summaryrefslogtreecommitdiff
path: root/rtl/gfx/gfx_frag_bary.sv
diff options
context:
space:
mode:
authorAlejandro Soto <alejandro@34project.org>2024-05-05 17:34:22 -0600
committerAlejandro Soto <alejandro@34project.org>2024-05-05 17:38:27 -0600
commit081a8a3ba8bfe036f31da53f9c041a2caa30fce2 (patch)
tree7d712b67d3dc1ad3d37041562774ba3c4e5a7f49 /rtl/gfx/gfx_frag_bary.sv
parente5b64ea353678baabd16d245fcfaa3384e1acf8f (diff)
rtl/legacy_gfx: rename gfx -> legacy_gfx
Diffstat (limited to 'rtl/gfx/gfx_frag_bary.sv')
-rw-r--r--rtl/gfx/gfx_frag_bary.sv78
1 files changed, 0 insertions, 78 deletions
diff --git a/rtl/gfx/gfx_frag_bary.sv b/rtl/gfx/gfx_frag_bary.sv
deleted file mode 100644
index 4f4f452..0000000
--- a/rtl/gfx/gfx_frag_bary.sv
+++ /dev/null
@@ -1,78 +0,0 @@
-`include "gfx/gfx_defs.sv"
-
-module gfx_frag_bary
-(
- input logic clk,
-
- input fixed_tri bary,
- ws,
- input logic stall,
-
- output fixed b1,
- b2
-);
-
- fixed area, b0_w0, b1_w1, b2_w2, b1_w1_b2_w2, hold_b0_w0, hold_b1_w1, hold_b2_w2;
- fixed_tri bs_ws, orthographic_bs;
-
- assign b0_w0 = bs_ws[0];
- assign b1_w1 = bs_ws[1];
- assign b2_w2 = bs_ws[2];
-
- assign orthographic_bs[0] = bary[`EDGE_P1_TO_P2];
- assign orthographic_bs[1] = bary[`EDGE_P2_TO_P0];
- assign orthographic_bs[2] = bary[`EDGE_P0_TO_P1];
-
- genvar i;
- generate
- for (i = 0; i < 3; ++i) begin: vertices
- gfx_fixed_div div_b_w
- (
- .z(orthographic_bs[i]),
- .d(ws[i]),
- .q(bs_ws[i]),
- .*
- );
- end
- endgenerate
-
- localparam AREA_STAGES = 2;
-
- gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(AREA_STAGES)) b1_w1_pipes
- (
- .in(b1_w1),
- .out(hold_b1_w1),
- .*
- );
-
- gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(AREA_STAGES)) b2_w2_pipes
- (
- .in(b2_w2),
- .out(hold_b2_w2),
- .*
- );
-
- gfx_fixed_div norm_b1
- (
- .z(hold_b1_w1),
- .d(area),
- .q(b1),
- .*
- );
-
- gfx_fixed_div norm_b2
- (
- .z(hold_b2_w2),
- .d(area),
- .q(b2),
- .*
- );
-
- always_ff @(posedge clk)
- if (!stall) begin
- area <= hold_b0_w0 + b1_w1_b2_w2;
- hold_b0_w0 <= b0_w0;
- b1_w1_b2_w2 <= b1_w1 + b2_w2;
- end
-
-endmodule