add cairo

1 files changed, 454 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/src/drm/cairo-drm-radeon-surface.c b/libs/cairo-1.16.0/src/drm/cairo-drm-radeon-surface.c
new file mode 100644
index 0000000..9c9f852
--- /dev/null
+++ b/libs/cairo-1.16.0/src/drm/cairo-drm-radeon-surface.c
@@ -0,0 +1,454 @@
+/* Cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2009 Chris Wilson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ */
+
+#include "cairoint.h"
+
+#include "cairo-drm-private.h"
+#include "cairo-drm-radeon-private.h"
+
+#include "cairo-default-context-private.h"
+#include "cairo-error-private.h"
+#include "cairo-image-surface-private.h"
+
+#include <stddef.h>
+#include <inttypes.h>		/* workaround for broken <drm/radeon_drm.h> */
+#include <drm/radeon_drm.h>
+
+/* Basic stub surface for radeon chipsets */
+
+#define MAX_SIZE 2048
+
+typedef struct _radeon_surface {
+    cairo_drm_surface_t base;
+} radeon_surface_t;
+
+static inline radeon_device_t *
+to_radeon_device (cairo_device_t *device)
+{
+    return (radeon_device_t *) device;
+}
+
+static inline radeon_bo_t *
+to_radeon_bo (cairo_drm_bo_t *bo)
+{
+    return (radeon_bo_t *) bo;
+}
+
+static cairo_surface_t *
+radeon_surface_create_similar (void			*abstract_surface,
+			      cairo_content_t		 content,
+			      int			 width,
+			      int			 height)
+{
+    return cairo_image_surface_create (_cairo_format_from_content (content),
+				       width, height);
+}
+
+static cairo_status_t
+radeon_surface_finish (void *abstract_surface)
+{
+    radeon_surface_t *surface = abstract_surface;
+
+    return _cairo_drm_surface_finish (&surface->base);
+}
+
+static cairo_status_t
+radeon_surface_acquire_source_image (void *abstract_surface,
+				     cairo_image_surface_t **image_out,
+				     void **image_extra)
+{
+    radeon_surface_t *surface = abstract_surface;
+    cairo_surface_t *image;
+    cairo_status_t status;
+
+    /* XXX batch flush */
+
+    if (surface->base.fallback != NULL) {
+	image = surface->base.fallback;
+	goto DONE;
+    }
+
+    image = _cairo_surface_has_snapshot (&surface->base.base,
+	                                 &_cairo_image_surface_backend);
+    if (image != NULL)
+	goto DONE;
+
+    if (surface->base.base.backend->flush != NULL) {
+	status = surface->base.base.backend->flush (surface);
+	if (unlikely (status))
+	    return status;
+    }
+
+    image = radeon_bo_get_image (to_radeon_device (surface->base.base.device),
+				to_radeon_bo (surface->base.bo),
+				&surface->base);
+    status = image->status;
+    if (unlikely (status))
+	return status;
+
+    _cairo_surface_attach_snapshot (&surface->base.base, image, cairo_surface_destroy);
+
+DONE:
+    *image_out = (cairo_image_surface_t *) cairo_surface_reference (image);
+    *image_extra = NULL;
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static void
+radeon_surface_release_source_image (void *abstract_surface,
+				     cairo_image_surface_t *image,
+				     void *image_extra)
+{
+    cairo_surface_destroy (&image->base);
+}
+
+static cairo_surface_t *
+radeon_surface_map_to_image (radeon_surface_t *surface)
+{
+    if (surface->base.fallback == NULL) {
+	cairo_surface_t *image;
+	cairo_status_t status;
+	void *ptr;
+
+	if (surface->base.base.backend->flush != NULL) {
+	    status = surface->base.base.backend->flush (surface);
+	    if (unlikely (status))
+		return _cairo_surface_create_in_error (status);
+	}
+
+	ptr = radeon_bo_map (to_radeon_device (surface->base.base.device),
+			    to_radeon_bo (surface->base.bo));
+	if (unlikely (ptr == NULL))
+	    return _cairo_surface_create_in_error (CAIRO_STATUS_NO_MEMORY);
+
+	image = cairo_image_surface_create_for_data (ptr,
+						     surface->base.format,
+						     surface->base.width,
+						     surface->base.height,
+						     surface->base.stride);
+	if (unlikely (image->status)) {
+	    radeon_bo_unmap (to_radeon_bo (surface->base.bo));
+	    return image;
+	}
+
+	surface->base.fallback = image;
+    }
+
+    return surface->base.fallback;
+}
+
+static cairo_status_t
+radeon_surface_flush (void *abstract_surface,
