Purge unused and bit rotted fz_accelerate stuff.

1 files changed, 0 insertions, 486 deletions

diff --git a/draw/arch_port.c b/draw/arch_port.c
deleted file mode 100644
index fa5890b5..00000000
--- a/draw/arch_port.c
+++ /dev/null
@@ -1,486 +0,0 @@
-#include "fitz.h"
-
-typedef unsigned char byte;
-
-/* These C implementations use SWAR (SIMD-within-a-register) techniques. */
-
-#if 0 /* TODO: move into porterduff.c functions */
-
-#define MASK 0xFF00FF00;
-
-static void
-path_w4i1o4_32bit(byte *rgba,
-	byte * restrict src, byte cov, int len, byte * restrict dst)
-{
-	/* COLOR * coverage + DST * (256-coverage) = (COLOR - DST)*coverage + DST*256 */
-	unsigned int *dst32 = (unsigned int *)(void *)dst;
-	int alpha = rgba[3];
-	unsigned int rb = rgba[0] | (rgba[2] << 16);
-	unsigned int ga = rgba[1] | 0xFF0000;
-
-	if (alpha == 0)
-		return;
-
-	if (alpha != 255)
-	{
-		alpha += alpha>>7; /* alpha is now in the 0...256 range */
-		while (len--)
-		{
-			unsigned int ca, drb, dga, crb, cga;
-			cov += *src; *src++ = 0;
-			ca = cov + (cov>>7); /* ca is in 0...256 range */
-			ca = (ca*alpha)>>8; /* ca is is in 0...256 range */
-			drb = *dst32++;
-			if (ca != 0)
-			{
-				dga = drb & MASK;
-				drb = (drb<<8) & MASK;
-				cga = ga - (dga>>8);
-				crb = rb - (drb>>8);
-				dga += cga * ca;
-				drb += crb * ca;
-				dga &= MASK;
-				drb &= MASK;
-				drb = dga | (drb>>8);
-				dst32[-1] = drb;
-			}
-		}
-	}
-	else
-	{
-		while (len--)
-		{
-			unsigned int ca, drb, dga, crb, cga;
-			cov += *src; *src++ = 0;
-			ca = cov + (cov>>7); /* ca is in 0...256 range */
-			drb = *dst32++;
-			if (ca == 0)
-				continue;
-			if (ca == 255)
-			{
-				drb = (ga<<8) | rb;
-			}
-			else
-			{
-				dga = drb & MASK;
-				drb = (drb<<8) & MASK;
-				cga = ga - (dga>>8);
-				crb = rb - (drb>>8);
-				dga += cga * ca;
-				drb += crb * ca;
-				dga &= MASK;
-				drb &= MASK;
-				drb = dga |(drb>>8);
-			}
-			dst32[-1] = drb;
-		}
-	}
-}
-
-static void
-text_w4i1o4_32bit(byte *rgba,
-	byte * restrict src, int srcw,
-	byte * restrict dst, int dstw, int w0, int h)
-{
-	unsigned int *dst32 = (unsigned int *)(void *)dst;
-	unsigned int alpha = rgba[3];
-	unsigned int rb = rgba[0] | (rgba[2] << 16);
-	unsigned int ga = rgba[1] | 0xFF0000;
-
-	if (alpha == 0)
-		return;
-
-	srcw -= w0;
-	dstw = (dstw>>2)-w0;
-
-	if (alpha != 255)
-	{
-		alpha += alpha>>7; /* alpha is now in the 0...256 range */
-		while (h--)
-		{
-			int w = w0;
-			while (w--)
-			{
-				unsigned int ca, drb, dga, crb, cga;
-				ca = *src++;
-				drb = *dst32++;
