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-rw-r--r--src/video_core/shader/decode/texture.cpp125
-rw-r--r--src/video_core/shader/shader_ir.h24
2 files changed, 87 insertions, 62 deletions
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index 193368c29..8f0bb996e 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -139,7 +139,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
}
const Node component = Immediate(static_cast<u32>(instr.tld4s.component));
- const SamplerInfo info{TextureType::Texture2D, false, is_depth_compare, false};
+ SamplerInfo info;
+ info.is_shadow = is_depth_compare;
const std::optional<Sampler> sampler = GetSampler(instr.sampler, info);
Node4 values;
@@ -164,20 +165,20 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
"AOFFI is not implemented");
const bool is_array = instr.txd.is_array != 0;
- u64 base_reg = instr.gpr8.Value();
const auto derivate_reg = instr.gpr20.Value();
const auto texture_type = instr.txd.texture_type.Value();
const auto coord_count = GetCoordCount(texture_type);
- Node index_var{};
- const std::optional<Sampler> sampler =
- is_bindless
- ? GetBindlessSampler(base_reg, index_var, {{texture_type, is_array, false, false}})
- : GetSampler(instr.sampler, {{texture_type, is_array, false, false}});
+ u64 base_reg = instr.gpr8.Value();
+ Node index_var;
+ SamplerInfo info;
+ info.type = texture_type;
+ info.is_array = is_array;
+ const std::optional<Sampler> sampler = is_bindless
+ ? GetBindlessSampler(base_reg, info, index_var)
+ : GetSampler(instr.sampler, info);
Node4 values;
if (!sampler) {
- for (u32 element = 0; element < values.size(); ++element) {
- values[element] = Immediate(0);
- }
+ std::generate(values.begin(), values.end(), [this] { return Immediate(0); });
WriteTexInstructionFloat(bb, instr, values);
break;
}
@@ -215,12 +216,10 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
is_bindless = true;
[[fallthrough]];
case OpCode::Id::TXQ: {
- // TODO: The new commits on the texture refactor, change the way samplers work.
- // Sadly, not all texture instructions specify the type of texture their sampler
- // uses. This must be fixed at a later instance.
- Node index_var{};
- const std::optional<Sampler> sampler =
- is_bindless ? GetBindlessSampler(instr.gpr8, index_var) : GetSampler(instr.sampler);
+ Node index_var;
+ const std::optional<Sampler> sampler = is_bindless
+ ? GetBindlessSampler(instr.gpr8, {}, index_var)
+ : GetSampler(instr.sampler, {});
if (!sampler) {
u32 indexer = 0;
@@ -268,10 +267,15 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
UNIMPLEMENTED_IF_MSG(instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
"NDV is not implemented");
- auto texture_type = instr.tmml.texture_type.Value();
- Node index_var{};
+ const auto texture_type = instr.tmml.texture_type.Value();
+ const bool is_array = instr.tmml.array != 0;
+ SamplerInfo info;
+ info.type = texture_type;
+ info.is_array = is_array;
+ Node index_var;
const std::optional<Sampler> sampler =
- is_bindless ? GetBindlessSampler(instr.gpr20, index_var) : GetSampler(instr.sampler);
+ is_bindless ? GetBindlessSampler(instr.gpr20, info, index_var)
+ : GetSampler(instr.sampler, info);
if (!sampler) {
u32 indexer = 0;
@@ -300,12 +304,11 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
coords.push_back(GetRegister(instr.gpr8.Value() + 1));
break;
default:
- UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<u32>(texture_type));
+ UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<int>(texture_type));
// Fallback to interpreting as a 2D texture for now
coords.push_back(GetRegister(instr.gpr8.Value() + 0));
coords.push_back(GetRegister(instr.gpr8.Value() + 1));
- texture_type = TextureType::Texture2D;
}
u32 indexer = 0;
for (u32 element = 0; element < 2; ++element) {
@@ -354,23 +357,30 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
