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                                unsigned size, void* state)
  43 {
  44     struct r300_capabilities* caps = &r300_screen(r300->context.screen)->caps;
  45     CS_LOCALS(r300);
  46
  47     BEGIN_CS(14 + (caps->has_tcl ? 2: 0));
  48
  49     /*** Graphics Backend (GB) ***/
  50     /* Various GB enables */
  51     OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
  52                                R300_GB_LINE_STUFF_ENABLE  |
  53                                R300_GB_TRIANGLE_STUFF_ENABLE);
  54     /* Subpixel multisampling for AA
  55      * These are commented out because glisse's CS checker doesn't like them.
  56      * I presume these will be re-enabled later.
  57      * OUT_CS_REG(R300_GB_MSPOS0, 0x66666666);
  58      * OUT_CS_REG(R300_GB_MSPOS1, 0x6666666);
  59      */
  60     /* Source of fog depth */
  61     OUT_CS_REG(R300_GB_SELECT, R300_GB_FOG_SELECT_1_1_W);
  62
  63     /*** Fog (FG) ***/
  64     OUT_CS_REG(R300_FG_FOG_BLEND, 0x0);
  65     OUT_CS_REG(R300_FG_FOG_COLOR_R, 0x0);
  66     OUT_CS_REG(R300_FG_FOG_COLOR_G, 0x0);
  67     OUT_CS_REG(R300_FG_FOG_COLOR_B, 0x0);
  68
  69     /*** VAP ***/
  70     /* Sign/normalize control */
  71     OUT_CS_REG(R300_VAP_PSC_SGN_NORM_CNTL, R300_SGN_NORM_NO_ZERO);
  72     /* TCL-only stuff */
  73     if (caps->has_tcl) {
  74         /* Amount of time to wait for vertex fetches in PVS */
  75         OUT_CS_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xffff);
  76     }
  77
  78     END_CS;
  79
  80     /* XXX unsorted stuff from surface_fill */
  81     BEGIN_CS(42 + (caps->has_tcl ? 7 : 0) +
  82              (caps->family >= CHIP_FAMILY_RV350 ? 4 : 0));
  83
  84     if (caps->has_tcl) {
  85         /*Flushing PVS is required before the VAP_GB registers can be changed*/
  86         OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0);
  87         OUT_CS_REG_SEQ(R300_VAP_GB_VERT_CLIP_ADJ, 4);
  88         OUT_CS_32F(1.0);
  89         OUT_CS_32F(1.0);
  90         OUT_CS_32F(1.0);
  91         OUT_CS_32F(1.0);
  92     }
  93     /* XXX point tex stuffing */
  94     OUT_CS_REG_SEQ(R300_GA_POINT_S0, 1);
  95     OUT_CS_32F(0.0);
  96     OUT_CS_REG_SEQ(R300_GA_POINT_S1, 1);
  97     OUT_CS_32F(1.0);
  98     /* XXX line tex stuffing */
  99     OUT_CS_REG_SEQ(R300_GA_LINE_S0, 1);
 100     OUT_CS_32F(0.0);
 101     OUT_CS_REG_SEQ(R300_GA_LINE_S1, 1);
 102     OUT_CS_32F(1.0);
 103     OUT_CS_REG(R300_GA_TRIANGLE_STIPPLE, 0x5 |
 104         (0x5 << R300_GA_TRIANGLE_STIPPLE_Y_SHIFT_SHIFT));
 105     /* XXX this big chunk should be refactored into rs_state */
 106     OUT_CS_REG(R300_GA_SOLID_RG, 0x00000000);
 107     OUT_CS_REG(R300_GA_SOLID_BA, 0x00000000);
 108     OUT_CS_REG(R300_GA_ROUND_MODE, 0x00000001);
 109     OUT_CS_REG(R300_GA_OFFSET, 0x00000000);
 110     OUT_CS_REG(R300_GA_FOG_SCALE, 0x3DBF1412);
 111     OUT_CS_REG(R300_GA_FOG_OFFSET, 0x00000000);
 112     OUT_CS_REG(R300_SU_TEX_WRAP, 0x00000000);
 113     OUT_CS_REG(R300_SU_DEPTH_SCALE, 0x4B7FFFFF);
 114     OUT_CS_REG(R300_SU_DEPTH_OFFSET, 0x00000000);
 115     OUT_CS_REG(R300_SC_HYPERZ, 0x0000001C);
 116     OUT_CS_REG(R300_SC_EDGERULE, 0x2DA49525);
 117     OUT_CS_REG(R300_RB3D_AARESOLVE_CTL, 0x00000000);
 118
 119     if (caps->family >= CHIP_FAMILY_RV350) {
 120         OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD, 0x01010101);
 121         OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD, 0xFEFEFEFE);
 122     }
 123
 124     OUT_CS_REG(R300_ZB_BW_CNTL, 0x00000000);
 125     OUT_CS_REG(R300_ZB_DEPTHCLEARVALUE, 0x00000000);
 126     OUT_CS_REG(R300_ZB_HIZ_OFFSET, 0x00000000);
 127     OUT_CS_REG(R300_ZB_HIZ_PITCH, 0x00000000);
 128     END_CS;
 129 }