[gegl/abyss: 5/22] abyss policy: added abyss policy to gegl_buffer_get
- From: Ville Sokk <villesokk src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gegl/abyss: 5/22] abyss policy: added abyss policy to gegl_buffer_get
- Date: Thu, 2 Aug 2012 18:03:23 +0000 (UTC)
commit c0065f962211aa268b4779177e5f65dd3d7d66b2
Author: Ville Sokk <ville sokk gmail com>
Date: Wed Jun 27 19:38:15 2012 +0300
abyss policy: added abyss policy to gegl_buffer_get
Conflicts:
gegl/buffer/gegl-buffer-access.c
gegl/buffer/gegl-buffer-access.c | 911 ++++++++++++++++++++++++++++++++------
1 files changed, 784 insertions(+), 127 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-access.c b/gegl/buffer/gegl-buffer-access.c
index 75fe48c..23576d7 100644
--- a/gegl/buffer/gegl-buffer-access.c
+++ b/gegl/buffer/gegl-buffer-access.c
@@ -334,13 +334,12 @@ gegl_buffer_flush (GeglBuffer *buffer)
static inline void
-gegl_buffer_iterate (GeglBuffer *buffer,
- const GeglRectangle *roi, /* or NULL for extent */
- guchar *buf,
- gint rowstride,
- gboolean write,
- const Babl *format,
- gint level)
+gegl_buffer_iterate_write (GeglBuffer *buffer,
+ const GeglRectangle *roi, /* or NULL for extent */
+ guchar *buf,
+ gint rowstride,
+ const Babl *format,
+ gint level)
{
gint tile_width = buffer->tile_storage->tile_width;
gint tile_height = buffer->tile_storage->tile_height;
@@ -392,18 +391,228 @@ gegl_buffer_iterate (GeglBuffer *buffer,
fish = NULL;
}
else
+ fish = babl_fish ((gpointer) format,
+ (gpointer) buffer->soft_format);
+
+ while (bufy < height)
{
- if (write)
+ gint tiledy = buffer_y + bufy;
+ gint offsety = gegl_tile_offset (tiledy, tile_height);
+ gint bufx = 0;
+
+ while (bufx < width)
{
- fish = babl_fish ((gpointer) format,
- (gpointer) buffer->soft_format);
+ gint tiledx = buffer_x + bufx;
+ gint offsetx = gegl_tile_offset (tiledx, tile_width);
+ gint y = bufy;
+ gint lskip, rskip, pixels, row;
+ guchar *bp, *tile_base, *tp;
+ GeglTile *tile;
+
+ bp = buf + bufy * buf_stride + bufx * bpx_size;
+
+ if (width + offsetx - bufx < tile_width)
+ pixels = (width + offsetx - bufx) - offsetx;
+ else
+ pixels = tile_width - offsetx;
+
+ tile = gegl_tile_source_get_tile ((GeglTileSource *) (buffer),
+ gegl_tile_indice (tiledx, tile_width),
+ gegl_tile_indice (tiledy, tile_height),
+ level);
+
+ lskip = (buffer_abyss_x) - (buffer_x + bufx);
+ /* gap between left side of tile, and abyss */
+ rskip = (buffer_x + bufx + pixels) - abyss_x_total;
+ /* gap between right side of tile, and abyss */
+
+ if (lskip < 0)
+ lskip = 0;
+ if (lskip > pixels)
+ lskip = pixels;
+ if (rskip < 0)
+ rskip = 0;
+ if (rskip > pixels)
+ rskip = pixels;
+
+ if (!tile)
+ {
+ g_warning ("didn't get tile, trying to continue");
+ bufx += (tile_width - offsetx);
+ continue;
+ }
+
+ gegl_tile_lock (tile);
+
+ tile_base = gegl_tile_get_data (tile);
+ tp = ((guchar *) tile_base) + (offsety * tile_width + offsetx) * px_size;
+
+ if (fish)
+ {
+ for (row = offsety;
+ row < tile_height &&
+ y < height &&
+ buffer_y + y < abyss_y_total;
+ row++, y++)
+ {
+
+ if (buffer_y + y >= buffer_abyss_y &&
+ buffer_y + y < abyss_y_total)
+ {
+ babl_process (fish, bp + lskip * bpx_size, tp + lskip * px_size,
+ pixels - lskip - rskip);
+ }
+
+ tp += tile_stride;
+ bp += buf_stride;
+ }
+ }
+ else
+ {
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+
+ if (buffer_y + y >= buffer_abyss_y &&
+ buffer_y + y < abyss_y_total)
+ {
+
+ memcpy (tp + lskip * px_size, bp + lskip * px_size,
