Module Name: xsrc
Committed By: mrg
Date: Wed Jun 5 09:03:18 UTC 2013
Modified Files:
xsrc/external/mit/pixman/dist/pixman: pixman-bits-image.c
pixman-inlines.h pixman-private.h pixman.h
Log Message:
merge pixman 0.30.0
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 \
xsrc/external/mit/pixman/dist/pixman/pixman-bits-image.c
cvs rdiff -u -r1.2 -r1.3 \
xsrc/external/mit/pixman/dist/pixman/pixman-inlines.h
cvs rdiff -u -r1.3 -r1.4 \
xsrc/external/mit/pixman/dist/pixman/pixman-private.h \
xsrc/external/mit/pixman/dist/pixman/pixman.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: xsrc/external/mit/pixman/dist/pixman/pixman-bits-image.c
diff -u xsrc/external/mit/pixman/dist/pixman/pixman-bits-image.c:1.5 xsrc/external/mit/pixman/dist/pixman/pixman-bits-image.c:1.6
--- xsrc/external/mit/pixman/dist/pixman/pixman-bits-image.c:1.5 Thu Jan 31 10:57:32 2013
+++ xsrc/external/mit/pixman/dist/pixman/pixman-bits-image.c Wed Jun 5 09:03:18 2013
@@ -413,10 +413,108 @@ bits_image_fetch_pixel_convolution (bits
}
}
- satot >>= 16;
- srtot >>= 16;
- sgtot >>= 16;
- sbtot >>= 16;
+ satot = (satot + 0x8000) >> 16;
+ srtot = (srtot + 0x8000) >> 16;
+ sgtot = (sgtot + 0x8000) >> 16;
+ sbtot = (sbtot + 0x8000) >> 16;
+
+ satot = CLIP (satot, 0, 0xff);
+ srtot = CLIP (srtot, 0, 0xff);
+ sgtot = CLIP (sgtot, 0, 0xff);
+ sbtot = CLIP (sbtot, 0, 0xff);
+
+ return ((satot << 24) | (srtot << 16) | (sgtot << 8) | (sbtot));
+}
+
+static uint32_t
+bits_image_fetch_pixel_separable_convolution (bits_image_t *image,
+ pixman_fixed_t x,
+ pixman_fixed_t y,
+ get_pixel_t get_pixel)
+{
+ pixman_fixed_t *params = image->common.filter_params;
+ pixman_repeat_t repeat_mode = image->common.repeat;
+ int width = image->width;
+ int height = image->height;
+ int cwidth = pixman_fixed_to_int (params[0]);
+ int cheight = pixman_fixed_to_int (params[1]);
+ int x_phase_bits = pixman_fixed_to_int (params[2]);
+ int y_phase_bits = pixman_fixed_to_int (params[3]);
+ int x_phase_shift = 16 - x_phase_bits;
+ int y_phase_shift = 16 - y_phase_bits;
+ int x_off = ((cwidth << 16) - pixman_fixed_1) >> 1;
+ int y_off = ((cheight << 16) - pixman_fixed_1) >> 1;
+ pixman_fixed_t *y_params;
+ int srtot, sgtot, sbtot, satot;
+ int32_t x1, x2, y1, y2;
+ int32_t px, py;
+ int i, j;
+
+ /* Round x and y to the middle of the closest phase before continuing. This
+ * ensures that the convolution matrix is aligned right, since it was
+ * positioned relative to a particular phase (and not relative to whatever
+ * exact fraction we happen to get here).
