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authorMichal Krol <michal@vmware.com>2010-01-18 12:11:05 +0100
committerMichal Krol <michal@vmware.com>2010-01-18 19:13:42 +0100
commit4698a865e076998107c188b39db039bdcbaac3a9 (patch)
tree917cf3b307220e4e4c522f7b7387a4a9fcdff8e2 /src/gallium/auxiliary/tgsi
parent4c041fac96303200f84b379829fd2f72cbc46423 (diff)
tgsi: Add ureg_DECL_immediate_block_uint().
Allows declaring a contiguous block of immediates. Useful for relative indexing.
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c29
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.h5
2 files changed, 34 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 8bd6f68dcc..a67d9c37f8 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -656,6 +656,35 @@ ureg_DECL_immediate_uint( struct ureg_program *ureg,
struct ureg_src
+ureg_DECL_immediate_block_uint( struct ureg_program *ureg,
+ const unsigned *v,
+ unsigned nr )
+{
+ uint index;
+ uint i;
+
+ if (ureg->nr_immediates + (nr + 3) / 4 > UREG_MAX_IMMEDIATE) {
+ set_bad(ureg);
+ return ureg_src_register(TGSI_FILE_IMMEDIATE, 0);
+ }
+
+ index = ureg->nr_immediates;
+ ureg->nr_immediates += (nr + 3) / 4;
+
+ for (i = index; i < ureg->nr_immediates; i++) {
+ ureg->immediate[i].type = TGSI_IMM_UINT32;
+ ureg->immediate[i].nr = nr > 4 ? 4 : nr;
+ memcpy(ureg->immediate[i].value.u,
+ &v[(i - index) * 4],
+ ureg->immediate[i].nr * sizeof(uint));
+ nr -= 4;
+ }
+
+ return ureg_src_register(TGSI_FILE_IMMEDIATE, index);
+}
+
+
+struct ureg_src
ureg_DECL_immediate_int( struct ureg_program *ureg,
const int *v,
unsigned nr )
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 03eaf24854..a743be702b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -168,6 +168,11 @@ ureg_DECL_immediate_uint( struct ureg_program *,
unsigned nr );
struct ureg_src
+ureg_DECL_immediate_block_uint( struct ureg_program *,
+ const unsigned *v,
+ unsigned nr );
+
+struct ureg_src
ureg_DECL_immediate_int( struct ureg_program *,
const int *v,
unsigned nr );