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/*
* $Id: sis315_state.c,v 1.6 2006-10-29 23:24:50 dok Exp $
*
* Copyright (C) 2003 by Andreas Oberritter <obi@saftware.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include <config.h>
#include <directfb.h>
#include <direct/messages.h>
#include <core/state.h>
#include <core/surface.h>
#include <gfx/convert.h>
#include "sis315.h"
#include "sis315_mmio.h"
#include "sis315_regs.h"
#include "sis315_state.h"
static u16 dspfToSrcColor(DFBSurfacePixelFormat pf)
{
switch (DFB_BITS_PER_PIXEL(pf)) {
case 16:
return 0x8000;
case 32:
return 0xc000;
default:
return 0x0000;
}
}
static u32 dspfToCmdBpp(DFBSurfacePixelFormat pf)
{
switch (DFB_BITS_PER_PIXEL(pf)) {
case 16:
return SIS315_2D_CMD_CFB_16;
case 32:
return SIS315_2D_CMD_CFB_32;
default:
return SIS315_2D_CMD_CFB_8;
}
}
void sis_validate_color(SiSDriverData *drv, SiSDeviceData *dev, CardState *state)
{
u32 color;
if (dev->v_color)
return;
switch (state->destination->config.format) {
case DSPF_LUT8:
color = state->color_index;
break;
case DSPF_ARGB1555:
color = PIXEL_ARGB1555(state->color.a,
state->color.r,
state->color.g,
state->color.b);
break;
case DSPF_RGB16:
color = PIXEL_RGB16(state->color.r,
state->color.g,
state->color.b);
break;
case DSPF_RGB32:
color = PIXEL_RGB32(state->color.r,
state->color.g,
state->color.b);
break;
case DSPF_ARGB:
color = PIXEL_ARGB(state->color.a,
state->color.r,
state->color.g,
state->color.b);
break;
default:
D_BUG("unexpected pixelformat");
return;
}
sis_wl(drv->mmio_base, SIS315_2D_PAT_FG_COLOR, color);
dev->v_color = 1;
}
void sis_validate_dst(SiSDriverData *drv, SiSDeviceData *dev, CardState *state)
{
CoreSurface *dst = state->destination;
if (dev->v_destination)
return;
dev->cmd_bpp = dspfToCmdBpp(dst->config.format);
sis_wl(drv->mmio_base, SIS315_2D_DST_ADDR, state->dst.offset);
sis_wl(drv->mmio_base, SIS315_2D_DST_PITCH, (0xffff << 16) | state->dst.pitch);
dev->v_destination = 1;
}
void sis_validate_src(SiSDriverData *drv, SiSDeviceData *dev, CardState *state)
{
CoreSurface *src = state->source;
if (dev->v_source)
return;
sis_wl(drv->mmio_base, SIS315_2D_SRC_ADDR, state->src.offset);
sis_wl(drv->mmio_base, SIS315_2D_SRC_PITCH, (dspfToSrcColor(src->config.format) << 16) | state->src.pitch);
dev->v_source = 1;
}
void sis_set_dst_colorkey(SiSDriverData *drv, SiSDeviceData *dev, CardState *state)
{
if (dev->v_dst_colorkey)
return;
sis_wl(drv->mmio_base, SIS315_2D_TRANS_DEST_KEY_HIGH, state->dst_colorkey);
sis_wl(drv->mmio_base, SIS315_2D_TRANS_DEST_KEY_LOW, state->dst_colorkey);
dev->v_dst_colorkey = 1;
}
void sis_set_src_colorkey(SiSDriverData *drv, SiSDeviceData *dev, CardState *state)
{
if (dev->v_src_colorkey)
return;
sis_wl(drv->mmio_base, SIS315_2D_TRANS_SRC_KEY_HIGH, state->src_colorkey);
sis_wl(drv->mmio_base, SIS315_2D_TRANS_SRC_KEY_LOW, state->src_colorkey);
dev->v_src_colorkey = 1;
}
void sis_set_clip(SiSDriverData *drv, DFBRegion *clip)
{
sis_wl(drv->mmio_base, SIS315_2D_LEFT_CLIP, (clip->y1 << 16) | clip->x1);
sis_wl(drv->mmio_base, SIS315_2D_RIGHT_CLIP, (clip->y2 << 16) | clip->x2);
}
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