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//=======================================================================
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// Project Monophony
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// Wire-Frame 3D Graphics Accelerator IP Core
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//
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// File:
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// simple_triangle.v
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//
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// Abstract:
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// simple cube rendering
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//
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// Author:
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// Kenji Ishimaru (info.info.wf3d@gmail.com)
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//
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//======================================================================
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//
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// Copyright (c) 2015, Kenji Ishimaru
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// -Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// -Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Revision History
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`timescale 1ns/1ns
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`include "fm_3d_define.v"
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module top();
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`define VERBOSE
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//`define WAVE_OUT
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`ifdef D3D_WISHBONE
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`include "tb_instance_wb.v"
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`else
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`include "tb_instance.v"
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`endif
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`include "tb_init.v"
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`include "tb_task.v"
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`define PP_BASE_ADDR 'h0
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`ifdef WAVE_OUT
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initial begin
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$dumpvars;
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end
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`endif
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reg [31:0] rd;
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// VGA
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localparam P_SCREEN_WIDTH=640;
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localparam P_SCREEN_HEIGHT=480;
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// SVGA
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//localparam P_SCREEN_WIDTH=800;
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//localparam P_SCREEN_HEIGHT=600;
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// XGA
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//localparam P_SCREEN_WIDTH=1024;
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//localparam P_SCREEN_HEIGHT=768;
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// SXGA
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//localparam P_SCREEN_WIDTH=1280;
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//localparam P_SCREEN_HEIGHT=1024;
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// UXGA
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//localparam P_SCREEN_WIDTH=1600;
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//localparam P_SCREEN_HEIGHT=1200;
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// QXGA
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//localparam P_SCREEN_WIDTH=2048;
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//localparam P_SCREEN_HEIGHT=1536;
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localparam P_FB_TOP_ADDR='h8_0000;
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/***********************************************
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Main test routine
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***********************************************/
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integer i,j;
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integer pm;
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initial pm = 0;
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initial begin
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reset;
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repeat (100) @(posedge clk_core);
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for (i=0;i<3;i=i+1) begin
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for (j=0;j<3;j=j+1) begin
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render_triangle(j,i);
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end
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end
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save_frame_buffer(P_FB_TOP_ADDR, P_SCREEN_WIDTH,P_SCREEN_HEIGHT,"frame_buffer.dat");
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repeat (100) @(posedge clk_core);
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$finish;
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end
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task reset;
