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authorEric Anholt <[email protected]>2010-09-03 21:56:53 -0700
committerEric Anholt <[email protected]>2010-09-07 10:34:09 -0700
commite432fe09ddb105d4ca5a0654512adc300b0cd22e (patch)
tree94aaeeb6d4f014a03954291f878df1d51d5b57e8 /src/mesa
parent2b9dac397bd97909876bbda8532e2cbce9d8a77f (diff)
i965: set the source width/stride when handling reladdr dests in the VS.
This is a requirement specified in the docs. No behavior change in glsl-vs-varying-array.shader_test that violated these requirements.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 1d88c6b5a46..49ef9742a25 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -1069,6 +1069,12 @@ move_to_reladdr_dst(struct brw_vs_compile *c,
struct brw_reg indirect = brw_vec4_indirect(0,0);
struct brw_reg acc = retype(vec1(get_tmp(c)), BRW_REGISTER_TYPE_UW);
+ /* Because destination register indirect addressing can only use
+ * one index, we'll write each vertex's vec4 value separately.
+ */
+ val.width = BRW_WIDTH_4;
+ val.vstride = BRW_VERTICAL_STRIDE_4;
+
brw_push_insn_state(p);
brw_set_access_mode(p, BRW_ALIGN_1);