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authorKenneth Graunke <kenneth@whitecape.org>2016-05-04 22:52:52 -0700
committerKenneth Graunke <kenneth@whitecape.org>2016-05-09 15:00:01 -0700
commitfdb6c1887f7b61ef49fb89e0b0928f65b2edf29b (patch)
treee51ac72b01333975bee71a317c14712388dac88a /src/mesa/drivers/dri/i965/intel_batchbuffer.c
parent4c71c8a74ad29bd84ca16803672ad1e9e30e2fff (diff)
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i965: Add a brw_load_register_reg64 helper.
It appears that we can't do this in a single command (like we do for MI_LOAD_REGISTER_IMM) - the Skylake simulator gets rather grumpy about the command length if I try to combine them. No matter. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_batchbuffer.c')
-rw-r--r--src/mesa/drivers/dri/i965/intel_batchbuffer.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
index 98b9485..77cdc0a 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
@@ -649,6 +649,24 @@ brw_load_register_reg(struct brw_context *brw, uint32_t src, uint32_t dest)
}
/*
+ * Copies a 64-bit register.
+ */
+void
+brw_load_register_reg64(struct brw_context *brw, uint32_t src, uint32_t dest)
+{
+ assert(brw->gen >= 8 || brw->is_haswell);
+
+ BEGIN_BATCH(6);
+ OUT_BATCH(MI_LOAD_REGISTER_REG | (3 - 2));
+ OUT_BATCH(src);
+ OUT_BATCH(dest);
+ OUT_BATCH(MI_LOAD_REGISTER_REG | (3 - 2));
+ OUT_BATCH(src + sizeof(uint32_t));
+ OUT_BATCH(dest + sizeof(uint32_t));
+ ADVANCE_BATCH();
+}
+
+/*
* Write 32-bits of immediate data to a GPU memory buffer.
*/
void