mesalib pixman git update 25/1/2011

2 files changed, 450 insertions, 450 deletions

diff --git a/pixman/pixman/pixman-fast-path.h b/pixman/pixman/pixman-fast-path.h
index b82903051..bb7032d86 100644
--- a/pixman/pixman/pixman-fast-path.h
+++ b/pixman/pixman/pixman-fast-path.h
@@ -1,449 +1,449 @@
-/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */
-/*
- * Copyright © 2000 SuSE, Inc.
- * Copyright © 2007 Red Hat, Inc.
- *
- * 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 SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  SuSE makes no representations about the
- * suitability of this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * 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.
- *
- * Author:  Keith Packard, SuSE, Inc.
- */
-
-#ifndef PIXMAN_FAST_PATH_H__
-#define PIXMAN_FAST_PATH_H__
-
-#include "pixman-private.h"
-
-#define PIXMAN_REPEAT_COVER -1
-
-static force_inline pixman_bool_t
-repeat (pixman_repeat_t repeat, int *c, int size)
-{
-    if (repeat == PIXMAN_REPEAT_NONE)
-    {
-	if (*c < 0 || *c >= size)
-	    return FALSE;
-    }
-    else if (repeat == PIXMAN_REPEAT_NORMAL)
-    {
-	while (*c >= size)
-	    *c -= size;
-	while (*c < 0)
-	    *c += size;
-    }
-    else if (repeat == PIXMAN_REPEAT_PAD)
-    {
-	*c = CLIP (*c, 0, size - 1);
-    }
-    else /* REFLECT */
-    {
-	*c = MOD (*c, size * 2);
-	if (*c >= size)
-	    *c = size * 2 - *c - 1;
-    }
-    return TRUE;
-}
-
-/*
- * For each scanline fetched from source image with PAD repeat:
- * - calculate how many pixels need to be padded on the left side
- * - calculate how many pixels need to be padded on the right side
- * - update width to only count pixels which are fetched from the image
- * All this information is returned via 'width', 'left_pad', 'right_pad'
- * arguments. The code is assuming that 'unit_x' is positive.
- *
- * Note: 64-bit math is used in order to avoid potential overflows, which
- *       is probably excessive in many cases. This particular function
- *       may need its own correctness test and performance tuning.
- */
-static force_inline void
-pad_repeat_get_scanline_bounds (int32_t         source_image_width,
-				pixman_fixed_t  vx,
-				pixman_fixed_t  unit_x,
-				int32_t *       width,
-				int32_t *       left_pad,
-				int32_t *       right_pad)
-{
-    int64_t max_vx = (int64_t) source_image_width << 16;
-    int64_t tmp;
-    if (vx < 0)
-    {
-	tmp = ((int64_t) unit_x - 1 - vx) / unit_x;
-	if (tmp > *width)
-	{
-	    *left_pad = *width;
-	    *width = 0;
-	}
-	else
-	{
-	    *left_pad = (int32_t) tmp;
-	    *width -= (int32_t) tmp;
-	}
-    }
-    else
-    {
-	*left_pad = 0;
-    }
-    tmp = ((int64_t) unit_x - 1 - vx + max_vx) / unit_x - *left_pad;
-    if (tmp < 0)
-    {
-	*right_pad = *width;
-	*width = 0;
-    }
-    else if (tmp >= *width)
-    {
-	*right_pad = 0;
-    }
-    else
-    {
-	*right_pad = *width - (int32_t) tmp;
-	*width = (int32_t) tmp;
-    }
-}
-
-/* A macroified version of specialized nearest scalers for some
- * common 8888 and 565 formats. It supports SRC and OVER ops.
- *
- * There are two repeat versions, one that handles repeat normal,
- * and one without repeat handling that only works if the src region
- * used is completely covered by the pre-repeated source samples.
- *
- * The loops are unrolled to process two pixels per iteration for better
- * performance on most CPU architectures (superscalar processors
- * can issue several operations simultaneously, other processors can hide
- * instructions latencies by pipelining operations). Unrolling more
- * does not make much sense because the compiler will start running out
- * of spare registers soon.
- */
-
-#define GET_8888_ALPHA(s) ((s) >> 24)
- /* This is not actually used since we don't have an OVER with
-    565 source, but it is needed to build. */
-#define GET_0565_ALPHA(s) 0xff
-
-#define FAST_NEAREST_SCANLINE(scanline_func_name, SRC_FORMAT, DST_FORMAT,			\
-			      src_type_t, dst_type_t, OP, repeat_mode)				\
-static force_inline void									\
-scanline_func_name (dst_type_t     *dst,							\
-		    src_type_t     *src,							\
-		    int32_t         w,								\
-		    pixman_fixed_t  vx,								\
-		    pixman_fixed_t  unit_x,							\
-		    pixman_fixed_t  max_vx)							\
-{												\
-	uint32_t   d;										\
-	src_type_t s1, s2;									\
-	uint8_t    a1, a2;									\
-	int        x1, x2;									\
-												\
-	if (PIXMAN_OP_ ## OP != PIXMAN_OP_SRC && PIXMAN_OP_ ## OP != PIXMAN_OP_OVER)		\
-	    abort();										\
-												\
-	while ((w -= 2) >= 0)									\
-	{											\
-	    x1 = vx >> 16;									\
-	    vx += unit_x;									\
-	    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)				\
-	    {											\
-		/* This works because we know that unit_x is positive */			\
-		while (vx >= max_vx)								\
-		    vx -= max_vx;								\
-	    }											\
-	    s1 = src[x1];									\
-												\
-	    x2 = vx >> 16;									\
-	    vx += unit_x;									\
-	    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)				\
-	    {											\
-		/* This works because we know that unit_x is positive */			\
-		while (vx >= max_vx)								\
-		    vx -= max_vx;								\
-	    }											\
-	    s2 = src[x2];									\
-												\
-	    if (PIXMAN_OP_ ## OP == PIXMAN_OP_OVER)						\
-	    {											\
-		a1 = GET_ ## SRC_FORMAT ## _ALPHA(s1);						\
-		a2 = GET_ ## SRC_FORMAT ## _ALPHA(s2);						\
-												\
-		if (a1 == 0xff)									\
-		{										\
-		    *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);				\
-		    a1 ^= 0xff;									\
-		    UN8x4_MUL_UN8_ADD_UN8x4 (d, a1, s1);					\
-		    *dst = CONVERT_8888_TO_ ## DST_FORMAT (d);					\
-		}										\
-		dst++;										\
-												\
-		if (a2 == 0xff)									\
-		{										\
-		    *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);				\
-		    a2 ^= 0xff;									\
-		    UN8x4_MUL_UN8_ADD_UN8x4 (d, a2, s2);					\
-		    *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);			\
-	    }											\
-	}											\
-												\
-	if (w & 1)										\
-	{											\
-	    x1 = vx >> 16;									\
-	    s1 = src[x1];									\
-												\
-	    if (PIXMAN_OP_ ## OP == PIXMAN_OP_OVER)						\
-	    {											\
-		a1 = GET_ ## SRC_FORMAT ## _ALPHA(s1);						\
-												\
-		if (a1 == 0xff)									\
-		{										\
-		    *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);				\
-		    a1 ^= 0xff;									\
-		    UN8x4_MUL_UN8_ADD_UN8x4 (d, a1, s1);					\
-		    *dst = CONVERT_8888_TO_ ## DST_FORMAT (d);					\
-		}										\
-		dst++;										\
-	    }											\
-	    else /* PIXMAN_OP_SRC */								\
-	    {											\
-		*dst++ = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s1);			\
-	    }											\
-	}											\
-}
-
-#define FAST_NEAREST_MAINLOOP_INT(scale_func_name, scanline_func, src_type_t, dst_type_t,	\
-				  repeat_mode)							\
-static void											\
-fast_composite_scaled_nearest  ## scale_func_name (pixman_implementation_t *imp,		\
-						   pixman_op_t              op,			\
-						   pixman_image_t *         src_image,		\
-						   pixman_image_t *         mask_image,		\
-						   pixman_image_t *         dst_image,		\
-						   int32_t                  src_x,		\
-						   int32_t                  src_y,		\
-						   int32_t                  mask_x,		\
-						   int32_t                  mask_y,		\
-						   int32_t                  dst_x,		\
