33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
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def tesc_levels(tesc, innerLevel, outerLevel):
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tesc.write('if (gl_InvocationID == 0) {')
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tesc.write(' gl_TessLevelInner[0] = {0}; // inner level'.format(innerLevel))
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tesc.write(' gl_TessLevelInner[1] = {0};'.format(innerLevel))
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tesc.write(' gl_TessLevelOuter[0] = {0}; // outer level'.format(outerLevel))
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tesc.write(' gl_TessLevelOuter[1] = {0};'.format(outerLevel))
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tesc.write(' gl_TessLevelOuter[2] = {0};'.format(outerLevel))
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tesc.write(' gl_TessLevelOuter[3] = {0};'.format(outerLevel))
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tesc.write('}')
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def interpolate(tese, var, size, normalize=False, declare_out=False):
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tese.add_include('compiled.inc')
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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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s = '{0} {1}_0 = gl_TessCoord.x * tc_{1}[0];\n'.format(vec, var)
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s += '{0} {1}_1 = gl_TessCoord.y * tc_{1}[1];\n'.format(vec, var)
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s += '{0} {1}_2 = gl_TessCoord.z * tc_{1}[2];\n'.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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s += '{0}{1} = normalize({1}_0 + {1}_1 + {1}_2);\n'.format(prep, var)
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s += 'vec3 n = {0};\n'.format(var)
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else:
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s += '{0}{1} = {1}_0 + {1}_1 + {1}_2;\n'.format(prep, var)
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tese.write_attrib(s)
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