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-rw-r--r--pixman/pixman/pixman-general.c624
1 files changed, 311 insertions, 313 deletions
diff --git a/pixman/pixman/pixman-general.c b/pixman/pixman/pixman-general.c
index 16ea3a457..1e0091094 100644
--- a/pixman/pixman/pixman-general.c
+++ b/pixman/pixman/pixman-general.c
@@ -1,313 +1,311 @@
-/*
- * Copyright © 2009 Red Hat, Inc.
- * Copyright © 2000 SuSE, Inc.
- * Copyright © 2007 Red Hat, Inc.
- * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
- * 2005 Lars Knoll & Zack Rusin, Trolltech
- * 2008 Aaron Plattner, NVIDIA Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Red Hat not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. Red Hat makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <limits.h>
-#include <stdio.h>
-#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,
- int x, int y, int width, int height,
- uint8_t *buffer, iter_flags_t flags)
-{
- iter->image = image;
- iter->x = x;
- iter->y = y;
- iter->width = width;
- iter->buffer = (uint32_t *)buffer;
-
- if (image->type == SOLID)
- {
- _pixman_solid_fill_iter_init (
- image, iter, x, y, width, height, buffer, flags);
- }
- else if (image->type == LINEAR)
- {
- _pixman_linear_gradient_iter_init (
- image, iter, x, y, width, height, buffer, flags);
- }
- else if (image->type == RADIAL)
- {
- _pixman_radial_gradient_iter_init (
- image, iter, x, y, width, height, buffer, flags);
- }
- else if (image->type == CONICAL)
- {
- _pixman_conical_gradient_iter_init (
- image, iter, x, y, width, height, buffer, flags);
- }
- else if (image->type == BITS)
- {
- _pixman_bits_image_src_iter_init (
- image, iter, x, y, width, height, buffer, flags);
- }
- 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,
- pixman_image_t *image,
- int x, int y, int width, int height,
- uint8_t *buffer, iter_flags_t flags)
-{
- iter->image = image;
- iter->x = x;
- iter->y = y;
- iter->width = width;
- iter->buffer = (uint32_t *)buffer;
-
- if (image->type == BITS)
- {
- _pixman_bits_image_dest_iter_init (
- image, iter, x, y, width, height, buffer, flags);
- }
- 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)
-{
- 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;
- pixman_iter_t src_iter, mask_iter, dest_iter;
- pixman_combine_32_func_t compose;
- pixman_bool_t component_alpha;
- iter_flags_t narrow, src_flags;
- int Bpp;
- int i;
-
- if ((src->common.flags & FAST_PATH_NARROW_FORMAT) &&
- (!mask || mask->common.flags & FAST_PATH_NARROW_FORMAT) &&
- (dest->common.flags & FAST_PATH_NARROW_FORMAT))
- {
- narrow = ITER_NARROW;
- Bpp = 4;
- }
- else
- {
- narrow = 0;
- Bpp = 8;
- }
-
- if (width * Bpp > SCANLINE_BUFFER_LENGTH)
- {
- scanline_buffer = pixman_malloc_abc (width, 3, Bpp);
-
- if (!scanline_buffer)
- return;
- }
-
- src_buffer = scanline_buffer;
- mask_buffer = src_buffer + width * Bpp;
- dest_buffer = mask_buffer + width * Bpp;
-
- /* src iter */
- src_flags = narrow | op_flags[op].src;
-
- _pixman_implementation_src_iter_init (imp->toplevel, &src_iter, src,
- src_x, src_y, width, height,
- src_buffer, src_flags);
-
- /* mask iter */
- if ((src_flags & (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB)) ==
- (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB))
- {
- /* If it doesn't matter what the source is, then it doesn't matter
- * what the mask is
- */
- mask = NULL;
- }
-
- component_alpha =
- mask &&
- mask->common.type == BITS &&
- mask->common.component_alpha &&
- PIXMAN_FORMAT_RGB (mask->bits.format);
-
