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spirv: Support OpenGL uniform buffers and change bindings

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This commit is contained in:
ReinUsesLisp 2021-05-23 03:58:11 -03:00 committed by ameerj
parent d5d6778ba5
commit 48a17298d7
6 changed files with 168 additions and 58 deletions
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102
src/shader_recompiler/backend/spirv/emit_context.cpp
View file

@ -441,8 +441,13 @@ void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_vie
}
}
EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& binding)
EmitContext::EmitContext(const Profile& profile_, IR::Program& program, Bindings& binding)
: Sirit::Module(profile_.supported_spirv), profile{profile_}, stage{program.stage} {
const bool is_unified{profile.unified_descriptor_binding};
u32& uniform_binding{is_unified ? binding.unified : binding.uniform_buffer};
u32& storage_binding{is_unified ? binding.unified : binding.storage_buffer};
u32& texture_binding{is_unified ? binding.unified : binding.texture};
u32& image_binding{is_unified ? binding.unified : binding.image};
AddCapability(spv::Capability::Shader);
DefineCommonTypes(program.info);
DefineCommonConstants();
@ -450,12 +455,12 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin
DefineLocalMemory(program);
DefineSharedMemory(program);
DefineSharedMemoryFunctions(program);
DefineConstantBuffers(program.info, binding);
DefineStorageBuffers(program.info, binding);
DefineTextureBuffers(program.info, binding);
DefineImageBuffers(program.info, binding);
DefineTextures(program.info, binding);
DefineImages(program.info, binding);
DefineConstantBuffers(program.info, uniform_binding);
DefineStorageBuffers(program.info, storage_binding);
DefineTextureBuffers(program.info, texture_binding);
DefineImageBuffers(program.info, image_binding);
DefineTextures(program.info, texture_binding);
DefineImages(program.info, image_binding);
DefineAttributeMemAccess(program.info);
DefineGlobalMemoryFunctions(program.info);
DefineLabels(program);
@ -489,6 +494,20 @@ Id EmitContext::Def(const IR::Value& value) {
}
}
Id EmitContext::BitOffset8(const IR::Value& offset) {
if (offset.IsImmediate()) {
return Const((offset.U32() % 4) * 8);
}
return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(24u));
}
Id EmitContext::BitOffset16(const IR::Value& offset) {
if (offset.IsImmediate()) {
return Const(((offset.U32() / 2) % 2) * 16);
}
return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(16u));
}
void EmitContext::DefineCommonTypes(const Info& info) {
void_id = TypeVoid();
@ -496,6 +515,7 @@ void EmitContext::DefineCommonTypes(const Info& info) {
F32.Define(*this, TypeFloat(32), "f32");
U32.Define(*this, TypeInt(32, false), "u32");
S32.Define(*this, TypeInt(32, true), "s32");
private_u32 = Name(TypePointer(spv::StorageClass::Private, U32[1]), "private_u32");
@ -889,28 +909,36 @@ void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
if (info.constant_buffer_descriptors.empty()) {
return;
}
if (True(info.used_constant_buffer_types & IR::Type::U8)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8));
DefineConstBuffers(*this, info, &UniformDefinitions::S8, binding, S8, 's', sizeof(s8));
}
if (True(info.used_constant_buffer_types & IR::Type::U16)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U16, binding, U16, 'u', sizeof(u16));
DefineConstBuffers(*this, info, &UniformDefinitions::S16, binding, S16, 's', sizeof(s16));
}
if (True(info.used_constant_buffer_types & IR::Type::U32)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U32, binding, U32[1], 'u',
sizeof(u32));
}
if (True(info.used_constant_buffer_types & IR::Type::F32)) {
DefineConstBuffers(*this, info, &UniformDefinitions::F32, binding, F32[1], 'f',
sizeof(f32));
}
if (True(info.used_constant_buffer_types & IR::Type::U32x2)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U32x2, binding, U32[2], 'u',
sizeof(u32[2]));
}
for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
binding += desc.count;
if (profile.support_descriptor_aliasing) {
if (True(info.used_constant_buffer_types & IR::Type::U8)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8));
DefineConstBuffers(*this, info, &UniformDefinitions::S8, binding, S8, 's', sizeof(s8));
}
if (True(info.used_constant_buffer_types & IR::Type::U16)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U16, binding, U16, 'u',
sizeof(u16));
DefineConstBuffers(*this, info, &UniformDefinitions::S16, binding, S16, 's',
sizeof(s16));
}
if (True(info.used_constant_buffer_types & IR::Type::U32)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U32, binding, U32[1], 'u',
sizeof(u32));
}
if (True(info.used_constant_buffer_types & IR::Type::F32)) {
DefineConstBuffers(*this, info, &UniformDefinitions::F32, binding, F32[1], 'f',
sizeof(f32));
}
if (True(info.used_constant_buffer_types & IR::Type::U32x2)) {
DefineConstBuffers(*this, info, &UniformDefinitions::U32x2, binding, U32[2], 'u',
sizeof(u32[2]));
}
binding += static_cast<u32>(info.constant_buffer_descriptors.size());
} else {
DefineConstBuffers(*this, info, &UniformDefinitions::U32x4, binding, U32[4], 'u',
sizeof(u32[4]));
for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
binding += desc.count;
}
}
}
@ -920,35 +948,37 @@ void EmitContext::DefineStorageBuffers(const Info& info, u32& binding) {
}
AddExtension("SPV_KHR_storage_buffer_storage_class");
if (True(info.used_storage_buffer_types & IR::Type::U8)) {
const IR::Type used_types{profile.support_descriptor_aliasing ? info.used_storage_buffer_types
: IR::Type::U32};
if (True(used_types & IR::Type::U8)) {
DefineSsbos(*this, storage_types.U8, &StorageDefinitions::U8, info, binding, U8,
sizeof(u8));
DefineSsbos(*this, storage_types.S8, &StorageDefinitions::S8, info, binding, S8,
sizeof(u8));
}
if (True(info.used_storage_buffer_types & IR::Type::U16)) {
if (True(used_types & IR::Type::U16)) {
DefineSsbos(*this, storage_types.U16, &StorageDefinitions::U16, info, binding, U16,
sizeof(u16));
DefineSsbos(*this, storage_types.S16, &StorageDefinitions::S16, info, binding, S16,
sizeof(u16));
}
if (True(info.used_storage_buffer_types & IR::Type::U32)) {
if (True(used_types & IR::Type::U32)) {
DefineSsbos(*this, storage_types.U32, &StorageDefinitions::U32, info, binding, U32[1],
sizeof(u32));
}
if (True(info.used_storage_buffer_types & IR::Type::F32)) {
if (True(used_types & IR::Type::F32)) {
DefineSsbos(*this, storage_types.F32, &StorageDefinitions::F32, info, binding, F32[1],
sizeof(f32));
}
if (True(info.used_storage_buffer_types & IR::Type::U64)) {
if (True(used_types & IR::Type::U64)) {
DefineSsbos(*this, storage_types.U64, &StorageDefinitions::U64, info, binding, U64,
sizeof(u64));
}
if (True(info.used_storage_buffer_types & IR::Type::U32x2)) {
if (True(used_types & IR::Type::U32x2)) {
DefineSsbos(*this, storage_types.U32x2, &StorageDefinitions::U32x2, info, binding, U32[2],
sizeof(u32[2]));
}
if (True(info.used_storage_buffer_types & IR::Type::U32x4)) {
if (True(used_types & IR::Type::U32x4)) {
DefineSsbos(*this, storage_types.U32x4, &StorageDefinitions::U32x4, info, binding, U32[4],
sizeof(u32[4]));
}

