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shader: Implement texture buffers

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This commit is contained in:
ReinUsesLisp 2021-04-06 02:56:15 -03:00 committed by ameerj
parent dcaf0e9150
commit 1f3eb601ac
10 changed files with 158 additions and 39 deletions
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29
src/shader_recompiler/backend/spirv/emit_context.cpp
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@ -46,6 +46,8 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
return ctx.TypeImage(type, spv::Dim::Cube, true, false, false, 1, format);
case TextureType::ShadowArrayCube:
return ctx.TypeImage(type, spv::Dim::Cube, true, true, false, 1, format);
case TextureType::Buffer:
break;
}
throw InvalidArgument("Invalid texture type {}", desc.type);
}
@ -129,6 +131,7 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin
DefineConstantBuffers(program.info, binding);
DefineStorageBuffers(program.info, binding);
DefineTextures(program.info, binding);
DefineTextureBuffers(program.info, binding);
DefineAttributeMemAccess(program.info);
DefineLabels(program);
}
@ -541,6 +544,32 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
}
}
void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
if (info.texture_buffer_descriptors.empty()) {
return;
}
const spv::ImageFormat format{spv::ImageFormat::Unknown};
image_buffer_type = TypeImage(F32[1], spv::Dim::Buffer, 0U, false, false, 1, format);
sampled_texture_buffer_type = TypeSampledImage(image_buffer_type);
const Id type{TypePointer(spv::StorageClass::UniformConstant, sampled_texture_buffer_type)};
texture_buffers.reserve(info.texture_buffer_descriptors.size());
for (const TextureBufferDescriptor& desc : info.texture_buffer_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of texture buffers");
}
const Id id{AddGlobalVariable(type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("texbuf{}_{:02x}", desc.cbuf_index, desc.cbuf_offset));
texture_buffers.insert(texture_buffers.end(), desc.count, id);
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);
}
binding += desc.count;
}
}
void EmitContext::DefineLabels(IR::Program& program) {
for (IR::Block* const block : program.blocks) {
block->SetDefinition(OpLabel());

5
src/shader_recompiler/backend/spirv/emit_context.h
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@ -90,9 +90,13 @@ public:
Id storage_u32{};
Id image_buffer_type{};
Id sampled_texture_buffer_type{};
std::array<UniformDefinitions, Info::MAX_CBUFS> cbufs{};
std::array<Id, Info::MAX_SSBOS> ssbos{};
std::vector<TextureDefinition> textures;
std::vector<Id> texture_buffers;
Id workgroup_id{};
Id local_invocation_id{};
@ -151,6 +155,7 @@ private:
void DefineConstantBuffers(const Info& info, u32& binding);
void DefineStorageBuffers(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding);
void DefineTextureBuffers(const Info& info, u32& binding);
void DefineAttributeMemAccess(const Info& info);
void DefineLabels(IR::Program& program);

1
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -249,6 +249,7 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
// TODO: Track this usage
ctx.AddCapability(spv::Capability::ImageGatherExtended);
ctx.AddCapability(spv::Capability::ImageQuery);
ctx.AddCapability(spv::Capability::SampledBuffer);
}
Id PhiArgDef(EmitContext& ctx, IR::Inst* inst, size_t index) {

