diff options
Diffstat (limited to 'rtl/legacy_gfx/gfx.sv')
| -rw-r--r-- | rtl/legacy_gfx/gfx.sv | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/rtl/legacy_gfx/gfx.sv b/rtl/legacy_gfx/gfx.sv new file mode 100644 index 0000000..73e5dbf --- /dev/null +++ b/rtl/legacy_gfx/gfx.sv @@ -0,0 +1,208 @@ +`include "gfx/gfx_defs.sv" + +module gfx +( + input logic clk, + rst_n, + + input cmd_addr cmd_address, + input logic cmd_read, + cmd_write, + input cmd_word cmd_writedata, + output cmd_word cmd_readdata, + + input logic mem_waitrequest, + mem_readdatavalid, + input vram_word mem_readdata, + output vram_byte_addr mem_address, + output logic mem_read, + mem_write, + output vram_word mem_writedata, + + input vram_addr host_address, + input logic host_read, + host_write, + input vram_word host_writedata, + output logic host_waitrequest, + host_readdatavalid, + output vram_word host_readdata, + + input logic scan_ready, + output logic scan_valid, + scan_endofpacket, + scan_startofpacket, + output rgb30 scan_data +); + + logic enable_clear, program_start, start_clear, swap_buffers; + rgb24 clear_color; + cmd_word fb_base_a, fb_base_b, program_header_base, program_header_size; + + gfx_cmd cmd + ( + .* + ); + + logic batch_read, fetch_read, running, send_valid; + lane_word send_data; + lane_mask send_mask; + vram_addr batch_address, fetch_address; + + gfx_sp sp + ( + .* + ); + + logic send_ready, assembly_valid; + fp_xyzw assembly_vertex_a, assembly_vertex_b, assembly_vertex_c; + + gfx_assembly assembly + ( + .out_ready(fix_ready), + .out_valid(assembly_valid), + .out_vertex_a(assembly_vertex_a), + .out_vertex_b(assembly_vertex_b), + .out_vertex_c(assembly_vertex_c), + .* + ); + + logic fix_ready, fix_valid; + raster_xyzw fix_vertex_a, fix_vertex_b, fix_vertex_c; + + gfx_fix_floats fix + ( + .in_ready(fix_ready), + .in_valid(assembly_valid), + .out_ready(persp_ready), + .out_valid(fix_valid), + .in_vertex_a(assembly_vertex_a), + .in_vertex_b(assembly_vertex_b), + .in_vertex_c(assembly_vertex_c), + .out_vertex_a(fix_vertex_a), + .out_vertex_b(fix_vertex_b), + .out_vertex_c(fix_vertex_c), + .* + ); + + 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(fix_valid), + .out_ready(raster_ready), + .out_valid(persp_valid), + .in_vertex_a(fix_vertex_a), + .in_vertex_b(fix_vertex_b), + .in_vertex_c(fix_vertex_c), + .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; + paint_lanes raster_valid; + frag_xy_lanes fragments; + + gfx_raster raster + ( + .ws(raster_ws), + .in_ready(raster_ready), + .in_valid(persp_valid), + .out_ready(funnel_ready), + .out_valid(raster_valid), + + .vertex_a(persp_vertex_a), + .vertex_b(persp_vertex_b), + .vertex_c(persp_vertex_c), + + .* + ); + + logic frag_mask, scan_mask; + vram_addr frag_base, scan_base; + + gfx_masks masks + ( + .frag_mask_read_addr(), + .* + ); + + logic frag_mask_set, frag_mask_write, frag_wait; + linear_coord frag_mask_write_addr; + + gfx_clear clear + ( + .* + ); + + logic funnel_ready, funnel_valid; + frag_xy frag; + fixed_tri frag_bary, frag_ws; + + gfx_funnel funnel + ( + .in_ready(funnel_ready), + .in_valid(raster_valid), + .out_ready(frag_ready), + .out_valid(funnel_valid), + .* + ); + + logic frag_ready, frag_valid; + frag_paint frag_out; + + gfx_frag frag_ + ( + .out(frag_out), + + .ws(frag_ws), + .bary(frag_bary), + .in_ready(frag_ready), + .in_valid(funnel_valid), + .out_ready(rop_ready), + .out_valid(frag_valid), + .* + ); + + logic rop_mask_assert, rop_ready, rop_write; + vram_addr rop_address; + vram_word rop_writedata; + linear_coord rop_mask_addr; + + gfx_rop rop + ( + .in(frag_out), + .in_ready(rop_ready), + .in_valid(frag_valid), + .mask_addr(rop_mask_addr), + .mask_assert(rop_mask_assert), + .* + ); + + logic batch_readdatavalid, fb_readdatavalid, fetch_readdatavalid, + batch_waitrequest, fb_waitrequest, fetch_waitrequest, rop_waitrequest; + + vram_word batch_readdata, fb_readdata, fetch_readdata; + + gfx_mem mem + ( + .* + ); + + logic fb_read, vsync; + vram_addr fb_address; + linear_coord scan_mask_addr; + + gfx_scanout scanout + ( + .mask(scan_mask), + .mask_addr(scan_mask_addr), + .* + ); + +endmodule |