+ */
+ x = ((x >> x_phase_shift) << x_phase_shift) + ((1 << x_phase_shift) >> 1);
+ y = ((y >> y_phase_shift) << y_phase_shift) + ((1 << y_phase_shift) >> 1);
+
+ px = (x & 0xffff) >> x_phase_shift;
+ py = (y & 0xffff) >> y_phase_shift;
+
+ y_params = params + 4 + (1 << x_phase_bits) * cwidth + py * cheight;
+
+ x1 = pixman_fixed_to_int (x - pixman_fixed_e - x_off);
+ y1 = pixman_fixed_to_int (y - pixman_fixed_e - y_off);
+ x2 = x1 + cwidth;
+ y2 = y1 + cheight;
+
+ srtot = sgtot = sbtot = satot = 0;
+
+ for (i = y1; i < y2; ++i)
+ {
+ pixman_fixed_48_16_t fy = *y_params++;
+ pixman_fixed_t *x_params = params + 4 + px * cwidth;
+
+ if (fy)
+ {
+ for (j = x1; j < x2; ++j)
+ {
+ pixman_fixed_t fx = *x_params++;
+ int rx = j;
+ int ry = i;
+
+ if (fx)
+ {
+ pixman_fixed_t f;
+ uint32_t pixel;
+
+ if (repeat_mode != PIXMAN_REPEAT_NONE)
+ {
+ repeat (repeat_mode, &rx, width);
+ repeat (repeat_mode, &ry, height);
+
+ pixel = get_pixel (image, rx, ry, FALSE);
+ }
+ else
+ {
+ pixel = get_pixel (image, rx, ry, TRUE);
+ }
+
+ f = (fy * fx + 0x8000) >> 16;
+
+ srtot += (int)RED_8 (pixel) * f;
+ sgtot += (int)GREEN_8 (pixel) * f;
+ sbtot += (int)BLUE_8 (pixel) * f;
+ satot += (int)ALPHA_8 (pixel) * f;
+ }
+ }
+ }
+ }
+
+ satot = (satot + 0x8000) >> 16;
+ srtot = (srtot + 0x8000) >> 16;
+ sgtot = (sgtot + 0x8000) >> 16;
+ sbtot = (sbtot + 0x8000) >> 16;
satot = CLIP (satot, 0, 0xff);
srtot = CLIP (srtot, 0, 0xff);
@@ -449,6 +547,10 @@ bits_image_fetch_pixel_filtered (bits_im
return bits_image_fetch_pixel_convolution (image, x, y, get_pixel);
break;
+ case PIXMAN_FILTER_SEPARABLE_CONVOLUTION:
+ return bits_image_fetch_pixel_separable_convolution (image, x, y, get_pixel);
+ break;
+
default:
break;
}
@@ -618,11 +720,155 @@ bits_image_fetch_general (pixman_iter_t
return buffer;
}
-static const uint8_t zero[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
-
typedef uint32_t (* convert_pixel_t) (const uint8_t *row, int x);
static force_inline void
+bits_image_fetch_separable_convolution_affine (pixman_image_t * image,
+ int offset,
+ int line,
+ int width,
+ uint32_t * buffer,
+ const uint32_t * mask,
+
+ convert_pixel_t convert_pixel,
+ pixman_format_code_t format,
+ pixman_repeat_t repeat_mode)
+{
+ bits_image_t *bits = &image->bits;
+ pixman_fixed_t *params = image->common.filter_params;
+ int cwidth = pixman_fixed_to_int (params[0]);
+ int cheight = pixman_fixed_to_int (params[1]);
+ int x_off = ((cwidth << 16) - pixman_fixed_1) >> 1;
+ int y_off = ((cheight << 16) - pixman_fixed_1) >> 1;
+ int x_phase_bits = pixman_fixed_to_int (params[2]);
+ int y_phase_bits = pixman_fixed_to_int (params[3]);
+ int x_phase_shift = 16 - x_phase_bits;
+ int y_phase_shift = 16 - y_phase_bits;
+ pixman_fixed_t vx, vy;
+ pixman_fixed_t ux, uy;
+ pixman_vector_t v;
+ int k;
+
+ /* reference point is the center of the pixel */
+ v.vector[0] = pixman_int_to_fixed (offset) + pixman_fixed_1 / 2;
+ v.vector[1] = pixman_int_to_fixed (line) + pixman_fixed_1 / 2;
+ v.vector[2] = pixman_fixed_1;
+
+ if (!pixman_transform_point_3d (image->common.transform, &v))
+ return;
+
+ ux = image->common.transform->matrix[0][0];
+ uy = image->common.transform->matrix[1][0];
+
+ vx = v.vector[0];
+ vy = v.vector[1];
+
+ for (k = 0; k < width; ++k)
+ {
+ pixman_fixed_t *y_params;
+ int satot, srtot, sgtot, sbtot;
+ pixman_fixed_t x, y;
+ int32_t x1, x2, y1, y2;
+ int32_t px, py;
+ int i, j;
+
+ if (mask && !mask[k])
+ goto next;
+
+ /* Round x and y to the middle of the closest phase before continuing. This
+ * ensures that the convolution matrix is aligned right, since it was
+ * positioned relative to a particular phase (and not relative to whatever
+ * exact fraction we happen to get here).
