From b238eb2e77126cae257bc85efb7677cf4a082349 Mon Sep 17 00:00:00 2001
From: Nick Kurshev <nickols_k@mail.ru>
Date: Sun, 28 Oct 2001 10:45:42 +0000
Subject: [PATCH] vo_vesa: more rgb2rgb support
Originally committed as revision 2507 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
---
postproc/rgb2rgb.c | 53 +++++++++++++++++++++++++++++++++++++
postproc/rgb2rgb.h | 3 ++-
postproc/rgb2rgb_template.c | 53 +++++++++++++++++++++++++++++++++++++
3 files changed, 108 insertions(+), 1 deletion(-)
diff --git a/postproc/rgb2rgb.c b/postproc/rgb2rgb.c
index 7e0a1e9917c..df8c8c47fc4 100644
--- a/postproc/rgb2rgb.c
+++ b/postproc/rgb2rgb.c
@@ -1,6 +1,7 @@
#include <inttypes.h>
#include "../config.h"
#include "rgb2rgb.h"
+#include "mmx.h"
/* TODO: MMX optimization */
@@ -33,3 +34,55 @@ void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
s++;
}
}
+
+/* Original by Strepto/Astral
+ ported to gcc & bugfixed : A'rpi */
+void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size)
+{
+#ifdef HAVE_MMX
+ static uint64_t mask_b = 0x001F001F001F001FLL; // 00000000 00011111 xxB
+ static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000 RGx
+ register char* s=src+src_size;
+ register char* d=dst+src_size;
+ register int offs=-src_size;
+ movq_m2r (mask_b, mm4);
+ movq_m2r (mask_rg, mm5);
+ while(offs<0){
+ movq_m2r (*(s+offs), mm0);
+ movq_r2r (mm0, mm1);
+
+ movq_m2r (*(s+8+offs), mm2);
+ movq_r2r (mm2, mm3);
+
+ pand_r2r (mm4, mm0);
+ pand_r2r (mm5, mm1);
+
+ psllq_i2r(1,mm1);
+ pand_r2r (mm4, mm2);
+
+ pand_r2r (mm5, mm3);
+ por_r2r (mm1, mm0);
+
+ psllq_i2r(1,mm3);
+ movq_r2m (mm0,*(d+offs));
+
+ por_r2r (mm3,mm2);
+ movq_r2m (mm2,*(d+8+offs));
+
+ offs+=16;
+ }
+ emms();
+#else
+ uint16_t *s1=( uint16_t * )src;
+ uint16_t *d1=( uint16_t * )dst;
+ uint16_t *e=((uint8_t *)s1)+src_size;
+ while( s1<e ){
+ register int x=*( s1++ );
+ /* rrrrrggggggbbbbb
+ 0rrrrrgggggbbbbb
+ 0111 1111 1110 0000=0x7FE0
+ 00000000000001 1111=0x001F */
+ *( d1++ )=( x&0x001F )|( ( x&0x7FE0 )<<1 );
+ }
+#endif
+}
diff --git a/postproc/rgb2rgb.h b/postproc/rgb2rgb.h
index 7d81ef171a8..69cc9cc2a4a 100644
--- a/postproc/rgb2rgb.h
+++ b/postproc/rgb2rgb.h
@@ -1,6 +1,6 @@
/*
*
- * rgb2rgb.h, Software RGB to RGB converter
+ * rgb2rgb.h, Software RGB to RGB convertor
*
*/
@@ -9,5 +9,6 @@
extern void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size);
+extern void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size);
#endif
diff --git a/postproc/rgb2rgb_template.c b/postproc/rgb2rgb_template.c
index 7e0a1e9917c..df8c8c47fc4 100644
--- a/postproc/rgb2rgb_template.c
+++ b/postproc/rgb2rgb_template.c
@@ -1,6 +1,7 @@
#include <inttypes.h>
#include "../config.h"
#include "rgb2rgb.h"
+#include "mmx.h"
/* TODO: MMX optimization */
@@ -33,3 +34,55 @@ void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
s++;
}
}
+
+/* Original by Strepto/Astral
+ ported to gcc & bugfixed : A'rpi */
+void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size)
+{
+#ifdef HAVE_MMX
+ static uint64_t mask_b = 0x001F001F001F001FLL; // 00000000 00011111 xxB
+ static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000 RGx
+ register char* s=src+src_size;
+ register char* d=dst+src_size;
+ register int offs=-src_size;
+ movq_m2r (mask_b, mm4);
+ movq_m2r (mask_rg, mm5);
+ while(offs<0){
+ movq_m2r (*(s+offs), mm0);
+ movq_r2r (mm0, mm1);
+
+ movq_m2r (*(s+8+offs), mm2);
+ movq_r2r (mm2, mm3);
+
+ pand_r2r (mm4, mm0);
+ pand_r2r (mm5, mm1);
+
+ psllq_i2r(1,mm1);
+ pand_r2r (mm4, mm2);
+
+ pand_r2r (mm5, mm3);
+ por_r2r (mm1, mm0);
+
+ psllq_i2r(1,mm3);
+ movq_r2m (mm0,*(d+offs));
+
+ por_r2r (mm3,mm2);
+ movq_r2m (mm2,*(d+8+offs));
+
+ offs+=16;
+ }
+ emms();
+#else
+ uint16_t *s1=( uint16_t * )src;
+ uint16_t *d1=( uint16_t * )dst;
+ uint16_t *e=((uint8_t *)s1)+src_size;
+ while( s1<e ){
+ register int x=*( s1++ );
+ /* rrrrrggggggbbbbb
+ 0rrrrrgggggbbbbb
+ 0111 1111 1110 0000=0x7FE0
+ 00000000000001 1111=0x001F */
+ *( d1++ )=( x&0x001F )|( ( x&0x7FE0 )<<1 );
+ }
+#endif
+}
--
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