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-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp23
-rw-r--r--src/video_core/renderer_vulkan/vk_shader_decompiler.cpp23
-rw-r--r--src/video_core/shader/decode/other.cpp21
-rw-r--r--src/video_core/shader/node.h5
4 files changed, 72 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 960ebf1a1..c83a08d42 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -2309,6 +2309,18 @@ private:
return {"gl_SubGroupInvocationARB", Type::Uint};
}
+ template <const std::string_view& comparison>
+ Expression ThreadMask(Operation) {
+ if (device.HasWarpIntrinsics()) {
+ return {fmt::format("gl_Thread{}MaskNV", comparison), Type::Uint};
+ }
+ if (device.HasShaderBallot()) {
+ return {fmt::format("uint(gl_SubGroup{}MaskARB)", comparison), Type::Uint};
+ }
+ LOG_ERROR(Render_OpenGL, "Thread mask intrinsics are required by the shader");
+ return {"0U", Type::Uint};
+ }
+
Expression ShuffleIndexed(Operation operation) {
std::string value = VisitOperand(operation, 0).AsFloat();
@@ -2337,6 +2349,12 @@ private:
static constexpr std::string_view NotEqual = "!=";
static constexpr std::string_view GreaterEqual = ">=";
+ static constexpr std::string_view Eq = "Eq";
+ static constexpr std::string_view Ge = "Ge";
+ static constexpr std::string_view Gt = "Gt";
+ static constexpr std::string_view Le = "Le";
+ static constexpr std::string_view Lt = "Lt";
+
static constexpr std::string_view Add = "Add";
static constexpr std::string_view Min = "Min";
static constexpr std::string_view Max = "Max";
@@ -2554,6 +2572,11 @@ private:
&GLSLDecompiler::VoteEqual,
&GLSLDecompiler::ThreadId,
+ &GLSLDecompiler::ThreadMask<Func::Eq>,
+ &GLSLDecompiler::ThreadMask<Func::Ge>,
+ &GLSLDecompiler::ThreadMask<Func::Gt>,
+ &GLSLDecompiler::ThreadMask<Func::Le>,
+ &GLSLDecompiler::ThreadMask<Func::Lt>,
&GLSLDecompiler::ShuffleIndexed,
&GLSLDecompiler::MemoryBarrierGL,
diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
index 167e20e91..f4ccc9848 100644
--- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
+++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
@@ -515,6 +515,16 @@ private:
void DeclareCommon() {
thread_id =
DeclareInputBuiltIn(spv::BuiltIn::SubgroupLocalInvocationId, t_in_uint, "thread_id");
+ thread_masks[0] =
+ DeclareInputBuiltIn(spv::BuiltIn::SubgroupEqMask, t_in_uint4, "thread_eq_mask");
+ thread_masks[1] =
+ DeclareInputBuiltIn(spv::BuiltIn::SubgroupGeMask, t_in_uint4, "thread_ge_mask");
+ thread_masks[2] =
+ DeclareInputBuiltIn(spv::BuiltIn::SubgroupGtMask, t_in_uint4, "thread_gt_mask");
+ thread_masks[3] =
+ DeclareInputBuiltIn(spv::BuiltIn::SubgroupLeMask, t_in_uint4, "thread_le_mask");
+ thread_masks[4] =
+ DeclareInputBuiltIn(spv::BuiltIn::SubgroupLtMask, t_in_uint4, "thread_lt_mask");
}
void DeclareVertex() {
@@ -2175,6 +2185,13 @@ private:
return {OpLoad(t_uint, thread_id), Type::Uint};
}
+ template <std::size_t index>
+ Expression ThreadMask(Operation) {
+ // TODO(Rodrigo): Handle devices with different warp sizes
+ const Id mask = thread_masks[index];
+ return {OpLoad(t_uint, AccessElement(t_in_uint, mask, 0)), Type::Uint};
+ }
+
Expression ShuffleIndexed(Operation operation) {
const Id value = AsFloat(Visit(operation[0]));
const Id index = AsUint(Visit(operation[1]));
@@ -2639,6 +2656,11 @@ private:
&SPIRVDecompiler::Vote<&Module::OpSubgroupAllEqualKHR>,
&SPIRVDecompiler::ThreadId,
+ &SPIRVDecompiler::ThreadMask<0>, // Eq
+ &SPIRVDecompiler::ThreadMask<1>, // Ge
+ &SPIRVDecompiler::ThreadMask<2>, // Gt
+ &SPIRVDecompiler::ThreadMask<3>, // Le
+ &SPIRVDecompiler::ThreadMask<4>, // Lt
&SPIRVDecompiler::ShuffleIndexed,
&SPIRVDecompiler::MemoryBarrierGL,
@@ -2763,6 +2785,7 @@ private:
Id workgroup_id{};
Id local_invocation_id{};
Id thread_id{};
+ std::array<Id, 5> thread_masks{}; // eq, ge, gt, le, lt
VertexIndices in_indices;
VertexIndices out_indices;
diff --git a/src/video_core/shader/decode/other.cpp b/src/video_core/shader/decode/other.cpp
index d4f95b18c..399a455c4 100644
--- a/src/video_core/shader/decode/other.cpp
+++ b/src/video_core/shader/decode/other.cpp
@@ -109,6 +109,27 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) {
return Operation(OperationCode::WorkGroupIdY);
case SystemVariable::CtaIdZ:
return Operation(OperationCode::WorkGroupIdZ);
+ case SystemVariable::EqMask:
+ case SystemVariable::LtMask:
+ case SystemVariable::LeMask:
+ case SystemVariable::GtMask:
+ case SystemVariable::GeMask:
+ uses_warps = true;
+ switch (instr.sys20) {
+ case SystemVariable::EqMask:
+ return Operation(OperationCode::ThreadEqMask);
+ case SystemVariable::LtMask:
+ return Operation(OperationCode::ThreadLtMask);
+ case SystemVariable::LeMask:
+ return Operation(OperationCode::ThreadLeMask);
+ case SystemVariable::GtMask:
+ return Operation(OperationCode::ThreadGtMask);
+ case SystemVariable::GeMask:
+ return Operation(OperationCode::ThreadGeMask);
+ default:
+ UNREACHABLE();
+ return Immediate(0u);
+ }
default:
UNIMPLEMENTED_MSG("Unhandled system move: {}",
static_cast<u32>(instr.sys20.Value()));
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index f75b62240..cce8aeebe 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -226,6 +226,11 @@ enum class OperationCode {
VoteEqual, /// (bool) -> bool
ThreadId, /// () -> uint
+ ThreadEqMask, /// () -> uint
+ ThreadGeMask, /// () -> uint
+ ThreadGtMask, /// () -> uint
+ ThreadLeMask, /// () -> uint
+ ThreadLtMask, /// () -> uint
ShuffleIndexed, /// (uint value, uint index) -> uint
MemoryBarrierGL, /// () -> void
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 03:08:18 +0000