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authorChris Wilson <chris@chris-wilson.co.uk>2010-12-19 13:01:15 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-12-19 13:01:15 +0000
commit0184bb1c6d946bcaf198f7680b3405adca676790 (patch)
treeda522808dae925cb17ff7f84aba61f83aa5c7569 /include/drm
parent760c01a6af12c013bca0ad1f17c793ca813be4cc (diff)
intel: Export CONSTANT_BUFFER addressing mode
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/i915_drm.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 19da2c04..98e15978 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -279,6 +279,8 @@ typedef struct drm_i915_irq_wait {
#define I915_PARAM_HAS_BSD 10
#define I915_PARAM_HAS_BLT 11
#define I915_PARAM_HAS_RELAXED_FENCING 12
+#define I915_PARAM_HAS_COHERENT_RINGS 13
+#define I915_PARAM_HAS_EXEC_CONSTANTS 14
typedef struct drm_i915_getparam {
int param;
@@ -625,6 +627,17 @@ struct drm_i915_gem_execbuffer2 {
#define I915_EXEC_RENDER (1<<0)
#define I915_EXEC_BSD (2<<0)
#define I915_EXEC_BLT (3<<0)
+
+/* Used for switching the constants addressing mode on gen4+ RENDER ring.
+ * Gen6+ only supports relative addressing to dynamic state (default) and
+ * absolute addressing.
+ *
+ * These flags are ignored for the BSD and BLT rings.
+ */
+#define I915_EXEC_CONSTANTS_MASK (3<<6)
+#define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */
+#define I915_EXEC_CONSTANTS_ABSOLUTE (1<<6)
+#define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */
__u64 flags;
__u64 rsvd1;
__u64 rsvd2;