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shader/image: Implement SUATOM and fix SUST

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This commit is contained in:
ReinUsesLisp 2019-07-17 21:03:53 -03:00
parent 34b2c60f95
commit 36abf67e79
7 changed files with 332 additions and 72 deletions
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92
src/video_core/shader/decode/image.cpp
View file

@ -44,7 +44,6 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
switch (opcode->get().GetId()) {
case OpCode::Id::SUST: {
UNIMPLEMENTED_IF(instr.sust.mode != Tegra::Shader::SurfaceDataMode::P);
UNIMPLEMENTED_IF(instr.sust.image_type == Tegra::Shader::ImageType::TextureBuffer);
UNIMPLEMENTED_IF(instr.sust.out_of_bounds_store != Tegra::Shader::OutOfBoundsStore::Ignore);
UNIMPLEMENTED_IF(instr.sust.component_mask_selector != 0xf); // Ensure we have an RGBA store
@ -66,8 +65,46 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
image.MarkWrite();
MetaImage meta{image, values};
const Node store{Operation(OperationCode::ImageStore, meta, std::move(coords))};
bb.push_back(store);
bb.push_back(Operation(OperationCode::ImageStore, meta, std::move(coords)));
break;
}
case OpCode::Id::SUATOM: {
UNIMPLEMENTED_IF(instr.suatom_d.is_ba != 0);
Node value = GetRegister(instr.gpr0);
std::vector<Node> coords;
const std::size_t num_coords{GetImageTypeNumCoordinates(instr.sust.image_type)};
for (std::size_t i = 0; i < num_coords; ++i) {
coords.push_back(GetRegister(instr.gpr8.Value() + i));
}
const OperationCode operation_code = [instr] {
switch (instr.suatom_d.operation) {
case Tegra::Shader::ImageAtomicOperation::Add:
return OperationCode::AtomicImageAdd;
case Tegra::Shader::ImageAtomicOperation::Min:
return OperationCode::AtomicImageMin;
case Tegra::Shader::ImageAtomicOperation::Max:
return OperationCode::AtomicImageMax;
case Tegra::Shader::ImageAtomicOperation::And:
return OperationCode::AtomicImageAnd;
case Tegra::Shader::ImageAtomicOperation::Or:
return OperationCode::AtomicImageOr;
case Tegra::Shader::ImageAtomicOperation::Xor:
return OperationCode::AtomicImageXor;
case Tegra::Shader::ImageAtomicOperation::Exch:
return OperationCode::AtomicImageExchange;
default:
UNIMPLEMENTED_MSG("Unimplemented operation={}",
static_cast<u32>(instr.suatom_d.operation.Value()));
return OperationCode::AtomicImageAdd;
}
}();
const auto& image{GetImage(instr.image, instr.suatom_d.image_type, instr.suatom_d.size)};
MetaImage meta{image, {std::move(value)}};
SetRegister(bb, instr.gpr0, Operation(operation_code, meta, std::move(coords)));
break;
}
default:
@ -77,38 +114,51 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
return pc;
}
Image& ShaderIR::GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type) {
const auto offset{static_cast<u64>(image.index.Value())};
// If this image has already been used, return the existing mapping.
const auto it = used_images.find(offset);
if (it != used_images.end()) {
ASSERT(it->second.GetType() == type);
return it->second;
Image& ShaderIR::GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size) {
const auto offset{static_cast<std::size_t>(image.index.Value())};
if (const auto image = TryUseExistingImage(offset, type, size)) {
return *image;
}
// Otherwise create a new mapping for this image.
const std::size_t next_index{used_images.size()};
return used_images.emplace(offset, Image{offset, next_index, type}).first->second;
return used_images.emplace(offset, Image{offset, next_index, type, size}).first->second;
}
Image& ShaderIR::GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type) {
Image& ShaderIR::GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size) {
const Node image_register{GetRegister(reg)};
const auto [base_image, cbuf_index, cbuf_offset]{
TrackCbuf(image_register, global_code, static_cast<s64>(global_code.size()))};
const auto cbuf_key{(static_cast<u64>(cbuf_index) << 32) | static_cast<u64>(cbuf_offset)};
// If this image has already been used, return the existing mapping.
const auto it = used_images.find(cbuf_key);
if (it != used_images.end()) {
ASSERT(it->second.GetType() == type);
return it->second;
if (const auto image = TryUseExistingImage(cbuf_key, type, size)) {
return *image;
}
// Otherwise create a new mapping for this image.
const std::size_t next_index{used_images.size()};
return used_images.emplace(cbuf_key, Image{cbuf_index, cbuf_offset, next_index, type})
return used_images.emplace(cbuf_key, Image{cbuf_index, cbuf_offset, next_index, type, size})
.first->second;
}
Image* ShaderIR::TryUseExistingImage(u64 offset, Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size) {
auto it = used_images.find(offset);
if (it == used_images.end()) {
return nullptr;
}
auto& image = it->second;
ASSERT(image.GetType() == type);
if (size) {
// We know the size, if it's known it has to be the same as before, otherwise we can set it.
if (image.IsSizeKnown()) {
ASSERT(image.GetSize() == size);
} else {
image.SetSize(*size);
}
}
return &image;
}
} // namespace VideoCommon::Shader

