src/drm/cairo-drm-radeon-surface.c

   1 /* Cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2009 Chris Wilson
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it either under the terms of the GNU Lesser General Public
   7  * License version 2.1 as published by the Free Software Foundation
   8  * (the "LGPL") or, at your option, under the terms of the Mozilla
   9  * Public License Version 1.1 (the "MPL"). If you do not alter this
  10  * notice, a recipient may use your version of this file under either
  11  * the MPL or the LGPL.
  12  *
  13  * You should have received a copy of the LGPL along with this library
  14  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
  16  * You should have received a copy of the MPL along with this library
  17  * in the file COPYING-MPL-1.1
  18  *
  19  * The contents of this file are subject to the Mozilla Public License
  20  * Version 1.1 (the "License"); you may not use this file except in
  21  * compliance with the License. You may obtain a copy of the License at
  22  * http://www.mozilla.org/MPL/
  23  *
  24  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  25  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  26  * the specific language governing rights and limitations.
  27  *
  28  */
  29
  30 #include "cairoint.h"
  31
  32 #include "cairo-drm-private.h"
  33 #include "cairo-drm-radeon-private.h"
  34
  35 #include "cairo-default-context-private.h"
  36 #include "cairo-error-private.h"
  37
  38 /* Basic stub surface for radeon chipsets */
  39
  40 #define MAX_SIZE 2048
  41
  42 typedef struct _radeon_surface {
  43     cairo_drm_surface_t base;
  44 } radeon_surface_t;
  45
  46 static inline radeon_device_t *
  47 to_radeon_device (cairo_device_t *device)
  48 {
  49     return (radeon_device_t *) device;
  50 }
  51
  52 static inline radeon_bo_t *
  53 to_radeon_bo (cairo_drm_bo_t *bo)
  54 {
  55     return (radeon_bo_t *) bo;
  56 }
  57
  58 static cairo_surface_t *
  59 radeon_surface_create_similar (void                     *abstract_surface,
  60                               cairo_content_t            content,
  61                               int                        width,
  62                               int                        height)
  63 {
  64     return cairo_image_surface_create (_cairo_format_from_content (content),
  65                                        width, height);
  66 }
  67
  68 static cairo_status_t
  69 radeon_surface_finish (void *abstract_surface)
  70 {
  71     radeon_surface_t *surface = abstract_surface;
  72
  73     return _cairo_drm_surface_finish (&surface->base);
  74 }
  75
  76 static cairo_status_t
  77 radeon_surface_acquire_source_image (void *abstract_surface,
  78                                      cairo_image_surface_t **image_out,
  79                                      void **image_extra)
  80 {
  81     radeon_surface_t *surface = abstract_surface;
  82     cairo_surface_t *image;
  83     cairo_status_t status;
  84
  85     /* XXX batch flush */
  86
  87     if (surface->base.fallback != NULL) {
  88         image = surface->base.fallback;
  89         goto DONE;
  90     }
  91
  92     image = _cairo_surface_has_snapshot (&surface->base.base,
  93                                          &_cairo_image_surface_backend);
  94     if (image != NULL)
  95         goto DONE;
  96
  97     if (surface->base.base.backend->flush != NULL) {
  98         status = surface->base.base.backend->flush (surface);
  99         if (unlikely (status))
 100             return status;
 101     }
 102
 103     image = radeon_bo_get_image (to_radeon_device (surface->base.base.device),
 104                                 to_radeon_bo (surface->base.bo),
 105                                 &surface->base);
 106     status = image->status;
 107     if (unlikely (status))
 108         return status;
 109
 110     _cairo_surface_attach_snapshot (&surface->base.base, image, cairo_surface_destroy);
 111
 112 DONE:
 113     *image_out = (cairo_image_surface_t *) cairo_surface_reference (image);
 114     *image_extra = NULL;
 115     return CAIRO_STATUS_SUCCESS;
 116 }
 117
 118 static void
 119 radeon_surface_release_source_image (void *abstract_surface,
