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 "egldevice.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_config
  59 {
  60         _EGLConfig         base;
  61 };
  62
  63 struct haiku_egl_context
  64 {
  65         _EGLContext     ctx;
  66 };
  67
  68 struct haiku_egl_surface
  69 {
  70         _EGLSurface surf;
  71         BGLView* gl;
  72 };
  73
  74
  75 /**
  76  * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
  77  */
  78 static _EGLSurface *
  79 haiku_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
  80         _EGLConfig *conf, void *native_window, const EGLint *attrib_list)
  81 {
  82         CALLED();
  83
  84         struct haiku_egl_surface* surface;
  85         surface = (struct haiku_egl_surface*) calloc(1, sizeof (*surface));
  86         if (!surface) {
  87                 _eglError(EGL_BAD_ALLOC, "haiku_create_window_surface");
  88                 return NULL;
  89         }
  90
  91         if (!_eglInitSurface(&surface->surf, disp, EGL_WINDOW_BIT,
  92                 conf, attrib_list)) {
  93                 free(surface);
  94                 return NULL;
  95         }
  96
  97         (&surface->surf)->SwapInterval = 1;
  98
  99         TRACE("Creating window\n");
 100         BWindow* win = (BWindow*)native_window;
 101
 102         TRACE("Creating GL view\n");
 103         surface->gl = new BGLView(win->Bounds(), "OpenGL", B_FOLLOW_ALL_SIDES, 0,
 104                 BGL_RGB | BGL_DOUBLE | BGL_ALPHA);
 105
 106         TRACE("Adding GL\n");
 107         win->AddChild(surface->gl);
 108
 109         TRACE("Showing window\n");
 110         win->Show();
 111         return &surface->surf;
 112 }
 113
 114
 115 static _EGLSurface *
 116 haiku_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
 117         _EGLConfig *conf, void *native_pixmap, const EGLint *attrib_list)
 118 {
 119         return NULL;
 120 }
 121
 122
 123 static _EGLSurface *
 124 haiku_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
 125         _EGLConfig *conf, const EGLint *attrib_list)
 126 {
 127         return NULL;
 128 }
 129
 130
 131 static EGLBoolean
 132 haiku_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 133 {
 134         if (_eglPutSurface(surf)) {
 135                 // XXX: detach haiku_egl_surface::gl from the native window and destroy it
 136                 free(surf);
 137         }
 138         return EGL_TRUE;
 139 }
 140
 141
 142 static EGLBoolean
 143 haiku_add_configs_for_visuals(_EGLDisplay *dpy)
 144 {
 145         CALLED();
 146
 147         struct haiku_egl_config* conf;
 148         conf = (struct haiku_egl_config*) calloc(1, sizeof (*conf));
 149         if (!conf)
 150                 return _eglError(EGL_BAD_ALLOC, "haiku_add_configs_for_visuals");
 151
 152         _eglInitConfig(&conf->base, dpy, 1);
 153         TRACE("Config inited\n");
 154
 155         _eglSetConfigKey(&conf->base, EGL_RED_SIZE, 8);
 156         _eglSetConfigKey(&conf->base, EGL_BLUE_SIZE, 8);
 157         _eglSetConfigKey(&conf->base, EGL_GREEN_SIZE, 8);
 158         _eglSetConfigKey(&conf->base, EGL_LUMINANCE_SIZE, 0);
 159         _eglSetConfigKey(&conf->base, EGL_ALPHA_SIZE, 8);
 160         _eglSetConfigKey(&conf->base, EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER);
 161         EGLint r = (_eglGetConfigKey(&conf->base, EGL_RED_SIZE)
 162                 + _eglGetConfigKey(&conf->base, EGL_GREEN_SIZE)
 163                 + _eglGetConfigKey(&conf->base, EGL_BLUE_SIZE)
 164                 + _eglGetConfigKey(&conf->base, EGL_ALPHA_SIZE));
 165         _eglSetConfigKey(&conf->base, EGL_BUFFER_SIZE, r);
 166         _eglSetConfigKey(&conf->base, EGL_CONFIG_CAVEAT, EGL_NONE);
 167         _eglSetConfigKey(&conf->base, EGL_CONFIG_ID, 1);
 168         _eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE);
 169         _eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE);
 170         _eglSetConfigKey(&conf->base, EGL_STENCIL_SIZE, 0);
 171         _eglSetConfigKey(&conf->base, EGL_TRANSPARENT_TYPE, EGL_NONE);
 172         _eglSetConfigKey(&conf->base, EGL_NATIVE_RENDERABLE, EGL_TRUE); // Let's say yes
 173         _eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_ID, 0); // No visual
 174         _eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_TYPE, EGL_NONE); // No visual
 175         _eglSetConfigKey(&conf->base, EGL_RENDERABLE_TYPE, 0x8);
 176         _eglSetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS, 0); // TODO: How to get the right value ?
 177         _eglSetConfigKey(&conf->base, EGL_SAMPLES, _eglGetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS) == 0 ? 0 : 0);
 178         _eglSetConfigKey(&conf->base, EGL_DEPTH_SIZE, 24); // TODO: How to get the right value ?
 179         _eglSetConfigKey(&conf->base, EGL_LEVEL, 0);
 180         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_WIDTH, 0); // TODO: How to get the right value ?
 181         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_HEIGHT, 0); // TODO: How to get the right value ?
