[Mesa-dev] [PATCH 12/23] i965: Add #defines for SAMPLER_STATE fields.

[Pohjolainen, Topi]

On Tue, Jul 29, 2014 at 04:29:17PM -0700, Kenneth Graunke wrote:
> We'll use these to replace the existing structures.
> 
> I've adopted the convention that "BRW" applies to all hardware, and
> "GENX" applies starting with generation X, but might be replaced by some
> later generation.
> 
> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>

I tried to compare all the bit positions and shifts to
"struct brw_sampler_state" and "struct gen7_sampler_state", and couldn't
spot anything amiss.

> ---
>  src/mesa/drivers/dri/i965/brw_defines.h | 54 +++++++++++++++++++++++++++++++++
>  1 file changed, 54 insertions(+)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
> index c0dfe4f..3564041 100644
> --- a/src/mesa/drivers/dri/i965/brw_defines.h
> +++ b/src/mesa/drivers/dri/i965/brw_defines.h
> @@ -610,6 +610,60 @@
>  #define HSW_SCS_BLUE                     6
>  #define HSW_SCS_ALPHA                    7
>  
> +/* SAMPLER_STATE DW0 */
> +#define BRW_SAMPLER_DISABLE                     (1 << 31)
> +#define BRW_SAMPLER_LOD_PRECLAMP_ENABLE         (1 << 28)
> +#define GEN6_SAMPLER_MIN_MAG_NOT_EQUAL          (1 << 27) /* Gen6 only */
> +#define BRW_SAMPLER_BASE_MIPLEVEL_MASK          INTEL_MASK(26, 22)
> +#define BRW_SAMPLER_BASE_MIPLEVEL_SHIFT         22
> +#define BRW_SAMPLER_MIP_FILTER_MASK             INTEL_MASK(21, 20)
> +#define BRW_SAMPLER_MIP_FILTER_SHIFT            20
> +#define BRW_SAMPLER_MAG_FILTER_MASK             INTEL_MASK(19, 17)
> +#define BRW_SAMPLER_MAG_FILTER_SHIFT            17
> +#define BRW_SAMPLER_MIN_FILTER_MASK             INTEL_MASK(16, 14)
> +#define BRW_SAMPLER_MIN_FILTER_SHIFT            14
> +#define GEN4_SAMPLER_LOD_BIAS_MASK              INTEL_MASK(13, 3)
> +#define GEN4_SAMPLER_LOD_BIAS_SHIFT             3
> +#define GEN4_SAMPLER_SHADOW_FUNCTION_MASK       INTEL_MASK(2, 0)
> +#define GEN4_SAMPLER_SHADOW_FUNCTION_SHIFT      0
> +
> +#define GEN7_SAMPLER_LOD_BIAS_MASK              INTEL_MASK(13, 1)
> +#define GEN7_SAMPLER_LOD_BIAS_SHIFT             1
> +#define GEN7_SAMPLER_EWA_ANISOTROPIC_ALGORIHTM  (1 << 0)
> +
> +/* SAMPLER_STATE DW1 */
> +#define GEN4_SAMPLER_MIN_LOD_MASK               INTEL_MASK(31, 22)
> +#define GEN4_SAMPLER_MIN_LOD_SHIFT              22
> +#define GEN4_SAMPLER_MAX_LOD_MASK               INTEL_MASK(21, 12)
> +#define GEN4_SAMPLER_MAX_LOD_SHIFT              12
> +#define GEN4_SAMPLER_CUBE_CONTROL_OVERRIDE      (1 << 9)
> +/* Wrap modes are in DW1 on Gen4-6 and DW3 on Gen7+ */
> +#define BRW_SAMPLER_TCX_WRAP_MODE_MASK          INTEL_MASK(8, 6)
> +#define BRW_SAMPLER_TCX_WRAP_MODE_SHIFT         6
> +#define BRW_SAMPLER_TCY_WRAP_MODE_MASK          INTEL_MASK(5, 3)
> +#define BRW_SAMPLER_TCY_WRAP_MODE_SHIFT         3
> +#define BRW_SAMPLER_TCZ_WRAP_MODE_MASK          INTEL_MASK(2, 0)
> +#define BRW_SAMPLER_TCZ_WRAP_MODE_SHIFT         0
> +
> +#define GEN7_SAMPLER_MIN_LOD_MASK               INTEL_MASK(31, 20)
> +#define GEN7_SAMPLER_MIN_LOD_SHIFT              20
> +#define GEN7_SAMPLER_MAX_LOD_MASK               INTEL_MASK(19, 8)
> +#define GEN7_SAMPLER_MAX_LOD_SHIFT              8
> +#define GEN7_SAMPLER_SHADOW_FUNCTION_MASK       INTEL_MASK(3, 1)
> +#define GEN7_SAMPLER_SHADOW_FUNCTION_SHIFT      1
> +#define GEN7_SAMPLER_CUBE_CONTROL_OVERRIDE      (1 << 0)
> +
> +/* SAMPLER_STATE DW2 - border color pointer */
> +
> +/* SAMPLER_STATE DW3 */
> +#define BRW_SAMPLER_MAX_ANISOTROPY_MASK         INTEL_MASK(21, 19)
> +#define BRW_SAMPLER_MAX_ANISOTROPY_SHIFT        19
> +#define BRW_SAMPLER_ADDRESS_ROUNDING_MASK       INTEL_MASK(18, 13)
> +#define BRW_SAMPLER_ADDRESS_ROUNDING_SHIFT      13
> +#define GEN7_SAMPLER_NON_NORMALIZED_COORDINATES (1 << 10)
> +/* Gen7+ wrap modes reuse the same BRW_SAMPLER_TC*_WRAP_MODE enums. */
> +#define GEN6_SAMPLER_NON_NORMALIZED_COORDINATES (1 << 0)
> +
>  enum brw_wrap_mode {
>     BRW_TEXCOORDMODE_WRAP         = 0,
>     BRW_TEXCOORDMODE_MIRROR       = 1,
> -- 
> 2.0.2
> 
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev