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Add a fragment program for 5x5 unsharp masking 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25786 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2008-01-18 19:05:29 +00:00
parent 932f9595bb
commit 6a6c3d8cbc
3 changed files with 37 additions and 0 deletions
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2
DOCS/man/en/mplayer.1
View File

@ -3657,6 +3657,8 @@ Works on a few more cards than method 1.
Might be faster on some cards.
.br
4: Use experimental unsharp masking with 3x3 support and a strength of 0.5.
.br
5: Use experimental unsharp masking with 5x5 support and a strength of 0.5.
.RE
.IPs cscale=<n>
Select the scaling function to use for chrominance scaling.

34
libvo/gl_common.c
View File

@ -770,6 +770,30 @@ static const char *unsharp_filt_template =
"SUB b.r, a.r, b.r;"
"MAD yuv.%c, b.r, %s, a.r;";
static const char *unsharp_filt_template2 =
"PARAM dcoord = {%f, %f, %f, %f};"
"PARAM dcoord2 = {%f, 0, 0, %f};"
"ADD coord, fragment.texcoord[%c].xyxy, dcoord;"
"SUB coord2, fragment.texcoord[%c].xyxy, dcoord;"
"TEX a.r, fragment.texcoord[%c], texture[%c], %s;"
"TEX b.r, coord.xyxy, texture[%c], %s;"
"TEX b.g, coord.zwzw, texture[%c], %s;"
"ADD b.r, b.r, b.g;"
"TEX b.b, coord2.xyxy, texture[%c], %s;"
"TEX b.g, coord2.zwzw, texture[%c], %s;"
"ADD b.r, b.r, b.b;"
"ADD b.a, b.r, b.g;"
"ADD coord, fragment.texcoord[%c].xyxy, dcoord2;"
"SUB coord2, fragment.texcoord[%c].xyxy, dcoord2;"
"TEX b.r, coord.xyxy, texture[%c], %s;"
"TEX b.g, coord.zwzw, texture[%c], %s;"
"ADD b.r, b.r, b.g;"
"TEX b.b, coord2.xyxy, texture[%c], %s;"
"TEX b.g, coord2.zwzw, texture[%c], %s;"
"DP4 b.r, b, {-0.1171875, -0.1171875, -0.1171875, -0.01953125};"
"MAD b.r, a.r, {0.859375}, b.r;"
"MAD yuv.%c, b.r, %s, a.r;";
static const char *yuv_prog_template =
"PARAM ycoef = {%.4f, %.4f, %.4f};"
"PARAM ucoef = {%.4f, %.4f, %.4f};"
@ -827,6 +851,7 @@ static void create_scaler_textures(int scaler, int *texu, char *texs) {
case YUV_SCALER_BILIN:
case YUV_SCALER_BICUB_NOTEX:
case YUV_SCALER_UNSHARP:
case YUV_SCALER_UNSHARP2:
break;
case YUV_SCALER_BICUB:
case YUV_SCALER_BICUB_X:
@ -1055,6 +1080,15 @@ static void add_scaler(int scaler, char **prog_pos, int *remain, char *texs,
in_tex, ttype, in_tex, ttype, in_tex, ttype, in_tex, ttype,
in_tex, ttype, out_comp, "{0.5}");
break;
case YUV_SCALER_UNSHARP2:
snprintf(*prog_pos, *remain, unsharp_filt_template2,
1.2 * ptw, 1.2 * pth, 1.2 * ptw, -1.2 * pth,
1.5 * ptw, 1.5 * pth,
in_tex, in_tex, in_tex,
in_tex, ttype, in_tex, ttype, in_tex, ttype, in_tex, ttype,
in_tex, ttype, in_tex, in_tex, in_tex, ttype, in_tex, ttype, in_tex, ttype,
in_tex, ttype, out_comp, "{0.5}");
break;
}
*remain -= strlen(*prog_pos);
*prog_pos += strlen(*prog_pos);

1
libvo/gl_common.h
View File

@ -244,6 +244,7 @@ int loadGPUProgram(GLenum target, char *prog);
//! use cubic scaling without additional lookup texture
#define YUV_SCALER_BICUB_NOTEX 3
#define YUV_SCALER_UNSHARP 4
#define YUV_SCALER_UNSHARP2 5
//! mask for conversion type
#define YUV_CONVERSION_MASK 0xF
//! mask for scaler type