const gVersionString = "1.2 Android Driver"; |
| 470 | static char const * const gClientApiString = "OpenGL ES"; |
| 471 | static char const * const gExtensionsString = ""; |
| 472 | |
| 473 | // ---------------------------------------------------------------------------- |
| 474 | |
| 475 | struct extention_map_t { |
| 476 | const char * const name; |
| 477 | __eglMustCastToProperFunctionPointerType address; |
| 478 | }; |
| 479 | |
| 480 | static const extention_map_t gExtentionMap[] = { |
| 481 | { "glDrawTexsOES", (void(*)())&glDrawTexsOES }, |
| 482 | { "glDrawTexiOES", (void(*)())&glDrawTexiOES }, |
| 483 | { "glDrawTexfOES", (void(*)())&glDrawTexfOES }, |
| 484 | { "glDrawTexxOES", (void(*)())&glDrawTexxOES }, |
| 485 | { "glDrawTexsvOES", (void(*)())&glDrawTexsvOES }, |
| 486 | { "glDrawTexivOES", (void(*)())&glDrawTexivOES }, |
| 487 | { "glDrawTexfvOES", (void(*)())&glDrawTexfvOES }, |
| 488 | { "glDrawTexxvOES", (void(*)())&glDrawTexxvOES }, |
| 489 | { "glQueryMatrixxOES", (void(*)())&glQueryMatrixxOES }, |
| 490 | { "glClipPlanef", (void(*)())&glClipPlanef }, |
| 491 | { "glClipPlanex", (void(*)())&glClipPlanex }, |
| 492 | { "glBindBuffer", (void(*)())&glBindBuffer }, |
| 493 | { "glBufferData", (void(*)())&glBufferData }, |
| 494 | { "glBufferSubData", (void(*)())&glBufferSubData }, |
| 495 | { "glDeleteBuffers", (void(*)())&glDeleteBuffers }, |
| 496 | { "glGenBuffers", (void(*)())&glGenBuffers }, |
| 497 | }; |
| 498 | |
| 499 | /* |
| 500 | * In the lists below, attributes names MUST be sorted. |
| 501 | * Additionally, all configs must be sorted according to |
| 502 | * the EGL specification. |
| 503 | */ |
| 504 | |
| 505 | static config_pair_t const config_base_attribute_list[] = { |
| 506 | { EGL_STENCIL_SIZE, 0 }, |
| 507 | { EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG }, |
| 508 | { EGL_LEVEL, 0 }, |
| 509 | { EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS }, |
| 510 | { EGL_MAX_PBUFFER_PIXELS, |
| 511 | GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS }, |
| 512 | { EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS }, |
| 513 | { EGL_NATIVE_RENDERABLE, EGL_TRUE }, |
| 514 | { EGL_NATIVE_VISUAL_ID, 0 }, |
| 515 | { EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 }, |
| 516 | { EGL_SAMPLES, 0 }, |
| 517 | { EGL_SAMPLE_BUFFERS, 0 }, |
| 518 | { EGL_TRANSPARENT_TYPE, EGL_NONE }, |
| 519 | { EGL_TRANSPARENT_BLUE_VALUE, 0 }, |
| 520 | { EGL_TRANSPARENT_GREEN_VALUE, 0 }, |
| 521 | { EGL_TRANSPARENT_RED_VALUE, 0 }, |
| 522 | { EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE }, |
| 523 | { EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE }, |
| 524 | { EGL_MIN_SWAP_INTERVAL, 1 }, |
| 525 | { EGL_MAX_SWAP_INTERVAL, 4 }, |
| 526 | }; |
| 527 | |
| 528 | // These configs can override the base attribute list |
| 529 | // NOTE: when adding a config here, don't forget to update eglCreate*Surface() |
| 530 | |
| 531 | static config_pair_t const config_0_attribute_list[] = { |
| 532 | { EGL_BUFFER_SIZE, 16 }, |
| 533 | { EGL_ALPHA_SIZE, 0 }, |
| 534 | { EGL_BLUE_SIZE, 5 }, |
| 535 | { EGL_GREEN_SIZE, 6 }, |
| 536 | { EGL_RED_SIZE, 5 }, |
| 537 | { EGL_DEPTH_SIZE, 0 }, |
| 538 | { EGL_CONFIG_ID, 0 }, |
| 539 | { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| 540 | }; |
| 541 | |
| 542 | static config_pair_t const config_1_attribute_list[] = { |
| 543 | { EGL_BUFFER_SIZE, 16 }, |
| 544 | { EGL_ALPHA_SIZE, 0 }, |
| 545 | { EGL_BLUE_SIZE, 5 }, |
| 546 | { EGL_GREEN_SIZE, 6 }, |
| 547 | { EGL_RED_SIZE, 5 }, |
| 548 | { EGL_DEPTH_SIZE, 16 }, |
| 549 | { EGL_CONFIG_ID, 1 }, |
| 550 | { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| 551 | }; |
| 552 | |
| 553 | static config_pair_t const config_2_attribute_list[] = { |
| 554 | { EGL_BUFFER_SIZE, 32 }, |
| 555 | { EGL_ALPHA_SIZE, 8 }, |
| 556 | { EGL_BLUE_SIZE, 8 }, |
| 557 | { EGL_GREEN_SIZE, 8 }, |
| 558 | { EGL_RED_SIZE, 8 }, |
| 559 | { EGL_DEPTH_SIZE, 0 }, |
| 560 | { EGL_CONFIG_ID, 2 }, |
| 561 | { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| 562 | }; |
| 563 | |
| 564 | static config_pair_t const config_3_attribute_list[] = { |
| 565 | { EGL_BUFFER_SIZE, 32 }, |
| 566 | { EGL_ALPHA_SIZE, 8 }, |
| 567 | { EGL_BLUE_SIZE, 8 }, |
| 568 | { EGL_GREEN_SIZE, 8 }, |
| 569 | { EGL_RED_SIZE, 8 }, |
| 570 | { EGL_DEPTH_SIZE, 16 }, |
| 571 | { EGL_CONFIG_ID, 3 }, |
| 572 | { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| 573 | }; |
| 574 | |
| 575 | static config_pair_t const config_4_attribute_list[] = { |
| 576 | { EGL_BUFFER_SIZE, 8 }, |
| 577 | { EGL_ALPHA_SIZE, 8 }, |
| 578 | { EGL_BLUE_SIZE, 0 }, |
| 579 | { EGL_GREEN_SIZE, 0 }, |
| 580 | { EGL_RED_SIZE, 0 }, |
| 581 | { EGL_DEPTH_SIZE, 0 }, |
| 582 | { EGL_CONFIG_ID, 4 }, |
| 583 | { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| 584 | }; |
| 585 | |
| 586 | static config_pair_t const config_5_attribute_list[] = { |
| 587 | { EGL_BUFFER_SIZE, 8 }, |
| 588 | { EGL_ALPHA_SIZE, 8 }, |
| 589 | { EGL_BLUE_SIZE, 0 }, |
| 590 | { EGL_GREEN_SIZE, 0 }, |
| 591 | { EGL_RED_SIZE, 0 }, |
| 592 | { EGL_DEPTH_SIZE, 16 }, |
| 593 | { EGL_CONFIG_ID, 5 }, |
