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