 120                                      cairo_image_surface_t *image,
 121                                      void *image_extra)
 122 {
 123     cairo_surface_destroy (&image->base);
 124 }
 125
 126 static cairo_surface_t *
 127 radeon_surface_map_to_image (radeon_surface_t *surface)
 128 {
 129     if (surface->base.fallback == NULL) {
 130         cairo_surface_t *image;
 131         cairo_status_t status;
 132         void *ptr;
 133
 134         if (surface->base.base.backend->flush != NULL) {
 135             status = surface->base.base.backend->flush (surface);
 136             if (unlikely (status))
 137                 return _cairo_surface_create_in_error (status);
 138         }
 139
 140         ptr = radeon_bo_map (to_radeon_device (surface->base.base.device),
 141                             to_radeon_bo (surface->base.bo));
 142         if (unlikely (ptr == NULL))
 143             return _cairo_surface_create_in_error (CAIRO_STATUS_NO_MEMORY);
 144
 145         image = cairo_image_surface_create_for_data (ptr,
 146                                                      surface->base.format,
 147                                                      surface->base.width,
 148                                                      surface->base.height,
 149                                                      surface->base.stride);
 150         if (unlikely (image->status)) {
 151             radeon_bo_unmap (to_radeon_bo (surface->base.bo));
 152             return image;
 153         }
 154
 155         surface->base.fallback = image;
 156     }
 157
 158     return surface->base.fallback;
 159 }
 160
 161 static cairo_status_t
 162 radeon_surface_flush (void *abstract_surface,
 163                       unsigned flags)
 164 {
 165     radeon_surface_t *surface = abstract_surface;
 166     cairo_status_t status;
 167
 168     if (flags)
 169         return CAIRO_STATUS_SUCCESS;
 170
 171     if (surface->base.fallback == NULL)
 172         return CAIRO_STATUS_SUCCESS;
 173
 174     /* kill any outstanding maps */
 175     cairo_surface_finish (surface->base.fallback);
 176
 177     status = cairo_surface_status (surface->base.fallback);
 178     cairo_surface_destroy (surface->base.fallback);
 179     surface->base.fallback = NULL;
 180
 181     radeon_bo_unmap (to_radeon_bo (surface->base.bo));
 182
 183     return status;
 184 }
 185
 186 static cairo_int_status_t
 187 radeon_surface_paint (void *abstract_surface,
 188                      cairo_operator_t            op,
 189                      const cairo_pattern_t      *source,
 190                      cairo_clip_t               *clip)
 191 {
 192     return _cairo_surface_paint (radeon_surface_map_to_image (abstract_surface),
 193                                  op, source, clip);
 194 }
 195
 196 static cairo_int_status_t
 197 radeon_surface_mask (void                       *abstract_surface,
 198                     cairo_operator_t             op,
 199                     const cairo_pattern_t       *source,
 200                     const cairo_pattern_t       *mask,
 201                     cairo_clip_t                *clip)
 202 {
 203     return _cairo_surface_mask (radeon_surface_map_to_image (abstract_surface),
 204                                 op, source, mask, clip);
 205 }
 206
 207 static cairo_int_status_t
 208 radeon_surface_stroke (void                     *abstract_surface,
 209                       cairo_operator_t           op,
 210                       const cairo_pattern_t     *source,
 211                       cairo_path_fixed_t        *path,
 212                       const cairo_stroke_style_t        *stroke_style,
 213                       const cairo_matrix_t              *ctm,
 214                       const cairo_matrix_t              *ctm_inverse,
 215                       double                     tolerance,
 216                       cairo_antialias_t          antialias,
 217                       cairo_clip_t              *clip)
 218 {
 219     return _cairo_surface_stroke (radeon_surface_map_to_image (abstract_surface),
 220                                   op, source, path, stroke_style, ctm, ctm_inverse,
