src/egl/drivers/haiku/egl_haiku.cpp

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2014 Adrián Arroyo Calle <adrian.arroyocalle@gmail.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include <errno.h>
  26 #include <dlfcn.h>
  27 #include <stdint.h>
  28 #include <stdio.h>
  29
  30 #include "eglconfig.h"
  31 #include "eglcontext.h"
  32 #include "egldisplay.h"
  33 #include "egldriver.h"
  34 #include "eglcurrent.h"
  35 #include "egllog.h"
  36 #include "eglsurface.h"
  37 #include "eglimage.h"
  38 #include "egltypedefs.h"
  39
  40 #include <InterfaceKit.h>
  41 #include <OpenGLKit.h>
  42
  43
  44 #ifdef DEBUG
  45 #       define TRACE(x...) printf("egl_haiku: " x)
  46 #       define CALLED() TRACE("CALLED: %s\n", __PRETTY_FUNCTION__)
  47 #else
  48 #       define TRACE(x...)
  49 #       define CALLED()
  50 #endif
  51 #define ERROR(x...) printf("egl_haiku: " x)
  52
  53
  54 _EGL_DRIVER_STANDARD_TYPECASTS(haiku_egl)
  55
  56
  57 struct haiku_egl_driver
  58 {
  59         _EGLDriver base;
  60 };
  61
  62 struct haiku_egl_config
  63 {
  64         _EGLConfig         base;
  65 };
  66
  67 struct haiku_egl_context
  68 {
  69         _EGLContext     ctx;
  70 };
  71
  72 struct haiku_egl_surface
  73 {
  74         _EGLSurface surf;
  75         BGLView* gl;
  76 };
  77
  78
  79 static void
  80 haiku_log(EGLint level, const char *msg)
  81 {
  82         switch (level) {
  83                 case _EGL_DEBUG:
  84                         fprintf(stderr,"%s", msg);
  85                         break;
  86                 case _EGL_INFO:
  87                         fprintf(stderr,"%s", msg);
  88                         break;
  89                 case _EGL_WARNING:
  90                         fprintf(stderr,"%s", msg);
  91                         break;
  92                 case _EGL_FATAL:
  93                         fprintf(stderr,"%s", msg);
  94                         break;
  95                 default:
  96                         break;
  97         }
  98 }
  99
 100
 101 /**
 102  * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
 103  */
 104 static _EGLSurface *
 105 haiku_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
 106         _EGLConfig *conf, void *native_surface, const EGLint *attrib_list)
 107 {
 108         return NULL;
 109 }
 110
 111
 112 /**
 113  * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
 114  */
 115 static _EGLSurface *
 116 haiku_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
 117         _EGLConfig *conf, void *native_window, const EGLint *attrib_list)
 118 {
 119         CALLED();
 120
 121         struct haiku_egl_surface* surface;
 122         surface = (struct haiku_egl_surface*) calloc(1, sizeof (*surface));
 123         if (!surface) {
 124                 _eglError(EGL_BAD_ALLOC, "haiku_create_window_surface");
 125                 return NULL;
 126         }
 127
 128         if (!_eglInitSurface(&surface->surf, disp, EGL_WINDOW_BIT, conf, attrib_list))
 129                 goto cleanup_surface;
 130
 131         (&surface->surf)->SwapInterval = 1;
 132
 133         TRACE("Creating window\n");
 134         BWindow* win = (BWindow*)native_window;
 135
 136         TRACE("Creating GL view\n");
 137         surface->gl = new BGLView(win->Bounds(), "OpenGL", B_FOLLOW_ALL_SIDES, 0,
 138                 BGL_RGB | BGL_DOUBLE | BGL_ALPHA);
 139
 140         TRACE("Adding GL\n");
 141         win->AddChild(surface->gl);
 142
 143         TRACE("Showing window\n");
