pixman: upgrade to 0.28.0
* Generic-C-implementation-of-pixman_blt-with-overlapp.patch: - adapted to the new version * enable nativesdk variant (From OE-Core rev: b41e55a7ee226a0ae4efdd633cab94e1cc846525) Signed-off-by: Constantin Musca <constantinx.musca@intel.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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From 211b2bcdb19f86f3868a18520df7dcb4fd122f05 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@googlemail.com>
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Date: Sun, 19 Aug 2012 14:48:00 +0200
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Subject: [PATCH 2/2] Generic C implementation of pixman_blt with overlapping
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support
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This was ported from meta-oe's patch [1]:
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Uses memcpy/memmove functions to copy pixels, can handle the
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case when both source and destination areas are in the same
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image (this is useful for scrolling).
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It is assumed that copying direction is only important when
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using the same image for both source and destination (and
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src_stride == dst_stride). Copying direction is undefined
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for the images with different source and destination stride
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which happen to be in the overlapped areas (but this is an
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unrealistic case anyway).
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[1] http://cgit.openembedded.org/meta-openembedded/tree/meta-oe/recipes-graphics/xorg-lib/pixman-0.26.2/0008-Generic-C-implementation-of-pixman_blt-with-overlapp.patch
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Upstream-Status: Unknown - this patch is in meta-oe for a while
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Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
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---
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pixman/pixman-general.c | 21 ++++++++++++++++++---
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pixman/pixman-private.h | 43 +++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 61 insertions(+), 3 deletions(-)
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diff --git a/pixman/pixman-general.c b/pixman/pixman-general.c
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index d4b2daa..a86b206 100644
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--- a/pixman/pixman-general.c
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+++ b/pixman/pixman-general.c
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@@ -215,9 +215,24 @@ general_blt (pixman_implementation_t *imp,
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int width,
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int height)
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{
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- /* We can't blit unless we have sse2 or mmx */
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-
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- return FALSE;
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+ uint8_t *dst_bytes = (uint8_t *)dst_bits;
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+ uint8_t *src_bytes = (uint8_t *)src_bits;
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+ int bpp;
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+
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+ if (src_bpp != dst_bpp || src_bpp & 7)
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+ return FALSE;
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+
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+ bpp = src_bpp >> 3;
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+ width *= bpp;
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+ src_stride *= 4;
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+ dst_stride *= 4;
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+ pixman_blt_helper (src_bytes + src_y * src_stride + src_x * bpp,
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+ dst_bytes + dest_y * dst_stride + dest_x * bpp,
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+ src_stride,
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+ dst_stride,
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+ width,
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+ height);
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+ return TRUE;
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}
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static pixman_bool_t
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diff --git a/pixman/pixman-private.h b/pixman/pixman-private.h
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index d5e6a72..c77d256 100644
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--- a/pixman/pixman-private.h
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+++ b/pixman/pixman-private.h
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@@ -24,6 +24,7 @@
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#include "pixman.h"
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#include <time.h>
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+#include <string.h>
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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@@ -1096,6 +1097,48 @@ void pixman_timer_register (pixman_timer_t *timer);
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extern const uint8_t linear_to_srgb[4096];
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extern const uint16_t srgb_to_linear[256];
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+/* a helper function, can blit 8-bit images with src/dst overlapping support */
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+static inline void
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+pixman_blt_helper (uint8_t *src_bytes,
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+ uint8_t *dst_bytes,
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+ int src_stride,
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+ int dst_stride,
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+ int width,
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+ int height)
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+{
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+ /*
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+ * The second part of this check is not strictly needed, but it prevents
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+ * unnecessary upside-down processing of areas which belong to different
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+ * images. Upside-down processing can be slower with fixed-distance-ahead
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+ * prefetch and perceived as having more tearing.
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+ */
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+ if (src_bytes < dst_bytes + width &&
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+ src_bytes + src_stride * height > dst_bytes)
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+ {
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+ src_bytes += src_stride * height - src_stride;
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+ dst_bytes += dst_stride * height - dst_stride;
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+ dst_stride = -dst_stride;
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+ src_stride = -src_stride;
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+ /* Horizontal scrolling to the left needs memmove */
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+ if (src_bytes + width > dst_bytes)
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+ {
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+ while (--height >= 0)
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+ {
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+ memmove (dst_bytes, src_bytes, width);
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+ dst_bytes += dst_stride;
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+ src_bytes += src_stride;
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+ }
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+ return;
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+ }
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+ }
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+ while (--height >= 0)
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+ {
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+ memcpy (dst_bytes, src_bytes, width);
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+ dst_bytes += dst_stride;
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+ src_bytes += src_stride;
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+ }
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+}
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+
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#endif /* __ASSEMBLER__ */
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#endif /* PIXMAN_PRIVATE_H */
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--
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1.7.4.4
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@ -0,0 +1,124 @@
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Generic C implementation of pixman_blt with overlapping support
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This was ported from meta-oe's patch [1]:
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Uses memcpy/memmove functions to copy pixels, can handle the
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case when both source and destination areas are in the same
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image (this is useful for scrolling).
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It is assumed that copying direction is only important when
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using the same image for both source and destination (and
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src_stride == dst_stride). Copying direction is undefined
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for the images with different source and destination stride
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which happen to be in the overlapped areas (but this is an
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unrealistic case anyway).
