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Shader_Ir: default failed tracks on bindless samplers to null values.

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This commit is contained in:
Fernando Sahmkow
2019-12-11 13:07:30 -04:00
committed by FernandoS27
parent 900b2e5cae
commit 271a3264f3
2 changed files with 77 additions and 24 deletions
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97
src/video_core/shader/decode/texture.cpp
View File

@@ -129,7 +129,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
const Node component = Immediate(static_cast<u32>(instr.tld4s.component));
const SamplerInfo info{TextureType::Texture2D, false, depth_compare};
const auto& sampler = GetSampler(instr.sampler, info);
const Sampler& sampler = *GetSampler(instr.sampler, info);
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
@@ -154,9 +154,17 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
const auto texture_type = instr.txd.texture_type.Value();
const auto coord_count = GetCoordCount(texture_type);
const auto& sampler = is_bindless
const Sampler* sampler = is_bindless
? GetBindlessSampler(base_reg, {{texture_type, false, false}})
: GetSampler(instr.sampler, {{texture_type, false, false}});
Node4 values;
if (sampler == nullptr) {
for (u32 element = 0; element < values.size(); ++element) {
values[element] = Immediate(0);
}
WriteTexInstructionFloat(bb, instr, values);
break;
}
if (is_bindless) {
base_reg++;
}
@@ -170,9 +178,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
derivates.push_back(GetRegister(derivate_reg + derivate + 1));
}
Node4 values;
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);
}
@@ -187,9 +194,24 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
// 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.
const auto& sampler =
const Sampler* sampler =
is_bindless ? GetBindlessSampler(instr.gpr8) : GetSampler(instr.sampler);
if (sampler == nullptr) {
u32 indexer = 0;
for (u32 element = 0; element < 4; ++element) {
if (!instr.txq.IsComponentEnabled(element)) {
continue;
}
const Node value = Immediate(0);
SetTemporary(bb, indexer++, value);
}
for (u32 i = 0; i < indexer; ++i) {
SetRegister(bb, instr.gpr0.Value() + i, GetTemporary(i));
}
break;
}
u32 indexer = 0;
switch (instr.txq.query_type) {
case Tegra::Shader::TextureQueryType::Dimension: {
@@ -197,7 +219,7 @@ 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)));
@@ -223,9 +245,24 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
auto texture_type = instr.tmml.texture_type.Value();
const bool is_array = instr.tmml.array != 0;
const auto& sampler =
const Sampler* sampler =
is_bindless ? GetBindlessSampler(instr.gpr20) : GetSampler(instr.sampler);
if (sampler == nullptr) {
u32 indexer = 0;
for (u32 element = 0; element < 2; ++element) {
if (!instr.tmml.IsComponentEnabled(element)) {
continue;
}
const Node value = Immediate(0);
SetTemporary(bb, indexer++, value);
}
for (u32 i = 0; i < indexer; ++i) {
SetRegister(bb, instr.gpr0.Value() + i, GetTemporary(i));
}
break;
}
std::vector<Node> coords;
// TODO: Add coordinates for different samplers once other texture types are implemented.
@@ -251,7 +288,7 @@ 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);
}
@@ -307,7 +344,7 @@ ShaderIR::SamplerInfo ShaderIR::GetSamplerInfo(std::optional<SamplerInfo> sample
sampler->is_buffer != 0};
}
const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler,
const Sampler* ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler,
std::optional<SamplerInfo> sampler_info) {
const auto offset = static_cast<u32>(sampler.index.Value());
const auto info = GetSamplerInfo(sampler_info, offset);
@@ -319,21 +356,24 @@ 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
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,
return &used_samplers.emplace_back(next_index, offset, info.type, info.is_array, info.is_shadow,
info.is_buffer);
}
const Sampler& ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg,
const Sampler* ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg,
std::optional<SamplerInfo> sampler_info) {
const Node sampler_register = GetRegister(reg);
const auto [base_sampler, buffer, offset] =
TrackCbuf(sampler_register, global_code, static_cast<s64>(global_code.size()));
ASSERT(base_sampler != nullptr);
if (base_sampler == nullptr) {
return nullptr;
}
const auto info = GetSamplerInfo(sampler_info, offset, buffer);
@@ -346,12 +386,12 @@ 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
const auto next_index = static_cast<u32>(used_samplers.size());
return used_samplers.emplace_back(next_index, offset, buffer, info.type, info.is_array,
return &used_samplers.emplace_back(next_index, offset, buffer, info.type, info.is_array,
info.is_shadow, info.is_buffer);
}
@@ -438,8 +478,15 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
"This method is not supported.");
const SamplerInfo info{texture_type, is_array, is_shadow, false};
const auto& sampler =
const Sampler* sampler =
is_bindless ? GetBindlessSampler(*bindless_reg, info) : GetSampler(instr.sampler, info);
Node4 values;
if (sampler == nullptr) {
for (u32 element = 0; element < values.size(); ++element) {
values[element] = Immediate(0);
}
return values;
}
const bool lod_needed = process_mode == TextureProcessMode::LZ ||
process_mode == TextureProcessMode::LL ||
@@ -478,10 +525,10 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
}
}
Node4 values;
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));
}
@@ -594,8 +641,15 @@ 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};
const auto& sampler = is_bindless ? GetBindlessSampler(parameter_register++, info)
const Sampler* sampler = is_bindless ? GetBindlessSampler(parameter_register++, info)
: GetSampler(instr.sampler, info);
Node4 values;
if (sampler == nullptr) {
for (u32 element = 0; element < values.size(); ++element) {
values[element] = Immediate(0);
}
return values;
}
std::vector<Node> aoffi;
if (is_aoffi) {
@@ -610,10 +664,9 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
const Node component = is_bindless ? Immediate(static_cast<u32>(instr.tld4_b.component))
: Immediate(static_cast<u32>(instr.tld4.component));
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
MetaTexture meta{sampler, GetRegister(array_register), dc, aoffi, {}, {}, {}, component,
MetaTexture meta{*sampler, GetRegister(array_register), dc, aoffi, {}, {}, {}, component,
element};
values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
}
@@ -642,7 +695,7 @@ 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 auto& sampler = *GetSampler(instr.sampler);
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
@@ -655,7 +708,7 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) {
}
Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is_array) {
const auto& sampler = GetSampler(instr.sampler);
const Sampler& sampler = *GetSampler(instr.sampler);
const std::size_t type_coord_count = GetCoordCount(texture_type);
const bool lod_enabled = instr.tlds.GetTextureProcessMode() == TextureProcessMode::LL;

4
src/video_core/shader/shader_ir.h
View File

@@ -313,11 +313,11 @@ private:
std::optional<u32> buffer = std::nullopt);
/// Accesses a texture sampler
const Sampler& GetSampler(const Tegra::Shader::Sampler& sampler,
const Sampler* GetSampler(const Tegra::Shader::Sampler& sampler,
std::optional<SamplerInfo> sampler_info = std::nullopt);
/// Accesses a texture sampler for a bindless texture.
const Sampler& GetBindlessSampler(Tegra::Shader::Register reg,
const Sampler* GetBindlessSampler(Tegra::Shader::Register reg,
std::optional<SamplerInfo> sampler_info = std::nullopt);
/// Accesses an image.