 144         win->Show();
 145         return &surface->surf;
 146
 147 cleanup_surface:
 148         free(surface);
 149         return NULL;
 150 }
 151
 152
 153 static _EGLSurface *
 154 haiku_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
 155         _EGLConfig *conf, void *native_pixmap, const EGLint *attrib_list)
 156 {
 157         return NULL;
 158 }
 159
 160
 161 static _EGLSurface *
 162 haiku_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
 163         _EGLConfig *conf, const EGLint *attrib_list)
 164 {
 165         return NULL;
 166 }
 167
 168
 169 static EGLBoolean
 170 haiku_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 171 {
 172         return EGL_TRUE;
 173 }
 174
 175
 176 static EGLBoolean
 177 haiku_add_configs_for_visuals(_EGLDisplay *dpy)
 178 {
 179         CALLED();
 180
 181         struct haiku_egl_config* conf;
 182         conf = (struct haiku_egl_config*) calloc(1, sizeof (*conf));
 183         if (!conf) {
 184                 _eglError(EGL_BAD_ALLOC, "haiku_add_configs_for_visuals");
 185                 return NULL;
 186         }
 187
 188         _eglInitConfig(&conf->base, dpy, 1);
 189         TRACE("Config inited\n");
 190
 191         _eglSetConfigKey(&conf->base, EGL_RED_SIZE, 8);
 192         _eglSetConfigKey(&conf->base, EGL_BLUE_SIZE, 8);
 193         _eglSetConfigKey(&conf->base, EGL_GREEN_SIZE, 8);
 194         _eglSetConfigKey(&conf->base, EGL_LUMINANCE_SIZE, 0);
 195         _eglSetConfigKey(&conf->base, EGL_ALPHA_SIZE, 8);
 196         _eglSetConfigKey(&conf->base, EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER);
 197         EGLint r = (_eglGetConfigKey(&conf->base, EGL_RED_SIZE)
 198                 + _eglGetConfigKey(&conf->base, EGL_GREEN_SIZE)
 199                 + _eglGetConfigKey(&conf->base, EGL_BLUE_SIZE)
 200                 + _eglGetConfigKey(&conf->base, EGL_ALPHA_SIZE));
 201         _eglSetConfigKey(&conf->base, EGL_BUFFER_SIZE, r);
 202         _eglSetConfigKey(&conf->base, EGL_CONFIG_CAVEAT, EGL_NONE);
 203         _eglSetConfigKey(&conf->base, EGL_CONFIG_ID, 1);
 204         _eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE);
 205         _eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE);
 206         _eglSetConfigKey(&conf->base, EGL_STENCIL_SIZE, 0);
 207         _eglSetConfigKey(&conf->base, EGL_TRANSPARENT_TYPE, EGL_NONE);
 208         _eglSetConfigKey(&conf->base, EGL_NATIVE_RENDERABLE, EGL_TRUE); // Let's say yes
 209         _eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_ID, 0); // No visual
 210         _eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_TYPE, EGL_NONE); // No visual
 211         _eglSetConfigKey(&conf->base, EGL_RENDERABLE_TYPE, 0x8);
 212         _eglSetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS, 0); // TODO: How to get the right value ?
 213         _eglSetConfigKey(&conf->base, EGL_SAMPLES, _eglGetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS) == 0 ? 0 : 0);
 214         _eglSetConfigKey(&conf->base, EGL_DEPTH_SIZE, 24); // TODO: How to get the right value ?
 215         _eglSetConfigKey(&conf->base, EGL_LEVEL, 0);
 216         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_WIDTH, 0); // TODO: How to get the right value ?
 217         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_HEIGHT, 0); // TODO: How to get the right value ?
 218         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_PIXELS, 0); // TODO: How to get the right value ?
