[Mesa-dev] [PATCH] svga: move draw debug code into separate function

Charmaine Lee charmainel at vmware.com
Mon Apr 21 13:48:22 PDT 2014



----- Original Message -----
> ---
>  src/gallium/drivers/svga/svga_draw.c |  258
>  ++++++++++++++++++----------------
>  1 file changed, 135 insertions(+), 123 deletions(-)
> 
> diff --git a/src/gallium/drivers/svga/svga_draw.c
> b/src/gallium/drivers/svga/svga_draw.c
> index fa0cac4..366a2dc 100644
> --- a/src/gallium/drivers/svga/svga_draw.c
> +++ b/src/gallium/drivers/svga/svga_draw.c
> @@ -287,6 +287,140 @@ svga_hwtnl_set_index_bias(struct svga_hwtnl *hwtnl, int
> index_bias)
>   * Internal functions:
>   */
>  
> +/**
> + * For debugging only.
> + */
> +static void
> +check_draw_params(struct svga_hwtnl *hwtnl,
> +                  const SVGA3dPrimitiveRange *range,
> +                  unsigned min_index, unsigned max_index,
> +                  struct pipe_resource *ib)
> +{
> +   unsigned i;
> +
> +   for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
> +      struct pipe_resource *vb = hwtnl->cmd.vdecl_vb[i];
> +      unsigned size = vb ? vb->width0 : 0;
> +      unsigned offset = hwtnl->cmd.vdecl[i].array.offset;
> +      unsigned stride = hwtnl->cmd.vdecl[i].array.stride;
> +      int index_bias = (int) range->indexBias + hwtnl->index_bias;
> +      unsigned width;
> +
> +      assert(vb);
> +      assert(size);
> +      assert(offset < size);
> +      assert(min_index <= max_index);
> +
> +      switch (hwtnl->cmd.vdecl[i].identity.type) {
> +      case SVGA3D_DECLTYPE_FLOAT1:
> +         width = 4;
> +         break;
> +      case SVGA3D_DECLTYPE_FLOAT2:
> +         width = 4 * 2;
> +         break;
> +      case SVGA3D_DECLTYPE_FLOAT3:
> +         width = 4 * 3;
> +         break;
> +      case SVGA3D_DECLTYPE_FLOAT4:
> +         width = 4 * 4;
> +         break;
> +      case SVGA3D_DECLTYPE_D3DCOLOR:
> +         width = 4;
> +         break;
> +      case SVGA3D_DECLTYPE_UBYTE4:
> +         width = 1 * 4;
> +         break;
> +      case SVGA3D_DECLTYPE_SHORT2:
> +         width = 2 * 2;
> +         break;
> +      case SVGA3D_DECLTYPE_SHORT4:
> +         width = 2 * 4;
> +         break;
> +      case SVGA3D_DECLTYPE_UBYTE4N:
> +         width = 1 * 4;
> +         break;
> +      case SVGA3D_DECLTYPE_SHORT2N:
> +         width = 2 * 2;
> +         break;
> +      case SVGA3D_DECLTYPE_SHORT4N:
> +         width = 2 * 4;
> +         break;
> +      case SVGA3D_DECLTYPE_USHORT2N:
> +         width = 2 * 2;
> +         break;
> +      case SVGA3D_DECLTYPE_USHORT4N:
> +         width = 2 * 4;
> +         break;
> +      case SVGA3D_DECLTYPE_UDEC3:
> +         width = 4;
> +         break;
> +      case SVGA3D_DECLTYPE_DEC3N:
> +         width = 4;
> +         break;
> +      case SVGA3D_DECLTYPE_FLOAT16_2:
> +         width = 2 * 2;
> +         break;
> +      case SVGA3D_DECLTYPE_FLOAT16_4:
> +         width = 2 * 4;
> +         break;
> +      default:
> +         assert(0);
> +         width = 0;
> +         break;
> +      }
> +
> +      if (index_bias >= 0) {
> +         assert(offset + index_bias * stride + width <= size);
> +      }
> +
> +      /*
> +       * min_index/max_index are merely conservative guesses, so we can't
> +       * make buffer overflow detection based on their values.
> +       */
> +   }
> +
> +   assert(range->indexWidth == range->indexArray.stride);
> +
> +   if (ib) {
> +      unsigned size = ib->width0;
> +      unsigned offset = range->indexArray.offset;
> +      unsigned stride = range->indexArray.stride;
> +      unsigned count;
> +
> +      assert(size);
> +      assert(offset < size);
> +      assert(stride);
> +
> +      switch (range->primType) {
> +      case SVGA3D_PRIMITIVE_POINTLIST:
> +         count = range->primitiveCount;
> +         break;
> +      case SVGA3D_PRIMITIVE_LINELIST:
> +         count = range->primitiveCount * 2;
> +         break;
> +      case SVGA3D_PRIMITIVE_LINESTRIP:
> +         count = range->primitiveCount + 1;
> +         break;
> +      case SVGA3D_PRIMITIVE_TRIANGLELIST:
> +         count = range->primitiveCount * 3;
> +         break;
> +      case SVGA3D_PRIMITIVE_TRIANGLESTRIP:
> +         count = range->primitiveCount + 2;
> +         break;
> +      case SVGA3D_PRIMITIVE_TRIANGLEFAN:
> +         count = range->primitiveCount + 2;
> +         break;
> +      default:
> +         assert(0);
> +         count = 0;
> +         break;
> +      }
> +