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begin
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rst_x = 0;
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repeat (10) @(posedge clk_core);
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@(negedge clk_core);
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rst_x = 1;
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@(posedge clk_core);
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end
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endtask
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task render_triangle;
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input [1:0] x_pos;
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input [1:0] y_pos;
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real x_bias;
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real y_bias;
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real z_bias;
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reg [31:0] r_32;
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reg [21:0] r_22;
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begin
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reg_write('h08,'hf,'h000_0000); // DMA top address
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$to_float32(rd,2.79903817);
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reg_write('h10,'hf,rd); // m00
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$to_float32(rd,0.0);
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reg_write('h14,'hf,rd); // m01
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$to_float32(rd,0.0);
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reg_write('h18,'hf,rd); // m02
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$to_float32(rd,0.0);
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reg_write('h1c,'hf,rd); // m03
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$to_float32(rd,0.0);
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reg_write('h20,'hf,rd); // m10
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$to_float32(rd,3.73205090);
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reg_write('h24,'hf,rd); // m11
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$to_float32(rd,0.0);
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reg_write('h28,'hf,rd); // m12
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$to_float32(rd,0.0);
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reg_write('h2c,'hf,rd); // m13
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$to_float32(rd,0.0);
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reg_write('h30,'hf,rd); // m20
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$to_float32(rd,0.0);
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reg_write('h34,'hf,rd); // m21
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$to_float32(rd,-1.02020204);
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reg_write('h38,'hf,rd); // m22
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$to_float32(rd,1.04040408);
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reg_write('h3c,'hf,rd); // m23
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$to_float32(rd,0.0);
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reg_write('h40,'hf,rd); // m30
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$to_float32(rd,0.0);
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reg_write('h44,'hf,rd); // m31
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$to_float32(rd,-1.00000000);
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reg_write('h48,'hf,rd); // m32
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$to_float32(rd,3.0);
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reg_write('h4c,'hf,rd); // m33
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reg_write('h64,'hf,P_FB_TOP_ADDR); // Pixel top address
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reg_write('h68,'hf,'hff); // Pixel color
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// screen width/height
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$to_float32(rd,P_SCREEN_WIDTH);
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reg_write('h50,'hf,rd); // Screen Width (Floating point)
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$to_float32(rd,P_SCREEN_HEIGHT);
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reg_write('h54,'hf,rd); // Screen Height (Floating point)
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reg_write('h58,'hf,P_SCREEN_WIDTH-1); // Screen Width-1 (Integer)
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reg_write('h5c,'hf,P_SCREEN_HEIGHT-1); // Screen Width-1 (Integer)
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reg_write('h60,'hf,P_SCREEN_WIDTH); // Screen Width (Integer)
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// simple test
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x_bias = 0.0;
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y_bias = 0.0;
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z_bias = 0.0;
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// bias
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case (x_pos)
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'd0: x_bias = -0.7;
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'd1: x_bias = 0.0;
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'd2: x_bias = 0.7;
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endcase
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case (y_pos)
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'd0: y_bias = -0.7;
