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asm optimization for 8bpp (no mmx)

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kojima
2000-01-21 21:04:20 +00:00
parent 34cd5125e3
commit 58ca0c2824
5 changed files with 279 additions and 115 deletions
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39
wrlib/convert.c
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@@ -41,6 +41,19 @@ extern Pixmap R_CreateXImageMappedPixmap(RContext *context, RXImage *ximage);
#endif
#ifdef ASM_X86
extern void x86_PseudoColor_to_8(unsigned char *image,
unsigned char *ximage,
char *err, char *nerr,
short *ctable,
int dr, int dg, int db,
unsigned long *pixels,
int cpc,
int width, int height,
int bytesPerPixel,
int line_offset);
#endif /* ASM_X86 */
#ifdef ASM_X86_MMX
extern int x86_check_mmx();
@@ -59,7 +72,7 @@ extern void x86_mmx_TrueColor_32_to_16(unsigned char *image,
#endif /* X86_ASM */
#endif /* ASM_X86_MMX */
@@ -310,7 +323,8 @@ image2TrueColor(RContext *ctx, RImage *image)
}
memset(err, 0, 8*(image->width+3));
memset(nerr, 0, 8*(image->width+3));
puts("USING MMX");
x86_mmx_TrueColor_32_to_16(image->data,
(unsigned short*)ximg->image->data,
err+8, nerr+8,
@@ -414,6 +428,7 @@ convertPseudoColor_to_8(RXImage *ximg, RImage *image,
r = (rer*3)/8;
g = (ger*3)/8;
b = (ber*3)/8;
/* x+1, y */
err[x+3*1]+=r;
err[x+1+3*1]+=g;
@@ -499,8 +514,8 @@ image2PseudoColor(RContext *ctx, RImage *image)
#ifdef DEBUG
printf("pseudo color dithering with %d colors per channel\n", cpc);
#endif
err = malloc(3*(image->width+2));
nerr = malloc(3*(image->width+2));
err = malloc(4*(image->width+3));
nerr = malloc(4*(image->width+3));
if (!err || !nerr) {
if (nerr)
free(nerr);
@@ -508,12 +523,22 @@ image2PseudoColor(RContext *ctx, RImage *image)
RDestroyXImage(ctx, ximg);
return NULL;
}
memset(err, 0, 3*(image->width+3));
memset(nerr, 0, 3*(image->width+3));
memset(err, 0, 4*(image->width+3));
memset(nerr, 0, 4*(image->width+3));
#ifdef ASM_X86
x86_PseudoColor_to_8(image->data, ximg->image->data,
err+4, nerr+4,
rtable,
dr, dg, db, ctx->pixels, cpc,
image->width, image->height,
channels,
ximg->image->bytes_per_line - image->width);
#else
convertPseudoColor_to_8(ximg, image, err+4, nerr+4,
rtable, gtable, btable,
dr, dg, db, ctx->pixels, cpc);
#endif
free(err);
free(nerr);