 219         _eglSetConfigKey(&conf->base, EGL_SURFACE_TYPE, EGL_WINDOW_BIT /*| EGL_PIXMAP_BIT | EGL_PBUFFER_BIT*/);
 220
 221         TRACE("Config configuated\n");
 222         if (!_eglValidateConfig(&conf->base, EGL_FALSE)) {
 223                 _eglLog(_EGL_DEBUG, "Haiku: failed to validate config");
 224                 return EGL_FALSE;
 225         }
 226         TRACE("Validated config\n");
 227
 228         _eglLinkConfig(&conf->base);
 229         if (!_eglGetArraySize(dpy->Configs)) {
 230                 _eglLog(_EGL_WARNING, "Haiku: failed to create any config");
 231                 return EGL_FALSE;
 232         }
 233         TRACE("Config successfull\n");
 234
 235         return EGL_TRUE;
 236 }
 237
 238 extern "C"
 239 EGLBoolean
 240 init_haiku(_EGLDriver *drv, _EGLDisplay *dpy)
 241 {
 242         CALLED();
 243
 244         _eglSetLogProc(haiku_log);
 245
 246         TRACE("Add configs\n");
 247         haiku_add_configs_for_visuals(dpy);
 248
 249         dpy->Version = 14;
 250
 251         TRACE("Initialization finished\n");
 252
 253         return EGL_TRUE;
 254 }
 255
 256
 257 extern "C"
 258 EGLBoolean
 259 haiku_terminate(_EGLDriver* drv,_EGLDisplay* dpy)
 260 {
 261         return EGL_TRUE;
 262 }
 263
 264
 265 extern "C"
 266 _EGLContext*
 267 haiku_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
 268         _EGLContext *share_list, const EGLint *attrib_list)
 269 {
 270         CALLED();
 271
 272         struct haiku_egl_context* context;
 273         context = (struct haiku_egl_context*) calloc(1, sizeof (*context));
 274         if (!context) {
 275                 _eglError(EGL_BAD_ALLOC, "haiku_create_context");
 276                 return NULL;
 277         }
 278
 279         if (!_eglInitContext(&context->ctx, disp, conf, attrib_list))
 280                 ERROR("ERROR creating context");
 281
 282         TRACE("Context created\n");
 283         return &context->ctx;
 284 }
 285
 286
 287 extern "C"
 288 EGLBoolean
 289 haiku_destroy_context(_EGLDriver* drv, _EGLDisplay *disp, _EGLContext* ctx)
 290 {
 291         ctx=NULL;
 292         return EGL_TRUE;
 293 }
 294
 295
 296 extern "C"
 297 EGLBoolean
 298 haiku_make_current(_EGLDriver* drv, _EGLDisplay* dpy, _EGLSurface *dsurf,
 299                   _EGLSurface *rsurf, _EGLContext *ctx)
 300 {
 301         CALLED();
 302
 303         struct haiku_egl_context* cont=haiku_egl_context(ctx);
 304         struct haiku_egl_surface* surf=haiku_egl_surface(dsurf);
 305         _EGLContext *old_ctx;
 306     _EGLSurface *old_dsurf, *old_rsurf;
 307         _eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf);
 308         //cont->ctx.DrawSurface=&surf->surf;
 309         surf->gl->LockGL();
 310         return EGL_TRUE;
 311 }
 312
 313
 314 extern "C"
 315 EGLBoolean
 316 haiku_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
 317 {
 318         struct haiku_egl_surface* surface=haiku_egl_surface(surf);
 319         surface->gl->SwapBuffers();
 320         //gl->Render();
 321         return EGL_TRUE;
 322 }
 323
 324
 325 extern "C"
 326 void
 327 haiku_unload(_EGLDriver* drv)
 328 {
 329
 330 }
 331
 332
 333 /**
 334  * This is the main entrypoint into the driver, called by libEGL.
 335  * Create a new _EGLDriver object and init its dispatch table.
 336  */
 337 extern "C"
 338 _EGLDriver*
 339 _eglBuiltInDriverHaiku(const char *args)
 340 {
 341         CALLED();
 342
 343         struct haiku_egl_driver* driver;
 344         driver = (struct haiku_egl_driver*) calloc(1, sizeof(*driver));
 345         if (!driver) {
 346                 _eglError(EGL_BAD_ALLOC, "_eglBuiltInDriverHaiku");
 347                 return NULL;
 348         }
 349
 350         _eglInitDriverFallbacks(&driver->base);
 351         driver->base.API.Initialize = init_haiku;
 352         driver->base.API.Terminate = haiku_terminate;
 353         driver->base.API.CreateContext = haiku_create_context;
 354         driver->base.API.DestroyContext = haiku_destroy_context;
 355         driver->base.API.MakeCurrent = haiku_make_current;
 356         driver->base.API.CreateWindowSurface = haiku_create_window_surface;
 357         driver->base.API.CreatePixmapSurface = haiku_create_pixmap_surface;
 358         driver->base.API.CreatePbufferSurface = haiku_create_pbuffer_surface;
 359         driver->base.API.DestroySurface = haiku_destroy_surface;
 360
 361         driver->base.API.SwapBuffers = haiku_swap_buffers;
 362
 363         driver->base.Name = "Haiku";
 364         driver->base.Unload = haiku_unload;
 365
 366         TRACE("API Calls defined\n");
 367
 368         return &driver->base;
 369 }