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-rw-r--r--src/video_core/shader/decode/texture.cpp108
1 files changed, 75 insertions, 33 deletions
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index dff01a541..4b14cdf58 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -89,59 +89,62 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
[[fallthrough]];
}
case OpCode::Id::TLD4: {
- ASSERT(instr.tld4.array == 0);
UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::NDV),
"NDV is not implemented");
- UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::PTP),
- "PTP is not implemented");
-
const auto texture_type = instr.tld4.texture_type.Value();
const bool depth_compare = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::DC)
: instr.tld4.UsesMiscMode(TextureMiscMode::DC);
const bool is_array = instr.tld4.array != 0;
const bool is_aoffi = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::AOFFI)
: instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI);
- WriteTexInstructionFloat(
- bb, instr,
- GetTld4Code(instr, texture_type, depth_compare, is_array, is_aoffi, is_bindless));
+ const bool is_ptp = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::PTP)
+ : instr.tld4.UsesMiscMode(TextureMiscMode::PTP);
+ WriteTexInstructionFloat(bb, instr,
+ GetTld4Code(instr, texture_type, depth_compare, is_array, is_aoffi,
+ is_ptp, is_bindless));
break;
}
case OpCode::Id::TLD4S: {
- const bool uses_aoffi = instr.tld4s.UsesMiscMode(TextureMiscMode::AOFFI);
- UNIMPLEMENTED_IF_MSG(uses_aoffi, "AOFFI is not implemented");
-
- const bool depth_compare = instr.tld4s.UsesMiscMode(TextureMiscMode::DC);
+ constexpr std::size_t num_coords = 2;
+ const bool is_aoffi = instr.tld4s.UsesMiscMode(TextureMiscMode::AOFFI);
+ const bool is_depth_compare = instr.tld4s.UsesMiscMode(TextureMiscMode::DC);
const Node op_a = GetRegister(instr.gpr8);
const Node op_b = GetRegister(instr.gpr20);
// TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
std::vector<Node> coords;
- Node dc_reg;
- if (depth_compare) {
+ std::vector<Node> aoffi;
+ Node depth_compare;
+ if (is_depth_compare) {
// Note: TLD4S coordinate encoding works just like TEXS's
const Node op_y = GetRegister(instr.gpr8.Value() + 1);
coords.push_back(op_a);
coords.push_back(op_y);
- dc_reg = uses_aoffi ? GetRegister(instr.gpr20.Value() + 1) : op_b;
+ if (is_aoffi) {
+ aoffi = GetAoffiCoordinates(op_b, num_coords, true);
+ depth_compare = GetRegister(instr.gpr20.Value() + 1);
+ } else {
+ depth_compare = op_b;
+ }
} else {
+ // There's no depth compare
coords.push_back(op_a);
- if (uses_aoffi) {
- const Node op_y = GetRegister(instr.gpr8.Value() + 1);
- coords.push_back(op_y);
+ if (is_aoffi) {
+ coords.push_back(GetRegister(instr.gpr8.Value() + 1));
+ aoffi = GetAoffiCoordinates(op_b, num_coords, true);
} else {
coords.push_back(op_b);
}
- dc_reg = {};
}
const Node component = Immediate(static_cast<u32>(instr.tld4s.component));
- const SamplerInfo info{TextureType::Texture2D, false, depth_compare};
+ const SamplerInfo info{TextureType::Texture2D, false, is_depth_compare};
const Sampler& sampler = *GetSampler(instr.sampler, info);
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
- MetaTexture meta{sampler, {}, dc_reg, {}, {}, {}, {}, component, element};
+ MetaTexture meta{sampler, {}, depth_compare, aoffi, {}, {}, {}, {}, component, element};
values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
}
@@ -190,7 +193,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
}
for (u32 element = 0; element < values.size(); ++element) {
- MetaTexture meta{*sampler, {}, {}, {}, derivates, {}, {}, {}, element};
+ MetaTexture meta{*sampler, {}, {}, {}, {}, derivates, {}, {}, {}, element};
values[element] = Operation(OperationCode::TextureGradient, std::move(meta), coords);
}
@@ -230,7 +233,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
if (!instr.txq.IsComponentEnabled(element)) {
continue;
}
- MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, element};
+ MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element};
const Node value =
Operation(OperationCode::TextureQueryDimensions, meta,
GetRegister(instr.gpr8.Value() + (is_bindless ? 1 : 0)));
@@ -299,7 +302,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
continue;
}
auto params = coords;
- MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, element};
+ MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element};
const Node value = Operation(OperationCode::TextureQueryLod, meta, std::move(params));
