--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/old/framebuffer/Makefile	Thu Sep 30 22:50:35 2010 +0900
@@ -0,0 +1,8 @@
+all: fb_info fb_test
+
+CC = gcc -std=c99 -O2
+fb_info : fb_info.o cp_fb.o cp_vt.o
+	$(CC) -o  $@ $+
+
+fb_test : fb_test.o  cp_fb.o cp_vt.o -lm
+	$(CC) -o  $@ $+

--- a/old/framebuffer/fb_test-1.c	Fri Oct 01 22:13:11 2010 +0900
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,198 +0,0 @@
-// fb_test.c 
-// Simple test application. Draw something to the frame buffer. 
-//
-// Copyright (c) 2006, Mike Acton <macton@cellperformance.com>
-// 
-// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
-// documentation files (the "Software"), to deal in the Software without restriction, including without
-// limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so, subject to the following
-// conditions:
-//
-// The above copyright notice and this permission notice shall be included in all copies or substantial
-// portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
-// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
-// EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
-// OR OTHER DEALINGS IN THE SOFTWARE.
-
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include "cp_vt.h"
-#include "cp_fb.h"
-
-void write_hline_gouraud_ABGR8888( int32_t x0, int32_t x1, uint32_t left_rgba, uint32_t right_rgba, void* dest_buffer, uint16_t stride );
-
-int 
-main( void )
-{
-    cp_vt vt;
-    cp_fb fb;
-
-    cp_vt_open_graphics(&vt);
-    cp_fb_open(&fb);
-
-    uint32_t frame_ndx        = 0;
-    float    sprite_t         = 0.0f;
-    float    sprite_prev_t[2] = { 0.0f, 0.0f }; 
-
-    // A little example display.
- 
-    for (uint32_t y_last = 1; y_last < fb.h; y_last++)
-    {
-        uint32_t* const restrict frame_top = (uint32_t*)fb.draw_addr[ frame_ndx ];
-
-        // Clear the background
-
-        memset( frame_top, 0x00, fb.h * fb.stride * 4 );
-
-        // Draw a rectangle that grows from top to bottom
-
-        for (uint32_t y = 0; y < y_last; y++ )
-        {
-            uint32_t* const restrict next_line = frame_top + ( fb.stride * y );
-
-            write_hline_gouraud_ABGR8888( 0,       64-1,      0x00ff0000, 0x00f0f000, next_line, fb.w );
-            write_hline_gouraud_ABGR8888( 64,      fb.w-64-1, 0x0000ff00, 0x000000ff, next_line, fb.w );
-            write_hline_gouraud_ABGR8888( fb.w-64, fb.w-1,    0x00ff00ff, 0x0000f0f0, next_line, fb.w );
-        }
-
-        // Draw a little sprite on a sine wave. 
-
-        sprite_t                    += 0.08f; // Update position
-        sprite_prev_t [ frame_ndx ]  = sprite_t; 
-
-        {
-            float    sprite_amp    = sinf( sprite_t );
-            uint32_t sprite_left   = (uint32_t)(sprite_t * 0.03f * (float)fb.w);
-            uint32_t sprite_top    = (fb.h>>1) + (uint32_t)(sprite_amp * (float)((fb.h-128)>>1));
-            uint32_t sprite_right  = sprite_left + 64;
-            uint32_t sprite_bottom = sprite_top  + 64;
-            uint32_t sprite_middle = sprite_left + (( sprite_right - sprite_left ) >> 1);
-            uint32_t sprite_cr      = ( (uint32_t)(sprite_amp * 127.0f) + 128 ) & 0x000000ff;
-            uint32_t sprite_cg      = ( (uint32_t)(sprite_amp * 127.0f) + 128 ) & 0x000000ff;