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'd1: y_bias = 0.0;
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'd2: y_bias = 0.7;
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endcase
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// pixel color RGB = 2:3:3
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case (y_pos)
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'd0: reg_write('h68,'hf,'h0c0); // R y-flip:bit8
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'd1: reg_write('h68,'hf,'h038); // G
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'd2: reg_write('h68,'hf,'h007); // B
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endcase
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pm = 0;
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// triangle0
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$to_float32(rd,0.25+x_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25+y_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,-0.25+x_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25+y_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,-0.25+x_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,-0.25+y_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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// triangle1
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$to_float32(rd,0.25+x_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25+y_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,-0.25+x_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,-0.25+y_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25+x_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,-0.25+y_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.25);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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// triangle2
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$to_float32(rd,0.25+x_bias);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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| 278 |
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pm = pm + 1;
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$to_float32(rd,0.25+y_bias);
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| 280 |
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$display("rd %h",rd);
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| 281 |
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,0.0);
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| 284 |
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$display("rd %h",rd);
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| 285 |
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u_sram_slave.u_memory.mem[pm] = rd;
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| 286 |
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pm = pm + 1;
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| 287 |
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$to_float32(rd,-0.25+x_bias);
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| 288 |
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$display("rd %h",rd);
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| 289 |
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u_sram_slave.u_memory.mem[pm] = rd;
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| 290 |
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pm = pm + 1;
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| 291 |
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$to_float32(rd,0.25+y_bias);
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| 292 |
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$display("rd %h",rd);
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| 293 |
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u_sram_slave.u_memory.mem[pm] = rd;
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| 294 |
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pm = pm + 1;
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$to_float32(rd,0.0);
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$display("rd %h",rd);
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u_sram_slave.u_memory.mem[pm] = rd;
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pm = pm + 1;
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$to_float32(rd,-0.25+x_bias);
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$display("rd %h",rd);
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| 301 |
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u_sram_slave.u_memory.mem[pm] = rd;
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| 302 |
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pm = pm + 1;
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| 303 |
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$to_float32(rd,0.25+y_bias);
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| 304 |
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$display("rd %h",rd);
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| 305 |
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u_sram_slave.u_memory.mem[pm] = rd;
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| 306 |
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pm = pm + 1;
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| 307 |
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$to_float32(rd,0.25);
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| 308 |
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$display("rd %h",rd);
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| 309 |
