xf86-video-intel/src/i830_3d.c

132 lines
4.1 KiB
C

/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "i830.h"
#include "i830_reg.h"
#define CMD_3D (0x3<<29)
void I830EmitInvarientState( ScrnInfoPtr pScrn )
{
I830Ptr pI830 = I830PTR(pScrn);
BEGIN_LP_RING(38);
OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(0));
OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(1));
OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(2));
OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(3));
OUT_RING(_3DSTATE_DFLT_DIFFUSE_CMD);
OUT_RING(0);
OUT_RING(_3DSTATE_DFLT_SPEC_CMD);
OUT_RING(0);
OUT_RING(_3DSTATE_DFLT_Z_CMD);
OUT_RING(0);
OUT_RING(_3DSTATE_FOG_MODE_CMD);
OUT_RING(FOGFUNC_ENABLE |
FOG_LINEAR_CONST |
FOGSRC_INDEX_Z |
ENABLE_FOG_DENSITY);
OUT_RING(0);
OUT_RING(0);
OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
MAP_UNIT(0) |
DISABLE_TEX_STREAM_BUMP |
ENABLE_TEX_STREAM_COORD_SET |
TEX_STREAM_COORD_SET(0) |
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(0));
OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
MAP_UNIT(1) |
DISABLE_TEX_STREAM_BUMP |
ENABLE_TEX_STREAM_COORD_SET |
TEX_STREAM_COORD_SET(1) |
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(1));
OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
MAP_UNIT(2) |
DISABLE_TEX_STREAM_BUMP |
ENABLE_TEX_STREAM_COORD_SET |
TEX_STREAM_COORD_SET(2) |
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(2));
OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
MAP_UNIT(3) |
DISABLE_TEX_STREAM_BUMP |
ENABLE_TEX_STREAM_COORD_SET |
TEX_STREAM_COORD_SET(3) |
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(3));
OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(0));
OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(1));
OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(2));
OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(3));
OUT_RING(_3DSTATE_RASTER_RULES_CMD |
ENABLE_POINT_RASTER_RULE |
OGL_POINT_RASTER_RULE |
ENABLE_LINE_STRIP_PROVOKE_VRTX |
ENABLE_TRI_FAN_PROVOKE_VRTX |
ENABLE_TRI_STRIP_PROVOKE_VRTX |
LINE_STRIP_PROVOKE_VRTX(1) |
TRI_FAN_PROVOKE_VRTX(2) |
TRI_STRIP_PROVOKE_VRTX(2));
OUT_RING(_3DSTATE_SCISSOR_ENABLE_CMD |
DISABLE_SCISSOR_RECT);
OUT_RING(_3DSTATE_SCISSOR_RECT_0_CMD);
OUT_RING(0);
OUT_RING(0);
OUT_RING(_3DSTATE_VERTEX_TRANSFORM);
OUT_RING(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);
OUT_RING(_3DSTATE_W_STATE_CMD);
OUT_RING(MAGIC_W_STATE_DWORD1);
OUT_RING(0x3f800000 /* 1.0 in IEEE float */ );
OUT_RING(_3DSTATE_COLOR_FACTOR_CMD);
OUT_RING(0x80808080); /* .5 required in alpha for GL_DOT3_RGBA_EXT */
ADVANCE_LP_RING();
}