| 594 | { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| 595 | }; |
| 596 | |
| 597 | static configs_t const gConfigs[] = { |
| 598 | { config_0_attribute_list, NELEM(config_0_attribute_list) }, |
| 599 | { config_1_attribute_list, NELEM(config_1_attribute_list) }, |
| 600 | { config_2_attribute_list, NELEM(config_2_attribute_list) }, |
| 601 | { config_3_attribute_list, NELEM(config_3_attribute_list) }, |
| 602 | { config_4_attribute_list, NELEM(config_4_attribute_list) }, |
| 603 | { config_5_attribute_list, NELEM(config_5_attribute_list) }, |
| 604 | }; |
| 605 | |
| 606 | static config_management_t const gConfigManagement[] = { |
| 607 | { EGL_BUFFER_SIZE, config_management_t::atLeast }, |
| 608 | { EGL_ALPHA_SIZE, config_management_t::atLeast }, |
| 609 | { EGL_BLUE_SIZE, config_management_t::atLeast }, |
| 610 | { EGL_GREEN_SIZE, config_management_t::atLeast }, |
| 611 | { EGL_RED_SIZE, config_management_t::atLeast }, |
| 612 | { EGL_DEPTH_SIZE, config_management_t::atLeast }, |
| 613 | { EGL_STENCIL_SIZE, config_management_t::atLeast }, |
| 614 | { EGL_CONFIG_CAVEAT, config_management_t::exact }, |
| 615 | { EGL_CONFIG_ID, config_management_t::exact }, |
| 616 | { EGL_LEVEL, config_management_t::exact }, |
| 617 | { EGL_MAX_PBUFFER_HEIGHT, config_management_t::exact }, |
| 618 | { EGL_MAX_PBUFFER_PIXELS, config_management_t::exact }, |
| 619 | { EGL_MAX_PBUFFER_WIDTH, config_management_t::exact }, |
| 620 | { EGL_NATIVE_RENDERABLE, config_management_t::exact }, |
| 621 | { EGL_NATIVE_VISUAL_ID, config_management_t::exact }, |
| 622 | { EGL_NATIVE_VISUAL_TYPE, config_management_t::exact }, |
| 623 | { EGL_SAMPLES, config_management_t::exact }, |
| 624 | { EGL_SAMPLE_BUFFERS, config_management_t::exact }, |
| 625 | { EGL_SURFACE_TYPE, config_management_t::mask }, |
| 626 | { EGL_TRANSPARENT_TYPE, config_management_t::exact }, |
| 627 | { EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact }, |
| 628 | { EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact }, |
| 629 | { EGL_TRANSPARENT_RED_VALUE, config_management_t::exact }, |
| 630 | { EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact }, |
| 631 | { EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact }, |
| 632 | { EGL_MIN_SWAP_INTERVAL, config_management_t::exact }, |
| 633 | { EGL_MAX_SWAP_INTERVAL, config_management_t::exact }, |
| 634 | }; |
| 635 | |
| 636 | static config_pair_t const config_defaults[] = { |
| 637 | { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, |
| 638 | }; |
| 639 | |
| 640 | // ---------------------------------------------------------------------------- |
| 641 | |
| 642 | template<typename T> |
| 643 | static int binarySearch(T const sortedArray[], int first, int last, EGLint key) |
| 644 | { |
| 645 | while (first <= last) { |
| 646 | int mid = (first + last) / 2; |
| 647 | if (key > sortedArray[mid].key) { |
| 648 | first = mid + 1; |
| 649 | } else if (key < sortedArray[mid].key) { |
| 650 | last = mid - 1; |
| 651 | } else { |
| 652 | return mid; |
| 653 | } |
| 654 | } |
| 655 | return -1; |
| 656 | } |
| 657 | |
| 658 | static int isAttributeMatching(int i, EGLint attr, EGLint val) |
| 659 | { |
| 660 | // look for the attribute in all of our configs |
| 661 | config_pair_t const* configFound = gConfigs[i].array; |
| 662 | int index = binarySearch<config_pair_t>( |
| 663 | gConfigs[i].array, |
| 664 | 0, gConfigs[i].size-1, |
| 665 | attr); |
| 666 | if (index < 0) { |
| 667 | configFound = config_base_attribute_list; |
| 668 | index = binarySearch<config_pair_t>( |
| 669 | config_base_attribute_list, |
| 670 | 0, NELEM(config_base_attribute_list)-1, |
| 671 | attr); |
| 672 | } |
| 673 | if (index >= 0) { |
| 674 | // attribute found, check if this config could match |
| 675 | int cfgMgtIndex = binarySearch<config_management_t>( |
| 676 | gConfigManagement, |
| 677 | 0, NELEM(gConfigManagement)-1, |
| 678 | attr); |
| 679 | if (index >= 0) { |
| 680 | bool match = gConfigManagement[cfgMgtIndex].match( |
| 681 | val, configFound[index].value); |
| 682 | if (match) { |
| 683 | // this config matches |
| 684 | return 1; |
| 685 | } |
| 686 | } else { |
| 687 | // attribute not found. this should NEVER happen. |
| 688 | } |
| 689 | } else { |
| 690 | // error, this attribute doesn't exist |
| 691 | } |
| 692 | return 0; |
| 693 | } |
| 694 | |
| 695 | static int makeCurrent(ogles_context_t* gl) |
| 696 | { |
| 697 | ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific(); |
| 698 | if (gl) { |
| 699 | egl_context_t* c = egl_context_t::context(gl); |
| 700 | if (c->flags & egl_context_t::IS_CURRENT) { |
| 701 | if (current != gl) { |
| 702 | // it is an error to set a context current, if it's already |
| 703 | // current to another thread |
| 704 | return -1; |
| 705 | } |
| 706 | } else { |
| 707 | if (current) { |
| 708 | // mark the current context as not current, and flush |
| 709 | glFlush(); |
| 710 | egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; |
| 711 | } |
| 712 | } |
| 713 | if (!(c->flags & egl_context_t::IS_CURRENT)) { |
| 714 | // The context is not current, make it current! |
| 715 | setGlThreadSpecific(gl); |