> +      assert(offset + count * stride <= size);
> +   }
> +}
> +
> +
>  enum pipe_error
>  svga_hwtnl_prim(struct svga_hwtnl *hwtnl,
>                  const SVGA3dPrimitiveRange * range,
> @@ -296,129 +430,7 @@ svga_hwtnl_prim(struct svga_hwtnl *hwtnl,
>     enum pipe_error ret = PIPE_OK;
>  
>  #ifdef DEBUG
> -   {
> -      unsigned i;
> -      for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
> -         struct pipe_resource *vb = hwtnl->cmd.vdecl_vb[i];
> -         unsigned size = vb ? vb->width0 : 0;
> -         unsigned offset = hwtnl->cmd.vdecl[i].array.offset;
> -         unsigned stride = hwtnl->cmd.vdecl[i].array.stride;
> -         int index_bias = (int) range->indexBias + hwtnl->index_bias;
> -         unsigned width;
> -
> -         assert(vb);
> -         assert(size);
> -         assert(offset < size);
> -         assert(min_index <= max_index);
> -
> -         switch (hwtnl->cmd.vdecl[i].identity.type) {
> -         case SVGA3D_DECLTYPE_FLOAT1:
> -            width = 4;
> -            break;
> -         case SVGA3D_DECLTYPE_FLOAT2:
> -            width = 4 * 2;
> -            break;
> -         case SVGA3D_DECLTYPE_FLOAT3:
> -            width = 4 * 3;
> -            break;
> -         case SVGA3D_DECLTYPE_FLOAT4:
> -            width = 4 * 4;
> -            break;
> -         case SVGA3D_DECLTYPE_D3DCOLOR:
> -            width = 4;
> -            break;
> -         case SVGA3D_DECLTYPE_UBYTE4:
> -            width = 1 * 4;
> -            break;
> -         case SVGA3D_DECLTYPE_SHORT2:
> -            width = 2 * 2;
> -            break;
> -         case SVGA3D_DECLTYPE_SHORT4:
> -            width = 2 * 4;
> -            break;
> -         case SVGA3D_DECLTYPE_UBYTE4N:
> -            width = 1 * 4;
> -            break;
> -         case SVGA3D_DECLTYPE_SHORT2N:
> -            width = 2 * 2;
> -            break;
> -         case SVGA3D_DECLTYPE_SHORT4N:
> -            width = 2 * 4;
> -            break;
> -         case SVGA3D_DECLTYPE_USHORT2N:
> -            width = 2 * 2;
> -            break;
> -         case SVGA3D_DECLTYPE_USHORT4N:
> -            width = 2 * 4;
> -            break;
> -         case SVGA3D_DECLTYPE_UDEC3:
> -            width = 4;
> -            break;
> -         case SVGA3D_DECLTYPE_DEC3N:
> -            width = 4;
> -            break;
> -         case SVGA3D_DECLTYPE_FLOAT16_2:
> -            width = 2 * 2;
> -            break;
> -         case SVGA3D_DECLTYPE_FLOAT16_4:
> -            width = 2 * 4;
> -            break;
> -         default:
> -            assert(0);
> -            width = 0;
> -            break;
> -         }
> -
> -         if (index_bias >= 0) {
> -            assert(offset + index_bias * stride + width <= size);
> -         }
> -
> -         /*
> -          * min_index/max_index are merely conservative guesses, so we can't
> -          * make buffer overflow detection based on their values.
> -          */
> -      }
> -
> -      assert(range->indexWidth == range->indexArray.stride);
> -
> -      if (ib) {
> -         unsigned size = ib->width0;
> -         unsigned offset = range->indexArray.offset;
> -         unsigned stride = range->indexArray.stride;
> -         unsigned count;
> -
> -         assert(size);
> -         assert(offset < size);
> -         assert(stride);
> -
> -         switch (range->primType) {
> -         case SVGA3D_PRIMITIVE_POINTLIST:
> -            count = range->primitiveCount;
> -            break;
> -         case SVGA3D_PRIMITIVE_LINELIST:
> -            count = range->primitiveCount * 2;
> -            break;
> -         case SVGA3D_PRIMITIVE_LINESTRIP:
> -            count = range->primitiveCount + 1;
> -            break;
> -         case SVGA3D_PRIMITIVE_TRIANGLELIST:
> -            count = range->primitiveCount * 3;
> -            break;
> -         case SVGA3D_PRIMITIVE_TRIANGLESTRIP:
> -            count = range->primitiveCount + 2;
> -            break;
> -         case SVGA3D_PRIMITIVE_TRIANGLEFAN:
> -            count = range->primitiveCount + 2;
> -            break;
> -         default:
> -            assert(0);
> -            count = 0;
> -            break;
> -         }
> -
> -         assert(offset + count * stride <= size);
> -      }
> -   }
> +   check_draw_params(hwtnl, range, min_index, max_index, ib);
>  #endif
>  
>     if (hwtnl->cmd.prim_count + 1 >= QSZ) {
> --
> 1.7.10.4
> 

Reviewed-by: Charmaine Lee <charmainel at vmware.com>


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