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