src/i915_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 "i915_reg.h"
  36
  37 void I915EmitInvarientState(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_AA_CMD |
  44                   AA_LINE_ECAAR_WIDTH_ENABLE |
  45                   AA_LINE_ECAAR_WIDTH_1_0 |
  46                   AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
  47
  48         /* Disable independent alpha blend */
  49         OUT_BATCH(_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
  50                   IAB_MODIFY_ENABLE |
  51                   IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) |
  52                   IAB_MODIFY_SRC_FACTOR | (BLENDFACT_ONE <<
  53                                            IAB_SRC_FACTOR_SHIFT) |
  54                   IAB_MODIFY_DST_FACTOR | (BLENDFACT_ZERO <<
  55                                            IAB_DST_FACTOR_SHIFT));
  56
  57         OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
  58         OUT_BATCH(0);
  59
  60         OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
  61         OUT_BATCH(0);
  62
  63         OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
  64         OUT_BATCH(0);
  65
  66         /* Don't support texture crossbar yet */
  67         OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
  68                   CSB_TCB(0, 0) |
  69                   CSB_TCB(1, 1) |
  70                   CSB_TCB(2, 2) |
  71                   CSB_TCB(3, 3) |
  72                   CSB_TCB(4, 4) |
  73                   CSB_TCB(5, 5) | CSB_TCB(6, 6) | CSB_TCB(7, 7));
  74
  75         OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
  76                   ENABLE_POINT_RASTER_RULE |
  77                   OGL_POINT_RASTER_RULE |
  78                   ENABLE_LINE_STRIP_PROVOKE_VRTX |
  79                   ENABLE_TRI_FAN_PROVOKE_VRTX |
  80                   LINE_STRIP_PROVOKE_VRTX(1) |
  81                   TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D);
  82
  83         OUT_BATCH(_3DSTATE_MODES_4_CMD |
  84                   ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) |
  85                   ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) |
  86                   ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff));
  87
  88         OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2);
  89         OUT_BATCH(0x00000000);  /* Disable texture coordinate wrap-shortest */
  90         OUT_BATCH((1 << S4_POINT_WIDTH_SHIFT) |
  91                   S4_LINE_WIDTH_ONE |
  92                   S4_CULLMODE_NONE |
  93                   S4_VFMT_XY);
  94         OUT_BATCH(0x00000000);  /* Stencil. */
  95
  96         OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
  97         OUT_BATCH(_3DSTATE_SCISSOR_RECT_0_CMD);
  98         OUT_BATCH(0);
  99         OUT_BATCH(0);
 100
 101         OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);
 102
 103         OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0);  /* disable indirect state */
 104         OUT_BATCH(0);
 105
 106         OUT_BATCH(_3DSTATE_STIPPLE);
 107         OUT_BATCH(0x00000000);
 108
 109         OUT_BATCH(_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0);
 110 }