| 716 | c->flags |= egl_context_t::IS_CURRENT; |
| 717 | } |
| 718 | } else { |
| 719 | if (current) { |
| 720 | // mark the current context as not current, and flush |
| 721 | glFlush(); |
| 722 | egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; |
| 723 | } |
| 724 | // this thread has no context attached to it |
| 725 | setGlThreadSpecific(0); |
| 726 | } |
| 727 | return 0; |
| 728 | } |
| 729 | |
| 730 | static EGLBoolean getConfigAttrib(EGLDisplay dpy, EGLConfig config, |
| 731 | EGLint attribute, EGLint *value) |
| 732 | { |
| 733 | size_t numConfigs = NELEM(gConfigs); |
| 734 | int index = (int)config; |
| 735 | if (uint32_t(index) >= numConfigs) |
| 736 | return setError(EGL_BAD_CONFIG, EGL_FALSE); |
| 737 | |
| 738 | int attrIndex; |
| 739 | attrIndex = binarySearch<config_pair_t>( |
| 740 | gConfigs[index].array, |
| 741 | 0, gConfigs[index].size-1, |
| 742 | attribute); |
| 743 | if (attrIndex>=0) { |
| 744 | *value = gConfigs[index].array[attrIndex].value; |
| 745 | return EGL_TRUE; |
| 746 | } |
| 747 | |
| 748 | attrIndex = binarySearch<config_pair_t>( |
| 749 | config_base_attribute_list, |
| 750 | 0, NELEM(config_base_attribute_list)-1, |
| 751 | attribute); |
| 752 | if (attrIndex>=0) { |
| 753 | *value = config_base_attribute_list[attrIndex].value; |
| 754 | return EGL_TRUE; |
| 755 | } |
| 756 | return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); |
| 757 | } |
| 758 | |
| 759 | static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config, |
| 760 | NativeWindowType window, const EGLint *attrib_list) |
| 761 | { |
| 762 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 763 | return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); |
| 764 | if (window == 0) |
| 765 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 766 | |
| 767 | EGLint surfaceType; |
| 768 | if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) |
| 769 | return EGL_FALSE; |
| 770 | |
| 771 | if (!(surfaceType & EGL_WINDOW_BIT)) |
| 772 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 773 | |
| 774 | EGLint configID; |
| 775 | if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) |
| 776 | return EGL_FALSE; |
| 777 | |
| 778 | int32_t depthFormat; |
| 779 | int32_t pixelFormat; |
| 780 | switch(configID) { |
| 781 | case 0: |
| 782 | pixelFormat = GGL_PIXEL_FORMAT_RGB_565; |
| 783 | depthFormat = 0; |
| 784 | break; |
| 785 | case 1: |
| 786 | pixelFormat = GGL_PIXEL_FORMAT_RGB_565; |
| 787 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 788 | break; |
| 789 | case 2: |
| 790 | pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| 791 | depthFormat = 0; |
| 792 | break; |
| 793 | case 3: |
| 794 | pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| 795 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 796 | break; |
| 797 | case 4: |
| 798 | pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| 799 | depthFormat = 0; |
| 800 | break; |
| 801 | case 5: |
| 802 | pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| 803 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 804 | break; |
| 805 | default: |
| 806 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 807 | } |
| 808 | |
| 809 | // FIXME: we don't have access to the pixelFormat here just yet. |
| 810 | // (it's possible that the surface is not fully initialized) |
| 811 | // maybe this should be done after the page-flip |
| 812 | //if (EGLint(info.format) != pixelFormat) |
| 813 | // return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 814 | |
| 815 | egl_surface_t* surface = |
| 816 | new egl_window_surface_t(dpy, config, depthFormat, |
| 817 | static_cast<egl_native_window_t*>(window)); |
| 818 | |
| 819 | if (!surface->isValid()) { |
| 820 | // there was a problem in the ctor, the error |
| 821 | // flag has been set. |
| 822 | delete surface; |
| 823 | surface = 0; |
| 824 | } |
| 825 | return surface; |
| 826 | } |
| 827 | |
| 828 | static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config, |
| 829 | NativePixmapType pixmap, const EGLint *attrib_list) |
| 830 | { |
| 831 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 832 | return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); |
| 833 | if (pixmap == 0) |
| 834 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 835 | |
| 836 | EGLint surfaceType; |
| 837 | if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) |
| 838 | return EGL_FALSE; |
| 839 | |
| 840 | if (!(surfaceType & EGL_PIXMAP_BIT)) |
| 841 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 842 | |
| 843 | EGLint configID; |
| 844 | if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) |
| 845 | return EGL_FALSE; |
| 846 | |
| 847 | int32_t depthFormat; |
| 848 | int32_t pixelFormat; |
| 849 | switch(configID) { |
| 850 | case 0: |
| 851 | pixelFormat = GGL_PIXEL_FORMAT_RGB_565; |
| 852 | depthFormat = 0; |
| 853 | break; |
| 854 | case 1: |
| 855 | pixelFormat = GGL_PIXEL_FORMAT_RGB_565; |
| 856 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 857 | break; |
| 858 | case 2: |
| 859 | pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| 860 | depthFormat = 0; |
| 861 | break; |
