e85d191b46
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
111 lines
2.7 KiB
GLSL
111 lines
2.7 KiB
GLSL
!!ARBfp1.0
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# Based on an algorithm described by Francois Grieu, sci.crypt, 5th February 2004
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#ATTRIB tex0 = fragment.texcoord[0];
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ATTRIB tex0 = fragment.position;
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ATTRIB col = fragment.color;
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#PARAM bounds = program.local[1];
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#PARAM seed = program.local[2];
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PARAM bounds = 10.0;
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PARAM seed = 1234;
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PARAM coordsOffset = { -100, 100, 0, 0 };
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PARAM cMult = 0.0001002707309736288;
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PARAM aSubtract = 0.2727272727272727;
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PARAM coordMult0 = { 0.67676, 0.000058758, 0, 0 };
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PARAM coordMult1 = { 0.0000696596, 0.797976, 0, 0 };
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PARAM coordMult2 = { 0.587976, 0.0000233443, 0, 0 };
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TEMP tableCoord, a, b, c, floorA, seedCoords, res;
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ADD seedCoords, tex0, coordsOffset;
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# gFastRngA = (((currentX*multX)/(currentY*multY))+
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MUL tableCoord, seedCoords, coordMult0;
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RCP tableCoord.y, tableCoord.y;
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MUL a.x, tableCoord.x, tableCoord.y;
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# (((height-currentY)*multX2)/((width-currentX)*multY2))+
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SUB tableCoord, bounds, seedCoords;
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MUL tableCoord, tableCoord, coordMult1;
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RCP tableCoord.x, tableCoord.x;
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MAD a.x, tableCoord.x, tableCoord.y, a.x;
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# (((height-currentX)*multX3)/((width-currentY)*multY3)));
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SUB tableCoord.x, bounds.y, seedCoords.x;
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SUB tableCoord.y, bounds.x, seedCoords.y;
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MUL tableCoord, tableCoord, coordMult2;
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RCP tableCoord.y, tableCoord.y;
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MAD a.x, tableCoord.x, tableCoord.y, a.x;
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# gFastRngA = fmod(gFastRngA,1);
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FRC a.x, a.x;
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ADD a.x, a.x, seed;
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MOV c.x, 0;
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MOV b.x, 0;
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# (gFastRngA += gFastRngC*(1./9973)+(3./11)-floor(gFastRngA))
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FRC floorA.x, a.x;
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SUB floorA.x, a.x, floorA.x;
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SUB floorA.x, aSubtract.x, floorA.x;
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ADD floorA.x, floorA.x, a.x;
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MAD a.x, c.x, cMult.x, floorA.x;
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# (gFastRngB += (gFastRngA *= gFastRngA))
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MUL a.x, a.x, a.x;
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ADD b.x, b.x, a.x;
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# (gFastRngC += (gFastRngB -= floor(gFastRngB)))
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FRC b.x, b.x;
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ADD c.x, c.x, b.x;
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# (gFastRngC -= floor(gFastRngC))
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FRC c.x, c.x;
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# (gFastRngA += gFastRngC*(1./9973)+(3./11)-floor(gFastRngA))
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FRC floorA.x, a.x;
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SUB floorA.x, a.x, floorA.x;
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SUB floorA.x, aSubtract.x, floorA.x;
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ADD floorA.x, floorA.x, a.x;
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MAD a.x, c.x, cMult.x, floorA.x;
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# (gFastRngB += (gFastRngA *= gFastRngA))
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MUL a.x, a.x, a.x;
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ADD b.x, b.x, a.x;
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# (gFastRngC += (gFastRngB -= floor(gFastRngB)))
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FRC b.x, b.x;
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ADD c.x, c.x, b.x;
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# (gFastRngC -= floor(gFastRngC))
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FRC c.x, c.x;
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# (gFastRngA += gFastRngC*(1./9973)+(3./11)-floor(gFastRngA))
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FRC floorA.x, a.x;
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SUB floorA.x, a.x, floorA.x;
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SUB floorA.x, aSubtract.x, floorA.x;
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ADD floorA.x, floorA.x, a.x;
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MAD a.x, c.x, cMult.x, floorA.x;
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# (gFastRngB += (gFastRngA *= gFastRngA))
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MUL a.x, a.x, a.x;
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ADD b.x, b.x, a.x;
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# (gFastRngC += (gFastRngB -= floor(gFastRngB)))
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FRC b.x, b.x;
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ADD c.x, c.x, b.x;
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# (gFastRngC -= floor(gFastRngC))
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FRC c.x, c.x;
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MOV res, c.x;
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MOV res.a, 1;
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MUL res, res, -0.5;
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ADD res, res, col;
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MOV result.color, res;
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END
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