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Commit 8c6befc2 by Jamie Madill Committed by Shannon Woods
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Add two utility matrix functions.

The first returns the number of components in a matrix column/row, and the second the number of columns/rows in matrix uniforms. TRAC #23083 Signed-off-by: Nicolas Capens Signed-off-by: Shannon Woods Authored-by: Jamie Madill
parent 1566ef70
Showing with 14 additions and 0 deletions
src/common/utilities.cpp
...@@ -270,6 +270,18 @@ GLenum TransposeMatrixType(GLenum type) ...@@ -270,6 +270,18 @@ GLenum TransposeMatrixType(GLenum type)
} }
} }
int MatrixRegisterCount(GLenum type, bool isRowMajorMatrix)
{
ASSERT(IsMatrixType(type));
return isRowMajorMatrix ? VariableRowCount(type) : VariableColumnCount(type);
}
int MatrixComponentCount(GLenum type, bool isRowMajorMatrix)
{
ASSERT(IsMatrixType(type));
return isRowMajorMatrix ? VariableColumnCount(type) : VariableRowCount(type);
}
int AttributeRegisterCount(GLenum type) int AttributeRegisterCount(GLenum type)
{ {
return IsMatrixType(type) ? VariableColumnCount(type) : 1; return IsMatrixType(type) ? VariableColumnCount(type) : 1;
......
src/common/utilities.h
...@@ -33,6 +33,8 @@ int VariableColumnCount(GLenum type); ...@@ -33,6 +33,8 @@ int VariableColumnCount(GLenum type);
bool IsMatrixType(GLenum type); bool IsMatrixType(GLenum type);
GLenum TransposeMatrixType(GLenum type); GLenum TransposeMatrixType(GLenum type);
int AttributeRegisterCount(GLenum type); int AttributeRegisterCount(GLenum type);
int MatrixRegisterCount(GLenum type, bool isRowMajorMatrix);
int MatrixComponentCount(GLenum type, bool isRowMajorMatrix);
int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize); int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);
......
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