| 862 | case 3: |
| 863 | pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| 864 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 865 | break; |
| 866 | case 4: |
| 867 | pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| 868 | depthFormat = 0; |
| 869 | break; |
| 870 | case 5: |
| 871 | pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| 872 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 873 | break; |
| 874 | default: |
| 875 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 876 | } |
| 877 | |
| 878 | if (pixmap->format != pixelFormat) |
| 879 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 880 | |
| 881 | egl_surface_t* surface = |
| 882 | new egl_pixmap_surface_t(dpy, config, depthFormat, |
| 883 | static_cast<egl_native_pixmap_t*>(pixmap)); |
| 884 | |
| 885 | if (!surface->isValid()) { |
| 886 | // there was a problem in the ctor, the error |
| 887 | // flag has been set. |
| 888 | delete surface; |
| 889 | surface = 0; |
| 890 | } |
| 891 | return surface; |
| 892 | } |
| 893 | |
| 894 | static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config, |
| 895 | const EGLint *attrib_list) |
| 896 | { |
| 897 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 898 | return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); |
| 899 | |
| 900 | EGLint surfaceType; |
| 901 | if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) |
| 902 | return EGL_FALSE; |
| 903 | |
| 904 | if (!(surfaceType & EGL_PBUFFER_BIT)) |
| 905 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 906 | |
| 907 | EGLint configID; |
| 908 | if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) |
| 909 | return EGL_FALSE; |
| 910 | |
| 911 | int32_t depthFormat; |
| 912 | int32_t pixelFormat; |
| 913 | switch(configID) { |
| 914 | case 0: |
| 915 | pixelFormat = GGL_PIXEL_FORMAT_RGB_565; |
| 916 | depthFormat = 0; |
| 917 | break; |
| 918 | case 1: |
| 919 | pixelFormat = GGL_PIXEL_FORMAT_RGB_565; |
| 920 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 921 | break; |
| 922 | case 2: |
| 923 | pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| 924 | depthFormat = 0; |
| 925 | break; |
| 926 | case 3: |
| 927 | pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| 928 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 929 | break; |
| 930 | case 4: |
| 931 | pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| 932 | depthFormat = 0; |
| 933 | break; |
| 934 | case 5: |
| 935 | pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| 936 | depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| 937 | break; |
| 938 | default: |
| 939 | return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| 940 | } |
| 941 | |
| 942 | int32_t w = 0; |
| 943 | int32_t h = 0; |
| 944 | while (attrib_list[0]) { |
| 945 | if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1]; |
| 946 | if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1]; |
| 947 | attrib_list+=2; |
| 948 | } |
| 949 | |
| 950 | egl_surface_t* surface = |
| 951 | new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat); |
| 952 | |
| 953 | if (!surface->isValid()) { |
| 954 | // there was a problem in the ctor, the error |
| 955 | // flag has been set. |
| 956 | delete surface; |
| 957 | surface = 0; |
| 958 | } |
| 959 | return surface; |
| 960 | } |
| 961 | |
| 962 | // ---------------------------------------------------------------------------- |
| 963 | }; // namespace android |
| 964 | // ---------------------------------------------------------------------------- |
| 965 | |
| 966 | using namespace android; |
| 967 | |
| 968 | // ---------------------------------------------------------------------------- |
| 969 | // Initialization |
| 970 | // ---------------------------------------------------------------------------- |
| 971 | |
| 972 | EGLDisplay eglGetDisplay(NativeDisplayType display) |
| 973 | { |
| 974 | #ifndef HAVE_ANDROID_OS |
| 975 | // this just needs to be done once |
| 976 | if (gGLKey == -1) { |
| 977 | pthread_mutex_lock(&gInitMutex); |
| 978 | if (gGLKey == -1) |
| 979 | pthread_key_create(&gGLKey, NULL); |
| 980 | pthread_mutex_unlock(&gInitMutex); |
| 981 | } |
| 982 | #endif |
| 983 | if (display == EGL_DEFAULT_DISPLAY) { |
| 984 | EGLDisplay dpy = (EGLDisplay)1; |
| 985 | egl_display_t& d = egl_display_t::get_display(dpy); |
| 986 | d.type = display; |
| 987 | return dpy; |
| 988 | } |
| 989 | return EGL_NO_DISPLAY; |
| 990 | } |
| 991 | |
| 992 | EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) |
| 993 | { |
| 994 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 995 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 996 | |
| 997 | EGLBoolean res = EGL_TRUE; |
| 998 | egl_display_t& d = egl_display_t::get_display(dpy); |
| 999 | |
| 1000 | if (android_atomic_inc(&d.initialized) == 0) { |
| 1001 | // initialize stuff here if needed |
| 1002 | //pthread_mutex_lock(&gInitMutex); |
| 1003 | //pthread_mutex_unlock(&gInitMutex); |
| 1004 | } |
| 1005 | |
| 1006 | if (res == EGL_TRUE) { |
| 1007 | if (major != NULL) *major = VERSION_MAJOR; |
| 1008 | if (minor != NULL) *minor = VERSION_MINOR; |
| 1009 | } |