return pc;
}
-ShaderIR::SamplerInfo ShaderIR::GetSamplerInfo(std::optional<SamplerInfo> sampler_info, u32 offset,
+ShaderIR::SamplerInfo ShaderIR::GetSamplerInfo(SamplerInfo info, u32 offset,
std::optional<u32> buffer) {
- if (sampler_info) {
- return *sampler_info;
+ if (info.IsComplete()) {
+ return info;
}
const auto sampler = buffer ? registry.ObtainBindlessSampler(*buffer, offset)
: registry.ObtainBoundSampler(offset);
if (!sampler) {
LOG_WARNING(HW_GPU, "Unknown sampler info");
- return SamplerInfo{TextureType::Texture2D, false, false, false};
- }
- return SamplerInfo{sampler->texture_type, sampler->is_array != 0, sampler->is_shadow != 0,
- sampler->is_buffer != 0};
+ info.type = info.type.value_or(Tegra::Shader::TextureType::Texture2D);
+ info.is_array = info.is_array.value_or(false);
+ info.is_shadow = info.is_shadow.value_or(false);
+ info.is_buffer = info.is_buffer.value_or(false);
+ return info;
+ }
+ info.type = info.type.value_or(sampler->texture_type);
+ info.is_array = info.is_array.value_or(sampler->is_array != 0);
+ info.is_shadow = info.is_shadow.value_or(sampler->is_shadow != 0);
+ info.is_buffer = info.is_buffer.value_or(sampler->is_buffer != 0);
+ return info;
}
-std::optional<Sampler> ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler,
- std::optional<SamplerInfo> sampler_info) {
+std::optional<Sampler> ShaderIR::GetSampler(Tegra::Shader::Sampler sampler,
+ SamplerInfo sampler_info) {
const auto offset = static_cast<u32>(sampler.index.Value());
const auto info = GetSamplerInfo(sampler_info, offset);
@@ -385,12 +395,12 @@ std::optional<Sampler> ShaderIR::GetSampler(const Tegra::Shader::Sampler& sample
// Otherwise create a new mapping for this sampler
const auto next_index = static_cast<u32>(used_samplers.size());
- return used_samplers.emplace_back(next_index, offset, info.type, info.is_array, info.is_shadow,
- info.is_buffer, false);
+ return used_samplers.emplace_back(next_index, offset, *info.type, *info.is_array,
+ *info.is_shadow, *info.is_buffer, false);
}
-std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, Node& index_var,
- std::optional<SamplerInfo> sampler_info) {
+std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, SamplerInfo info,
+ Node& index_var) {
const Node sampler_register = GetRegister(reg);
const auto [base_node, tracked_sampler_info] =
TrackBindlessSampler(sampler_register, global_code, static_cast<s64>(global_code.size()));
@@ -403,7 +413,7 @@ std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg,
std::get_if<BindlessSamplerNode>(&*tracked_sampler_info)) {
const u32 buffer = bindless_sampler_info->GetIndex();
const u32 offset = bindless_sampler_info->GetOffset();
- const auto info = GetSamplerInfo(sampler_info, offset, buffer);
+ info = GetSamplerInfo(info, offset, buffer);
// If this sampler has already been used, return the existing mapping.
const auto it = std::find_if(used_samplers.begin(), used_samplers.end(),
@@ -418,13 +428,13 @@ std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg,
// Otherwise create a new mapping for this sampler
const auto next_index = static_cast<u32>(used_samplers.size());
- return used_samplers.emplace_back(next_index, offset, buffer, info.type, info.is_array,
- info.is_shadow, info.is_buffer, false);
+ return used_samplers.emplace_back(next_index, offset, buffer, *info.type, *info.is_array,
+ *info.is_shadow, *info.is_buffer, false);
}
if (const auto array_sampler_info = std::get_if<ArraySamplerNode>(&*tracked_sampler_info)) {
const u32 base_offset = array_sampler_info->GetBaseOffset() / 4;
index_var = GetCustomVariable(array_sampler_info->GetIndexVar());
- const auto info = GetSamplerInfo(sampler_info, base_offset);
+ info = GetSamplerInfo(info, base_offset);
// If this sampler has already been used, return the existing mapping.
