//*****************************************************************************
//
//*****************************************************************************
bool IVideoMemoryManager::Alloc( u32 size, void ** data, bool * isvidmem )
{
void * mem;
// Ensure that all memory is 16-byte aligned
size = AlignPow2( size, 16 );
// Try to alloc fast VRAM
mem = mVideoMemoryHeap->Alloc( size );
if( mem != NULL )
{
*data = mem;
*isvidmem = true;
return true;
}
DAEDALUS_ERROR( "Failed to allocate %d bytes of VRAM", size );
// Try to alloc normal RAM
mem = mRamMemoryHeap->Alloc( size );
if( mem != NULL )
{
*data = mem;
*isvidmem = false;
return true;
}
DAEDALUS_ERROR( "Failed to allocate %d bytes of RAM (risk for BSOD)", size );
// It failed, there is no MEMORY left
*data = NULL;
*isvidmem = false;
return false;
}
static DXPTEXTURE3* LoadScreen(void)
{
DXPTEXTURE3 *texptr = NULL;
int y, bufferwidth, pixelformat, pixelsize;
u8* vram = NULL;
//display information
sceDisplayGetFrameBuf((void**)&vram, &bufferwidth, &pixelformat, 0);
switch ( pixelformat ) {
case PSP_DISPLAY_PIXEL_FORMAT_8888:
pixelsize = 4;
break;
case PSP_DISPLAY_PIXEL_FORMAT_565:
case PSP_DISPLAY_PIXEL_FORMAT_5551:
case PSP_DISPLAY_PIXEL_FORMAT_4444:
pixelsize = 2;
break;
default:
return NULL;
}
//image information
int width = SCREEN_WIDTH;
int height = SCREEN_HEIGHT;
int pitch = ((width + 3) >> 2) << 2;
int texwidth = AlignPow2(width);
int texheight = AlignPow2(height);
u8 *data = (u8*)malloc(pitch * texheight * pixelsize);
if ( data == NULL ) {
dxpGraphicsReleseTexture(texptr);
return NULL;
}
for ( y = 0; y < SCREEN_HEIGHT; y++ )
memcpy(data + y * pitch * pixelsize, vram + y * bufferwidth * pixelsize, SCREEN_WIDTH * pixelsize);
texptr = dxpGraphicsCreateTexture();
if ( !texptr ) {
free(data);
dxpGraphicsReleseTexture(texptr);
return NULL;
}
texptr->texdata = data;
texptr->alphabit = 0;
texptr->colorkey = dxpGraphicsData.colorkey;
texptr->width = texwidth;
texptr->height = texheight;
texptr->pitch = pitch;
texptr->ppalette = NULL;
texptr->psm = pixelformat;
texptr->reloadflag = 1;
texptr->size2_nflag = 0;
texptr->swizzledflag = 0;
texptr->texvram = 0;
texptr->umax = width;
texptr->vmax = height;
return texptr;
}