+ (pixels - lskip - rskip) * px_size);
+ }
+
+ tp += tile_stride;
+ bp += buf_stride;
+ }
+ }
+
+ gegl_tile_unlock (tile);
+ gegl_tile_unref (tile);
+ bufx += (tile_width - offsetx);
}
- else
+ bufy += (tile_height - offsety);
+ }
+}
+
+static inline void
+gegl_buffer_iterate_read_simple (GeglBuffer *buffer,
+ const GeglRectangle *roi,
+ guchar *buf,
+ gint buf_stride,
+ const Babl *format,
+ gint level)
+{
+ gint tile_width = buffer->tile_storage->tile_width;
+ gint tile_height = buffer->tile_storage->tile_height;
+ gint px_size = babl_format_get_bytes_per_pixel (buffer->soft_format);
+ gint bpx_size = babl_format_get_bytes_per_pixel (format);
+ gint tile_stride = px_size * tile_width;
+ gint bufy = 0;
+
+ gint width = roi->width;
+ gint height = roi->height;
+ gint buffer_x = roi->x;
+ gint buffer_y = roi->y;
+
+ const Babl *fish;
+
+ if (format == buffer->soft_format)
+ fish = NULL;
+ else
+ fish = babl_fish ((gpointer) buffer->soft_format,
+ (gpointer) format);
+
+ while (bufy < height)
+ {
+ gint tiledy = buffer_y + bufy;
+ gint offsety = gegl_tile_offset (tiledy, tile_height);
+ gint bufx = 0;
+
+ while (bufx < width)
{
- fish = babl_fish ((gpointer) buffer->soft_format,
- (gpointer) format);
+ gint tiledx = buffer_x + bufx;
+ gint offsetx = gegl_tile_offset (tiledx, tile_width);
+ guchar *bp, *tile_base, *tp;
+ gint pixels, row, y;
+ GeglTile *tile;
+
+ bp = buf + bufy * buf_stride + bufx * bpx_size;
+
+ if (width + offsetx - bufx < tile_width)
+ pixels = (width + offsetx - bufx) - offsetx;
+ else
+ pixels = tile_width - offsetx;
+
+ tile = gegl_tile_source_get_tile ((GeglTileSource *) (buffer),
+ gegl_tile_indice (tiledx, tile_width),
+ gegl_tile_indice (tiledy, tile_height),
+ level);
+
+ if (!tile)
+ {
+ g_warning ("didn't get tile, trying to continue");
+ bufx += (tile_width - offsetx);
+ continue;
+ }
+
+ tile_base = gegl_tile_get_data (tile);
+ tp = ((guchar *) tile_base) + (offsety * tile_width + offsetx) * px_size;
+
+ y = bufy;
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ if (fish)
+ babl_process (fish, tp, bp, pixels);
+ else
+ memcpy (bp, tp, pixels * px_size);
+
+ tp += tile_stride;
+ bp += buf_stride;
+ }
+
+ gegl_tile_unref (tile);
+ bufx += (tile_width - offsetx);
}
+ bufy += (tile_height - offsety);
}
+}
+
+static inline void
+gegl_buffer_iterate_read_abyss_none (GeglBuffer *buffer,
+ const GeglRectangle *roi,
+ const GeglRectangle *abyss,
+ guchar *buf,
+ gint buf_stride,
+ const Babl *format,
+ gint level)
+{
+ gint tile_width = buffer->tile_storage->tile_width;
+ gint tile_height = buffer->tile_storage->tile_height;
+ gint px_size = babl_format_get_bytes_per_pixel (buffer->soft_format);
+ gint bpx_size = babl_format_get_bytes_per_pixel (format);
+ gint tile_stride = px_size * tile_width;
+ gint bufy = 0;
+
+ gint width = roi->width;
+ gint height = roi->height;
+ gint buffer_x = roi->x;
+ gint buffer_y = roi->y;
+
+ gint buffer_abyss_x = abyss->x;
+ gint buffer_abyss_y = abyss->y;
+ gint abyss_x_total = buffer_abyss_x + abyss->width;
+ gint abyss_y_total = buffer_abyss_y + abyss->height;
+
+ const Babl *fish;
+
+ if (format == buffer->soft_format)
+ fish = NULL;
+ else
+ fish = babl_fish ((gpointer) buffer->soft_format,
+ (gpointer) format);
while (bufy < height)
{
@@ -415,19 +624,16 @@ gegl_buffer_iterate (GeglBuffer *buffer,
if (!(buffer_y + bufy + (tile_height) >= buffer_abyss_y &&
buffer_y + bufy < abyss_y_total))
