Add m-esr52 at 52.6.0

1 files changed, 176 insertions, 0 deletions

diff --git a/gfx/cairo/libpixman/src/pixman-noop.c b/gfx/cairo/libpixman/src/pixman-noop.c
new file mode 100644
index 000000000..e39996d9d
--- /dev/null
+++ b/gfx/cairo/libpixman/src/pixman-noop.c
@@ -0,0 +1,176 @@
+/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */
+/*
+ * Copyright © 2011 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+#include "pixman-private.h"
+#include "pixman-combine32.h"
+#include "pixman-inlines.h"
+
+static void
+noop_composite (pixman_implementation_t *imp,
+		pixman_composite_info_t *info)
+{
+    return;
+}
+
+static void
+dest_write_back_direct (pixman_iter_t *iter)
+{
+    iter->buffer += iter->image->bits.rowstride;
+}
+
+static uint32_t *
+noop_get_scanline (pixman_iter_t *iter, const uint32_t *mask)
+{
+    uint32_t *result = iter->buffer;
+
+    iter->buffer += iter->image->bits.rowstride;
+
+    return result;
+}
+
+static uint32_t *
+get_scanline_null (pixman_iter_t *iter, const uint32_t *mask)
+{
+    return NULL;
+}
+
+static pixman_bool_t
+noop_src_iter_init (pixman_implementation_t *imp, pixman_iter_t *iter)
+{
+    pixman_image_t *image = iter->image;
+
+#define FLAGS						\
+    (FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM)
+
+    if (!image)
+    {
+	iter->get_scanline = get_scanline_null;
+    }
+    else if ((iter->iter_flags & (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB)) ==
+	     (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB))
+    {
+	iter->get_scanline = _pixman_iter_get_scanline_noop;
+    }
+    else if (image->common.extended_format_code == PIXMAN_solid		&&
+	     (iter->image->type == SOLID ||
+	      (iter->image_flags & FAST_PATH_NO_ALPHA_MAP)))
+    {
+	if (iter->iter_flags & ITER_NARROW)
+	{
+	    uint32_t *buffer = iter->buffer;
+	    uint32_t *end = buffer + iter->width;
+	    uint32_t color;
+
+	    if (image->type == SOLID)
+		color = image->solid.color_32;
+	    else
+		color = image->bits.fetch_pixel_32 (&image->bits, 0, 0);
+
+	    while (buffer < end)
+		*(buffer++) = color;
+	}
+	else
+	{
+	    argb_t *buffer = (argb_t *)iter->buffer;
+	    argb_t *end = buffer + iter->width;
+	    argb_t color;
+
+	    if (image->type == SOLID)
+		color = image->solid.color_float;
+	    else
+		color = image->bits.fetch_pixel_float (&image->bits, 0, 0);
+
+	    while (buffer < end)
+		*(buffer++) = color;
+	}
+
+	iter->get_scanline = _pixman_iter_get_scanline_noop;
+    }
+    else if (image->common.extended_format_code == PIXMAN_a8r8g8b8	&&
+	     (iter->iter_flags & ITER_NARROW)				&&
+	     (iter->image_flags & FLAGS) == FLAGS			&&
+	     iter->x >= 0 && iter->y >= 0				&&
+	     iter->x + iter->width <= image->bits.width			&&
+	     iter->y + iter->height <= image->bits.height)
+    {
+	iter->buffer =
+	    image->bits.bits + iter->y * image->bits.rowstride + iter->x;
+
+	iter->get_scanline = noop_get_scanline;
+    }
+    else
+    {
+	return FALSE;
+    }
+
+    return TRUE;
+}
+
+static pixman_bool_t
+noop_dest_iter_init (pixman_implementation_t *imp, pixman_iter_t *iter)
+{
+    pixman_image_t *image = iter->image;
+    uint32_t image_flags = iter->image_flags;
+    uint32_t iter_flags = iter->iter_flags;
+    
+    if ((image_flags & FAST_PATH_STD_DEST_FLAGS) == FAST_PATH_STD_DEST_FLAGS	&&
+	(iter_flags & ITER_NARROW) == ITER_NARROW				&&
+	((image->common.extended_format_code == PIXMAN_a8r8g8b8)	||
+	 (image->common.extended_format_code == PIXMAN_x8r8g8b8 &&
+	  (iter_flags & (ITER_LOCALIZED_ALPHA)))))
+    {
+	iter->buffer = image->bits.bits + iter->y * image->bits.rowstride + iter->x;
+
+	iter->get_scanline = _pixman_iter_get_scanline_noop;
+	iter->write_back = dest_write_back_direct;
+
+	return TRUE;
+    }
+    else
+    {
+	return FALSE;
+    }
+}
+
+static const pixman_fast_path_t noop_fast_paths[] =
+{
+    { PIXMAN_OP_DST, PIXMAN_any, 0, PIXMAN_any, 0, PIXMAN_any, 0, noop_composite },
+    { PIXMAN_OP_NONE },
+};
+
+pixman_implementation_t *
+_pixman_implementation_create_noop (pixman_implementation_t *fallback)
+{
+    pixman_implementation_t *imp =
+	_pixman_implementation_create (fallback, noop_fast_paths);
+ 
+    imp->src_iter_init = noop_src_iter_init;
+    imp->dest_iter_init = noop_dest_iter_init;
+
+    return imp;
+}