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shader/image: Implement SULD and remove irrelevant code

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* Implement SULD as float.
* Remove conditional declaration of GL_ARB_shader_viewport_layer_array.
This commit is contained in:
ReinUsesLisp 2019-09-18 01:07:01 -03:00
parent 4de0f1e1c8
commit 675f23aedc
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GPG Key ID: 2DFC508897B39CFE
10 changed files with 110 additions and 47 deletions
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2
src/video_core/engines/shader_bytecode.h
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@ -1427,7 +1427,7 @@ union Instruction {
ASSERT(mode == SurfaceDataMode::D_BA);
return store_data_layout;
}
} sust;
} suldst;
union {
BitField<28, 1, u64> is_ba;

22
src/video_core/renderer_opengl/gl_device.cpp
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@ -2,8 +2,10 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <cstddef>
#include <vector>
#include <glad/glad.h>
#include "common/logging/log.h"
@ -30,9 +32,27 @@ bool TestProgram(const GLchar* glsl) {
return link_status == GL_TRUE;
}
std::vector<std::string_view> GetExtensions() {
GLint num_extensions;
glGetIntegerv(GL_NUM_EXTENSIONS, &num_extensions);
std::vector<std::string_view> extensions;
extensions.reserve(num_extensions);
for (GLint index = 0; index < num_extensions; ++index) {
extensions.push_back(
reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, static_cast<GLuint>(index))));
}
return extensions;
}
bool HasExtension(const std::vector<std::string_view>& images, std::string_view extension) {
return std::find(images.begin(), images.end(), extension) != images.end();
}
} // Anonymous namespace
Device::Device() {
const std::vector extensions = GetExtensions();
uniform_buffer_alignment = GetInteger<std::size_t>(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT);
shader_storage_alignment = GetInteger<std::size_t>(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT);
max_vertex_attributes = GetInteger<u32>(GL_MAX_VERTEX_ATTRIBS);
@ -40,6 +60,7 @@ Device::Device() {
has_warp_intrinsics = GLAD_GL_NV_gpu_shader5 && GLAD_GL_NV_shader_thread_group &&
GLAD_GL_NV_shader_thread_shuffle;
has_vertex_viewport_layer = GLAD_GL_ARB_shader_viewport_layer_array;
has_image_load_formatted = HasExtension(extensions, "GL_EXT_shader_image_load_formatted");
has_variable_aoffi = TestVariableAoffi();
has_component_indexing_bug = TestComponentIndexingBug();
has_precise_bug = TestPreciseBug();
@ -55,6 +76,7 @@ Device::Device(std::nullptr_t) {
max_varyings = 15;
has_warp_intrinsics = true;
has_vertex_viewport_layer = true;
has_image_load_formatted = true;
has_variable_aoffi = true;
has_component_indexing_bug = false;
has_precise_bug = false;

5
src/video_core/renderer_opengl/gl_device.h
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@ -38,6 +38,10 @@ public:
return has_vertex_viewport_layer;
}
bool HasImageLoadFormatted() const {
return has_image_load_formatted;
}
bool HasVariableAoffi() const {
return has_variable_aoffi;
}
@ -61,6 +65,7 @@ private:
u32 max_varyings{};
bool has_warp_intrinsics{};
bool has_vertex_viewport_layer{};
bool has_image_load_formatted{};
bool has_variable_aoffi{};
bool has_component_indexing_bug{};
bool has_precise_bug{};

16
src/video_core/renderer_opengl/gl_shader_cache.cpp
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@ -211,14 +211,14 @@ CachedProgram SpecializeShader(const std::string& code, const GLShader::ShaderEn
const auto primitive_mode{variant.primitive_mode};
const auto texture_buffer_usage{variant.texture_buffer_usage};
std::string source = "#version 430 core\n"
"#extension GL_ARB_separate_shader_objects : enable\n"
"#extension GL_NV_gpu_shader5 : enable\n"
"#extension GL_NV_shader_thread_group : enable\n"
"#extension GL_NV_shader_thread_shuffle : enable\n";
if (entries.shader_viewport_layer_array) {
source += "#extension GL_ARB_shader_viewport_layer_array : enable\n";
}
std::string source = R"(#version 430 core
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shader_viewport_layer_array : enable
#extension GL_EXT_shader_image_load_formatted : enable
#extension GL_NV_gpu_shader5 : enable
#extension GL_NV_shader_thread_group : enable
#extension GL_NV_shader_thread_shuffle : enable
)";
if (program_type == ProgramType::Compute) {
source += "#extension GL_ARB_compute_variable_group_size : require\n";
}

