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-rw-r--r--rtl/gfx/gfx_mat_mat.sv83
1 files changed, 0 insertions, 83 deletions
diff --git a/rtl/gfx/gfx_mat_mat.sv b/rtl/gfx/gfx_mat_mat.sv
deleted file mode 100644
index d03a648..0000000
--- a/rtl/gfx/gfx_mat_mat.sv
+++ /dev/null
@@ -1,83 +0,0 @@
-`include "gfx/gfx_defs.sv"
-
-module gfx_mat_mat
-(
- input logic clk,
- rst_n,
-
- input mat4 a,
- b,
- input logic in_valid,
- out_ready,
-
- output mat4 q,
- output logic in_ready,
- out_valid
-);
-
- mat4 a_hold, b_hold, b_transpose, q_hold, q_transpose, mul_b;
- vec4 mul_q;
- logic mul_in_ready, mul_in_valid, mul_out_ready, mul_out_valid;
- index4 in_index, out_index;
-
- assign in_ready = mul_in_ready && in_index == `INDEX4_MIN;
- assign out_valid = mul_out_valid && out_index == `INDEX4_MAX;
-
- assign mul_in_valid = in_valid || in_index != `INDEX4_MIN;
- assign mul_out_ready = out_ready || out_index != `INDEX4_MAX;
-
- gfx_transpose transpose_b
- (
- .in(b),
- .out(b_transpose)
- );
-
- gfx_mat_vec mul
- (
- .a(in_index == `INDEX4_MIN ? a : a_hold),
- .x(mul_b[in_index]),
- .q(mul_q),
- .in_ready(mul_in_ready),
- .in_valid(mul_in_valid),
- .out_ready(mul_out_ready),
- .out_valid(mul_out_valid),
- .*
- );
-
- gfx_transpose transpose_q
- (
- .in(q_transpose),
- .out(q)
- );
-
- always_comb begin
- mul_b = b_hold;
- mul_b[0] = b_transpose[0];
-
- q_transpose = q_hold;
- q_transpose[`VECS_PER_MAT - 1] = mul_q;
- end
-
- always_ff @(posedge clk or negedge rst_n)
- if (!rst_n) begin
- in_index <= `INDEX4_MIN;
- out_index <= `INDEX4_MIN;
- end else begin
- if (mul_in_ready && mul_in_valid)
- in_index <= in_index + 1;
-
- if (mul_out_ready && mul_out_valid)
- out_index <= out_index + 1;
- end
-
- always_ff @(posedge clk) begin
- if (in_ready) begin
- a_hold <= a;
- b_hold <= b_transpose;
- end
-
- if (mul_out_ready && mul_out_valid)
- q_hold[out_index] <= mul_q;
- end
-
-endmodule