Author: post
Date: 2010-11-08 19:08:17 +0100 (Mon, 08 Nov 2010)
New Revision: 3611
Modified:
trunk/plugins/denoise/denoise.c
Log:
Denoise: Only copy active part of the image - massively (more than twice)
faster updates in 100% view and loupe.
Modified: trunk/plugins/denoise/denoise.c
===================================================================
--- trunk/plugins/denoise/denoise.c 2010-11-08 18:00:16 UTC (rev 3610)
+++ trunk/plugins/denoise/denoise.c 2010-11-08 18:08:17 UTC (rev 3611)
@@ -23,6 +23,7 @@
#include <gettext.h>
#include <math.h> /* pow() */
#include "denoiseinterface.h"
+#include <string.h> /* memcpy */
#define RS_TYPE_DENOISE (rs_denoise_type)
#define RS_DENOISE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), RS_TYPE_DENOISE,
RSDenoise))
@@ -204,6 +205,25 @@
denoise->settings = NULL;
}
+static inline void
+bit_blt(char* dstp, int dst_pitch, const char* srcp, int src_pitch, int
row_size, int height)
+{
+ if (height == 1 || (dst_pitch == src_pitch && src_pitch == row_size))
+ {
+ memcpy(dstp, srcp, row_size*height);
+ return;
+ }
+
+ int y;
+ for (y = height; y > 0; --y)
+ {
+ memcpy(dstp, srcp, row_size);
+ dstp += dst_pitch;
+ srcp += src_pitch;
+ }
+}
+
+
static RSFilterResponse *
get_image(RSFilter *filter, const RSFilterRequest *request)
{
@@ -243,22 +263,25 @@
gfloat scale = 1.0;
rs_filter_get_recursive(RS_FILTER(denoise), "scale", &scale, NULL);
- output = rs_image16_copy(input, TRUE);
- g_object_unref(input);
-
- rs_filter_response_set_image(response, output);
- g_object_unref(output);
-
if ((roi = rs_filter_request_get_roi(request)))
{
/* Align so we start at even pixel counts */
roi->width += (roi->x&1);
roi->x -= (roi->x&1);
+ output = rs_image16_copy(input, FALSE);
tmp = rs_image16_new_subframe(output, roi);
+ bit_blt((char*)GET_PIXEL(tmp,0,0), tmp->rowstride * 2,
+ (const char*)GET_PIXEL(input,roi->x,roi->y),
input->rowstride * 2, tmp->rowstride * 2, tmp->h);
}
else
+ {
+ output = rs_image16_copy(input, TRUE);
tmp = g_object_ref(output);
+ }
+ g_object_unref(input);
+ rs_filter_response_set_image(response, output);
+ g_object_unref(output);
denoise->info.image = tmp;
denoise->info.sigmaLuma = ((float) denoise->denoise_luma * scale) / 3.0;
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