+ */
+ x = ((vx >> x_phase_shift) << x_phase_shift) + ((1 << x_phase_shift) >> 1);
+ y = ((vy >> y_phase_shift) << y_phase_shift) + ((1 << y_phase_shift) >> 1);
+
+ px = (x & 0xffff) >> x_phase_shift;
+ py = (y & 0xffff) >> y_phase_shift;
+
+ x1 = pixman_fixed_to_int (x - pixman_fixed_e - x_off);
+ y1 = pixman_fixed_to_int (y - pixman_fixed_e - y_off);
+ x2 = x1 + cwidth;
+ y2 = y1 + cheight;
+
+ satot = srtot = sgtot = sbtot = 0;
+
+ y_params = params + 4 + (1 << x_phase_bits) * cwidth + py * cheight;
+
+ for (i = y1; i < y2; ++i)
+ {
+ pixman_fixed_t fy = *y_params++;
+
+ if (fy)
+ {
+ pixman_fixed_t *x_params = params + 4 + px * cwidth;
+
+ for (j = x1; j < x2; ++j)
+ {
+ pixman_fixed_t fx = *x_params++;
+ int rx = j;
+ int ry = i;
+
+ if (fx)
+ {
+ pixman_fixed_t f;
+ uint32_t pixel, mask;
+ uint8_t *row;
+
+ mask = PIXMAN_FORMAT_A (format)? 0 : 0xff000000;
+
+ if (repeat_mode != PIXMAN_REPEAT_NONE)
+ {
+ repeat (repeat_mode, &rx, bits->width);
+ repeat (repeat_mode, &ry, bits->height);
+
+ row = (uint8_t *)bits->bits + bits->rowstride * 4 * ry;
+ pixel = convert_pixel (row, rx) | mask;
+ }
+ else
+ {
+ if (rx < 0 || ry < 0 || rx >= bits->width || ry >= bits->height)
+ {
+ pixel = 0;
+ }
+ else
+ {
+ row = (uint8_t *)bits->bits + bits->rowstride * 4 * ry;
+ pixel = convert_pixel (row, rx) | mask;
+ }
+ }
+
+ f = ((pixman_fixed_32_32_t)fx * fy + 0x8000) >> 16;
+ srtot += (int)RED_8 (pixel) * f;
+ sgtot += (int)GREEN_8 (pixel) * f;
+ sbtot += (int)BLUE_8 (pixel) * f;
+ satot += (int)ALPHA_8 (pixel) * f;
+ }
+ }
+ }
+ }
+
+ satot = (satot + 0x8000) >> 16;
+ srtot = (srtot + 0x8000) >> 16;
+ sgtot = (sgtot + 0x8000) >> 16;
+ sbtot = (sbtot + 0x8000) >> 16;
+
+ satot = CLIP (satot, 0, 0xff);
+ srtot = CLIP (srtot, 0, 0xff);
+ sgtot = CLIP (sgtot, 0, 0xff);
+ sbtot = CLIP (sbtot, 0, 0xff);
+
+ buffer[k] = (satot << 24) | (srtot << 16) | (sgtot << 8) | (sbtot << 0);
+
+ next:
+ vx += ux;
+ vy += uy;
+ }
+}
+
+static const uint8_t zero[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+
+static force_inline void
bits_image_fetch_bilinear_affine (pixman_image_t * image,
int offset,
int line,
@@ -868,9 +1114,26 @@ convert_a8 (const uint8_t *row, int x)
static force_inline uint32_t
convert_r5g6b5 (const uint8_t *row, int x)
{
- return CONVERT_0565_TO_0888 (*((uint16_t *)row + x));
+ return convert_0565_to_0888 (*((uint16_t *)row + x));
}
+#define MAKE_SEPARABLE_CONVOLUTION_FETCHER(name, format, repeat_mode) \
+ static uint32_t * \
+ bits_image_fetch_separable_convolution_affine_ ## name (pixman_iter_t *iter, \
+ const uint32_t * mask) \
+ { \
+ bits_image_fetch_separable_convolution_affine ( \
+ iter->image, \
+ iter->x, iter->y++, \
+ iter->width, \
+ iter->buffer, mask, \
+ convert_ ## format, \
+ PIXMAN_ ## format, \
+ repeat_mode); \
