#include <stdlib.h>
#include <string.h>
#include "pixman-private.h"
-#include "pixman-combine32.h"
-#include "pixman-private.h"
+
+static void
+general_src_iter_init (pixman_implementation_t *imp, pixman_iter_t *iter)
+{
+ pixman_image_t *image = iter->image;
+
+ if (image->type == SOLID)
+ _pixman_solid_fill_iter_init (image, iter);
+ else if (image->type == LINEAR)
+ _pixman_linear_gradient_iter_init (image, iter);
+ else if (image->type == RADIAL)
+ _pixman_radial_gradient_iter_init (image, iter);
+ else if (image->type == CONICAL)
+ _pixman_conical_gradient_iter_init (image, iter);
+ else if (image->type == BITS)
+ _pixman_bits_image_src_iter_init (image, iter);
+ else
+ _pixman_log_error (FUNC, "Pixman bug: unknown image type\n");
+}
+
+static void
+general_dest_iter_init (pixman_implementation_t *imp, pixman_iter_t *iter)
+{
+ if (iter->image->type == BITS)
+ {
+ _pixman_bits_image_dest_iter_init (iter->image, iter);
+ }
+ else
+ {
+ _pixman_log_error (FUNC, "Trying to write to a non-writable image");
+ }
+}
+
+typedef struct op_info_t op_info_t;
+struct op_info_t
+{
+ uint8_t src, dst;
+};
+
+#define ITER_IGNORE_BOTH \
+ (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB | ITER_LOCALIZED_ALPHA)
+
+static const op_info_t op_flags[PIXMAN_N_OPERATORS] =
+{
+ /* Src Dst */
+ { ITER_IGNORE_BOTH, ITER_IGNORE_BOTH }, /* CLEAR */
+ { ITER_LOCALIZED_ALPHA, ITER_IGNORE_BOTH }, /* SRC */
+ { ITER_IGNORE_BOTH, ITER_LOCALIZED_ALPHA }, /* DST */
+ { 0, ITER_LOCALIZED_ALPHA }, /* OVER */
+ { ITER_LOCALIZED_ALPHA, 0 }, /* OVER_REVERSE */
+ { ITER_LOCALIZED_ALPHA, ITER_IGNORE_RGB }, /* IN */
+ { ITER_IGNORE_RGB, ITER_LOCALIZED_ALPHA }, /* IN_REVERSE */
+ { ITER_LOCALIZED_ALPHA, ITER_IGNORE_RGB }, /* OUT */
+ { ITER_IGNORE_RGB, ITER_LOCALIZED_ALPHA }, /* OUT_REVERSE */
+ { 0, 0 }, /* ATOP */
+ { 0, 0 }, /* ATOP_REVERSE */
+ { 0, 0 }, /* XOR */
+ { ITER_LOCALIZED_ALPHA, ITER_LOCALIZED_ALPHA }, /* ADD */
+ { 0, 0 }, /* SATURATE */
+};
#define SCANLINE_BUFFER_LENGTH 8192
static void
general_composite_rect (pixman_implementation_t *imp,
- pixman_op_t op,
- pixman_image_t * src,
- pixman_image_t * mask,
- pixman_image_t * dest,
- int32_t src_x,
- int32_t src_y,
- int32_t mask_x,
- int32_t mask_y,
- int32_t dest_x,
- int32_t dest_y,
- int32_t width,
- int32_t height)
+ pixman_composite_info_t *info)
{
- uint8_t stack_scanline_buffer[SCANLINE_BUFFER_LENGTH * 3];
- uint8_t *scanline_buffer = stack_scanline_buffer;
+ PIXMAN_COMPOSITE_ARGS (info);
+ uint64_t stack_scanline_buffer[(SCANLINE_BUFFER_LENGTH * 3 + 7) / 8];
+ uint8_t *scanline_buffer = (uint8_t *) stack_scanline_buffer;
uint8_t *src_buffer, *mask_buffer, *dest_buffer;
- fetch_scanline_t fetch_src = NULL, fetch_mask = NULL, fetch_dest = NULL;
+ pixman_iter_t src_iter, mask_iter, dest_iter;
pixman_combine_32_func_t compose;
- store_scanline_t store;
- source_image_class_t src_class, mask_class;
pixman_bool_t component_alpha;
- uint32_t *bits;
- int32_t stride;
- int narrow, Bpp;
+ iter_flags_t narrow, src_flags;
+ int Bpp;
int i;
- narrow =
- (src->common.flags & FAST_PATH_NARROW_FORMAT) &&
- (!mask || mask->common.flags & FAST_PATH_NARROW_FORMAT) &&
- (dest->common.flags & FAST_PATH_NARROW_FORMAT);
- Bpp = narrow ? 4 : 8;
+ if ((src_image->common.flags & FAST_PATH_NARROW_FORMAT) &&
+ (!mask_image || mask_image->common.flags & FAST_PATH_NARROW_FORMAT) &&
+ (dest_image->common.flags & FAST_PATH_NARROW_FORMAT))
+ {
+ narrow = ITER_NARROW;
+ Bpp = 4;
+ }
+ else
+ {
+ narrow = 0;
+ Bpp = 8;
+ }
if (width * Bpp > SCANLINE_BUFFER_LENGTH)
{
mask_buffer = src_buffer + width * Bpp;
dest_buffer = mask_buffer + width * Bpp;
- src_class = _pixman_image_classify (src,
- src_x, src_y,
- width, height);
+ /* src iter */
+ src_flags = narrow | op_flags[op].src;
- mask_class = SOURCE_IMAGE_CLASS_UNKNOWN;
+ _pixman_implementation_src_iter_init (imp->toplevel, &src_iter, src_image,
+ src_x, src_y, width, height,
+ src_buffer, src_flags);
- if (mask)
+ /* mask iter */
+ if ((src_flags & (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB)) ==
+ (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB))
{
- mask_class = _pixman_image_classify (mask,
- src_x, src_y,
- width, height);
+ /* If it doesn't matter what the source is, then it doesn't matter
+ * what the mask is
+ */
+ mask_image = NULL;
}
- if (op == PIXMAN_OP_CLEAR)
- fetch_src = NULL;
- else if (narrow)
- fetch_src = _pixman_image_get_scanline_32;
- else
- fetch_src = _pixman_image_get_scanline_64;
-
- if (!mask || op == PIXMAN_OP_CLEAR)
- fetch_mask = NULL;
- else if (narrow)
- fetch_mask = _pixman_image_get_scanline_32;
- else
- fetch_mask = _pixman_image_get_scanline_64;
-
- if (op == PIXMAN_OP_CLEAR || op == PIXMAN_OP_SRC)
- fetch_dest = NULL;
- else if (narrow)
- fetch_dest = _pixman_image_get_scanline_32;
- else
- fetch_dest = _pixman_image_get_scanline_64;
-
- if (narrow)
- store = _pixman_image_store_scanline_32;
- else
- store = _pixman_image_store_scanline_64;
-
- /* Skip the store step and composite directly into the
- * destination if the output format of the compose func matches
- * the destination format.
- *
- * If the destination format is a8r8g8b8 then we can always do
- * this. If it is x8r8g8b8, then we can only do it if the
- * operator doesn't make use of destination alpha.