-				ca += ca>>7;
-				ca = (ca*alpha)>>8;
-				if (ca == 0)
-					continue;
-				dga = drb & MASK;
-				drb = (drb<<8) & MASK;
-				cga = ga - (dga>>8);
-				crb = rb - (drb>>8);
-				dga += cga * ca;
-				drb += crb * ca;
-				dga &= MASK;
-				drb &= MASK;
-				drb = dga | (drb>>8);
-				dst32[-1] = drb;
-			}
-			src += srcw;
-			dst32 += dstw;
-		}
-	}
-	else
-	{
-		while (h--)
-		{
-			int w = w0;
-			while (w--)
-			{
-				unsigned int ca, drb, dga, crb, cga;
-				ca = *src++;
-				drb = *dst32++;
-				ca += ca>>7;
-				if (ca == 0)
-					continue;
-				dga = drb & MASK;
-				drb = (drb<<8) & MASK;
-				cga = ga - (dga>>8);
-				crb = rb - (drb>>8);
-				dga += cga * ca;
-				drb += crb * ca;
-				dga &= MASK;
-				drb &= MASK;
-				drb = dga | (drb>>8);
-				dst32[-1] = drb;
-			}
-			src += srcw;
-			dst32 += dstw;
-		}
-	}
-}
-
-static void
-img_4o4_32bit(byte * restrict src, byte cov, int len, byte * restrict dst,
-	fz_pixmap *image, int u, int v, int fa, int fb)
-{
-	unsigned int *dst32 = (unsigned int *)(void *)dst;
-	unsigned int *samples = (unsigned int *)(void *)image->samples;
-	int w = image->w;
-	int h = image->h-1;
-
-	while (len--)
-	{
-		unsigned int a, a1, d, d1;
-		int sa;
-		cov += *src; *src = 0; src++;
-		/* (a,a1) = sampleargb(samples, w, h, u, v, argb); */
-		{
-			int ui, ui1, vi, vi1, ud, vd;
-			unsigned int b, b1, c, c1;
-			ui1 = 1;
-			ui = u >> 16;
-			if (ui < 0)
-			{
-				ui = 0;
-				ui1 = 0;
-			}
-			else if (ui >= w-1)
-			{
-				ui = w-1;
-				ui1 = 0;
-			}
-			vi1 = w;
-			vi = v >> 16;
-			if (vi < 0)
-			{
-				vi = 0;
-				vi1 = 0;
-			}
-			else if (vi >= h)
-			{
-				vi = h;
-				vi1 = 0;
-			}
-			ui += vi*w;
-			a = samples[ui];
-			b = samples[ui + ui1];
-			c = samples[ui + vi1];
-			d = samples[ui + ui1 + vi1];
-			ud = (u>>8) & 0xFF;
-			vd = (v>>8) & 0xFF;
-			ud = FZ_EXPAND(ud);
-			vd = FZ_EXPAND(vd);
-			/* (a,a1) = blend(a,b,ud) */
-			a1 = a & MASK;
-			a = (a<<8) & MASK;
-			b1 = (b>>8) & ~MASK;
-			b = b & ~MASK;
-			a = ((b -(a >>8)) * ud + a ) & MASK;
-			a1 = ((b1-(a1>>8)) * ud + a1) & MASK;
-			/* (c,c1) = blend(c,d,ud) */
-			c1 = c & MASK;
-			c = (c<<8) & MASK;
-			d1 = (d>>8) & ~MASK;
-			d = d & ~MASK;
-			c = ((d -(c >>8)) * ud + c ) & MASK;
-			c1 = ((d1-(c1>>8)) * ud + c1) & MASK;
-			/* (a,a1) = blend((a,a1),(c,c1),vd) */
-			a = (((c >>8)-(a >>8)) * vd + a ) & MASK;
-			a1 = (((c1>>8)-(a1>>8)) * vd + a1) & MASK;
-		}
-		sa = (a1>>24);
-		sa = FZ_COMBINE(FZ_EXPAND(sa), FZ_EXPAND(cov));
-		a1 |= 0xFF000000;
-		d = *dst32++;
-		d1 = d & MASK;
