1 /* Cairo - a vector graphics library with display and print output
3 * Copyright © 2009 Chris Wilson
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.
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
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/
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.
32 #include "cairo-drm-private.h"
33 #include "cairo-drm-intel-private.h"
35 #include "cairo-default-context-private.h"
36 #include "cairo-error-private.h"
38 /* Basic generic/stub surface for intel chipsets */
42 static cairo_surface_t *
43 intel_surface_create_similar (void *abstract_surface,
44 cairo_content_t content,
48 return cairo_image_surface_create (_cairo_format_from_content (content),
53 intel_surface_finish (void *abstract_surface)
55 intel_surface_t *surface = abstract_surface;
57 intel_bo_in_flight_add (to_intel_device (surface->drm.base.device),
58 to_intel_bo (surface->drm.bo));
59 return _cairo_drm_surface_finish (&surface->drm);
63 surface_finish_and_destroy (cairo_surface_t *surface)
65 cairo_surface_finish (surface);
66 cairo_surface_destroy (surface);
70 intel_surface_acquire_source_image (void *abstract_surface,
71 cairo_image_surface_t **image_out,
74 intel_surface_t *surface = abstract_surface;
75 cairo_surface_t *image;
76 cairo_status_t status;
79 if (surface->drm.fallback != NULL) {
80 image = surface->drm.fallback;
84 image = _cairo_surface_has_snapshot (&surface->drm.base,
85 &_cairo_image_surface_backend);
89 if (surface->drm.base.backend->flush != NULL) {
90 status = surface->drm.base.backend->flush (surface);
91 if (unlikely (status))
95 ptr = intel_bo_map (to_intel_device (surface->drm.base.device),
96 to_intel_bo (surface->drm.bo));
97 if (unlikely (ptr == NULL))
98 return _cairo_error (CAIRO_STATUS_NO_MEMORY);
100 image = cairo_image_surface_create_for_data (ptr,
104 surface->drm.stride);
105 if (unlikely (image->status))
106 return image->status;
108 _cairo_surface_attach_snapshot (&surface->drm.base, image, surface_finish_and_destroy);
111 *image_out = (cairo_image_surface_t *) cairo_surface_reference (image);
113 return CAIRO_STATUS_SUCCESS;
117 intel_surface_release_source_image (void *abstract_surface,
118 cairo_image_surface_t *image,
121 cairo_surface_destroy (&image->base);
125 intel_surface_map_to_image (void *abstract_surface)
127 intel_surface_t *surface = abstract_surface;
129 if (surface->drm.fallback == NULL) {
130 cairo_surface_t *image;
131 cairo_status_t status;
134 if (surface->drm.base.backend->flush != NULL) {
135 status = surface->drm.base.backend->flush (surface);
136 if (unlikely (status))
137 return _cairo_surface_create_in_error (status);
140 ptr = intel_bo_map (to_intel_device (surface->drm.base.device),
141 to_intel_bo (surface->drm.bo));
142 if (unlikely (ptr == NULL))
143 return _cairo_surface_create_in_error (CAIRO_STATUS_NO_MEMORY);
145 image = cairo_image_surface_create_for_data (ptr,
149 surface->drm.stride);
150 if (unlikely (image->status))
153 surface->drm.fallback = image;
156 return surface->drm.fallback;
160 intel_surface_flush (void *abstract_surface, unsigned flags)
162 intel_surface_t *surface = abstract_surface;
163 cairo_status_t status;
166 return CAIRO_STATUS_SUCCESS;
168 if (surface->drm.fallback == NULL)
169 return CAIRO_STATUS_SUCCESS;
171 /* kill any outstanding maps */
172 cairo_surface_finish (surface->drm.fallback);
174 status = cairo_surface_status (surface->drm.fallback);
175 cairo_surface_destroy (surface->drm.fallback);
176 surface->drm.fallback = NULL;
181 static cairo_int_status_t
182 intel_surface_paint (void *abstract_surface,
184 const cairo_pattern_t *source,
187 return _cairo_surface_paint (intel_surface_map_to_image (abstract_surface),
191 static cairo_int_status_t
192 intel_surface_mask (void *abstract_surface,
194 const cairo_pattern_t *source,
195 const cairo_pattern_t *mask,
198 return _cairo_surface_mask (intel_surface_map_to_image (abstract_surface),
199 op, source, mask, clip);
202 static cairo_int_status_t
203 intel_surface_stroke (void *abstract_surface,
205 const cairo_pattern_t *source,
206 cairo_path_fixed_t *path,
207 const cairo_stroke_style_t *stroke_style,
208 const cairo_matrix_t *ctm,
209 const cairo_matrix_t *ctm_inverse,
211 cairo_antialias_t antialias,
214 return _cairo_surface_stroke (intel_surface_map_to_image (abstract_surface),
215 op, source, path, stroke_style, ctm, ctm_inverse,
216 tolerance, antialias, clip);
219 static cairo_int_status_t
220 intel_surface_fill (void *abstract_surface,
222 const cairo_pattern_t *source,
223 cairo_path_fixed_t *path,
224 cairo_fill_rule_t fill_rule,
226 cairo_antialias_t antialias,
229 return _cairo_surface_fill (intel_surface_map_to_image (abstract_surface),
230 op, source, path, fill_rule,
231 tolerance, antialias, clip);
234 static cairo_int_status_t
235 intel_surface_glyphs (void *abstract_surface,
237 const cairo_pattern_t *source,
238 cairo_glyph_t *glyphs,
240 cairo_scaled_font_t *scaled_font,
