+/***************************************************************************
+* Copyright (C) 2010 PCSX4ALL Team *
+* Copyright (C) 2010 Unai *
+* *
+* This program is free software; you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation; either version 2 of the License, or *
+* (at your option) any later version. *
+* *
+* This program is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with this program; if not, write to the *
+* Free Software Foundation, Inc., *
+* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
+***************************************************************************/
+
+#ifndef _OP_BLEND_H_
+#define _OP_BLEND_H_
+
+// GPU Blending operations functions
+
+#ifdef __arm__
+#define gpuBlending00(uSrc,uDst) \
+{ \
+ asm ("and %[src], %[src], %[msk] " : [src] "=r" (uSrc) : "0" (uSrc), [msk] "r" (uMsk) ); \
+ asm ("and %[dst], %[dst], %[msk] " : [dst] "=r" (uDst) : "0" (uDst), [msk] "r" (uMsk) ); \
+ asm ("add %[src], %[dst], %[src] " : [src] "=r" (uSrc) : [dst] "r" (uDst), "0" (uSrc) ); \
+ asm ("mov %[src], %[src], lsr #1 " : [src] "=r" (uSrc) : "0" (uSrc) ); \
+}
+#else
+#define gpuBlending00(uSrc,uDst) \
+{ \
+ uSrc = (((uDst & uMsk) + (uSrc & uMsk)) >> 1); \
+}
+#endif
+
+// 1.0 x Back + 1.0 x Forward
+#ifdef __arm__
+#define gpuBlending01(uSrc,uDst) \
+{ \
+ u16 st,dt,out; \
+ asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x7C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("add %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) ); \
+ asm ("cmp %[out], #0x7C00 " : : [out] "r" (out) : "cc" ); \
+ asm ("movhi %[out], #0x7C00 " : [out] "=r" (out) : "0" (out) ); \
+ asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x03E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \
+ asm ("cmp %[dt], #0x03E0 " : : [dt] "r" (dt) : "cc" ); \
+ asm ("movhi %[dt], #0x03E0 " : [dt] "=r" (dt) : "0" (dt) ); \
+ asm ("orr %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \
+ asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x001F " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \
+ asm ("cmp %[dt], #0x001F " : : [dt] "r" (dt) : "cc" ); \
+ asm ("movhi %[dt], #0x001F " : [dt] "=r" (dt) : "0" (dt) ); \
+ asm ("orr %[uSrc], %[out], %[dt] " : [uSrc] "=r" (uSrc) : [out] "r" (out), [dt] "r" (dt) ); \
+}
+#else
+#define gpuBlending01(uSrc,uDst) \
+{ \
+ u16 rr, gg, bb; \
+ bb = (uDst & 0x7C00) + (uSrc & 0x7C00); if (bb > 0x7C00) bb = 0x7C00; \
+ gg = (uDst & 0x03E0) + (uSrc & 0x03E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \
+ rr = (uDst & 0x001F) + (uSrc & 0x001F); if (rr > 0x001F) rr = 0x001F; bb |= rr; \
+ uSrc = bb; \
+}
+#endif
+
+// 1.0 x Back - 1.0 x Forward */
+#ifdef __arm__
+#define gpuBlending02(uSrc,uDst) \
+{ \
+ u16 st,dt,out; \
+ asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x7C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("subs %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) : "cc" ); \
+ asm ("movmi %[out], #0x0000 " : [out] "=r" (out) : "0" (out) ); \
+ asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x03E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("subs %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) : "cc" ); \
+ asm ("orrpl %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \
+ asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x001F " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("subs %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) : "cc" ); \
+ asm ("orrpl %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \
+ asm ("mov %[uSrc], %[out]" : [uSrc] "=r" (uSrc) : [out] "r" (out) ); \
+}
+#else
+#define gpuBlending02(uSrc,uDst) \
+{ \
+ s32 rr, gg, bb; \
+ bb = (uDst & 0x7C00) - (uSrc & 0x7C00); if (bb < 0) bb = 0; \
+ gg = (uDst & 0x03E0) - (uSrc & 0x03E0); if (gg > 0) bb |= gg; \
+ rr = (uDst & 0x001F) - (uSrc & 0x001F); if (rr > 0) bb |= rr; \
+ uSrc = bb; \
+}
+#endif
+
+// 1.0 x Back + 0.25 x Forward */
+#ifdef __arm__
+#define gpuBlending03(uSrc,uDst) \
+{ \
+ u16 st,dt,out; \
+ asm ("mov %[src], %[src], lsr #2 " : [src] "=r" (uSrc) : "0" (uSrc) ); \
+ asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x1C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("add %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) ); \
+ asm ("cmp %[out], #0x7C00 " : : [out] "r" (out) : "cc" ); \
+ asm ("movhi %[out], #0x7C00 " : [out] "=r" (out) : "0" (out) ); \
+ asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x00E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \
+ asm ("cmp %[dt], #0x03E0 " : : [dt] "r" (dt) : "cc" ); \
+ asm ("movhi %[dt], #0x03E0 " : [dt] "=r" (dt) : "0" (dt) ); \
+ asm ("orr %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \
+ asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \
+ asm ("and %[st], %[src], #0x0007 " : [st] "=r" (st) : [src] "r" (uSrc) ); \
+ asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \
+ asm ("cmp %[dt], #0x001F " : : [dt] "r" (dt) : "cc" ); \
+ asm ("movhi %[dt], #0x001F " : [dt] "=r" (dt) : "0" (dt) ); \
+ asm ("orr %[uSrc], %[out], %[dt] " : [uSrc] "=r" (uSrc) : [out] "r" (out), [dt] "r" (dt) ); \
+}
+#else
+#define gpuBlending03(uSrc,uDst) \
+{ \
+ u16 rr, gg, bb; \
+ uSrc >>= 2; \
+ bb = (uDst & 0x7C00) + (uSrc & 0x1C00); if (bb > 0x7C00) bb = 0x7C00; \
+ gg = (uDst & 0x03E0) + (uSrc & 0x00E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \
+ rr = (uDst & 0x001F) + (uSrc & 0x0007); if (rr > 0x001F) rr = 0x001F; bb |= rr; \
+ uSrc = bb; \
+}
+#endif
+
+#endif //_OP_BLEND_H_
notaz.gp2x.de / pcsx_rearmed.git / blobdiff