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sampler bug fixes

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This commit is contained in:
Krishna Yalamarthy
2021-03-22 13:39:30 -04:00
parent 79fdde3c0c
commit 938b66f232
5 changed files with 42 additions and 43 deletions
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66
hw/rtl/tex_unit/VX_tex_sampler.v
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@@ -33,52 +33,50 @@ module VX_tex_sampler #(
`UNUSED_PARAM (CORE_ID)
wire [31:0] req_data [`NUM_THREADS-1:0];
wire [`NUM_THREADS-1:0][31:0] req_data ;
wire [`NUM_THREADS-1:0][31:0] req_data_bilerp ;
if (req_filter == 0) begin // point sampling
wire stall_out;
for (genvar i = 0; i<`NUM_THREADS ;i++ ) begin
req_data[i] = req_texels[i][0]
end
for (genvar i = 0; i<`NUM_THREADS ;i++ ) begin
end else begin // bilinear sampling
wire [3:0][63:0] formatted_data;
wire [`NUM_COLOR_CHANNEL-1:0] color_enable;
for (genvar i = 0; i<`NUM_THREADS ;i++ ) begin
VX_tex_format #(
.CORE_ID (CORE_ID),
.NUM_TEXELS (4)
) tex_format_texel (
.texel_data (req_texels[i]),
.format (req_format),
// wire [3:0][63:0] formatted_data;
// wire [`TEX_FORMAT_BITS-1:0] color_enable;
.color_enable (color_enable),
.formatted_texel(formatted_data)
);
VX_tex_format #(
.CORE_ID (CORE_ID),
.NUM_TEXELS (4)
) tex_format_texel (
.texel_data (req_texels[i]),
.format (req_format),
//blendU/blendV calculation
wire [`BLEND_FRAC_64-1:0] blendU;
wire [`BLEND_FRAC_64-1:0] blendV;
.color_enable (color_enable),
.formatted_texel(formatted_data)
);
assign blendU = req_u[i][`BLEND_FRAC_64-1:0];
assign blendV = req_v[i][`BLEND_FRAC_64-1:0];
//blendU/blendV calculation
wire [`BLEND_FRAC_64-1:0] blendU;
wire [`BLEND_FRAC_64-1:0] blendV;
VX_tex_bilerp #(
.CORE_ID (CORE_ID)
) tex_bilerp (
.blendU(blendU), //blendU
.blendV(blendV), //blendV
assign blendU = req_u[i][`BLEND_FRAC_64-1:0];
assign blendV = req_v[i][`BLEND_FRAC_64-1:0];
.color_enable(color_enable),
.texels(formatted_data),
VX_tex_bilerp #(
.CORE_ID (CORE_ID)
) tex_bilerp (
.blendU(blendU), //blendU
.blendV(blendV), //blendV
.sampled_data(req_data_bilerp[i])
);
.color_enable(color_enable),
.texels(formatted_data),
end
.sampled_data(req_data[i])
);
end
for (genvar i = 0;i<`NUM_THREADS ;i++ ) begin
assign req_data[i] = (req_filter == `TEX_FILTER_BITS'h0) ? req_texels[i][0] : req_data_bilerp[i];
end
assign stall_out = ~rsp_ready;