[Mesa-dev] [PATCH 3/7] i965/gen7: Add register definitions for GL_EXT_transform_feedback.

Paul Berry stereotype441 at gmail.com
Thu Dec 22 19:21:49 PST 2011


On 22 December 2011 16:54, Eric Anholt <eric at anholt.net> wrote:

> Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
> ---
>  src/mesa/drivers/dri/i965/brw_defines.h |   76
> ++++++++++++++++++++++++++++++-
>  src/mesa/drivers/dri/intel/intel_reg.h  |   15 ++++++
>  2 files changed, 89 insertions(+), 2 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_defines.h
> b/src/mesa/drivers/dri/i965/brw_defines.h
> index 4edfaf7..4bb7f00 100644
> --- a/src/mesa/drivers/dri/i965/brw_defines.h
> +++ b/src/mesa/drivers/dri/i965/brw_defines.h
> @@ -1307,6 +1307,42 @@ enum brw_wm_barycentric_interp_mode {
>  #define _3DSTATE_CONSTANT_HS                  0x7819 /* GEN7+ */
>  #define _3DSTATE_CONSTANT_DS                  0x781A /* GEN7+ */
>
> +#define _3DSTATE_STREAMOUT                    0x781e /* GEN7+ */
> +/* DW1 */
> +# define SO_FUNCTION_ENABLE                            (1 << 31)
> +# define SO_RENDERING_DISABLE                          (1 << 30)
> +/* This selects which incoming rendering stream goes down the pipeline.
>  The
> + * rendering stream is 0 if not defined by special cases in the GS state.
> + */
> +# define SO_RENDER_STREAM_SELECT_SHIFT                 27
> +# define SO_RENDER_STREAM_SELECT_MASK                  INTEL_MASK(28, 27)
> +/* Controls reordering of TRISTRIP_* elements in stream output (not
> rendering).
> + */
> +# define SO_REORDER_TRAILING                           (1 << 26)
> +/* Controls SO_NUM_PRIMS_WRITTEN_* and SO_PRIM_STORAGE_* */
> +# define SO_STATISTICS_ENABLE                          (1 << 25)
> +# define SO_BUFFER_ENABLE_3                            (1 << 11)
> +# define SO_BUFFER_ENABLE_2                            (1 << 10)
> +# define SO_BUFFER_ENABLE_1                            (1 << 9)
> +# define SO_BUFFER_ENABLE_0                            (1 << 8)
>

Considering how these are used in patch 6/7, I'd prefer if we did this:

#define SO_BUFFER_ENABLE(n)  (1 << (8 + (n)))

Then in patch 6/7 we could do

dw1 |= SO_BUFFER_ENABLE(i);

instead of

dw1 |= SO_BUFFER_ENABLE_0 << i;


