got it ok

Signed-off-by: lizzie <lizzie@eden-emu.dev>

src/audio_core/renderer/command/data_source/decode.cpp

@@ -18,20 +18,15 @@
 namespace AudioCore::Renderer {
 
 constexpr u32 TempBufferSize = 0x3F00;
-constexpr std::array<u8, 3> PitchBySrcQuality = {4, 8, 4};
 
-/**
- * Decode PCM data. Only s16 or f32 is supported.
- *
- * @tparam T         - Type to decode. Only s16 and f32 are supported.
- * @param memory     - Core memory for reading samples.
- * @param out_buffer - Output mix buffer to receive the samples.
- * @param req        - Information for how to decode.
- * @return Number of samples decoded.
- */
+/// @brief Decode PCM data. Only s16 or f32 is supported.
+/// @tparam T         - Type to decode. Only s16 and f32 are supported.
+/// @param memory     - Core memory for reading samples.
+/// @param out_buffer - Output mix buffer to receive the samples.
+/// @param req        - Information for how to decode.
+/// @return Number of samples decoded.
 template <typename T>
-static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
-                     const DecodeArg& req) {
+static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer, const DecodeArg& req) {
     constexpr s32 min{(std::numeric_limits<s16>::min)()};
     constexpr s32 max{(std::numeric_limits<s16>::max)()};
 
@@ -94,16 +89,12 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
     return samples_to_decode;
 }
 
-/**
- * Decode ADPCM data.
- *
- * @param memory     - Core memory for reading samples.
- * @param out_buffer - Output mix buffer to receive the samples.
- * @param req        - Information for how to decode.
- * @return Number of samples decoded.
- */
-static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
-                       const DecodeArg& req) {
+/// @brief Decode ADPCM data.
+/// @param memory     - Core memory for reading samples.
+/// @param out_buffer - Output mix buffer to receive the samples.
+/// @param req        - Information for how to decode.
+/// @return Number of samples decoded.
+static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer, const DecodeArg& req) {
     constexpr u32 SamplesPerFrame{14};
     constexpr u32 NibblesPerFrame{16};
 
@@ -115,8 +106,7 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         return 0;
     }
 
-    auto end{(req.end_offset % SamplesPerFrame) +
-             NibblesPerFrame * (req.end_offset / SamplesPerFrame)};
+    auto end{(req.end_offset % SamplesPerFrame) + NibblesPerFrame * (req.end_offset / SamplesPerFrame)};
     if (req.end_offset % SamplesPerFrame) {
         end += 3;
     } else {
@@ -133,52 +123,49 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         return 0;
     }
 
-    auto samples_to_read{samples_to_process};
-    auto samples_remaining_in_frame{start_pos % SamplesPerFrame};
-    auto position_in_frame{(start_pos / SamplesPerFrame) * NibblesPerFrame +
-                           samples_remaining_in_frame};
-
+    auto samples_to_read = samples_to_process;
+    auto samples_remaining_in_frame = start_pos % SamplesPerFrame;
+    auto position_in_frame = (start_pos / SamplesPerFrame) * NibblesPerFrame + samples_remaining_in_frame;
     if (samples_remaining_in_frame) {
         position_in_frame += 2;
     }
 
     const auto size{(std::max)((samples_to_process / 8U) * SamplesPerFrame, 8U)};
-    Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::UnsafeRead> wavebuffer(
-        memory, req.buffer + position_in_frame / 2, size);
+    Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::UnsafeRead> wavebuffer(memory, req.buffer + position_in_frame / 2, size);
 
-    auto context{req.adpcm_context};
-    auto header{context->header};
-    u8 coeff_index{static_cast<u8>((header >> 4U) & 0xFU)};
-    u8 scale{static_cast<u8>(header & 0xFU)};
-    s32 coeff0{req.coefficients[coeff_index * 2 + 0]};
-    s32 coeff1{req.coefficients[coeff_index * 2 + 1]};
+    auto context = req.adpcm_context;
+    auto header = context->header;
+    u8 scale = u8(header & 0xfU);
+    u8 coeff_index = u8((header >> 4U) & 0x7u);
+    s32 coeff0 = req.coefficients[coeff_index * 2 + 0];
+    s32 coeff1 = req.coefficients[coeff_index * 2 + 1];
 