245 return _cairo_surface_show_text_glyphs (intel_surface_map_to_image (abstract_surface),
253 static const cairo_surface_backend_t intel_surface_backend = {
254 CAIRO_SURFACE_TYPE_DRM,
255 _cairo_default_context_create,
257 intel_surface_create_similar,
258 intel_surface_finish,
261 intel_surface_acquire_source_image,
262 intel_surface_release_source_image,
265 NULL, /* composite */
267 NULL, /* trapezoids */
269 NULL, /* check-span */
271 NULL, /* copy_page */
272 NULL, /* show_page */
273 _cairo_drm_surface_get_extents,
274 NULL, /* old-glyphs */
275 _cairo_drm_surface_get_font_options,
278 NULL, /* mark dirty */
279 NULL, NULL, /* font/glyph fini */
283 intel_surface_stroke,
285 intel_surface_glyphs,
289 intel_surface_init (intel_surface_t *surface,
290 const cairo_surface_backend_t *backend,
291 cairo_drm_device_t *device,
292 cairo_format_t format,
293 int width, int height)
295 _cairo_surface_init (&surface->drm.base,
298 _cairo_content_from_format (format));
299 _cairo_drm_surface_init (&surface->drm, format, width, height);
301 surface->snapshot_cache_entry.hash = 0;
304 static cairo_surface_t *
305 intel_surface_create (cairo_drm_device_t *device,
306 cairo_format_t format,
307 int width, int height)
309 intel_surface_t *surface;
310 cairo_status_t status;
312 surface = malloc (sizeof (intel_surface_t));
313 if (unlikely (surface == NULL))
314 return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
316 intel_surface_init (surface, &intel_surface_backend, device,
317 format, width, height);
319 if (width && height) {
320 /* Vol I, p134: size restrictions for textures */
321 width = (width + 3) & -4;
322 height = (height + 1) & -2;
323 surface->drm.stride =
324 cairo_format_stride_for_width (surface->drm.format, width);
325 surface->drm.bo = &intel_bo_create (to_intel_device (&device->base),
326 surface->drm.stride * height,
327 surface->drm.stride * height,
328 TRUE, I915_TILING_NONE, surface->drm.stride)->base;
329 if (surface->drm.bo == NULL) {
330 status = _cairo_drm_surface_finish (&surface->drm);
332 return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
336 return &surface->drm.base;
339 static cairo_surface_t *
340 intel_surface_create_for_name (cairo_drm_device_t *device,
342 cairo_format_t format,
343 int width, int height, int stride)
345 intel_surface_t *surface;
346 cairo_status_t status;
350 case CAIRO_FORMAT_INVALID:
351 case CAIRO_FORMAT_A1:
352 return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
353 case CAIRO_FORMAT_ARGB32:
354 case CAIRO_FORMAT_RGB16_565:
355 case CAIRO_FORMAT_RGB24:
356 case CAIRO_FORMAT_A8:
360 if (stride < cairo_format_stride_for_width (format, width))
361 return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_STRIDE));
363 surface = malloc (sizeof (intel_surface_t));
364 if (unlikely (surface == NULL))
365 return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
367 intel_surface_init (surface, &intel_surface_backend,
368 device, format, width, height);
370 if (width && height) {
371 surface->drm.stride = stride;
373 surface->drm.bo = &intel_bo_create_for_name (to_intel_device (&device->base),
375 if (unlikely (surface->drm.bo == NULL)) {
376 status = _cairo_drm_surface_finish (&surface->drm);
378 return _cairo_surface_create_in_error (_cairo_error
379 (CAIRO_STATUS_NO_MEMORY));
383 return &surface->drm.base;
386 static cairo_status_t
387 intel_surface_enable_scan_out (void *abstract_surface)
389 intel_surface_t *surface = abstract_surface;
391 if (unlikely (surface->drm.bo == NULL))
392 return _cairo_error (CAIRO_STATUS_INVALID_SIZE);
394 to_intel_bo (surface->drm.bo)->tiling = I915_TILING_X;
396 return CAIRO_STATUS_SUCCESS;
399 static cairo_int_status_t
400 intel_device_throttle (cairo_drm_device_t *device)
402 intel_throttle (to_intel_device (&device->base));
403 return CAIRO_STATUS_SUCCESS;
407 intel_device_destroy (void *data)
409 intel_device_t *device = data;
411 intel_device_fini (device);
417 _cairo_drm_intel_device_create (int fd, dev_t dev, int vendor_id, int chip_id)
419 intel_device_t *device;
420 cairo_status_t status;
422 if (! intel_info (fd, NULL))
425 device = malloc (sizeof (intel_device_t));
426 if (unlikely (device == NULL))
427 return (cairo_drm_device_t *) _cairo_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
429 status = intel_device_init (device, fd);
430 if (unlikely (status)) {
432 return (cairo_drm_device_t *) _cairo_device_create_in_error (status);
435 device->base.surface.create = intel_surface_create;
436 device->base.surface.create_for_name = intel_surface_create_for_name;
437 device->base.surface.create_from_cacheable_image = NULL;
438 device->base.surface.flink = _cairo_drm_surface_flink;
439 device->base.surface.enable_scan_out = intel_surface_enable_scan_out;
441 device->base.surface.map_to_image = intel_surface_map_to_image;
443 device->base.device.flush = NULL;
444 device->base.device.throttle = intel_device_throttle;
445 device->base.device.destroy = intel_device_destroy;
447 return _cairo_drm_device_init (&device->base,