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 "loader.h"
  31 #include "eglconfig.h"
  32 #include "eglcontext.h"
  33 #include "egldisplay.h"
  34 #include "egldriver.h"
  35 #include "eglcurrent.h"
  36 #include "egllog.h"
  37 #include "eglsurface.h"
  38 #include "eglimage.h"
  39 #include "egltypedefs.h"
  40
  41 #include <InterfaceKit.h>
  42 #include <OpenGLKit.h>
  43
  44
  45 #ifdef DEBUG
  46 #       define TRACE(x...) printf("egl_haiku: " x)
  47 #       define CALLED() TRACE("CALLED: %s\n", __PRETTY_FUNCTION__)
  48 #else
  49 #       define TRACE(x...)
  50 #       define CALLED()
  51 #endif
  52 #define ERROR(x...) printf("egl_haiku: " x)
  53
  54
  55 _EGL_DRIVER_STANDARD_TYPECASTS(haiku_egl)
  56
  57
  58 struct haiku_egl_driver
  59 {
  60         _EGLDriver base;
  61 };
  62
  63 struct haiku_egl_config
  64 {
  65         _EGLConfig         base;
  66 };
  67
  68 struct haiku_egl_context
  69 {
  70         _EGLContext     ctx;
  71 };
  72
  73 struct haiku_egl_surface
  74 {
  75         _EGLSurface surf;
  76         BGLView* gl;
  77 };
  78
  79
  80 static void
  81 haiku_log(EGLint level, const char *msg)
  82 {
  83         switch (level) {
  84                 case _EGL_DEBUG:
  85                         fprintf(stderr,"%s", msg);
  86                         break;
  87                 case _EGL_INFO:
  88                         fprintf(stderr,"%s", msg);
  89                         break;
  90                 case _EGL_WARNING:
  91                         fprintf(stderr,"%s", msg);
  92                         break;
  93                 case _EGL_FATAL:
  94                         fprintf(stderr,"%s", msg);
  95                         break;
  96                 default:
  97                         break;
  98         }
  99 }
 100
 101
 102 /**
 103  * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
 104  */
 105 static _EGLSurface *
 106 haiku_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
 107         _EGLConfig *conf, void *native_surface, const EGLint *attrib_list)
 108 {
 109         return NULL;
 110 }
 111
 112
 113 /**
 114  * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
 115  */
 116 static _EGLSurface *
 117 haiku_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
 118         _EGLConfig *conf, void *native_window, const EGLint *attrib_list)
 119 {
 120         CALLED();
 121
 122         struct haiku_egl_surface* surface;
 123         surface = (struct haiku_egl_surface*) calloc(1, sizeof (*surface));
 124         if (!surface) {
 125                 _eglError(EGL_BAD_ALLOC, "haiku_create_window_surface");
 126                 return NULL;
 127         }
 128
 129         if (!_eglInitSurface(&surface->surf, disp, EGL_WINDOW_BIT, conf, attrib_list))
 130                 goto cleanup_surface;
 131
 132         (&surface->surf)->SwapInterval = 1;
 133
 134         TRACE("Creating window\n");
 135         BWindow* win = (BWindow*)native_window;
 136
 137         TRACE("Creating GL view\n");
 138         surface->gl = new BGLView(win->Bounds(), "OpenGL", B_FOLLOW_ALL_SIDES, 0,
 139                 BGL_RGB | BGL_DOUBLE | BGL_ALPHA);
 140
 141         TRACE("Adding GL\n");
 142         win->AddChild(surface->gl);
 143
 144         TRACE("Showing window\n");
 145         win->Show();
 146         return &surface->surf;
 147
 148 cleanup_surface:
