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/*
* (C) Gražvydas "notaz" Ignotas, 2011
*
* This work is licensed under the terms of any of these licenses
* (at your option):
* - GNU GPL, version 2 or later.
* - GNU LGPL, version 2.1 or later.
* See the COPYING file in the top-level directory.
*/
#include "gpu.h"
#include "../../frontend/plugin_lib.h"
#include "../../frontend/arm_utils.h"
static const struct rearmed_cbs *cbs;
static void *screen_buf;
int vout_init(void)
{
return 0;
}
int vout_finish(void)
{
return 0;
}
static void blit(void)
{
static uint32_t old_status, old_h;
int x = gpu.screen.x & ~3; // alignment needed by blitter
int y = gpu.screen.y;
int w = gpu.screen.w;
int h;
uint16_t *srcs;
uint8_t *dest;
srcs = &gpu.vram[y * 1024 + x];
h = gpu.screen.y2 - gpu.screen.y1;
if (gpu.status.dheight)
h *= 2;
if (h <= 0)
return;
if ((gpu.status.reg ^ old_status) & ((7<<16)|(1<<21)) || h != old_h) // width|rgb24 change?
{
old_status = gpu.status.reg;
old_h = h;
screen_buf = cbs->pl_fbdev_set_mode(w, h, gpu.status.rgb24 ? 24 : 16);
}
dest = screen_buf;
if (gpu.status.rgb24)
{
#ifndef MAEMO
for (; h-- > 0; dest += w * 3, srcs += 1024)
{
bgr888_to_rgb888(dest, srcs, w * 3);
}
#else
for (; h-- > 0; dest += w * 2, srcs += 1024)
{
bgr888_to_rgb565(dest, srcs, w * 3);
}
#endif
}
else
{
for (; h-- > 0; dest += w * 2, srcs += 1024)
{
bgr555_to_rgb565(dest, srcs, w * 2);
}
}
screen_buf = cbs->pl_fbdev_flip();
}
void GPUupdateLace(void)
{
if (!gpu.status.blanking)
blit();
}
long GPUopen(void)
{
cbs->pl_fbdev_open();
screen_buf = cbs->pl_fbdev_flip();
return 0;
}
long GPUclose(void)
{
cbs->pl_fbdev_close();
return 0;
}
void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_)
{
cbs = cbs_;
}
// vim:shiftwidth=2:expandtab
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