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Merge "Add neon optimize vp9_short_idct10_16x16_add."

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hkuang 2013-08-22 15:57:28 -07:00 committed by Gerrit Code Review
commit 4205d79273
3 changed files with 688 additions and 235 deletions
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70
vp9/common/arm/neon/vp9_idct16x16_neon.c
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@ -20,6 +20,15 @@ extern void vp9_short_idct16x16_add_neon_pass2(int16_t *src,
int16_t skip_adding,
uint8_t *dest,
int dest_stride);
extern void vp9_short_idct10_16x16_add_neon_pass1(int16_t *input,
int16_t *output,
int output_stride);
extern void vp9_short_idct10_16x16_add_neon_pass2(int16_t *src,
int16_t *output,
int16_t *pass1Output,
int16_t skip_adding,
uint8_t *dest,
int dest_stride);
extern void save_registers();
extern void restore_registers();
@ -97,3 +106,64 @@ void vp9_short_idct16x16_add_neon(int16_t *input,
return;
}
void vp9_short_idct10_16x16_add_neon(int16_t *input,
uint8_t *dest, int dest_stride) {
int16_t pass1_output[16*16] = {0};
int16_t row_idct_output[16*16] = {0};
// save d8-d15 register values.
save_registers();
/* Parallel idct on the upper 8 rows */
// First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the
// stage 6 result in pass1_output.
vp9_short_idct10_16x16_add_neon_pass1(input, pass1_output, 8);
// Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines
// with result in pass1(pass1_output) to calculate final result in stage 7
// which will be saved into row_idct_output.
vp9_short_idct10_16x16_add_neon_pass2(input+1,
row_idct_output,
pass1_output,
0,
dest,
dest_stride);
/* Skip Parallel idct on the lower 8 rows as they are all 0s */
/* Parallel idct on the left 8 columns */
// First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the
// stage 6 result in pass1_output.
vp9_short_idct16x16_add_neon_pass1(row_idct_output, pass1_output, 8);
// Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines
// with result in pass1(pass1_output) to calculate final result in stage 7.
// Then add the result to the destination data.
vp9_short_idct16x16_add_neon_pass2(row_idct_output+1,
row_idct_output,
pass1_output,
1,
dest,
dest_stride);
/* Parallel idct on the right 8 columns */
// First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the
// stage 6 result in pass1_output.
vp9_short_idct16x16_add_neon_pass1(row_idct_output+8*16, pass1_output, 8);
// Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines
// with result in pass1(pass1_output) to calculate final result in stage 7.
// Then add the result to the destination data.
vp9_short_idct16x16_add_neon_pass2(row_idct_output+8*16+1,
row_idct_output+8,
pass1_output,
1,
dest+8,
dest_stride);
// restore d8-d15 register values.
restore_registers();
return;
}

851
vp9/common/arm/neon/vp9_short_idct16x16_add_neon.asm
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File diff suppressed because it is too large Load Diff

2
vp9/common/vp9_rtcd_defs.sh
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@ -316,7 +316,7 @@ prototype void vp9_short_idct16x16_add "int16_t *input, uint8_t *dest, int dest_
specialize vp9_short_idct16x16_add sse2 neon
prototype void vp9_short_idct10_16x16_add "int16_t *input, uint8_t *dest, int dest_stride"
specialize vp9_short_idct10_16x16_add sse2
specialize vp9_short_idct10_16x16_add sse2 neon
prototype void vp9_short_idct32x32_add "int16_t *input, uint8_t *dest, int dest_stride"
specialize vp9_short_idct32x32_add sse2