diff options
| -rw-r--r-- | gfx_hw.tcl | 2 | ||||
| -rw-r--r-- | rtl/gfx/gfx.sv | 26 | ||||
| -rw-r--r-- | rtl/gfx/gfx_persp.sv | 49 | ||||
| -rw-r--r-- | rtl/gfx/gfx_persp_vertex.sv | 52 |
4 files changed, 125 insertions, 4 deletions
@@ -81,6 +81,8 @@ add_fileset_file gfx_rop.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_rop.sv add_fileset_file gfx_fifo.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_fifo.sv add_fileset_file gfx_fifo_overflow.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_fifo_overflow.sv add_fileset_file gfx_mem.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_mem.sv +add_fileset_file gfx_persp.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_persp.sv +add_fileset_file gfx_persp_vertex.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_persp_vertex.sv add_fileset_file gfx_sp.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_sp.sv add_fileset_file gfx_sp_isa.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_sp_isa.sv add_fileset_file gfx_sp_file.sv SYSTEM_VERILOG PATH rtl/gfx/gfx_sp_file.sv diff --git a/rtl/gfx/gfx.sv b/rtl/gfx/gfx.sv index 2398826..6bead44 100644 --- a/rtl/gfx/gfx.sv +++ b/rtl/gfx/gfx.sv @@ -62,6 +62,24 @@ module gfx .* ); + logic persp_ready, persp_valid; + raster_xyzw persp_vertex_a, persp_vertex_b, persp_vertex_c; + + gfx_persp perspective + ( + .in_ready(persp_ready), + .in_valid(0), //TODO + .out_ready(raster_ready), + .out_valid(persp_valid), + .in_vertex_a(), //TODO + .in_vertex_b(), //TODO + .in_vertex_c(), //TODO + .out_vertex_a(persp_vertex_a), + .out_vertex_b(persp_vertex_b), + .out_vertex_c(persp_vertex_c), + .* + ); + logic raster_ready; fixed_tri raster_ws; bary_lanes barys; @@ -72,13 +90,13 @@ module gfx ( .ws(raster_ws), .in_ready(raster_ready), - .in_valid(0), //TODO + .in_valid(persp_valid), .out_ready(funnel_ready), .out_valid(raster_valid), - .vertex_a(), //TODO - .vertex_b(), //TODO - .vertex_c(), //TODO + .vertex_a(persp_vertex_a), + .vertex_b(persp_vertex_b), + .vertex_c(persp_vertex_c), .* ); diff --git a/rtl/gfx/gfx_persp.sv b/rtl/gfx/gfx_persp.sv new file mode 100644 index 0000000..0a75d39 --- /dev/null +++ b/rtl/gfx/gfx_persp.sv @@ -0,0 +1,49 @@ +`include "gfx/gfx_defs.sv" + +module gfx_persp +( + input logic clk, + rst_n, + + input raster_xyzw in_vertex_a, + in_vertex_b, + in_vertex_c, + input logic in_valid, + output logic in_ready, + + input logic out_ready, + output logic out_valid, + output raster_xyzw out_vertex_a, + out_vertex_b, + out_vertex_c +); + + logic stall; + + gfx_pipeline_flow #(.STAGES(`FIXED_DIV_STAGES)) flow + ( + .* + ); + + gfx_persp_vertex persp_a + ( + .in_vertex(in_vertex_a), + .out_vertex(out_vertex_a), + .* + ); + + gfx_persp_vertex persp_b + ( + .in_vertex(in_vertex_b), + .out_vertex(out_vertex_b), + .* + ); + + gfx_persp_vertex persp_c + ( + .in_vertex(in_vertex_c), + .out_vertex(out_vertex_c), + .* + ); + +endmodule diff --git a/rtl/gfx/gfx_persp_vertex.sv b/rtl/gfx/gfx_persp_vertex.sv new file mode 100644 index 0000000..f7434f0 --- /dev/null +++ b/rtl/gfx/gfx_persp_vertex.sv @@ -0,0 +1,52 @@ +`include "gfx/gfx_defs.sv" + +module gfx_persp_vertex +( + input logic clk, + + input raster_xyzw in_vertex, + input logic stall, + + output raster_xyzw out_vertex +); + + raster_xyzw skid_vertex; + + gfx_fixed_div x_div + ( + .z(in_vertex.xy.x), + .d(in_vertex.zw.w), + .q(skid_vertex.xy.x), + .* + ); + + gfx_fixed_div y_div + ( + .z(in_vertex.xy.y), + .d(in_vertex.zw.w), + .q(skid_vertex.xy.y), + .* + ); + + gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(`FIXED_DIV_STAGES)) z_pipes + ( + .in(in_vertex.zw.z), + .out(skid_vertex.zw.z), + .* + ); + + gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(`FIXED_DIV_STAGES)) w_pipes + ( + .in(in_vertex.zw.w), + .out(skid_vertex.zw.w), + .* + ); + + gfx_skid_buf #(.WIDTH($bits(out_vertex))) vertex_skid + ( + .in(skid_vertex), + .out(out_vertex), + .* + ); + +endmodule |