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-rw-r--r--src/video_core/shader/decode/image.cpp6
-rw-r--r--src/video_core/shader/decode/memory.cpp19
-rw-r--r--src/video_core/shader/decode/texture.cpp8
-rw-r--r--src/video_core/shader/shader_ir.cpp11
-rw-r--r--src/video_core/shader/shader_ir.h2
-rw-r--r--src/video_core/shader/track.cpp25
6 files changed, 36 insertions, 35 deletions
diff --git a/src/video_core/shader/decode/image.cpp b/src/video_core/shader/decode/image.cpp
index 24f022cc0..77151a24b 100644
--- a/src/video_core/shader/decode/image.cpp
+++ b/src/video_core/shader/decode/image.cpp
@@ -95,12 +95,8 @@ const Image& ShaderIR::GetImage(Tegra::Shader::Image image, Tegra::Shader::Image
const Image& ShaderIR::GetBindlessImage(Tegra::Shader::Register reg,
Tegra::Shader::ImageType type) {
const Node image_register{GetRegister(reg)};
- const Node base_image{
+ const auto [base_image, cbuf_index, cbuf_offset]{
TrackCbuf(image_register, global_code, static_cast<s64>(global_code.size()))};
- const auto cbuf{std::get_if<CbufNode>(&*base_image)};
- const auto cbuf_offset_imm{std::get_if<ImmediateNode>(&*cbuf->GetOffset())};
- const auto cbuf_offset{cbuf_offset_imm->GetValue()};
- const auto cbuf_index{cbuf->GetIndex()};
const auto cbuf_key{(static_cast<u64>(cbuf_index) << 32) | static_cast<u64>(cbuf_offset)};
// If this image has already been used, return the existing mapping.
diff --git a/src/video_core/shader/decode/memory.cpp b/src/video_core/shader/decode/memory.cpp
index 80fc0ccfc..ab207a33b 100644
--- a/src/video_core/shader/decode/memory.cpp
+++ b/src/video_core/shader/decode/memory.cpp
@@ -297,18 +297,13 @@ std::tuple<Node, Node, GlobalMemoryBase> ShaderIR::TrackAndGetGlobalMemory(NodeB
const auto addr_register{GetRegister(instr.gmem.gpr)};
const auto immediate_offset{static_cast<u32>(instr.gmem.offset)};
- const Node base_address{
- TrackCbuf(addr_register, global_code, static_cast<s64>(global_code.size()))};
- const auto cbuf = std::get_if<CbufNode>(&*base_address);
- ASSERT(cbuf != nullptr);
- const auto cbuf_offset_imm = std::get_if<ImmediateNode>(&*cbuf->GetOffset());
- ASSERT(cbuf_offset_imm != nullptr);
- const auto cbuf_offset = cbuf_offset_imm->GetValue();
-
- bb.push_back(
- Comment(fmt::format("Base address is c[0x{:x}][0x{:x}]", cbuf->GetIndex(), cbuf_offset)));
-
- const GlobalMemoryBase descriptor{cbuf->GetIndex(), cbuf_offset};
+ const auto [base_address, index, offset] =
+ TrackCbuf(addr_register, global_code, static_cast<s64>(global_code.size()));
+ ASSERT(base_address != nullptr);
+
+ bb.push_back(Comment(fmt::format("Base address is c[0x{:x}][0x{:x}]", index, offset)));
+
+ const GlobalMemoryBase descriptor{index, offset};
const auto& [entry, is_new] = used_global_memory.try_emplace(descriptor);
auto& usage = entry->second;
if (is_write) {
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index 323be3f14..e1ee5c190 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -308,13 +308,9 @@ const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, Textu
const Sampler& ShaderIR::GetBindlessSampler(const Tegra::Shader::Register& reg, TextureType type,
bool is_array, bool is_shadow) {
const Node sampler_register = GetRegister(reg);
- const Node base_sampler =
+ const auto [base_sampler, cbuf_index, cbuf_offset] =
TrackCbuf(sampler_register, global_code, static_cast<s64>(global_code.size()));
- const auto cbuf = std::get_if<CbufNode>(&*base_sampler);
- const auto cbuf_offset_imm = std::get_if<ImmediateNode>(&*cbuf->GetOffset());
- ASSERT(cbuf_offset_imm != nullptr);
- const auto cbuf_offset = cbuf_offset_imm->GetValue();
- const auto cbuf_index = cbuf->GetIndex();
+ ASSERT(base_sampler != nullptr);
const auto cbuf_key = (static_cast<u64>(cbuf_index) << 32) | static_cast<u64>(cbuf_offset);
// If this sampler has already been used, return the existing mapping.
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index caa409788..78bd1cf1e 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -61,7 +61,16 @@ Node ShaderIR::GetConstBufferIndirect(u64 index_, u64 offset_, Node node) {
const auto [entry, is_new] = used_cbufs.try_emplace(index);
entry->second.MarkAsUsedIndirect();
- const Node final_offset = Operation(OperationCode::UAdd, NO_PRECISE, node, Immediate(offset));
+ const Node final_offset = [&]() {
+ // Attempt to inline constant buffer without a variable offset. This is done to allow
+ // tracking LDC calls.
+ if (const auto gpr = std::get_if<GprNode>(&*node)) {
+ if (gpr->GetIndex() == Register::ZeroIndex) {
+ return Immediate(offset);
+ }
+ }
+ return Operation(OperationCode::UAdd, NO_PRECISE, node, Immediate(offset));
+ }();
return MakeNode<CbufNode>(index, final_offset);
}
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index 03c888def..126c78136 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -328,7 +328,7 @@ private:
void WriteLop3Instruction(NodeBlock& bb, Tegra::Shader::Register dest, Node op_a, Node op_b,
Node op_c, Node imm_lut, bool sets_cc);
- Node TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const;
+ std::tuple<Node, u32, u32> TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const;
std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const;
diff --git a/src/video_core/shader/track.cpp b/src/video_core/shader/track.cpp
index fc957d980..dc132a4a3 100644
--- a/src/video_core/shader/track.cpp
+++ b/src/video_core/shader/track.cpp
@@ -32,39 +32,44 @@ std::pair<Node, s64> FindOperation(const NodeBlock& code, s64 cursor,
}
return {};
}
-} // namespace
+} // Anonymous namespace
-Node ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const {
+std::tuple<Node, u32, u32> ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code,
+ s64 cursor) const {
if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {
- // Cbuf found, but it has to be immediate
- return std::holds_alternative<ImmediateNode>(*cbuf->GetOffset()) ? tracked : nullptr;
+ // Constant buffer found, test if it's an immediate
+ const auto offset = cbuf->GetOffset();
+ if (const auto immediate = std::get_if<ImmediateNode>(&*offset)) {
+ return {tracked, cbuf->GetIndex(), immediate->GetValue()};
+ }
+ return {};
}
if (const auto gpr = std::get_if<GprNode>(&*tracked)) {
if (gpr->GetIndex() == Tegra::Shader::Register::ZeroIndex) {
- return nullptr;
+ return {};
}
// Reduce the cursor in one to avoid infinite loops when the instruction sets the same
// register that it uses as operand
const auto [source, new_cursor] = TrackRegister(gpr, code, cursor - 1);
if (!source) {
- return nullptr;
+ return {};
}
return TrackCbuf(source, code, new_cursor);
}
if (const auto operation = std::get_if<OperationNode>(&*tracked)) {
for (std::size_t i = 0; i < operation->GetOperandsCount(); ++i) {
- if (const auto found = TrackCbuf((*operation)[i], code, cursor)) {
- // Cbuf found in operand
+ if (auto found = TrackCbuf((*operation)[i], code, cursor); std::get<0>(found)) {
+ // Cbuf found in operand.
return found;
}
}
- return nullptr;
+ return {};
}
if (const auto conditional = std::get_if<ConditionalNode>(&*tracked)) {
const auto& conditional_code = conditional->GetCode();
return TrackCbuf(tracked, conditional_code, static_cast<s64>(conditional_code.size()));
}
- return nullptr;
+ return {};
}
std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 12:00:19 +0100