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8c27932c5f6366a2b1462f940400c66939f95bab
mips/src/blittertest.c
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jens a655e1c5d9 - use build in data types 
git-svn-id: http://moon:8086/svn/mips@35 a8ebac50-d88d-4704-bea3-6648445a41b3
2015-05-28 19:19:01 +00:00

496 lines
16 KiB
C
Raw Blame History

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <sys/times.h>
#include <sys/time.h>
#include "libsys.h"
#include "gpio.h"
#include "mips_gfx.h"
#define PIC_NX 800
#define PIC_NY 600
gpio_if_t gpio_if;
box_t box;
gfx_t gfx;
uint32_t color_cycle[12] = {0x000000FF, 0x00808080, 0x0000FFFF, 0x00808080, 0x0000FF00, 0x00808080, 0x00FFFF00, 0x00808080, 0x00FF0000, 0x00808080, 0x00FF00FF, 0x00808080};
volatile uint32_t _g_blitter_rdy;
volatile uint32_t _g_blit_count;
void ISR_blitter_FIN(void)
{
uint32_t volatile *pVGA_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_ADDR;
uint32_t volatile *pVGA_dst = (uint32_t*)SYS_VGA_BLIT_DST_ADDR;
uint32_t volatile *pVGA_dimx_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_DIMX;
uint32_t volatile *pVGA_dimx_dst = (uint32_t*)SYS_VGA_BLIT_DST_DIMX;
uint32_t volatile *pVGA_nx = (uint32_t*)SYS_VGA_BLIT_NX;
uint32_t volatile *pVGA_ny = (uint32_t*)SYS_VGA_BLIT_NY;
uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
uint32_t volatile *pVGA_moffs_0 = (uint32_t*)SYS_VGA_FB_FRONT;
uint32_t volatile *pVGA_const_color = (uint32_t*)SYS_VGA_BLIT_COLOR;
uint32_t volatile *pGPIO = (uint32_t*)SYS_GPIO_0_DATA;
static uint32_t color;
// Ack
if(_g_blit_count)
{
do
{
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_REQ | SYS_VGA_BIT_BLIT_FIN_ACK;
*pVGA_const_color = color;
color = ~color;
_g_blit_count--;
} while (!(*pVGA_ctrl & SYS_VGA_BIT_BLIT_BSY) & _g_blit_count);
}
else
{
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_ACTIVE);
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_FIN_ACK;
_g_blitter_rdy = 1;
}
// fprintf(stderr, "ISR_blitter_FIN(): _g_blit_count=%d\n", _g_blit_count);
}
void ISR_blitter_EMPTY(void)
{
uint32_t volatile *pVGA_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_ADDR;
uint32_t volatile *pVGA_dst = (uint32_t*)SYS_VGA_BLIT_DST_ADDR;
uint32_t volatile *pVGA_dimx_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_DIMX;
uint32_t volatile *pVGA_dimx_dst = (uint32_t*)SYS_VGA_BLIT_DST_DIMX;
uint32_t volatile *pVGA_nx = (uint32_t*)SYS_VGA_BLIT_NX;
uint32_t volatile *pVGA_ny = (uint32_t*)SYS_VGA_BLIT_NY;
uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
uint32_t volatile *pVGA_moffs_0 = (uint32_t*)SYS_VGA_FB_FRONT;
uint32_t volatile *pVGA_const_color = (uint32_t*)SYS_VGA_BLIT_COLOR;
uint32_t volatile *pGPIO = (uint32_t*)SYS_GPIO_0_DATA;
static uint32_t color;
// Ack
if(_g_blit_count)
{
do
{
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_REQ | SYS_VGA_BIT_BLIT_EMPTY_ACK;
*pVGA_const_color = color;
color = ~color;
_g_blit_count--;
} while (!(*pVGA_ctrl & SYS_VGA_BIT_BLIT_BSY) & _g_blit_count);
}
else
{
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_ACTIVE);
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_EMPTY_ACK;
_g_blitter_rdy = 1;
}
// fprintf(stderr, "ISR_blitter_EMPTY(): _g_blit_count=%d\n", _g_blit_count);
}
void BlitWaitStillActive(void);
void BlitConstColor(uint32_t fb_addr, uint32_t dim_x, uint32_t pos_x, uint32_t pos_y, uint32_t size_x, uint32_t size_y, uint32_t color);
void Blit(uint32_t fb_addr, uint32_t dim_x, uint32_t pos_x_src, uint32_t pos_y_src, uint32_t pos_x_dst, uint32_t pos_y_dst, uint32_t size_x, uint32_t size_y);
// -------------------------------------------------------------
void LoadPic(uint64_t *pScreen, uint32_t screen_nx, uint32_t screen_ny, uint32_t *pImage, uint32_t image_nx, uint32_t image_ny, uint32_t image_scale_x, uint32_t image_scale_y)
{
uint32_t off_x, off_y;
uint32_t i, j, black;
uint32_t *pScr, *pImg;
off_x = (screen_nx-(image_scale_x*image_nx))/2;
off_y = (screen_ny-(image_scale_y*image_ny))/2;
black = 0;
pScr = (uint32_t*)pScreen;
for (i=0; i < screen_nx*screen_ny; i += 8)
{
__gfx_block_set_8(pScr, 0);
pScr += 8;
}
if (!pImage)
return;
pScr = ((uint32_t*)pScreen) + screen_nx*off_y + off_x;
pImg = pImage;
for (i=0; i < image_ny*image_nx; i += 8)
{
__gfx_block_copy_8(pScr, pImg);
pScr += 8;
pImg += 8;
}
/*
uint32_t off_x, off_y;
uint32_t i;
uint32_t *pScr;
off_x = (screen_nx-(image_scale_x*image_nx))/2;
off_y = (screen_ny-(image_scale_y*image_ny))/2;
memset(pScreen, 0, screen_nx*screen_ny*sizeof(uint32_t));
pScr = ((uint32_t*)pScreen) + screen_nx*off_y + off_x;
for (i=0; i < image_ny; i++)
{
memcpy(pScr, &pImage[i*image_nx], image_nx*sizeof(uint32_t));
pScr += screen_nx;
}
*/
}
int main (void)
{
int result, i, j, cnt, size, num_runs;
uint32_t volatile *pUART_baud = (uint32_t*)SYS_UART_BAUD;
uint32_t volatile *pUART_stat = (uint32_t*)SYS_UART_STAT;
uint32_t volatile *pGPIO = (uint32_t*)SYS_GPIO_0_DATA;
uint32_t volatile *pReg_usec = (uint32_t*)SYS_TIMER_USEC;
uint32_t volatile *pReg_sec = (uint32_t*)SYS_TIMER_SEC;
uint32_t volatile *pSSRAM = (uint32_t*)SYS_SSRAM_IO;
uint32_t volatile *pTim_ctrl = (uint32_t*)SYS_ITIM_CTRL;
uint32_t volatile *pTim_stat = (uint32_t*)SYS_ITIM_STAT;
uint32_t volatile *pTim0_cnt = (uint32_t*)SYS_ITIM0_CNT;
uint32_t volatile *pTim0_cmp = (uint32_t*)SYS_ITIM0_CMP;
uint32_t volatile *pTim1_cnt = (uint32_t*)SYS_ITIM1_CNT;
uint32_t volatile *pTim1_cmp = (uint32_t*)SYS_ITIM1_CMP;
uint32_t volatile *pVGA_cgcol = (uint32_t*)SYS_VGA_CGCOL;
uint32_t volatile *pFlashPicture = (uint32_t*)(SYS_FLASH_MEM + 0x00600000);
uint32_t volatile *pVGA_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_ADDR;
uint32_t volatile *pVGA_dst = (uint32_t*)SYS_VGA_BLIT_DST_ADDR;
uint32_t volatile *pVGA_dimx_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_DIMX;
uint32_t volatile *pVGA_dimx_dst = (uint32_t*)SYS_VGA_BLIT_DST_DIMX;
uint32_t volatile *pVGA_nx = (uint32_t*)SYS_VGA_BLIT_NX;
uint32_t volatile *pVGA_ny = (uint32_t*)SYS_VGA_BLIT_NY;
uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
uint32_t volatile *pVGA_moffs_0 = (uint32_t*)SYS_VGA_FB_FRONT;
uint32_t volatile *pVGA_const_color = (uint32_t*)SYS_VGA_BLIT_COLOR;
uint32_t screen_res_x, screen_res_y, screen_fps;
uint32_t pos, posx, posy, xoff, yoff, color;
uint64_t *pBuf64_0, *pBuf64_1;
time_t curr_date;
struct tm *pDate, date;
uint32_t start, end;
char sel[80];
struct timeval time_sec;
Screen_clr();
gpio_init(&gpio_if, SYS_GPIO_0_BASE);
*pVGA_cgcol = 0x00FFFFFF;
setbuf(stdout, NULL);
gpio_write(&gpio_if, GPIO_0_MDIO_RST, GPIO_0_ALIGN_MDIO, GPIO_DATA_OFFSET, 1);
