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authorJacek Antonelli2008-08-15 23:45:34 -0500
committerJacek Antonelli2008-08-15 23:45:34 -0500
commitcd17687f01420952712a500107e0f93e7ab8d5f8 (patch)
treece48c2b706f2c1176290e39fb555fbdf6648ce01 /linden/indra/newview/app_settings/shaders/class3/avatar
parentSecond Life viewer sources 1.19.0.5 (diff)
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Diffstat (limited to 'linden/indra/newview/app_settings/shaders/class3/avatar')
-rw-r--r--linden/indra/newview/app_settings/shaders/class3/avatar/avatarV.glsl112
1 files changed, 47 insertions, 65 deletions
diff --git a/linden/indra/newview/app_settings/shaders/class3/avatar/avatarV.glsl b/linden/indra/newview/app_settings/shaders/class3/avatar/avatarV.glsl
index 2505afe..04c1053 100644
--- a/linden/indra/newview/app_settings/shaders/class3/avatar/avatarV.glsl
+++ b/linden/indra/newview/app_settings/shaders/class3/avatar/avatarV.glsl
@@ -1,10 +1,14 @@
1vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec3 baseCol); 1/**
2mat4 getSkinnedTransform(); 2 * @file avatarV.glsl
3void default_scatter(vec3 viewVec, vec3 lightDir); 3 *
4 * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
5 * $License$
6 */
4 7
5attribute vec4 materialColor; //2 8vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
9mat4 getSkinnedTransform();
10void calcAtmospherics(vec3 inPositionEye);
6 11
7attribute vec4 binormal; //6
8attribute vec4 clothing; //4 12attribute vec4 clothing; //4
9 13
10attribute vec4 gWindDir; //7 14attribute vec4 gWindDir; //7
@@ -27,102 +31,80 @@ void main()
27 norm.z = dot(trans[2].xyz, gl_Normal); 31 norm.z = dot(trans[2].xyz, gl_Normal);
28 norm = normalize(norm); 32 norm = normalize(norm);
29 33
30 vec3 binorm;
31 binorm.x = dot(trans[0].xyz, binormal.xyz);
32 binorm.y = dot(trans[1].xyz, binormal.xyz);
33 binorm.z = dot(trans[2].xyz, binormal.xyz);
34 norm = normalize(norm);
35
36 //wind 34 //wind
37 vec4 windEffect; 35 vec4 windEffect;
38 windEffect = vec4(dot(norm, gWindDir.xyz)); // DP3 windEffect, blendNorm, gWindDir; 36 windEffect = vec4(dot(norm, gWindDir.xyz));
39 pos.x = dot(trans[2].xyz, gl_Vertex.xyz); // DP3 blendPos.x, blendMatZ, iPos; 37 pos.x = dot(trans[2].xyz, gl_Vertex.xyz);
40 windEffect.xyz = pos.x * vec3(0.015, 0.015, 0.015) 38 windEffect.xyz = pos.x * vec3(0.015, 0.015, 0.015)
41 + windEffect.xyz; // MAD windEffect.xyz, blendPos.x, {0.015, 0.015, 0.015, 0}, windEffect; 39 + windEffect.xyz;
42 windEffect.w = windEffect.w * 2.0 + 1.0; // MAD windEffect.w, windEffect, {0, 0, 0, 2}, {0, 0, 0, 1}; # move wind offset value to [-1, 3] 40 windEffect.w = windEffect.w * 2.0 + 1.0; // move wind offset value to [-1, 3]
43 windEffect.w = windEffect.w*gWindDir.w; // MUL windEffect.w, windEffect, gWindDir; # modulate wind strength 41 windEffect.w = windEffect.w*gWindDir.w; // modulate wind strength
44 42
45 windEffect.xyz = windEffect.xyz*gSinWaveParams.xyz 43 windEffect.xyz = windEffect.xyz*gSinWaveParams.xyz
46 +vec3(gSinWaveParams.w); // MAD windEffect.xyz, windEffect, gSinWaveParams, gSinWaveParams.w; # use sin wave params to scale and offset input 44 +vec3(gSinWaveParams.w); // use sin wave params to scale and offset input
47 45
48 46
49 //reduce to period of 2 PI 47 //reduce to period of 2 PI
50 vec4 temp1, temp0, temp2, offsetPos; 48 vec4 temp1, temp0, temp2, offsetPos;
51 temp1.xyz = windEffect.xyz * gPiConstants.x; // MUL temp1.xyz, windEffect, gPiConstants.x; # change input as multiple of [0-2PI] to [0-1] 49 temp1.xyz = windEffect.xyz * gPiConstants.x; // change input as multiple of [0-2PI] to [0-1]