-		d = (d<<8) & MASK;
-		a = (((a >>8)-(d >>8)) * sa + d ) & MASK;
-		a1 = (((a1>>8)-(d1>>8)) * sa + d1) & MASK;
-		dst32[-1] = (a>>8) | a1;
-		u += fa;
-		v += fb;
-	}
-}
-
-static void
-img_w4i1o4_32bit(byte *rgba, byte * restrict src, byte cov, int len,
-	byte * restrict dst, fz_pixmap *image, int u, int v, int fa, int fb)
-{
-	byte *samples = image->samples;
-	int w = image->w;
-	int h = image->h-1;
-	int alpha = FZ_EXPAND(rgba[3]);
-	unsigned int rb = rgba[0] | (rgba[2] << 16);
-	unsigned int ga = rgba[1] | 0xFF0000;
-	unsigned int *dst32 = (unsigned int *)(void *)dst;
-
-	if (alpha == 0)
-		return;
-	if (alpha != 256)
-	{
-		while (len--)
-		{
-			unsigned int ca, drb, dga, crb, cga;
-			unsigned int a, b;
-			cov += *src; *src = 0; src++;
-			drb = *dst32++;
-			ca = FZ_COMBINE(FZ_EXPAND(cov), alpha);
-			if (ca != 0)
-			{
-				int ui, ui1, vi, vi1, ud, vd;
-				/* a = samplemask(samples, w, h, u, v); */
-				ui1 = 1;
-				ui = u >> 16;
-				if (ui < 0)
-				{
-					ui = 0;
-					ui1 = 0;
-				}
-				else if (ui >= w-1)
-				{
-					ui = w-1;
-					ui1 = 0;
-				}
-				vi1 = w;
-				vi = v >> 16;
-				if (vi < 0)
-				{
-					vi = 0;
-					vi1 = 0;
-				}
-				else if (vi >= h)
-				{
-					vi = h;
-					vi1 = 0;
-				}
-				ui += vi*w;
-				a = samples[ui];
-				b = samples[ui + ui1];
-				a |= samples[ui + vi1]<<16;
-				b |= samples[ui + ui1 + vi1]<<16;
-				ud = (u>>8) & 0xFF;
-				vd = (v>>8) & 0xFF;
-				ud = FZ_EXPAND(ud);
-				vd = FZ_EXPAND(vd);
-				/* a = blend(a,b,ud) */
-				a = ((b-a) * ud + (a<<8)) & MASK;
-				/* a = blend(a,a>>16,vd) */
-				a = (((a>>24)-(a>>8)) * vd + a);
-				a = (a>>8) & 0xFF;
-				ca = FZ_COMBINE(ca, FZ_EXPAND(a));
-			}
-			if (ca != 0)
-			{
-				dga = drb & MASK;
-				drb = (drb<<8) & MASK;
-				cga = ga - (dga>>8);
-				crb = rb - (drb>>8);
-				dga += cga * ca;
-				drb += crb * ca;
-				dga &= MASK;
-				drb &= MASK;
-				drb = dga | (drb>>8);
-				dst32[-1] = drb;
-			}
-			u += fa;
-			v += fb;
-		}
-	}
-	else
-	{
-		while (len--)
-		{
-			unsigned int ca, drb, dga, crb, cga;
-			unsigned int a, b;
-			cov += *src; *src = 0; src++;
-			drb = *dst32++;
-			if (cov != 0)
-			{
-				int ui, ui1, vi, vi1, ud, vd;
-				/* a = samplemask(samples, w, h, u, v); */
-				ui1 = 1;
-				ui = u >> 16;
-				if (ui < 0)
-				{
-					ui = 0;
-					ui1 = 0;
-				}
-				else if (ui >= w-1)
-				{
-					ui = w-1;
-					ui1 = 0;
-				}
-				vi1 = w;
-				vi = v >> 16;
-				if (vi < 0)
-				{
-					vi = 0;
-					vi1 = 0;
-				}
-				else if (vi >= h)
-				{
-					vi = h;