57
src/video_core/shader/node.h
View file

@ -7,6 +7,7 @@
#include <array>
#include <cstddef>
#include <memory>
#include <optional>
#include <string>
#include <tuple>
#include <utility>
@ -148,7 +149,14 @@ enum class OperationCode {
TextureQueryLod, /// (MetaTexture, float[N] coords) -> float4
TexelFetch, /// (MetaTexture, int[N], int) -> float4
ImageStore, /// (MetaImage, float[N] coords) -> void
ImageStore, /// (MetaImage, int[N] values) -> void
AtomicImageAdd, /// (MetaImage, int[N] coords) -> void
AtomicImageMin, /// (MetaImage, int[N] coords) -> void
AtomicImageMax, /// (MetaImage, int[N] coords) -> void
AtomicImageAnd, /// (MetaImage, int[N] coords) -> void
AtomicImageOr, /// (MetaImage, int[N] coords) -> void
AtomicImageXor, /// (MetaImage, int[N] coords) -> void
AtomicImageExchange, /// (MetaImage, int[N] coords) -> void
Branch, /// (uint branch_target) -> void
BranchIndirect, /// (uint branch_target) -> void
@ -275,25 +283,32 @@ private:
class Image final {
public:
constexpr explicit Image(u64 offset, std::size_t index, Tegra::Shader::ImageType type)
: offset{offset}, index{index}, type{type}, is_bindless{false} {}
constexpr explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size)
: offset{offset}, index{index}, type{type}, is_bindless{false}, size{size} {}
constexpr explicit Image(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
Tegra::Shader::ImageType type)
Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size)
: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
is_bindless{true} {}
is_bindless{true}, size{size} {}
constexpr explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type,
bool is_bindless, bool is_written, bool is_read)
bool is_bindless, bool is_written, bool is_read,
std::optional<Tegra::Shader::ImageAtomicSize> size)
: offset{offset}, index{index}, type{type}, is_bindless{is_bindless},
is_written{is_written}, is_read{is_read} {}
is_written{is_written}, is_read{is_read}, size{size} {}
void MarkWrite() {
is_written = true;
}
void MarkRead() {
is_read = true;
}
void MarkWrite() {
is_written = true;
void SetSize(Tegra::Shader::ImageAtomicSize size_) {
size = size_;
}
constexpr std::size_t GetOffset() const {
@ -312,25 +327,39 @@ public:
return is_bindless;
}
constexpr bool IsRead() const {
return is_read;
}
constexpr bool IsWritten() const {
return is_written;
}
constexpr bool IsRead() const {
return is_read;
}
constexpr std::pair<u32, u32> GetBindlessCBuf() const {
return {static_cast<u32>(offset >> 32), static_cast<u32>(offset)};
}
constexpr bool IsSizeKnown() const {
return size.has_value();
}
constexpr Tegra::Shader::ImageAtomicSize GetSize() const {
return size.value();
}
constexpr bool operator<(const Image& rhs) const {
return std::tie(offset, index, type, size, is_bindless) <
std::tie(rhs.offset, rhs.index, rhs.type, rhs.size, rhs.is_bindless);
}
private:
u64 offset{};
std::size_t index{};
Tegra::Shader::ImageType type{};
bool is_bindless{};
bool is_read{};
bool is_written{};
bool is_read{};
std::optional<Tegra::Shader::ImageAtomicSize> size{};
};
struct GlobalMemoryBase {

10
src/video_core/shader/shader_ir.h
View file

@ -272,10 +272,16 @@ private:
bool is_shadow);
/// Accesses an image.
Image& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type);
Image& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size = {});
/// Access a bindless image sampler.
Image& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type);
Image& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size = {});
/// Tries to access an existing image, updating it's state as needed
Image* TryUseExistingImage(u64 offset, Tegra::Shader::ImageType type,
std::optional<Tegra::Shader::ImageAtomicSize> size);
/// Extracts a sequence of bits from a node
Node BitfieldExtract(Node value, u32 offset, u32 bits);