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-rw-r--r--src/libs/graphics/sdl/2xscalers_mmx.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/src/libs/graphics/sdl/2xscalers_mmx.c b/src/libs/graphics/sdl/2xscalers_mmx.c
new file mode 100644
index 0000000..c321b16
--- /dev/null
+++ b/src/libs/graphics/sdl/2xscalers_mmx.c
@@ -0,0 +1,136 @@
+/*
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "port.h"
+#include "libs/platform.h"
+
+#if defined(MMX_ASM)
+
+#include "libs/graphics/sdl/sdl_common.h"
+#include "types.h"
+#include "scalers.h"
+#include "scaleint.h"
+#include "2xscalers.h"
+#include "2xscalers_mmx.h"
+
+// MMX name for all functions
+#undef SCALE_
+#define SCALE_(name) Scale ## _MMX_ ## name
+
+// Tell them which opcodes we want to support
+#undef USE_MOVNTQ
+#undef USE_PREFETCH
+#undef USE_PSADBW
+// And Bring in inline asm functions
+#include "scalemmx.h"
+
+
+// Scaler function lookup table
+//
+const Scale_FuncDef_t
+Scale_MMX_Functions[] =
+{
+ {TFB_GFXFLAGS_SCALE_BILINEAR, Scale_MMX_BilinearFilter},
+ {TFB_GFXFLAGS_SCALE_BIADAPT, Scale_BiAdaptFilter},
+ {TFB_GFXFLAGS_SCALE_BIADAPTADV, Scale_MMX_BiAdaptAdvFilter},
+ {TFB_GFXFLAGS_SCALE_TRISCAN, Scale_MMX_TriScanFilter},
+ {TFB_GFXFLAGS_SCALE_HQXX, Scale_MMX_HqFilter},
+ // Default
+ {0, Scale_MMX_Nearest}
+};
+
+// MMX transformation multipliers
+Uint64 mmx_888to555_mult;
+Uint64 mmx_Y_mult;
+Uint64 mmx_U_mult;
+Uint64 mmx_V_mult;
+// Uint64 mmx_YUV_threshold = 0x00300706; original hq2x threshold
+//Uint64 mmx_YUV_threshold = 0x0030100e;
+Uint64 mmx_YUV_threshold = 0x0040120c;
+
+void
+Scale_MMX_PrepPlatform (const SDL_PixelFormat* fmt)
+{
+ // prepare the channel-shuffle multiplier
+ mmx_888to555_mult = ((Uint64)0x0400) << (fmt->Rshift * 2)
+ | ((Uint64)0x0020) << (fmt->Gshift * 2)
+ | ((Uint64)0x0001) << (fmt->Bshift * 2);
+
+ // prepare the RGB->YUV multipliers
+ mmx_Y_mult = ((Uint64)(uint16)YUV_matrix[YUV_XFORM_R][YUV_XFORM_Y])
+ << (fmt->Rshift * 2)
+ | ((Uint64)(uint16)YUV_matrix[YUV_XFORM_G][YUV_XFORM_Y])
+ << (fmt->Gshift * 2)
+ | ((Uint64)(uint16)YUV_matrix[YUV_XFORM_B][YUV_XFORM_Y])
+ << (fmt->Bshift * 2);
+
+ mmx_U_mult = ((Uint64)(uint16)YUV_matrix[YUV_XFORM_R][YUV_XFORM_U])
+ << (fmt->Rshift * 2)
+ | ((Uint64)(uint16)YUV_matrix[YUV_XFORM_G][YUV_XFORM_U])
+ << (fmt->Gshift * 2)
+ | ((Uint64)(uint16)YUV_matrix[YUV_XFORM_B][YUV_XFORM_U])
+ << (fmt->Bshift * 2);
+
+ mmx_V_mult = ((Uint64)(uint16)YUV_matrix[YUV_XFORM_R][YUV_XFORM_V])
+ << (fmt->Rshift * 2)
+ | ((Uint64)(uint16)YUV_matrix[YUV_XFORM_G][YUV_XFORM_V])
+ << (fmt->Gshift * 2)
+ | ((Uint64)(uint16)YUV_matrix[YUV_XFORM_B][YUV_XFORM_V])
+ << (fmt->Bshift * 2);
+
+ mmx_YUV_threshold = (SCALE_DIFFYUV_TY << 16) | (SCALE_DIFFYUV_TU << 8)
+ | SCALE_DIFFYUV_TV;
+}
+
+
+// Nearest Neighbor scaling to 2x
+// void Scale_MMX_Nearest (SDL_Surface *src,
+// SDL_Surface *dst, SDL_Rect *r)
+
+#include "nearest2x.c"
+
+
+// Bilinear scaling to 2x
+// void Scale_MMX_BilinearFilter (SDL_Surface *src,
+// SDL_Surface *dst, SDL_Rect *r)
+
+#include "bilinear2x.c"
+
+
+// Advanced Biadapt scaling to 2x
+// void Scale_MMX_BiAdaptAdvFilter (SDL_Surface *src,
+// SDL_Surface *dst, SDL_Rect *r)
+
+#include "biadv2x.c"
+
+
+// Triscan scaling to 2x
+// derivative of 'scale2x' -- scale2x.sf.net
+// void Scale_MMX_TriScanFilter (SDL_Surface *src,
+// SDL_Surface *dst, SDL_Rect *r)
+
+#include "triscan2x.c"
+
+// Hq2x scaling
+// (adapted from 'hq2x' by Maxim Stepin -- www.hiend3d.com/hq2x.html)
+// void Scale_MMX_HqFilter (SDL_Surface *src,
+// SDL_Surface *dst, SDL_Rect *r)
+
+#include "hq2x.c"
+
+
+#endif /* MMX_ASM */
+