+ \
+ return iter->buffer; \
+ }
+
#define MAKE_BILINEAR_FETCHER(name, format, repeat_mode) \
static uint32_t * \
bits_image_fetch_bilinear_affine_ ## name (pixman_iter_t *iter, \
@@ -903,7 +1166,8 @@ convert_r5g6b5 (const uint8_t *row, int
#define MAKE_FETCHERS(name, format, repeat_mode) \
MAKE_NEAREST_FETCHER (name, format, repeat_mode) \
- MAKE_BILINEAR_FETCHER (name, format, repeat_mode)
+ MAKE_BILINEAR_FETCHER (name, format, repeat_mode) \
+ MAKE_SEPARABLE_CONVOLUTION_FETCHER (name, format, repeat_mode)
MAKE_FETCHERS (pad_a8r8g8b8, a8r8g8b8, PIXMAN_REPEAT_PAD)
MAKE_FETCHERS (none_a8r8g8b8, a8r8g8b8, PIXMAN_REPEAT_NONE)
@@ -1153,6 +1417,20 @@ static const fetcher_info_t fetcher_info
FAST_PATH_AFFINE_TRANSFORM | \
FAST_PATH_NEAREST_FILTER)
+#define GENERAL_SEPARABLE_CONVOLUTION_FLAGS \
+ (FAST_PATH_NO_ALPHA_MAP | \
+ FAST_PATH_NO_ACCESSORS | \
+ FAST_PATH_HAS_TRANSFORM | \
+ FAST_PATH_AFFINE_TRANSFORM | \
+ FAST_PATH_SEPARABLE_CONVOLUTION_FILTER)
+
+#define SEPARABLE_CONVOLUTION_AFFINE_FAST_PATH(name, format, repeat) \
+ { PIXMAN_ ## format, \
+ GENERAL_SEPARABLE_CONVOLUTION_FLAGS | FAST_PATH_ ## repeat ## _REPEAT, \
+ bits_image_fetch_separable_convolution_affine_ ## name, \
+ _pixman_image_get_scanline_generic_float \
+ },
+
#define BILINEAR_AFFINE_FAST_PATH(name, format, repeat) \
{ PIXMAN_ ## format, \
GENERAL_BILINEAR_FLAGS | FAST_PATH_ ## repeat ## _REPEAT, \
@@ -1168,6 +1446,7 @@ static const fetcher_info_t fetcher_info
},
#define AFFINE_FAST_PATHS(name, format, repeat) \
+ SEPARABLE_CONVOLUTION_AFFINE_FAST_PATH(name, format, repeat) \
BILINEAR_AFFINE_FAST_PATH(name, format, repeat) \
NEAREST_AFFINE_FAST_PATH(name, format, repeat)
Index: xsrc/external/mit/pixman/dist/pixman/pixman-inlines.h
diff -u xsrc/external/mit/pixman/dist/pixman/pixman-inlines.h:1.2 xsrc/external/mit/pixman/dist/pixman/pixman-inlines.h:1.3
--- xsrc/external/mit/pixman/dist/pixman/pixman-inlines.h:1.2 Thu Jan 31 10:57:36 2013
+++ xsrc/external/mit/pixman/dist/pixman/pixman-inlines.h Wed Jun 5 09:03:18 2013
@@ -88,6 +88,42 @@ pixman_fixed_to_bilinear_weight (pixman_
((1 << BILINEAR_INTERPOLATION_BITS) - 1);
}
+#if BILINEAR_INTERPOLATION_BITS <= 4
+/* Inspired by Filter_32_opaque from Skia */
+static force_inline uint32_t
+bilinear_interpolation (uint32_t tl, uint32_t tr,
+ uint32_t bl, uint32_t br,
+ int distx, int disty)
+{
+ int distxy, distxiy, distixy, distixiy;
+ uint32_t lo, hi;
+
+ distx <<= (4 - BILINEAR_INTERPOLATION_BITS);
+ disty <<= (4 - BILINEAR_INTERPOLATION_BITS);
+
+ distxy = distx * disty;
+ distxiy = (distx << 4) - distxy; /* distx * (16 - disty) */
+ distixy = (disty << 4) - distxy; /* disty * (16 - distx) */
+ distixiy =
+ 16 * 16 - (disty << 4) -
+ (distx << 4) + distxy; /* (16 - distx) * (16 - disty) */
+
+ lo = (tl & 0xff00ff) * distixiy;