-						   int32_t                  dst_y,		\
-						   int32_t                  width,		\
-						   int32_t                  height)		\
-{												\
-    dst_type_t *dst_line;									\
-    src_type_t *src_first_line;									\
-    int       y;										\
-    pixman_fixed_t max_vx = max_vx; /* suppress uninitialized variable warning */		\
-    pixman_fixed_t max_vy;									\
-    pixman_vector_t v;										\
-    pixman_fixed_t vx, vy;									\
-    pixman_fixed_t unit_x, unit_y;								\
-    int32_t left_pad, right_pad;								\
-												\
-    src_type_t *src;										\
-    dst_type_t *dst;										\
-    int       src_stride, dst_stride;								\
-												\
-    PIXMAN_IMAGE_GET_LINE (dst_image, dst_x, dst_y, dst_type_t, dst_stride, dst_line, 1);	\
-    /* pass in 0 instead of src_x and src_y because src_x and src_y need to be			\
-     * transformed from destination space to source space */					\
-    PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, src_type_t, src_stride, src_first_line, 1);		\
-												\
-    /* reference point is the center of the pixel */						\
-    v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2;				\
-    v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2;				\
-    v.vector[2] = pixman_fixed_1;								\
-												\
-    if (!pixman_transform_point_3d (src_image->common.transform, &v))				\
-	return;											\
-												\
-    unit_x = src_image->common.transform->matrix[0][0];						\
-    unit_y = src_image->common.transform->matrix[1][1];						\
-												\
-    /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */			\
-    v.vector[0] -= pixman_fixed_e;								\
-    v.vector[1] -= pixman_fixed_e;								\
-												\
-    vx = v.vector[0];										\
-    vy = v.vector[1];										\
-												\
-    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)					\
-    {												\
-	/* Clamp repeating positions inside the actual samples */				\
-	max_vx = src_image->bits.width << 16;							\
-	max_vy = src_image->bits.height << 16;							\
-												\
-	repeat (PIXMAN_REPEAT_NORMAL, &vx, max_vx);						\
-	repeat (PIXMAN_REPEAT_NORMAL, &vy, max_vy);						\
-    }												\
-												\
-    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_PAD ||					\
-	PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NONE)					\
-    {												\
-	pad_repeat_get_scanline_bounds (src_image->bits.width, vx, unit_x,			\
-					&width, &left_pad, &right_pad);				\
-	vx += left_pad * unit_x;								\
-    }												\
-												\
-    while (--height >= 0)									\
-    {												\
-	dst = dst_line;										\
-	dst_line += dst_stride;									\
-												\
-	y = vy >> 16;										\
-	vy += unit_y;										\
-	if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)				\
-	    repeat (PIXMAN_REPEAT_NORMAL, &vy, max_vy);						\
-	if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_PAD)					\
-	{											\
-	    repeat (PIXMAN_REPEAT_PAD, &y, src_image->bits.height);				\
-	    src = src_first_line + src_stride * y;						\
-	    if (left_pad > 0)									\
-	    {											\
-		scanline_func (dst, src, left_pad, 0, 0, 0);					\
-	    }											\
-	    if (width > 0)									\
-	    {											\
-		scanline_func (dst + left_pad, src, width, vx, unit_x, 0);			\
-	    }											\
-	    if (right_pad > 0)									\
-	    {											\
-		scanline_func (dst + left_pad + width, src + src_image->bits.width - 1,		\
-			        right_pad, 0, 0, 0);						\
-	    }											\
-	}											\
-	else if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NONE)				\
-	{											\
-	    static src_type_t zero[1] = { 0 };							\
-	    if (y < 0 || y >= src_image->bits.height)						\
-	    {											\
-		scanline_func (dst, zero, left_pad + width + right_pad, 0, 0, 0);		\
-		continue;									\
-	    }											\
-	    src = src_first_line + src_stride * y;						\
-	    if (left_pad > 0)									\
-	    {											\
-		scanline_func (dst, zero, left_pad, 0, 0, 0);					\
-	    }											\
-	    if (width > 0)									\
-	    {											\
-		scanline_func (dst + left_pad, src, width, vx, unit_x, 0);			\
-	    }											\
-	    if (right_pad > 0)									\
-	    {											\
-		scanline_func (dst + left_pad + width, zero, right_pad, 0, 0, 0);		\
-	    }											\
-	}											\
-	else											\
-	{											\
-	    src = src_first_line + src_stride * y;						\
-	    scanline_func (dst, src, width, vx, unit_x, max_vx);				\
-	}											\
-    }												\
-}
-
-/* A workaround for old sun studio, see: https://bugs.freedesktop.org/show_bug.cgi?id=32764 */
-#define FAST_NEAREST_MAINLOOP(scale_func_name, scanline_func, src_type_t, dst_type_t,		\
-			      repeat_mode)							\
-	FAST_NEAREST_MAINLOOP_INT(_ ## scale_func_name, scanline_func, src_type_t, dst_type_t,	\
-			      repeat_mode)							\
-
-#define FAST_NEAREST(scale_func_name, SRC_FORMAT, DST_FORMAT,				\
-		     src_type_t, dst_type_t, OP, repeat_mode)				\
-    FAST_NEAREST_SCANLINE(scaled_nearest_scanline_ ## scale_func_name ## _ ## OP,	\
-			  SRC_FORMAT, DST_FORMAT, src_type_t, dst_type_t,		\
-			  OP, repeat_mode)						\
-    FAST_NEAREST_MAINLOOP_INT(_ ## scale_func_name ## _ ## OP,				\
-			  scaled_nearest_scanline_ ## scale_func_name ## _ ## OP,	\
-			  src_type_t, dst_type_t, repeat_mode)
-
-
-#define SCALED_NEAREST_FLAGS						\
-    (FAST_PATH_SCALE_TRANSFORM	|					\
-     FAST_PATH_NO_ALPHA_MAP	|					\
-     FAST_PATH_NEAREST_FILTER	|					\
-     FAST_PATH_NO_ACCESSORS	|					\
-     FAST_PATH_NARROW_FORMAT)
-
-#define SIMPLE_NEAREST_FAST_PATH_NORMAL(op,s,d,func)			\
-    {   PIXMAN_OP_ ## op,						\
-	PIXMAN_ ## s,							\
-	(SCALED_NEAREST_FLAGS		|				\
-	 FAST_PATH_NORMAL_REPEAT	|				\
-	 FAST_PATH_X_UNIT_POSITIVE),					\
-	PIXMAN_null, 0,							\
-	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\
-	fast_composite_scaled_nearest_ ## func ## _normal ## _ ## op,	\
-    }
-
-#define SIMPLE_NEAREST_FAST_PATH_PAD(op,s,d,func)			\
-    {   PIXMAN_OP_ ## op,						\
-	PIXMAN_ ## s,							\
-	(SCALED_NEAREST_FLAGS		|				\
-	 FAST_PATH_PAD_REPEAT		|				\
-	 FAST_PATH_X_UNIT_POSITIVE),					\
-	PIXMAN_null, 0,							\
-	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\
-	fast_composite_scaled_nearest_ ## func ## _pad ## _ ## op,	\
-    }
-
-#define SIMPLE_NEAREST_FAST_PATH_NONE(op,s,d,func)			\
-    {   PIXMAN_OP_ ## op,						\
-	PIXMAN_ ## s,							\
-	(SCALED_NEAREST_FLAGS		|				\
-	 FAST_PATH_NONE_REPEAT		|				\
-	 FAST_PATH_X_UNIT_POSITIVE),					\
-	PIXMAN_null, 0,							\
-	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\
-	fast_composite_scaled_nearest_ ## func ## _none ## _ ## op,	\
-    }
-
-#define SIMPLE_NEAREST_FAST_PATH_COVER(op,s,d,func)			\
-    {   PIXMAN_OP_ ## op,						\
-	PIXMAN_ ## s,							\
-	SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP,		\
-	PIXMAN_null, 0,							\
-	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\
-	fast_composite_scaled_nearest_ ## func ## _cover ## _ ## op,	\
-    }
-
-/* Prefer the use of 'cover' variant, because it is faster */
-#define SIMPLE_NEAREST_FAST_PATH(op,s,d,func)				\
-    SIMPLE_NEAREST_FAST_PATH_COVER (op,s,d,func),			\
-    SIMPLE_NEAREST_FAST_PATH_NONE (op,s,d,func),			\
-    SIMPLE_NEAREST_FAST_PATH_PAD (op,s,d,func),				\
-    SIMPLE_NEAREST_FAST_PATH_NORMAL (op,s,d,func)
-
-#endif
+/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */

+/*

+ * Copyright © 2000 SuSE, Inc.

+ * Copyright © 2007 Red Hat, Inc.

+ *

+ * 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 SuSE not be used in advertising or

+ * publicity pertaining to distribution of the software without specific,

+ * written prior permission.  SuSE makes no representations about the

+ * suitability of this software for any purpose.  It is provided "as is"

+ * without express or implied warranty.

+ *

+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL

+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE

+ * 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.

+ *

+ * Author:  Keith Packard, SuSE, Inc.

+ */

+

+#ifndef PIXMAN_FAST_PATH_H__

+#define PIXMAN_FAST_PATH_H__

+

+#include "pixman-private.h"

+

+#define PIXMAN_REPEAT_COVER -1

+

+static force_inline pixman_bool_t

+repeat (pixman_repeat_t repeat, int *c, int size)

+{

+    if (repeat == PIXMAN_REPEAT_NONE)

+    {

+	if (*c < 0 || *c >= size)

+	    return FALSE;

+    }

+    else if (repeat == PIXMAN_REPEAT_NORMAL)

+    {

+	while (*c >= size)

+	    *c -= size;

+	while (*c < 0)

+	    *c += size;

+    }

+    else if (repeat == PIXMAN_REPEAT_PAD)

+    {

+	*c = CLIP (*c, 0, size - 1);

+    }

+    else /* REFLECT */

+    {

+	*c = MOD (*c, size * 2);

+	if (*c >= size)

+	    *c = size * 2 - *c - 1;

+    }

+    return TRUE;

+}

+

+/*

+ * For each scanline fetched from source image with PAD repeat:

+ * - calculate how many pixels need to be padded on the left side

+ * - calculate how many pixels need to be padded on the right side

+ * - update width to only count pixels which are fetched from the image

+ * All this information is returned via 'width', 'left_pad', 'right_pad'

+ * arguments. The code is assuming that 'unit_x' is positive.

+ *

+ * Note: 64-bit math is used in order to avoid potential overflows, which

+ *       is probably excessive in many cases. This particular function

+ *       may need its own correctness test and performance tuning.

+ */

+static force_inline void

+pad_repeat_get_scanline_bounds (int32_t         source_image_width,

+				pixman_fixed_t  vx,

+				pixman_fixed_t  unit_x,

+				int32_t *       width,

+				int32_t *       left_pad,

+				int32_t *       right_pad)

+{

+    int64_t max_vx = (int64_t) source_image_width << 16;

+    int64_t tmp;

+    if (vx < 0)

+    {

+	tmp = ((int64_t) unit_x - 1 - vx) / unit_x;

+	if (tmp > *width)

+	{

+	    *left_pad = *width;

+	    *width = 0;

+	}

+	else

+	{

+	    *left_pad = (int32_t) tmp;

+	    *width -= (int32_t) tmp;

+	}

+    }

+    else

+    {

+	*left_pad = 0;

+    }

+    tmp = ((int64_t) unit_x - 1 - vx + max_vx) / unit_x - *left_pad;

+    if (tmp < 0)

+    {

+	*right_pad = *width;

+	*width = 0;

+    }

+    else if (tmp >= *width)

+    {

+	*right_pad = 0;

+    }

+    else

+    {

+	*right_pad = *width - (int32_t) tmp;

+	*width = (int32_t) tmp;

+    }

+}

+

+/* A macroified version of specialized nearest scalers for some

+ * common 8888 and 565 formats. It supports SRC and OVER ops.

+ *

+ * There are two repeat versions, one that handles repeat normal,

+ * and one without repeat handling that only works if the src region

+ * used is completely covered by the pre-repeated source samples.

+ *

+ * The loops are unrolled to process two pixels per iteration for better

+ * performance on most CPU architectures (superscalar processors

+ * can issue several operations simultaneously, other processors can hide

+ * instructions latencies by pipelining operations). Unrolling more

+ * does not make much sense because the compiler will start running out

+ * of spare registers soon.

