29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
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def tesc_levels(tesc):
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tesc.write('if (gl_InvocationID == 0) {')
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tesc.write(' gl_TessLevelInner[0] = tessLevel.x; // inner level')
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tesc.write(' gl_TessLevelInner[1] = tessLevel.x;')
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tesc.write(' gl_TessLevelOuter[0] = tessLevel.y; // outer level')
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tesc.write(' gl_TessLevelOuter[1] = tessLevel.y;')
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tesc.write(' gl_TessLevelOuter[2] = tessLevel.y;')
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tesc.write(' gl_TessLevelOuter[3] = tessLevel.y;')
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tesc.write('}')
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def interpolate(tese, var, size, normalize=False, declare_out=False):
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vec = 'vec{0}'.format(size)
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if declare_out:
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tese.add_out('{0} {1}'.format(vec, var))
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tese.write('{0} {1}_0 = gl_TessCoord.x * tc_{1}[0];'.format(vec, var))
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tese.write('{0} {1}_1 = gl_TessCoord.y * tc_{1}[1];'.format(vec, var))
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tese.write('{0} {1}_2 = gl_TessCoord.z * tc_{1}[2];'.format(vec, var))
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prep = ''
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if not declare_out:
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prep = vec + ' '
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if normalize:
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tese.write('{0}{1} = normalize({1}_0 + {1}_1 + {1}_2);'.format(prep, var))
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else:
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tese.write('{0}{1} = {1}_0 + {1}_1 + {1}_2;'.format(prep, var))
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