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Code Issues Releases Wiki Activity

emit_glsl_warp: Fix shuffle ops for 64-thread warp sizes

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This commit is contained in:
ameerj
2021-08-31 02:06:22 -04:00
parent 5b45dfe971
commit d956fb3c7c
1 changed files with 36 additions and 24 deletions
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60
src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
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@@ -123,18 +123,22 @@ void EmitSubgroupGeMask(EmitContext& ctx, IR::Inst& inst) {
}
void EmitShuffleIndex(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
std::string_view index, std::string_view clamp, std::string_view seg_mask) {
if (ctx.profile.support_gl_warp_intrinsics) {
UseShuffleNv(ctx, inst, "shuffleNV", value, index, clamp, segmentation_mask);
UseShuffleNv(ctx, inst, "shuffleNV", value, index, clamp, seg_mask);
return;
}
const auto not_seg_mask{fmt::format("(~{})", segmentation_mask)};
const auto thread_id{"gl_SubGroupInvocationARB"};
const auto min_thread_id{ComputeMinThreadId(thread_id, segmentation_mask)};
const auto max_thread_id{ComputeMaxThreadId(min_thread_id, clamp, not_seg_mask)};
const bool big_warp{ctx.profile.warp_size_potentially_larger_than_guest};
const auto is_upper_partition{"int(gl_SubGroupInvocationARB)>=32"};
const auto upper_index{fmt::format("{}?{}+32:{}", is_upper_partition, index, index)};
const auto upper_clamp{fmt::format("{}?{}+32:{}", is_upper_partition, clamp, clamp)};
const auto lhs{fmt::format("({}&{})", index, not_seg_mask)};
const auto not_seg_mask{fmt::format("(~{})", seg_mask)};
const auto min_thread_id{ComputeMinThreadId(THREAD_ID, seg_mask)};
const auto max_thread_id{
ComputeMaxThreadId(min_thread_id, big_warp ? upper_clamp : clamp, not_seg_mask)};
const auto lhs{fmt::format("({}&{})", big_warp ? upper_index : index, not_seg_mask)};
const auto src_thread_id{fmt::format("({})|({})", lhs, min_thread_id)};
ctx.Add("shfl_in_bounds=int({})<=int({});", src_thread_id, max_thread_id);
SetInBoundsFlag(ctx, inst);
@@ -142,29 +146,34 @@ void EmitShuffleIndex(EmitContext& ctx, IR::Inst& inst, std::string_view value,
}
void EmitShuffleUp(EmitContext& ctx, IR::Inst& inst, std::string_view value, std::string_view index,
std::string_view clamp, std::string_view segmentation_mask) {
std::string_view clamp, std::string_view seg_mask) {
if (ctx.profile.support_gl_warp_intrinsics) {
UseShuffleNv(ctx, inst, "shuffleUpNV", value, index, clamp, segmentation_mask);
UseShuffleNv(ctx, inst, "shuffleUpNV", value, index, clamp, seg_mask);
return;
}
const auto thread_id{"gl_SubGroupInvocationARB"};
const auto max_thread_id{GetMaxThreadId(thread_id, clamp, segmentation_mask)};
const auto src_thread_id{fmt::format("({}-{})", thread_id, index)};
const bool big_warp{ctx.profile.warp_size_potentially_larger_than_guest};
const auto is_upper_partition{"int(gl_SubGroupInvocationARB)>=32"};
const auto upper_clamp{fmt::format("{}?{}+32:{}", is_upper_partition, clamp, clamp)};
const auto max_thread_id{GetMaxThreadId(THREAD_ID, big_warp ? upper_clamp : clamp, seg_mask)};
const auto src_thread_id{fmt::format("({}-{})", THREAD_ID, index)};
ctx.Add("shfl_in_bounds=int({})>=int({});", src_thread_id, max_thread_id);
SetInBoundsFlag(ctx, inst);
ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},{}):{};", inst, value, src_thread_id, value);
}
void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
std::string_view index, std::string_view clamp, std::string_view seg_mask) {
if (ctx.profile.support_gl_warp_intrinsics) {
UseShuffleNv(ctx, inst, "shuffleDownNV", value, index, clamp, segmentation_mask);
UseShuffleNv(ctx, inst, "shuffleDownNV", value, index, clamp, seg_mask);
return;
}
const auto thread_id{"gl_SubGroupInvocationARB"};
const auto max_thread_id{GetMaxThreadId(thread_id, clamp, segmentation_mask)};
const auto src_thread_id{fmt::format("({}+{})", thread_id, index)};
const bool big_warp{ctx.profile.warp_size_potentially_larger_than_guest};
const auto is_upper_partition{"int(gl_SubGroupInvocationARB)>=32"};
const auto upper_clamp{fmt::format("{}?{}+32:{}", is_upper_partition, clamp, clamp)};
const auto max_thread_id{GetMaxThreadId(THREAD_ID, big_warp ? upper_clamp : clamp, seg_mask)};
const auto src_thread_id{fmt::format("({}+{})", THREAD_ID, index)};
ctx.Add("shfl_in_bounds=int({})<=int({});", src_thread_id, max_thread_id);
SetInBoundsFlag(ctx, inst);
ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},{}):{};", inst, value, src_thread_id, value);
@@ -172,14 +181,17 @@ void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, std::string_view value,
void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
std::string_view seg_mask) {
if (ctx.profile.support_gl_warp_intrinsics) {
UseShuffleNv(ctx, inst, "shuffleXorNV", value, index, clamp, segmentation_mask);
UseShuffleNv(ctx, inst, "shuffleXorNV", value, index, clamp, seg_mask);
return;
}
const auto thread_id{"gl_SubGroupInvocationARB"};
const auto max_thread_id{GetMaxThreadId(thread_id, clamp, segmentation_mask)};
const auto src_thread_id{fmt::format("({}^{})", thread_id, index)};
const bool big_warp{ctx.profile.warp_size_potentially_larger_than_guest};
const auto is_upper_partition{"int(gl_SubGroupInvocationARB)>=32"};
const auto upper_clamp{fmt::format("{}?{}+32:{}", is_upper_partition, clamp, clamp)};
const auto max_thread_id{GetMaxThreadId(THREAD_ID, big_warp ? upper_clamp : clamp, seg_mask)};
const auto src_thread_id{fmt::format("({}^{})", THREAD_ID, index)};
ctx.Add("shfl_in_bounds=int({})<=int({});", src_thread_id, max_thread_id);
SetInBoundsFlag(ctx, inst);
ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},{}):{};", inst, value, src_thread_id, value);