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shader_ir: Add attribute getters

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This commit is contained in:
ReinUsesLisp 2018-12-20 22:45:34 -03:00
parent 864e8f55cf
commit 15f431f0cb
2 changed files with 26 additions and 0 deletions
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21
src/video_core/shader/shader_ir.cpp
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@ -88,6 +88,27 @@ Node ShaderIR::GetPredicate(bool immediate) {
return GetPredicate(static_cast<u64>(immediate ? Pred::UnusedIndex : Pred::NeverExecute));
}
Node ShaderIR::GetInputAttribute(Attribute::Index index, u64 element,
const Tegra::Shader::IpaMode& input_mode, Node buffer) {
const auto [entry, is_new] =
used_input_attributes.emplace(std::make_pair(index, std::set<Tegra::Shader::IpaMode>{}));
entry->second.insert(input_mode);
return StoreNode(AbufNode(index, static_cast<u32>(element), input_mode, buffer));
}
Node ShaderIR::GetOutputAttribute(Attribute::Index index, u64 element, Node buffer) {
if (index == Attribute::Index::ClipDistances0123 ||
index == Attribute::Index::ClipDistances4567) {
const auto clip_index =
static_cast<u32>((index == Attribute::Index::ClipDistances4567 ? 1 : 0) + element);
used_clip_distances.at(clip_index) = true;
}
used_output_attributes.insert(index);
return StoreNode(AbufNode(index, static_cast<u32>(element), buffer));
}
/*static*/ OperationCode ShaderIR::SignedToUnsignedCode(OperationCode operation_code,
bool is_signed) {
if (is_signed) {

5
src/video_core/shader/shader_ir.h
View File

@ -624,6 +624,11 @@ private:
Node GetPredicate(u64 pred, bool negated = false);
/// Generates a predicate node for an immediate true or false value
Node GetPredicate(bool immediate);
/// Generates a node representing an input atttribute. Keeps track of used attributes.
Node GetInputAttribute(Tegra::Shader::Attribute::Index index, u64 element,
const Tegra::Shader::IpaMode& input_mode, Node buffer = {});
/// Generates a node representing an output atttribute. Keeps track of used attributes.
Node GetOutputAttribute(Tegra::Shader::Attribute::Index index, u64 element, Node buffer);
template <typename... T>
inline Node Operation(OperationCode code, const T*... operands) {