src/gallium/drivers/svga/svga_state_need_swtnl.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "util/u_inlines.h"
  27 #include "pipe/p_state.h"
  28 #include "svga_context.h"
  29 #include "svga_shader.h"
  30 #include "svga_state.h"
  31 #include "svga_debug.h"
  32 #include "svga_hw_reg.h"
  33
  34
  35 static enum pipe_error
  36 update_need_swvfetch(struct svga_context *svga, unsigned dirty)
  37 {
  38    if (!svga->curr.velems) {
  39       /* No vertex elements bound. */
  40       return PIPE_OK;
  41    }
  42
  43    if (svga->state.sw.need_swvfetch != svga->curr.velems->need_swvfetch) {
  44       svga->state.sw.need_swvfetch = svga->curr.velems->need_swvfetch;
  45       svga->dirty |= SVGA_NEW_NEED_SWVFETCH;
  46    }
  47
  48    return PIPE_OK;
  49 }
  50
  51 struct svga_tracked_state svga_update_need_swvfetch =
  52 {
  53    "update need_swvfetch",
  54    ( SVGA_NEW_VELEMENT ),
  55    update_need_swvfetch
  56 };
  57
  58
  59
  60 static enum pipe_error
  61 update_need_pipeline(struct svga_context *svga, unsigned dirty)
  62 {
  63    boolean need_pipeline = FALSE;
  64    struct svga_vertex_shader *vs = svga->curr.vs;
  65
  66    /* SVGA_NEW_RAST, SVGA_NEW_REDUCED_PRIMITIVE
  67     */
  68    if (svga->curr.rast->need_pipeline & (1 << svga->curr.reduced_prim)) {
  69       SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline (0x%x) & prim (0x%x)\n",
  70                  __FUNCTION__,
  71                  svga->curr.rast->need_pipeline,
  72                  (1 << svga->curr.reduced_prim) );
  73       SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline tris (%s), lines (%s), points (%s)\n",
  74                  __FUNCTION__,
  75                  svga->curr.rast->need_pipeline_tris_str,
  76                  svga->curr.rast->need_pipeline_lines_str,
  77                  svga->curr.rast->need_pipeline_points_str);
  78       need_pipeline = TRUE;
  79    }
  80
  81    /* EDGEFLAGS
  82     */
  83     if (vs && vs->base.info.writes_edgeflag) {
  84       SVGA_DBG(DEBUG_SWTNL, "%s: edgeflags\n", __FUNCTION__);
  85       need_pipeline = TRUE;
  86    }
  87
  88    /* SVGA_NEW_FS, SVGA_NEW_RAST, SVGA_NEW_REDUCED_PRIMITIVE
  89     */
  90    if (svga->curr.reduced_prim == PIPE_PRIM_POINTS) {
  91       unsigned sprite_coord_gen = svga->curr.rast->templ.sprite_coord_enable;
  92       unsigned generic_inputs =
  93          svga->curr.fs ? svga->curr.fs->generic_inputs : 0;
  94
  95       if (!svga_have_vgpu10(svga) && sprite_coord_gen &&
  96           (generic_inputs & ~sprite_coord_gen)) {
  97          /* The fragment shader is using some generic inputs that are
  98           * not being replaced by auto-generated point/sprite coords (and
  99           * auto sprite coord generation is turned on).
 100           * The SVGA3D interface does not support that: if we enable
 101           * SVGA3D_RS_POINTSPRITEENABLE it gets enabled for _all_
 102           * texture coordinate sets.
 103           * To solve this, we have to use the draw-module's wide/sprite
 104           * point stage.
 105           */
 106          need_pipeline = TRUE;
 107       }
 108    }
 109
 110    if (need_pipeline != svga->state.sw.need_pipeline) {
 111       svga->state.sw.need_pipeline = need_pipeline;
 112       svga->dirty |= SVGA_NEW_NEED_PIPELINE;
 113    }
 114
 115    /* DEBUG */
 116    if (0 && svga->state.sw.need_pipeline)
 117       debug_printf("sw.need_pipeline = %d\n", svga->state.sw.need_pipeline);
 118
 119    return PIPE_OK;
 120 }
 121
 122
 123 struct svga_tracked_state svga_update_need_pipeline =
 124 {
 125    "need pipeline",
 126    (SVGA_NEW_RAST |
 127     SVGA_NEW_FS |
 128     SVGA_NEW_VS |
 129     SVGA_NEW_REDUCED_PRIMITIVE),
 130    update_need_pipeline
 131 };
 132
 133
 134 static enum pipe_error
 135 update_need_swtnl(struct svga_context *svga, unsigned dirty)
 136 {
 137    boolean need_swtnl;
 138
 139    if (svga->debug.no_swtnl) {
 140       svga->state.sw.need_swvfetch = FALSE;
 141       svga->state.sw.need_pipeline = FALSE;
 142    }
 143
 144    need_swtnl = (svga->state.sw.need_swvfetch ||
 145                  svga->state.sw.need_pipeline);
 146
 147    if (svga->debug.force_swtnl) {
 148       need_swtnl = TRUE;
 149    }
 150
 151    /*
 152     * Some state changes the draw module does makes us believe we
 153     * we don't need swtnl. This causes the vdecl code to pickup
 154     * the wrong buffers and vertex formats. Try trivial/line-wide.
 155     */
 156    if (svga->state.sw.in_swtnl_draw)
 157       need_swtnl = TRUE;
 158
 159    if (need_swtnl != svga->state.sw.need_swtnl) {
 160       SVGA_DBG(DEBUG_SWTNL|DEBUG_PERF,
 161                "%s: need_swvfetch %s, need_pipeline %s\n",
 162                __FUNCTION__,
 163                svga->state.sw.need_swvfetch ? "true" : "false",
 164                svga->state.sw.need_pipeline ? "true" : "false");
 165
 166       svga->state.sw.need_swtnl = need_swtnl;
 167       svga->dirty |= SVGA_NEW_NEED_SWTNL;
 168       svga->swtnl.new_vdecl = TRUE;
 169    }
 170
 171    return PIPE_OK;
 172 }
 173
 174
 175 struct svga_tracked_state svga_update_need_swtnl =
 176 {
 177    "need swtnl",
 178    (SVGA_NEW_NEED_PIPELINE |
 179     SVGA_NEW_NEED_SWVFETCH),
 180    update_need_swtnl
 181 };