- _pixman_implementation_src_iter_init (
- imp->toplevel, &mask_iter, mask, mask_x, mask_y, width, height,
- mask_buffer, narrow | (component_alpha? 0 : ITER_IGNORE_RGB));
-
- /* dest iter */
- _pixman_implementation_dest_iter_init (imp->toplevel, &dest_iter, dest,
- dest_x, dest_y, width, height,
- dest_buffer,
- narrow | op_flags[op].dst);
-
- if (narrow)
- {
- if (component_alpha)
- compose = _pixman_implementation_combine_32_ca;
- else
- compose = _pixman_implementation_combine_32;
- }
- else
- {
- if (component_alpha)
- compose = (pixman_combine_32_func_t)_pixman_implementation_combine_64_ca;
- else
- compose = (pixman_combine_32_func_t)_pixman_implementation_combine_64;
- }
-
- if (!compose)
- return;
-
- for (i = 0; i < height; ++i)
- {
- 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 != (uint8_t *) stack_scanline_buffer)
- free (scanline_buffer);
-}
-
-static const pixman_fast_path_t general_fast_path[] =
-{
- { PIXMAN_OP_any, PIXMAN_any, 0, PIXMAN_any, 0, PIXMAN_any, 0, general_composite_rect },
- { PIXMAN_OP_NONE }
-};
-
-static pixman_bool_t
-general_blt (pixman_implementation_t *imp,
- uint32_t * src_bits,
- uint32_t * dst_bits,
- int src_stride,
- int dst_stride,
- int src_bpp,
- int dst_bpp,
- int src_x,
- int src_y,
- int dst_x,
- int dst_y,
- int width,
- int height)
-{
- /* We can't blit unless we have sse2 or mmx */
-
- return FALSE;
-}
-
-static pixman_bool_t
-general_fill (pixman_implementation_t *imp,
- uint32_t * bits,
- int stride,
- int bpp,
- int x,
- int y,
- int width,
- int height,
- uint32_t xor)
-{
- return FALSE;
-}
-
-pixman_implementation_t *
-_pixman_implementation_create_general (void)
-{
- pixman_implementation_t *imp = _pixman_implementation_create (NULL, general_fast_path);
-
- _pixman_setup_combiner_functions_32 (imp);
- _pixman_setup_combiner_functions_64 (imp);
-
- 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;
-}
-
+/*
+ * Copyright © 2009 Red Hat, Inc.
+ * Copyright © 2000 SuSE, Inc.
+ * Copyright © 2007 Red Hat, Inc.
+ * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ * 2005 Lars Knoll & Zack Rusin, Trolltech
+ * 2008 Aaron Plattner, NVIDIA Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Red Hat not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. Red Hat makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "pixman-private.h"
+
+static void
+general_src_iter_init (pixman_implementation_t *imp,
+ pixman_iter_t *iter,
+ pixman_image_t *image,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags)
+{
+ iter->image = image;
+ iter->x = x;
+ iter->y = y;
+ iter->width = width;
+ iter->buffer = (uint32_t *)buffer;
+
+ if (image->type == SOLID)
+ {
+ _pixman_solid_fill_iter_init (
+ image, iter, x, y, width, height, buffer, flags);
+ }
+ else if (image->type == LINEAR)
+ {
+ _pixman_linear_gradient_iter_init (
+ image, iter, x, y, width, height, buffer, flags);
+ }
+ else if (image->type == RADIAL)
+ {
+ _pixman_radial_gradient_iter_init (
+ image, iter, x, y, width, height, buffer, flags);
+ }
+ else if (image->type == CONICAL)
+ {
+ _pixman_conical_gradient_iter_init (
+ image, iter, x, y, width, height, buffer, flags);
+ }
+ else if (image->type == BITS)
+ {
+ _pixman_bits_image_src_iter_init (
+ image, iter, x, y, width, height, buffer, flags);
+ }
+ 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,
+ pixman_image_t *image,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags)
+{
+ iter->image = image;
+ iter->x = x;
+ iter->y = y;
+ iter->width = width;
