[Mesa-dev] [PATCH 4/5] i965: Port 3DSTATE_INDEX_BUFFER to genxml.

Lionel Landwerlin lionel.g.landwerlin at intel.com
Wed May 10 07:43:22 UTC 2017


Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

On 10/05/17 01:12, Rafael Antognolli wrote:
> Also make the brw_get_index_type() function not shift its return, since that
> is genxml's job now.
>
> Signed-off-by: Rafael Antognolli <rafael.antognolli at intel.com>
> ---
>   src/mesa/drivers/dri/i965/brw_context.h       |  6 ++--
>   src/mesa/drivers/dri/i965/brw_draw_upload.c   | 39 -------------------------
>   src/mesa/drivers/dri/i965/brw_state.h         |  1 -
>   src/mesa/drivers/dri/i965/gen8_draw_upload.c  | 27 ------------------
>   src/mesa/drivers/dri/i965/genX_state_upload.c | 41 ++++++++++++++++++++++++---
>   5 files changed, 40 insertions(+), 74 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
> index 723c5d6..f833c3a 100644
> --- a/src/mesa/drivers/dri/i965/brw_context.h
> +++ b/src/mesa/drivers/dri/i965/brw_context.h
> @@ -1402,10 +1402,10 @@ unsigned brw_get_vertex_surface_type(struct brw_context *brw,
>   static inline unsigned
>   brw_get_index_type(unsigned index_size)
>   {
> -   /* The hw needs 0x00000000, 0x00000100, and 0x00000200 for ubyte, ushort,
> -    * and uint, respectively.
> +   /* The hw needs 0x00, 0x01, and 0x02 for ubyte, ushort, and uint,
> +    * respectively.
>       */
> -   return (index_size >> 1) << 8;
> +   return index_size >> 1;
>   }
>   
>   void brw_prepare_vertices(struct brw_context *brw);
> diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
> index 8b30151..2ec9a01 100644
> --- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
> +++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
> @@ -791,42 +791,3 @@ const struct brw_tracked_state brw_indices = {
>      },
>      .emit = brw_upload_indices,
>   };
> -
> -static void
> -brw_emit_index_buffer(struct brw_context *brw)
> -{
> -   const struct _mesa_index_buffer *index_buffer = brw->ib.ib;
> -   GLuint cut_index_setting;
> -
> -   if (index_buffer == NULL)
> -      return;
> -
> -   if (brw->prim_restart.enable_cut_index && !brw->is_haswell) {
> -      cut_index_setting = BRW_CUT_INDEX_ENABLE;
> -   } else {
> -      cut_index_setting = 0;
> -   }
> -
> -   BEGIN_BATCH(3);
> -   OUT_BATCH(CMD_INDEX_BUFFER << 16 |
> -             cut_index_setting |
> -             brw_get_index_type(index_buffer->index_size) |
> -             1);
> -   OUT_RELOC(brw->ib.bo,
> -             I915_GEM_DOMAIN_VERTEX, 0,
> -             0);
> -   OUT_RELOC(brw->ib.bo,
> -             I915_GEM_DOMAIN_VERTEX, 0,
> -	     brw->ib.size - 1);
> -   ADVANCE_BATCH();
> -}
> -
> -const struct brw_tracked_state brw_index_buffer = {
> -   .dirty = {
> -      .mesa = 0,
> -      .brw = BRW_NEW_BATCH |
> -             BRW_NEW_BLORP |
> -             BRW_NEW_INDEX_BUFFER,
> -   },
> -   .emit = brw_emit_index_buffer,
> -};
> diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
> index 90f7677..a9c3bf2 100644
> --- a/src/mesa/drivers/dri/i965/brw_state.h
> +++ b/src/mesa/drivers/dri/i965/brw_state.h
> @@ -112,7 +112,6 @@ extern const struct brw_tracked_state gen7_depthbuffer;
>   extern const struct brw_tracked_state gen7_l3_state;
>   extern const struct brw_tracked_state gen7_push_constant_space;
>   extern const struct brw_tracked_state gen7_urb;
> -extern const struct brw_tracked_state gen8_index_buffer;
>   extern const struct brw_tracked_state gen8_pma_fix;
>   extern const struct brw_tracked_state gen8_vf_topology;
>   extern const struct brw_tracked_state brw_cs_work_groups_surface;
> diff --git a/src/mesa/drivers/dri/i965/gen8_draw_upload.c b/src/mesa/drivers/dri/i965/gen8_draw_upload.c
