iris: move MAX defines to iris_batch.h

for SBA

1 files changed, 9 insertions, 0 deletions

diff --git a/src/gallium/drivers/iris/iris_batch.h b/src/gallium/drivers/iris/iris_batch.h
index 2074b058061..47da23baeb1 100644
--- a/src/gallium/drivers/iris/iris_batch.h
+++ b/src/gallium/drivers/iris/iris_batch.h
@@ -27,6 +27,15 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+/* The kernel assumes batchbuffers are smaller than 256kB. */
+#define MAX_BATCH_SIZE (256 * 1024)
+
+/* 3DSTATE_BINDING_TABLE_POINTERS has a U16 offset from Surface State Base
+ * Address, which means that we can't put binding tables beyond 64kB.  This
+ * effectively limits the maximum statebuffer size to 64kB.
+ */
+#define MAX_STATE_SIZE (64 * 1024)
+
 struct iris_address {
    struct iris_bo *bo;
    unsigned reloc_flags;