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shader_ir: Remove composite primitives and use temporals instead

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This commit is contained in:
ReinUsesLisp
2018-12-27 01:50:22 -03:00
parent bb12f99b20
commit d911740e5d
4 changed files with 239 additions and 256 deletions
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60
src/video_core/shader/shader_ir.h
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@ -4,6 +4,7 @@
#pragma once
#include <array>
#include <cstring>
#include <map>
#include <set>
@ -37,17 +38,15 @@ using NodeData =
std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode, InternalFlagNode,
PredicateNode, AbufNode, CbufNode, LmemNode, GmemNode, CommentNode>;
using Node = const NodeData*;
using Node4 = std::array<Node, 4>;
using BasicBlock = std::vector<Node>;
constexpr u32 MAX_PROGRAM_LENGTH = 0x1000;
enum class OperationCode {
Assign, /// (float& dest, float src) -> void
AssignComposite, /// (MetaComponents, float4 src, float&[4] dst) -> void
AssignCompositeHalf, /// (MetaComponents, float4 src, float&[2] dst) -> void
Assign, /// (float& dest, float src) -> void
Composite, /// (float[4] values) -> float4
Select, /// (MetaArithmetic, bool pred, float a, float b) -> float
Select, /// (MetaArithmetic, bool pred, float a, float b) -> float
FAdd, /// (MetaArithmetic, float a, float b) -> float
FMul, /// (MetaArithmetic, float a, float b) -> float
@ -117,6 +116,7 @@ enum class OperationCode {
HMergeF32, /// (f16vec2 src) -> float
HMergeH0, /// (f16vec2 dest, f16vec2 src) -> f16vec2
HMergeH1, /// (f16vec2 dest, f16vec2 src) -> f16vec2
HPack2, /// (float a, float b) -> f16vec2
LogicalAssign, /// (bool& dst, bool src) -> void
LogicalAnd, /// (bool a, bool b) -> bool
@ -270,24 +270,16 @@ struct MetaHalfArithmetic {
struct MetaTexture {
const Sampler& sampler;
u32 element{};
u32 coords_count{};
std::optional<u32> array_index;
};
struct MetaComponents {
std::array<u32, 4> components_map{};
u32 count{};
u32 GetSourceComponent(u32 dest_index) const {
return components_map[dest_index];
}
};
constexpr MetaArithmetic PRECISE = {true};
constexpr MetaArithmetic NO_PRECISE = {false};
constexpr MetaHalfArithmetic HALF_NO_PRECISE = {false};
using Meta = std::variant<MetaArithmetic, MetaHalfArithmetic, MetaTexture, MetaComponents>;
using Meta = std::variant<MetaArithmetic, MetaHalfArithmetic, MetaTexture>;
/// Holds any kind of operation that can be done in the IR
class OperationNode final {
@ -643,6 +635,8 @@ private:
Node GetInternalFlag(InternalFlag flag, bool negated = false);
/// Generates a node representing a local memory address
Node GetLocalMemory(Node address);
/// Generates a temporal, internally it uses a post-RZ register
Node GetTemporal(u32 id);
/// Sets a register. src value must be a number-evaluated node.
void SetRegister(BasicBlock& bb, Tegra::Shader::Register dest, Node src);
@ -652,6 +646,8 @@ private:
void SetInternalFlag(BasicBlock& bb, InternalFlag flag, Node value);
/// Sets a local memory address. address and value must be a number-evaluated node
void SetLocalMemory(BasicBlock& bb, Node address, Node value);
/// Sets a temporal. Internally it uses a post-RZ register
void SetTemporal(BasicBlock& bb, u32 id, Node value);
/// Conditionally absolute/negated float. Absolute is applied first
Node GetOperandAbsNegFloat(Node value, bool absolute, bool negate);
@ -692,32 +688,36 @@ private:
/// Extracts a sequence of bits from a node
Node BitfieldExtract(Node value, u32 offset, u32 bits);
void WriteTexsInstructionFloat(BasicBlock& bb, Tegra::Shader::Instruction instr, Node texture);
void WriteTexInstructionFloat(BasicBlock& bb, Tegra::Shader::Instruction instr,
const Node4& components);
void WriteTexsInstructionFloat(BasicBlock& bb, Tegra::Shader::Instruction instr,
const Node4& components);
void WriteTexsInstructionHalfFloat(BasicBlock& bb, Tegra::Shader::Instruction instr,
Node texture);
const Node4& components);
Node GetTexCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
bool is_array);
Node GetTexsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
Node4 GetTexCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
bool is_array);
Node GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
bool depth_compare, bool is_array);
Node4 GetTexsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
bool is_array);
Node GetTldsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
bool is_array);
Node4 GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
bool depth_compare, bool is_array);
Node4 GetTldsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
bool is_array);
std::tuple<std::size_t, std::size_t> ValidateAndGetCoordinateElement(
Tegra::Shader::TextureType texture_type, bool depth_compare, bool is_array,
bool lod_bias_enabled, std::size_t max_coords, std::size_t max_inputs);
Node GetTextureCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
bool is_array, std::size_t array_offset, std::size_t bias_offset,
std::vector<Node>&& coords);
Node4 GetTextureCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
bool is_array, std::size_t array_offset, std::size_t bias_offset,
std::vector<Node>&& coords);
Node GetVideoOperand(Node op, bool is_chunk, bool is_signed, Tegra::Shader::VideoType type,
u64 byte_height);