homebrewfilter/installer/source/video.c
Christopher Roy Bratusek c271b85907 added HBF-Installer to GIT
2011-10-15 17:31:29 +02:00

140 lines
2.4 KiB
C

#include <stdio.h>
#include <ogcsys.h>
#include "video.h"
/* Video variables */
static void *framebuffer = NULL;
static GXRModeObj *vmode = NULL;
void Con_Init(u32 x, u32 y, u32 w, u32 h)
{
/* Create console in the framebuffer */
CON_InitEx(vmode, x, y, w, h);
}
void Con_Clear(void)
{
/* Clear console */
printf("\x1b[2J");
fflush(stdout);
}
void Con_ClearLine(void)
{
s32 cols, rows;
u32 cnt;
printf("\r");
fflush(stdout);
/* Get console metrics */
CON_GetMetrics(&cols, &rows);
/* Erase line */
for (cnt = 1; cnt < cols; cnt++) {
printf(" ");
fflush(stdout);
}
printf("\r");
fflush(stdout);
}
void Con_FgColor(u32 color, u8 bold)
{
/* Set foreground color */
printf("\x1b[%u;%um", color + 30, bold);
fflush(stdout);
}
void Con_BgColor(u32 color, u8 bold)
{
/* Set background color */
printf("\x1b[%u;%um", color + 40, bold);
fflush(stdout);
}
void Con_FillRow(u32 row, u32 color, u8 bold)
{
s32 cols, rows;
u32 cnt;
/* Set color */
printf("\x1b[%u;%um", color + 40, bold);
fflush(stdout);
/* Get console metrics */
CON_GetMetrics(&cols, &rows);
/* Save current row and col */
printf("\x1b[s");
fflush(stdout);
/* Move to specified row */
printf("\x1b[%u;0H", row);
fflush(stdout);
/* Fill row */
for (cnt = 0; cnt < cols; cnt++) {
printf(" ");
fflush(stdout);
}
/* Load saved row and col */
printf("\x1b[u");
fflush(stdout);
/* Set default color */
Con_BgColor(0, 0);
Con_FgColor(7, 1);
}
void Video_Configure(GXRModeObj *rmode)
{
/* Configure the video subsystem */
VIDEO_Configure(rmode);
/* Setup video */
VIDEO_SetBlack(FALSE);
VIDEO_Flush();
VIDEO_WaitVSync();
if (rmode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync();
}
void Video_SetMode(void)
{
/* Select preferred video mode */
vmode = VIDEO_GetPreferredMode(NULL);
/* Allocate memory for the framebuffer */
framebuffer = MEM_K0_TO_K1(SYS_AllocateFramebuffer(vmode));
// Initialise the console, required for printf
console_init(framebuffer,20,20,vmode->fbWidth,vmode->xfbHeight,vmode->fbWidth*VI_DISPLAY_PIX_SZ);
/* Configure the video subsystem */
VIDEO_Configure(vmode);
/* Setup video */
VIDEO_SetNextFramebuffer(framebuffer);
VIDEO_SetBlack(FALSE);
VIDEO_Flush();
VIDEO_WaitVSync();
if (vmode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync();
/* Clear the screen */
Video_Clear(COLOR_BLACK);
}
void Video_Clear(s32 color)
{
VIDEO_ClearFrameBuffer(vmode, framebuffer, color);
}