15
src/shader_recompiler/backend/spirv/emit_context.h
View file

@ -17,6 +17,14 @@ namespace Shader::Backend::SPIRV {
using Sirit::Id;
struct Bindings {
u32 unified{};
u32 uniform_buffer{};
u32 storage_buffer{};
u32 texture{};
u32 image{};
};
class VectorTypes {
public:
void Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name);
@ -62,6 +70,7 @@ struct UniformDefinitions {
Id U32{};
Id F32{};
Id U32x2{};
Id U32x4{};
};
struct StorageTypeDefinition {
@ -101,11 +110,14 @@ struct GenericElementInfo {
class EmitContext final : public Sirit::Module {
public:
explicit EmitContext(const Profile& profile, IR::Program& program, u32& binding);
explicit EmitContext(const Profile& profile, IR::Program& program, Bindings& binding);
~EmitContext();
[[nodiscard]] Id Def(const IR::Value& value);
[[nodiscard]] Id BitOffset8(const IR::Value& offset);
[[nodiscard]] Id BitOffset16(const IR::Value& offset);
Id Const(u32 value) {
return Constant(U32[1], value);
}
@ -139,6 +151,7 @@ public:
Id U64{};
VectorTypes F32;
VectorTypes U32;
VectorTypes S32;
VectorTypes F16;
VectorTypes F64;

2
src/shader_recompiler/backend/spirv/emit_spirv.cpp
View file

@ -368,7 +368,7 @@ void PatchPhiNodes(IR::Program& program, EmitContext& ctx) {
}
} // Anonymous namespace
std::vector<u32> EmitSPIRV(const Profile& profile, IR::Program& program, u32& binding) {
std::vector<u32> EmitSPIRV(const Profile& profile, IR::Program& program, Bindings& binding) {
EmitContext ctx{profile, program, binding};
const Id main{DefineMain(ctx, program)};
DefineEntryPoint(program, ctx, main);

2
src/shader_recompiler/backend/spirv/emit_spirv.h
View file

@ -14,7 +14,7 @@
namespace Shader::Backend::SPIRV {
[[nodiscard]] std::vector<u32> EmitSPIRV(const Profile& profile, IR::Program& program,
u32& binding);
Bindings& binding);
// Microinstruction emitters
Id EmitPhi(EmitContext& ctx, IR::Inst* inst);