| 1010 | return res; |
| 1011 | } |
| 1012 | |
| 1013 | EGLBoolean eglTerminate(EGLDisplay dpy) |
| 1014 | { |
| 1015 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1016 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1017 | |
| 1018 | EGLBoolean res = EGL_TRUE; |
| 1019 | egl_display_t& d = egl_display_t::get_display(dpy); |
| 1020 | if (android_atomic_dec(&d.initialized) == 1) { |
| 1021 | // TODO: destroy all resources (surfaces, contexts, etc...) |
| 1022 | //pthread_mutex_lock(&gInitMutex); |
| 1023 | //pthread_mutex_unlock(&gInitMutex); |
| 1024 | } |
| 1025 | return res; |
| 1026 | } |
| 1027 | |
| 1028 | // ---------------------------------------------------------------------------- |
| 1029 | // configuration |
| 1030 | // ---------------------------------------------------------------------------- |
| 1031 | |
| 1032 | EGLBoolean eglGetConfigs( EGLDisplay dpy, |
| 1033 | EGLConfig *configs, |
| 1034 | EGLint config_size, EGLint *num_config) |
| 1035 | { |
| 1036 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1037 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1038 | |
| 1039 | GLint numConfigs = NELEM(gConfigs); |
| 1040 | if (!configs) { |
| 1041 | *num_config = numConfigs; |
| 1042 | return EGL_TRUE; |
| 1043 | } |
| 1044 | GLint i; |
| 1045 | for (i=0 ; i<numConfigs && i<config_size ; i++) { |
| 1046 | *configs++ = (EGLConfig)i; |
| 1047 | } |
| 1048 | *num_config = i; |
| 1049 | return EGL_TRUE; |
| 1050 | } |
| 1051 | |
| 1052 | EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, |
| 1053 | EGLConfig *configs, EGLint config_size, |
| 1054 | EGLint *num_config) |
| 1055 | { |
| 1056 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1057 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
Jack Palevich | 1badb71 | 2009-03-25 15:12:17 -0700 | [diff] [blame^] | 1058 | |
| 1059 | if (ggl_unlikely(num_config==0)) { |
| 1060 | return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| 1061 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1062 | |
Jack Palevich | 1badb71 | 2009-03-25 15:12:17 -0700 | [diff] [blame^] | 1063 | if (ggl_unlikely(attrib_list==0)) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1064 | *num_config = 0; |
| 1065 | return EGL_TRUE; |
| 1066 | } |
| 1067 | |
| 1068 | int numAttributes = 0; |
| 1069 | int numConfigs = NELEM(gConfigs); |
| 1070 | uint32_t possibleMatch = (1<<numConfigs)-1; |
| 1071 | while(possibleMatch && *attrib_list != EGL_NONE) { |
| 1072 | numAttributes++; |
| 1073 | EGLint attr = *attrib_list++; |
| 1074 | EGLint val = *attrib_list++; |
| 1075 | for (int i=0 ; i<numConfigs ; i++) { |
| 1076 | if (!(possibleMatch & (1<<i))) |
| 1077 | continue; |
| 1078 | if (isAttributeMatching(i, attr, val) == 0) { |
| 1079 | possibleMatch &= ~(1<<i); |
| 1080 | } |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | // now, handle the attributes which have a useful default value |
| 1085 | for (size_t j=0 ; j<NELEM(config_defaults) ; j++) { |
| 1086 | // see if this attribute was specified, if not apply its |
| 1087 | // default value |
| 1088 | if (binarySearch<config_pair_t>( |
| 1089 | (config_pair_t const*)attrib_list, |
| 1090 | 0, numAttributes, |
| 1091 | config_defaults[j].key) < 0) |
| 1092 | { |
| 1093 | for (int i=0 ; i<numConfigs ; i++) { |
| 1094 | if (!(possibleMatch & (1<<i))) |
| 1095 | continue; |
| 1096 | if (isAttributeMatching(i, |
| 1097 | config_defaults[j].key, |
| 1098 | config_defaults[j].value) == 0) |
| 1099 | { |
| 1100 | possibleMatch &= ~(1<<i); |
| 1101 | } |
| 1102 | } |
| 1103 | } |
| 1104 | } |
| 1105 | |
| 1106 | // return the configurations found |
| 1107 | int n=0; |
| 1108 | if (possibleMatch) { |
Jack Palevich | 1badb71 | 2009-03-25 15:12:17 -0700 | [diff] [blame^] | 1109 | if (configs) { |
| 1110 | for (int i=0 ; config_size && i<numConfigs ; i++) { |
| 1111 | if (possibleMatch & (1<<i)) { |
| 1112 | *configs++ = (EGLConfig)i; |
| 1113 | config_size--; |
| 1114 | n++; |
| 1115 | } |
| 1116 | } |
| 1117 | } else { |
| 1118 | for (int i=0 ; i<numConfigs ; i++) { |
| 1119 | if (possibleMatch & (1<<i)) { |
| 1120 | n++; |
| 1121 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1122 | } |
| 1123 | } |
| 1124 | } |
| 1125 | *num_config = n; |
| 1126 | return EGL_TRUE; |
| 1127 | } |
| 1128 | |
| 1129 | EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, |
| 1130 | EGLint attribute, EGLint *value) |
| 1131 | { |
| 1132 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1133 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1134 | |
| 1135 | return getConfigAttrib(dpy, config, attribute, value); |
| 1136 | } |
| 1137 | |
| 1138 | // ---------------------------------------------------------------------------- |
| 1139 | // surfaces |
| 1140 | // ---------------------------------------------------------------------------- |
| 1141 | |
| 1142 | EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, |
| 1143 | NativeWindowType window, |
| 1144 | const EGLint *attrib_list) |
| 1145 | { |
| 1146 | return createWindowSurface(dpy, config, window, attrib_list); |
| 1147 | } |
| 1148 | |
| 1149 | EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, |
