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authorKenneth Graunke <[email protected]>2014-07-26 12:32:31 -0700
committerKenneth Graunke <[email protected]>2014-08-02 05:14:42 -0700
commitb590a1237c7dccdd2a197298dbd62bf8fb1c6d33 (patch)
treeaaa1101dc133adcd6f64fefcefee70e4c25814fa
parenteee8196782d98e49876a34b51bf1e4c9b56acf2e (diff)
i965: Add #defines for SAMPLER_STATE fields.
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 <[email protected]> Reviewed-by: Topi Pohjolainen <[email protected]>
-rw-r--r--src/mesa/drivers/dri/i965/brw_defines.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index c0dfe4f3999..3564041e645 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,