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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_generator.cpp5
-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_generator.cpp9
2 files changed, 11 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index c510f428369..842e1253f28 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -2045,7 +2045,10 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width)
case SHADER_OPCODE_FIND_LIVE_CHANNEL: {
const struct brw_reg mask =
- stage == MESA_SHADER_FRAGMENT ? brw_vmask_reg() : brw_dmask_reg();
+ brw_stage_has_packed_dispatch(devinfo, stage,
+ prog_data) ? brw_imm_ud(~0u) :
+ stage == MESA_SHADER_FRAGMENT ? brw_vmask_reg() :
+ brw_dmask_reg();
brw_find_live_channel(p, dst, mask);
break;
}
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
index f9e6d1c156f..163cf9dcdd0 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
@@ -1862,9 +1862,14 @@ generate_code(struct brw_codegen *p,
brw_memory_fence(p, dst);
break;
- case SHADER_OPCODE_FIND_LIVE_CHANNEL:
- brw_find_live_channel(p, dst, brw_dmask_reg());
+ case SHADER_OPCODE_FIND_LIVE_CHANNEL: {
+ const struct brw_reg mask =
+ brw_stage_has_packed_dispatch(devinfo, nir->stage,
+ &prog_data->base) ? brw_imm_ud(~0u) :
+ brw_dmask_reg();
+ brw_find_live_channel(p, dst, mask);
break;
+ }
case SHADER_OPCODE_BROADCAST:
assert(inst->force_writemask_all);