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 "pipe/p_inlines.h"
  27 #include "pipe/p_state.h"
  28
  29
  30 #include "svga_context.h"
  31 #include "svga_state.h"
  32 #include "svga_debug.h"
  33 #include "svga_hw_reg.h"
  34
  35 /***********************************************************************
  36  */
  37
  38 static INLINE SVGA3dDeclType
  39 svga_translate_vertex_format(enum pipe_format format)
  40 {
  41    switch (format) {
  42    case PIPE_FORMAT_R32_FLOAT:            return SVGA3D_DECLTYPE_FLOAT1;
  43    case PIPE_FORMAT_R32G32_FLOAT:         return SVGA3D_DECLTYPE_FLOAT2;
  44    case PIPE_FORMAT_R32G32B32_FLOAT:      return SVGA3D_DECLTYPE_FLOAT3;
  45    case PIPE_FORMAT_R32G32B32A32_FLOAT:   return SVGA3D_DECLTYPE_FLOAT4;
  46    case PIPE_FORMAT_B8G8R8A8_UNORM:       return SVGA3D_DECLTYPE_D3DCOLOR;
  47    case PIPE_FORMAT_R8G8B8A8_USCALED:     return SVGA3D_DECLTYPE_UBYTE4;
  48    case PIPE_FORMAT_R16G16_SSCALED:       return SVGA3D_DECLTYPE_SHORT2;
  49    case PIPE_FORMAT_R16G16B16A16_SSCALED: return SVGA3D_DECLTYPE_SHORT4;
  50    case PIPE_FORMAT_R8G8B8A8_UNORM:       return SVGA3D_DECLTYPE_UBYTE4N;
  51    case PIPE_FORMAT_R16G16_SNORM:         return SVGA3D_DECLTYPE_SHORT2N;
  52    case PIPE_FORMAT_R16G16B16A16_SNORM:   return SVGA3D_DECLTYPE_SHORT4N;
  53    case PIPE_FORMAT_R16G16_UNORM:         return SVGA3D_DECLTYPE_USHORT2N;
  54    case PIPE_FORMAT_R16G16B16A16_UNORM:   return SVGA3D_DECLTYPE_USHORT4N;
  55
  56    /* These formats don't exist yet:
  57     *
  58    case PIPE_FORMAT_R10G10B10_USCALED:    return SVGA3D_DECLTYPE_UDEC3;
  59    case PIPE_FORMAT_R10G10B10_SNORM:      return SVGA3D_DECLTYPE_DEC3N;
  60    case PIPE_FORMAT_R16G16_FLOAT:         return SVGA3D_DECLTYPE_FLOAT16_2;
  61    case PIPE_FORMAT_R16G16B16A16_FLOAT:   return SVGA3D_DECLTYPE_FLOAT16_4;
  62    */
  63
  64    default:
  65       /* There are many formats without hardware support.  This case
  66        * will be hit regularly, meaning we'll need swvfetch.
