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spirv: implement Volatile memory semantic

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6090>
This commit is contained in:
Rhys Perry 2020-05-06 17:02:51 +01:00 • committed by Marge Bot
parent 23bfba8663
commit 2ba3ffa76c
1 changed files with 13 additions and 3 deletions
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16
src/compiler/spirv/spirv_to_nir.c
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@ -2152,7 +2152,8 @@ vtn_split_barrier_semantics(struct vtn_builder *b,
SpvMemorySemanticsOutputMemoryMask);
const SpvMemorySemanticsMask other_semantics =
semantics & ~(order_semantics | av_vis_semantics | storage_semantics);
semantics & ~(order_semantics | av_vis_semantics | storage_semantics |
SpvMemorySemanticsVolatileMask);
if (other_semantics)
vtn_warn("Ignoring unhandled memory semantics: %u\n", other_semantics);
@ -3089,6 +3090,9 @@ vtn_handle_image(struct vtn_builder *b, SpvOp opcode,
vtn_fail_with_opcode("Invalid image opcode", opcode);
}
if (semantics & SpvMemorySemanticsVolatileMask)
access |= ACCESS_VOLATILE;
nir_intrinsic_op op;
switch (opcode) {
#define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
@ -3353,6 +3357,7 @@ vtn_handle_atomics(struct vtn_builder *b, SpvOp opcode,
SpvScope scope = SpvScopeInvocation;
SpvMemorySemanticsMask semantics = 0;
enum gl_access_qualifier access = 0;
switch (opcode) {
case SpvOpAtomicLoad:
@ -3386,6 +3391,9 @@ vtn_handle_atomics(struct vtn_builder *b, SpvOp opcode,
vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode);
}
if (semantics & SpvMemorySemanticsVolatileMask)
access |= ACCESS_VOLATILE;
/* uniform as "atomic counter uniform" */
if (ptr->mode == vtn_variable_mode_atomic_counter) {
nir_deref_instr *deref = vtn_pointer_to_deref(b, ptr);
@ -3432,7 +3440,7 @@ vtn_handle_atomics(struct vtn_builder *b, SpvOp opcode,
nir_intrinsic_op op = get_ssbo_nir_atomic_op(b, opcode);
atomic = nir_intrinsic_instr_create(b->nb.shader, op);
nir_intrinsic_set_access(atomic, ACCESS_COHERENT);
nir_intrinsic_set_access(atomic, access | ACCESS_COHERENT);
int src = 0;
switch (opcode) {
@ -3486,7 +3494,9 @@ vtn_handle_atomics(struct vtn_builder *b, SpvOp opcode,
atomic->src[0] = nir_src_for_ssa(&deref->dest.ssa);
if (ptr->mode != vtn_variable_mode_workgroup)
nir_intrinsic_set_access(atomic, ACCESS_COHERENT);
access |= ACCESS_COHERENT;
nir_intrinsic_set_access(atomic, access);
switch (opcode) {
case SpvOpAtomicLoad: