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Double buffer framebuffer drawing

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This commit is contained in:
Thomas Lovén
2022-01-10 10:28:26 +01:00
parent 8eaa8e6c8f
commit 27682a9fe1
3 changed files with 23 additions and 10 deletions
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4
src/kernel/drivers/terminal/fbterm.c
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@@ -113,7 +113,7 @@ static void drawCharacter(gfx_context *ctx, uint64_t x, uint64_t y, uint32_t clr
uint64_t loc = \
y * ctx->pitch + \
x * ctx->bpp;
uint32_t *fb = incptr(P2V(ctx->addr), loc);
uint32_t *fb = incptr(ctx->buffer, loc);
for(int row = 0; row < 16; row++)
{
for(int col = 0; col < 8; col++)
@@ -143,6 +143,7 @@ void fbterm_init(gfx_context *ctx)
{
term_fb = framebuffer_make_subcontext(ctx, 20, 20, 8*VGA_COLS+8, 16*VGA_ROWS+8);
draw_border(term_fb, RGB(255, 0, 0));
flip(term_fb);
term_fb = framebuffer_make_subcontext(ctx, 24, 24, 8*VGA_COLS, 16*VGA_ROWS);
setup = 1;
}
@@ -163,4 +164,5 @@ void fbterm_flush(struct vga_cell *buffer)
drawCharacter(term_fb, col*8, row*16, 0xFFFFFF, 0, (char)buffer[i++].c);
}
}
flip(term_fb);
}