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From 38aabb3be87ea68e37f34256c778d07f62680ec6 Mon Sep 17 00:00:00 2001
From: Siarhei Siamashka <siarhei.siamashka@nokia.com>
Date: Thu, 10 Dec 2009 00:51:50 +0200
Subject: [PATCH 1/6] ARM: HACK: added NEON optimizations for fetch/store r5g6b5 scanline
---
pixman/pixman-access.c | 23 ++++++++++++++++++++++-
pixman/pixman-arm-neon-asm.S | 20 ++++++++++++++++++++
pixman/pixman-arm-neon.c | 40 ++++++++++++++++++++++++++++++++++++++++
pixman/pixman-private.h | 5 +++++
4 files changed, 87 insertions(+), 1 deletions(-)
diff --git a/pixman/pixman-access.c b/pixman/pixman-access.c
index f1ce0ba..b33da29 100644
--- a/pixman/pixman-access.c
+++ b/pixman/pixman-access.c
@@ -2836,7 +2836,7 @@ typedef struct
store_scanline_ ## format, store_scanline_generic_64 \
}
-static const format_info_t accessors[] =
+static format_info_t accessors[] =
{
/* 32 bpp formats */
FORMAT_INFO (a8r8g8b8),
@@ -2978,6 +2978,27 @@ _pixman_bits_image_setup_accessors (bits_image_t *image)
setup_accessors (image);
}
+void
+_pixman_bits_override_accessors (pixman_format_code_t format,
+ fetch_scanline_t fetch_func,
+ store_scanline_t store_func)
+{
+ format_info_t *info = accessors;
+
+ while (info->format != PIXMAN_null)
+ {
+ if (info->format == format)
+ {
+ if (fetch_func)
+ info->fetch_scanline_32 = fetch_func;
+ if (store_func)
+ info->store_scanline_32 = store_func;
+ return;
+ }
+ info++;
+ }
+}
+
#else
void
diff --git a/pixman/pixman-arm-neon-asm.S b/pixman/pixman-arm-neon-asm.S
index 9f6568f..e1a697e 100644
--- a/pixman/pixman-arm-neon-asm.S
+++ b/pixman/pixman-arm-neon-asm.S
@@ -458,6 +458,16 @@ generate_composite_function \
pixman_composite_src_8888_0565_process_pixblock_tail, \
pixman_composite_src_8888_0565_process_pixblock_tail_head
+generate_composite_function_single_scanline \
+ pixman_store_scanline_r5g6b5_asm_neon, 32, 0, 16, \
+ FLAG_DST_WRITEONLY | FLAG_DEINTERLEAVE_32BPP, \
+ 8, /* number of pixels, processed in a single block */ \
+ default_init, \
+ default_cleanup, \
+ pixman_composite_src_8888_0565_process_pixblock_head, \
+ pixman_composite_src_8888_0565_process_pixblock_tail, \
+ pixman_composite_src_8888_0565_process_pixblock_tail_head
+
/******************************************************************************/
.macro pixman_composite_src_0565_8888_process_pixblock_head
@@ -493,6 +503,16 @@ generate_composite_function \
pixman_composite_src_0565_8888_process_pixblock_tail, \
pixman_composite_src_0565_8888_process_pixblock_tail_head
+generate_composite_function_single_scanline \
+ pixman_fetch_scanline_r5g6b5_asm_neon, 16, 0, 32, \
+ FLAG_DST_WRITEONLY | FLAG_DEINTERLEAVE_32BPP, \
+ 8, /* number of pixels, processed in a single block */ \
+ default_init, \
+ default_cleanup, \
+ pixman_composite_src_0565_8888_process_pixblock_head, \
+ pixman_composite_src_0565_8888_process_pixblock_tail, \
+ pixman_composite_src_0565_8888_process_pixblock_tail_head
+
/******************************************************************************/
.macro pixman_composite_add_8000_8000_process_pixblock_head
diff --git a/pixman/pixman-arm-neon.c b/pixman/pixman-arm-neon.c
index ece6054..e0d2001 100644
--- a/pixman/pixman-arm-neon.c
+++ b/pixman/pixman-arm-neon.c
@@ -344,6 +344,42 @@ BIND_COMBINE_U (over)
BIND_COMBINE_U (add)
BIND_COMBINE_U (out_reverse)
+void
+pixman_fetch_scanline_r5g6b5_asm_neon (int width,
+ uint32_t *buffer,
+ const uint16_t *pixel);
+void
+pixman_store_scanline_r5g6b5_asm_neon (int width,
+ uint16_t *pixel,
+ const uint32_t *values);
+
+static void
+neon_fetch_scanline_r5g6b5 (pixman_image_t *image,
+ int x,
+ int y,
+ int width,
+ uint32_t * buffer,
+ const uint32_t *mask)
+{
+ const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
+ const uint16_t *pixel = (const uint16_t *)bits + x;
+
+ pixman_fetch_scanline_r5g6b5_asm_neon (width, buffer, pixel);
+}
+
+static void
+neon_store_scanline_r5g6b5 (bits_image_t * image,
+ int x,
+ int y,
+ int width,
+ const uint32_t *values)
+{
+ uint32_t *bits = image->bits + image->rowstride * y;
+ uint16_t *pixel = ((uint16_t *) bits) + x;
+
+ pixman_store_scanline_r5g6b5_asm_neon (width, pixel, values);
+}
+
pixman_implementation_t *
_pixman_implementation_create_arm_neon (void)
{
@@ -355,6 +391,10 @@ _pixman_implementation_create_arm_neon (void)
imp->combine_32[PIXMAN_OP_ADD] = neon_combine_add_u;
imp->combine_32[PIXMAN_OP_OUT_REVERSE] = neon_combine_out_reverse_u;
+ _pixman_bits_override_accessors (PIXMAN_r5g6b5,
+ neon_fetch_scanline_r5g6b5,
+ neon_store_scanline_r5g6b5);
+
imp->blt = arm_neon_blt;
imp->fill = arm_neon_fill;
diff --git a/pixman/pixman-private.h b/pixman/pixman-private.h
index d85868f..564f8f0 100644
--- a/pixman/pixman-private.h
+++ b/pixman/pixman-private.h
@@ -206,6 +206,11 @@ void
_pixman_bits_image_setup_accessors (bits_image_t *image);
void
+_pixman_bits_override_accessors (pixman_format_code_t format,
+ fetch_scanline_t fetch_func,
+ store_scanline_t store_func);
+
+void
_pixman_image_get_scanline_generic_64 (pixman_image_t *image,
int x,
int y,
--
1.6.6.1
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