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Optimize bicubic filtering 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18689 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2006-06-12 16:25:05 +00:00
parent 4da7abe515
commit 747dac29a9
1 changed files with 9 additions and 11 deletions
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20
libvo/gl_common.c
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@ -651,17 +651,13 @@ static const char *bilin_filt_template =
#define BICUB_FILT_MAIN(textype) \
/* first y-interpolation */ \
"SUB coord.xy, fragment.texcoord[%c], parmx.rara;" \
"SUB coord.zw, coord.xyxy, parmy.arar;" \
"TEX a.r, coord.zwzw, texture[%c], "textype";" \
"ADD coord.zw, coord.xyxy, parmy.agag;" \
"ADD coord, fragment.texcoord[%c].xyxy, cdelta.xyxw;" \
"TEX a.r, coord.xyxy, texture[%c], "textype";" \
"TEX a.g, coord.zwzw, texture[%c], "textype";" \
"LRP a.b, parmy.b, a.rrrr, a.gggg;" \
/* second y-interpolation */ \
"ADD coord.xy, fragment.texcoord[%c], parmx.gaga;" \
"SUB coord.zw, coord.xyxy, parmy.arar;" \
"TEX a.r, coord.zwzw, texture[%c], "textype";" \
"ADD coord.zw, coord.xyxy, parmy.agag;" \
"ADD coord, fragment.texcoord[%c].xyxy, cdelta.zyzw;" \
"TEX a.r, coord.xyxy, texture[%c], "textype";" \
"TEX a.g, coord.zwzw, texture[%c], "textype";" \
"LRP a.a, parmy.b, a.rrrr, a.gggg;" \
/* x-interpolation */ \
@ -670,15 +666,17 @@ static const char *bilin_filt_template =
static const char *bicub_filt_template_2D =
"MAD coord.xy, fragment.texcoord[%c], {%f, %f}, {0.5, 0.5};"
"TEX parmx, coord.x, texture[%c], 1D;"
"MUL parmx.rg, parmx, {%f, %f};"
"MUL cdelta.xz, parmx.rrgg, {-%f, 0, %f, 0};"
"TEX parmy, coord.y, texture[%c], 1D;"
"MUL parmy.rg, parmy, {%f, %f};"
"MUL cdelta.yw, parmy.rrgg, {0, -%f, 0, %f};"
BICUB_FILT_MAIN("2D");
static const char *bicub_filt_template_RECT =
"ADD coord, fragment.texcoord[%c], {0.5, 0.5};"
"TEX parmx, coord.x, texture[%c], 1D;"
"MUL cdelta.xz, parmx.rrgg, {-1, 0, 1, 0};"
"TEX parmy, coord.y, texture[%c], 1D;"
"MUL cdelta.yw, parmy.rrgg, {0, -1, 0, 1};"
BICUB_FILT_MAIN("RECT");
static const char *yuv_prog_template =
@ -932,7 +930,7 @@ static void glSetupYUVFragprog(float brightness, float contrast,
"OPTION ARB_precision_hint_fastest;"
// all scaler variables must go here so they aren't defined
// multiple times when the same scaler is used more than once
"TEMP coord, parmx, parmy, a, yuv;";
"TEMP coord, cdelta, parmx, parmy, a, yuv;";
int prog_remain = sizeof(yuv_prog) - strlen(yuv_prog);
char *prog_pos = &yuv_prog[strlen(yuv_prog)];
int cur_texu = 3;