05-14-2012, 07:43 PM
I being testing FXAA with my ATi Cards and looks promising.
This is FXAA Code, no idea how to implant it.
This is FXAA Code, no idea how to implant it.
Code:
!!ARBvp1.0
OPTION ARB_position_invariant;
# input:
#--------------------------------
# texcoord[0] = TEX0 texcoords
#
# local[0] = sample offset scale
# local[1] = filter offset scale
PARAM Scale = { 0.16666667, 0.16666667, 0.25, 0.5 };
MOV result.texcoord[0], vertex.texcoord[0];
MUL result.texcoord[1], program.local[0], Scale.w;
MUL result.texcoord[2], program.local[1], Scale.xyzz;
END
#=====================================================================================
!!ARBfp1.0
OPTION ARB_precision_hint_nicest;
# texture 0 = _currentRender
#
# env[0] = 1.0 to _currentRender conversion
# env[1] = fragment.position to 0.0 - 1.0 conversion
OUTPUT oColor = result.color;
ATTRIB fPos = fragment.position;
ATTRIB TC = fragment.texcoord[0];
ATTRIB sScale = fragment.texcoord[1];
ATTRIB fScale = fragment.texcoord[2];
PARAM nonPoT = program.env[0];
PARAM invRes = program.env[1];
# sample offsets
PARAM off1 = { -1.0, 1.0, 1.0, 1.0 };
PARAM off2 = { -1.0, -1.0, 1.0, -1.0 };
PARAM lumVec = { 0.212671, 0.715160, 0.072169 };
PARAM vecX = { -1.0, -1.0, 1.0, 1.0 };
PARAM vecY = { 1.0, -1.0, 1.0, -1.0 };
PARAM EDGE_SHARPNESS = 0.03125;
PARAM MAX_OFFSET = 8.0;
TEMP uv, invres, color, scale, vec, lum, lumMinMax;
TEMP R0, R1, R2, R3, R4;
TEMP T0, T1, T2, T3, T4;
# calculate the non-power-of-two inverse resolution
MUL invres, invRes.xyxy, nonPoT.xyxy;
# calculate the screen texcoord in the 0.0 to 1.0 range
MUL uv, fPos.xyxy, invres.xyxy;
MUL scale, sScale, invres;
MAD_SAT R1, off1, scale, uv; # top / bottom
MAD_SAT R2, off2, scale, uv; # left / right
TEX T0, uv.xyxy, texture[0], 2D;
TEX T1, R1.xyxy, texture[0], 2D;
TEX T2, R1.zwzw, texture[0], 2D;
TEX T3, R2.xyxy, texture[0], 2D;
TEX T4, R2.zwzw, texture[0], 2D;
DP3 T0.w, T0, lumVec;
DP3 lum.x, T1, lumVec;
DP3 lum.y, T2, lumVec;
DP3 lum.z, T3, lumVec;
DP3 lum.w, T4, lumVec;
MIN lumMinMax.xy, lum.xzxz, lum.ywyw;
MIN lumMinMax.x, lumMinMax.x, lumMinMax.y;
MIN lumMinMax.x, lumMinMax.x, T0.w;
MAX lumMinMax.zw, lum.xzxz, lum.ywyw;
MAX lumMinMax.y, lumMinMax.z, lumMinMax.w;
MAX lumMinMax.y, lumMinMax.y, T0.w;
ADD R1, lum.xzxy, lum.ywzw;
ADD vec, R1.xzxz, -R1.ywyw;
ABS vec.zw, vec.xyxy;
DP4 R1.w, lum, 1.0;
MUL R1.w, R1, EDGE_SHARPNESS;
MIN R1.x, vec.z, vec.w;
ADD R1.x, R1.x, R1.w;
RCP R1.x, R1.x;
MUL vec, vec, R1.x;
MAX vec, vec, -MAX_OFFSET;
MIN vec, vec, MAX_OFFSET;
MUL vec, vec, invres;
MAD_SAT R1, vec.xyxy, fScale.xxyy, uv;
MAD_SAT R2, vec.xyxy, fScale.zzww, uv;
# TEX T0, uv.xyxy, texture[0], 2D;
TEX T1, R1.xyxy, texture[0], 2D;
TEX T2, R1.zwzw, texture[0], 2D;
TEX T3, R2.xyxy, texture[0], 2D;
TEX T4, R2.zwzw, texture[0], 2D;
ADD R1, T1, T2;
MUL R1, R1, 0.5;
ADD R2, T3, T4;
MUL R2, R2, 0.25;
MAD R2, R1, 0.5, R2;
DP3 R2.w, R2, lumVec;
SLT R3.x, R2.w, lumMinMax.x;
SLT R3.y, lumMinMax.y, R2.w;
ADD R3.x, R3.x, R3.y;
CMP color, -R3.x, R1, R2;
MOV oColor.xyz, color;
# for visualizing the vector
# MAD oColor, vec, 0.5, 0.5;
# MOV oColor, vec;
# MOV oColor.z, 0;
END