const auto it = std::find_if(
@@ -440,8 +450,8 @@ std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg,
uses_indexed_samplers = true;
// Otherwise create a new mapping for this sampler
const auto next_index = static_cast<u32>(used_samplers.size());
- return used_samplers.emplace_back(next_index, base_offset, info.type, info.is_array,
- info.is_shadow, info.is_buffer, true);
+ return used_samplers.emplace_back(next_index, base_offset, *info.type, *info.is_array,
+ *info.is_shadow, *info.is_buffer, true);
}
return std::nullopt;
}
@@ -528,11 +538,16 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
ASSERT_MSG(texture_type != TextureType::Texture3D || !is_array || !is_shadow,
"Illegal texture type");
- const SamplerInfo info{texture_type, is_array, is_shadow, false};
+ SamplerInfo info;
+ info.type = texture_type;
+ info.is_array = is_array;
+ info.is_shadow = is_shadow;
+ info.is_buffer = false;
+
Node index_var;
- std::optional<Sampler> sampler = is_bindless
- ? GetBindlessSampler(*bindless_reg, index_var, info)
- : GetSampler(instr.sampler, info);
+ const std::optional<Sampler> sampler = is_bindless
+ ? GetBindlessSampler(*bindless_reg, info, index_var)
+ : GetSampler(instr.sampler, info);
if (!sampler) {
return {Immediate(0), Immediate(0), Immediate(0), Immediate(0)};
}
@@ -683,10 +698,14 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
u64 parameter_register = instr.gpr20.Value();
- const SamplerInfo info{texture_type, is_array, depth_compare, false};
- Node index_var{};
+ SamplerInfo info;
+ info.type = texture_type;
+ info.is_array = is_array;
+ info.is_shadow = depth_compare;
+
+ Node index_var;
const std::optional<Sampler> sampler =
- is_bindless ? GetBindlessSampler(parameter_register++, index_var, info)
+ is_bindless ? GetBindlessSampler(parameter_register++, info, index_var)
: GetSampler(instr.sampler, info);
Node4 values;
if (!sampler) {
@@ -744,12 +763,12 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) {
// const Node aoffi_register{is_aoffi ? GetRegister(gpr20_cursor++) : nullptr};
// const Node multisample{is_multisample ? GetRegister(gpr20_cursor++) : nullptr};
- const auto& sampler = *GetSampler(instr.sampler);
+ const std::optional<Sampler> sampler = GetSampler(instr.sampler, {});
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));
}
@@ -757,7 +776,11 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) {
}
Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is_array) {
- const Sampler& sampler = *GetSampler(instr.sampler);
+ SamplerInfo info;
+ info.type = texture_type;
+ info.is_array = is_array;
+ info.is_shadow = false;
+ const std::optional<Sampler> sampler = GetSampler(instr.sampler, info);
const std::size_t type_coord_count = GetCoordCount(texture_type);
const bool lod_enabled = instr.tlds.GetTextureProcessMode() == TextureProcessMode::LL;
@@ -785,7 +808,7 @@ 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;
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index ae5e414cb..748d73087 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -191,10 +191,14 @@ private:
friend class ASTDecoder;
struct SamplerInfo {
- Tegra::Shader::TextureType type;
- bool is_array;
- bool is_shadow;
- bool is_buffer;
+ std::optional<Tegra::Shader::TextureType> type;
+ std::optional<bool> is_array;
+ std::optional<bool> is_shadow;
+ std::optional<bool> is_buffer;
+
+ constexpr bool IsComplete() const noexcept {
+ return type && is_array && is_shadow && is_buffer;
+ }
};
void Decode();
@@ -327,17 +331,15 @@ private:
OperationCode GetPredicateCombiner(Tegra::Shader::PredOperation operation);
/// Queries the missing sampler info from the execution context.
- SamplerInfo GetSamplerInfo(std::optional<SamplerInfo> sampler_info, u32 offset,
+ SamplerInfo GetSamplerInfo(SamplerInfo info, u32 offset,
std::optional<u32> buffer = std::nullopt);
- /// Accesses a texture sampler
- std::optional<Sampler> GetSampler(const Tegra::Shader::Sampler& sampler,
- std::optional<SamplerInfo> sampler_info = std::nullopt);
+ /// Accesses a texture sampler.
+ std::optional<Sampler> GetSampler(Tegra::Shader::Sampler sampler, SamplerInfo info);
/// Accesses a texture sampler for a bindless texture.
- std::optional<Sampler> GetBindlessSampler(
- Tegra::Shader::Register reg, Node& index_var,
- std::optional<SamplerInfo> sampler_info = std::nullopt);
+ std::optional<Sampler> GetBindlessSampler(Tegra::Shader::Register reg, SamplerInfo info,
+ Node& index_var);
/// Accesses an image.
Image& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 21:39:49 +0200