> index 8db160b..01c3ac3 100644
> --- a/src/mesa/drivers/dri/i965/gen8_draw_upload.c
> +++ b/src/mesa/drivers/dri/i965/gen8_draw_upload.c
> @@ -35,33 +35,6 @@
>   #include "intel_buffer_objects.h"
>   
>   static void
> -gen8_emit_index_buffer(struct brw_context *brw)
> -{
> -   const struct _mesa_index_buffer *index_buffer = brw->ib.ib;
> -   uint32_t mocs_wb = brw->gen >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB;
> -
> -   if (index_buffer == NULL)
> -      return;
> -
> -   BEGIN_BATCH(5);
> -   OUT_BATCH(CMD_INDEX_BUFFER << 16 | (5 - 2));
> -   OUT_BATCH(brw_get_index_type(index_buffer->index_size) | mocs_wb);
> -   OUT_RELOC64(brw->ib.bo, I915_GEM_DOMAIN_VERTEX, 0, 0);
> -   OUT_BATCH(brw->ib.size);
> -   ADVANCE_BATCH();
> -}
> -
> -const struct brw_tracked_state gen8_index_buffer = {
> -   .dirty = {
> -      .mesa = 0,
> -      .brw = BRW_NEW_BATCH |
> -             BRW_NEW_BLORP |
> -             BRW_NEW_INDEX_BUFFER,
> -   },
> -   .emit = gen8_emit_index_buffer,
> -};
> -
> -static void
>   gen8_emit_vf_topology(struct brw_context *brw)
>   {
>      BEGIN_BATCH(2);
> diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c
> index ac5c879..96cad92 100644
> --- a/src/mesa/drivers/dri/i965/genX_state_upload.c
> +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c
> @@ -830,6 +830,39 @@ static const struct brw_tracked_state genX(vertices) = {
>      .emit = genX(emit_vertices),
>   };
>   
> +static void
> +genX(emit_index_buffer)(struct brw_context *brw)
> +{
> +   const struct _mesa_index_buffer *index_buffer = brw->ib.ib;
> +
> +   if (index_buffer == NULL)
> +      return;
> +
> +   brw_batch_emit(brw, GENX(3DSTATE_INDEX_BUFFER), ib) {
> +#if GEN_GEN < 8 && !GEN_IS_HASWELL
> +      ib.CutIndexEnable = brw->prim_restart.enable_cut_index;
> +#endif
> +      ib.IndexFormat = brw_get_index_type(index_buffer->index_size);
> +      ib.BufferStartingAddress = vertex_bo(brw->ib.bo, 0);
> +#if GEN_GEN >= 8
> +      ib.IndexBufferMOCS = GEN_GEN >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB;
> +      ib.BufferSize = brw->ib.size;
> +#else
> +      ib.BufferEndingAddress = vertex_bo(brw->ib.bo, brw->ib.size - 1);
> +#endif
> +   }
> +}
> +
> +static const struct brw_tracked_state genX(index_buffer) = {
> +   .dirty = {
> +      .mesa = 0,
> +      .brw = BRW_NEW_BATCH |
> +             BRW_NEW_BLORP |
> +             BRW_NEW_INDEX_BUFFER,
> +   },
> +   .emit = genX(emit_index_buffer),
> +};
> +
>   #if GEN_IS_HASWELL || GEN_GEN >= 8
>   static void
>   genX(upload_cut_index)(struct brw_context *brw)
> @@ -4049,7 +4082,7 @@ genX(init_atoms)(struct brw_context *brw)
>   
>         &genX(drawing_rect),
>         &brw_indices, /* must come before brw_vertices */
> -      &brw_index_buffer,
> +      &genX(index_buffer),
>         &genX(vertices),
>   
>         &brw_constant_buffer
> @@ -4116,7 +4149,7 @@ genX(init_atoms)(struct brw_context *brw)
>         &genX(drawing_rect),
>   
>         &brw_indices, /* must come before brw_vertices */
> -      &brw_index_buffer,
> +      &genX(index_buffer),
>         &genX(vertices),
>      };
>   #elif GEN_GEN == 7
> @@ -4204,7 +4237,7 @@ genX(init_atoms)(struct brw_context *brw)
>         &genX(drawing_rect),
>   
>         &brw_indices, /* must come before brw_vertices */
> -      &brw_index_buffer,
> +      &genX(index_buffer),
>         &genX(vertices),
>   
>   #if GEN_IS_HASWELL
> @@ -4299,7 +4332,7 @@ genX(init_atoms)(struct brw_context *brw)
>         &gen8_vf_topology,
>   
>         &brw_indices,
> -      &gen8_index_buffer,
> +      &genX(index_buffer),
>         &genX(vertices),
>   
>         &genX(cut_index),




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