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 struct pipe_viewport_state r300_viewport_identity = {
  31     .scale = {1.0, 1.0, 1.0, 1.0},
  32     .translate = {0.0, 0.0, 0.0, 0.0},
  33 };
  34
  35 /* Calculate and emit invariant state. This is data that the 3D engine
  36  * will probably want at the beginning of every CS, but it's not currently
  37  * handled by any CSO setup, and in addition it doesn't really change much.
  38  *
  39  * Note that eventually this should be empty, but it's useful for development
  40  * and general unduplication of code. */
  41 void r300_emit_invariant_state(struct r300_context* r300)
  42 {
  43     struct r300_capabilities* caps = r300_screen(r300->context.screen)->caps;
  44     CS_LOCALS(r300);
  45
  46     BEGIN_CS(24 + (caps->has_tcl ? 2: 0));
  47
  48     /*** Graphics Backend (GB) ***/
  49     /* Various GB enables */
  50     OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
  51                                R300_GB_LINE_STUFF_ENABLE  |
  52                                R300_GB_TRIANGLE_STUFF_ENABLE);
  53     /* Subpixel multisampling for AA
  54      * These are commented out because glisse's CS checker doesn't like them.
  55      * I presume these will be re-enabled later.
  56      * OUT_CS_REG(R300_GB_MSPOS0, 0x66666666);
  57      * OUT_CS_REG(R300_GB_MSPOS1, 0x6666666);
  58      */
  59     /* Source of fog depth */
  60     OUT_CS_REG(R300_GB_SELECT, R300_GB_FOG_SELECT_1_1_W);
  61     /* AA enable */
  62     OUT_CS_REG(R300_GB_AA_CONFIG, 0x0);
  63
  64     /*** Fog (FG) ***/
  65     OUT_CS_REG(R300_FG_FOG_BLEND, 0x0);
  66     OUT_CS_REG(R300_FG_FOG_COLOR_R, 0x0);
  67     OUT_CS_REG(R300_FG_FOG_COLOR_G, 0x0);
  68     OUT_CS_REG(R300_FG_FOG_COLOR_B, 0x0);
  69     OUT_CS_REG(R300_FG_DEPTH_SRC, 0x0);
  70     OUT_CS_REG(R300_US_W_FMT, 0x0);
  71
  72     /*** VAP ***/
  73     /* Max and min vertex index clamp. */
  74     OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0x0);
  75     OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, 0xffffff);
  76     /* Sign/normalize control */
  77     OUT_CS_REG(R300_VAP_PSC_SGN_NORM_CNTL, R300_SGN_NORM_NO_ZERO);
  78     /* TCL-only stuff */
  79     if (caps->has_tcl) {
  80         /* Amount of time to wait for vertex fetches in PVS */
  81         OUT_CS_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xffff);
  82     }
  83
  84     END_CS;
  85
  86     /* XXX unsorted stuff from surface_fill */
  87     BEGIN_CS(56 + (caps->has_tcl ? 5 : 0) + (caps->is_r500 ? 4 : 0));
  88     /* Flush PVS. */
  89     OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
  90
  91     OUT_CS_REG(R300_SE_VTE_CNTL, R300_VPORT_X_SCALE_ENA |
  92         R300_VPORT_X_OFFSET_ENA | R300_VPORT_Y_SCALE_ENA |
  93         R300_VPORT_Y_OFFSET_ENA | R300_VPORT_Z_SCALE_ENA |
  94         R300_VPORT_Z_OFFSET_ENA | R300_VTX_W0_FMT);
  95     if (caps->has_tcl) {
  96         OUT_CS_REG_SEQ(R300_VAP_GB_VERT_CLIP_ADJ, 4);
  97         OUT_CS_32F(1.0);
  98         OUT_CS_32F(1.0);
  99         OUT_CS_32F(1.0);
 100         OUT_CS_32F(1.0);
 101     }
 102     /* XXX point tex stuffing */
 103     OUT_CS_REG_SEQ(R300_GA_POINT_S0, 1);
 104     OUT_CS_32F(0.0);
 105     OUT_CS_REG_SEQ(R300_GA_POINT_S1, 1);
 106     OUT_CS_32F(1.0);
 107     /* XXX line tex stuffing */
 108     OUT_CS_REG_SEQ(R300_GA_LINE_S0, 1);
 109     OUT_CS_32F(0.0);
 110     OUT_CS_REG_SEQ(R300_GA_LINE_S1, 1);
 111     OUT_CS_32F(1.0);
 112     OUT_CS_REG(R300_GA_TRIANGLE_STIPPLE, 0x5 |
 113         (0x5 << R300_GA_TRIANGLE_STIPPLE_Y_SHIFT_SHIFT));
 114     /* XXX this big chunk should be refactored into rs_state */
 115     OUT_CS_REG(R300_GA_SOLID_RG, 0x00000000);
 116     OUT_CS_REG(R300_GA_SOLID_BA, 0x00000000);
 117     OUT_CS_REG(R300_GA_ROUND_MODE, 0x00000001);
 118     OUT_CS_REG(R300_GA_OFFSET, 0x00000000);
 119     OUT_CS_REG(R300_GA_FOG_SCALE, 0x3DBF1412);
 120     OUT_CS_REG(R300_GA_FOG_OFFSET, 0x00000000);
 121     OUT_CS_REG(R300_SU_TEX_WRAP, 0x00000000);
 122     OUT_CS_REG(R300_SU_DEPTH_SCALE, 0x4B7FFFFF);
 123     OUT_CS_REG(R300_SU_DEPTH_OFFSET, 0x00000000);
 124     OUT_CS_REG(R300_SC_HYPERZ, 0x0000001C);
 125     OUT_CS_REG(R300_SC_EDGERULE, 0x2DA49525);
 126     OUT_CS_REG(R300_RB3D_CCTL, 0x00000000);
 127     OUT_CS_REG(R300_RB3D_AARESOLVE_CTL, 0x00000000);
 128     if (caps->is_r500) {
 129         OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD, 0x00000000);
 130         OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD, 0xFFFFFFFF);
 131     }
 132     OUT_CS_REG(R300_ZB_FORMAT, 0x00000002);
 133     OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT, 0x00000003);
 134     OUT_CS_REG(R300_ZB_BW_CNTL, 0x00000000);
 135     OUT_CS_REG(R300_ZB_DEPTHCLEARVALUE, 0x00000000);
 136     OUT_CS_REG(R300_ZB_HIZ_OFFSET, 0x00000000);
 137     OUT_CS_REG(R300_ZB_HIZ_PITCH, 0x00000000);
 138     OUT_CS_REG(R300_SE_VTE_CNTL, 0x0000043F);
 139
 140     /* XXX */
 141     OUT_CS_REG(R300_SC_CLIP_RULE, 0xaaaa);
 142
 143     END_CS;
 144 }