- */
- if ((dest->bits.format == PIXMAN_a8r8g8b8) ||
- (dest->bits.format == PIXMAN_x8r8g8b8 &&
- (op == PIXMAN_OP_OVER ||
- op == PIXMAN_OP_ADD ||
- op == PIXMAN_OP_SRC ||
- op == PIXMAN_OP_CLEAR ||
- op == PIXMAN_OP_IN_REVERSE ||
- op == PIXMAN_OP_OUT_REVERSE ||
- op == PIXMAN_OP_DST)))
- {
- if (narrow &&
- !dest->common.alpha_map &&
- !dest->bits.write_func)
- {
- store = NULL;
- }
- }
+ component_alpha =
+ mask_image &&
+ mask_image->common.type == BITS &&
+ mask_image->common.component_alpha &&
+ PIXMAN_FORMAT_RGB (mask_image->bits.format);
- if (!store)
- {
- bits = dest->bits.bits;
- stride = dest->bits.rowstride;
- }
- else
- {
- bits = NULL;
- stride = 0;
- }
+ _pixman_implementation_src_iter_init (
+ imp->toplevel, &mask_iter, mask_image, mask_x, mask_y, width, height,
+ mask_buffer, narrow | (component_alpha? 0 : ITER_IGNORE_RGB));
- component_alpha =
- fetch_src &&
- fetch_mask &&
- mask &&
- mask->common.type == BITS &&
- mask->common.component_alpha &&
- PIXMAN_FORMAT_RGB (mask->bits.format);
+ /* dest iter */
+ _pixman_implementation_dest_iter_init (
+ imp->toplevel, &dest_iter, dest_image, dest_x, dest_y, width, height,
+ dest_buffer, narrow | op_flags[op].dst);
if (narrow)
{
if (!compose)
return;
- if (!fetch_mask)
- mask_buffer = NULL;
-
for (i = 0; i < height; ++i)
{
- /* fill first half of scanline with source */
- if (fetch_src)
- {
- if (fetch_mask)
- {
- /* fetch mask before source so that fetching of
- source can be optimized */
- fetch_mask (mask, mask_x, mask_y + i,
- width, (void *)mask_buffer, 0);
-
- if (mask_class == SOURCE_IMAGE_CLASS_HORIZONTAL)
- fetch_mask = NULL;
- }
-
- if (src_class == SOURCE_IMAGE_CLASS_HORIZONTAL)
- {
- fetch_src (src, src_x, src_y + i,
- width, (void *)src_buffer, 0);
- fetch_src = NULL;
- }
- else
- {
- fetch_src (src, src_x, src_y + i,
- width, (void *)src_buffer, (void *)mask_buffer);
- }
- }
- else if (fetch_mask)
- {
- fetch_mask (mask, mask_x, mask_y + i,
- width, (void *)mask_buffer, 0);
- }
-
- if (store)
- {
- /* fill dest into second half of scanline */
- if (fetch_dest)
- {
- fetch_dest (dest, dest_x, dest_y + i,
- width, (void *)dest_buffer, 0);
- }
-
- /* blend */
- compose (imp->toplevel, op,
- (void *)dest_buffer,
- (void *)src_buffer,
- (void *)mask_buffer,
- width);
-
- /* write back */
- store (&(dest->bits), dest_x, dest_y + i, width,
- (void *)dest_buffer);
- }
- else
- {
- /* blend */
- compose (imp->toplevel, op,
- bits + (dest_y + i) * stride + dest_x,
- (void *)src_buffer, (void *)mask_buffer, width);
- }
+ uint32_t *s, *m, *d;
+
+ m = mask_iter.get_scanline (&mask_iter, NULL);
+ s = src_iter.get_scanline (&src_iter, m);
+ d = dest_iter.get_scanline (&dest_iter, NULL);
+
+ compose (imp->toplevel, op, d, s, m, width);
+
+ dest_iter.write_back (&dest_iter);
}
- if (scanline_buffer != stack_scanline_buffer)
+ if (scanline_buffer != (uint8_t *) stack_scanline_buffer)
free (scanline_buffer);
}
int dst_bpp,
int src_x,
int src_y,
- int dst_x,
- int dst_y,
+ int dest_x,
+ int dest_y,
int width,
int height)
{
imp->blt = general_blt;
imp->fill = general_fill;
+ imp->src_iter_init = general_src_iter_init;
+ imp->dest_iter_init = general_dest_iter_init;
return imp;
}
projects / profile / ivi / pixman.git / blobdiff