> +/* DW2 */
> +# define SO_STREAM_3_VERTEX_READ_OFFSET_SHIFT          29
> +# define SO_STREAM_3_VERTEX_READ_OFFSET_MASK           INTEL_MASK(29, 29)
> +# define SO_STREAM_3_VERTEX_READ_LENGTH_SHIFT          24
> +# define SO_STREAM_3_VERTEX_READ_LENGTH_MASK           INTEL_MASK(28, 24)
> +# define SO_STREAM_2_VERTEX_READ_OFFSET_SHIFT          21
> +# define SO_STREAM_2_VERTEX_READ_OFFSET_MASK           INTEL_MASK(21, 21)
> +# define SO_STREAM_2_VERTEX_READ_LENGTH_SHIFT          16
> +# define SO_STREAM_2_VERTEX_READ_LENGTH_MASK           INTEL_MASK(20, 16)
> +# define SO_STREAM_1_VERTEX_READ_OFFSET_SHIFT          13
> +# define SO_STREAM_1_VERTEX_READ_OFFSET_MASK           INTEL_MASK(13, 13)
> +# define SO_STREAM_1_VERTEX_READ_LENGTH_SHIFT          8
> +# define SO_STREAM_1_VERTEX_READ_LENGTH_MASK           INTEL_MASK(12, 8)
> +# define SO_STREAM_0_VERTEX_READ_OFFSET_SHIFT          5
> +# define SO_STREAM_0_VERTEX_READ_OFFSET_MASK           INTEL_MASK(5, 5)
> +# define SO_STREAM_0_VERTEX_READ_LENGTH_SHIFT          0
> +# define SO_STREAM_0_VERTEX_READ_LENGTH_MASK           INTEL_MASK(4, 0)
> +
>  /* 3DSTATE_WM for Gen7 */
>  /* DW1 */
>  # define GEN7_WM_STATISTICS_ENABLE                     (1 << 31)
> @@ -1373,8 +1409,6 @@ enum brw_wm_barycentric_interp_mode {
>  /* DW6: kernel 1 pointer */
>  /* DW7: kernel 2 pointer */
>
> -#define _3DSTATE_STREAMOUT                      0x781e /* GEN7+ */
> -
>  #define _3DSTATE_SAMPLE_MASK                   0x7818 /* GEN6+ */
>
>  #define _3DSTATE_DRAWING_RECTANGLE             0x7900
> @@ -1414,6 +1448,44 @@ enum brw_wm_barycentric_interp_mode {
>  # define DEPTH_CLEAR_VALID                             (1 << 15)
>  /* DW1: depth clear value */
>
> +#define _3DSTATE_SO_DECL_LIST                  0x7917 /* GEN7+ */
> +/* DW1 */
> +# define SO_STREAM_TO_BUFFER_SELECTS_3_SHIFT           12
> +# define SO_STREAM_TO_BUFFER_SELECTS_3_MASK            INTEL_MASK(15, 12)
> +# define SO_STREAM_TO_BUFFER_SELECTS_2_SHIFT           8
> +# define SO_STREAM_TO_BUFFER_SELECTS_2_MASK            INTEL_MASK(11, 8)
> +# define SO_STREAM_TO_BUFFER_SELECTS_1_SHIFT           4
> +# define SO_STREAM_TO_BUFFER_SELECTS_1_MASK            INTEL_MASK(7, 4)
> +# define SO_STREAM_TO_BUFFER_SELECTS_0_SHIFT           0
> +# define SO_STREAM_TO_BUFFER_SELECTS_0_MASK            INTEL_MASK(3, 0)
> +/* DW2 */
> +# define SO_NUM_ENTRIES_3_SHIFT                                24
> +# define SO_NUM_ENTRIES_3_MASK                         INTEL_MASK(31, 24)
> +# define SO_NUM_ENTRIES_2_SHIFT                                16
> +# define SO_NUM_ENTRIES_2_MASK                         INTEL_MASK(23, 16)
> +# define SO_NUM_ENTRIES_1_SHIFT                                8
> +# define SO_NUM_ENTRIES_1_MASK                         INTEL_MASK(15, 8)
> +# define SO_NUM_ENTRIES_0_SHIFT                                0
> +# define SO_NUM_ENTRIES_0_MASK                         INTEL_MASK(7, 0)
> +
> +/* SO_DECL DW0 */
> +# define SO_DECL_OUTPUT_BUFFER_SLOT_SHIFT              12
> +# define SO_DECL_OUTPUT_BUFFER_SLOT_MASK               INTEL_MASK(13, 12)
> +# define SO_DECL_HOLE_FLAG                             (1 << 11)
> +# define SO_DECL_REGISTER_INDEX_SHIFT                  4
> +# define SO_DECL_REGISTER_INDEX_MASK                   INTEL_MASK(9, 4)
> +# define SO_DECL_COMPONENT_MASK_SHIFT                  0
> +# define SO_DECL_COMPONENT_MASK_MASK                   INTEL_MASK(3, 0)
> +
> +#define _3DSTATE_SO_BUFFER                    0x7918 /* GEN7+ */
> +/* DW1 */
> +# define SO_BUFFER_INDEX_SHIFT                         29
> +# define SO_BUFFER_INDEX_MASK                          INTEL_MASK(30, 29)
> +# define SO_BUFFER_PITCH_SHIFT                         0
> +# define SO_BUFFER_PITCH_MASK                          INTEL_MASK(11, 0)
> +/* DW2: start address */
> +/* DW3: end address. */
> +
>  #define CMD_PIPE_CONTROL              0x7a00
>
>  #define CMD_MI_FLUSH                  0x0200
> diff --git a/src/mesa/drivers/dri/intel/intel_reg.h
> b/src/mesa/drivers/dri/intel/intel_reg.h
> index a98a669..e2a6ee2 100644
> --- a/src/mesa/drivers/dri/intel/intel_reg.h
> +++ b/src/mesa/drivers/dri/intel/intel_reg.h
> @@ -44,6 +44,9 @@
>  #define MI_WAIT_FOR_PLANE_B_FLIP        (1<<6)
>  #define MI_WAIT_FOR_PLANE_A_FLIP        (1<<2)
>
> +#define MI_STORE_REGISTER_MEM          (CMD_MI | (0x24 << 23))
> +# define MI_STORE_REGISTER_MEM_USE_GGTT                (1 << 22)
> +
>  /* p189 */
>  #define _3DSTATE_LOAD_STATE_IMMEDIATE_1   (CMD_3D | (0x1d<<24) |
> (0x04<<16))
>  #define I1_LOAD_S(n)                      (1<<(4+n))
> @@ -260,3 +263,15 @@
>  #define FENCE_LINEAR 0
>  #define FENCE_XMAJOR 1
>  #define FENCE_YMAJOR 2
> +
> +#define SO_NUM_PRIM_STORAGE_NEEDED     0x2280
> +#define SO_PRIM_STORAGE_NEEDED0_IVB    0x5240
> +#define SO_PRIM_STORAGE_NEEDED1_IVB    0x5248
> +#define SO_PRIM_STORAGE_NEEDED2_IVB    0x5250
> +#define SO_PRIM_STORAGE_NEEDED3_IVB    0x5258
> +
> +#define SO_NUM_PRIMS_WRITTEN           0x2288
> +#define SO_NUM_PRIMS_WRITTEN0_IVB      0x5200
> +#define SO_NUM_PRIMS_WRITTEN1_IVB      0x5208
> +#define SO_NUM_PRIMS_WRITTEN2_IVB      0x5210
> +#define SO_NUM_PRIMS_WRITTEN3_IVB      0x5218
> --
> 1.7.7.3
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/mesa-dev/attachments/20111222/f5639b10/attachment.html>


More information about the mesa-dev mailing list