-            uint32_t sprite_cb      = ( (uint32_t)(sprite_amp * 127.0f) + 128 ) & 0x000000ff;
-            uint32_t sprite_crgb    = sprite_cr | ( sprite_cg << 8 ) | ( sprite_cb << 16 );
-
-            for (uint32_t y = sprite_top;y < sprite_bottom;y++)
-            {
-                uint32_t* const restrict next_line = frame_top + ( fb.stride * y );
-
-                write_hline_gouraud_ABGR8888( sprite_left,   sprite_middle-1, 0x007f1e00,  sprite_crgb, next_line, fb.w );
-                write_hline_gouraud_ABGR8888( sprite_middle, sprite_right-1,  sprite_crgb, 0x001e7f00,  next_line, fb.w );
-            }
-
-        }
-
-        // At the vsync, the previous frame is finished sending to the CRT
-        cp_fb_wait_vsync( &fb );
-
-        // Send the frame just drawn to the CRT by the next vblank
-        cp_fb_flip( &fb, frame_ndx );
-
-        frame_ndx  = frame_ndx ^ 0x01;
-    }
-
-    cp_vt_close(&vt);
-    cp_fb_close(&fb);
-
-    return (0);
-}
-
-void 
-write_hline_gouraud_ABGR8888( int32_t x0, int32_t x1, uint32_t left_rgba, uint32_t right_rgba, void* dest_buffer, uint16_t width )
-{
-  uint32_t left_r;
-  uint32_t left_g;
-  uint32_t left_b;
-  uint32_t left_a;
-
-  uint32_t step_r;
-  uint32_t step_g;
-  uint32_t step_b;
-  uint32_t step_a;
-
-  if ( (x1-x0+1) == 0 )
-  {
-    return;
-  }
-
-  /* Setup rgbas */
-  {
-    uint32_t right_r;
-    uint32_t right_g;
-    uint32_t right_b;
-    uint32_t right_a;
-    uint32_t step_scale;
-
-    left_r     = ( ( left_rgba       ) & 0x000000ff );
-    left_g     = ( ( left_rgba >> 8  ) & 0x000000ff );
-    left_b     = ( ( left_rgba >> 16 ) & 0x000000ff );
-    left_a     = ( ( left_rgba >> 24 ) & 0x000000ff );
-
-    right_r    = ( ( right_rgba       ) & 0x000000ff );
-    right_g    = ( ( right_rgba >> 8  ) & 0x000000ff );
-    right_b    = ( ( right_rgba >> 16 ) & 0x000000ff );
-    right_a    = ( ( right_rgba >> 24 ) & 0x000000ff );
-
-    step_scale = (1<<16) / (x1-x0+1);
-    step_r     = ( ( right_r - left_r ) * step_scale );
-    step_g     = ( ( right_g - left_g ) * step_scale );
-    step_b     = ( ( right_b - left_b ) * step_scale );
-    step_a     = ( ( right_a - left_a ) * step_scale );
-
-    left_r   <<= 16;
-    left_g   <<= 16;
-    left_b   <<= 16;
-    left_a   <<= 16;
-
-    left_r    += (1<<16)>>1;
-    left_g    += (1<<16)>>1;
-    left_b    += (1<<16)>>1;
-    left_a    += (1<<16)>>1;
-  }
-
-  /* Write to buffer */
-  {
-    uint32_t* restrict dest_pixel;
-    int32_t            x;
-
-    if ( x0 < 0 )
-    {
-      left_r += step_r * (-x0);
-      left_g += step_g * (-x0);
-      left_b += step_b * (-x0);
-      left_a += step_a * (-x0);
-      x0 = 0;
-    }
-
-    if ( x1 >= (int32_t)width )
-    {
-      x1 = width-1;
-    }
-
-    dest_pixel = (uint32_t*)dest_buffer + x0;
-
-    for (x=x0;x<=x1;x++)
-    {
-      uint32_t rgba;
-
-      rgba  = ( ( left_b >> 16 ) & 0x000000ff );
-      rgba |= ( ( left_g >> 16 ) & 0x000000ff ) << 8;
-      rgba |= ( ( left_r >> 16 ) & 0x000000ff ) << 16;
-      rgba |= ( ( left_a >> 16 ) & 0x000000ff ) << 24;
-
-      *dest_pixel = rgba;
-      dest_pixel++;
-
-      left_r += step_r;
-      left_g += step_g;
-      left_b += step_b;
-      left_a += step_a;
-    }
-  }
-}