nv50: fix bogus error message about 3d surfaces
[mesa.git] / src / gallium / drivers / svga / svga_state_need_swtnl.c
index 94fe0bc9682640e0d432c97edca3405a6e78667d..5a37f9fc2871bb962a4b5444744e69433b9e5909 100644 (file)
 /***********************************************************************
  */
 
+
+/**
+ * Given a gallium vertex element format, return the corresponding SVGA3D
+ * format.  Return SVGA3D_DECLTYPE_MAX for unsupported gallium formats.
+ */
 static INLINE SVGA3dDeclType 
 svga_translate_vertex_format(enum pipe_format format)
 {
@@ -52,14 +57,10 @@ svga_translate_vertex_format(enum pipe_format format)
    case PIPE_FORMAT_R16G16B16A16_SNORM:   return SVGA3D_DECLTYPE_SHORT4N;
    case PIPE_FORMAT_R16G16_UNORM:         return SVGA3D_DECLTYPE_USHORT2N;
    case PIPE_FORMAT_R16G16B16A16_UNORM:   return SVGA3D_DECLTYPE_USHORT4N;
-
-   /* These formats don't exist yet:
-    * 
-   case PIPE_FORMAT_R10G10B10_USCALED:    return SVGA3D_DECLTYPE_UDEC3;
-   case PIPE_FORMAT_R10G10B10_SNORM:      return SVGA3D_DECLTYPE_DEC3N;
+   case PIPE_FORMAT_R10G10B10X2_USCALED:  return SVGA3D_DECLTYPE_UDEC3;
+   case PIPE_FORMAT_R10G10B10X2_SNORM:    return SVGA3D_DECLTYPE_DEC3N;
    case PIPE_FORMAT_R16G16_FLOAT:         return SVGA3D_DECLTYPE_FLOAT16_2;
    case PIPE_FORMAT_R16G16B16A16_FLOAT:   return SVGA3D_DECLTYPE_FLOAT16_4;
-   */
 
    default:
       /* There are many formats without hardware support.  This case
@@ -76,9 +77,15 @@ static int update_need_swvfetch( struct svga_context *svga,
    unsigned i;
    boolean need_swvfetch = FALSE;
 
+   if (!svga->curr.velems) {
+      /* No vertex elements bound. */
+      return 0;
+   }
+
    for (i = 0; i < svga->curr.velems->count; i++) {
       svga->state.sw.ve_format[i] = svga_translate_vertex_format(svga->curr.velems->velem[i].src_format);
       if (svga->state.sw.ve_format[i] == SVGA3D_DECLTYPE_MAX) {
+         /* Unsupported format - use software fetch */
          need_swvfetch = TRUE;
          break;
       }
@@ -113,10 +120,15 @@ static int update_need_pipeline( struct svga_context *svga,
    /* SVGA_NEW_RAST, SVGA_NEW_REDUCED_PRIMITIVE
     */
    if (svga->curr.rast->need_pipeline & (1 << svga->curr.reduced_prim)) {
-      SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline (%d) & prim (%x)\n", 
+      SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline (0x%x) & prim (0x%x)\n",
                  __FUNCTION__,
                  svga->curr.rast->need_pipeline,
                  (1 << svga->curr.reduced_prim) );
+      SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline tris (%s), lines (%s), points (%s)\n",
+                 __FUNCTION__,
+                 svga->curr.rast->need_pipeline_tris_str,
+                 svga->curr.rast->need_pipeline_lines_str,
+                 svga->curr.rast->need_pipeline_points_str);
       need_pipeline = TRUE;
    }
 
@@ -127,19 +139,15 @@ static int update_need_pipeline( struct svga_context *svga,
       need_pipeline = TRUE;
    }
 
-   /* SVGA_NEW_CLIP 
-    */
-   if (!svga->curr.rast->templ.bypass_vs_clip_and_viewport &&
-       svga->curr.clip.nr) {
-      SVGA_DBG(DEBUG_SWTNL, "%s: userclip\n", __FUNCTION__);
-      need_pipeline = TRUE;
-   }
-
    if (need_pipeline != svga->state.sw.need_pipeline) {
       svga->state.sw.need_pipeline = need_pipeline;
       svga->dirty |= SVGA_NEW_NEED_PIPELINE;
    }
 
+   /* DEBUG */
+   if (0 && svga->state.sw.need_pipeline)
+      debug_printf("sw.need_pipeline = %d\n", svga->state.sw.need_pipeline);
+
    return 0;
 }
 
@@ -148,7 +156,6 @@ struct svga_tracked_state svga_update_need_pipeline =
 {
    "need pipeline",
    (SVGA_NEW_RAST |
-    SVGA_NEW_CLIP |
     SVGA_NEW_VS |
     SVGA_NEW_REDUCED_PRIMITIVE),
    update_need_pipeline
@@ -164,20 +171,28 @@ static int update_need_swtnl( struct svga_context *svga,
    boolean need_swtnl;
 
    if (svga->debug.no_swtnl) {
-      svga->state.sw.need_swvfetch = 0;
-      svga->state.sw.need_pipeline = 0;
+      svga->state.sw.need_swvfetch = FALSE;
+      svga->state.sw.need_pipeline = FALSE;
    }
 
    need_swtnl = (svga->state.sw.need_swvfetch ||
                  svga->state.sw.need_pipeline);
 
    if (svga->debug.force_swtnl) {
-      need_swtnl = 1;
+      need_swtnl = TRUE;
    }
 
+   /*
+    * Some state changes the draw module does makes us belive we
+    * we don't need swtnl. This causes the vdecl code to pickup
+    * the wrong buffers and vertex formats. Try trivial/line-wide.
+    */
+   if (svga->state.sw.in_swtnl_draw)
+      need_swtnl = TRUE;
+
    if (need_swtnl != svga->state.sw.need_swtnl) {
       SVGA_DBG(DEBUG_SWTNL|DEBUG_PERF,
-               "%s need_swvfetch: %s, need_pipeline %s\n",
+               "%s: need_swvfetch %s, need_pipeline %s\n",
                __FUNCTION__,
                svga->state.sw.need_swvfetch ? "true" : "false",
                svga->state.sw.need_pipeline ? "true" : "false");