sleep(100);
gpio_write(&gpio_if, GPIO_0_MDIO_RST, GPIO_0_ALIGN_MDIO, GPIO_DATA_OFFSET, 0);
printf("\n");
interrupt_enable(5);
GFX_init(&gfx);
num_runs = 5000*512;
size = 1;
while(1)
{
fprintf(stdout, "----------------------------------------------------\n");
fprintf(stdout, "Size = %d\n", size);
fprintf(stdout, "----------------------------------------------------\n");
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*pVGA_ctrl &= ~SYS_VGA_BIT_BLIT_FIN_INTEN;
*pVGA_ctrl &= ~SYS_VGA_BIT_BLIT_EMPTY_INTEN;
box_create(&box, size, size);
start = clock();
for (i=0; i < num_runs/(8*size); i++)
{
GFX_box_draw_direct(&gfx, &box, 5, 5, color_cycle[i%12]);
}
end = clock();
fprintf(stdout, "Software draw: Fillrate %f rect/s\n", (float)i/((float)(end-start)/CLOCKS_PER_SEC));
sleep(500);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*pVGA_dimx_src0 = 800;
*pVGA_dimx_dst = 800;
*pVGA_nx = box.w;
*pVGA_ny = box.h;
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_OP_CONSTCOL;
*pVGA_dst = (uint32_t)*pVGA_moffs_0 + 4*(5 + 800*5);// + 4*((uint32_t)rand()%800 + 800*((uint32_t)rand()%600));
color = 0;
start = clock();
for (i=0; i < num_runs/size; i++)
{
// Blitter test
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_BSY);
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_REQ;
*pVGA_const_color = color;
color = ~color;
}
BlitWaitStillActive();
end = clock();
fprintf(stdout, "Hardware draw (polling): Fillrate %f rect/s\n", (float)i/((float)(end-start)/CLOCKS_PER_SEC));
sleep(500);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
interrupt_register(5, (void*)ISR_blitter_FIN);
interrupt_enable(5);
_g_blit_count = num_runs/size;
_g_blitter_rdy = 0;
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_FIN_ACK)
{
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_FIN_ACK;
}
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_FIN_INTEN;
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_FIN_ACK;
start = clock();
while (!_g_blitter_rdy);
end = clock();
fprintf(stdout, "Hardware draw (interrupt, single): Fillrate %f rect/s\n", (float)i/((float)(end-start)/CLOCKS_PER_SEC));
sleep(500);
interrupt_disable(5);
*pVGA_ctrl &= ~SYS_VGA_BIT_BLIT_FIN_INTEN;
*pVGA_ctrl &= ~SYS_VGA_BIT_BLIT_EMPTY_INTEN;
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
interrupt_register(5, (void*)ISR_blitter_EMPTY);
interrupt_enable(5);
_g_blit_count = num_runs/size;
_g_blitter_rdy = 0;
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_EMPTY_ACK)
{
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_EMPTY_ACK;
}
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_EMPTY_INTEN;
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_EMPTY_ACK;
start = clock();
while (!_g_blitter_rdy);
end = clock();
fprintf(stdout, "Hardware draw (interrupt, multi): Fillrate %f rect/s\n", (float)i/((float)(end-start)/CLOCKS_PER_SEC));
sleep(500);
interrupt_disable(5);
*pVGA_ctrl &= ~SYS_VGA_BIT_BLIT_FIN_INTEN;
*pVGA_ctrl &= ~SYS_VGA_BIT_BLIT_EMPTY_INTEN;
// GFX_set_background(&gfx, pFlashPicture, 800, 600, 1, 1);
posx = posy = 0;
GFX_show(&gfx);
color = 0;
for (i=0; i < 32; i++)
{
GFX_frame(&gfx, GFX_FRAME_SYNC);
color = ~color;
box_create(&box, 64-2*i, 64-2*i);
xoff = 100;
yoff = 0;