SetTemporary(bb, indexer++, value);
}
@@ -367,7 +370,7 @@ const Sampler* ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler,
if (it != used_samplers.end()) {
ASSERT(!it->IsBindless() && it->GetType() == info.type && it->IsArray() == info.is_array &&
it->IsShadow() == info.is_shadow && it->IsBuffer() == info.is_buffer);
- return &(*it);
+ return &*it;
}
// Otherwise create a new mapping for this sampler
@@ -397,7 +400,7 @@ const Sampler* ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg,
if (it != used_samplers.end()) {
ASSERT(it->IsBindless() && it->GetType() == info.type && it->IsArray() == info.is_array &&
it->IsShadow() == info.is_shadow);
- return &(*it);
+ return &*it;
}
// Otherwise create a new mapping for this sampler
@@ -538,7 +541,7 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
for (u32 element = 0; element < values.size(); ++element) {
auto copy_coords = coords;
- MetaTexture meta{*sampler, array, depth_compare, aoffi, {}, bias, lod, {}, element};
+ MetaTexture meta{*sampler, array, depth_compare, aoffi, {}, {}, bias, lod, {}, element};
values[element] = Operation(read_method, meta, std::move(copy_coords));
}
@@ -635,7 +638,9 @@ Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
}
Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare,
- bool is_array, bool is_aoffi, bool is_bindless) {
+ bool is_array, bool is_aoffi, bool is_ptp, bool is_bindless) {
+ ASSERT_MSG(!(is_aoffi && is_ptp), "AOFFI and PTP can't be enabled at the same time");
+
const std::size_t coord_count = GetCoordCount(texture_type);
// If enabled arrays index is always stored in the gpr8 field
@@ -661,12 +666,15 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
return values;
}
- std::vector<Node> aoffi;
+ std::vector<Node> aoffi, ptp;
if (is_aoffi) {
aoffi = GetAoffiCoordinates(GetRegister(parameter_register++), coord_count, true);
+ } else if (is_ptp) {
+ ptp = GetPtpCoordinates(
+ {GetRegister(parameter_register++), GetRegister(parameter_register++)});
}
- Node dc{};
+ Node dc;
if (depth_compare) {
dc = GetRegister(parameter_register++);
}
@@ -676,8 +684,8 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
- MetaTexture meta{*sampler, GetRegister(array_register), dc, aoffi, {}, {}, {}, component,
- element};
+ MetaTexture meta{
+ *sampler, GetRegister(array_register), dc, aoffi, ptp, {}, {}, {}, component, element};
values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
}
@@ -710,7 +718,7 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) {
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
- MetaTexture meta{sampler, array_register, {}, {}, {}, {}, lod, {}, element};
+ MetaTexture meta{sampler, array_register, {}, {}, {}, {}, {}, lod, {}, element};
values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy));
}
@@ -760,7 +768,7 @@ Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
- MetaTexture meta{sampler, array, {}, {}, {}, {}, lod, {}, element};
+ MetaTexture meta{sampler, array, {}, {}, {}, {}, {}, lod, {}, element};
values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy));
}
return values;
@@ -825,4 +833,38 @@ std::vector<Node> ShaderIR::GetAoffiCoordinates(Node aoffi_reg, std::size_t coor
return aoffi;
}
+std::vector<Node> ShaderIR::GetPtpCoordinates(std::array<Node, 2> ptp_regs) {
+ static constexpr u32 num_entries = 8;
+
+ std::vector<Node> ptp;
+ ptp.reserve(num_entries);
+
+ const auto global_size = static_cast<s64>(global_code.size());
+ const std::optional low = TrackImmediate(ptp_regs[0], global_code, global_size);
+ const std::optional high = TrackImmediate(ptp_regs[1], global_code, global_size);
+ if (!low || !high) {
+ for (u32 entry = 0; entry < num_entries; ++entry) {
+ const u32 reg = entry / 4;
+ const u32 offset = entry % 4;
+ const Node value = BitfieldExtract(ptp_regs[reg], offset * 8, 6);
+ const Node condition =
+ Operation(OperationCode::LogicalIGreaterEqual, value, Immediate(32));
+ const Node negative = Operation(OperationCode::IAdd, value, Immediate(-64));
+ ptp.push_back(Operation(OperationCode::Select, condition, negative, value));
+ }
+ return ptp;
+ }
+
+ const u64 immediate = (static_cast<u64>(*high) << 32) | static_cast<u64>(*low);
+ for (u32 entry = 0; entry < num_entries; ++entry) {
+ s32 value = (immediate >> (entry * 8)) & 0b111111;
+ if (value >= 32) {
+ value -= 64;
+ }
+ ptp.push_back(Immediate(value));
+ }
+
+ return ptp;
+}
+
} // namespace VideoCommon::Shader
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 00:08:54 +0200