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/*
* (C) notaz, 2010
*
* This work is licensed under the terms of the GNU GPLv2 or later.
* See the COPYING file in the top-level directory.
*/
#define _IN_DRAW
#include "gpu.h"
#include "../../frontend/plugin_lib.h"
#include "../../frontend/arm_utils.h"
#include "../../frontend/pcnt.h"
// misc globals
long lLowerpart;
BOOL bCheckMask = FALSE;
unsigned short sSetMask;
unsigned long lSetMask;
static void blit(void)
{
int px = PSXDisplay.DisplayPosition.x & ~1; // XXX: align needed by bgr*_to_...
int py = PSXDisplay.DisplayPosition.y;
int w = PreviousPSXDisplay.Range.x1;
int h = PreviousPSXDisplay.DisplayMode.y;
int pitch = PreviousPSXDisplay.DisplayMode.x;
unsigned short *srcs = psxVuw + py * 1024 + px;
unsigned char *dest = pl_fbdev_buf;
if (w <= 0)
return;
#ifndef MAEMO
pitch *= PSXDisplay.RGB24 ? 3 : 2;
#else
// n900 doesn't do rgb24 for some reason
pitch *= 2;
#define bgr888_to_rgb888 bgr888_to_rgb565
#endif
// account for centering
h -= PreviousPSXDisplay.Range.y0;
dest += PreviousPSXDisplay.Range.y0 / 2 * pitch;
dest += (PreviousPSXDisplay.Range.x0 & ~3) * 2; // must align here too..
if (PSXDisplay.RGB24)
{
for (; h-- > 0; dest += pitch, srcs += 1024)
{
bgr888_to_rgb888(dest, srcs, w * 3);
}
}
else
{
for (; h-- > 0; dest += pitch, srcs += 1024)
{
bgr555_to_rgb565(dest, srcs, w * 2);
}
}
}
void DoBufferSwap(void)
{
static int fbw, fbh, fb24bpp;
if (PreviousPSXDisplay.DisplayMode.x == 0 || PreviousPSXDisplay.DisplayMode.y == 0)
return;
/* careful if rearranging this code, we try to set mode and flip
* to get the hardware apply both changes at the same time */
if (PreviousPSXDisplay.DisplayMode.x != fbw || PreviousPSXDisplay.DisplayMode.y != fbh
|| PSXDisplay.RGB24 != fb24bpp) {
fbw = PreviousPSXDisplay.DisplayMode.x;
fbh = PreviousPSXDisplay.DisplayMode.y;
fb24bpp = PSXDisplay.RGB24;
pl_fbdev_set_mode(fbw, fbh, fb24bpp ? 24 : 16);
}
pcnt_start(PCNT_BLIT);
blit();
pcnt_end(PCNT_BLIT);
pl_fbdev_flip();
}
void DoClearScreenBuffer(void)
{
}
unsigned long ulInitDisplay(void)
{
if (pl_fbdev_open() != 0)
return 0;
return 1; /* ok */
}
void CloseDisplay(void)
{
pl_fbdev_close();
}
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