  67        */
  68       return SVGA3D_DECLTYPE_MAX;
  69    }
  70 }
  71
  72
  73 static int update_need_swvfetch( struct svga_context *svga,
  74                                  unsigned dirty )
  75 {
  76    unsigned i;
  77    boolean need_swvfetch = FALSE;
  78
  79    for (i = 0; i < svga->curr.num_vertex_elements; i++) {
  80       svga->state.sw.ve_format[i] = svga_translate_vertex_format(svga->curr.ve[i].src_format);
  81       if (svga->state.sw.ve_format[i] == SVGA3D_DECLTYPE_MAX) {
  82          need_swvfetch = TRUE;
  83          break;
  84       }
  85    }
  86
  87    if (need_swvfetch != svga->state.sw.need_swvfetch) {
  88       svga->state.sw.need_swvfetch = need_swvfetch;
  89       svga->dirty |= SVGA_NEW_NEED_SWVFETCH;
  90    }
  91
  92    return 0;
  93 }
  94
  95 struct svga_tracked_state svga_update_need_swvfetch =
  96 {
  97    "update need_swvfetch",
  98    ( SVGA_NEW_VELEMENT ),
  99    update_need_swvfetch
 100 };
 101
 102
 103 /***********************************************************************
 104  */
 105
 106 static int update_need_pipeline( struct svga_context *svga,
 107                                  unsigned dirty )
 108 {
 109
 110    boolean need_pipeline = FALSE;
 111    struct svga_vertex_shader *vs = svga->curr.vs;
 112
 113    /* SVGA_NEW_RAST, SVGA_NEW_REDUCED_PRIMITIVE
 114     */
 115    if (svga->curr.rast->need_pipeline & (1 << svga->curr.reduced_prim)) {
 116       SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline (%d) & prim (%x)\n",
 117                  __FUNCTION__,
 118                  svga->curr.rast->need_pipeline,
 119                  (1 << svga->curr.reduced_prim) );
 120       need_pipeline = TRUE;
 121    }
 122
 123    /* EDGEFLAGS
 124     */
 125     if (vs->base.info.writes_edgeflag) {
 126       SVGA_DBG(DEBUG_SWTNL, "%s: edgeflags\n", __FUNCTION__);
 127       need_pipeline = TRUE;
 128    }
 129
 130    /* SVGA_NEW_CLIP
 131     */
 132    if (!svga->curr.rast->templ.bypass_vs_clip_and_viewport &&
 133        svga->curr.clip.nr) {
 134       SVGA_DBG(DEBUG_SWTNL, "%s: userclip\n", __FUNCTION__);
 135       need_pipeline = TRUE;
 136    }
 137
 138    if (need_pipeline != svga->state.sw.need_pipeline) {
 139       svga->state.sw.need_pipeline = need_pipeline;
 140       svga->dirty |= SVGA_NEW_NEED_PIPELINE;
 141    }
 142
 143    return 0;
 144 }
 145
 146
 147 struct svga_tracked_state svga_update_need_pipeline =
 148 {
 149    "need pipeline",
 150    (SVGA_NEW_RAST |
 151     SVGA_NEW_CLIP |
 152     SVGA_NEW_VS |
 153     SVGA_NEW_REDUCED_PRIMITIVE),
 154    update_need_pipeline
 155 };
 156
 157
 158 /***********************************************************************
 159  */
 160
 161 static int update_need_swtnl( struct svga_context *svga,
 162                               unsigned dirty )
 163 {
 164    boolean need_swtnl;
 165
 166    if (svga->debug.no_swtnl) {
 167       svga->state.sw.need_swvfetch = 0;
 168       svga->state.sw.need_pipeline = 0;
 169    }
 170
 171    need_swtnl = (svga->state.sw.need_swvfetch ||
 172                  svga->state.sw.need_pipeline);
 173
 174    if (svga->debug.force_swtnl) {
 175       need_swtnl = 1;
 176    }
 177
 178    if (need_swtnl != svga->state.sw.need_swtnl) {
 179       SVGA_DBG(DEBUG_SWTNL|DEBUG_PERF,
 180                "%s need_swvfetch: %s, need_pipeline %s\n",
 181                __FUNCTION__,
 182                svga->state.sw.need_swvfetch ? "true" : "false",
 183                svga->state.sw.need_pipeline ? "true" : "false");
 184
 185       svga->state.sw.need_swtnl = need_swtnl;
 186       svga->dirty |= SVGA_NEW_NEED_SWTNL;
 187       svga->swtnl.new_vdecl = TRUE;
 188    }
 189
 190    return 0;
 191 }
 192
 193
 194 struct svga_tracked_state svga_update_need_swtnl =
 195 {
 196    "need swtnl",
 197    (SVGA_NEW_NEED_PIPELINE |
 198     SVGA_NEW_NEED_SWVFETCH),
 199    update_need_swtnl
 200 };