+ hi = ((tl >> 8) & 0xff00ff) * distixiy;
+
+ lo += (tr & 0xff00ff) * distxiy;
+ hi += ((tr >> 8) & 0xff00ff) * distxiy;
+
+ lo += (bl & 0xff00ff) * distixy;
+ hi += ((bl >> 8) & 0xff00ff) * distixy;
+
+ lo += (br & 0xff00ff) * distxy;
+ hi += ((br >> 8) & 0xff00ff) * distxy;
+
+ return ((lo >> 8) & 0xff00ff) | (hi & ~0xff00ff);
+}
+
+#else
#ifdef _LP64
static force_inline uint32_t
@@ -184,6 +220,7 @@ bilinear_interpolation (uint32_t tl, uin
}
#endif
+#endif // BILINEAR_INTERPOLATION_BITS <= 4
/*
* For each scanline fetched from source image with PAD repeat:
@@ -314,36 +351,36 @@ scanline_func_name (dst_type_t *ds
\
if (a1 == 0xff) \
{ \
- *dst = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s1); \
+ *dst = convert_ ## SRC_FORMAT ## _to_ ## DST_FORMAT (s1); \
} \
else if (s1) \
{ \
- d = CONVERT_ ## DST_FORMAT ## _TO_8888 (*dst); \
- s1 = CONVERT_ ## SRC_FORMAT ## _TO_8888 (s1); \
+ d = convert_ ## DST_FORMAT ## _to_8888 (*dst); \
+ s1 = convert_ ## SRC_FORMAT ## _to_8888 (s1); \
a1 ^= 0xff; \
UN8x4_MUL_UN8_ADD_UN8x4 (d, a1, s1); \
- *dst = CONVERT_8888_TO_ ## DST_FORMAT (d); \
+ *dst = convert_8888_to_ ## DST_FORMAT (d); \
} \
dst++; \
\
if (a2 == 0xff) \
{ \
- *dst = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s2); \
+ *dst = convert_ ## SRC_FORMAT ## _to_ ## DST_FORMAT (s2); \
} \
else if (s2) \
{ \
- d = CONVERT_## DST_FORMAT ## _TO_8888 (*dst); \
- s2 = CONVERT_## SRC_FORMAT ## _TO_8888 (s2); \
+ d = convert_## DST_FORMAT ## _to_8888 (*dst); \
+ s2 = convert_## SRC_FORMAT ## _to_8888 (s2); \
a2 ^= 0xff; \
UN8x4_MUL_UN8_ADD_UN8x4 (d, a2, s2); \
- *dst = CONVERT_8888_TO_ ## DST_FORMAT (d); \
+ *dst = convert_8888_to_ ## DST_FORMAT (d); \
} \
dst++; \
} \
else /* PIXMAN_OP_SRC */ \
{ \
- *dst++ = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s1); \
- *dst++ = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s2); \
+ *dst++ = convert_ ## SRC_FORMAT ## _to_ ## DST_FORMAT (s1); \
+ *dst++ = convert_ ## SRC_FORMAT ## _to_ ## DST_FORMAT (s2); \
} \
} \
\
@@ -358,21 +395,21 @@ scanline_func_name (dst_type_t *ds
\
if (a1 == 0xff) \
{ \
- *dst = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s1); \
+ *dst = convert_ ## SRC_FORMAT ## _to_ ## DST_FORMAT (s1); \
} \
else if (s1) \
{ \
- d = CONVERT_## DST_FORMAT ## _TO_8888 (*dst); \
- s1 = CONVERT_ ## SRC_FORMAT ## _TO_8888 (s1); \
+ d = convert_## DST_FORMAT ## _to_8888 (*dst); \
+ s1 = convert_ ## SRC_FORMAT ## _to_8888 (s1); \
a1 ^= 0xff; \
UN8x4_MUL_UN8_ADD_UN8x4 (d, a1, s1); \
- *dst = CONVERT_8888_TO_ ## DST_FORMAT (d); \
+ *dst = convert_8888_to_ ## DST_FORMAT (d); \
} \
dst++; \
} \
else /* PIXMAN_OP_SRC */ \
{ \
- *dst++ = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s1); \
+ *dst++ = convert_ ## SRC_FORMAT ## _to_ ## DST_FORMAT (s1); \