| 1150 | NativePixmapType pixmap, |
| 1151 | const EGLint *attrib_list) |
| 1152 | { |
| 1153 | return createPixmapSurface(dpy, config, pixmap, attrib_list); |
| 1154 | } |
| 1155 | |
| 1156 | EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, |
| 1157 | const EGLint *attrib_list) |
| 1158 | { |
| 1159 | return createPbufferSurface(dpy, config, attrib_list); |
| 1160 | } |
| 1161 | |
| 1162 | EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface) |
| 1163 | { |
| 1164 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1165 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1166 | if (eglSurface != EGL_NO_SURFACE) { |
| 1167 | egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) ); |
| 1168 | if (surface->magic != egl_surface_t::MAGIC) |
| 1169 | return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| 1170 | if (surface->dpy != dpy) |
| 1171 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1172 | delete surface; |
| 1173 | } |
| 1174 | return EGL_TRUE; |
| 1175 | } |
| 1176 | |
| 1177 | EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface, |
| 1178 | EGLint attribute, EGLint *value) |
| 1179 | { |
| 1180 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1181 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1182 | egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface); |
| 1183 | if (surface->dpy != dpy) |
| 1184 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1185 | |
| 1186 | EGLBoolean ret = EGL_TRUE; |
| 1187 | switch (attribute) { |
| 1188 | case EGL_CONFIG_ID: |
| 1189 | ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value); |
| 1190 | break; |
| 1191 | case EGL_WIDTH: |
| 1192 | *value = surface->getWidth(); |
| 1193 | break; |
| 1194 | case EGL_HEIGHT: |
| 1195 | *value = surface->getHeight(); |
| 1196 | break; |
| 1197 | case EGL_LARGEST_PBUFFER: |
| 1198 | // not modified for a window or pixmap surface |
| 1199 | break; |
| 1200 | case EGL_TEXTURE_FORMAT: |
| 1201 | *value = EGL_NO_TEXTURE; |
| 1202 | break; |
| 1203 | case EGL_TEXTURE_TARGET: |
| 1204 | *value = EGL_NO_TEXTURE; |
| 1205 | break; |
| 1206 | case EGL_MIPMAP_TEXTURE: |
| 1207 | *value = EGL_FALSE; |
| 1208 | break; |
| 1209 | case EGL_MIPMAP_LEVEL: |
| 1210 | *value = 0; |
| 1211 | break; |
| 1212 | case EGL_RENDER_BUFFER: |
| 1213 | // TODO: return the real RENDER_BUFFER here |
| 1214 | *value = EGL_BACK_BUFFER; |
| 1215 | break; |
| 1216 | case EGL_HORIZONTAL_RESOLUTION: |
| 1217 | // pixel/mm * EGL_DISPLAY_SCALING |
| 1218 | *value = surface->getHorizontalResolution(); |
| 1219 | break; |
| 1220 | case EGL_VERTICAL_RESOLUTION: |
| 1221 | // pixel/mm * EGL_DISPLAY_SCALING |
| 1222 | *value = surface->getVerticalResolution(); |
| 1223 | break; |
| 1224 | case EGL_PIXEL_ASPECT_RATIO: { |
| 1225 | // w/h * EGL_DISPLAY_SCALING |
| 1226 | int wr = surface->getHorizontalResolution(); |
| 1227 | int hr = surface->getVerticalResolution(); |
| 1228 | *value = (wr * EGL_DISPLAY_SCALING) / hr; |
| 1229 | } break; |
| 1230 | case EGL_SWAP_BEHAVIOR: |
| 1231 | *value = surface->getSwapBehavior(); |
| 1232 | break; |
| 1233 | default: |
| 1234 | ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); |
| 1235 | } |
| 1236 | return ret; |
| 1237 | } |
| 1238 | |
| 1239 | EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, |
| 1240 | EGLContext share_list, const EGLint *attrib_list) |
| 1241 | { |
| 1242 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1243 | return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); |
| 1244 | |
| 1245 | ogles_context_t* gl = ogles_init(sizeof(egl_context_t)); |
| 1246 | if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT); |
| 1247 | |
| 1248 | egl_context_t* c = static_cast<egl_context_t*>(gl->rasterizer.base); |
| 1249 | c->flags = egl_context_t::NEVER_CURRENT; |
| 1250 | c->dpy = dpy; |
| 1251 | c->config = config; |
| 1252 | c->read = 0; |
| 1253 | c->draw = 0; |
| 1254 | return (EGLContext)gl; |
| 1255 | } |
| 1256 | |
| 1257 | EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) |
| 1258 | { |
| 1259 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1260 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1261 | egl_context_t* c = egl_context_t::context(ctx); |
| 1262 | if (c->flags & egl_context_t::IS_CURRENT) |
| 1263 | setGlThreadSpecific(0); |
| 1264 | ogles_uninit((ogles_context_t*)ctx); |
| 1265 | return EGL_TRUE; |
| 1266 | } |
| 1267 | |
| 1268 | EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, |
| 1269 | EGLSurface read, EGLContext ctx) |
| 1270 | { |
| 1271 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1272 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1273 | if (draw) { |
| 1274 | egl_surface_t* s = (egl_surface_t*)draw; |
| 1275 | if (s->dpy != dpy) |
| 1276 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1277 | // TODO: check that draw and read are compatible with the context |
| 1278 | } |
| 1279 | |
| 1280 | EGLContext current_ctx = EGL_NO_CONTEXT; |
| 1281 | |
| 1282 | if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT)) |
| 1283 | return setError(EGL_BAD_MATCH, EGL_FALSE); |
| 1284 | |