24
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -128,12 +128,18 @@ Id Texture(EmitContext& ctx, const IR::Value& index) {
throw NotImplementedException("Indirect texture sample");
}
Id TextureImage(EmitContext& ctx, const IR::Value& index) {
if (index.IsImmediate()) {
Id TextureImage(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
if (!index.IsImmediate()) {
throw NotImplementedException("Indirect texture sample");
}
if (info.type == TextureType::Buffer) {
const Id sampler_id{ctx.texture_buffers.at(index.U32())};
const Id id{ctx.OpLoad(ctx.sampled_texture_buffer_type, sampler_id)};
return ctx.OpImage(ctx.image_buffer_type, id);
} else {
const TextureDefinition def{ctx.textures.at(index.U32())};
return ctx.OpImage(def.image_type, ctx.OpLoad(def.sampled_type, def.id));
}
throw NotImplementedException("Indirect texture sample");
}
Id Decorate(EmitContext& ctx, IR::Inst* inst, Id sample) {
@ -297,17 +303,22 @@ Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
ctx.F32[4], Texture(ctx, index), coords, dref, operands.Mask(), operands.Span());
}
#pragma optimize("", off)
Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
Id lod, Id ms) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
if (info.type == TextureType::Buffer) {
lod = Id{};
}
const ImageOperands operands(offset, lod, ms);
return Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst, ctx.F32[4],
TextureImage(ctx, index), coords, operands.Mask(), operands.Span());
TextureImage(ctx, index, info), coords, operands.Mask(), operands.Span());
}
Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const Id image{TextureImage(ctx, index)};
const Id image{TextureImage(ctx, index, info)};
const Id zero{ctx.u32_zero_value};
const auto mips{[&] { return ctx.OpImageQueryLevels(ctx.U32[1], image); }};
switch (info.type) {
@ -331,6 +342,9 @@ Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& i
case TextureType::ShadowArrayCube:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[3], image, lod),
mips());
case TextureType::Buffer:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySize(ctx.U32[1], image), zero,
zero, mips());
}
throw LogicError("Unspecified image type {}", info.type.Value());
}

88
src/shader_recompiler/ir_opt/texture_pass.cpp
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@ -147,24 +147,39 @@ TextureInst MakeInst(Environment& env, IR::Block* block, IR::Inst& inst) {
class Descriptors {
public:
explicit Descriptors(TextureDescriptors& descriptors_) : descriptors{descriptors_} {}
explicit Descriptors(TextureDescriptors& texture_descriptors_,
TextureBufferDescriptors& texture_buffer_descriptors_)
: texture_descriptors{texture_descriptors_}, texture_buffer_descriptors{
texture_buffer_descriptors_} {}
u32 Add(const TextureDescriptor& descriptor) {
// TODO: Handle arrays
auto it{std::ranges::find_if(descriptors, [&descriptor](const TextureDescriptor& existing) {
return descriptor.cbuf_index == existing.cbuf_index &&
descriptor.cbuf_offset == existing.cbuf_offset &&
descriptor.type == existing.type;
})};
if (it != descriptors.end()) {
return static_cast<u32>(std::distance(descriptors.begin(), it));
}
descriptors.push_back(descriptor);
return static_cast<u32>(descriptors.size()) - 1;
u32 Add(const TextureDescriptor& desc) {
return Add(texture_descriptors, desc, [&desc](const auto& existing) {
return desc.cbuf_index == existing.cbuf_index &&
desc.cbuf_offset == existing.cbuf_offset && desc.type == existing.type;
});
}
u32 Add(const TextureBufferDescriptor& desc) {
return Add(texture_buffer_descriptors, desc, [&desc](const auto& existing) {
return desc.cbuf_index == existing.cbuf_index &&
desc.cbuf_offset == existing.cbuf_offset;
});
}
private:
TextureDescriptors& descriptors;
template <typename Descriptors, typename Descriptor, typename Func>
static u32 Add(Descriptors& descriptors, const Descriptor& desc, Func&& pred) {
// TODO: Handle arrays
const auto it{std::ranges::find_if(descriptors, pred)};
if (it != descriptors.end()) {
return static_cast<u32>(std::distance(descriptors.begin(), it));
}
descriptors.push_back(desc);
return static_cast<u32>(descriptors.size()) - 1;
}
TextureDescriptors& texture_descriptors;
TextureBufferDescriptors& texture_buffer_descriptors;
};
} // Anonymous namespace
@ -185,7 +200,10 @@ void TexturePass(Environment& env, IR::Program& program) {
std::stable_sort(to_replace.begin(), to_replace.end(), [](const auto& lhs, const auto& rhs) {
return lhs.cbuf.index < rhs.cbuf.index;
});
Descriptors descriptors{program.info.texture_descriptors};
Descriptors descriptors{
program.info.texture_descriptors,
program.info.texture_buffer_descriptors,
};
for (TextureInst& texture_inst : to_replace) {
// TODO: Handle arrays
IR::Inst* const inst{texture_inst.inst};
@ -193,16 +211,42 @@ void TexturePass(Environment& env, IR::Program& program) {
const auto& cbuf{texture_inst.cbuf};
auto flags{inst->Flags<IR::TextureInstInfo>()};
if (inst->Opcode() == IR::Opcode::ImageQueryDimensions) {
switch (inst->Opcode()) {
case IR::Opcode::ImageQueryDimensions:
flags.type.Assign(env.ReadTextureType(cbuf.index, cbuf.offset));
inst->SetFlags(flags);
break;
case IR::Opcode::ImageFetch:
if (flags.type != TextureType::Color1D) {
break;
}
if (env.ReadTextureType(cbuf.index, cbuf.offset) == TextureType::Buffer) {
// Replace with the bound texture type only when it's a texture buffer
// If the instruction is 1D and the bound type is 2D, don't change the code and let
// the rasterizer robustness handle it
// This happens on Fire Emblem: Three Houses
flags.type.Assign(TextureType::Buffer);
}
inst->SetFlags(flags);
break;
default:
break;
}
u32 index;
if (flags.type == TextureType::Buffer) {
index = descriptors.Add(TextureBufferDescriptor{
.cbuf_index{cbuf.index},
.cbuf_offset{cbuf.offset},
.count{1},
});
} else {
index = descriptors.Add(TextureDescriptor{
.type{flags.type},
.cbuf_index{cbuf.index},
.cbuf_offset{cbuf.offset},
.count{1},
});
}
const u32 index{descriptors.Add(TextureDescriptor{
.type{flags.type},
.cbuf_index{cbuf.index},
.cbuf_offset{cbuf.offset},
.count{1},
})};
inst->SetArg(0, IR::Value{index});
}
}

