Subversion Repositories wf3d

//=======================================================================

// Project Monophony

//   Wire-Frame 3D Graphics Accelerator IP Core

//

// File:

//   simple_cube.c

//

// Abstract:

//   simple rendering sample

//

// Author:

//   Kenji Ishimaru (kenji.ishimaru@prtissimo.com)

//

//======================================================================

//

// Copyright (c) 2015, Kenji Ishimaru

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are met:

//

//  -Redistributions of source code must retain the above copyright notice,

//   this list of conditions and the following disclaimer.

//  -Redistributions in binary form must reproduce the above copyright notice,

//   this list of conditions and the following disclaimer in the documentation

//   and/or other materials provided with the distribution.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//

// Revision History

#include <stdio.h>

#include <unistd.h>

#include <system.h>

#include "mp_lib.h"

#include "mp_hwdep.h"

float triangle[] = {

  // front

  0.25,  0.25, 0.25,  // triangle0

  -0.25,  0.25, 0.25,

  -0.25, -0.25, 0.25,

   0.25,  0.25, 0.25,  // triangle1

  -0.25, -0.25, 0.25,

   0.25, -0.25, 0.25,

  // top

   0.25,  0.25, 0.0,      // triangle0

  -0.25,  0.25, 0.0,

  -0.25,  0.25, 0.25,

   0.25,  0.25, 0.0,      // triangle1

  -0.25,  0.25, 0.25,

   0.25,  0.25, 0.25,

  // bottom

   0.25, -0.25, 0.25,  // triangle0

  -0.25, -0.25, 0.25,

  -0.25, -0.25, 0,

  0.25, -0.25, 0.25,  // triangle1

  -0.25, -0.25, 0,

  0.25, -0.25, 0,

  // left

  -0.25, 0.25, 0.25,  // triangle0

  -0.25, 0.25, 0,

  -0.25, -0.25, 0,

  -0.25, 0.25, 0.25,  // triangle1

  -0.25, -0.25, 0,

  -0.25, -0.25, 0.25,

  // right

  0.25, 0.25, 0,  // triangle0

  0.25, 0.25, 0.25,

  0.25, -0.25, 0.25,

  0.25, 0.25, 0,  // triangle1

  0.25, -0.25, 0.25,

  0.25, -0.25, 0,

  // back

  -0.25, 0.25, 0,  // triangle0

  0.25, 0.25, 0,

  0.25, -0.25, 0,

  -0.25, 0.25, 0,  // triangle1

  0.25, -0.25, 0,

  -0.25, -0.25, 0

};

void mp_loop() {

  int i;

  int frame  = 0;

  mpClearColor(0.1, 0.1, 0.1);

  mpViewport(640, 480);

  mpMatrixMode(MP_PROJECTION);

  mpPerspective(30.0, 4.0 / 3.0, 1, 100);

  mpVertexPointer(triangle);

  while(1) {

    for (i = 0; i <360; i++) {

      printf("frame %d\n",frame++);

      mpClear();

      mpMatrixMode(MP_MODELVIEW);

      mpLoadIdentity();

      mpLookAt(0, 0, 1, 0, 0, 0, 0, 1, 0);

      mpTranslate(0, 0, -2);

      mpRotate(i, 1, 0, 0);

      mpRotate(i, 0, 0, 1);

      mpDrawArrays(36);//12 triangles

      mpSwapBuffers();

    }

  }

}

int main()

{

  printf("Hello from Nios II!\n");

  buffer_clear(0x00000000,0);

  buffer_clear(0x00000000,1);

  mpInit();

  mp_loop();

  return 0;

}