} \
} \
}
Index: xsrc/external/mit/pixman/dist/pixman/pixman-private.h
diff -u xsrc/external/mit/pixman/dist/pixman/pixman-private.h:1.3 xsrc/external/mit/pixman/dist/pixman/pixman-private.h:1.4
--- xsrc/external/mit/pixman/dist/pixman/pixman-private.h:1.3 Thu Jan 31 10:57:36 2013
+++ xsrc/external/mit/pixman/dist/pixman/pixman-private.h Wed Jun 5 09:03:18 2013
@@ -1,3 +1,5 @@
+#include <float.h>
+
#ifndef PIXMAN_PRIVATE_H
#define PIXMAN_PRIVATE_H
@@ -263,9 +265,6 @@ void
_pixman_bits_image_dest_iter_init (pixman_image_t *image, pixman_iter_t *iter);
void
-_pixman_solid_fill_iter_init (pixman_image_t *image, pixman_iter_t *iter);
-
-void
_pixman_linear_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter);
void
@@ -320,13 +319,12 @@ _pixman_image_validate (pixman_image_t *
*/
typedef struct
{
- uint32_t left_ag;
- uint32_t left_rb;
- uint32_t right_ag;
- uint32_t right_rb;
+ float a_s, a_b;
+ float r_s, r_b;
+ float g_s, g_b;
+ float b_s, b_b;
pixman_fixed_t left_x;
pixman_fixed_t right_x;
- pixman_fixed_t stepper;
pixman_gradient_stop_t *stops;
int num_stops;
@@ -455,7 +453,7 @@ typedef pixman_bool_t (*pixman_fill_func
int y,
int width,
int height,
- uint32_t xor);
+ uint32_t filler);
typedef pixman_bool_t (*pixman_iter_init_func_t) (pixman_implementation_t *imp,
pixman_iter_t *iter);
@@ -500,7 +498,7 @@ pixman_implementation_t *
_pixman_implementation_create (pixman_implementation_t *fallback,
const pixman_fast_path_t *fast_paths);
-pixman_bool_t
+void
_pixman_implementation_lookup_composite (pixman_implementation_t *toplevel,
pixman_op_t op,
pixman_format_code_t src_format,
@@ -542,7 +540,7 @@ _pixman_implementation_fill (pixman_impl
int y,
int width,
int height,
- uint32_t xor);
+ uint32_t filler);
pixman_bool_t
_pixman_implementation_src_iter_init (pixman_implementation_t *imp,
@@ -685,6 +683,7 @@ _pixman_iter_get_scanline_noop (pixman_i
#define FAST_PATH_SAMPLES_COVER_CLIP_NEAREST (1 << 23)
#define FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR (1 << 24)
#define FAST_PATH_BITS_IMAGE (1 << 25)
+#define FAST_PATH_SEPARABLE_CONVOLUTION_FILTER (1 << 26)
#define FAST_PATH_PAD_REPEAT \
(FAST_PATH_NO_NONE_REPEAT | \
@@ -879,24 +878,55 @@ pixman_list_move_to_front (pixman_list_t
#define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
+#define FLOAT_IS_ZERO(f) (-FLT_MIN < (f) && (f) < FLT_MIN)
+
/* Conversion between 8888 and 0565 */
-#define CONVERT_8888_TO_0565(s) \
- ((((s) >> 3) & 0x001f) | \
- (((s) >> 5) & 0x07e0) | \
- (((s) >> 8) & 0xf800))
-
-#define CONVERT_0565_TO_0888(s) \
- (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
- ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
- ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
+static force_inline uint16_t
+convert_8888_to_0565 (uint32_t s)