9
src/shader_recompiler/shader_info.h
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@ -29,6 +29,7 @@ enum class TextureType : u32 {
Shadow3D,
ShadowCube,
ShadowArrayCube,
Buffer,
};
enum class Interpolation {
@ -50,6 +51,13 @@ struct TextureDescriptor {
};
using TextureDescriptors = boost::container::small_vector<TextureDescriptor, 12>;
struct TextureBufferDescriptor {
u32 cbuf_index;
u32 cbuf_offset;
u32 count;
};
using TextureBufferDescriptors = boost::container::small_vector<TextureBufferDescriptor, 2>;
struct ConstantBufferDescriptor {
u32 index;
u32 count;
@ -112,6 +120,7 @@ struct Info {
constant_buffer_descriptors;
boost::container::static_vector<StorageBufferDescriptor, MAX_SSBOS> storage_buffers_descriptors;
TextureDescriptors texture_descriptors;
TextureBufferDescriptors texture_buffer_descriptors;
};
} // namespace Shader

10
src/video_core/renderer_vulkan/pipeline_helper.h
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@ -93,6 +93,9 @@ public:
for ([[maybe_unused]] const auto& desc : info.texture_descriptors) {
Add(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, stage);
}
for (const auto& desc : info.texture_buffer_descriptors) {
Add(VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, stage);
}
}
private:
@ -146,6 +149,8 @@ inline VideoCommon::ImageViewType CastType(Shader::TextureType type) {
case Shader::TextureType::ColorArrayCube:
case Shader::TextureType::ShadowArrayCube:
return VideoCommon::ImageViewType::CubeArray;
case Shader::TextureType::Buffer:
break;
}
UNREACHABLE_MSG("Invalid texture type {}", type);
return {};
@ -161,6 +166,11 @@ inline void PushImageDescriptors(const Shader::Info& info, const VkSampler* samp
update_descriptor_queue.AddSampledImage(vk_image_view, sampler);
++index;
}
for (const auto& desc : info.texture_buffer_descriptors) {
ImageView& image_view{texture_cache.GetImageView(image_view_ids[index])};
update_descriptor_queue.AddTexelBuffer(image_view.BufferView());
++index;
}
}
} // namespace Vulkan