17
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -19,6 +19,7 @@
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
#include "video_core/shader/node.h"
#include "video_core/shader/shader_ir.h"
namespace OpenGL::GLShader {
@ -398,8 +399,6 @@ public:
usage.is_read, usage.is_written);
}
entries.clip_distances = ir.GetClipDistances();
entries.shader_viewport_layer_array =
IsVertexShader(stage) && (ir.UsesLayer() || ir.UsesViewportIndex());
entries.shader_length = ir.GetLength();
return entries;
}
@ -1801,6 +1800,19 @@ private:
return {tmp, Type::Float};
}
Expression ImageLoad(Operation operation) {
if (!device.HasImageLoadFormatted()) {
LOG_ERROR(Render_OpenGL,
"Device lacks GL_EXT_shader_image_load_formatted, stubbing image load");
return {"0", Type::Int};
}
const auto meta{std::get<MetaImage>(operation.GetMeta())};
return {fmt::format("imageLoad({}, {}){}", GetImage(meta.image),
BuildIntegerCoordinates(operation), GetSwizzle(meta.element)),
Type::Float};
}
Expression ImageStore(Operation operation) {
const auto meta{std::get<MetaImage>(operation.GetMeta())};
code.AddLine("imageStore({}, {}, {});", GetImage(meta.image),
@ -2164,6 +2176,7 @@ private:
&GLSLDecompiler::TextureQueryLod,
&GLSLDecompiler::TexelFetch,
&GLSLDecompiler::ImageLoad,
&GLSLDecompiler::ImageStore,
&GLSLDecompiler::AtomicImageAdd,
&GLSLDecompiler::AtomicImageMin,

1
src/video_core/renderer_opengl/gl_shader_decompiler.h
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@ -90,7 +90,6 @@ struct ShaderEntries {
std::vector<ImageEntry> images;
std::vector<GlobalMemoryEntry> global_memory_entries;
std::array<bool, Maxwell::NumClipDistances> clip_distances{};
bool shader_viewport_layer_array{};
std::size_t shader_length{};
};

10
src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
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@ -382,12 +382,6 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
}
}
bool shader_viewport_layer_array{};
if (!LoadObjectFromPrecompiled(shader_viewport_layer_array)) {
return {};
}
entry.entries.shader_viewport_layer_array = shader_viewport_layer_array;
u64 shader_length{};
if (!LoadObjectFromPrecompiled(shader_length)) {
return {};
@ -464,10 +458,6 @@ bool ShaderDiskCacheOpenGL::SaveDecompiledFile(u64 unique_identifier, const std:
}
}
if (!SaveObjectToPrecompiled(entries.shader_viewport_layer_array)) {
return false;
}
if (!SaveObjectToPrecompiled(static_cast<u64>(entries.shader_length))) {
return false;
}

7
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -19,6 +19,7 @@
#include "video_core/engines/shader_header.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_shader_decompiler.h"
#include "video_core/shader/node.h"
#include "video_core/shader/shader_ir.h"
namespace Vulkan::VKShader {
@ -939,6 +940,11 @@ private:
return {};
}
Id ImageLoad(Operation operation) {
UNIMPLEMENTED();
return {};
}
Id ImageStore(Operation operation) {
UNIMPLEMENTED();
return {};
@ -1440,6 +1446,7 @@ private:
&SPIRVDecompiler::TextureQueryLod,
&SPIRVDecompiler::TexelFetch,
&SPIRVDecompiler::ImageLoad,
&SPIRVDecompiler::ImageStore,
&SPIRVDecompiler::AtomicImageAdd,
&SPIRVDecompiler::AtomicImageMin,

