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window rendering alternatives

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kirjavascript 2021-05-25 23:53:24 +01:00
parent 783376e11e
commit 065a91be5c
2 changed files with 66 additions and 33 deletions
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4
desktop/src/main.rs
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@ -20,8 +20,8 @@ pub enum Update {
fn main() {
let app = app::App::default();
// let buf: Vec<u8> = include_bytes!("./roms/Window Test by Fonzie (PD).bin").to_vec();
let buf: Vec<u8> = include_bytes!("/home/cake/sonic/roms/sspin.bin").to_vec();
let buf: Vec<u8> = include_bytes!("./roms/Window Test by Fonzie (PD).bin").to_vec();
// let buf: Vec<u8> = include_bytes!("/home/cake/sonic/roms/sspin.bin").to_vec();
let mut emu = Megadrive::new(buf);

95
emu/src/gfx.rs
View file

@ -158,8 +158,6 @@ impl Gfx {
// do priority last, split up works
let vram = &emu.core.mem.vdp.VRAM;
// draw TO left, TO top
if window_left && window_top && screen_y < window_y * 8 {
@ -184,48 +182,83 @@ impl Gfx {
let hflip = (byte & 0x8) != 0;
let palette = (byte & 0x60) >> 5;
let flip = |cursor| if hflip { cursor ^ 7 } else { cursor };
let draw = |screen: &mut Screen, screen_x, (r, g, b)| {
let screen_offset = (screen_x + (screen_y * screen_width)) * 3;
screen[screen_offset] = r;
screen[screen_offset + 1] = g;
screen[screen_offset + 2] = b;
};
let x = n * 8;
let y = screen_y & 7;
let y = if vflip { y ^ 7 } else { y };
let index = (tile * 32) + (y * 4);
let line = &vram[index..index+4];
let mut cursor = 0;
for duxel in line {
let px = duxel >> 4;
//
for cursor in 0..8 {
let duxel = emu.core.mem.vdp.VRAM[index + (cursor / 2)];
let px = if cursor & 1 != 0 { duxel & 0xF } else { duxel >> 4 };
if px != 0 {
draw(
&mut emu.gfx.screen,
flip(cursor) + x,
emu.core.mem.vdp.color(palette, px as usize)
);
let screen_x = if hflip { cursor ^ 7 } else { cursor } + x;
let (r, g, b) = emu.core.mem.vdp.color(palette, px as usize);
let screen_offset = (screen_x + (screen_y * screen_width)) * 3;
emu.gfx.screen[screen_offset] = r;
emu.gfx.screen[screen_offset + 1] = g;
emu.gfx.screen[screen_offset + 2] = b;
}
cursor += 1;
let px = duxel & 0xF;
if px != 0 {
draw(
&mut emu.gfx.screen,
flip(cursor) + x,
emu.core.mem.vdp.color(palette, px as usize)
);
}
cursor += 1;
}
//
// let line = &emu.core.mem.vdp.VRAM[index..index+4];
// let mut cursor = 0;
// for i in 0..4 {
// let duxel = emu.core.mem.vdp.VRAM[index+i];
// let px = duxel >> 4;
// if px != 0 {
// let screen_x = if hflip { cursor ^ 7 } else { cursor } + x;
// let (r, g, b) = emu.core.mem.vdp.color(palette, px as usize);
// let screen_offset = (screen_x + (screen_y * screen_width)) * 3;
// emu.gfx.screen[screen_offset] = r;
// emu.gfx.screen[screen_offset + 1] = g;
// emu.gfx.screen[screen_offset + 2] = b;
// }
// cursor += 1;
// let px = duxel & 0xF;
// if px != 0 {
// let screen_x = if hflip { cursor ^ 7 } else { cursor } + x;
// let (r, g, b) = emu.core.mem.vdp.color(palette, px as usize);
// let screen_offset = (screen_x + (screen_y * screen_width)) * 3;
// emu.gfx.screen[screen_offset] = r;
// emu.gfx.screen[screen_offset + 1] = g;
// emu.gfx.screen[screen_offset + 2] = b;
// }
// cursor += 1;
// }
//
// let y = screen_y & 7;
// for x in 0..8 { // TODO: 0..4
// let screen_x = x + (n * 8);
// let px = &emu.core.mem.vdp.VRAM[(tile * 32) + (y*4) + (x>>1)];
// let px = if x & 1 == 0 { px >> 4 } else { px & 0xF };
// if px != 0 {
// let (r, g, b) = emu.core.mem.vdp.color(palette, px as _);
// let screen_offset = (screen_x + (screen_y * screen_width)) * 3;
// emu.gfx.screen[screen_offset] = r;
// emu.gfx.screen[screen_offset + 1] = g;
// emu.gfx.screen[screen_offset + 2] = b;
// }
// }
}
}
println!("{:?}", (window_left, window_top, window_x, window_y, nametable));
// println!("{:?}", (window_left, window_top, window_x, window_y, nametable));
// let width = ;