[Pixman] [PATCH 2/2] ARM: added 'neon_composite_src_8888_8_0565' fast path
Siarhei Siamashka
siarhei.siamashka at gmail.com
Tue Aug 24 14:57:31 PDT 2010
From: Siarhei Siamashka <siarhei.siamashka at nokia.com>
---
pixman/pixman-arm-neon-asm.S | 49 ++++++++++++++++++++++++++++++++++++++++++
pixman/pixman-arm-neon.c | 4 +++
2 files changed, 53 insertions(+), 0 deletions(-)
diff --git a/pixman/pixman-arm-neon-asm.S b/pixman/pixman-arm-neon-asm.S
index 325f6e7..00cfde3 100644
--- a/pixman/pixman-arm-neon-asm.S
+++ b/pixman/pixman-arm-neon-asm.S
@@ -917,6 +917,55 @@ generate_composite_function \
/******************************************************************************/
+.macro pixman_composite_src_n_8_0565_process_pixblock_head
+ /* in */
+ vmull.u8 q15, d24, d2
+ vmull.u8 q3, d24, d1
+ vmull.u8 q2, d24, d0
+ vrshr.u16 q12, q15, #8
+ vrshr.u16 q11, q3, #8
+ vrshr.u16 q10, q2, #8
+ vraddhn.u16 d16, q15, q12
+ vraddhn.u16 d19, q3, q11
+ vraddhn.u16 d18, q2, q10
+.endm
+
+.macro pixman_composite_src_n_8_0565_process_pixblock_tail
+ /* convert to r5g6b5 */
+ vshll.u8 q14, d16, #8
+ vshll.u8 q8, d19, #8
+ vshll.u8 q9, d18, #8
+ vsri.u16 q14, q8, #5
+ vsri.u16 q14, q9, #11
+.endm
+
+/* TODO: expand macros and do better instructions scheduling */
+.macro pixman_composite_src_8888_8_0565_process_pixblock_tail_head
+ pixman_composite_src_n_8_0565_process_pixblock_tail
+ vld4.8 {d0, d1, d2, d3}, [SRC]!
+ cache_preload 8, 8
+ vld1.8 {d24}, [MASK]!
+ pixman_composite_src_n_8_0565_process_pixblock_head
+ vst1.16 {d28, d29}, [DST_W, :128]!
+.endm
+
+generate_composite_function \
+ pixman_composite_src_8888_8_0565_asm_neon, 32, 8, 16, \
+ FLAG_DEINTERLEAVE_32BPP, \
+ 8, /* number of pixels, processed in a single block */ \
+ 5, /* prefetch distance */ \
+ default_init, \
+ default_cleanup, \
+ pixman_composite_src_n_8_0565_process_pixblock_head, \
+ pixman_composite_src_n_8_0565_process_pixblock_tail, \
+ pixman_composite_src_8888_8_0565_process_pixblock_tail_head, \
+ 28, /* dst_w_basereg */ \
+ 4, /* dst_r_basereg */ \
+ 0, /* src_basereg */ \
+ 24 /* mask_basereg */
+
+/******************************************************************************/
+
.macro pixman_composite_src_0565_0565_process_pixblock_head
.endm
diff --git a/pixman/pixman-arm-neon.c b/pixman/pixman-arm-neon.c
index dc88f50..30358d5 100644
--- a/pixman/pixman-arm-neon.c
+++ b/pixman/pixman-arm-neon.c
@@ -90,6 +90,8 @@ PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8888_8888,
uint32_t, 1, uint32_t, 1, uint32_t, 1)
PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8_0565,
uint32_t, 1, uint8_t, 1, uint16_t, 1)
+PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, src_8888_8_0565,
+ uint32_t, 1, uint8_t, 1, uint16_t, 1)
void
pixman_composite_src_n_8_asm_neon (int32_t w,
@@ -198,6 +200,8 @@ pixman_blt_neon (uint32_t *src_bits,
static const pixman_fast_path_t arm_neon_fast_paths[] =
{
+ PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, a8, r5g6b5, neon_composite_src_8888_8_0565),
+ PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, a8, b5g6r5, neon_composite_src_8888_8_0565),
PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, neon_composite_src_0565_0565),
PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, neon_composite_src_0565_0565),
PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, r5g6b5, neon_composite_src_8888_0565),
--
1.6.4.4
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