From 5c982f38139cd1b0c5b590f67e99b1bcc1a32c9b Mon Sep 17 00:00:00 2001 From: Alejandro Soto Date: Sun, 5 Nov 2023 21:35:16 -0600 Subject: rtl/gfx: implement fixed-point FMA --- rtl/gfx/gfx_defs.sv | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'rtl/gfx/gfx_defs.sv') diff --git a/rtl/gfx/gfx_defs.sv b/rtl/gfx/gfx_defs.sv index 1d2bd68..45e1a63 100644 --- a/rtl/gfx/gfx_defs.sv +++ b/rtl/gfx/gfx_defs.sv @@ -14,7 +14,6 @@ typedef logic[`FLOAT_BITS - 1:0] fp; typedef fp vec2[2]; typedef fp vec4[`FLOATS_PER_VEC]; -typedef fp[`FLOATS_PER_VEC - 1:0] vec4_packed; typedef vec4 mat4[`VECS_PER_MAT]; `define FP_UNIT 16'h3c00 @@ -48,10 +47,13 @@ typedef struct packed logic[9:0] r, g, b; } rgb30; -typedef logic signed[31:0] fixed; - `define FIXED_FRAC 16 +`define FIXED_FMA_STAGES 5 +`define FIXED_FMA_DOT_STAGES (2 * `FIXED_FMA_STAGES) + +typedef logic signed[31:0] fixed; + typedef struct packed { fixed x, y; -- cgit v1.2.3