+ */

+

+#define GET_8888_ALPHA(s) ((s) >> 24)

+ /* This is not actually used since we don't have an OVER with

+    565 source, but it is needed to build. */

+#define GET_0565_ALPHA(s) 0xff

+

+#define FAST_NEAREST_SCANLINE(scanline_func_name, SRC_FORMAT, DST_FORMAT,			\

+			      src_type_t, dst_type_t, OP, repeat_mode)				\

+static force_inline void									\

+scanline_func_name (dst_type_t     *dst,							\

+		    src_type_t     *src,							\

+		    int32_t         w,								\

+		    pixman_fixed_t  vx,								\

+		    pixman_fixed_t  unit_x,							\

+		    pixman_fixed_t  max_vx)							\

+{												\

+	uint32_t   d;										\

+	src_type_t s1, s2;									\

+	uint8_t    a1, a2;									\

+	int        x1, x2;									\

+												\

+	if (PIXMAN_OP_ ## OP != PIXMAN_OP_SRC && PIXMAN_OP_ ## OP != PIXMAN_OP_OVER)		\

+	    abort();										\

+												\

+	while ((w -= 2) >= 0)									\

+	{											\

+	    x1 = vx >> 16;									\

+	    vx += unit_x;									\

+	    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)				\

+	    {											\

+		/* This works because we know that unit_x is positive */			\

+		while (vx >= max_vx)								\

+		    vx -= max_vx;								\

+	    }											\

+	    s1 = src[x1];									\

+												\

+	    x2 = vx >> 16;									\

+	    vx += unit_x;									\

+	    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)				\

+	    {											\

+		/* This works because we know that unit_x is positive */			\

+		while (vx >= max_vx)								\

+		    vx -= max_vx;								\

+	    }											\

+	    s2 = src[x2];									\

+												\

+	    if (PIXMAN_OP_ ## OP == PIXMAN_OP_OVER)						\

+	    {											\

+		a1 = GET_ ## SRC_FORMAT ## _ALPHA(s1);						\

+		a2 = GET_ ## SRC_FORMAT ## _ALPHA(s2);						\

+												\

+		if (a1 == 0xff)									\

+		{										\

+		    *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);				\

+		    a1 ^= 0xff;									\

+		    UN8x4_MUL_UN8_ADD_UN8x4 (d, a1, s1);					\

+		    *dst = CONVERT_8888_TO_ ## DST_FORMAT (d);					\

+		}										\

+		dst++;										\

+												\

+		if (a2 == 0xff)									\

+		{										\

+		    *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);				\

+		    a2 ^= 0xff;									\

+		    UN8x4_MUL_UN8_ADD_UN8x4 (d, a2, s2);					\

+		    *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);			\

+	    }											\

+	}											\

+												\

+	if (w & 1)										\

+	{											\

+	    x1 = vx >> 16;									\

+	    s1 = src[x1];									\

+												\

+	    if (PIXMAN_OP_ ## OP == PIXMAN_OP_OVER)						\

+	    {											\

+		a1 = GET_ ## SRC_FORMAT ## _ALPHA(s1);						\

+												\

+		if (a1 == 0xff)									\

+		{										\

+		    *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);				\

+		    a1 ^= 0xff;									\

+		    UN8x4_MUL_UN8_ADD_UN8x4 (d, a1, s1);					\

+		    *dst = CONVERT_8888_TO_ ## DST_FORMAT (d);					\

+		}										\

+		dst++;										\

+	    }											\

+	    else /* PIXMAN_OP_SRC */								\

+	    {											\

+		*dst++ = CONVERT_ ## SRC_FORMAT ## _TO_ ## DST_FORMAT (s1);			\

+	    }											\

+	}											\

+}

+

+#define FAST_NEAREST_MAINLOOP_INT(scale_func_name, scanline_func, src_type_t, dst_type_t,	\

+				  repeat_mode)							\

+static void											\

+fast_composite_scaled_nearest  ## scale_func_name (pixman_implementation_t *imp,		\

+						   pixman_op_t              op,			\

+						   pixman_image_t *         src_image,		\

+						   pixman_image_t *         mask_image,		\

+						   pixman_image_t *         dst_image,		\

+						   int32_t                  src_x,		\

+						   int32_t                  src_y,		\

+						   int32_t                  mask_x,		\

+						   int32_t                  mask_y,		\

+						   int32_t                  dst_x,		\

+						   int32_t                  dst_y,		\

+						   int32_t                  width,		\

+						   int32_t                  height)		\

+{												\

+    dst_type_t *dst_line;									\

+    src_type_t *src_first_line;									\

+    int       y;										\

+    pixman_fixed_t max_vx = INT32_MAX; /* suppress uninitialized variable warning */		\

