URL
https://opencores.org/ocsvn/jart/jart/trunk
Subversion Repositories jart
Compare Revisions
- This comparison shows the changes necessary to convert path
/jart/branches
- from Rev 46 to Rev 47
- ↔ Reverse comparison
Rev 46 → Rev 47
/ver0branch/floor0Row.vhd
0,0 → 1,107
-- Author : Julian Andres Guarin Reyes. |
-- Project : JART, Just Another Ray Tracer. |
-- email : jguarin2002 at gmail.com, j.guarin at javeriana.edu.co |
|
-- This code was entirely written by Julian Andres Guarin Reyes. |
-- The following code is licensed under GNU Public License |
-- http://www.gnu.org/licenses/gpl-3.0.txt. |
|
-- This file is part of JART (Just Another Ray Tracer). |
|
-- JART (Just Another Ray Tracer) is free software: you can redistribute it and/or modify |
-- it under the terms of the GNU General Public License as published by |
-- the Free Software Foundation, either version 3 of the License, or |
-- (at your option) any later version. |
|
-- JART (Just Another Ray Tracer) is distributed in the hope that it will be useful, |
-- but WITHOUT ANY WARRANTY; without even the implied warranty of |
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
-- GNU General Public License for more details. |
|
-- You should have received a copy of the GNU General Public License |
-- along with JART (Just Another Ray Tracer). If not, see <http://www.gnu.org/licenses/>. |
|
|
-- This file is an instantiation of a dot cells row. The number of dot cells used is parameterizable. |
library ieee; |
use ieee.std_logic_1164.all; |
use work.powerGrid.all; |
|
|
entity floor0Row is |
generic ( |
nlw : integer := 32; -- Next Level Width (V.D width) |
viw : integer := 18; -- Vector input Width |
col : integer := 4; -- Number of Colums |
); |
port ( -- Input Control Signal |
clk, rst, nxtRay : in std_logic; |
-- Clk, Rst, the usual control signals. |
-- enabled, the machine is running when this input is set. |
-- enabled, all the counters begin again. |
nxtSphere : in std_logic_vector (col-1 downto 0); |
|
|
-- Input Values |
iRayx: in std_logic_vector (viw - 1 downto 0); |
iRayy: in std_logic_vector (viw - 1 downto 0); |
iRayz: in std_logic_vector (viw - 1 downto 0); -- The ray input vector. |
iSphrCenterx: in std_logic_vector (col*viw - 1 downto 0); -- The spheres positions (sphere centers) input vectors. |
iSphrCentery: in std_logic_vector (col*viw - 1 downto 0); -- The spheres positions (sphere centers) input vectors. |
iSphrCenterz: in std_logic_vector (col*viw - 1 downto 0); -- The spheres positions (sphere centers) input vectors. |
oSphrCenterx: out std_logic_vector (col*viw - 1 downto 0); -- The spheres positions (sphere centers) input vectors. |
oSphrCentery: out std_logic_vector (col*viw - 1 downto 0); -- The spheres positions (sphere centers) input vectors. |
oSphrCenterz: out std_logic_vector (col*viw - 1 downto 0); -- The spheres positions (sphere centers) input vectors. |
|
-- Output Values |
oRayx: out std_logic_vector (viw - 1 downto 0);-- The ray output vector. |
oRayy: out std_logic_vector (viw - 1 downto 0);-- The ray output vector. |
oRayz: out std_logic_vector (viw - 1 downto 0);-- The ray output vector. |
vdOutput : out std_logic_vector (nlw*col - 1 downto 0) -- The dot product emerging from each dot prod cell. |
); |
end entity; |
|
architecture rtl of floor0Row is |
|
signal sRayx : std_logic_vector ((col+1)*viw - 1 downto 0); -- The ray difussion nets. |
signal sRayy : std_logic_vector ((col+1)*viw - 1 downto 0); -- The ray difussion nets. |
signal sRayz : std_logic_vector ((col+1)*viw - 1 downto 0); -- The ray difussion nets. |
|
begin |
|
theCells : for i in 0 to col-1 generate |
|
dotCellx : dotCell port map ( |
|
clk => clk, |
rst => rst, |
nxtSphere => nxtSphere(i), |
nxtRay => nxtRay, |
vxInput => iSphrCenterx((i+1)*viw-1 downto i*viw), |
vyInput => iSphrCentery((i+1)*viw-1 downto i*viw), |
vzInput => iSphrCenterz((i+1)*viw-1 downto i*viw), |
vxOutput => oSphrCenterx((i+1)*viw-1 downto i*viw), |
vyOutput => oSphrCentery((i+1)*viw-1 downto i*viw), |
vzOutput => oSphrCenterz((i+1)*viw-1 downto i*viw), |
dxInput => sRayx ((i+1)*viw-1 downto i*viw), |
dyInput => sRayx ((i+1)*viw-1 downto i*viw), |
dzInput => sRayx ((i+1)*viw-1 downto i*viw), |
dxOutput => sRayx ((i+2)*viw-1 downto (i+1)*viw), |
dyOutput => sRayx ((i+2)*viw-1 downto (i+1)*viw), |
dzOutput => sRayx ((i+2)*viw-1 downto (i+1)*viw), |
vdOutput => vdOutput((i+1)*view-1 downto i*viw) |
); |
|
end generate; |
|
-- Connect the first and last rays. |
sRayx (viw-1 downto 0) <= iRayx; |
sRayy (viw-1 downto 0) <= iRayy; |
sRayz (viw-1 downto 0) <= iRayz; |
oRayx <= sRayx ((col+1)*viw - 1 downto col*viw); |
oRayy <= sRayy ((col+1)*viw - 1 downto col*viw); |
oRayz <= sRayz ((col+1)*viw - 1 downto col*viw); |
|
end rtl; |
|
|