| 1285 | if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT)) |
| 1286 | return setError(EGL_BAD_MATCH, EGL_FALSE); |
| 1287 | |
| 1288 | if (ctx == EGL_NO_CONTEXT) { |
| 1289 | // if we're detaching, we need the current context |
| 1290 | current_ctx = (EGLContext)getGlThreadSpecific(); |
| 1291 | } else { |
| 1292 | egl_context_t* c = egl_context_t::context(ctx); |
| 1293 | egl_surface_t* d = (egl_surface_t*)draw; |
| 1294 | egl_surface_t* r = (egl_surface_t*)read; |
| 1295 | if ((d && d->ctx && d->ctx != ctx) || |
| 1296 | (r && r->ctx && r->ctx != ctx)) { |
| 1297 | // once of the surface is bound to a context in another thread |
| 1298 | return setError(EGL_BAD_ACCESS, EGL_FALSE); |
| 1299 | } |
| 1300 | } |
| 1301 | |
| 1302 | ogles_context_t* gl = (ogles_context_t*)ctx; |
| 1303 | if (makeCurrent(gl) == 0) { |
| 1304 | if (ctx) { |
| 1305 | egl_context_t* c = egl_context_t::context(ctx); |
| 1306 | egl_surface_t* d = (egl_surface_t*)draw; |
| 1307 | egl_surface_t* r = (egl_surface_t*)read; |
| 1308 | c->read = read; |
| 1309 | c->draw = draw; |
| 1310 | if (c->flags & egl_context_t::NEVER_CURRENT) { |
| 1311 | c->flags &= ~egl_context_t::NEVER_CURRENT; |
| 1312 | GLint w = 0; |
| 1313 | GLint h = 0; |
| 1314 | if (draw) { |
| 1315 | w = d->getWidth(); |
| 1316 | h = d->getHeight(); |
| 1317 | } |
| 1318 | ogles_surfaceport(gl, 0, 0); |
| 1319 | ogles_viewport(gl, 0, 0, w, h); |
| 1320 | ogles_scissor(gl, 0, 0, w, h); |
| 1321 | } |
| 1322 | if (d) { |
| 1323 | d->ctx = ctx; |
| 1324 | d->bindDrawSurface(gl); |
| 1325 | } |
| 1326 | if (r) { |
| 1327 | r->ctx = ctx; |
| 1328 | r->bindReadSurface(gl); |
| 1329 | } |
| 1330 | } else { |
| 1331 | // if surfaces were bound to the context bound to this thread |
| 1332 | // mark then as unbound. |
| 1333 | if (current_ctx) { |
| 1334 | egl_context_t* c = egl_context_t::context(current_ctx); |
| 1335 | egl_surface_t* d = (egl_surface_t*)c->draw; |
| 1336 | egl_surface_t* r = (egl_surface_t*)c->read; |
| 1337 | if (d) d->ctx = EGL_NO_CONTEXT; |
| 1338 | if (r) r->ctx = EGL_NO_CONTEXT; |
| 1339 | } |
| 1340 | } |
| 1341 | return EGL_TRUE; |
| 1342 | } |
| 1343 | return setError(EGL_BAD_ACCESS, EGL_FALSE); |
| 1344 | } |
| 1345 | |
| 1346 | EGLContext eglGetCurrentContext(void) |
| 1347 | { |
| 1348 | // eglGetCurrentContext returns the current EGL rendering context, |
| 1349 | // as specified by eglMakeCurrent. If no context is current, |
| 1350 | // EGL_NO_CONTEXT is returned. |
| 1351 | return (EGLContext)getGlThreadSpecific(); |
| 1352 | } |
| 1353 | |
| 1354 | EGLSurface eglGetCurrentSurface(EGLint readdraw) |
| 1355 | { |
| 1356 | // eglGetCurrentSurface returns the read or draw surface attached |
| 1357 | // to the current EGL rendering context, as specified by eglMakeCurrent. |
| 1358 | // If no context is current, EGL_NO_SURFACE is returned. |
| 1359 | EGLContext ctx = (EGLContext)getGlThreadSpecific(); |
| 1360 | if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE; |
| 1361 | egl_context_t* c = egl_context_t::context(ctx); |
| 1362 | if (readdraw == EGL_READ) { |
| 1363 | return c->read; |
| 1364 | } else if (readdraw == EGL_DRAW) { |
| 1365 | return c->draw; |
| 1366 | } |
| 1367 | return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| 1368 | } |
| 1369 | |
| 1370 | EGLDisplay eglGetCurrentDisplay(void) |
| 1371 | { |
| 1372 | // eglGetCurrentDisplay returns the current EGL display connection |
| 1373 | // for the current EGL rendering context, as specified by eglMakeCurrent. |
| 1374 | // If no context is current, EGL_NO_DISPLAY is returned. |
| 1375 | EGLContext ctx = (EGLContext)getGlThreadSpecific(); |
| 1376 | if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY; |
| 1377 | egl_context_t* c = egl_context_t::context(ctx); |
| 1378 | return c->dpy; |
| 1379 | } |
| 1380 | |
| 1381 | EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, |
| 1382 | EGLint attribute, EGLint *value) |
| 1383 | { |
| 1384 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1385 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1386 | egl_context_t* c = egl_context_t::context(ctx); |
| 1387 | switch (attribute) { |
| 1388 | case EGL_CONFIG_ID: |
| 1389 | // Returns the ID of the EGL frame buffer configuration with |
| 1390 | // respect to which the context was created |
| 1391 | return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value); |
| 1392 | } |
| 1393 | return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); |
| 1394 | } |
| 1395 | |
| 1396 | EGLBoolean eglWaitGL(void) |
| 1397 | { |
| 1398 | return EGL_TRUE; |
| 1399 | } |
| 1400 | |
| 1401 | EGLBoolean eglWaitNative(EGLint engine) |
| 1402 | { |
| 1403 | return EGL_TRUE; |
| 1404 | } |
| 1405 | |
| 1406 | EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) |
| 1407 | { |
| 1408 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1409 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1410 | |
| 1411 | egl_surface_t* d = static_cast<egl_surface_t*>(draw); |
| 1412 | if (d->dpy != dpy) |
| 1413 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1414 | |
| 1415 | // post the surface |
| 1416 | d->swapBuffers(); |
| 1417 | |
