rom 08b847272d6194711ea95e8f8edfa92712e6f51b Mon Sep 17 00:00:00 2001 From: kui zheng <kui.zh...@arm.com> Date: Wed, 16 Nov 2011 16:03:53 +0800 Subject: [PATCH] generic: Add NEON version of SCacc_add_to_Dacc
Signed-off-by: kui zheng <kui.zh...@arm.com>
---
src/gfx/generic/generic.c | 3 ++
src/gfx/generic/generic_neon.h | 61 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/src/gfx/generic/generic.c b/src/gfx/generic/generic.c
index dc5826a..246761c 100644
--- a/src/gfx/generic/generic.c
+++ b/src/gfx/generic/generic.c
@@ -9660,6 +9660,9 @@ static void gInit_NEON( void )
/********************************* Sop_PFI_to_Dacc ****************************/
Sop_PFI_to_Dacc[DFB_PIXELFORMAT_INDEX(DSPF_RGB16)] =
Sop_rgb16_to_Dacc_NEON;
Sop_PFI_to_Dacc[DFB_PIXELFORMAT_INDEX(DSPF_ARGB )] =
Sop_argb_to_Dacc_NEON;
+/********************************* misc accumulator operations
****************/
+ SCacc_add_to_Dacc = SCacc_add_to_Dacc_NEON;
+
}
#endif
diff --git a/src/gfx/generic/generic_neon.h b/src/gfx/generic/generic_neon.h
index 3c63a79..4f1a5d8 100644
--- a/src/gfx/generic/generic_neon.h
+++ b/src/gfx/generic/generic_neon.h
@@ -255,3 +255,64 @@ static void Bop_rgb32_to_Aop_rgb16_LE_NEON( GenefxState
*gfxs )
);
}
+/*
+ * NEON verion of SCacc_add_to_Dacc.
+ */
+static void SCacc_add_to_Dacc_NEON ( GenefxState *gfxs )
+{
+ int w = gfxs->length;
+ GenefxAccumulator *D = gfxs->Dacc;
+ GenefxAccumulator SCacc = gfxs->SCacc;
+ unsigned int loop = w >> 3;
+ unsigned int single = w & 0x7;
+ u16 maska = 0xf000;
+
+ while (single) {
+ if (!(D->RGB.a & 0xF000)) {
+ D->RGB.a += SCacc.RGB.a;
+ D->RGB.r += SCacc.RGB.r;
+ D->RGB.g += SCacc.RGB.g;
+ D->RGB.b += SCacc.RGB.b;
+ }
+ D++;
+ single--;
+ }
+ if (loop) {
+ __asm__ __volatile__ (
+ "mov r4, %[D] \n\t"
+ "mov r5, %[D] \n\t"
+ "vdup.16 q3, %[SCacc_a] \n\t"
+ "vdup.16 q2, %[SCacc_r] \n\t"
+ "vdup.16 q1, %[SCacc_g] \n\t"
+ "vdup.16 q0, %[SCacc_b] \n\t"
+ "vdup.16 q8, %[maska] \n\t"
+ "1: \n\t"
+ "pld [r4, #0xC0] \n\t"
+ "pld [r4, #0x100] \n\t"
+ "vld4.16 {d8, d10, d12, d14}, [r4]! \n\t"
+ "vld4.16 {d9, d11, d13, d15}, [r4]! \n\t"
+ "vand q9, q7, q8 \n\t"
+ "vceq.i16 q9, q9, #0 \n\t"
+ "vand q10, q9, q0 \n\t"
+ "vand q11, q9, q1 \n\t"
+ "vand q12, q9, q2 \n\t"
+ "vand q13, q9, q3 \n\t"
+ "vadd.i16 q4, q4, q10 \n\t"
+ "vadd.i16 q5, q5, q11 \n\t"
+ "vadd.i16 q6, q6, q12 \n\t"
+ "vadd.i16 q7, q7, q13 \n\t"
+ "vst4.16 {d8, d10, d12, d14}, [r5]! \n\t"
+ "vst4.16 {d9, d11, d13, d15}, [r5]! \n\t"
+ "subs %[loop], %[loop], #1 \n\t"
+ "bne 1b "
+ :
+ : [SCacc_a] "r" (gfxs->SCacc.RGB.a), [SCacc_r] "r"
(gfxs->SCacc.RGB.r),
+ [SCacc_g] "r" (gfxs->SCacc.RGB.g), [SCacc_b] "r"
(gfxs->SCacc.RGB.b),
+ [D] "r" (D), [maska] "r" (maska), [loop] "r" (loop)
+ : "memory", "r4", "r5", "d0", "d1", "d2", "d3", "d4", "d5",
"d6", "d7",
+ "d8", "d9", "d10", "d11", "d12", "d13", "d14", "d15", "d16",
"d17",
+ "d18", "d19", "d20", "d21", "d22", "d23", "d24", "d25",
"d26", "d27"
+ );
+ }
+}
+
--
1.7.1
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0005-generic-Add-NEON-version-of-SCacc_add_to_Dacc.patch
Description: 0005-generic-Add-NEON-version-of-SCacc_add_to_Dacc.patch
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