52 temp0.y = mod(temp1.x,1.0); // EXP temp0, temp1.x; # find mod(x, 1) 50 temp0.y = mod(temp1.x,1.0);
53 windEffect.x = temp0.y * gPiConstants.y; // MUL windEffect.x, temp0.y, gPiConstants.y; # scale from [0,1] to [0, 2PI] 51 windEffect.x = temp0.y * gPiConstants.y; // scale from [0,1] to [0, 2PI]
54 temp1.z = temp1.z - gPiConstants.w; // ADD temp1.z, temp1.z, -gPiConstants.w; # shift normal oscillation by PI/2 52 temp1.z = temp1.z - gPiConstants.w; // shift normal oscillation by PI/2
55 temp0.y = mod(temp1.z,1.0); // EXP temp0, temp1.z; # find mod(x, 1) 53 temp0.y = mod(temp1.z,1.0);
56 54
57 windEffect.z = temp0.y * gPiConstants.y; // MUL windEffect.z, temp0.y, gPiConstants.y; # scale from [0,1] to [0, 2PI] 55 windEffect.z = temp0.y * gPiConstants.y; // scale from [0,1] to [0, 2PI]
58 windEffect.xyz = windEffect.xyz + vec3(-3.141592); // # offset to [-PI, PI] 56 windEffect.xyz = windEffect.xyz + vec3(-3.141592); // offset to [-PI, PI]
59 // ADD windEffect.xyz, windEffect, {-3.141592, -3.141592, -3.141592, -3.141592}; 57
60 58
61 //calculate sinusoid 59 //calculate sinusoid
62 vec4 sinWave; 60 vec4 sinWave;
63 temp1 = windEffect*windEffect; // MUL temp1, windEffect, windEffect; # x^2 61 temp1 = windEffect*windEffect;
64 sinWave = -temp1 * gMinMaxConstants.w 62 sinWave = -temp1 * gMinMaxConstants.w
65 + vec4(gMinMaxConstants.z); // MAD sinWave, -temp1, gMinMaxConstants.w, gMinMaxConstants.z; # y = -(x^2)/7! + 1/5! 63 + vec4(gMinMaxConstants.z); // y = -(x^2)/7! + 1/5!
66 sinWave = sinWave * -temp1 + vec4(gMinMaxConstants.y); // MAD sinWave, sinWave, -temp1, gMinMaxConstants.y; # y = -(x^2) * (-(x^2)/7! + 1/5!) + 1/3! 64 sinWave = sinWave * -temp1 + vec4(gMinMaxConstants.y); // y = -(x^2) * (-(x^2)/7! + 1/5!) + 1/3!
67 sinWave = sinWave * -temp1 + vec4(gMinMaxConstants.x); // MAD sinWave, sinWave, -temp1, gMinMaxConstants.x; # y = -(x^2) * (-(x^2) * (-(x^2)/7! + 1/5!) + 1/3!) + 1 65 sinWave = sinWave * -temp1 + vec4(gMinMaxConstants.x); // y = -(x^2) * (-(x^2) * (-(x^2)/7! + 1/5!) + 1/3!) + 1
68 sinWave = sinWave * windEffect; // MUL sinWave, sinWave, windEffect; # y = x * (-(x^2) * (-(x^2) * (-(x^2)/7! + 1/5!) + 1/3!) + 1) 66 sinWave = sinWave * windEffect; // y = x * (-(x^2) * (-(x^2) * (-(x^2)/7! + 1/5!) + 1/3!) + 1)
69 67
70 // sinWave.x holds sin(norm . wind_direction) with primary frequency 68 // sinWave.x holds sin(norm . wind_direction) with primary frequency
71 // sinWave.y holds sin(norm . wind_direction) with secondary frequency 69 // sinWave.y holds sin(norm . wind_direction) with secondary frequency
72 // sinWave.z hold cos(norm . wind_direction) with primary frequency 70 // sinWave.z hold cos(norm . wind_direction) with primary frequency
73 sinWave.xyz = sinWave.xyz * gWindDir.w 71 sinWave.xyz = sinWave.xyz * gWindDir.w
74 + vec3(windEffect.w); // MAD sinWave.xyz, sinWave, gWindDir.w, windEffect.w; # multiply by wind strength in gWindDir.w [-wind, wind] 72 + vec3(windEffect.w); // multiply by wind strength in gWindDir.w [-wind, wind]
75 73
76 // add normal facing bias offset [-wind,wind] -> [-wind - .25, wind + 1] 74 // add normal facing bias offset [-wind,wind] -> [-wind - .25, wind + 1]
77 temp1 = vec4(dot(norm, gGravity.xyz)); // DP3 temp1, blendNorm, gGravity; # how much is this normal facing in direction of gGravity? 75 temp1 = vec4(dot(norm, gGravity.xyz)); // how much is this normal facing in direction of gGravity?