| 1418 | // if it's bound to a context, update the buffer |
| 1419 | if (d->ctx != EGL_NO_CONTEXT) { |
| 1420 | d->bindDrawSurface((ogles_context_t*)d->ctx); |
| 1421 | // if this surface is also the read surface of the context |
| 1422 | // it is bound to, make sure to update the read buffer as well. |
| 1423 | // The EGL spec is a little unclear about this. |
| 1424 | egl_context_t* c = egl_context_t::context(d->ctx); |
| 1425 | if (c->read == draw) { |
| 1426 | d->bindReadSurface((ogles_context_t*)d->ctx); |
| 1427 | } |
| 1428 | } |
| 1429 | |
| 1430 | return EGL_TRUE; |
| 1431 | } |
| 1432 | |
| 1433 | EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface, |
| 1434 | NativePixmapType target) |
| 1435 | { |
| 1436 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1437 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1438 | // TODO: eglCopyBuffers() |
| 1439 | return EGL_FALSE; |
| 1440 | } |
| 1441 | |
| 1442 | EGLint eglGetError(void) |
| 1443 | { |
| 1444 | return getError(); |
| 1445 | } |
| 1446 | |
| 1447 | const char* eglQueryString(EGLDisplay dpy, EGLint name) |
| 1448 | { |
| 1449 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1450 | return setError(EGL_BAD_DISPLAY, (const char*)0); |
| 1451 | |
| 1452 | switch (name) { |
| 1453 | case EGL_VENDOR: |
| 1454 | return gVendorString; |
| 1455 | case EGL_VERSION: |
| 1456 | return gVersionString; |
| 1457 | case EGL_EXTENSIONS: |
| 1458 | return gExtensionsString; |
| 1459 | case EGL_CLIENT_APIS: |
| 1460 | return gClientApiString; |
| 1461 | } |
| 1462 | return setError(EGL_BAD_PARAMETER, (const char *)0); |
| 1463 | } |
| 1464 | |
| 1465 | // ---------------------------------------------------------------------------- |
| 1466 | // EGL 1.1 |
| 1467 | // ---------------------------------------------------------------------------- |
| 1468 | |
| 1469 | EGLBoolean eglSurfaceAttrib( |
| 1470 | EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) |
| 1471 | { |
| 1472 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1473 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1474 | // TODO: eglSurfaceAttrib() |
| 1475 | return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| 1476 | } |
| 1477 | |
| 1478 | EGLBoolean eglBindTexImage( |
| 1479 | EGLDisplay dpy, EGLSurface surface, EGLint buffer) |
| 1480 | { |
| 1481 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1482 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1483 | // TODO: eglBindTexImage() |
| 1484 | return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| 1485 | } |
| 1486 | |
| 1487 | EGLBoolean eglReleaseTexImage( |
| 1488 | EGLDisplay dpy, EGLSurface surface, EGLint buffer) |
| 1489 | { |
| 1490 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1491 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1492 | // TODO: eglReleaseTexImage() |
| 1493 | return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| 1494 | } |
| 1495 | |
| 1496 | EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval) |
| 1497 | { |
| 1498 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1499 | return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| 1500 | // TODO: eglSwapInterval() |
| 1501 | return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| 1502 | } |
| 1503 | |
| 1504 | // ---------------------------------------------------------------------------- |
| 1505 | // EGL 1.2 |
| 1506 | // ---------------------------------------------------------------------------- |
| 1507 | |
| 1508 | EGLBoolean eglBindAPI(EGLenum api) |
| 1509 | { |
| 1510 | if (api != EGL_OPENGL_ES_API) |
| 1511 | return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| 1512 | return EGL_TRUE; |
| 1513 | } |
| 1514 | |
| 1515 | EGLenum eglQueryAPI(void) |
| 1516 | { |
| 1517 | return EGL_OPENGL_ES_API; |
| 1518 | } |
| 1519 | |
| 1520 | EGLBoolean eglWaitClient(void) |
| 1521 | { |
| 1522 | glFinish(); |
| 1523 | return EGL_TRUE; |
| 1524 | } |
| 1525 | |
| 1526 | EGLBoolean eglReleaseThread(void) |
| 1527 | { |
| 1528 | // TODO: eglReleaseThread() |
| 1529 | return EGL_TRUE; |
| 1530 | } |
| 1531 | |
| 1532 | EGLSurface eglCreatePbufferFromClientBuffer( |
| 1533 | EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, |
| 1534 | EGLConfig config, const EGLint *attrib_list) |
| 1535 | { |
| 1536 | if (egl_display_t::is_valid(dpy) == EGL_FALSE) |
| 1537 | return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); |
| 1538 | // TODO: eglCreatePbufferFromClientBuffer() |
| 1539 | return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| 1540 | } |
| 1541 | |
| 1542 | // ---------------------------------------------------------------------------- |
| 1543 | // Android extensions |
| 1544 | // ---------------------------------------------------------------------------- |
| 1545 | |
| 1546 | void (*eglGetProcAddress (const char *procname))() |
| 1547 | { |
| 1548 | extention_map_t const * const map = gExtentionMap; |
| 1549 | for (uint32_t i=0 ; i<NELEM(gExtentionMap) ; i++) { |
| 1550 | if (!strcmp(procname, map[i].name)) { |
| 1551 | return map[i].address; |
| 1552 | } |
| 1553 | } |
| 1554 | return NULL; |
| 1555 | } |