{ /* entire row of tiles is in abyss */
- if (!write)
- {
- gint row;
- gint y = bufy;
- guchar *bp = buf + bufy * buf_stride;
+ gint row;
+ gint y = bufy;
+ guchar *bp = buf + ((bufy) * width) * bpx_size;
- for (row = offsety;
- row < tile_height && y < height;
- row++, y++)
- {
- memset (bp, 0x00, width * bpx_size);
- bp += buf_stride;
- }
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ memset (bp, 0x00, buf_stride);
+ bp += buf_stride;
}
}
else
@@ -450,31 +656,29 @@ gegl_buffer_iterate (GeglBuffer *buffer,
if (!(buffer_x + bufx + tile_width >= buffer_abyss_x &&
buffer_x + bufx < abyss_x_total))
{ /* entire tile is in abyss */
- if (!write)
- {
- gint row;
- gint y = bufy;
+ gint row;
+ gint y = bufy;
- for (row = offsety;
- row < tile_height && y < height;
- row++, y++)
- {
- memset (bp, 0x00, pixels * bpx_size);
- bp += buf_stride;
- }
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ memset (bp, 0x00, pixels * bpx_size);
+ bp += buf_stride;
}
}
else
{
guchar *tile_base, *tp;
+ gint row, y, lskip, rskip;
GeglTile *tile = gegl_tile_source_get_tile ((GeglTileSource *) (buffer),
- gegl_tile_indice (tiledx, tile_width),
- gegl_tile_indice (tiledy, tile_height),
- level);
+ gegl_tile_indice (tiledx, tile_width),
+ gegl_tile_indice (tiledy, tile_height),
+ level);
- gint lskip = (buffer_abyss_x) - (buffer_x + bufx);
+ lskip = (buffer_abyss_x) - (buffer_x + bufx);
/* gap between left side of tile, and abyss */
- gint rskip = (buffer_x + bufx + pixels) - abyss_x_total;
+ rskip = (buffer_x + bufx + pixels) - abyss_x_total;
/* gap between right side of tile, and abyss */
if (lskip < 0)
@@ -499,91 +703,202 @@ gegl_buffer_iterate (GeglBuffer *buffer,
tile_base = gegl_tile_get_data (tile);
tp = ((guchar *) tile_base) + (offsety * tile_width + offsetx) * px_size;
- if (write)
+ y = bufy;
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
{
- gint row;
- gint y = bufy;
-
-
- if (fish)
+ if (buffer_y + y >= buffer_abyss_y &&
+ buffer_y + y < abyss_y_total)
{
- for (row = offsety;
- row < tile_height &&
- y < height &&
- buffer_y + y < abyss_y_total;
- row++, y++)
- {
-
- if (buffer_y + y >= buffer_abyss_y &&
- buffer_y + y < abyss_y_total)
- {
- babl_process (fish, bp + lskip * bpx_size, tp + lskip * px_size,
- pixels - lskip - rskip);
- }
-
- tp += tile_stride;
- bp += buf_stride;
- }
+ if (fish)
+ babl_process (fish, tp, bp, pixels);
+ else
+ memcpy (bp, tp, pixels * px_size);
}
else
{
- for (row = offsety;
- row < tile_height && y < height;
- row++, y++)
- {
-
- if (buffer_y + y >= buffer_abyss_y &&
- buffer_y + y < abyss_y_total)
- {
-
- memcpy (tp + lskip * px_size, bp + lskip * px_size,
- (pixels - lskip - rskip) * px_size);
- }
-
- tp += tile_stride;
- bp += buf_stride;
- }
+ /* entire row in abyss */
+ memset (bp, 0x00, pixels * bpx_size);
}
- gegl_tile_unlock (tile);
+ /* left hand zeroing of abyss in tile */
+ if (lskip)
+ memset (bp, 0x00, bpx_size * lskip);
+
+ /* right side zeroing of abyss in tile */
+ if (rskip)
+ memset (bp + (pixels - rskip) * bpx_size, 0x00, bpx_size * rskip);
+
+ tp += tile_stride;
+ bp += buf_stride;
+ }
+ gegl_tile_unref (tile);
+ }
+ bufx += (tile_width - offsetx);
+ }
+ bufy += (tile_height - offsety);
+ }
+}
+
+static inline void
+gegl_buffer_iterate_read_abyss_color (GeglBuffer *buffer,
+ const GeglRectangle *roi,
+ const GeglRectangle *abyss,
+ guchar *buf,
+ gint buf_stride,
+ const Babl *format,
+ gint level,
+ guchar *color)
+{
