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minor update

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This commit is contained in:
Blaise Tine 2021-08-03 12:22:15 -07:00
parent c35434bd8f
commit b3aaac4903
1 changed files with 24 additions and 24 deletions
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48
hw/rtl/tex_unit/VX_tex_format.v
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@ -14,41 +14,41 @@ module VX_tex_format #(
always @(*) begin
case (format)
`TEX_FORMAT_R5G6B5: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'({texel_in[15:11],texel_in[15:13]});
texel_out_r[15:08] = `TEX_COLOR_BITS'({texel_in[10:5],texel_in[10:9]});
texel_out_r[23:16] = `TEX_COLOR_BITS'({texel_in[4:0],texel_in[4:2]});
texel_out_r[31:24] = {`TEX_COLOR_BITS{1'b1}};
texel_out_r[07:00] = {texel_in[15:11], texel_in[15:13]};
texel_out_r[15:08] = {texel_in[10:5], texel_in[10:9]};
texel_out_r[23:16] = {texel_in[4:0], texel_in[4:2]};
texel_out_r[31:24] = 8'hff;
end
`TEX_FORMAT_R4G4B4A4: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'({texel_in[11:8],texel_in[15:12]});
texel_out_r[15:08] = `TEX_COLOR_BITS'({2{texel_in[7:4]}});
texel_out_r[23:16] = `TEX_COLOR_BITS'({2{texel_in[3:0]}});
texel_out_r[31:24] = `TEX_COLOR_BITS'({2{texel_in[15:12]}});
texel_out_r[07:00] = {texel_in[11:8], texel_in[15:12]};
texel_out_r[15:08] = {2{texel_in[7:4]}};
texel_out_r[23:16] = {2{texel_in[3:0]}};
texel_out_r[31:24] = {2{texel_in[15:12]}};
end
`TEX_FORMAT_L8A8: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[15:8]);
texel_out_r[07:00] = texel_in[7:0];
texel_out_r[15:08] = texel_in[7:0];
texel_out_r[23:16] = texel_in[7:0];
texel_out_r[31:24] = texel_in[15:8];
end
`TEX_FORMAT_A8: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'(0);
texel_out_r[15:08] = `TEX_COLOR_BITS'(0);
texel_out_r[23:16] = `TEX_COLOR_BITS'(0);
texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[07:00] = 0;
texel_out_r[15:08] = 0;
texel_out_r[23:16] = 0;
texel_out_r[31:24] = texel_in[7:0];
end
`TEX_FORMAT_L8: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[31:24] = {`TEX_COLOR_BITS{1'b1}};
texel_out_r[07:00] = texel_in[7:0];
texel_out_r[15:08] = texel_in[7:0];
texel_out_r[23:16] = texel_in[7:0];
texel_out_r[31:24] = 8'hff;
end
// `TEX_FORMAT_R8G8B8A8
default: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]);
texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[15:8]);
texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[23:16]);
texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[31:24]);
texel_out_r[07:00] = texel_in[7:0];
texel_out_r[15:08] = texel_in[15:8];
texel_out_r[23:16] = texel_in[23:16];
texel_out_r[31:24] = texel_in[31:24];
end
endcase
end