static int NDS_RenderClear(SDL_Renderer *renderer)
{
NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
/* wait for capture unit to be ready */
while(REG_DISPCAPCNT & DCAP_ENABLE);
/* 3D engine can only work on one screen at a time. */
data->is_sub = !data->is_sub;
if (data->is_sub) {
lcdMainOnBottom();
vramSetBankC(VRAM_C_LCD);
vramSetBankD(VRAM_D_SUB_SPRITE);
REG_DISPCAPCNT = DCAP_BANK(2) | DCAP_ENABLE | DCAP_SIZE(3);
} else {
lcdMainOnTop();
vramSetBankD(VRAM_D_LCD);
vramSetBankC(VRAM_C_SUB_BG);
REG_DISPCAPCNT = DCAP_BANK(3) | DCAP_ENABLE | DCAP_SIZE(3);
}
glBegin2D();
glClearColor(renderer->r >> 3,
renderer->g >> 3,
renderer->b >> 3,
renderer->a >> 3);
return 0;
}
void GameOver::Render(GameEngine* game)
{
glBegin2D();
glBoxFilledGradient( 0, 0, 255, 191,
RGB15( 31, 0, 0 ),
RGB15( 0, 31, 0 ),
RGB15( 31, 0, 31 ),
RGB15( 0, 31, 31 )
);
glEnd2D();
glFlush(0);
swiWaitForVBlank();
}
void Menu::Render(GameEngine* game)
{
glBegin2D();
// backdrop
glBoxFilled( 0, 0, 259, 191,0);
DrawPlasma();
// starfield
// nyancat
// press start
glEnd2D();
glFlush(0);
swiWaitForVBlank();
}
static int NDS_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
{
display->driverdata = mode->driverdata;
powerOn(POWER_ALL_2D);
#ifdef USE_HW_RENDERER
videoSetMode(MODE_5_3D);
videoSetModeSub(MODE_5_2D);
/* initialize gl2d */
glScreen2D();
glBegin2D();
vramSetBankA(VRAM_A_TEXTURE);
vramSetBankB(VRAM_B_TEXTURE );
vramSetBankC(VRAM_C_SUB_BG_0x06200000);
vramSetBankE(VRAM_E_TEX_PALETTE);
// sub sprites hold the bottom image when 3D directed to top
initSubSprites();
// sub background holds the top image when 3D directed to bottom
bgInitSub(3, BgType_Bmp16, BgSize_B16_256x256, 0, 0);
#else
/* Select mode 5 for both screens. Can do Extended Rotation
* Background on both (BG 2 and 3). */
videoSetMode(MODE_5_2D);
videoSetModeSub(MODE_5_2D);
vramSetBankA(VRAM_A_MAIN_BG_0x06000000);
vramSetBankB(VRAM_B_TEXTURE );
vramSetBankC(VRAM_C_SUB_BG_0x06200000);
vramSetBankE(VRAM_E_TEX_PALETTE);
#endif
return 0;
}