mirror/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch synced 2025-03-29 22:20:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

dos: Add 32-bit gfx support

Browse Source
This commit is contained in:
Vladimir Serbinenko 2020-05-12 02:06:33 +02:00
parent 306fed32f6
commit 05500c6c39
1 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
gfx/drivers/vga_gfx.c
View File

@ -197,7 +197,26 @@ static bool vga_gfx_frame(void *data, const void *frame,
{
if (bits == 32)
{
/* TODO/FIXME - needs to be implemented */
unsigned x, y;
for (y = 0; y < VGA_HEIGHT; y++)
{
for (x = 0; x < VGA_WIDTH; x++)
{
/* scale incoming frame to fit the screen */
unsigned scaled_x = (width * x) / VGA_WIDTH;
unsigned scaled_y = (height * y) / VGA_HEIGHT;
uint32_t pixel = ((uint32_t*)frame_to_copy)[width * scaled_y + scaled_x];
/* convert RGB888 to BGR332 */
unsigned r = ((pixel & 0xFF0000) >> 21);
unsigned g = ((pixel & 0x00FF00) >> 13);
unsigned b = ((pixel & 0x0000FF) >> 6);
vga->vga_frame[VGA_WIDTH * y + x] = (b << 6) | (g << 3) | r;
}
}
dosmemput(vga->vga_frame, VGA_WIDTH*VGA_HEIGHT, 0xA0000);
}
else if (bits == 16)
{