diff options
Diffstat (limited to 'Source/DirectFB/gfxdrivers/sis315/sis315_state.c')
| -rwxr-xr-x | Source/DirectFB/gfxdrivers/sis315/sis315_state.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/Source/DirectFB/gfxdrivers/sis315/sis315_state.c b/Source/DirectFB/gfxdrivers/sis315/sis315_state.c new file mode 100755 index 0000000..d78a71e --- /dev/null +++ b/Source/DirectFB/gfxdrivers/sis315/sis315_state.c @@ -0,0 +1,164 @@ +/* + * $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); +} + + + |