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff+i, color);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+100+i, yoff+i, box.w, box.h, color);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+201+i, yoff+i, box.w, box.h, color);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff+i, yoff+i, xoff+300+i, yoff+i, box.w, box.h);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff+i, yoff+i, xoff+401+i, yoff+i, box.w, box.h);
box_create(&box, 63-2*i, 63-2*i);
xoff = 100;
yoff = 100;
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff+i, color);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+100+i, yoff+i, box.w, box.h, color);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+201+i, yoff+i, box.w, box.h, color);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff+i, yoff+i, xoff+300+i, yoff+i, box.w, box.h);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff+i, yoff+i, xoff+401+i, yoff+i, box.w, box.h);
xoff = 100;
yoff = 200;
box_create(&box, 65-2*i, 65-2*i);
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff+i, color);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+100+i, yoff+i, box.w, box.h, color);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+201+i, yoff+i, box.w, box.h, color);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff+i, yoff+i, xoff+300+i, yoff+i, box.w, box.h);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff+i, yoff+i, xoff+401+i, yoff+i, box.w, box.h);
}
GFX_frame(&gfx, GFX_FRAME_SYNC);
xoff = 0;
yoff = 300;
box_create(&box, 1, 64);
for (i=0; i < 64; i++)
{
color = color_cycle[i%12];
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff, color);
}
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff, yoff+65, 64, 64);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff+1, yoff+65+65, 64, 64);
xoff = 81;
yoff = 300;
box_create(&box, 1, 64);
for (i=0; i < 64; i++)
{
color = color_cycle[i%12];
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff, color);
}
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff, yoff+65, 64, 64);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff+1, yoff+65+65, 64, 64);
xoff = 160;
yoff = 300;
box_create(&box, 1, 63);
for (i=0; i < 63; i++)
{
color = color_cycle[i%12];
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff, color);
}
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff, yoff+64, 63, 63);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff+1, yoff+64+64, 63, 63);
xoff = 241;
yoff = 300;
box_create(&box, 1, 63);
for (i=0; i < 63; i++)
{
color = color_cycle[i%12];
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff, color);
}
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff, yoff+64, 63, 63);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff+1, yoff+64+64, 63, 63);
xoff = 320;
yoff = 300;
box_create(&box, 1, 65);
for (i=0; i < 65; i++)
{
color = color_cycle[i%12];
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff, color);
}
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff, yoff+66, 65, 65);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff+1, yoff+66+66, 65, 65);
xoff = 401;
yoff = 300;
box_create(&box, 1, 65);
for (i=0; i < 65; i++)
{
color = color_cycle[i%12];
GFX_box_draw_direct(&gfx, &box, xoff+i, yoff, color);
}
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff, yoff+66, 65, 65);