 182         _eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_PIXELS, 0); // TODO: How to get the right value ?
 183         _eglSetConfigKey(&conf->base, EGL_SURFACE_TYPE, EGL_WINDOW_BIT /*| EGL_PIXMAP_BIT | EGL_PBUFFER_BIT*/);
 184
 185         TRACE("Config configuated\n");
 186         if (!_eglValidateConfig(&conf->base, EGL_FALSE)) {
 187                 _eglLog(_EGL_DEBUG, "Haiku: failed to validate config");
 188                 goto cleanup;
 189         }
 190         TRACE("Validated config\n");
 191
 192         _eglLinkConfig(&conf->base);
 193         if (!_eglGetArraySize(dpy->Configs)) {
 194                 _eglLog(_EGL_WARNING, "Haiku: failed to create any config");
 195                 goto cleanup;
 196         }
 197         TRACE("Config successfull\n");
 198
 199         return EGL_TRUE;
 200
 201 cleanup:
 202         free(conf);
 203         return EGL_FALSE;
 204 }
 205
 206
 207 extern "C"
 208 EGLBoolean
 209 init_haiku(_EGLDriver *drv, _EGLDisplay *dpy)
 210 {
 211         _EGLDevice *dev;
 212         CALLED();
 213
 214         dev = _eglAddDevice(-1, true);
 215         if (!dev) {
 216                 _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to find EGLDevice");
 217                 return EGL_FALSE;
 218         }
 219         dpy->Device = dev;
 220
 221         TRACE("Add configs\n");
 222         if (!haiku_add_configs_for_visuals(dpy))
 223                 return EGL_FALSE;
 224
 225         dpy->Version = 14;
 226
 227         TRACE("Initialization finished\n");
 228
 229         return EGL_TRUE;
 230 }
 231
 232
 233 extern "C"
 234 EGLBoolean
 235 haiku_terminate(_EGLDriver* drv,_EGLDisplay* dpy)
 236 {
 237         return EGL_TRUE;
 238 }
 239
 240
 241 extern "C"
 242 _EGLContext*
 243 haiku_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
 244         _EGLContext *share_list, const EGLint *attrib_list)
 245 {
 246         CALLED();
 247
 248         struct haiku_egl_context* context;
 249         context = (struct haiku_egl_context*) calloc(1, sizeof (*context));
 250         if (!context) {
 251                 _eglError(EGL_BAD_ALLOC, "haiku_create_context");
 252                 return NULL;
 253         }
 254
 255         if (!_eglInitContext(&context->ctx, disp, conf, attrib_list))
 256                 goto cleanup;
 257
 258         TRACE("Context created\n");
 259         return &context->ctx;
 260
 261 cleanup:
 262         free(context);
 263         return NULL;
 264 }
 265
 266
 267 extern "C"
 268 EGLBoolean
 269 haiku_destroy_context(_EGLDriver* drv, _EGLDisplay *disp, _EGLContext* ctx)
 270 {
 271         struct haiku_egl_context* context = haiku_egl_context(ctx);
 272
 273         if (_eglPutContext(ctx)) {
 274                 // XXX: teardown the context ?
 275                 free(context);
 276                 ctx = NULL;
 277         }
 278         return EGL_TRUE;
 279 }
 280
 281
 282 extern "C"
 283 EGLBoolean
 284 haiku_make_current(_EGLDriver* drv, _EGLDisplay* dpy, _EGLSurface *dsurf,
 285         _EGLSurface *rsurf, _EGLContext *ctx)
 286 {
 287         CALLED();
 288
 289         struct haiku_egl_context* cont = haiku_egl_context(ctx);
 290         struct haiku_egl_surface* surf = haiku_egl_surface(dsurf);
 291         _EGLContext *old_ctx;
 292         _EGLSurface *old_dsurf, *old_rsurf;
 293
 294         if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
 295                 return EGL_FALSE;
 296
 297         //cont->ctx.DrawSurface=&surf->surf;
 298         surf->gl->LockGL();
 299         return EGL_TRUE;
 300 }
 301
 302
 303 extern "C"
 304 EGLBoolean
 305 haiku_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
 306 {
 307         struct haiku_egl_surface* surface = haiku_egl_surface(surf);
 308
 309         surface->gl->SwapBuffers();
 310         //gl->Render();
 311         return EGL_TRUE;
 312 }
 313
 314
 315 /**
 316  * This is the main entrypoint into the driver, called by libEGL.
 317  * Gets an _EGLDriver object and init its dispatch table.
 318  */
 319 extern "C"
 320 void
 321 _eglInitDriver(_EGLDriver *driver)
 322 {
 323         CALLED();
 324
 325         driver->API.Initialize = init_haiku;
 326         driver->API.Terminate = haiku_terminate;
 327         driver->API.CreateContext = haiku_create_context;
 328         driver->API.DestroyContext = haiku_destroy_context;
 329         driver->API.MakeCurrent = haiku_make_current;
 330         driver->API.CreateWindowSurface = haiku_create_window_surface;
 331         driver->API.CreatePixmapSurface = haiku_create_pixmap_surface;
 332         driver->API.CreatePbufferSurface = haiku_create_pbuffer_surface;
 333         driver->API.DestroySurface = haiku_destroy_surface;
 334
 335         driver->API.SwapBuffers = haiku_swap_buffers;
 336
 337         TRACE("API Calls defined\n");
 338 }