src/i830_3d.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 #include "config.h"
  30 #endif
  31
  32 #include "xf86.h"
  33 #include "intel.h"
  34
  35 #include "i830_reg.h"
  36
  37 void I830EmitInvarientState(ScrnInfoPtr scrn)
  38 {
  39         intel_screen_private *intel = intel_get_screen_private(scrn);
  40
  41         assert(intel->in_batch_atomic);
  42
  43         OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(0));
  44         OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(1));
  45         OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(2));
  46         OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(3));
  47
  48         OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
  49         OUT_BATCH(0);
  50
  51         OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
  52         OUT_BATCH(0);
  53
  54         OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
  55         OUT_BATCH(0);
  56
  57         OUT_BATCH(_3DSTATE_FOG_MODE_CMD);
  58         OUT_BATCH(FOGFUNC_ENABLE |
  59                   FOG_LINEAR_CONST | FOGSRC_INDEX_Z | ENABLE_FOG_DENSITY);
  60         OUT_BATCH(0);
  61         OUT_BATCH(0);
  62
  63         OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
  64                   MAP_UNIT(0) |
  65                   DISABLE_TEX_STREAM_BUMP |
  66                   ENABLE_TEX_STREAM_COORD_SET |
  67                   TEX_STREAM_COORD_SET(0) |
  68                   ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(0));
  69         OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
  70                   MAP_UNIT(1) |
  71                   DISABLE_TEX_STREAM_BUMP |
  72                   ENABLE_TEX_STREAM_COORD_SET |
  73                   TEX_STREAM_COORD_SET(1) |
  74                   ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(1));
  75         OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
  76                   MAP_UNIT(2) |
  77                   DISABLE_TEX_STREAM_BUMP |
  78                   ENABLE_TEX_STREAM_COORD_SET |
  79                   TEX_STREAM_COORD_SET(2) |
  80                   ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(2));
  81         OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
  82                   MAP_UNIT(3) |
  83                   DISABLE_TEX_STREAM_BUMP |
  84                   ENABLE_TEX_STREAM_COORD_SET |
  85                   TEX_STREAM_COORD_SET(3) |
  86                   ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(3));
  87
  88         OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
  89         OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(0));
  90         OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
  91         OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(1));
  92         OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
  93         OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(2));
  94         OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
  95         OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(3));
  96
  97         OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
  98                   ENABLE_POINT_RASTER_RULE |
  99                   OGL_POINT_RASTER_RULE |
 100                   ENABLE_LINE_STRIP_PROVOKE_VRTX |
 101                   ENABLE_TRI_FAN_PROVOKE_VRTX |
 102                   ENABLE_TRI_STRIP_PROVOKE_VRTX |
 103                   LINE_STRIP_PROVOKE_VRTX(1) |
 104                   TRI_FAN_PROVOKE_VRTX(2) | TRI_STRIP_PROVOKE_VRTX(2));
 105
 106         OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
 107
 108         OUT_BATCH(_3DSTATE_SCISSOR_RECT_0_CMD);
 109         OUT_BATCH(0);
 110         OUT_BATCH(0);
 111
 112         OUT_BATCH(_3DSTATE_VERTEX_TRANSFORM);
 113         OUT_BATCH(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);
 114
 115         OUT_BATCH(_3DSTATE_W_STATE_CMD);
 116         OUT_BATCH(MAGIC_W_STATE_DWORD1);
 117         OUT_BATCH(0x3f800000 /* 1.0 in IEEE float */ );
 118
 119         OUT_BATCH(_3DSTATE_COLOR_FACTOR_CMD);
 120         OUT_BATCH(0x80808080);  /* .5 required in alpha for GL_DOT3_RGBA_EXT */
 121
 122         OUT_BATCH(_3DSTATE_MAP_COORD_SETBIND_CMD);
 123         OUT_BATCH(TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
 124                   TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
 125                   TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
 126                   TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
 127
 128         /* copy from mesa */
 129         OUT_BATCH(_3DSTATE_INDPT_ALPHA_BLEND_CMD |
 130                   DISABLE_INDPT_ALPHA_BLEND |
 131                   ENABLE_ALPHA_BLENDFUNC | ABLENDFUNC_ADD);