 221                                   tolerance, antialias, clip);
 222 }
 223
 224 static cairo_int_status_t
 225 radeon_surface_fill (void                       *abstract_surface,
 226                     cairo_operator_t             op,
 227                     const cairo_pattern_t       *source,
 228                     cairo_path_fixed_t          *path,
 229                     cairo_fill_rule_t            fill_rule,
 230                     double                       tolerance,
 231                     cairo_antialias_t            antialias,
 232                     cairo_clip_t                *clip)
 233 {
 234     return _cairo_surface_fill (radeon_surface_map_to_image (abstract_surface),
 235                                 op, source, path, fill_rule,
 236                                 tolerance, antialias, clip);
 237 }
 238
 239 static cairo_int_status_t
 240 radeon_surface_glyphs (void                     *abstract_surface,
 241                       cairo_operator_t           op,
 242                       const cairo_pattern_t     *source,
 243                       cairo_glyph_t             *glyphs,
 244                       int                        num_glyphs,
 245                       cairo_scaled_font_t       *scaled_font,
 246                       cairo_clip_t              *clip,
 247                       int *num_remaining)
 248 {
 249     *num_remaining = 0;
 250     return _cairo_surface_show_text_glyphs (radeon_surface_map_to_image (abstract_surface),
 251                                             op, source,
 252                                             NULL, 0,
 253                                             glyphs, num_glyphs,
 254                                             NULL, 0, 0,
 255                                             scaled_font, clip);
 256 }
 257
 258 static const cairo_surface_backend_t radeon_surface_backend = {
 259     CAIRO_SURFACE_TYPE_DRM,
 260     _cairo_default_context_create,
 261
 262     radeon_surface_create_similar,
 263     radeon_surface_finish,
 264
 265     NULL,
 266     radeon_surface_acquire_source_image,
 267     radeon_surface_release_source_image,
 268
 269     NULL, NULL, NULL,
 270     NULL, /* composite */
 271     NULL, /* fill */
 272     NULL, /* trapezoids */
 273     NULL, /* span */
 274     NULL, /* check-span */
 275
 276     NULL, /* copy_page */
 277     NULL, /* show_page */
 278     _cairo_drm_surface_get_extents,
 279     NULL, /* old-glyphs */
 280     _cairo_drm_surface_get_font_options,
 281
 282     radeon_surface_flush,
 283     NULL, /* mark dirty */
 284     NULL, NULL, /* font/glyph fini */
 285
 286     radeon_surface_paint,
 287     radeon_surface_mask,
 288     radeon_surface_stroke,
 289     radeon_surface_fill,
 290     radeon_surface_glyphs,
 291 };
 292
 293 static void
 294 radeon_surface_init (radeon_surface_t *surface,
 295                      cairo_drm_device_t *device,
 296                      cairo_format_t format,
 297                      int width, int height)
 298 {
 299     _cairo_surface_init (&surface->base.base,
 300                          &radeon_surface_backend,
 301                          &device->base,
 302                          _cairo_content_from_format (format));
 303     _cairo_drm_surface_init (&surface->base, format, width, height);
 304 }
 305
 306 static cairo_surface_t *
 307 radeon_surface_create_internal (cairo_drm_device_t *device,
 308                                 cairo_format_t format,
 309                                 int width, int height)
 310 {
 311     radeon_surface_t *surface;
 312     cairo_status_t status;
 313
 314     surface = malloc (sizeof (radeon_surface_t));
 315     if (unlikely (surface == NULL))
 316         return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
 317
 318     radeon_surface_init (surface, device, format, width, height);
 319
 320     if (width && height) {
 321         surface->base.stride =
 322             cairo_format_stride_for_width (surface->base.format, width);
 323
 324         surface->base.bo = radeon_bo_create (to_radeon_device (&device->base),
 325                                              surface->base.stride * height,
