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tex_unit code refactoring

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This commit is contained in:
Blaise Tine
2021-03-22 10:41:50 -04:00
parent 82a9aee417
commit 97041e8e82
5 changed files with 8 additions and 155 deletions
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57
hw/rtl/tex_unit/VX_tex_format.v
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@@ -18,7 +18,7 @@ module VX_tex_format #(
always @(*) begin
for (integer i = 0; i<NUM_TEXELS ;i++ ) begin
case (format)
`R5G6B5: begin
`TEX_FORMAT_R5G6B5: begin
formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(texel_data[i][15:11]);
formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(texel_data[i][10:5]);
formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(texel_data[i][4:0]);
@@ -26,7 +26,7 @@ module VX_tex_format #(
if (i == 0)
color_enable_r = 4'b1110;
end
`R8G8B8: begin
`TEX_FORMAT_R8G8B8: begin
formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(texel_data[i][23:16]);
formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(texel_data[i][15:8]);
formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(texel_data[i][7:0]);
@@ -34,7 +34,7 @@ module VX_tex_format #(
if (i == 0)
color_enable_r = 4'b1110;
end
default: begin // `R8G8B8A8:
default: begin // `TEX_FORMAT_R8G8B8A8:
formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(texel_data[i][31:24]);
formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(texel_data[i][23:16]);
formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(texel_data[i][15:8]);
@@ -46,56 +46,7 @@ module VX_tex_format #(
end
end
assign color_enable = color_enable_r;
assign color_enable = color_enable_r;
assign formatted_texel = formatted_texel_r & 64'h00ff00ff00ff00ff;
endmodule
// module VX_tex_format #(
// parameter CORE_ID = 0
// ) (
// input wire [`TEX_FORMAT_BITS-1:0] format,
// input wire [`NUM_COLOR_CHANNEL-1:0] color_enable,
// input wire [`TEX_COLOR_BITS-1:0] R,
// input wire [`TEX_COLOR_BITS-1:0] G,
// input wire [`TEX_COLOR_BITS-1:0] B,
// input wire [`TEX_COLOR_BITS-1:0] A,
// output wire [31:0] texel_sampled
// );
// `UNUSED_PARAM (CORE_ID)
// `UNUSED_VAR(color_enable)
// reg [63:0] sampled_r;
// always @(*) begin
// case (format)
// `R5G6B5: begin
// sampled_r[31:16] = 'd0;
// sampled_r[15:11] = R[4:0];
// sampled_r[10:5] = G[5:0];
// sampled_r[4:0] = B[4:0];
// end
// `R8G8B8: begin
// sampled_r[31:24] = 'd0;
// sampled_r[23:16] = R;
// sampled_r[15:8] = G;
// sampled_r[7:0] = B;
// end
// default: begin // `R8G8B8A8:
// sampled_r[31:24] = R;
// sampled_r[23:16] = R;
// sampled_r[15:8] = G;
// sampled_r[7:0] = A;
// end
// endcase
// end
// assign texel_sampled = sampled_r;
// endmodule