+{
+ /* The following code can be compiled into just 4 instructions on ARM */
+ uint32_t a, b;
+ a = (s >> 3) & 0x1F001F;
+ b = s & 0xFC00;
+ a |= a >> 5;
+ a |= b >> 5;
+ return (uint16_t)a;
+}
+
+static force_inline uint32_t
+convert_0565_to_0888 (uint16_t s)
+{
+ return (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) |
+ ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) |
+ ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)));
+}
-#define CONVERT_0565_TO_8888(s) (CONVERT_0565_TO_0888(s) | 0xff000000)
+static force_inline uint32_t
+convert_0565_to_8888 (uint16_t s)
+{
+ return convert_0565_to_0888 (s) | 0xff000000;
+}
/* Trivial versions that are useful in macros */
-#define CONVERT_8888_TO_8888(s) (s)
-#define CONVERT_x888_TO_8888(s) ((s) | 0xff000000)
-#define CONVERT_0565_TO_0565(s) (s)
+
+static force_inline uint32_t
+convert_8888_to_8888 (uint32_t s)
+{
+ return s;
+}
+
+static force_inline uint32_t
+convert_x888_to_8888 (uint32_t s)
+{
+ return s | 0xff000000;
+}
+
+static force_inline uint16_t
+convert_0565_to_0565 (uint16_t s)
+{
+ return s;
+}
#define PIXMAN_FORMAT_IS_WIDE(f) \
(PIXMAN_FORMAT_A (f) > 8 || \
@@ -985,15 +1015,13 @@ float pixman_unorm_to_float (uint16_t u,
#endif
-#ifdef DEBUG
-
void
_pixman_log_error (const char *function, const char *message);
#define return_if_fail(expr) \
do \
{ \
- if (!(expr)) \
+ if (unlikely (!(expr))) \
{ \
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
return; \
@@ -1004,7 +1032,7 @@ _pixman_log_error (const char *function,
#define return_val_if_fail(expr, retval) \
do \
{ \
- if (!(expr)) \
+ if (unlikely (!(expr))) \
{ \
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
return (retval); \
@@ -1015,38 +1043,31 @@ _pixman_log_error (const char *function,
#define critical_if_fail(expr) \
do \
{ \
- if (!(expr)) \
+ if (unlikely (!(expr))) \
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
} \
while (0)
+/*
+ * Matrix
+ */
-#else
-
-#define _pixman_log_error(f,m) do { } while (0) \
+typedef struct { pixman_fixed_48_16_t v[3]; } pixman_vector_48_16_t;
-#define return_if_fail(expr) \
- do \
- { \
- if (!(expr)) \
- return; \
- } \
- while (0)
+pixman_bool_t
+pixman_transform_point_31_16 (const pixman_transform_t *t,
+ const pixman_vector_48_16_t *v,
+ pixman_vector_48_16_t *result);
-#define return_val_if_fail(expr, retval) \
- do \
- { \
- if (!(expr)) \
- return (retval); \
- } \
- while (0)
+void
+pixman_transform_point_31_16_3d (const pixman_transform_t *t,
+ const pixman_vector_48_16_t *v,
+ pixman_vector_48_16_t *result);
-#define critical_if_fail(expr) \
- do \
- { \
- } \
- while (0)
-#endif
+void
+pixman_transform_point_31_16_affine (const pixman_transform_t *t,
+ const pixman_vector_48_16_t *v,
+ pixman_vector_48_16_t *result);
/*
* Timers