 326                                              RADEON_GEM_DOMAIN_GTT);
 327
 328         if (unlikely (surface->base.bo == NULL)) {
 329             status = _cairo_drm_surface_finish (&surface->base);
 330             free (surface);
 331             return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
 332         }
 333     }
 334
 335     return &surface->base.base;
 336 }
 337
 338 static cairo_surface_t *
 339 radeon_surface_create (cairo_drm_device_t *device,
 340                        cairo_format_t format,
 341                        int width, int height)
 342 {
 343     switch (format) {
 344     default:
 345     case CAIRO_FORMAT_INVALID:
 346     case CAIRO_FORMAT_A1:
 347     case CAIRO_FORMAT_RGB16_565:
 348         return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
 349     case CAIRO_FORMAT_ARGB32:
 350     case CAIRO_FORMAT_RGB24:
 351     case CAIRO_FORMAT_A8:
 352         break;
 353     }
 354
 355     return radeon_surface_create_internal (device, format, width, height);
 356 }
 357
 358 static cairo_surface_t *
 359 radeon_surface_create_for_name (cairo_drm_device_t *device,
 360                               unsigned int name,
 361                               cairo_format_t format,
 362                               int width, int height, int stride)
 363 {
 364     radeon_surface_t *surface;
 365     cairo_status_t status;
 366
 367     switch (format) {
 368     default:
 369     case CAIRO_FORMAT_INVALID:
 370     case CAIRO_FORMAT_A1:
 371     case CAIRO_FORMAT_RGB16_565:
 372         return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
 373     case CAIRO_FORMAT_ARGB32:
 374     case CAIRO_FORMAT_RGB24:
 375     case CAIRO_FORMAT_A8:
 376         break;
 377     }
 378
 379     if (stride < cairo_format_stride_for_width (format, width))
 380         return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_STRIDE));
 381
 382     surface = malloc (sizeof (radeon_surface_t));
 383     if (unlikely (surface == NULL))
 384         return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
 385
 386     radeon_surface_init (surface, device, format, width, height);
 387
 388     if (width && height) {
 389         surface->base.stride = stride;
 390
 391         surface->base.bo = radeon_bo_create_for_name (to_radeon_device (&device->base),
 392                                                       name);
 393
 394         if (unlikely (surface->base.bo == NULL)) {
 395             status = _cairo_drm_surface_finish (&surface->base);
 396             free (surface);
 397             return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
 398         }
 399     }
 400
 401     return &surface->base.base;
 402 }
 403
 404 static void
 405 radeon_device_destroy (void *data)
 406 {
 407     radeon_device_t *device = data;
 408
 409     radeon_device_fini (device);
 410
 411     free (data);
 412 }
 413
 414 cairo_drm_device_t *
 415 _cairo_drm_radeon_device_create (int fd, dev_t dev, int vendor_id, int chip_id)
 416 {
 417     radeon_device_t *device;
 418     uint64_t gart_size, vram_size;
 419     cairo_status_t status;
 420
 421     if (! radeon_info (fd, &gart_size, &vram_size))
 422         return NULL;
 423
 424     device = malloc (sizeof (radeon_device_t));
 425     if (device == NULL)
 426         return _cairo_drm_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
 427
 428     status = radeon_device_init (device, fd);
 429     if (unlikely (status)) {
 430         free (device);
 431         return _cairo_drm_device_create_in_error (status);
 432     }
 433
 434     device->base.surface.create = radeon_surface_create;
 435     device->base.surface.create_for_name = radeon_surface_create_for_name;
 436     device->base.surface.create_from_cacheable_image = NULL;
 437     device->base.surface.flink = _cairo_drm_surface_flink;
 438     device->base.surface.enable_scan_out = NULL;
 439
 440     device->base.device.flush = NULL;
 441     device->base.device.throttle = NULL;
 442     device->base.device.destroy = radeon_device_destroy;
 443
 444     device->vram_limit = vram_size;
 445     device->gart_limit = gart_size;
 446
 447     return _cairo_drm_device_init (&device->base, fd, dev, vendor_id, chip_id, MAX_SIZE);
 448 }