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u_sram_slave.u_memory.mem[pm] = rd;
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| 310 |
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pm = pm + 1;
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| 311 |
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// triangle3
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| 312 |
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$to_float32(rd,0.25+x_bias);
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| 313 |
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$display("rd %h",rd);
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| 314 |
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u_sram_slave.u_memory.mem[pm] = rd;
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| 315 |
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pm = pm + 1;
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| 316 |
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$to_float32(rd,0.25+y_bias);
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| 317 |
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$display("rd %h",rd);
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| 318 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 319 |
|
|
pm = pm + 1;
|
| 320 |
|
|
$to_float32(rd,0.0);
|
| 321 |
|
|
$display("rd %h",rd);
|
| 322 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 323 |
|
|
pm = pm + 1;
|
| 324 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 325 |
|
|
$display("rd %h",rd);
|
| 326 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 327 |
|
|
pm = pm + 1;
|
| 328 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 329 |
|
|
$display("rd %h",rd);
|
| 330 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 331 |
|
|
pm = pm + 1;
|
| 332 |
|
|
$to_float32(rd,0.25);
|
| 333 |
|
|
$display("rd %h",rd);
|
| 334 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 335 |
|
|
pm = pm + 1;
|
| 336 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 337 |
|
|
$display("rd %h",rd);
|
| 338 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 339 |
|
|
pm = pm + 1;
|
| 340 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 341 |
|
|
$display("rd %h",rd);
|
| 342 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 343 |
|
|
pm = pm + 1;
|
| 344 |
|
|
$to_float32(rd,0.25);
|
| 345 |
|
|
$display("rd %h",rd);
|
| 346 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 347 |
|
|
pm = pm + 1;
|
| 348 |
|
|
// triangle4
|
| 349 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 350 |
|
|
$display("rd %h",rd);
|
| 351 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 352 |
|
|
pm = pm + 1;
|
| 353 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 354 |
|
|
$display("rd %h",rd);
|
| 355 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 356 |
|
|
pm = pm + 1;
|
| 357 |
|
|
$to_float32(rd,0.25);
|
| 358 |
|
|
$display("rd %h",rd);
|
| 359 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 360 |
|
|
pm = pm + 1;
|
| 361 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 362 |
|
|
$display("rd %h",rd);
|
| 363 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 364 |
|
|
pm = pm + 1;
|
| 365 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 366 |
|
|
$display("rd %h",rd);
|
| 367 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 368 |
|
|
pm = pm + 1;
|
| 369 |
|
|
$to_float32(rd,0.25);
|
| 370 |
|
|
$display("rd %h",rd);
|
| 371 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 372 |
|
|
pm = pm + 1;
|
| 373 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 374 |
|
|
$display("rd %h",rd);
|
| 375 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 376 |
|
|
pm = pm + 1;
|
| 377 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 378 |
|
|
$display("rd %h",rd);
|
| 379 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 380 |
|
|
pm = pm + 1;
|
| 381 |
|
|
$to_float32(rd,0.0);
|
| 382 |
|
|
$display("rd %h",rd);
|
| 383 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 384 |
|
|
pm = pm + 1;
|
| 385 |
|
|
// triangle5
|
| 386 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 387 |
|
|
$display("rd %h",rd);
|
| 388 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 389 |
|
|
pm = pm + 1;
|
| 390 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 391 |
|
|
$display("rd %h",rd);
|
| 392 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 393 |
|
|
pm = pm + 1;
|
| 394 |
|
|
$to_float32(rd,0.25);
|
| 395 |
|
|
$display("rd %h",rd);
|
| 396 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 397 |
|
|
pm = pm + 1;
|
| 398 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 399 |
|
|
$display("rd %h",rd);
|
| 400 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 401 |
|
|
pm = pm + 1;
|
| 402 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 403 |
|
|
$display("rd %h",rd);
|
| 404 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 405 |
|
|
pm = pm + 1;
|
| 406 |
|
|
$to_float32(rd,0.0);
|
| 407 |
|
|
$display("rd %h",rd);
|
| 408 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 409 |
|
|
pm = pm + 1;
|
| 410 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 411 |
|
|
$display("rd %h",rd);
|
| 412 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 413 |
|
|
pm = pm + 1;
|
| 414 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 415 |
|
|
$display("rd %h",rd);
|
| 416 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 417 |
|
|
pm = pm + 1;
|
| 418 |
|
|
$to_float32(rd,0.0);
|
| 419 |
|
|
$display("rd %h",rd);
|
| 420 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 421 |
|
|
pm = pm + 1;
|
| 422 |
|
|
// triangle6