Index: xsrc/external/mit/pixman/dist/pixman/pixman.h
diff -u xsrc/external/mit/pixman/dist/pixman/pixman.h:1.3 xsrc/external/mit/pixman/dist/pixman/pixman.h:1.4
--- xsrc/external/mit/pixman/dist/pixman/pixman.h:1.3 Thu Jan 31 10:57:36 2013
+++ xsrc/external/mit/pixman/dist/pixman/pixman.h Wed Jun 5 09:03:18 2013
@@ -226,6 +226,9 @@ pixman_bool_t pixman_transform_is_invers
/*
* Floating point matrices
*/
+typedef struct pixman_f_transform pixman_f_transform_t;
+typedef struct pixman_f_vector pixman_f_vector_t;
+
struct pixman_f_vector
{
double v[3];
@@ -289,7 +292,28 @@ typedef enum
PIXMAN_FILTER_BEST,
PIXMAN_FILTER_NEAREST,
PIXMAN_FILTER_BILINEAR,
- PIXMAN_FILTER_CONVOLUTION
+ PIXMAN_FILTER_CONVOLUTION,
+
+ /* The SEPARABLE_CONVOLUTION filter takes the following parameters:
+ *
+ * width: integer given as 16.16 fixpoint number
+ * height: integer given as 16.16 fixpoint number
+ * x_phase_bits: integer given as 16.16 fixpoint
+ * y_phase_bits: integer given as 16.16 fixpoint
+ * xtables: (1 << x_phase_bits) tables of size width
+ * ytables: (1 << y_phase_bits) tables of size height
+ *
+ * When sampling at (x, y), the location is first rounded to one of
+ * n_x_phases * n_y_phases subpixel positions. These subpixel positions
+ * determine an xtable and a ytable to use.
+ *
+ * Conceptually a width x height matrix is then formed in which each entry
+ * is the product of the corresponding entries in the x and y tables.
+ * This matrix is then aligned with the image pixels such that its center
+ * is as close as possible to the subpixel location chosen earlier. Then
+ * the image is convolved with the matrix and the resulting pixel returned.
+ */
+ PIXMAN_FILTER_SEPARABLE_CONVOLUTION
} pixman_filter_t;
typedef enum
@@ -808,6 +832,33 @@ int pixman_image_get_height
int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
int pixman_image_get_depth (pixman_image_t *image);
pixman_format_code_t pixman_image_get_format (pixman_image_t *image);
+
+typedef enum
+{
+ PIXMAN_KERNEL_IMPULSE,
+ PIXMAN_KERNEL_BOX,
+ PIXMAN_KERNEL_LINEAR,
+ PIXMAN_KERNEL_CUBIC,
+ PIXMAN_KERNEL_GAUSSIAN,
+ PIXMAN_KERNEL_LANCZOS2,
+ PIXMAN_KERNEL_LANCZOS3,
+ PIXMAN_KERNEL_LANCZOS3_STRETCHED /* Jim Blinn's 'nice' filter */
+} pixman_kernel_t;
+
+/* Create the parameter list for a SEPARABLE_CONVOLUTION filter
+ * with the given kernels and scale parameters.
+ */
+pixman_fixed_t *
+pixman_filter_create_separable_convolution (int *n_values,
+ pixman_fixed_t scale_x,
+ pixman_fixed_t scale_y,
+ pixman_kernel_t reconstruct_x,
+ pixman_kernel_t reconstruct_y,
+ pixman_kernel_t sample_x,
+ pixman_kernel_t sample_y,
+ int subsample_bits_x,
+ int subsample_bits_y);
+
pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
pixman_image_t *image,
const pixman_color_t *color,