+ iter->buffer = (uint32_t *)buffer;
+
+ if (image->type == BITS)
+ {
+ _pixman_bits_image_dest_iter_init (
+ image, iter, x, y, width, height, buffer, flags);
+ }
+ 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)
+{
+ 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;
+ pixman_iter_t src_iter, mask_iter, dest_iter;
+ pixman_combine_32_func_t compose;
+ pixman_bool_t component_alpha;
+ iter_flags_t narrow, src_flags;
+ int Bpp;
+ int i;
+
+ if ((src->common.flags & FAST_PATH_NARROW_FORMAT) &&
+ (!mask || mask->common.flags & FAST_PATH_NARROW_FORMAT) &&
+ (dest->common.flags & FAST_PATH_NARROW_FORMAT))
+ {
+ narrow = ITER_NARROW;
+ Bpp = 4;
+ }
+ else
+ {
+ narrow = 0;
+ Bpp = 8;
+ }
+
+ if (width * Bpp > SCANLINE_BUFFER_LENGTH)
+ {
+ scanline_buffer = pixman_malloc_abc (width, 3, Bpp);
+
+ if (!scanline_buffer)
+ return;
+ }
+
+ src_buffer = scanline_buffer;
+ mask_buffer = src_buffer + width * Bpp;
+ dest_buffer = mask_buffer + width * Bpp;
+
+ /* src iter */
+ src_flags = narrow | op_flags[op].src;
+
+ _pixman_implementation_src_iter_init (imp->toplevel, &src_iter, src,
+ src_x, src_y, width, height,
+ src_buffer, src_flags);
+
+ /* mask iter */
+ if ((src_flags & (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB)) ==
+ (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB))
+ {
+ /* If it doesn't matter what the source is, then it doesn't matter
+ * what the mask is
+ */
+ mask = NULL;
+ }
+
+ component_alpha =
+ mask &&
+ mask->common.type == BITS &&
+ mask->common.component_alpha &&
+ PIXMAN_FORMAT_RGB (mask->bits.format);
+
+ _pixman_implementation_src_iter_init (
+ imp->toplevel, &mask_iter, mask, mask_x, mask_y, width, height,
+ mask_buffer, narrow | (component_alpha? 0 : ITER_IGNORE_RGB));
+
+ /* dest iter */
+ _pixman_implementation_dest_iter_init (imp->toplevel, &dest_iter, dest,
+ dest_x, dest_y, width, height,
+ dest_buffer,
+ narrow | op_flags[op].dst);
+
+ if (narrow)
+ {
+ if (component_alpha)
+ compose = _pixman_implementation_combine_32_ca;
+ else
+ compose = _pixman_implementation_combine_32;
+ }
+ else
+ {
+ if (component_alpha)
+ compose = (pixman_combine_32_func_t)_pixman_implementation_combine_64_ca;
+ else
+ compose = (pixman_combine_32_func_t)_pixman_implementation_combine_64;
+ }
+
+ if (!compose)
+ return;
+
+ for (i = 0; i < height; ++i)
+ {
+ 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 != (uint8_t *) stack_scanline_buffer)
+ free (scanline_buffer);
+}
+
+static const pixman_fast_path_t general_fast_path[] =
+{
+ { PIXMAN_OP_any, PIXMAN_any, 0, PIXMAN_any, 0, PIXMAN_any, 0, general_composite_rect },
+ { PIXMAN_OP_NONE }
+};
+
+static pixman_bool_t
+general_blt (pixman_implementation_t *imp,
+ uint32_t * src_bits,
+ uint32_t * dst_bits,
+ int src_stride,
+ int dst_stride,
+ int src_bpp,
+ int dst_bpp,
+ int src_x,
+ int src_y,
+ int dst_x,
+ int dst_y,
+ int width,
+ int height)
+{
+ /* We can't blit unless we have sse2 or mmx */
+
+ return FALSE;
+}
+
+static pixman_bool_t
+general_fill (pixman_implementation_t *imp,
+ uint32_t * bits,
+ int stride,
+ int bpp,
+ int x,
+ int y,
+ int width,
+ int height,
+ uint32_t xor)
+{
+ return FALSE;
+}
+
+pixman_implementation_t *
+_pixman_implementation_create_general (void)
+{
+ pixman_implementation_t *imp = _pixman_implementation_create (NULL, general_fast_path);
+
+ _pixman_setup_combiner_functions_32 (imp);
+ _pixman_setup_combiner_functions_64 (imp);
+
+ 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;
+}
+
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