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-rw-r--r--src/video_core/shader/decode.cpp1
-rw-r--r--src/video_core/shader/decode/image.cpp89
-rw-r--r--src/video_core/shader/node.h42
-rw-r--r--src/video_core/shader/shader_ir.h9
4 files changed, 140 insertions, 1 deletions
diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp
index a0554c97e..2c9ff28f2 100644
--- a/src/video_core/shader/decode.cpp
+++ b/src/video_core/shader/decode.cpp
@@ -169,6 +169,7 @@ u32 ShaderIR::DecodeInstr(NodeBlock& bb, u32 pc) {
{OpCode::Type::Conversion, &ShaderIR::DecodeConversion},
{OpCode::Type::Memory, &ShaderIR::DecodeMemory},
{OpCode::Type::Texture, &ShaderIR::DecodeTexture},
+ {OpCode::Type::Image, &ShaderIR::DecodeImage},
{OpCode::Type::FloatSetPredicate, &ShaderIR::DecodeFloatSetPredicate},
{OpCode::Type::IntegerSetPredicate, &ShaderIR::DecodeIntegerSetPredicate},
{OpCode::Type::HalfSetPredicate, &ShaderIR::DecodeHalfSetPredicate},
diff --git a/src/video_core/shader/decode/image.cpp b/src/video_core/shader/decode/image.cpp
new file mode 100644
index 000000000..66fdf5714
--- /dev/null
+++ b/src/video_core/shader/decode/image.cpp
@@ -0,0 +1,89 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+namespace {
+std::size_t GetImageTypeNumCoordinates(Tegra::Shader::ImageType image_type) {
+ switch (image_type) {
+ case Tegra::Shader::ImageType::Texture1D:
+ case Tegra::Shader::ImageType::TextureBuffer:
+ return 1;
+ case Tegra::Shader::ImageType::Texture1DArray:
+ case Tegra::Shader::ImageType::Texture2D:
+ return 2;
+ case Tegra::Shader::ImageType::Texture2DArray:
+ case Tegra::Shader::ImageType::Texture3D:
+ return 3;
+ }
+ UNREACHABLE();
+ return 1;
+}
+} // Anonymous namespace
+
+u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
+ const Instruction instr = {program_code[pc]};
+ const auto opcode = OpCode::Decode(instr);
+
+ 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
+
+ std::vector<Node> values;
+ constexpr std::size_t hardcoded_size{4};
+ for (std::size_t i = 0; i < hardcoded_size; ++i) {
+ values.push_back(GetRegister(instr.gpr0.Value() + i));
+ }
+
+ 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));
+ }
+
+ ASSERT(instr.sust.is_immediate);
+ const auto& image{GetImage(instr.image, instr.sust.image_type)};
+ MetaImage meta{image, values};
+ const Node store{Operation(OperationCode::ImageStore, meta, std::move(coords))};
+ bb.push_back(store);
+ break;
+ }
+ default:
+ UNIMPLEMENTED_MSG("Unhandled conversion instruction: {}", opcode->get().GetName());
+ }
+
+ return pc;
+}
+
+const Image& ShaderIR::GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type) {
+ const auto offset{static_cast<std::size_t>(image.index.Value())};
+
+ // If this image has already been used, return the existing mapping.
+ const auto itr{std::find_if(used_images.begin(), used_images.end(),
+ [=](const Image& entry) { return entry.GetOffset() == offset; })};
+ if (itr != used_images.end()) {
+ ASSERT(itr->GetType() == type);
+ return *itr;
+ }
+
+ // Otherwise create a new mapping for this image.
+ const std::size_t next_index{used_images.size()};
+ const Image entry{offset, next_index, type};
+ return *used_images.emplace(entry).first;
+}
+
+} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index 3cfb911bb..8b8d83ae7 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -146,6 +146,8 @@ enum class OperationCode {
TextureQueryLod, /// (MetaTexture, float[N] coords) -> float4
TexelFetch, /// (MetaTexture, int[N], int) -> float4
+ ImageStore, /// (MetaImage, float[N] coords) -> void
+
Branch, /// (uint branch_target) -> void
PushFlowStack, /// (uint branch_target) -> void
PopFlowStack, /// () -> void
@@ -263,6 +265,39 @@ private:
bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not.
};
+class Image {
+public:
+ explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type)
+ : offset{offset}, index{index}, type{type}, is_bindless{false} {}
+
+ std::size_t GetOffset() const {
+ return offset;
+ }
+
+ std::size_t GetIndex() const {
+ return index;
+ }
+
+ Tegra::Shader::ImageType GetType() const {
+ return type;
+ }
+
+ bool IsBindless() const {
+ return is_bindless;
+ }
+
+ bool operator<(const Image& rhs) const {
+ return std::tie(offset, index, type, is_bindless) <
+ std::tie(rhs.offset, rhs.index, rhs.type, rhs.is_bindless);
+ }
+
+private:
+ std::size_t offset{};
+ std::size_t index{};
+ Tegra::Shader::ImageType type{};
+ bool is_bindless{};
+};
+
struct GlobalMemoryBase {
u32 cbuf_index{};
u32 cbuf_offset{};
@@ -289,8 +324,13 @@ struct MetaTexture {
u32 element{};
};
+struct MetaImage {
+ const Image& image;
+ std::vector<Node> values;
+};
+
/// Parameters that modify an operation but are not part of any particular operand
-using Meta = std::variant<MetaArithmetic, MetaTexture, MetaStackClass, Tegra::Shader::HalfType>;
+using Meta = std::variant<MetaArithmetic, MetaTexture, MetaImage, MetaStackClass, Tegra::Shader::HalfType>;
/// Holds any kind of operation that can be done in the IR
class OperationNode final {
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index 1b84c0672..c7f264371 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -104,6 +104,10 @@ public:
return used_samplers;
}
+ const std::set<Image>& GetImages() const {
+ return used_images;
+ }
+
const std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances>& GetClipDistances()
const {
return used_clip_distances;
@@ -154,6 +158,7 @@ private:
u32 DecodeConversion(NodeBlock& bb, u32 pc);
u32 DecodeMemory(NodeBlock& bb, u32 pc);
u32 DecodeTexture(NodeBlock& bb, u32 pc);
+ u32 DecodeImage(NodeBlock& bb, u32 pc);
u32 DecodeFloatSetPredicate(NodeBlock& bb, u32 pc);
u32 DecodeIntegerSetPredicate(NodeBlock& bb, u32 pc);
u32 DecodeHalfSetPredicate(NodeBlock& bb, u32 pc);
@@ -254,6 +259,9 @@ private:
Tegra::Shader::TextureType type, bool is_array,
bool is_shadow);
+ /// Accesses an image.
+ const Image& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type);
+
/// Extracts a sequence of bits from a node
Node BitfieldExtract(Node value, u32 offset, u32 bits);
@@ -329,6 +337,7 @@ private:
std::set<Tegra::Shader::Attribute::Index> used_output_attributes;
std::map<u32, ConstBuffer> used_cbufs;
std::set<Sampler> used_samplers;
+ std::set<Image> used_images;
std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{};
std::map<GlobalMemoryBase, GlobalMemoryUsage> used_global_memory;
bool uses_physical_attributes{}; // Shader uses AL2P or physical attribute read/writes
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-12 22:03:56 +0200