diff options
Diffstat (limited to 'recipes/xorg-lib/pixman-0.21.6/0032-ARM-support-for-software-pipelining-in-bilinear-macr.patch')
| -rw-r--r-- | recipes/xorg-lib/pixman-0.21.6/0032-ARM-support-for-software-pipelining-in-bilinear-macr.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/recipes/xorg-lib/pixman-0.21.6/0032-ARM-support-for-software-pipelining-in-bilinear-macr.patch b/recipes/xorg-lib/pixman-0.21.6/0032-ARM-support-for-software-pipelining-in-bilinear-macr.patch new file mode 100644 index 0000000000..c67f9c638f --- /dev/null +++ b/recipes/xorg-lib/pixman-0.21.6/0032-ARM-support-for-software-pipelining-in-bilinear-macr.patch @@ -0,0 +1,70 @@ +From 6d296598575b8307262fac2cf438d7cc832d09d3 Mon Sep 17 00:00:00 2001 +From: Siarhei Siamashka <siarhei.siamashka@nokia.com> +Date: Wed, 16 Mar 2011 16:33:41 +0200 +Subject: [PATCH 32/40] ARM: support for software pipelining in bilinear macros + +Now it's possible to override the main loop of bilinear scaling code +with optimized pipelined implementation. +--- + pixman/pixman-arm-neon-asm.S | 31 ++++++++++++++++++++++++++++--- + 1 files changed, 28 insertions(+), 3 deletions(-) + +diff --git a/pixman/pixman-arm-neon-asm.S b/pixman/pixman-arm-neon-asm.S +index a4d6a9a..d84f2cc 100644 +--- a/pixman/pixman-arm-neon-asm.S ++++ b/pixman/pixman-arm-neon-asm.S +@@ -2618,12 +2618,32 @@ fname: + bilinear_store_&dst_fmt 4, q2, q3 + .endm + ++.macro bilinear_interpolate_four_pixels_head src_fmt, dst_fmt ++.ifdef have_bilinear_interpolate_four_pixels_&src_fmt&_&dst_fmt ++ bilinear_interpolate_four_pixels_&src_fmt&_&dst_fmt&_head ++.else ++ bilinear_interpolate_four_pixels src_fmt, dst_fmt ++.endif ++.endm ++ ++.macro bilinear_interpolate_four_pixels_tail src_fmt, dst_fmt ++.ifdef have_bilinear_interpolate_four_pixels_&src_fmt&_&dst_fmt ++ bilinear_interpolate_four_pixels_&src_fmt&_&dst_fmt&_tail ++.endif ++.endm ++ ++.macro bilinear_interpolate_four_pixels_tail_head src_fmt, dst_fmt ++.ifdef have_bilinear_interpolate_four_pixels_&src_fmt&_&dst_fmt ++ bilinear_interpolate_four_pixels_&src_fmt&_&dst_fmt&_tail_head ++.else ++ bilinear_interpolate_four_pixels src_fmt, dst_fmt ++.endif ++.endm ++ + /* + * Main template macro for generating NEON optimized bilinear scanline + * functions. + * +- * TODO: use software pipelining in order to improve performance +- * + * Bilinear scanline scaler macro template uses the following arguments: + * fname - name of the function to generate + * src_fmt - source color format (8888 or 0565) +@@ -2693,10 +2713,15 @@ pixman_asm_function fname + subs WIDTH, WIDTH, #4 + blt 1f + mov PF_OFFS, PF_OFFS, asr #(16 - src_bpp_shift) ++ bilinear_interpolate_four_pixels_head src_fmt, dst_fmt ++ subs WIDTH, WIDTH, #4 ++ blt 5f + 0: +- bilinear_interpolate_four_pixels src_fmt, dst_fmt ++ bilinear_interpolate_four_pixels_tail_head src_fmt, dst_fmt + subs WIDTH, WIDTH, #4 + bge 0b ++5: ++ bilinear_interpolate_four_pixels_tail src_fmt, dst_fmt + 1: + + /* handle the remaining trailing pixels */ +-- +1.6.6.1 + |