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fixes: texture unit mem access sometimes going to smem, bilinear texture filtering; new: cache req_id,

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Blaise Tine
2021-11-24 00:00:17 -05:00
parent 1501360f4b
commit 18762dffce
70 changed files with 3818 additions and 1727 deletions
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10
hw/rtl/tex_unit/VX_tex_sampler.sv
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@@ -12,7 +12,7 @@ module VX_tex_sampler #(
input wire req_valid,
input wire [NUM_REQS-1:0] req_tmask,
input wire [`TEX_FORMAT_BITS-1:0] req_format,
input wire [NUM_REQS-1:0][1:0][`BLEND_FRAC-1:0] req_blends,
input wire [NUM_REQS-1:0][1:0][`TEX_BLEND_FRAC-1:0] req_blends,
input wire [NUM_REQS-1:0][3:0][31:0] req_data,
input wire [REQ_INFOW-1:0] req_info,
output wire req_ready,
@@ -32,7 +32,7 @@ module VX_tex_sampler #(
wire [REQ_INFOW-1:0] req_info_s0;
wire [NUM_REQS-1:0][31:0] texel_ul, texel_uh;
wire [NUM_REQS-1:0][31:0] texel_ul_s0, texel_uh_s0;
wire [NUM_REQS-1:0][`BLEND_FRAC-1:0] blend_v, blend_v_s0;
wire [NUM_REQS-1:0][`TEX_BLEND_FRAC-1:0] blend_v, blend_v_s0;
wire [NUM_REQS-1:0][31:0] texel_v;
wire stall_out;
@@ -52,7 +52,7 @@ module VX_tex_sampler #(
end
wire [7:0] beta = req_blends[i][0];
wire [8:0] alpha = `BLEND_ONE - beta;
wire [8:0] alpha = `TEX_BLEND_ONE - beta;
VX_tex_lerp #(
) tex_lerp_ul (
@@ -76,7 +76,7 @@ module VX_tex_sampler #(
end
VX_pipe_register #(
.DATAW (1 + NUM_REQS + REQ_INFOW + (NUM_REQS * `BLEND_FRAC) + (2 * NUM_REQS * 32)),
.DATAW (1 + NUM_REQS + REQ_INFOW + (NUM_REQS * `TEX_BLEND_FRAC) + (2 * NUM_REQS * 32)),
.RESETW (1)
) pipe_reg0 (
.clk (clk),
@@ -88,7 +88,7 @@ module VX_tex_sampler #(
for (genvar i = 0; i < NUM_REQS; i++) begin
wire [7:0] beta = blend_v_s0[i];
wire [8:0] alpha = `BLEND_ONE - beta;
wire [8:0] alpha = `TEX_BLEND_ONE - beta;
VX_tex_lerp #(
) tex_lerp_v (