15
src/video_core/renderer_vulkan/vk_compute_pipeline.cpp
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@ -93,20 +93,23 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
const auto& launch_desc{kepler_compute.launch_description};
const auto& cbufs{launch_desc.const_buffer_config};
const bool via_header_index{launch_desc.linked_tsc};
for (const auto& desc : info.texture_descriptors) {
const u32 cbuf_index{desc.cbuf_index};
const u32 cbuf_offset{desc.cbuf_offset};
const auto read_handle{[&](u32 cbuf_index, u32 cbuf_offset) {
ASSERT(((launch_desc.const_buffer_enable_mask >> cbuf_index) & 1) != 0);
const GPUVAddr addr{cbufs[cbuf_index].Address() + cbuf_offset};
const u32 raw_handle{gpu_memory.Read<u32>(addr)};
const TextureHandle handle(raw_handle, via_header_index);
return TextureHandle(raw_handle, via_header_index);
}};
for (const auto& desc : info.texture_descriptors) {
const TextureHandle handle{read_handle(desc.cbuf_index, desc.cbuf_offset)};
image_view_indices.push_back(handle.image);
Sampler* const sampler = texture_cache.GetComputeSampler(handle.sampler);
samplers.push_back(sampler->Handle());
}
for (const auto& desc : info.texture_buffer_descriptors) {
const TextureHandle handle{read_handle(desc.cbuf_index, desc.cbuf_offset)};
image_view_indices.push_back(handle.image);
}
const std::span indices_span(image_view_indices.data(), image_view_indices.size());
texture_cache.FillComputeImageViews(indices_span, image_view_ids);

14
src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
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@ -169,19 +169,23 @@ void GraphicsPipeline::Configure(bool is_indexed) {
++index;
}
const auto& cbufs{maxwell3d.state.shader_stages[stage].const_buffers};
for (const auto& desc : info.texture_descriptors) {
const u32 cbuf_index{desc.cbuf_index};
const u32 cbuf_offset{desc.cbuf_offset};
const auto read_handle{[&](u32 cbuf_index, u32 cbuf_offset) {
ASSERT(cbufs[cbuf_index].enabled);
const GPUVAddr addr{cbufs[cbuf_index].address + cbuf_offset};
const u32 raw_handle{gpu_memory.Read<u32>(addr)};
const TextureHandle handle(raw_handle, via_header_index);
return TextureHandle(raw_handle, via_header_index);
}};
for (const auto& desc : info.texture_descriptors) {
const TextureHandle handle{read_handle(desc.cbuf_index, desc.cbuf_offset)};
image_view_indices.push_back(handle.image);
Sampler* const sampler{texture_cache.GetGraphicsSampler(handle.sampler)};
samplers.push_back(sampler->Handle());
}
for (const auto& desc : info.texture_buffer_descriptors) {
const TextureHandle handle{read_handle(desc.cbuf_index, desc.cbuf_offset)};
image_view_indices.push_back(handle.image);
}
}
const std::span indices_span(image_view_indices.data(), image_view_indices.size());
buffer_cache.UpdateGraphicsBuffers(is_indexed);

2
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View File

@ -212,7 +212,7 @@ protected:
case Tegra::Texture::TextureType::Texture2DArray:
return Shader::TextureType::ColorArray2D;
case Tegra::Texture::TextureType::Texture1DBuffer:
throw Shader::NotImplementedException("Texture buffer");
return Shader::TextureType::Buffer;
case Tegra::Texture::TextureType::TextureCubeArray:
return Shader::TextureType::ColorArrayCube;
default: