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authorFrans Meulenbroeks <fransmeulenbroeks@gmail.com>2010-10-10 13:22:48 +0200
committerFrans Meulenbroeks <fransmeulenbroeks@gmail.com>2010-10-10 13:22:48 +0200
commit783f3cdb23b699566962eb396ae32b81ff9e4ef1 (patch)
tree755a12ff1fcd68d89c6fd28837b2466703c50ff2 /recipes/obsolete/gtk+/gtk+-2.10.14/integer-pixops.patch
parent04736443306582cd0d2ce2fd081bf9dfa1c27adc (diff)
downloadopenembedded-783f3cdb23b699566962eb396ae32b81ff9e4ef1.tar.gz
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gtk+ : moved unused files to obsolete dir
Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'recipes/obsolete/gtk+/gtk+-2.10.14/integer-pixops.patch')
-rw-r--r--recipes/obsolete/gtk+/gtk+-2.10.14/integer-pixops.patch348
1 files changed, 348 insertions, 0 deletions
diff --git a/recipes/obsolete/gtk+/gtk+-2.10.14/integer-pixops.patch b/recipes/obsolete/gtk+/gtk+-2.10.14/integer-pixops.patch
new file mode 100644
index 0000000000..490a60dd8a
--- /dev/null
+++ b/recipes/obsolete/gtk+/gtk+-2.10.14/integer-pixops.patch
@@ -0,0 +1,348 @@
+--- /tmp/config.h.in 2006-12-23 00:00:38.000000000 +0100
++++ gtk+-2.10.6/config.h.in 2006-12-23 00:01:05.632227000 +0100
+@@ -253,3 +253,7 @@
+
+ /* Define to `int' if <sys/types.h> doesn't define. */
+ #undef uid_t
++
++/* Define to use integer math rather than floating point where possible. */
++#undef ENABLE_INTEGER_PIXOPS
++
+--- /tmp/configure.in 2006-12-23 00:02:16.000000000 +0100
++++ gtk+-2.10.6/configure.in 2006-12-23 00:05:11.172227000 +0100
+@@ -203,6 +203,15 @@
+ [AC_HELP_STRING([--disable-rebuilds],
+ [disable all source autogeneration rules])],,
+ [enable_rebuilds=yes])
++AC_ARG_ENABLE(integer-pixops,
++ [AC_HELP_STRING([--enable-integer-pixops],
++ [use integer math where possible])],,
++ [enable_integer_pixops=no])
++
++if test "x$enable_integer_pixops" = "xyes"; then
++ AC_DEFINE(ENABLE_INTEGER_PIXOPS)
++fi
++
+ AC_ARG_ENABLE(visibility,
+ [AC_HELP_STRING([--disable-visibility],
+ [don't use ELF visibility attributes])],,
+--- /tmp/pixops.c 2006-12-23 10:04:02.000000000 +0100
++++ gtk+-2.10.6/gdk-pixbuf/pixops/pixops.c 2006-12-23 10:04:21.772227000 +0100
+@@ -28,6 +28,10 @@
+ #define SUBSAMPLE_MASK ((1 << SUBSAMPLE_BITS)-1)
+ #define SCALE_SHIFT 16
+
++#ifdef ENABLE_INTEGER_PIXOPS
++#define FRAC 0x10000ULL
++#endif
++
+ typedef struct _PixopsFilter PixopsFilter;
+ typedef struct _PixopsFilterDimension PixopsFilterDimension;
+
+@@ -972,6 +976,29 @@
+ (*pixel_func) (dest, dest_x, dest_channels, dest_has_alpha, src_has_alpha, check_size, color1, color2, r, g, b, a);
+ }
+
++#ifdef ENABLE_INTEGER_PIXOPS
++
++static void
++correct_total (int *weights,
++ int n_x,
++ int n_y,
++ int total,
++ unsigned long overall_alpha)
++{
++ int correction = (int)(overall_alpha - total);
++ int i;
++ for (i = n_x * n_y - 1; i >= 0; i--)
++ {
++ if (*(weights + i) + correction >= 0)
++ {
++ *(weights + i) += correction;
++ break;
++ }
++ }
++}
++
++#else
++
+ static void
+ correct_total (int *weights,
+ int n_x,
+@@ -998,6 +1025,8 @@
+ }
+ }
+
++#endif
++
+ static int *
+ make_filter_table (PixopsFilter *filter)
+ {
+@@ -1026,7 +1055,11 @@
+ *(pixel_weights + n_x * i + j) = weight;
+ }
+
+- correct_total (pixel_weights, n_x, n_y, total, filter->overall_alpha);
++#ifdef ENABLE_INTEGER_PIXOPS
++ correct_total (pixel_weights, n_x, n_y, total, overall_alpha * FRAC);
++#else
++ correct_total (pixel_weights, n_x, n_y, total, overall_alpha);
++#endif
+ }
+
+ return weights;
+@@ -1178,6 +1211,93 @@
+ /* Compute weights for reconstruction by replication followed by
+ * sampling with a box filter
+ */
++#ifdef ENABLE_INTEGER_PIXOPS
++
++static void
++tile_make_weights (PixopsFilter *filter, double x_scale_d, double y_scale_d, double overall_alpha_d)
++{
++ int i_offset, j_offset;
++ unsigned long x_scale = x_scale_d * FRAC;
++ unsigned long y_scale = y_scale_d * FRAC;
++ unsigned long overall_alpha = overall_alpha_d * FRAC;
++ unsigned long x_scale_r = FRAC / x_scale;
++ unsigned long y_scale_r = FRAC / y_scale;
++
++ int n_x = ceil(1/x_scale_d + 1);
++ int n_y = ceil(1/y_scale_d + 1);
++
++ filter->x_offset = 0;
++ filter->y_offset = 0;
++ filter->n_x = n_x;
++ filter->n_y = n_y;
++ filter->weights = g_new (int, SUBSAMPLE * SUBSAMPLE * n_x * n_y);
++
++ for (i_offset=0; i_offset<SUBSAMPLE; i_offset++)
++ for (j_offset=0; j_offset<SUBSAMPLE; j_offset++)
++ {
++ int *pixel_weights = filter->weights + ((i_offset*SUBSAMPLE) + j_offset) * n_x * n_y;
++ unsigned long x = j_offset * FRAC / SUBSAMPLE;
++ unsigned long y = i_offset * FRAC / SUBSAMPLE;
++ int i,j;
++ int total = 0;
++
++ for (i = 0; i < n_y; i++)
++ {
++ unsigned long tw, th;
++
++ if (i < y)
++ {
++
++ if (i + FRAC > y)
++ th = MIN(i+FRAC, y + y_scale_r) - y;
++ else
++ th = 0;
++ }
++ else
++ {
++ if (y + FRAC/y_scale > i)
++ th = MIN(i+FRAC, y + y_scale_r) - i;
++ else
++ th = 0;
++ }
++
++ for (j = 0; j < n_x; j++)
++ {
++ int weight;
++
++ if (j < x)
++ {
++ if (j + FRAC > x)
++ tw = MIN(j+FRAC, x + x_scale_r) - x;
++ else
++ tw = 0;
++ }
++ else
++ {
++ if (x + FRAC/x_scale > j)
++ tw = MIN(j+FRAC, x + x_scale_r) - j;
++ else
++ tw = 0;
++ }
++
++ {
++ unsigned long lweight = (tw * x_scale) / FRAC;
++ lweight = (lweight * th) / FRAC;
++ lweight = (lweight * y_scale) / FRAC;
++ lweight = (lweight * overall_alpha) / FRAC;
++ weight = lweight;
++ }
++ total += weight;
++ *(pixel_weights + n_x * i + j) = weight;
++ }
++ }
++
++ correct_total (pixel_weights, n_x, n_y, total, overall_alpha);
++ }
++}
++
++#else
++
+ static void
+ tile_make_weights (PixopsFilterDimension *dim,
+ double scale)
+@@ -1216,10 +1336,151 @@
+ }
+ }
+
++#endif
++
+ /* Compute weights for a filter that, for minification
+ * is the same as 'tiles', and for magnification, is bilinear
+ * reconstruction followed by a sampling with a delta function.
+ */
++#ifdef ENABLE_INTEGER_PIXOPS
++
++static void
++bilinear_magnify_make_weights (PixopsFilter *filter, double x_scale_d, double y_scale_d, double overall_alpha_d)
++{
++ int i_offset, j_offset;
++ unsigned long *x_weights, *y_weights;
++ int n_x, n_y;
++ unsigned long x_scale = x_scale_d * FRAC;
++ unsigned long y_scale = y_scale_d * FRAC;
++ unsigned long overall_alpha = overall_alpha_d * FRAC;
++ unsigned long x_scale_r = (FRAC / x_scale_d);
++ unsigned long y_scale_r = (FRAC / y_scale_d);
++
++ if (x_scale > FRAC) /* Bilinear */
++ {
++ n_x = 2;
++ filter->x_offset = 0.5 * (1/x_scale_d - 1);
++ }
++ else /* Tile */
++ {
++ n_x = ceil(1.0 + 1.0/x_scale_d);
++ filter->x_offset = 0.0;
++ }
++
++ if (y_scale > FRAC) /* Bilinear */
++ {
++ n_y = 2;
++ filter->y_offset = 0.5 * (1/y_scale_d - 1);
++ }
++ else /* Tile */
++ {
++ n_y = ceil(1.0 + 1.0/y_scale_d);
++ filter->y_offset = 0.0;
++ }
++
++ filter->n_y = n_y;
++ filter->n_x = n_x;
++ filter->weights = g_new (int, SUBSAMPLE * SUBSAMPLE * n_x * n_y);
++
++ x_weights = g_new (unsigned long, n_x);
++ y_weights = g_new (unsigned long, n_y);
++
++ for (i_offset=0; i_offset<SUBSAMPLE; i_offset++)
++ for (j_offset=0; j_offset<SUBSAMPLE; j_offset++)
++ {
++ int *pixel_weights = filter->weights + ((i_offset*SUBSAMPLE) + j_offset) * n_x * n_y;
++ unsigned long x = j_offset * FRAC / SUBSAMPLE;
++ unsigned long y = i_offset * FRAC / SUBSAMPLE;
++ int i,j;
++ int total = 0;
++
++ if (x_scale > FRAC) /* Bilinear */
++ {
++ for (i = 0; i < n_x; i++)
++ {
++ /* x_weights[i] = ((i == 0) ? (1 - x) : x) / x_scale; */
++ unsigned long w = (((i == 0) ? (FRAC - x) : x) * x_scale_r);
++ x_weights[i] = w / FRAC;
++ }
++ }
++ else /* Tile */
++ {
++ /* x
++ * ---------|--.-|----|--.-|------- SRC
++ * ------------|---------|--------- DEST
++ */
++ for (i = 0; i < n_x; i++)
++ {
++ if (i < x)
++ {
++ if (i + 1 > x)
++ x_weights[i] = MIN(FRAC*(i+1), FRAC * x + (((unsigned long long)(FRAC * FRAC)) / (unsigned long)x_scale)) - (x * FRAC);
++ else
++ x_weights[i] = 0;
++ }
++ else
++ {
++ if (x + 1/x_scale > i)
++ x_weights[i] = MIN(FRAC*(i+1), FRAC * x + (((unsigned long long)(FRAC * FRAC)) / (unsigned long)x_scale)) - (i * FRAC);
++ else
++ x_weights[i] = 0;
++ }
++ }
++ }
++
++ if (y_scale > FRAC) /* Bilinear */
++ {
++ for (i = 0; i < n_y; i++)
++ {
++ unsigned long w = ((unsigned long)((i == 0) ? (FRAC - y) : y) * y_scale_r);
++ y_weights[i] = w / FRAC;
++ }
++ }
++ else /* Tile */
++ {
++ /* y
++ * ---------|--.-|----|--.-|------- SRC
++ * ------------|---------|--------- DEST
++ */
++ for (i = 0; i < n_y; i++)
++ {
++ if (i < y)
++ {
++ if (i + 1 > y)
++ y_weights[i] = MIN(FRAC*(i+1), FRAC * y + (FRAC * FRAC / (unsigned long)y_scale)) - (y * FRAC);
++ else
++ y_weights[i] = 0;
++ }
++ else
++ {
++ if (y + 1/y_scale > i)
++ y_weights[i] = MIN(FRAC*(i+1), FRAC * y + (FRAC * FRAC / (unsigned long)y_scale)) - (i * FRAC);
++ else
++ y_weights[i] = 0;
++ }
++ }
++ }
++
++ for (i = 0; i < n_y; i++)
++ for (j = 0; j < n_x; j++)
++ {
++ unsigned long long weight = (x_weights[j] * x_scale) / FRAC;
++ weight = (weight * y_weights[i]) / FRAC;
++ weight = (weight * y_scale) / FRAC;
++ weight = (weight * overall_alpha) / FRAC;
++ *(pixel_weights + n_x * i + j) = (unsigned long)weight;
++ total += (unsigned long)weight;
++ }
++
++ correct_total (pixel_weights, n_x, n_y, total, overall_alpha);
++ }
++
++ g_free (x_weights);
++ g_free (y_weights);
++}
++
++#else
++
+ static void
+ bilinear_magnify_make_weights (PixopsFilterDimension *dim,
+ double scale)
+@@ -1283,6 +1544,8 @@
+ }
+ }
+
++#endif
++
+ /* Computes the integral from b0 to b1 of
+ *
+ * f(x) = x; 0 <= x < 1