diff options
Diffstat (limited to 'src/i830_3d.c')
| -rw-r--r-- | src/i830_3d.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/i830_3d.c b/src/i830_3d.c new file mode 100644 index 00000000..547e5564 --- /dev/null +++ b/src/i830_3d.c @@ -0,0 +1,131 @@ +/************************************************************************** + * + * 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 "i830.h" +#include "i830_dri.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(); +} |