73
src/video_core/shader/decode/image.cpp
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@ -41,11 +41,46 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
const Instruction instr = {program_code[pc]};
const auto opcode = OpCode::Decode(instr);
const auto GetCoordinates = [this, instr](Tegra::Shader::ImageType image_type) {
std::vector<Node> coords;
const std::size_t num_coords{GetImageTypeNumCoordinates(image_type)};
coords.reserve(num_coords);
for (std::size_t i = 0; i < num_coords; ++i) {
coords.push_back(GetRegister(instr.gpr8.Value() + i));
}
return coords;
};
switch (opcode->get().GetId()) {
case OpCode::Id::SULD: {
UNIMPLEMENTED_IF(instr.suldst.mode != Tegra::Shader::SurfaceDataMode::P);
UNIMPLEMENTED_IF(instr.suldst.out_of_bounds_store !=
Tegra::Shader::OutOfBoundsStore::Ignore);
const auto type{instr.suldst.image_type};
auto& image{instr.suldst.is_immediate ? GetImage(instr.image, type)
: GetBindlessImage(instr.gpr39, type)};
image.MarkRead();
u32 indexer = 0;
for (u32 element = 0; element < 4; ++element) {
if (!instr.suldst.IsComponentEnabled(element)) {
continue;
}
MetaImage meta{image, {}, element};
Node value = Operation(OperationCode::ImageLoad, meta, GetCoordinates(type));
SetTemporary(bb, indexer++, std::move(value));
}
for (u32 i = 0; i < indexer; ++i) {
SetRegister(bb, instr.gpr0.Value() + i, GetTemporary(i));
}
break;
}
case OpCode::Id::SUST: {
UNIMPLEMENTED_IF(instr.sust.mode != Tegra::Shader::SurfaceDataMode::P);
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
UNIMPLEMENTED_IF(instr.suldst.mode != Tegra::Shader::SurfaceDataMode::P);
UNIMPLEMENTED_IF(instr.suldst.out_of_bounds_store !=
Tegra::Shader::OutOfBoundsStore::Ignore);
UNIMPLEMENTED_IF(instr.suldst.component_mask_selector != 0xf); // Ensure we have RGBA
std::vector<Node> values;
constexpr std::size_t hardcoded_size{4};
@ -53,32 +88,18 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
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));
}
const auto type{instr.sust.image_type};
auto& image{instr.sust.is_immediate ? GetImage(instr.image, type)
: GetBindlessImage(instr.gpr39, type)};
const auto type{instr.suldst.image_type};
auto& image{instr.suldst.is_immediate ? GetImage(instr.image, type)
: GetBindlessImage(instr.gpr39, type)};
image.MarkWrite();
MetaImage meta{image, values};
bb.push_back(Operation(OperationCode::ImageStore, meta, std::move(coords)));
MetaImage meta{image, std::move(values)};
bb.push_back(Operation(OperationCode::ImageStore, meta, GetCoordinates(type)));
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:
@ -102,9 +123,13 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
}
}();
const auto& image{GetImage(instr.image, instr.suatom_d.image_type, instr.suatom_d.size)};
Node value = GetRegister(instr.gpr0);
const auto type = instr.suatom_d.image_type;
const auto& image{GetImage(instr.image, type, instr.suatom_d.size)};
MetaImage meta{image, {std::move(value)}};
SetRegister(bb, instr.gpr0, Operation(operation_code, meta, std::move(coords)));
SetRegister(bb, instr.gpr0, Operation(operation_code, meta, GetCoordinates(type)));
break;
}
default:

4
src/video_core/shader/node.h
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@ -149,7 +149,8 @@ enum class OperationCode {
TextureQueryLod, /// (MetaTexture, float[N] coords) -> float4
TexelFetch, /// (MetaTexture, int[N], int) -> float4
ImageStore, /// (MetaImage, int[N] values) -> void
ImageLoad, /// (MetaImage, int[N] coords) -> void
ImageStore, /// (MetaImage, int[N] coords) -> void
AtomicImageAdd, /// (MetaImage, int[N] coords) -> void
AtomicImageMin, /// (MetaImage, int[N] coords) -> void
AtomicImageMax, /// (MetaImage, int[N] coords) -> void
@ -402,6 +403,7 @@ struct MetaTexture {
struct MetaImage {
const Image& image;
std::vector<Node> values;
u32 element{};
};
/// Parameters that modify an operation but are not part of any particular operand