src/gallium/drivers/r300/r300_state_invariant.c

   1 /*
   2  * Copyright 2009 Joakim Sindholt <opensource@zhasha.com>
   3  *                Corbin Simpson <MostAwesomeDude@gmail.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 #include "r300_context.h"
  25 #include "r300_cs.h"
  26 #include "r300_reg.h"
  27 #include "r300_screen.h"
  28 #include "r300_state_invariant.h"
  29
  30 /* Calculate and emit invariant state. This is data that the 3D engine
  31  * will probably want at the beginning of every CS, but it's not currently
  32  * handled by any CSO setup, and in addition it doesn't really change much.
  33  *
  34  * Note that eventually this should be empty, but it's useful for development
  35  * and general unduplication of code. */
  36 void r300_emit_invariant_state(struct r300_context* r300,
  37                                unsigned size, void* state)
  38 {
  39     CS_LOCALS(r300);
  40
  41     if (r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0)) {
  42         /* Subpixel multisampling for AA. */
  43         BEGIN_CS(4);
  44         OUT_CS_REG(R300_GB_MSPOS0, 0x66666666);
  45         OUT_CS_REG(R300_GB_MSPOS1, 0x6666666);
  46         END_CS;
  47     }
  48
  49     BEGIN_CS(12 + (r300->screen->caps.has_tcl ? 2 : 0));
  50
  51     /*** Graphics Backend (GB) ***/
  52     /* Source of fog depth */
  53     OUT_CS_REG(R300_GB_SELECT, R300_GB_FOG_SELECT_1_1_W);
  54
  55     /*** Fog (FG) ***/
  56     OUT_CS_REG(R300_FG_FOG_BLEND, 0x0);
  57     OUT_CS_REG(R300_FG_FOG_COLOR_R, 0x0);
  58     OUT_CS_REG(R300_FG_FOG_COLOR_G, 0x0);
  59     OUT_CS_REG(R300_FG_FOG_COLOR_B, 0x0);
  60
  61     /*** VAP ***/
  62     /* Sign/normalize control */
  63     OUT_CS_REG(R300_VAP_PSC_SGN_NORM_CNTL, R300_SGN_NORM_NO_ZERO);
  64     /* TCL-only stuff */
  65     if (r300->screen->caps.has_tcl) {
  66         /* Amount of time to wait for vertex fetches in PVS */
  67         OUT_CS_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xffff);
  68     }
  69
  70     END_CS;
  71
  72     /* XXX unsorted stuff from surface_fill */
  73     BEGIN_CS(38 + (r300->screen->caps.has_tcl ? 7 : 0) +
  74              (r300->screen->caps.is_rv350 ? 4 : 0));
  75
  76     if (r300->screen->caps.has_tcl) {
  77         /*Flushing PVS is required before the VAP_GB registers can be changed*/
  78         OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0);
  79         OUT_CS_REG_SEQ(R300_VAP_GB_VERT_CLIP_ADJ, 4);
  80         OUT_CS_32F(1.0);
  81         OUT_CS_32F(1.0);
  82         OUT_CS_32F(1.0);
  83         OUT_CS_32F(1.0);
  84     }
  85     /* XXX line tex stuffing */
  86     OUT_CS_REG_SEQ(R300_GA_LINE_S0, 1);
  87     OUT_CS_32F(0.0);
  88     OUT_CS_REG_SEQ(R300_GA_LINE_S1, 1);
  89     OUT_CS_32F(1.0);
  90     OUT_CS_REG(R300_GA_TRIANGLE_STIPPLE, 0x5 |
  91         (0x5 << R300_GA_TRIANGLE_STIPPLE_Y_SHIFT_SHIFT));
  92     /* XXX this big chunk should be refactored into rs_state */
  93     OUT_CS_REG(R300_GA_SOLID_RG, 0x00000000);
  94     OUT_CS_REG(R300_GA_SOLID_BA, 0x00000000);
  95     OUT_CS_REG(R300_GA_ROUND_MODE, 0x00000001);
  96     OUT_CS_REG(R300_GA_OFFSET, 0x00000000);
  97     OUT_CS_REG(R300_GA_FOG_SCALE, 0x3DBF1412);
  98     OUT_CS_REG(R300_GA_FOG_OFFSET, 0x00000000);
  99     OUT_CS_REG(R300_SU_TEX_WRAP, 0x00000000);
 100     OUT_CS_REG(R300_SU_DEPTH_SCALE, 0x4B7FFFFF);
 101     OUT_CS_REG(R300_SU_DEPTH_OFFSET, 0x00000000);
 102     OUT_CS_REG(R300_SC_HYPERZ, 0x0000001C);
 103     OUT_CS_REG(R300_SC_EDGERULE, 0x2DA49525);
 104     OUT_CS_REG(R300_RB3D_AARESOLVE_CTL, 0x00000000);
 105
 106     if (r300->screen->caps.is_rv350) {
 107         OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD, 0x01010101);
 108         OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD, 0xFEFEFEFE);
 109     }
 110
 111     OUT_CS_REG(R300_ZB_BW_CNTL, 0x00000000);
 112     OUT_CS_REG(R300_ZB_DEPTHCLEARVALUE, 0x00000000);
 113     OUT_CS_REG(R300_ZB_HIZ_OFFSET, 0x00000000);
 114     OUT_CS_REG(R300_ZB_HIZ_PITCH, 0x00000000);
 115     END_CS;
 116 }