98
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View file

@ -121,7 +121,7 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
}
Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr, u32 element_size,
const IR::Value& binding, const IR::Value& offset) {
const IR::Value& binding, const IR::Value& offset, bool check_alignment = true) {
if (!binding.IsImmediate()) {
throw NotImplementedException("Constant buffer indexing");
}
@ -137,13 +137,31 @@ Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr,
const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, index)};
return ctx.OpLoad(result_type, access_chain);
}
if (offset.U32() % element_size != 0) {
if (check_alignment && offset.U32() % element_size != 0) {
throw NotImplementedException("Unaligned immediate constant buffer load");
}
const Id imm_offset{ctx.Const(offset.U32() / element_size)};
const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, imm_offset)};
return ctx.OpLoad(result_type, access_chain);
}
Id GetCbufU32x4(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return GetCbuf(ctx, ctx.U32[4], &UniformDefinitions::U32x4, sizeof(u32[4]), binding, offset,
false);
}
Id GetCbufElement(EmitContext& ctx, Id vector, const IR::Value& offset, u32 index_offset) {
if (offset.IsImmediate()) {
const u32 element{(offset.U32() / 4) % 4 + index_offset};
return ctx.OpCompositeExtract(ctx.U32[1], vector, element);
}
const Id shift{ctx.OpShiftRightArithmetic(ctx.U32[1], ctx.Def(offset), ctx.Const(2u))};
Id element{ctx.OpBitwiseAnd(ctx.U32[1], shift, ctx.Const(3u))};
if (index_offset > 0) {
element = ctx.OpIAdd(ctx.U32[1], element, ctx.Const(index_offset));
}
return ctx.OpVectorExtractDynamic(ctx.U32[1], vector, element);
}
} // Anonymous namespace
void EmitGetRegister(EmitContext&) {
@ -179,40 +197,86 @@ void EmitGetIndirectBranchVariable(EmitContext&) {
}
Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.U8, &UniformDefinitions::U8, sizeof(u8), binding, offset)};
return ctx.OpUConvert(ctx.U32[1], load);
if (ctx.profile.support_descriptor_aliasing) {
const Id load{GetCbuf(ctx, ctx.U8, &UniformDefinitions::U8, sizeof(u8), binding, offset)};
return ctx.OpUConvert(ctx.U32[1], load);
} else {
const Id vector{GetCbufU32x4(ctx, binding, offset)};
const Id element{GetCbufElement(ctx, vector, offset, 0u)};
const Id bit_offset{ctx.BitOffset8(offset)};
return ctx.OpBitFieldUExtract(ctx.U32[1], element, bit_offset, ctx.Const(8u));
}
}
Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.S8, &UniformDefinitions::S8, sizeof(s8), binding, offset)};
return ctx.OpSConvert(ctx.U32[1], load);
if (ctx.profile.support_descriptor_aliasing) {
const Id load{GetCbuf(ctx, ctx.S8, &UniformDefinitions::S8, sizeof(s8), binding, offset)};
return ctx.OpSConvert(ctx.U32[1], load);
} else {
const Id vector{GetCbufU32x4(ctx, binding, offset)};
const Id element{GetCbufElement(ctx, vector, offset, 0u)};
const Id bit_offset{ctx.BitOffset8(offset)};
return ctx.OpBitFieldSExtract(ctx.U32[1], element, bit_offset, ctx.Const(8u));
}
}
Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.U16, &UniformDefinitions::U16, sizeof(u16), binding, offset)};
return ctx.OpUConvert(ctx.U32[1], load);
if (ctx.profile.support_descriptor_aliasing) {
const Id load{
GetCbuf(ctx, ctx.U16, &UniformDefinitions::U16, sizeof(u16), binding, offset)};
return ctx.OpUConvert(ctx.U32[1], load);
} else {
const Id vector{GetCbufU32x4(ctx, binding, offset)};
const Id element{GetCbufElement(ctx, vector, offset, 0u)};
const Id bit_offset{ctx.BitOffset16(offset)};
return ctx.OpBitFieldUExtract(ctx.U32[1], element, bit_offset, ctx.Const(16u));
}
}
Id EmitGetCbufS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.S16, &UniformDefinitions::S16, sizeof(s16), binding, offset)};
return ctx.OpSConvert(ctx.U32[1], load);
if (ctx.profile.support_descriptor_aliasing) {
const Id load{
GetCbuf(ctx, ctx.S16, &UniformDefinitions::S16, sizeof(s16), binding, offset)};
return ctx.OpSConvert(ctx.U32[1], load);
} else {
const Id vector{GetCbufU32x4(ctx, binding, offset)};
const Id element{GetCbufElement(ctx, vector, offset, 0u)};
const Id bit_offset{ctx.BitOffset16(offset)};
return ctx.OpBitFieldSExtract(ctx.U32[1], element, bit_offset, ctx.Const(16u));
}
}
Id EmitGetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return GetCbuf(ctx, ctx.U32[1], &UniformDefinitions::U32, sizeof(u32), binding, offset);
if (ctx.profile.support_descriptor_aliasing) {
return GetCbuf(ctx, ctx.U32[1], &UniformDefinitions::U32, sizeof(u32), binding, offset);
} else {
const Id vector{GetCbufU32x4(ctx, binding, offset)};
return GetCbufElement(ctx, vector, offset, 0u);
}
}
Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return GetCbuf(ctx, ctx.F32[1], &UniformDefinitions::F32, sizeof(f32), binding, offset);
if (ctx.profile.support_descriptor_aliasing) {
return GetCbuf(ctx, ctx.F32[1], &UniformDefinitions::F32, sizeof(f32), binding, offset);
} else {
const Id vector{GetCbufU32x4(ctx, binding, offset)};
return ctx.OpBitcast(ctx.F32[1], GetCbufElement(ctx, vector, offset, 0u));
}
}
Id EmitGetCbufU32x2(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return GetCbuf(ctx, ctx.U32[2], &UniformDefinitions::U32x2, sizeof(u32[2]), binding, offset);
if (ctx.profile.support_descriptor_aliasing) {
return GetCbuf(ctx, ctx.U32[2], &UniformDefinitions::U32x2, sizeof(u32[2]), binding,
offset);
} else {
const Id vector{GetCbufU32x4(ctx, binding, offset)};
return ctx.OpCompositeConstruct(ctx.U32[2], GetCbufElement(ctx, vector, offset, 0u),
GetCbufElement(ctx, vector, offset, 1u));
}
}
Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
const u32 element{static_cast<u32>(attr) % 4};
const auto element_id{[&] { return ctx.Const(element); }};
if (IR::IsGeneric(attr)) {
const u32 index{IR::GenericAttributeIndex(attr)};
const std::optional<AttrInfo> type{AttrTypes(ctx, index)};
@ -221,7 +285,7 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
return ctx.Const(0.0f);
}
const Id generic_id{ctx.input_generics.at(index)};
const Id pointer{AttrPointer(ctx, type->pointer, vertex, generic_id, element_id())};
const Id pointer{AttrPointer(ctx, type->pointer, vertex, generic_id, ctx.Const(element))};
const Id value{ctx.OpLoad(type->id, pointer)};
return type->needs_cast ? ctx.OpBitcast(ctx.F32[1], value) : value;
}
@ -232,8 +296,8 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
case IR::Attribute::PositionY:
case IR::Attribute::PositionZ:
case IR::Attribute::PositionW:
return ctx.OpLoad(
ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, element_id()));
return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position,
ctx.Const(element)));
case IR::Attribute::InstanceId:
if (ctx.profile.support_vertex_instance_id) {
return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.instance_id));

