dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-15 21:39:59 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Sync mips32 and dsp_r2 YUV->RGB code with C verison

Browse Source 
Change-Id: Ibe12f5ef596b8922225b95c36b67955a3f8b9ae4
This commit is contained in:
Jovan Zelincevic
2016-06-03 10:04:12 +02:00
parent eee788e26a
commit 50a486656d
3 changed files with 45 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/dsp/yuv_mips_dsp_r2.c
View File

@ -14,8 +14,7 @@
#include "./dsp.h"
// Code is disabled for now, in favor of the plain-C version
#if 0 // defined(WEBP_USE_MIPS_DSP_R2)
#if defined(WEBP_USE_MIPS_DSP_R2)
#include "./yuv.h"
@ -31,10 +30,10 @@
"mul %[temp2], %[t_con_3], %[temp4] \n\t" \
"mul %[temp4], %[t_con_4], %[temp4] \n\t" \
"mul %[temp0], %[t_con_5], %[temp0] \n\t" \
"addu %[temp1], %[temp1], %[t_con_6] \n\t" \
"subu %[temp1], %[temp1], %[t_con_6] \n\t" \
"subu %[temp3], %[temp3], %[t_con_7] \n\t" \
"addu %[temp2], %[temp2], %[temp3] \n\t" \
"addu %[temp4], %[temp4], %[t_con_8] \n\t" \
"subu %[temp4], %[temp4], %[t_con_8] \n\t" \
#define ROW_FUNC_PART_2(R, G, B, K) \
"addu %[temp5], %[temp0], %[temp1] \n\t" \
@ -43,12 +42,12 @@
".if " #K " \n\t" \
"lbu %[temp0], 1(%[y]) \n\t" \
".endif \n\t" \
"shll_s.w %[temp5], %[temp5], 9 \n\t" \
"shll_s.w %[temp6], %[temp6], 9 \n\t" \
"shll_s.w %[temp5], %[temp5], 17 \n\t" \
"shll_s.w %[temp6], %[temp6], 17 \n\t" \
".if " #K " \n\t" \
"mul %[temp0], %[t_con_5], %[temp0] \n\t" \
".endif \n\t" \
"shll_s.w %[temp7], %[temp7], 9 \n\t" \
"shll_s.w %[temp7], %[temp7], 17 \n\t" \
"precrqu_s.qb.ph %[temp5], %[temp5], $zero \n\t" \
"precrqu_s.qb.ph %[temp6], %[temp6], $zero \n\t" \
"precrqu_s.qb.ph %[temp7], %[temp7], $zero \n\t" \
@ -75,14 +74,14 @@ static void FUNC_NAME(const uint8_t* y, \
uint8_t* dst, int len) { \
int i; \
uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; \
const int t_con_1 = kVToR; \
const int t_con_2 = kVToG; \
const int t_con_3 = kUToG; \
const int t_con_4 = kUToB; \
const int t_con_5 = kYScale; \
const int t_con_6 = kRCst; \
const int t_con_7 = kGCst; \
const int t_con_8 = kBCst; \
const int t_con_1 = 26149; \
const int t_con_2 = 13320; \
const int t_con_3 = 6419; \
const int t_con_4 = 33050; \
const int t_con_5 = 19077; \
const int t_con_6 = 14234; \
const int t_con_7 = 8708; \
const int t_con_8 = 17685; \
for (i = 0; i < (len >> 1); i++) { \
__asm__ volatile ( \
ROW_FUNC_PART_1() \