 132
 133         OUT_BATCH(_3DSTATE_FOG_COLOR_CMD |
 134                   FOG_COLOR_RED(0) | FOG_COLOR_GREEN(0) | FOG_COLOR_BLUE(0));
 135
 136         OUT_BATCH(_3DSTATE_CONST_BLEND_COLOR_CMD);
 137         OUT_BATCH(0);
 138
 139         OUT_BATCH(_3DSTATE_MODES_1_CMD |
 140                   ENABLE_COLR_BLND_FUNC |
 141                   BLENDFUNC_ADD |
 142                   ENABLE_SRC_BLND_FACTOR |
 143                   SRC_BLND_FACT(BLENDFACTOR_ONE) |
 144                   ENABLE_DST_BLND_FACTOR | DST_BLND_FACT(BLENDFACTOR_ZERO));
 145         OUT_BATCH(_3DSTATE_MODES_2_CMD | ENABLE_GLOBAL_DEPTH_BIAS | GLOBAL_DEPTH_BIAS(0) | ENABLE_ALPHA_TEST_FUNC | ALPHA_TEST_FUNC(0) |        /* always */
 146                   ALPHA_REF_VALUE(0));
 147         OUT_BATCH(_3DSTATE_MODES_3_CMD |
 148                   ENABLE_DEPTH_TEST_FUNC |
 149                   DEPTH_TEST_FUNC(0x2) |        /* COMPAREFUNC_LESS */
 150                   ENABLE_ALPHA_SHADE_MODE |
 151                   ALPHA_SHADE_MODE(SHADE_MODE_LINEAR) |
 152                   ENABLE_FOG_SHADE_MODE |
 153                   FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
 154                   ENABLE_SPEC_SHADE_MODE |
 155                   SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
 156                   ENABLE_COLOR_SHADE_MODE |
 157                   COLOR_SHADE_MODE(SHADE_MODE_LINEAR) |
 158                   ENABLE_CULL_MODE | CULLMODE_NONE);
 159
 160         OUT_BATCH(_3DSTATE_MODES_4_CMD |
 161                   ENABLE_LOGIC_OP_FUNC |
 162                   LOGIC_OP_FUNC(LOGICOP_COPY) |
 163                   ENABLE_STENCIL_TEST_MASK |
 164                   STENCIL_TEST_MASK(0xff) |
 165                   ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff));
 166
 167         OUT_BATCH(_3DSTATE_STENCIL_TEST_CMD |
 168                   ENABLE_STENCIL_PARMS |
 169                   STENCIL_FAIL_OP(0) |  /* STENCILOP_KEEP */
 170                   STENCIL_PASS_DEPTH_FAIL_OP(0) |       /* STENCILOP_KEEP */
 171                   STENCIL_PASS_DEPTH_PASS_OP(0) |       /* STENCILOP_KEEP */
 172                   ENABLE_STENCIL_TEST_FUNC |
 173                   STENCIL_TEST_FUNC(0) |        /* COMPAREFUNC_ALWAYS */
 174                   ENABLE_STENCIL_REF_VALUE |
 175                   STENCIL_REF_VALUE(0));
 176
 177         OUT_BATCH(_3DSTATE_MODES_5_CMD |
 178                   FLUSH_TEXTURE_CACHE |
 179                   ENABLE_SPRITE_POINT_TEX | SPRITE_POINT_TEX_OFF |
 180                   ENABLE_FIXED_LINE_WIDTH | FIXED_LINE_WIDTH(0x2) | /* 1.0 */
 181                   ENABLE_FIXED_POINT_WIDTH | FIXED_POINT_WIDTH(1));
 182
 183         OUT_BATCH(_3DSTATE_ENABLES_1_CMD |
 184                   DISABLE_LOGIC_OP |
 185                   DISABLE_STENCIL_TEST |
 186                   DISABLE_DEPTH_BIAS |
 187                   DISABLE_SPEC_ADD |
 188                   DISABLE_FOG |
 189                   DISABLE_ALPHA_TEST | ENABLE_COLOR_BLEND | DISABLE_DEPTH_TEST);
 190         OUT_BATCH(_3DSTATE_ENABLES_2_CMD |
 191                   DISABLE_STENCIL_WRITE |
 192                   ENABLE_TEX_CACHE |
 193                   DISABLE_DITHER |
 194                   ENABLE_COLOR_MASK | ENABLE_COLOR_WRITE | DISABLE_DEPTH_WRITE);
 195
 196         OUT_BATCH(_3DSTATE_STIPPLE);
 197
 198         /* Set default blend state */
 199         OUT_BATCH(_3DSTATE_MAP_BLEND_OP_CMD(0) |
 200                   TEXPIPE_COLOR |
 201                   ENABLE_TEXOUTPUT_WRT_SEL |
 202                   TEXOP_OUTPUT_CURRENT |
 203                   DISABLE_TEX_CNTRL_STAGE |
 204                   TEXOP_SCALE_1X |
 205                   TEXOP_MODIFY_PARMS | TEXOP_LAST_STAGE | TEXBLENDOP_ARG1);
 206         OUT_BATCH(_3DSTATE_MAP_BLEND_OP_CMD(0) |
 207                   TEXPIPE_ALPHA |
 208                   ENABLE_TEXOUTPUT_WRT_SEL |
 209                   TEXOP_OUTPUT_CURRENT |
 210                   TEXOP_SCALE_1X | TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1);
 211         OUT_BATCH(_3DSTATE_MAP_BLEND_ARG_CMD(0) |
 212                   TEXPIPE_COLOR |
 213                   TEXBLEND_ARG1 |
 214                   TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_DIFFUSE);
 215         OUT_BATCH(_3DSTATE_MAP_BLEND_ARG_CMD(0) |
 216                   TEXPIPE_ALPHA |
 217                   TEXBLEND_ARG1 |
 218                   TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_DIFFUSE);
 219
 220         OUT_BATCH(_3DSTATE_AA_CMD |
 221                   AA_LINE_ECAAR_WIDTH_ENABLE |
 222                   AA_LINE_ECAAR_WIDTH_1_0 |
 223                   AA_LINE_REGION_WIDTH_ENABLE |
 224                   AA_LINE_REGION_WIDTH_1_0 | AA_LINE_DISABLE);
 225 }