+		      unsigned flags)
+{
+    radeon_surface_t *surface = abstract_surface;
+    cairo_status_t status;
+
+    if (flags)
+	return CAIRO_STATUS_SUCCESS;
+
+    if (surface->base.fallback == NULL)
+	return CAIRO_STATUS_SUCCESS;
+
+    /* kill any outstanding maps */
+    cairo_surface_finish (surface->base.fallback);
+
+    status = cairo_surface_status (surface->base.fallback);
+    cairo_surface_destroy (surface->base.fallback);
+    surface->base.fallback = NULL;
+
+    radeon_bo_unmap (to_radeon_bo (surface->base.bo));
+
+    return status;
+}
+
+static cairo_int_status_t
+radeon_surface_paint (void *abstract_surface,
+		     cairo_operator_t		 op,
+		     const cairo_pattern_t	*source,
+		     cairo_clip_t		*clip)
+{
+    return _cairo_surface_paint (radeon_surface_map_to_image (abstract_surface),
+				 op, source, clip);
+}
+
+static cairo_int_status_t
+radeon_surface_mask (void			*abstract_surface,
+		    cairo_operator_t		 op,
+		    const cairo_pattern_t	*source,
+		    const cairo_pattern_t	*mask,
+		    cairo_clip_t		*clip)
+{
+    return _cairo_surface_mask (radeon_surface_map_to_image (abstract_surface),
+				op, source, mask, clip);
+}
+
+static cairo_int_status_t
+radeon_surface_stroke (void			*abstract_surface,
+		      cairo_operator_t		 op,
+		      const cairo_pattern_t	*source,
+		      cairo_path_fixed_t	*path,
+		      const cairo_stroke_style_t	*stroke_style,
+		      const cairo_matrix_t		*ctm,
+		      const cairo_matrix_t		*ctm_inverse,
+		      double			 tolerance,
+		      cairo_antialias_t		 antialias,
+		      cairo_clip_t		*clip)
+{
+    return _cairo_surface_stroke (radeon_surface_map_to_image (abstract_surface),
+				  op, source, path, stroke_style, ctm, ctm_inverse,
+				  tolerance, antialias, clip);
+}
+
+static cairo_int_status_t
+radeon_surface_fill (void			*abstract_surface,
+		    cairo_operator_t		 op,
+		    const cairo_pattern_t	*source,
+		    cairo_path_fixed_t		*path,
+		    cairo_fill_rule_t		 fill_rule,
+		    double			 tolerance,
+		    cairo_antialias_t		 antialias,
+		    cairo_clip_t		*clip)
+{
+    return _cairo_surface_fill (radeon_surface_map_to_image (abstract_surface),
+				op, source, path, fill_rule,
+				tolerance, antialias, clip);
+}
+
+static cairo_int_status_t
+radeon_surface_glyphs (void			*abstract_surface,
+		      cairo_operator_t		 op,
+		      const cairo_pattern_t	*source,
+		      cairo_glyph_t		*glyphs,
+		      int			 num_glyphs,
+		      cairo_scaled_font_t	*scaled_font,
+		      cairo_clip_t		*clip,
+		      int *num_remaining)
+{
+    *num_remaining = 0;
+    return _cairo_surface_show_text_glyphs (radeon_surface_map_to_image (abstract_surface),
+					    op, source,
+					    NULL, 0,
+					    glyphs, num_glyphs,
+					    NULL, 0, 0,
+					    scaled_font, clip);
+}
+
+static const cairo_surface_backend_t radeon_surface_backend = {
+    CAIRO_SURFACE_TYPE_DRM,
+    _cairo_default_context_create,
+
+    radeon_surface_create_similar,
+    radeon_surface_finish,
+
+    NULL,
+    radeon_surface_acquire_source_image,
+    radeon_surface_release_source_image,
+
+    NULL, NULL, NULL,
+    NULL, /* composite */
+    NULL, /* fill */
+    NULL, /* trapezoids */
+    NULL, /* span */
+    NULL, /* check-span */
+
+    NULL, /* copy_page */
+    NULL, /* show_page */
+    _cairo_drm_surface_get_extents,
+    NULL, /* old-glyphs */
+    _cairo_drm_surface_get_font_options,
+
+    radeon_surface_flush,
+    NULL, /* mark dirty */
+    NULL, NULL, /* font/glyph fini */
+
+    radeon_surface_paint,
+    radeon_surface_mask,
+    radeon_surface_stroke,
+    radeon_surface_fill,
+    radeon_surface_glyphs,
+};
+
+static void
+radeon_surface_init (radeon_surface_t *surface,
+		     cairo_drm_device_t *device,
+		     cairo_format_t format,
+		     int width, int height)
+{
+    _cairo_surface_init (&surface->base.base,
+			 &radeon_surface_backend,
+			 &device->base,
+			 _cairo_content_from_format (format),
+			FALSE);
+    _cairo_drm_surface_init (&surface->base, format, width, height);
+}
+
+static cairo_surface_t *