|
| 423 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 424 |
|
|
$display("rd %h",rd);
|
| 425 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 426 |
|
|
pm = pm + 1;
|
| 427 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 428 |
|
|
$display("rd %h",rd);
|
| 429 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 430 |
|
|
pm = pm + 1;
|
| 431 |
|
|
$to_float32(rd,0.25);
|
| 432 |
|
|
$display("rd %h",rd);
|
| 433 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 434 |
|
|
pm = pm + 1;
|
| 435 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 436 |
|
|
$display("rd %h",rd);
|
| 437 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 438 |
|
|
pm = pm + 1;
|
| 439 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 440 |
|
|
$display("rd %h",rd);
|
| 441 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 442 |
|
|
pm = pm + 1;
|
| 443 |
|
|
$to_float32(rd,0.0);
|
| 444 |
|
|
$display("rd %h",rd);
|
| 445 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 446 |
|
|
pm = pm + 1;
|
| 447 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 448 |
|
|
$display("rd %h",rd);
|
| 449 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 450 |
|
|
pm = pm + 1;
|
| 451 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 452 |
|
|
$display("rd %h",rd);
|
| 453 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 454 |
|
|
pm = pm + 1;
|
| 455 |
|
|
$to_float32(rd,0.0);
|
| 456 |
|
|
$display("rd %h",rd);
|
| 457 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 458 |
|
|
pm = pm + 1;
|
| 459 |
|
|
// triangle7
|
| 460 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 461 |
|
|
$display("rd %h",rd);
|
| 462 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 463 |
|
|
pm = pm + 1;
|
| 464 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 465 |
|
|
$display("rd %h",rd);
|
| 466 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 467 |
|
|
pm = pm + 1;
|
| 468 |
|
|
$to_float32(rd,0.25);
|
| 469 |
|
|
$display("rd %h",rd);
|
| 470 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 471 |
|
|
pm = pm + 1;
|
| 472 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 473 |
|
|
$display("rd %h",rd);
|
| 474 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 475 |
|
|
pm = pm + 1;
|
| 476 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 477 |
|
|
$display("rd %h",rd);
|
| 478 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 479 |
|
|
pm = pm + 1;
|
| 480 |
|
|
$to_float32(rd,0.0);
|
| 481 |
|
|
$display("rd %h",rd);
|
| 482 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 483 |
|
|
pm = pm + 1;
|
| 484 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 485 |
|
|
$display("rd %h",rd);
|
| 486 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 487 |
|
|
pm = pm + 1;
|
| 488 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 489 |
|
|
$display("rd %h",rd);
|
| 490 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 491 |
|
|
pm = pm + 1;
|
| 492 |
|
|
$to_float32(rd,0.0);
|
| 493 |
|
|
$display("rd %h",rd);
|
| 494 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 495 |
|
|
pm = pm + 1;
|
| 496 |
|
|
// triangle8
|
| 497 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 498 |
|
|
$display("rd %h",rd);
|
| 499 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 500 |
|
|
pm = pm + 1;
|
| 501 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 502 |
|
|
$display("rd %h",rd);
|
| 503 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 504 |
|
|
pm = pm + 1;
|
| 505 |
|
|
$to_float32(rd,0.0);
|
| 506 |
|
|
$display("rd %h",rd);
|
| 507 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 508 |
|
|
pm = pm + 1;
|
| 509 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 510 |
|
|
$display("rd %h",rd);
|
| 511 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 512 |
|
|
pm = pm + 1;
|
| 513 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 514 |
|
|
$display("rd %h",rd);
|
| 515 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 516 |
|
|
pm = pm + 1;
|
| 517 |
|
|
$to_float32(rd,0.25);
|
| 518 |
|
|
$display("rd %h",rd);
|
| 519 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 520 |
|
|
pm = pm + 1;
|
| 521 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 522 |
|
|
$display("rd %h",rd);
|
| 523 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 524 |
|
|
pm = pm + 1;
|
| 525 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 526 |
|
|
$display("rd %h",rd);
|
| 527 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 528 |
|
|
pm = pm + 1;
|
| 529 |
|
|
$to_float32(rd,0.25);
|
| 530 |
|
|
$display("rd %h",rd);
|
| 531 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 532 |
|
|
pm = pm + 1;
|
| 533 |
|
|
// triangle9
|
| 534 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 535 |
|
|
$display("rd %h",rd);
|
| 536 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 537 |
|
|
pm = pm + 1;
|
| 538 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 539 |
|
|
$display("rd %h",rd);
|
| 540 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 541 |
|
|
pm = pm + 1;
|
| 542 |
|
|
$to_float32(rd,0.0);
|
| 543 |
|
|
$display("rd %h",rd);
|
| 544 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 545 |
|
|
pm = pm + 1;
|
| 546 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 547 |
|
|
$display("rd %h",rd);
|
| 548 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 549 |
|
|
pm = pm + 1;
|
| 550 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 551 |
|
|
$display("rd %h",rd);
|
| 552 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 553 |
|
|
pm = pm + 1;
|
| 554 |
|
|
$to_float32(rd,0.25);
|
| 555 |
|
|
$display("rd %h",rd);
|