78 temp1 = min(temp1, vec4(0.2,0.0,0.0,0.0)); // MIN temp1, temp1, {0.2, 0, 0, 0}; # clamp [-1, 1] to [-1, 0.2] 76 temp1 = min(temp1, vec4(0.2,0.0,0.0,0.0)); // clamp [-1, 1] to [-1, 0.2]
79 temp1 = temp1*vec4(1.5,0.0,0.0,0.0); // MUL temp1, temp1, {1.5, 0, 0, 0}; # scale from [-1,0.2] to [-1.5, 0.3] 77 temp1 = temp1*vec4(1.5,0.0,0.0,0.0); // scale from [-1,0.2] to [-1.5, 0.3]
80 sinWave.x = sinWave.x + temp1.x; // ADD sinWave.x, sinWave, temp1; # add gGravity effect to sinwave (only primary frequency) 78 sinWave.x = sinWave.x + temp1.x; // add gGravity effect to sinwave (only primary frequency)
81 sinWave.xyz = sinWave.xyz * clothing.w; // MUL sinWave.xyz, sinWave, iClothing.w; # modulate by clothing coverage 79 sinWave.xyz = sinWave.xyz * clothing.w; // modulate by clothing coverage
82 80
83 sinWave.xyz = max(sinWave.xyz, vec3(-1.0, -1.0, -1.0)); // MAX sinWave.xyz, sinWave, {-1, -1, -1, -1}; # clamp to underlying body shape 81 sinWave.xyz = max(sinWave.xyz, vec3(-1.0, -1.0, -1.0)); // clamp to underlying body shape
84 offsetPos = clothing * sinWave.x; // MUL offsetPos, iClothing, sinWave.x; # multiply wind effect times clothing displacement 82 offsetPos = clothing * sinWave.x; // multiply wind effect times clothing displacement
85 temp2 = gWindDir*sinWave.z + vec4(norm,0); // MAD temp2, gWindDir, sinWave.z, blendNorm; # calculate normal offset due to wind oscillation 83 temp2 = gWindDir*sinWave.z + vec4(norm,0); // calculate normal offset due to wind oscillation
86 offsetPos = vec4(1.0,1.0,1.0,0.0)*offsetPos+gl_Vertex; // MAD offsetPos, {1.0, 1.0, 1.0, 0.0}, offsetPos, iPos; # add to offset vertex position, and zero out effect from w 84 offsetPos = vec4(1.0,1.0,1.0,0.0)*offsetPos+gl_Vertex; // add to offset vertex position, and zero out effect from w
87 norm += temp2.xyz*2.0; // MAD blendNorm, temp2, {2, 2, 2, 2}, blendNorm; # add sin wave effect on normals (exaggerated) 85 norm += temp2.xyz*2.0; // add sin wave effect on normals (exaggerated)
88 86
89 //add "backlighting" effect 87 //add "backlighting" effect
90 float colorAcc; 88 float colorAcc;
91 colorAcc = 1.0 - clothing.w; // SUB colorAcc, {1, 1, 1, 1}, iClothing; 89 colorAcc = 1.0 - clothing.w;
92 norm.z -= colorAcc * 0.2; // MAD blendNorm, colorAcc.w, {0, 0, -0.2, 0}, blendNorm; 90 norm.z -= colorAcc * 0.2;
93 91
94 //renormalize normal (again) 92 //renormalize normal (again)
95 norm = normalize(norm); // DP3 divisor.w, blendNorm, blendNorm; 93 norm = normalize(norm);
96 // RSQ divisor.xyz, divisor.w;
97 // MUL blendNorm.xyz, blendNorm, divisor;
98
99 //project binormal to normal plane to ensure orthogonality
100 temp2 = vec4(dot(norm, binorm)); // DP3 temp2, blendNorm, blendBinorm;
101 binorm = binorm - temp2.xyz; // SUB blendBinorm, blendBinorm, temp2;
102
103 //renormalize binormal
104 binorm = normalize(binorm); // DP3 divisor.w, blendBinorm, blendBinorm;
105 // RSQ divisor.xyz, divisor.w;
106 // MUL blendBinorm.xyz, blendBinorm, divisor;
107 94
108 pos.x = dot(trans[0], offsetPos); 95 pos.x = dot(trans[0], offsetPos);
109 pos.y = dot(trans[1], offsetPos); 96 pos.y = dot(trans[1], offsetPos);
110 pos.z = dot(trans[2], offsetPos); 97 pos.z = dot(trans[2], offsetPos);
111 pos.w = 1.0; 98 pos.w = 1.0;
99
100 calcAtmospherics(pos.xyz);
112 101
113 vec4 color = calcLighting(pos.xyz, norm, materialColor, gl_Color.rgb); 102 vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.0));
114 gl_FrontColor = color; 103 gl_FrontColor = color;
115 104
116 gl_Position = gl_ProjectionMatrix * pos; 105 gl_Position = gl_ProjectionMatrix * pos;
117 106
118 vec3 N = norm;
119 vec3 B = binorm;
120 vec3 T = cross(N,B);
121 107
122 //gl_TexCoord[1].xy = gl_MultiTexCoord0.xy + 1.0/512.0 * vec2(dot(T,gl_LightSource[0].position.xyz),
123 // dot(B,gl_LightSource[0].position.xyz));
124
125 gl_TexCoord[2] = vec4(pos.xyz, 1.0); 108 gl_TexCoord[2] = vec4(pos.xyz, 1.0);
126 default_scatter(pos.xyz, gl_LightSource[0].position.xyz); 109
127 110}
128} \ No newline at end of file
generated by cgit v1.1 at 2025-01-31 07:10:27 +0000