+ gint tile_width = buffer->tile_storage->tile_width;
+ gint tile_height = buffer->tile_storage->tile_height;
+ gint px_size = babl_format_get_bytes_per_pixel (buffer->soft_format);
+ gint bpx_size = babl_format_get_bytes_per_pixel (format);
+ gint tile_stride = px_size * tile_width;
+ gint bufy = 0;
+
+ gint width = roi->width;
+ gint height = roi->height;
+ gint buffer_x = roi->x;
+ gint buffer_y = roi->y;
+
+ gint buffer_abyss_x = abyss->x;
+ gint buffer_abyss_y = abyss->y;
+ gint abyss_x_total = buffer_abyss_x + abyss->width;
+ gint abyss_y_total = buffer_abyss_y + abyss->height;
+
+ const Babl *fish;
+
+ if (format == buffer->soft_format)
+ fish = NULL;
+ else
+ fish = babl_fish ((gpointer) buffer->soft_format,
+ (gpointer) format);
+
+ while (bufy < height)
+ {
+ gint tiledy = buffer_y + bufy;
+ gint offsety = gegl_tile_offset (tiledy, tile_height);
+ gint bufx = 0;
+ gint i;
+
+ if (!(buffer_y + bufy + (tile_height) >= buffer_abyss_y &&
+ buffer_y + bufy < abyss_y_total))
+ { /* entire row of tiles is in abyss */
+ gint row;
+ gint y = bufy;
+ guchar *bp = buf + ((bufy) * width) * bpx_size;
+
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ for (i = 0; i < buf_stride; i += bpx_size)
+ memcpy (bp + i, color, bpx_size);
+ bp += buf_stride;
+ }
+ }
+ else
+ while (bufx < width)
+ {
+ gint tiledx = buffer_x + bufx;
+ gint offsetx = gegl_tile_offset (tiledx, tile_width);
+ gint pixels;
+ guchar *bp;
+
+ bp = buf + bufy * buf_stride + bufx * bpx_size;
+
+ if (width + offsetx - bufx < tile_width)
+ pixels = (width + offsetx - bufx) - offsetx;
+ else
+ pixels = tile_width - offsetx;
+
+ if (!(buffer_x + bufx + tile_width >= buffer_abyss_x &&
+ buffer_x + bufx < abyss_x_total))
+ { /* entire tile is in abyss */
+ gint row;
+ gint y = bufy;
+
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ for (i = 0; i < pixels * bpx_size; i += bpx_size)
+ memcpy (bp + i, color, bpx_size);
+ bp += buf_stride;
}
- else /* read */
+ }
+ else
+ {
+ guchar *tile_base, *tp;
+ gint row, y, lskip, rskip;
+ GeglTile *tile = gegl_tile_source_get_tile ((GeglTileSource *) (buffer),
+ gegl_tile_indice (tiledx, tile_width),
+ gegl_tile_indice (tiledy, tile_height),
+ level);
+
+ lskip = (buffer_abyss_x) - (buffer_x + bufx);
+ /* gap between left side of tile, and abyss */
+ rskip = (buffer_x + bufx + pixels) - abyss_x_total;
+ /* gap between right side of tile, and abyss */
+
+ if (lskip < 0)
+ lskip = 0;
+ if (lskip > pixels)
+ lskip = pixels;
+ if (rskip < 0)
+ rskip = 0;
+ if (rskip > pixels)
+ rskip = pixels;
+
+ if (!tile)
{
- gint row;
- gint y = bufy;
+ g_warning ("didn't get tile, trying to continue");
+ bufx += (tile_width - offsetx);
+ continue;
+ }
- for (row = offsety;
- row < tile_height && y < height;
- row++, y++)
+ tile_base = gegl_tile_get_data (tile);
+ tp = ((guchar *) tile_base) + (offsety * tile_width + offsetx) * px_size;
+
+ y = bufy;
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ if (buffer_y + y >= buffer_abyss_y &&
+ buffer_y + y < abyss_y_total)
{
- if (buffer_y + y >= buffer_abyss_y &&
- buffer_y + y < abyss_y_total)
- {
- if (fish)
- babl_process (fish, tp, bp, pixels);
- else
- memcpy (bp, tp, pixels * px_size);
- }
+ if (fish)
+ babl_process (fish, tp, bp, pixels);
else
- {
- /* entire row in abyss */
- memset (bp, 0x00, pixels * bpx_size);
- }
-
- /* left hand zeroing of abyss in tile */
- if (lskip)
- {
- memset (bp, 0x00, bpx_size * lskip);
- }
-
- /* right side zeroing of abyss in tile */
- if (rskip)
- {
- memset (bp + (pixels - rskip) * bpx_size, 0x00, bpx_size * rskip);
- }
- tp += tile_stride;
- bp += buf_stride;
+ memcpy (bp, tp, pixels * px_size);
}
+ else
+ {
+ /* entire row in abyss */
+ for (i = 0; i < pixels * bpx_size; i += bpx_size)
+ memcpy (bp + i, color, bpx_size);
+ }
+
+ /* left hand zeroing of abyss in tile */
+ if (lskip)
+ {
+ for (i = 0; i < lskip * bpx_size; i += bpx_size)
+ memcpy (bp + i, color, bpx_size);
+ }
+
+ /* right side zeroing of abyss in tile */
+ if (rskip)
+ {
+ guchar *bp_ = bp + (pixels - rskip) * bpx_size;
+ for (i = 0; i < rskip * bpx_size; i += bpx_size)
+ memcpy (bp_ + i, color, bpx_size);
+ }
+
+ tp += tile_stride;
+ bp += buf_stride;
}
gegl_tile_unref (tile);
}
@@ -593,6 +908,345 @@ gegl_buffer_iterate (GeglBuffer *buffer,
}
}
+static inline void
+gegl_buffer_iterate_read_abyss_clamp (GeglBuffer *buffer,
+ const GeglRectangle *roi,
+ const GeglRectangle *abyss,
+ guchar *buf,
+ gint buf_stride,
+ const Babl *format,
+ gint level)
+{
+ gint tile_width = buffer->tile_storage->tile_width;
+ gint tile_height = buffer->tile_storage->tile_height;
+ gint px_size = babl_format_get_bytes_per_pixel (buffer->soft_format);
+ gint bpx_size = babl_format_get_bytes_per_pixel (format);
+ gint tile_stride = px_size * tile_width;
+ gint bufy = 0;
+
+ gint width = roi->width;
+ gint height = roi->height;
+ gint buffer_x = roi->x;
+ gint buffer_y = roi->y;
+
+ gint buffer_abyss_x = abyss->x;
+ gint buffer_abyss_y = abyss->y;
+ gint abyss_x_total = buffer_abyss_x + abyss->width;
+ gint abyss_y_total = buffer_abyss_y + abyss->height;
+
+ const Babl *fish;
+
+ if (format == buffer->soft_format)
+ fish = NULL;
+ else
+ fish = babl_fish ((gpointer) buffer->soft_format,
+ (gpointer) format);
+
+ while (bufy < height)
+ {
+ gint tiledy = CLAMP (buffer_y + bufy, buffer_abyss_y, abyss_y_total - 1);
+ gint offsety = gegl_tile_offset (tiledy, tile_height);
+ gint bufx = 0;
+ gboolean row_in_abyss = !(buffer_y + bufy + (tile_height) >= buffer_abyss_y &&
+ buffer_y + bufy < abyss_y_total);
+
+ while (bufx < width)
+ {
+ gint tiledx = CLAMP (buffer_x + bufx, buffer_abyss_x, abyss_x_total - 1);
+ gint offsetx = gegl_tile_offset (tiledx, tile_width);
+ gint row, y, pixels, lskip, rskip;
+ guchar *bp, *tile_base, *tp;
+ GeglTile *tile;
+
+ bp = buf + bufy * buf_stride + bufx * bpx_size;
+
+ tile = gegl_tile_source_get_tile ((GeglTileSource *) (buffer),
+ gegl_tile_indice (tiledx, tile_width),
+ gegl_tile_indice (tiledy, tile_height),
+ level);
+
+ if (!tile)
+ {
+ g_warning ("didn't get tile, trying to continue");
+ bufx += (tile_width - offsetx);
+ continue;
+ }
+
+ tile_base = gegl_tile_get_data (tile);
+ tp = ((guchar *) tile_base) + (offsety * tile_width + offsetx) * px_size;
+
+ y = bufy;
+ if (tiledx != buffer_x + bufx)
+ { /* x was clamped */
+ guchar color[128];
+ gint i;
+
+ /* gap between current column and left side of abyss */
+ lskip = (buffer_abyss_x) - (buffer_x + bufx);
+ /* gap between current column and end of roi */
+ rskip = width - bufx;
+ pixels = (lskip > 0) ? lskip : rskip;
+
+ if (row_in_abyss)
+ {
+ if (fish)
+ babl_process (fish, tp, color, 1);
+ else
+ memcpy (color, tp, px_size);
+
+ for (row = 0;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ for (i = 0; i < pixels * bpx_size; i += bpx_size)
+ memcpy (bp + i, color, bpx_size);
+ bp += buf_stride;
+ }
+ }
+ else
+ {
+ for (row = offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ if (fish)
+ babl_process (fish, tp, color, 1);
+ else
+ memcpy (color, tp, px_size);
+
+ for (i = 0; i < pixels * bpx_size; i += bpx_size)
+ memcpy (bp + i, color, bpx_size);
+
+ if (buffer_y + y >= buffer_abyss_y
+ && buffer_y + y < abyss_y_total - 1)
+ tp += tile_stride;
+ bp += buf_stride;
+ }
+ }
+ }
+ else
+ {
+ if (width + offsetx - bufx < tile_width)
+ pixels = (width + offsetx - bufx) - offsetx;
+ else
+ pixels = tile_width - offsetx;
+
+ /* gap between current column and right side of abyss */
+ rskip = abyss_x_total - (buffer_x + bufx);
+ if (rskip > 0 && rskip < pixels)
+ pixels = rskip;
+
+ for (row = (row_in_abyss) ? 0 : offsety;
+ row < tile_height && y < height;
+ row++, y++)
+ {
+ if (fish)
+ babl_process (fish, tp, bp, pixels);
+ else
+ memcpy (bp, tp, pixels * px_size);
+
+ if (buffer_y + y >= buffer_abyss_y
+ && buffer_y + y < abyss_y_total - 1)
+ tp += tile_stride;
+ bp += buf_stride;
+ }
+ }
+ gegl_tile_unref (tile);
+ bufx += pixels;
+ }
+ if (row_in_abyss)
+ bufy += tile_height;
+ else
+ bufy += (tile_height - offsety);
+ }
+}
+
+static inline void
+gegl_buffer_iterate_read_abyss_loop (GeglBuffer *buffer,
+ const GeglRectangle *roi,
+ const GeglRectangle *abyss,
+ guchar *buf,
+ gint buf_stride,
+ const Babl *format,
+ gint level)
+{
+ gint tile_width = buffer->tile_storage->tile_width;
+ gint tile_height = buffer->tile_storage->tile_height;
+ gint px_size = babl_format_get_bytes_per_pixel (buffer->soft_format);
+ gint bpx_size = babl_format_get_bytes_per_pixel (format);
+ gint tile_stride = px_size * tile_width;
+ gint bufy = 0;
+
+ gint width = roi->width;
+ gint height = roi->height;
+ gint buffer_x = roi->x;
+ gint buffer_y = roi->y;
+
+ gint buffer_abyss_x = abyss->x;
+ gint buffer_abyss_y = abyss->y;
+ gint abyss_x_total = buffer_abyss_x + abyss->width;
+ gint abyss_y_total = buffer_abyss_y + abyss->height;
+
+ const Babl *fish;
+
+ if (format == buffer->soft_format)
+ fish = NULL;
+ else
+ fish = babl_fish ((gpointer) buffer->soft_format,
+ (gpointer) format);
+
+ while (bufy < height)
+ {
+ gint tiledy = buffer_abyss_y +
+ GEGL_REMAINDER (buffer_y + bufy - buffer_abyss_y, abyss->height);
+ gint offsety = gegl_tile_offset (tiledy, tile_height);
+ gint bufx = 0;
+ gint rows, topskip, bottomskip;
+
+ if (height - bufy < tile_height)
+ rows = height - bufy;
+ else
+ rows = tile_height - offsety;
+
+ /* gap between current row and top of abyss */
+ topskip = buffer_abyss_y - tiledy;
+ /* gap between current row and bottom of abyss */
+ bottomskip = abyss_y_total - tiledy;
+
+ if (topskip > 0 && topskip < rows)
+ rows = topskip;
+ else if (bottomskip > 0 && bottomskip < rows)
+ rows = bottomskip;
+
+ while (bufx < width)
+ {
+ gint tiledx = buffer_abyss_x +
+ GEGL_REMAINDER (buffer_x + bufx - buffer_abyss_x, abyss->width);
+ gint offsetx = gegl_tile_offset (tiledx, tile_width);
+ guchar *bp, *tile_base, *tp;
+ gint pixels, row, y, lskip, rskip;
+ GeglTile *tile;
+
+ bp = buf + bufy * buf_stride + bufx * bpx_size;
+
+ if (width + offsetx - bufx < tile_width)
+ pixels = (width + offsetx - bufx) - offsetx;
+ else
+ pixels = tile_width - offsetx;
+
+ tile = gegl_tile_source_get_tile ((GeglTileSource *) (buffer),
+ gegl_tile_indice (tiledx, tile_width),
+ gegl_tile_indice (tiledy, tile_height),
+ level);
+
+ /* gap between current column and left side of abyss */
+ lskip = buffer_abyss_x - tiledx;
+ /* gap between current column and right side of abyss */
+ rskip = abyss_x_total - tiledx;
+
+ if (lskip > 0 && lskip < pixels)
+ pixels = lskip;
+ else if (rskip > 0 && rskip < pixels)
+ pixels = rskip;
+
+ if (!tile)
+ {
+ g_warning ("didn't get tile, trying to continue");
+ bufx += pixels;
+ continue;
+ }
+
+ tile_base = gegl_tile_get_data (tile);
+ tp = ((guchar *) tile_base) + (offsety * tile_width + offsetx) * px_size;
+
+ y = bufy;
+ for (row = 0;
+ row < rows && y < height;
+ row++, y++)
+ {
+ if (fish)
+ babl_process (fish, tp, bp, pixels);
+ else
+ memcpy (bp, tp, pixels * px_size);
+
+ tp += tile_stride;
+ bp += buf_stride;
+ }
+
+ gegl_tile_unref (tile);
+ bufx += pixels;
+ }
+ bufy += rows;
+ }
+}
+
+static inline void
+gegl_buffer_iterate_read_dispatch (GeglBuffer *buffer,
+ const GeglRectangle *roi,
+ guchar *buf,
+ gint rowstride,
+ const Babl *format,
+ gint level,
+ GeglAbyssPolicy repeat_mode)
+{
+ GeglRectangle abyss = {buffer->abyss.x + buffer->shift_x,
+ buffer->abyss.y + buffer->shift_y,
+ buffer->abyss.width,
+ buffer->abyss.height};
+ GeglRectangle abyss_factored = abyss;
+ GeglRectangle roi_factored = *roi;
+ gint factor = 1<<level;
+
+ abyss_factored.x /= factor;
+ abyss_factored.y /= factor;
+ abyss_factored.width /= factor;
+ abyss_factored.height /= factor;
+
+ roi_factored.x = (buffer->shift_x + roi_factored.x) / factor;
+ roi_factored.y = (buffer->shift_y + roi_factored.y) / factor;
+ roi_factored.width /= factor;
+ roi_factored.height /= factor;
+
+ if (rowstride == GEGL_AUTO_ROWSTRIDE)
+ rowstride = roi->width * babl_format_get_bytes_per_pixel (format);
+
+ if (gegl_rectangle_contains (&abyss, roi))
+ {
+ gegl_buffer_iterate_read_simple (buffer, &roi_factored, buf, rowstride, format, level);
+ }
+ else if (repeat_mode == GEGL_ABYSS_NONE)
+ {
+ gegl_buffer_iterate_read_abyss_none (buffer, &roi_factored, &abyss_factored,
+ buf, rowstride, format, level);
+ }
+ else if (repeat_mode == GEGL_ABYSS_WHITE ||
+ repeat_mode == GEGL_ABYSS_BLACK)
+ {
+ gfloat color_a[4] = {0.0, 0.0, 0.0, 1.0};
+ guchar color[128];
+ gint i;
+
+ if (repeat_mode == GEGL_ABYSS_WHITE)
+ for (i = 0; i < 3; i++)
+ color_a[i] = 1.0;
+ babl_process (babl_fish (babl_format ("RGBA float"), format),
+ color_a, color, 1);
+
+ gegl_buffer_iterate_read_abyss_color (buffer, &roi_factored, &abyss_factored,
+ buf, rowstride, format, level, color);
+ }
+ else if (repeat_mode == GEGL_ABYSS_CLAMP)
+ {
+ gegl_buffer_iterate_read_abyss_clamp (buffer, &roi_factored, &abyss_factored,
+ buf, rowstride, format, level);
+ }
+ else
+ {
+ gegl_buffer_iterate_read_abyss_loop (buffer, &roi_factored, &abyss_factored,
+ buf, rowstride, format, level);
+ }
+}
+
void
gegl_buffer_set_unlocked (GeglBuffer *buffer,
const GeglRectangle *rect,
@@ -627,7 +1281,7 @@ gegl_buffer_set_unlocked_no_notify (GeglBuffer *buffer,
}
else
#endif
- gegl_buffer_iterate (buffer, rect, (void *) src, rowstride, TRUE, format, 0);
+ gegl_buffer_iterate_write (buffer, rect, (void *) src, rowstride, format, 0);
if (gegl_buffer_is_shared(buffer))
{
@@ -997,7 +1651,8 @@ gegl_buffer_get_unlocked (GeglBuffer *buffer,
if (!rect && scale == 1.0)
{
- gegl_buffer_iterate (buffer, NULL, dest_buf, rowstride, FALSE, format, 0);
+ gegl_buffer_iterate_read_dispatch (buffer, &buffer->extent, dest_buf,
+ rowstride, format, 0, repeat_mode);
return;
}
@@ -1009,7 +1664,8 @@ gegl_buffer_get_unlocked (GeglBuffer *buffer,
}
if (GEGL_FLOAT_EQUAL (scale, 1.0))
{
- gegl_buffer_iterate (buffer, rect, dest_buf, rowstride, FALSE, format, 0);
+ gegl_buffer_iterate_read_dispatch (buffer, rect, dest_buf, rowstride,
+ format, 0, repeat_mode);
return;
}
else
@@ -1049,7 +1705,8 @@ gegl_buffer_get_unlocked (GeglBuffer *buffer,
offset_y = rect->y-floor(rect->y/scale) * scale;
sample_buf = g_malloc (buf_width * buf_height * bpp);
- gegl_buffer_iterate (buffer, &sample_rect, sample_buf, GEGL_AUTO_ROWSTRIDE, FALSE, format, level);
+ gegl_buffer_iterate_read_dispatch (buffer, &sample_rect, sample_buf, GEGL_AUTO_ROWSTRIDE,
+ format, level, repeat_mode);
#if 1
/* slows testing of rendering code speed too much for now and
* no time to make a fast implementation
@@ -1217,7 +1874,7 @@ gegl_buffer_copy2 (GeglBuffer *src,
dest_rect_r.width = src_rect->width;
dest_rect_r.height = src_rect->height;
- i = gegl_buffer_iterator_new (dst, &dest_rect_r, 0, dst->soft_format,
+ i = gegl_buffer_iterator_new (dst, &dest_rect_r, 0, dst->soft_format,
GEGL_BUFFER_WRITE, GEGL_ABYSS_NONE);
read = gegl_buffer_iterator_add (i, src, src_rect, 0, src->soft_format,
GEGL_BUFFER_READ, GEGL_ABYSS_NONE);
@@ -1286,7 +1943,7 @@ gegl_buffer_copy (GeglBuffer *src,
{
GeglRectangle top, bottom, left, right;
-
+
/* iterate over rectangle that can be cow copied, duplicating
* one and one tile
*/
@@ -1296,7 +1953,7 @@ gegl_buffer_copy (GeglBuffer *src,
gint dst_x, dst_y;
GeglTileHandlerChain *storage;
GeglTileHandlerCache *cache;
-
+
storage = GEGL_TILE_HANDLER_CHAIN (dst->tile_storage);
cache = GEGL_TILE_HANDLER_CACHE (gegl_tile_handler_chain_get_first (storage, GEGL_TYPE_TILE_HANDLER_CACHE));
@@ -1327,7 +1984,7 @@ gegl_buffer_copy (GeglBuffer *src,
/* XXX: this call should only be neccesary as long as GIMP
* is dropping tile caches behind our back
*/
- if(gegl_tile_source_set_tile ((GeglTileSource*)dst, dtx, dty, 0,
+ if(gegl_tile_source_set_tile ((GeglTileSource*)dst, dtx, dty, 0,
dst_tile));
gegl_tile_handler_cache_insert (cache, dst_tile, dtx, dty, 0);
@@ -1378,25 +2035,25 @@ gegl_buffer_copy (GeglBuffer *src,
right.width = 0;
if (top.height)
- gegl_buffer_copy2 (src,
+ gegl_buffer_copy2 (src,
GEGL_RECTANGLE (src_rect->x + (top.x-dst_rect->x),
src_rect->y + (top.y-dst_rect->y),
top.width, top.height),
dst, &top);
if (bottom.height)
- gegl_buffer_copy2 (src,
+ gegl_buffer_copy2 (src,
GEGL_RECTANGLE (src_rect->x + (bottom.x-dst_rect->x),
src_rect->y + (bottom.y-dst_rect->y),
bottom.width, bottom.height),
dst, &bottom);
if (left.width)
- gegl_buffer_copy2 (src,
+ gegl_buffer_copy2 (src,
GEGL_RECTANGLE (src_rect->x + (left.x-dst_rect->x),
src_rect->y + (left.y-dst_rect->y),
left.width, left.height),
dst, &left);
if (right.width && right.height)
- gegl_buffer_copy2 (src,
+ gegl_buffer_copy2 (src,
GEGL_RECTANGLE (src_rect->x + (right.x-dst_rect->x),
src_rect->y + (right.y-dst_rect->y),
right.width, right.height),
@@ -1485,7 +2142,7 @@ gegl_buffer_clear (GeglBuffer *dst,
{
GeglRectangle top, bottom, left, right;
-
+
/* iterate over rectangle that can be cow copied, duplicating
* one and one tile
*/
@@ -1613,7 +2270,7 @@ gegl_buffer_set_color (GeglBuffer *dst,
/* FIXME: this can be even further optimized by special casing it so
* that fully filled tiles are shared.
*/
- i = gegl_buffer_iterator_new (dst, dst_rect, 0, dst->soft_format,
+ i = gegl_buffer_iterator_new (dst, dst_rect, 0, dst->soft_format,
GEGL_BUFFER_WRITE, GEGL_ABYSS_NONE);
while (gegl_buffer_iterator_next (i))
{
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