7
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View file

@ -127,6 +127,7 @@ PipelineCache::PipelineCache(RasterizerVulkan& rasterizer_, Tegra::Engines::Maxw
base_profile = Shader::Profile{
.supported_spirv = device.IsKhrSpirv1_4Supported() ? 0x00010400U : 0x00010000U,
.unified_descriptor_binding = true,
.support_descriptor_aliasing = true,
.support_vertex_instance_id = false,
.support_float_controls = true,
.support_separate_denorm_behavior = float_control.denormBehaviorIndependence ==
@ -149,9 +150,11 @@ PipelineCache::PipelineCache(RasterizerVulkan& rasterizer_, Tegra::Engines::Maxw
device.IsExtShaderViewportIndexLayerSupported(),
.support_viewport_mask = device.IsNvViewportArray2Supported(),
.support_typeless_image_loads = device.IsFormatlessImageLoadSupported(),
.support_demote_to_helper_invocation = true,
.warp_size_potentially_larger_than_guest = device.IsWarpSizePotentiallyBiggerThanGuest(),
.support_int64_atomics = device.IsExtShaderAtomicInt64Supported(),
.has_broken_spirv_clamp = driver_id == VK_DRIVER_ID_INTEL_PROPRIETARY_WINDOWS_KHR,
.has_broken_unsigned_image_offsets = false,
.generic_input_types{},
.fixed_state_point_size{},
.alpha_test_func{},
@ -312,7 +315,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
std::array<const Shader::Info*, Maxwell::MaxShaderStage> infos{};
std::array<vk::ShaderModule, Maxwell::MaxShaderStage> modules;
u32 binding{0};
Shader::Backend::SPIRV::Bindings binding;
for (size_t index = uses_vertex_a && uses_vertex_b ? 1 : 0; index < Maxwell::MaxShaderProgram; ++index) {
if (key.unique_hashes[index] == 0) {
continue;
@ -398,7 +401,7 @@ std::unique_ptr<ComputePipeline> PipelineCache::CreateComputePipeline(
Shader::Maxwell::Flow::CFG cfg{env, pools.flow_block, env.StartAddress()};
Shader::IR::Program program{TranslateProgram(pools.inst, pools.block, env, cfg)};
u32 binding{0};
Shader::Backend::SPIRV::Bindings binding;
const std::vector<u32> code{EmitSPIRV(base_profile, program, binding)};
device.SaveShader(code);
vk::ShaderModule spv_module{BuildShader(device, code)};