Blit((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, xoff+1, yoff+66+66, 65, 65);
xoff = 10;
yoff = 500;
box_create(&box, 64, 1);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, box.w, box.h, 0xFFFFFFFF);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+1, yoff+2, box.w, box.h, 0xFFFFFFFF);
xoff = 80;
yoff = 500;
box_create(&box, 1, 64);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff, yoff, box.w, box.h, 0xFFFFFFFF);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+10, yoff, box.w, box.h, 0xFFFFFFFF);
BlitConstColor((uint32_t)*pVGA_moffs_0, 800, xoff+21, yoff, box.w, box.h, 0xFFFFFFFF);
size++;
if (size > 256)
size = 1;
}
}
void BlitConstColor(uint32_t fb_addr, uint32_t dim_x, uint32_t pos_x, uint32_t pos_y, uint32_t size_x, uint32_t size_y, uint32_t color)
{
uint32_t volatile *pVGA_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_ADDR;
uint32_t volatile *pVGA_dst = (uint32_t*)SYS_VGA_BLIT_DST_ADDR;
uint32_t volatile *pVGA_dimx_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_DIMX;
uint32_t volatile *pVGA_dimx_dst = (uint32_t*)SYS_VGA_BLIT_DST_DIMX;
uint32_t volatile *pVGA_nx = (uint32_t*)SYS_VGA_BLIT_NX;
uint32_t volatile *pVGA_ny = (uint32_t*)SYS_VGA_BLIT_NY;
uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
uint32_t volatile *pVGA_moffs_0 = (uint32_t*)SYS_VGA_FB_FRONT;
uint32_t volatile *pVGA_const_color = (uint32_t*)SYS_VGA_BLIT_COLOR;
// fprintf(stdout, "BlitConstColor to (%d,%d), size (%d,%d) ...", pos_x, pos_y, size_x, size_y);
*pVGA_const_color = color;
*pVGA_dst = fb_addr + 4*(pos_x + pos_y*dim_x);
*pVGA_dimx_dst = dim_x;
*pVGA_nx = size_x - 0;
*pVGA_ny = size_y - 0;
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_BSY);
*pVGA_ctrl |= (SYS_VGA_BIT_BLIT_REQ | SYS_VGA_BIT_BLIT_OP_CONSTCOL);
// fprintf(stdout, "done\n");
}
void Blit(uint32_t fb_addr, uint32_t dim_x, uint32_t pos_x_src, uint32_t pos_y_src, uint32_t pos_x_dst, uint32_t pos_y_dst, uint32_t size_x, uint32_t size_y)
{
uint32_t volatile *pVGA_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_ADDR;
uint32_t volatile *pVGA_dst = (uint32_t*)SYS_VGA_BLIT_DST_ADDR;
uint32_t volatile *pVGA_dimx_src0 = (uint32_t*)SYS_VGA_BLIT_SRC0_DIMX;
uint32_t volatile *pVGA_dimx_dst = (uint32_t*)SYS_VGA_BLIT_DST_DIMX;
uint32_t volatile *pVGA_nx = (uint32_t*)SYS_VGA_BLIT_NX;
uint32_t volatile *pVGA_ny = (uint32_t*)SYS_VGA_BLIT_NY;
uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
uint32_t volatile *pVGA_moffs_0 = (uint32_t*)SYS_VGA_FB_FRONT;
uint32_t volatile *pVGA_const_color = (uint32_t*)SYS_VGA_BLIT_COLOR;
// fprintf(stdout, "Blit from (%d,%d) to (%d,%d), size (%d,%d) ...", pos_x_src, pos_y_src, pos_x_dst, pos_y_dst, size_x, size_y);
*pVGA_src0 = fb_addr + 4*(pos_x_src + pos_y_src*dim_x);
*pVGA_dimx_src0 = dim_x;
*pVGA_dst = fb_addr + 4*(pos_x_dst + pos_y_dst*dim_x);
*pVGA_dimx_dst = dim_x;
*pVGA_nx = size_x - 0;
*pVGA_ny = size_y - 0;
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_BSY);
*pVGA_ctrl &= ~SYS_VGA_BIT_BLIT_OP_CONSTCOL;
*pVGA_ctrl |= SYS_VGA_BIT_BLIT_REQ;
// fprintf(stdout, "done\n");
}
void BlitWaitStillActive(void)
{
uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
while (*pVGA_ctrl & SYS_VGA_BIT_BLIT_ACTIVE);
}
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