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nir: Add new barrier functions for compute shaders

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When these functions are called in glsl-ir, we create a corresponding
nir intrinsic function call.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Jordan Justen
2015-10-10 08:59:42 -07:00
parent 91f188710a
commit 9d65f3208b
2 changed files with 26 additions and 0 deletions
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11
src/glsl/nir/nir_intrinsics.h
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@@ -91,6 +91,17 @@ BARRIER(memory_barrier)
*/
INTRINSIC(shader_clock, 0, ARR(), true, 1, 0, 0, NIR_INTRINSIC_CAN_ELIMINATE)
/*
* Memory barrier with semantics analogous to the compute shader
* groupMemoryBarrier(), memoryBarrierAtomicCounter(), memoryBarrierBuffer(),
* memoryBarrierImage() and memoryBarrierShared() GLSL intrinsics.
*/
BARRIER(group_memory_barrier)
BARRIER(memory_barrier_atomic_counter)
BARRIER(memory_barrier_buffer)
BARRIER(memory_barrier_image)
BARRIER(memory_barrier_shared)
/** A conditional discard, with a single boolean source. */
INTRINSIC(discard_if, 1, ARR(1), false, 0, 0, 0, 0)