 149         free(surface);
 150         return NULL;
 151 }
 152
 153
 154 static _EGLSurface *
 155 haiku_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
 156         _EGLConfig *conf, void *native_pixmap, const EGLint *attrib_list)
 157 {
 158         return NULL;
 159 }
 160
 161
 162 static _EGLSurface *
 163 haiku_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
 164         _EGLConfig *conf, const EGLint *attrib_list)
 165 {
 166         return NULL;
 167 }
 168
 169
 170 static EGLBoolean
 171 haiku_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 172 {
 173         return EGL_TRUE;
 174 }
 175
 176
 177 static EGLBoolean
 178 haiku_add_configs_for_visuals(_EGLDisplay *dpy)
 179 {
 180         CALLED();
 181
 182         struct haiku_egl_config* conf;
 183         conf = (struct haiku_egl_config*) calloc(1, sizeof (*conf));
 184         if (!conf) {
 185                 _eglError(EGL_BAD_ALLOC, "haiku_add_configs_for_visuals");
 186                 return NULL;
 187         }
 188
 189         _eglInitConfig(&conf->base, dpy, 1);
 190         TRACE("Config inited\n");
 191
 192         _eglSetConfigKey(&conf->base, EGL_RED_SIZE, 8);
 193         _eglSetConfigKey(&conf->base, EGL_BLUE_SIZE, 8);
 194         _eglSetConfigKey(&conf->base, EGL_GREEN_SIZE, 8);
 195         _eglSetConfigKey(&conf->base, EGL_LUMINANCE_SIZE, 0);
 196         _eglSetConfigKey(&conf->base, EGL_ALPHA_SIZE, 8);
 197         _eglSetConfigKey(&conf->base, EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER);
 198         EGLint r = (_eglGetConfigKey(&conf->base, EGL_RED_SIZE)
 199                 + _eglGetConfigKey(&conf->base, EGL_GREEN_SIZE)
 200                 + _eglGetConfigKey(&conf->base, EGL_BLUE_SIZE)
 201                 + _eglGetConfigKey(&conf->base, EGL_ALPHA_SIZE));
 202         _eglSetConfigKey(&conf->base, EGL_BUFFER_SIZE, r);
 203         _eglSetConfigKey(&conf->base, EGL_CONFIG_CAVEAT, EGL_NONE);
 204         _eglSetConfigKey(&conf->base, EGL_CONFIG_ID, 1);
 205         _eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE);
 206         _eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE);
 207         _eglSetConfigKey(&conf->base, EGL_STENCIL_SIZE, 0);
 208         _eglSetConfigKey(&conf->base, EGL_TRANSPARENT_TYPE, EGL_NONE);
 209         _eglSetConfigKey(&conf->base, EGL_NATIVE_RENDERABLE, EGL_TRUE); // Let's say yes
 210         _eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_ID, 0); // No visual
 211         _eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_TYPE, EGL_NONE); // No visual
 212         _eglSetConfigKey(&conf->base, EGL_RENDERABLE_TYPE, 0x8);
 213         _eglSetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS, 0); // TODO: How to get the right value ?
 214         _eglSetConfigKey(&conf->base, EGL_SAMPLES, _eglGetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS) == 0 ? 0 : 0);
 215         _eglSetConfigKey(&conf->base, EGL_DEPTH_SIZE, 24); // TODO: How to get the right value ?
 216         _eglSetConfigKey(&conf->base, EGL_LEVEL, 0);
 217         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_WIDTH, 0); // TODO: How to get the right value ?
 218         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_HEIGHT, 0); // TODO: How to get the right value ?
 219         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_PIXELS, 0); // TODO: How to get the right value ?
 220         _eglSetConfigKey(&conf->base, EGL_SURFACE_TYPE, EGL_WINDOW_BIT /*| EGL_PIXMAP_BIT | EGL_PBUFFER_BIT*/);
 221
 222         TRACE("Config configuated\n");
 223         if (!_eglValidateConfig(&conf->base, EGL_FALSE)) {
 224                 _eglLog(_EGL_DEBUG, "Haiku: failed to validate config");
 225                 return EGL_FALSE;
 226         }
 227         TRACE("Validated config\n");
 228
 229         _eglLinkConfig(&conf->base);
 230         if (!_eglGetArraySize(dpy->Configs)) {
 231                 _eglLog(_EGL_WARNING, "Haiku: failed to create any config");
 232                 return EGL_FALSE;
 233         }
 234         TRACE("Config successfull\n");
 235
 236         return EGL_TRUE;
 237 }
 238
 239 extern "C"
 240 EGLBoolean
 241 init_haiku(_EGLDriver *drv, _EGLDisplay *dpy)
 242 {
 243         CALLED();
 244
 245         _eglSetLogProc(haiku_log);
 246
 247         loader_set_logger(_eglLog);
 248
 249         TRACE("Add configs\n");
 250         haiku_add_configs_for_visuals(dpy);
 251
 252         dpy->Version = 14;
 253
 254         TRACE("Initialization finished\n");
 255
 256         return EGL_TRUE;
 257 }
 258
 259
 260 extern "C"
 261 EGLBoolean
 262 haiku_terminate(_EGLDriver* drv,_EGLDisplay* dpy)
 263 {
 264         return EGL_TRUE;
 265 }
 266
 267
 268 extern "C"
 269 _EGLContext*
 270 haiku_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
 271         _EGLContext *share_list, const EGLint *attrib_list)
 272 {
 273         CALLED();
 274
 275         struct haiku_egl_context* context;
 276         context = (struct haiku_egl_context*) calloc(1, sizeof (*context));
 277         if (!context) {
 278                 _eglError(EGL_BAD_ALLOC, "haiku_create_context");
 279                 return NULL;
 280         }
 281
 282         if (!_eglInitContext(&context->ctx, disp, conf, attrib_list))
 283                 ERROR("ERROR creating context");
 284
 285         TRACE("Context created\n");
 286         return &context->ctx;
 287 }
 288
 289
 290 extern "C"
 291 EGLBoolean
 292 haiku_destroy_context(_EGLDriver* drv, _EGLDisplay *disp, _EGLContext* ctx)
 293 {
 294         ctx=NULL;
 295         return EGL_TRUE;
 296 }
 297
 298
 299 extern "C"
 300 EGLBoolean
 301 haiku_make_current(_EGLDriver* drv, _EGLDisplay* dpy, _EGLSurface *dsurf,
 302                   _EGLSurface *rsurf, _EGLContext *ctx)
 303 {
 304         CALLED();
 305
 306         struct haiku_egl_context* cont=haiku_egl_context(ctx);
 307         struct haiku_egl_surface* surf=haiku_egl_surface(dsurf);
 308         _EGLContext *old_ctx;
 309     _EGLSurface *old_dsurf, *old_rsurf;
 310         _eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf);
 311         //cont->ctx.DrawSurface=&surf->surf;
 312         surf->gl->LockGL();
 313         return EGL_TRUE;
 314 }
 315
 316
 317 extern "C"
 318 EGLBoolean
 319 haiku_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
 320 {
 321         struct haiku_egl_surface* surface=haiku_egl_surface(surf);
 322         surface->gl->SwapBuffers();
 323         //gl->Render();
 324         return EGL_TRUE;
 325 }
 326
 327
 328 extern "C"
 329 void
 330 haiku_unload(_EGLDriver* drv)
 331 {
 332
 333 }
 334
 335
 336 /**
 337  * This is the main entrypoint into the driver, called by libEGL.
 338  * Create a new _EGLDriver object and init its dispatch table.
 339  */
 340 extern "C"
 341 _EGLDriver*
 342 _eglBuiltInDriverHaiku(const char *args)
 343 {
 344         CALLED();
 345
 346         struct haiku_egl_driver* driver;
 347         driver = (struct haiku_egl_driver*) calloc(1, sizeof(*driver));
 348         if (!driver) {
 349                 _eglError(EGL_BAD_ALLOC, "_eglBuiltInDriverHaiku");
 350                 return NULL;
 351         }
 352
 353         _eglInitDriverFallbacks(&driver->base);
 354         driver->base.API.Initialize = init_haiku;
 355         driver->base.API.Terminate = haiku_terminate;
 356         driver->base.API.CreateContext = haiku_create_context;
 357         driver->base.API.DestroyContext = haiku_destroy_context;
 358         driver->base.API.MakeCurrent = haiku_make_current;
 359         driver->base.API.CreateWindowSurface = haiku_create_window_surface;
 360         driver->base.API.CreatePixmapSurface = haiku_create_pixmap_surface;
 361         driver->base.API.CreatePbufferSurface = haiku_create_pbuffer_surface;
 362         driver->base.API.DestroySurface = haiku_destroy_surface;
 363
 364         driver->base.API.SwapBuffers = haiku_swap_buffers;
 365
 366         driver->base.Name = "Haiku";
 367         driver->base.Unload = haiku_unload;
 368
 369         TRACE("API Calls defined\n");
 370
 371         return &driver->base;
 372 }