diff options
Diffstat (limited to 'testsuite/gna/issue476/repro/pixel_matrix_pkg.vhd')
-rw-r--r-- | testsuite/gna/issue476/repro/pixel_matrix_pkg.vhd | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/testsuite/gna/issue476/repro/pixel_matrix_pkg.vhd b/testsuite/gna/issue476/repro/pixel_matrix_pkg.vhd new file mode 100644 index 000000000..69478a68f --- /dev/null +++ b/testsuite/gna/issue476/repro/pixel_matrix_pkg.vhd @@ -0,0 +1,37 @@ +library ieee; +use ieee.std_logic_1164.all; +use ieee.numeric_std.all; + +use work.pixel_column_pkg; + +package pixel_matrix_pkg is + generic( + NBITS : natural; + NBR_OF_CHROMA : natural; + NBR_OF_ROW : natural; + NBR_OF_COL : natural; + package local_pixel_column_pkg is new pixel_column_pkg generic map (<>) + ); + use local_pixel_column_pkg.all; + + type TYPE_PIXEL_MATRIX is array (NBR_OF_COL-1 downto 0) of TYPE_PIXEL_COLUMN; + -- Note: this pkgs is used to propagate the functions that where defined for a (N x 1) array of pixel + -- to a (N x M) array of pixel + + function std_logic_vector_to_pixel_matrix( in_vector : in std_logic_vector(NBR_OF_COL*NBR_OF_ROW*NBR_OF_CHROMA*NBITS-1 downto 0)) + return TYPE_PIXEL_MATRIX; +end package pixel_matrix_pkg; + +package body pixel_matrix_pkg is + + function std_logic_vector_to_pixel_matrix( in_vector : in std_logic_vector(NBR_OF_COL*NBR_OF_ROW*NBR_OF_CHROMA*NBITS-1 downto 0)) + return TYPE_PIXEL_MATRIX is + variable pixel_matrix : TYPE_PIXEL_MATRIX; + begin + for col in 0 to NBR_OF_COL-1 loop + pixel_matrix(col) := std_logic_vector_to_pixel_column(in_vector((col+1)*NBR_OF_ROW*NBR_OF_CHROMA*NBITS-1 downto col*NBR_OF_ROW*NBR_OF_CHROMA*NBITS)); + end loop; + return pixel_matrix; + end function std_logic_vector_to_pixel_matrix; +end package body pixel_matrix_pkg; + |