-    auto yn0{context->yn0};
-    auto yn1{context->yn1};
-
-    static constexpr std::array<s32, 16> Steps{
-        0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1,
+    auto yn0 = context->yn0;
+    auto yn1 = context->yn1;
+    auto const get_step = [](u32 index) {
+        // Emulates the following table
+        // 0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1,
+        constexpr u64 steps_table = 0x1234567876543210ull;
+        constexpr u64 steps_sign = 0b1111111100000000ull;
+        auto const r = s32((steps_table >> (index * 4)) & 0xf);
+        return ((steps_sign >> index) & 1) == 0 ? -r : r;
     };
-
-    const auto decode_sample = [&](const s32 code) -> s16 {
+    auto const decode_sample = [&](const s32 code) -> s16 {
         const auto xn = code * (1 << scale);
         const auto prediction = coeff0 * yn0 + coeff1 * yn1;
         const auto sample = ((xn << 11) + 0x400 + prediction) >> 11;
         const auto saturated = std::clamp<s32>(sample, -0x8000, 0x7FFF);
         yn1 = yn0;
-        yn0 = static_cast<s16>(saturated);
-        return yn0;
+        return yn0 = s16(saturated);
     };
 
-    u32 read_index{0};
-    u32 write_index{0};
-
-    while (samples_to_read > 0) {
+    u32 read_index = 0;
+    for (u32 write_index = 0; samples_to_read > 0 && write_index < out_buffer.size(); ) {
         // Are we at a new frame?
         if ((position_in_frame % NibblesPerFrame) == 0) {
             header = wavebuffer[read_index++];
-            coeff_index = (header >> 4) & 0xF;
-            scale = header & 0xF;
+            scale = header & 0xFu;
+            coeff_index = (header >> 4) & 0x7u;
             coeff0 = req.coefficients[coeff_index * 2 + 0];
             coeff1 = req.coefficients[coeff_index * 2 + 1];
             position_in_frame += 2;
@@ -187,14 +174,12 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
             if (samples_to_read >= SamplesPerFrame) {
                 // Can grab all samples until the next header
                 for (u32 i = 0; i < SamplesPerFrame / 2; i++) {
-                    auto code0{Steps[(wavebuffer[read_index] >> 4) & 0xF]};
-                    auto code1{Steps[wavebuffer[read_index] & 0xF]};
-                    read_index++;
-
+                    auto code0 = get_step((wavebuffer[read_index + i] >> 4) & 0xF);
+                    auto code1 = get_step(wavebuffer[read_index + i] & 0xF);
                     out_buffer[write_index++] = decode_sample(code0);
                     out_buffer[write_index++] = decode_sample(code1);
                 }
-
+                read_index += SamplesPerFrame / 2;
                 position_in_frame += SamplesPerFrame;
                 samples_to_read -= SamplesPerFrame;
                 continue;
@@ -202,15 +187,14 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         }
 
         // Decode a single sample
-        auto code{wavebuffer[read_index]};
+        auto code = wavebuffer[read_index];
         if (position_in_frame & 1) {
             code &= 0xF;
             read_index++;
         } else {
             code >>= 4;
         }
-
-        out_buffer[write_index++] = decode_sample(Steps[code]);
+        out_buffer[write_index++] = decode_sample(get_step(code));
 
         position_in_frame++;
         samples_to_read--;
@@ -219,27 +203,21 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
     context->header = header;
     context->yn0 = yn0;
     context->yn1 = yn1;
-
     return samples_to_process;
 }
 
-/**
- * Decode implementation.
- * Decode wavebuffers according to the given args.
- *
- * @param memory - Core memory to read data from.
- * @param args   - The wavebuffer data, and information for how to decode it.
- */
+/// @brief Decode implementation.
+/// Decode wavebuffers according to the given args.
+///
+/// @param memory - Core memory to read data from.
+/// @param args   - The wavebuffer data, and information for how to decode it.
 void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuffersArgs& args) {
-    static constexpr auto EndWaveBuffer = [](auto& voice_state, auto& wavebuffer, auto& index,
-                                             auto& played_samples, auto& consumed) -> void {
+    constexpr auto EndWaveBuffer = [](auto& voice_state, auto& wavebuffer, auto& index, auto& played_samples, auto& consumed) -> void {
         voice_state.wave_buffer_valid[index] = false;
         voice_state.loop_count = 0;
-
         if (wavebuffer.stream_ended) {
             played_samples = 0;
         }
-
         index = (index + 1) % MaxWaveBuffers;
         consumed++;
     };
@@ -255,8 +233,9 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
         return;
     }
 
-    auto pitch{PitchBySrcQuality[static_cast<u32>(args.src_quality)]};
-    if (static_cast<u32>(pitch + size_required.to_int_floor()) > TempBufferSize) {
+    // 0 -> 4, 1 -> 8, 2 -> 4
+    auto pitch = u32((0x040804ul >> (u32(args.src_quality) * 8)) & 0xfful);
+    if (u32(pitch + size_required.to_int_floor()) > TempBufferSize) {
         return;
     }
 
@@ -272,7 +251,7 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
     bool is_buffer_starved{false};
     u32 offset{voice_state.offset};
 