+radeon_surface_create_internal (cairo_drm_device_t *device,
+				cairo_format_t format,
+				int width, int height)
+{
+    radeon_surface_t *surface;
+    cairo_status_t status;
+
+    surface = _cairo_malloc (sizeof (radeon_surface_t));
+    if (unlikely (surface == NULL))
+	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+
+    radeon_surface_init (surface, device, format, width, height);
+
+    if (width && height) {
+	surface->base.stride =
+	    cairo_format_stride_for_width (surface->base.format, width);
+
+	surface->base.bo = radeon_bo_create (to_radeon_device (&device->base),
+					     surface->base.stride * height,
+					     RADEON_GEM_DOMAIN_GTT);
+
+	if (unlikely (surface->base.bo == NULL)) {
+	    status = _cairo_drm_surface_finish (&surface->base);
+	    free (surface);
+	    return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+	}
+    }
+
+    return &surface->base.base;
+}
+
+static cairo_surface_t *
+radeon_surface_create (cairo_drm_device_t *device,
+		       cairo_format_t format,
+		       int width, int height)
+{
+    switch (format) {
+    default:
+    case CAIRO_FORMAT_INVALID:
+    case CAIRO_FORMAT_A1:
+    case CAIRO_FORMAT_RGB16_565:
+	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
+    case CAIRO_FORMAT_ARGB32:
+    case CAIRO_FORMAT_RGB24:
+    case CAIRO_FORMAT_A8:
+	break;
+    }
+
+    return radeon_surface_create_internal (device, format, width, height);
+}
+
+static cairo_surface_t *
+radeon_surface_create_for_name (cairo_drm_device_t *device,
+			      unsigned int name,
+			      cairo_format_t format,
+			      int width, int height, int stride)
+{
+    radeon_surface_t *surface;
+    cairo_status_t status;
+
+    switch (format) {
+    default:
+    case CAIRO_FORMAT_INVALID:
+    case CAIRO_FORMAT_A1:
+    case CAIRO_FORMAT_RGB16_565:
+	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
+    case CAIRO_FORMAT_ARGB32:
+    case CAIRO_FORMAT_RGB24:
+    case CAIRO_FORMAT_A8:
+	break;
+    }
+
+    if (stride < cairo_format_stride_for_width (format, width))
+	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_STRIDE));
+
+    surface = _cairo_malloc (sizeof (radeon_surface_t));
+    if (unlikely (surface == NULL))
+	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+
+    radeon_surface_init (surface, device, format, width, height);
+
+    if (width && height) {
+	surface->base.stride = stride;
+
+	surface->base.bo = radeon_bo_create_for_name (to_radeon_device (&device->base),
+						      name);
+
+	if (unlikely (surface->base.bo == NULL)) {
+	    status = _cairo_drm_surface_finish (&surface->base);
+	    free (surface);
+	    return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+	}
+    }
+
+    return &surface->base.base;
+}
+
+static void
+radeon_device_destroy (void *data)
+{
+    radeon_device_t *device = data;
+
+    radeon_device_fini (device);
+
+    free (data);
+}
+
+cairo_drm_device_t *
+_cairo_drm_radeon_device_create (int fd, dev_t dev, int vendor_id, int chip_id)
+{
+    radeon_device_t *device;
+    uint64_t gart_size, vram_size;
+    cairo_status_t status;
+
+    if (! radeon_info (fd, &gart_size, &vram_size))
+	return NULL;
+
+    device = _cairo_malloc (sizeof (radeon_device_t));
+    if (device == NULL)
+	return _cairo_drm_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
+
+    status = radeon_device_init (device, fd);
+    if (unlikely (status)) {
+	free (device);
+	return _cairo_drm_device_create_in_error (status);
+    }
+
+    device->base.surface.create = radeon_surface_create;
+    device->base.surface.create_for_name = radeon_surface_create_for_name;
+    device->base.surface.create_from_cacheable_image = NULL;
+    device->base.surface.flink = _cairo_drm_surface_flink;
+    device->base.surface.enable_scan_out = NULL;
+
+    device->base.device.flush = NULL;
+    device->base.device.throttle = NULL;
+    device->base.device.destroy = radeon_device_destroy;
+
+    device->vram_limit = vram_size;
+    device->gart_limit = gart_size;
+
+    return _cairo_drm_device_init (&device->base, fd, dev, vendor_id, chip_id, MAX_SIZE);
+}