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[1] http://cgit.openembedded.org/meta-openembedded/tree/meta-oe/recipes-graphics/xorg-lib/pixman-0.26.2/0008-Generic-C-implementation-of-pixman_blt-with-overlapp.patch
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Upstream-Status: Pending
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Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
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Signed-off-by: Constantin Musca <constantinx.musca@intel.com>
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Index: pixman-0.28.0/pixman/pixman-general.c
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===================================================================
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--- pixman-0.28.0.orig/pixman/pixman-general.c
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+++ pixman-0.28.0/pixman/pixman-general.c
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@@ -214,6 +214,41 @@ static const pixman_fast_path_t general_
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{ PIXMAN_OP_NONE }
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};
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+static pixman_bool_t
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+general_blt (pixman_implementation_t *imp,
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+ uint32_t * src_bits,
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+ uint32_t * dst_bits,
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+ int src_stride,
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+ int dst_stride,
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+ int src_bpp,
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+ int dst_bpp,
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+ int src_x,
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+ int src_y,
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+ int dest_x,
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+ int dest_y,
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+ int width,
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+ int height)
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+{
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+ uint8_t *dst_bytes = (uint8_t *)dst_bits;
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+ uint8_t *src_bytes = (uint8_t *)src_bits;
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+ int bpp;
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+
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+ if (src_bpp != dst_bpp || src_bpp & 7)
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+ return FALSE;
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+
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+ bpp = src_bpp >> 3;
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+ width *= bpp;
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+ src_stride *= 4;
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+ dst_stride *= 4;
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+ pixman_blt_helper (src_bytes + src_y * src_stride + src_x * bpp,
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+ dst_bytes + dest_y * dst_stride + dest_x * bpp,
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+ src_stride,
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+ dst_stride,
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+ width,
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+ height);
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+ return TRUE;
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+}
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+
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pixman_implementation_t *
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_pixman_implementation_create_general (void)
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{
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@@ -222,6 +257,7 @@ _pixman_implementation_create_general (v
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_pixman_setup_combiner_functions_32 (imp);
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_pixman_setup_combiner_functions_float (imp);
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+ imp->blt = general_blt;
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imp->src_iter_init = general_src_iter_init;
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imp->dest_iter_init = general_dest_iter_init;
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Index: pixman-0.28.0/pixman/pixman-private.h
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===================================================================
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--- pixman-0.28.0.orig/pixman/pixman-private.h
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+++ pixman-0.28.0/pixman/pixman-private.h
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@@ -1109,6 +1109,45 @@ void pixman_timer_register (pixman_timer
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#endif /* PIXMAN_TIMERS */
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+/* a helper function, can blit 8-bit images with src/dst overlapping support */
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+static inline void
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+pixman_blt_helper (uint8_t *src_bytes,
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+ uint8_t *dst_bytes,
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+ int src_stride,
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+ int dst_stride,
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+ int width,
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+ int height)
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+{
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+ /*
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+ * The second part of this check is not strictly needed, but it prevents
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+ * unnecessary upside-down processing of areas which belong to different
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+ * images. Upside-down processing can be slower with fixed-distance-ahead
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+ * prefetch and perceived as having more tearing.
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+ */
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+ if (src_bytes < dst_bytes + width &&
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+ src_bytes + src_stride * height > dst_bytes) {
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+ src_bytes += src_stride * height - src_stride;
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+ dst_bytes += dst_stride * height - dst_stride;
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+ dst_stride = -dst_stride;
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+ src_stride = -src_stride;
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+
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+ /* Horizontal scrolling to the left needs memmove */
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+ if (src_bytes + width > dst_bytes) {
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+ while (--height >= 0) {
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+ memmove (dst_bytes, src_bytes, width);
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+ dst_bytes += dst_stride;
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+ src_bytes += src_stride;
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+ }
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+ return;
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+ }
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+ }
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+ while (--height >= 0) {
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+ memcpy (dst_bytes, src_bytes, width);
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+ dst_bytes += dst_stride;
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+ src_bytes += src_stride;
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+ }
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+}
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+
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#endif /* __ASSEMBLER__ */
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#endif /* PIXMAN_PRIVATE_H */
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@ -13,9 +13,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=14096c769ae0cbb5fcb94ec468be11b3 \
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file://pixman/pixman-arm-neon-asm.h;endline=24;md5=9a9cc1e51abbf1da58f4d9528ec9d49b \
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"
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DEPENDS += "zlib libpng"
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BBCLASSEXTEND = "native"
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BBCLASSEXTEND = "native nativesdk"
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PR = "r2"
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PR = "r0"
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PE = "1"
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@ -30,7 +30,7 @@ EXTRA_OECONF_class-native = "--disable-gtk"
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SRC_URI += "\
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file://0001-ARM-qemu-related-workarounds-in-cpu-features-detecti.patch \
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file://0002-Generic-C-implementation-of-pixman_blt-with-overlapp.patch \
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file://Generic-C-implementation-of-pixman_blt-with-overlapp.patch \
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"
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SRC_URI[md5sum] = "dd67154b23d88e6a75ad3a83f3052198"
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SRC_URI[sha256sum] = "cae9dc13727a84f11beb150c88d3a06ba114f82c52d68073c663c027e099123b"
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SRC_URI[md5sum] = "703c3f62437b161c610056e076560570"
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SRC_URI[sha256sum] = "6056f9aa0e0578a0492e34fc2ce6dd7bfb181090ed687993c03b969c8cec4828"
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