GL_ARB_enhanced_layouts, part 4: Numerical side of xfb_*: offset computation, size computation, alias detection, paddings, overflow, implicit strides, gl_Max* checks, etc.
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25014 e7fa87d3-cd2b-0410-9028-fcbf551c1848
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13 changed files with 486 additions and 78 deletions
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@ -185,6 +185,20 @@ typedef TMap<TString, TString>::tAllocator TPragmaTableAllocator;
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const int GlslangMaxTokenLength = 1024;
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// Round number up to a multiple of the given powerOf2, which is not
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// a power, just a number that must be a power of 2.
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template <class T> void RoundToPow2(T& number, int powerOf2)
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{
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assert((powerOf2 & (powerOf2 - 1)) == 0);
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number = (number + powerOf2 - 1) & ~(powerOf2 - 1);
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}
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template <class T> bool IsMultipleOfPow2(T number, int powerOf2)
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{
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assert((powerOf2 & (powerOf2 - 1)) == 0);
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return ! (number & (powerOf2 - 1));
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}
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} // end namespace glslang
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#endif // _COMMON_INCLUDED_
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