diff options
Diffstat (limited to 'pixman/pixman-arm-simd-asm.S')
| -rw-r--r-- | pixman/pixman-arm-simd-asm.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/pixman/pixman-arm-simd-asm.S b/pixman/pixman-arm-simd-asm.S index 7b0727b..a74a0a8 100644 --- a/pixman/pixman-arm-simd-asm.S +++ b/pixman/pixman-arm-simd-asm.S @@ -1136,3 +1136,44 @@ generate_composite_function \ in_reverse_8888_8888_process_tail /******************************************************************************/ + +.macro over_n_8888_init + ldr SRC, [sp, #ARGS_STACK_OFFSET] + /* Hold loop invariant in MASK */ + ldr MASK, =0x00800080 + /* Hold multiplier for destination in STRIDE_M */ + mov STRIDE_M, #255 + sub STRIDE_M, STRIDE_M, SRC, lsr #24 + /* Set GE[3:0] to 0101 so SEL instructions do what we want */ + uadd8 SCRATCH, MASK, MASK +.endm + +.macro over_n_8888_process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload + pixld , numbytes, firstreg, DST, 0 +.endm + +.macro over_n_8888_1pixel dst + mul_8888_8 WK&dst, STRIDE_M, SCRATCH, MASK + uqadd8 WK&dst, WK&dst, SRC +.endm + +.macro over_n_8888_process_tail cond, numbytes, firstreg + .set PROCESS_REG, firstreg + .rept numbytes / 4 + over_n_8888_1pixel %(PROCESS_REG) + .set PROCESS_REG, PROCESS_REG+1 + .endr + pixst , numbytes, firstreg, DST +.endm + +generate_composite_function \ + pixman_composite_over_n_8888_asm_armv6, 0, 0, 32 \ + FLAG_DST_READWRITE | FLAG_BRANCH_OVER | FLAG_PROCESS_DOES_STORE \ + 2, /* prefetch distance */ \ + over_n_8888_init, \ + nop_macro, /* newline */ \ + nop_macro, /* cleanup */ \ + over_n_8888_process_head, \ + over_n_8888_process_tail + +/******************************************************************************/ |