-					vi1 = 0;
-				}
-				ui += vi*w;
-				a = samples[ui];
-				b = samples[ui + ui1];
-				a |= samples[ui + vi1]<<16;
-				b |= samples[ui + ui1 + vi1]<<16;
-				ud = (u>>8) & 0xFF;
-				vd = (v>>8) & 0xFF;
-				ud = FZ_EXPAND(ud);
-				vd = FZ_EXPAND(vd);
-				/* a = blend(a,b,ud) */
-				a = ((b-a) * ud + (a<<8)) & MASK;
-				/* a = blend(a,a>>16,vd) */
-				a = (((a>>24)-(a>>8)) * vd + a);
-				a = (a>>8) & 0xFF;
-				ca = FZ_COMBINE(FZ_EXPAND(cov),FZ_EXPAND(a));
-				if (ca != 0)
-				{
-					if (ca == 256)
-					{
-						drb = (ga<<8) | rb;
-					}
-					else
-					{
-						dga = drb & MASK;
-						drb = (drb<<8) & MASK;
-						cga = ga - (dga>>8);
-						crb = rb - (drb>>8);
-						dga += cga * ca;
-						drb += crb * ca;
-						dga &= MASK;
-						drb &= MASK;
-						drb = dga | (drb>>8);
-					}
-					dst32[-1] = drb;
-				}
-			}
-			u += fa;
-			v += fb;
-		}
-	}
-}
-
-static void
-img_1o1_32bit(byte * restrict src, byte cov, int len, byte * restrict dst,
-	fz_pixmap *image, int u, int v, int fa, int fb)
-{
-	byte *samples = image->samples;
-	int w = image->w;
-	int h = image->h-1;
-
-	while (len--)
-	{
-		unsigned int a, b;
-		cov += *src; *src = 0; src++;
-		if (cov != 0)
-		{
-			int ui, ui1, vi, vi1, ud, vd;
-			/* sa = samplemask(samples, w, h, u, v); */
-			ui1 = 1;
-			ui = u >> 16;
-			if (ui < 0)
-			{
-				ui = 0;
-				ui1 = 0;
-			}
-			else if (ui >= w-1)
-			{
-				ui = w-1;
-				ui1 = 0;
-			}
-			vi1 = w;
-			vi = v >> 16;
-			if (vi < 0)
-			{
-				vi = 0;
-				vi1 = 0;
-			}
-			else if (vi >= h)
-			{
-				vi = h;
-				vi1 = 0;
-			}
-			ui += vi*w;
-			a = samples[ui];
-			b = samples[ui + ui1];
-			a |= samples[ui + vi1]<<16;
-			b |= samples[ui + ui1 + vi1]<<16;
-			ud = (u>>8) & 0xFF;
-			vd = (v>>8) & 0xFF;
-			ud = FZ_EXPAND(ud);
-			vd = FZ_EXPAND(vd);
-			/* a = blend(a,b,ud) */
-			a = ((b-a) * ud + (a<<8)) & MASK;
-			/* a = blend(a,a>>16,vd) */
-			a = (((a>>24)-(a>>8)) * vd + a);
-			a = (a>>8) & 0xFF;
-			a = FZ_COMBINE(FZ_EXPAND(a), FZ_EXPAND(cov));
-			if (a != 0)
-			{
-				if (a == 256)
-					dst[0] = 255;
-				else
-					dst[0] = FZ_BLEND(255, dst[0], a);
-			}
-		}
-		dst++;
-		u += fa;
-		v += fb;
-	}
-}
-
-#endif
-
-void fz_accelerate(void)
-{
-	if (sizeof(int) == 4 && sizeof(unsigned int) == 4 && !fz_is_big_endian())
-	{
-//		fz_path_w4i1o4 = path_w4i1o4_32bit;
-//		fz_text_w4i1o4 = text_w4i1o4_32bit;
-//		fz_img_4o4 = img_4o4_32bit;
-//		fz_img_w4i1o4 = img_w4i1o4_32bit;
-//		fz_img_1o1 = img_1o1_32bit;
-	}
-
-#ifdef HAVE_CPUDEP
-	fz_accelerate_arch();
-#endif
-}