mirror of https://github.com/bsnes-emu/bsnes.git
126 lines
3.6 KiB
C++
126 lines
3.6 KiB
C++
#include "cache.cpp"
|
|
#include "windows.cpp"
|
|
#include "bg.cpp"
|
|
#include "oam.cpp"
|
|
#include "mode7.cpp"
|
|
#include "addsub.cpp"
|
|
#include "line.cpp"
|
|
|
|
//Mode 0: ->
|
|
// 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
|
|
// BG4B, BG3B, OAM0, BG4A, BG3A, OAM1, BG2B, BG1B, OAM2, BG2A, BG1A, OAM3
|
|
auto PPU::render_line_mode0() -> void {
|
|
render_line_bg<0, BG1, COLORDEPTH_4>(8, 11);
|
|
render_line_bg<0, BG2, COLORDEPTH_4>(7, 10);
|
|
render_line_bg<0, BG3, COLORDEPTH_4>(2, 5);
|
|
render_line_bg<0, BG4, COLORDEPTH_4>(1, 4);
|
|
render_line_oam(3, 6, 9, 12);
|
|
}
|
|
|
|
//Mode 1 (pri=1): ->
|
|
// 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
|
|
// BG3B, OAM0, OAM1, BG2B, BG1B, OAM2, BG2A, BG1A, OAM3, BG3A
|
|
//
|
|
//Mode 1 (pri=0): ->
|
|
// 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
|
|
// BG3B, OAM0, BG3A, OAM1, BG2B, BG1B, OAM2, BG2A, BG1A, OAM3
|
|
auto PPU::render_line_mode1() -> void {
|
|
if(regs.bg3_priority) {
|
|
render_line_bg<1, BG1, COLORDEPTH_16>(5, 8);
|
|
render_line_bg<1, BG2, COLORDEPTH_16>(4, 7);
|
|
render_line_bg<1, BG3, COLORDEPTH_4 >(1, 10);
|
|
render_line_oam(2, 3, 6, 9);
|
|
} else {
|
|
render_line_bg<1, BG1, COLORDEPTH_16>(6, 9);
|
|
render_line_bg<1, BG2, COLORDEPTH_16>(5, 8);
|
|
render_line_bg<1, BG3, COLORDEPTH_4 >(1, 3);
|
|
render_line_oam(2, 4, 7, 10);
|
|
}
|
|
}
|
|
|
|
//Mode 2: ->
|
|
// 1, 2, 3, 4, 5, 6, 7, 8
|
|
// BG2B, OAM0, BG1B, OAM1, BG2A, OAM2, BG1A, OAM3
|
|
auto PPU::render_line_mode2() -> void {
|
|
render_line_bg<2, BG1, COLORDEPTH_16>(3, 7);
|
|
render_line_bg<2, BG2, COLORDEPTH_16>(1, 5);
|
|
render_line_oam(2, 4, 6, 8);
|
|
}
|
|
|
|
//Mode 3: ->
|
|
// 1, 2, 3, 4, 5, 6, 7, 8
|
|
// BG2B, OAM0, BG1B, OAM1, BG2A, OAM2, BG1A, OAM3
|
|
auto PPU::render_line_mode3() -> void {
|
|
render_line_bg<3, BG1, COLORDEPTH_256>(3, 7);
|
|
render_line_bg<3, BG2, COLORDEPTH_16 >(1, 5);
|
|
render_line_oam(2, 4, 6, 8);
|
|
}
|
|
|
|
//Mode 4: ->
|
|
// 1, 2, 3, 4, 5, 6, 7, 8
|
|
// BG2B, OAM0, BG1B, OAM1, BG2A, OAM2, BG1A, OAM3
|
|
auto PPU::render_line_mode4() -> void {
|
|
render_line_bg<4, BG1, COLORDEPTH_256>(3, 7);
|
|
render_line_bg<4, BG2, COLORDEPTH_4 >(1, 5);
|
|
render_line_oam(2, 4, 6, 8);
|
|
}
|
|
|
|
//Mode 5: ->
|
|
// 1, 2, 3, 4, 5, 6, 7, 8
|
|
// BG2B, OAM0, BG1B, OAM1, BG2A, OAM2, BG1A, OAM3
|
|
auto PPU::render_line_mode5() -> void {
|
|
render_line_bg<5, BG1, COLORDEPTH_16>(3, 7);
|
|
render_line_bg<5, BG2, COLORDEPTH_4 >(1, 5);
|
|
render_line_oam(2, 4, 6, 8);
|
|
}
|
|
|
|
//Mode 6: ->
|
|
// 1, 2, 3, 4, 5, 6
|
|
// OAM0, BG1B, OAM1, OAM2, BG1A, OAM3
|
|
auto PPU::render_line_mode6() -> void {
|
|
render_line_bg<6, BG1, COLORDEPTH_16>(2, 5);
|
|
render_line_oam(1, 3, 4, 6);
|
|
}
|
|
|
|
//Mode7: ->
|
|
// 1, 2, 3, 4, 5
|
|
// OAM0, BG1n, OAM1, OAM2, OAM3
|
|
|
|
//Mode 7 EXTBG: ->
|
|
// 1, 2, 3, 4, 5, 6, 7
|
|
// BG2B, OAM0, BG1n, OAM1, BG2A, OAM2, OAM3
|
|
auto PPU::render_line_mode7() -> void {
|
|
if(regs.mode7_extbg == false) {
|
|
render_line_mode7<BG1>(2, 2);
|
|
render_line_oam(1, 3, 4, 5);
|
|
} else {
|
|
render_line_mode7<BG1>(3, 3);
|
|
render_line_mode7<BG2>(1, 5);
|
|
render_line_oam(2, 4, 6, 7);
|
|
}
|
|
}
|
|
|
|
auto PPU::render_line() -> void {
|
|
if(regs.display_disabled == true) {
|
|
render_line_clear();
|
|
return;
|
|
}
|
|
|
|
flush_pixel_cache();
|
|
build_window_tables(COL);
|
|
update_bg_info();
|
|
|
|
switch(regs.bg_mode) {
|
|
case 0: render_line_mode0(); break;
|
|
case 1: render_line_mode1(); break;
|
|
case 2: render_line_mode2(); break;
|
|
case 3: render_line_mode3(); break;
|
|
case 4: render_line_mode4(); break;
|
|
case 5: render_line_mode5(); break;
|
|
case 6: render_line_mode6(); break;
|
|
case 7: render_line_mode7(); break;
|
|
}
|
|
|
|
render_line_output();
|
|
}
|