+    pixman_fixed_t max_vy;									\

+    pixman_vector_t v;										\

+    pixman_fixed_t vx, vy;									\

+    pixman_fixed_t unit_x, unit_y;								\

+    int32_t left_pad, right_pad;								\

+												\

+    src_type_t *src;										\

+    dst_type_t *dst;										\

+    int       src_stride, dst_stride;								\

+												\

+    PIXMAN_IMAGE_GET_LINE (dst_image, dst_x, dst_y, dst_type_t, dst_stride, dst_line, 1);	\

+    /* pass in 0 instead of src_x and src_y because src_x and src_y need to be			\

+     * transformed from destination space to source space */					\

+    PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, src_type_t, src_stride, src_first_line, 1);		\

+												\

+    /* reference point is the center of the pixel */						\

+    v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2;				\

+    v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2;				\

+    v.vector[2] = pixman_fixed_1;								\

+												\

+    if (!pixman_transform_point_3d (src_image->common.transform, &v))				\

+	return;											\

+												\

+    unit_x = src_image->common.transform->matrix[0][0];						\

+    unit_y = src_image->common.transform->matrix[1][1];						\

+												\

+    /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */			\

+    v.vector[0] -= pixman_fixed_e;								\

+    v.vector[1] -= pixman_fixed_e;								\

+												\

+    vx = v.vector[0];										\

+    vy = v.vector[1];										\

+												\

+    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)					\

+    {												\

+	/* Clamp repeating positions inside the actual samples */				\

+	max_vx = src_image->bits.width << 16;							\

+	max_vy = src_image->bits.height << 16;							\

+												\

+	repeat (PIXMAN_REPEAT_NORMAL, &vx, max_vx);						\

+	repeat (PIXMAN_REPEAT_NORMAL, &vy, max_vy);						\

+    }												\

+												\

+    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_PAD ||					\

+	PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NONE)					\

+    {												\

+	pad_repeat_get_scanline_bounds (src_image->bits.width, vx, unit_x,			\

+					&width, &left_pad, &right_pad);				\

+	vx += left_pad * unit_x;								\

+    }												\

+												\

+    while (--height >= 0)									\

+    {												\

+	dst = dst_line;										\

+	dst_line += dst_stride;									\

+												\

+	y = vy >> 16;										\

+	vy += unit_y;										\

+	if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)				\

+	    repeat (PIXMAN_REPEAT_NORMAL, &vy, max_vy);						\

+	if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_PAD)					\

+	{											\

+	    repeat (PIXMAN_REPEAT_PAD, &y, src_image->bits.height);				\

+	    src = src_first_line + src_stride * y;						\

+	    if (left_pad > 0)									\

+	    {											\

+		scanline_func (dst, src, left_pad, 0, 0, 0);					\

+	    }											\

+	    if (width > 0)									\

+	    {											\

+		scanline_func (dst + left_pad, src, width, vx, unit_x, 0);			\

+	    }											\

+	    if (right_pad > 0)									\

+	    {											\

+		scanline_func (dst + left_pad + width, src + src_image->bits.width - 1,		\

+			        right_pad, 0, 0, 0);						\

+	    }											\

+	}											\

+	else if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NONE)				\

+	{											\

+	    static src_type_t zero[1] = { 0 };							\

+	    if (y < 0 || y >= src_image->bits.height)						\

+	    {											\

+		scanline_func (dst, zero, left_pad + width + right_pad, 0, 0, 0);		\

+		continue;									\

+	    }											\

+	    src = src_first_line + src_stride * y;						\

+	    if (left_pad > 0)									\

+	    {											\

+		scanline_func (dst, zero, left_pad, 0, 0, 0);					\

+	    }											\

+	    if (width > 0)									\

+	    {											\

+		scanline_func (dst + left_pad, src, width, vx, unit_x, 0);			\

+	    }											\

+	    if (right_pad > 0)									\

+	    {											\

+		scanline_func (dst + left_pad + width, zero, right_pad, 0, 0, 0);		\

+	    }											\

+	}											\

+	else											\

+	{											\

+	    src = src_first_line + src_stride * y;						\

+	    scanline_func (dst, src, width, vx, unit_x, max_vx);				\

+	}											\

+    }												\

+}

+

+/* A workaround for old sun studio, see: https://bugs.freedesktop.org/show_bug.cgi?id=32764 */

+#define FAST_NEAREST_MAINLOOP(scale_func_name, scanline_func, src_type_t, dst_type_t,		\