| 556 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 557 |
|
|
pm = pm + 1;
|
| 558 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 559 |
|
|
$display("rd %h",rd);
|
| 560 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 561 |
|
|
pm = pm + 1;
|
| 562 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 563 |
|
|
$display("rd %h",rd);
|
| 564 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 565 |
|
|
pm = pm + 1;
|
| 566 |
|
|
$to_float32(rd,0.0);
|
| 567 |
|
|
$display("rd %h",rd);
|
| 568 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 569 |
|
|
pm = pm + 1;
|
| 570 |
|
|
// triangle10
|
| 571 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 572 |
|
|
$display("rd %h",rd);
|
| 573 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 574 |
|
|
pm = pm + 1;
|
| 575 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 576 |
|
|
$display("rd %h",rd);
|
| 577 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 578 |
|
|
pm = pm + 1;
|
| 579 |
|
|
$to_float32(rd,0.0);
|
| 580 |
|
|
$display("rd %h",rd);
|
| 581 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 582 |
|
|
pm = pm + 1;
|
| 583 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 584 |
|
|
$display("rd %h",rd);
|
| 585 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 586 |
|
|
pm = pm + 1;
|
| 587 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 588 |
|
|
$display("rd %h",rd);
|
| 589 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 590 |
|
|
pm = pm + 1;
|
| 591 |
|
|
$to_float32(rd,0.0);
|
| 592 |
|
|
$display("rd %h",rd);
|
| 593 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 594 |
|
|
pm = pm + 1;
|
| 595 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 596 |
|
|
$display("rd %h",rd);
|
| 597 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 598 |
|
|
pm = pm + 1;
|
| 599 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 600 |
|
|
$display("rd %h",rd);
|
| 601 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 602 |
|
|
pm = pm + 1;
|
| 603 |
|
|
$to_float32(rd,0.0);
|
| 604 |
|
|
$display("rd %h",rd);
|
| 605 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 606 |
|
|
pm = pm + 1;
|
| 607 |
|
|
// triangle11
|
| 608 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 609 |
|
|
$display("rd %h",rd);
|
| 610 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 611 |
|
|
pm = pm + 1;
|
| 612 |
|
|
$to_float32(rd,0.25+y_bias);
|
| 613 |
|
|
$display("rd %h",rd);
|
| 614 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 615 |
|
|
pm = pm + 1;
|
| 616 |
|
|
$to_float32(rd,0.0);
|
| 617 |
|
|
$display("rd %h",rd);
|
| 618 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 619 |
|
|
pm = pm + 1;
|
| 620 |
|
|
$to_float32(rd,0.25+x_bias);
|
| 621 |
|
|
$display("rd %h",rd);
|
| 622 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 623 |
|
|
pm = pm + 1;
|
| 624 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 625 |
|
|
$display("rd %h",rd);
|
| 626 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 627 |
|
|
pm = pm + 1;
|
| 628 |
|
|
$to_float32(rd,0.0);
|
| 629 |
|
|
$display("rd %h",rd);
|
| 630 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 631 |
|
|
pm = pm + 1;
|
| 632 |
|
|
$to_float32(rd,-0.25+x_bias);
|
| 633 |
|
|
$display("rd %h",rd);
|
| 634 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 635 |
|
|
pm = pm + 1;
|
| 636 |
|
|
$to_float32(rd,-0.25+y_bias);
|
| 637 |
|
|
$display("rd %h",rd);
|
| 638 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 639 |
|
|
pm = pm + 1;
|
| 640 |
|
|
$to_float32(rd,0.0);
|
| 641 |
|
|
$display("rd %h",rd);
|
| 642 |
|
|
u_sram_slave.u_memory.mem[pm] = rd;
|
| 643 |
|
|
pm = pm + 1;
|
| 644 |
|
|
reg_write('h0c,'hf,12*3*3); // DMA size 12triangle *3vertex*3
|
| 645 |
|
|
reg_write('h04,'hf,'h10); // DMA mask
|
| 646 |
|
|
reg_write('h01,'hf,1); // DMA start
|
| 647 |
|
|
while (!o_int)
|
| 648 |
|
|
@(posedge clk_core);
|
| 649 |
|
|
reg_write('h04,'hf,0); // int clear
|
| 650 |
|
|
end
|
| 651 |
|
|
endtask
|
| 652 |
|
|
|
| 653 |
|
|
|
| 654 |
|
|
task save_frame_buffer;
|
| 655 |
|
|
input [25:0] adrs;
|
| 656 |
|
|
input [15:0] width;
|
| 657 |
|
|
input [15:0] height;
|
| 658 |
|
|
input [64*8:1] file_name;
|
| 659 |
|
|
integer x;
|
| 660 |
|
|
integer y;
|
| 661 |
|
|
integer fp;
|
| 662 |
|
|
reg [1:0] stat;
|
| 663 |
|
|
reg hw_sel;
|
| 664 |
|
|
reg [1:0] bank_sel;
|
| 665 |
|
|
reg [25:0] adr_pix;
|
| 666 |
|
|
|
| 667 |
|
|
reg [31:0] tmp_data32;
|
| 668 |
|
|
reg [7:0] tmp_data;
|
| 669 |
|
|
reg [7:0] cr;
|
| 670 |
|
|
reg [7:0] cg;
|
| 671 |
|
|
reg [7:0] cb;
|
| 672 |
|
|
reg [7:0] ca;
|
| 673 |
|
|
begin
|
| 674 |
|
|
$display("saving rendering result...");
|
| 675 |
|
|
fp = $fopen(file_name);
|
| 676 |
|
|
for (y = 0; y < height; y = y + 1) begin
|
| 677 |
|
|
for (x = 0; x < width; x = x + 1) begin
|
| 678 |
|
|
adr_pix = adrs + width * y + x; // per 8bit (per pixel)
|
| 679 |
|
|
|
| 680 |
|
|
tmp_data32 = top.u_sram_slave.u_memory.mem[adr_pix[25:2]];
|
| 681 |
|
|
case (adr_pix[1:0])
|
| 682 |
|
|
2'b00:tmp_data = tmp_data32[7:0];
|
| 683 |
|
|
2'b01:tmp_data = tmp_data32[15:8];
|
| 684 |
|
|
2'b10:tmp_data = tmp_data32[23:16];
|
| 685 |
|
|
2'b11:tmp_data = tmp_data32[31:24];
|
| 686 |
|
|
endcase // case (adr_pix[1:0])
|
| 687 |
|
|
//RGB = 2:3:3
|
| 688 |
|
|
cr = {4{tmp_data[7:6]}};
|
| 689 |
|
|
cg = {tmp_data[5:3],tmp_data[5:3],tmp_data[5:2]};
|
| 690 |
|
|
cb = {tmp_data[2:0],tmp_data[2:0],tmp_data[2:1]};
|
| 691 |
|
|
ca = 8'hff;
|
| 692 |
|
|
$fwrite(fp,"%h\n", {ca,cb,cg,cr});
|
| 693 |
|
|
end
|
| 694 |
|
|
end
|
| 695 |
|
|
$fclose(fp);
|
| 696 |
|
|
end
|
| 697 |
|
|
endtask
|
| 698 |
|
|
endmodule
|