+			      repeat_mode)							\

+	FAST_NEAREST_MAINLOOP_INT(_ ## scale_func_name, scanline_func, src_type_t, dst_type_t,	\

+			      repeat_mode)							\

+

+#define FAST_NEAREST(scale_func_name, SRC_FORMAT, DST_FORMAT,				\

+		     src_type_t, dst_type_t, OP, repeat_mode)				\

+    FAST_NEAREST_SCANLINE(scaled_nearest_scanline_ ## scale_func_name ## _ ## OP,	\

+			  SRC_FORMAT, DST_FORMAT, src_type_t, dst_type_t,		\

+			  OP, repeat_mode)						\

+    FAST_NEAREST_MAINLOOP_INT(_ ## scale_func_name ## _ ## OP,				\

+			  scaled_nearest_scanline_ ## scale_func_name ## _ ## OP,	\

+			  src_type_t, dst_type_t, repeat_mode)

+

+

+#define SCALED_NEAREST_FLAGS						\

+    (FAST_PATH_SCALE_TRANSFORM	|					\

+     FAST_PATH_NO_ALPHA_MAP	|					\

+     FAST_PATH_NEAREST_FILTER	|					\

+     FAST_PATH_NO_ACCESSORS	|					\

+     FAST_PATH_NARROW_FORMAT)

+

+#define SIMPLE_NEAREST_FAST_PATH_NORMAL(op,s,d,func)			\

+    {   PIXMAN_OP_ ## op,						\

+	PIXMAN_ ## s,							\

+	(SCALED_NEAREST_FLAGS		|				\

+	 FAST_PATH_NORMAL_REPEAT	|				\

+	 FAST_PATH_X_UNIT_POSITIVE),					\

+	PIXMAN_null, 0,							\

+	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\

+	fast_composite_scaled_nearest_ ## func ## _normal ## _ ## op,	\

+    }

+

+#define SIMPLE_NEAREST_FAST_PATH_PAD(op,s,d,func)			\

+    {   PIXMAN_OP_ ## op,						\

+	PIXMAN_ ## s,							\

+	(SCALED_NEAREST_FLAGS		|				\

+	 FAST_PATH_PAD_REPEAT		|				\

+	 FAST_PATH_X_UNIT_POSITIVE),					\

+	PIXMAN_null, 0,							\

+	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\

+	fast_composite_scaled_nearest_ ## func ## _pad ## _ ## op,	\

+    }

+

+#define SIMPLE_NEAREST_FAST_PATH_NONE(op,s,d,func)			\

+    {   PIXMAN_OP_ ## op,						\

+	PIXMAN_ ## s,							\

+	(SCALED_NEAREST_FLAGS		|				\

+	 FAST_PATH_NONE_REPEAT		|				\

+	 FAST_PATH_X_UNIT_POSITIVE),					\

+	PIXMAN_null, 0,							\

+	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\

+	fast_composite_scaled_nearest_ ## func ## _none ## _ ## op,	\

+    }

+

+#define SIMPLE_NEAREST_FAST_PATH_COVER(op,s,d,func)			\

+    {   PIXMAN_OP_ ## op,						\

+	PIXMAN_ ## s,							\

+	SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP,		\

+	PIXMAN_null, 0,							\

+	PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS,				\

+	fast_composite_scaled_nearest_ ## func ## _cover ## _ ## op,	\

+    }

+

+/* Prefer the use of 'cover' variant, because it is faster */

+#define SIMPLE_NEAREST_FAST_PATH(op,s,d,func)				\

+    SIMPLE_NEAREST_FAST_PATH_COVER (op,s,d,func),			\

+    SIMPLE_NEAREST_FAST_PATH_NONE (op,s,d,func),			\

+    SIMPLE_NEAREST_FAST_PATH_PAD (op,s,d,func),				\

+    SIMPLE_NEAREST_FAST_PATH_NORMAL (op,s,d,func)

+

+#endif

diff --git a/pixman/test/utils.c b/pixman/test/utils.c
index 883095250..a896e5be1 100644
--- a/pixman/test/utils.c
+++ b/pixman/test/utils.c
@@ -295,7 +295,7 @@ fence_free (void *data)
 #else

 

 void *

-fence_malloc (uint32_t len)

+fence_malloc (int64_t len)

 {

     return malloc (len);

 }