-    auto output_buffer{args.output};
+    auto output_buffer = args.output;
     std::array<s16, TempBufferSize> temp_buffer{};
 
     while (remaining_sample_count > 0) {
@@ -294,8 +273,8 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
             if (wavebuffer_index >= MaxWaveBuffers) {
                 LOG_ERROR(Service_Audio, "Invalid wavebuffer index! {}", wavebuffer_index);
                 wavebuffer_index = 0;
-                voice_state.wave_buffer_valid.fill(false);
                 wavebuffers_consumed = MaxWaveBuffers;
+                voice_state.wave_buffer_valid.fill(false);
             }
 
             if (!voice_state.wave_buffer_valid[wavebuffer_index]) {
@@ -303,12 +282,9 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
                 break;
             }
 
-            auto& wavebuffer{args.wave_buffers[wavebuffer_index]};
-
-            if (offset == 0 && args.sample_format == SampleFormat::Adpcm &&
-                wavebuffer.context != 0) {
-                memory.ReadBlockUnsafe(wavebuffer.context, &voice_state.adpcm_context,
-                                       wavebuffer.context_size);
+            auto& wavebuffer = args.wave_buffers[wavebuffer_index];
+            if (offset == 0 && args.sample_format == SampleFormat::Adpcm && wavebuffer.context != 0) {
+                memory.ReadBlockUnsafe(wavebuffer.context, &voice_state.adpcm_context, wavebuffer.context_size);
             }
 
             auto start_offset{wavebuffer.start_offset};
@@ -351,9 +327,7 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
             case SampleFormat::Adpcm: {
                 decode_arg.adpcm_context = &voice_state.adpcm_context;
                 memory.ReadBlockUnsafe(args.data_address, &decode_arg.coefficients, args.data_size);
-                samples_decoded = DecodeAdpcm(
-                    memory, {&temp_buffer[temp_buffer_pos], TempBufferSize - temp_buffer_pos},
-                    decode_arg);
+                samples_decoded = DecodeAdpcm( memory, {&temp_buffer[temp_buffer_pos], TempBufferSize - temp_buffer_pos}, decode_arg);
             } break;
 
             default:

src/audio_core/renderer/command/resample/resample.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -5,21 +8,13 @@
 
 namespace AudioCore::Renderer {
 
-static void ResampleLowQuality(std::span<s32> output, std::span<const s16> input,
-                               const Common::FixedPoint<49, 15>& sample_rate_ratio,
-                               Common::FixedPoint<49, 15>& fraction, const u32 samples_to_write) {
-    if (sample_rate_ratio == 1.0f) {
-        for (u32 i = 0; i < samples_to_write; i++) {
-            output[i] = input[i];
-        }
-    } else {
-        u32 read_index{0};
-        for (u32 i = 0; i < samples_to_write; i++) {
-            output[i] = input[read_index + (fraction >= 0.5f)];
-            fraction += sample_rate_ratio;
-            read_index += static_cast<u32>(fraction.to_int_floor());
-            fraction.clear_int();
-        }
+static void ResampleLowQuality(std::span<s32> output, std::span<const s16> input, const Common::FixedPoint<49, 15>& sample_rate_ratio, Common::FixedPoint<49, 15>& fraction, const u32 samples_to_write) {
+    u32 read_index{0};
+    for (u32 i = 0; i < samples_to_write; i++) {
+        output[i] = input[read_index + (fraction >= 0.5f)];
+        fraction += sample_rate_ratio;
+        read_index += u32(fraction.to_int_floor());
+        fraction.clear_int();
     }
 }
 
@@ -295,7 +290,7 @@ static void ResampleNormalQuality(std::span<s32> output, std::span<const s16> in
     auto lut{get_lut()};
     u32 read_index{0};
     for (u32 i = 0; i < samples_to_write; i++) {
-        const auto lut_index{(fraction.get_frac() >> 8) * 4};
+        const auto lut_index = ((fraction.get_frac() >> 8) << 2) & 511;
         const Common::FixedPoint<56, 8> sample0{input[read_index + 0] * lut[lut_index + 0]};
         const Common::FixedPoint<56, 8> sample1{input[read_index + 1] * lut[lut_index + 1]};
         const Common::FixedPoint<56, 8> sample2{input[read_index + 2] * lut[lut_index + 2]};
@@ -845,7 +840,7 @@ static void ResampleHighQuality(std::span<s32> output, std::span<const s16> inpu
     auto lut{get_lut()};
     u32 read_index{0};
     for (u32 i = 0; i < samples_to_write; i++) {
-        const auto lut_index{(fraction.get_frac() >> 8) * 8};
+        const auto lut_index = ((fraction.get_frac() >> 8) << 3) & 1023;
         const Common::FixedPoint<56, 8> sample0{input[read_index + 0] * lut[lut_index + 0]};
         const Common::FixedPoint<56, 8> sample1{input[read_index + 1] * lut[lut_index + 1]};
         const Common::FixedPoint<56, 8> sample2{input[read_index + 2] * lut[lut_index + 2]};

src/video_core/CMakeLists.txt

@@ -158,6 +158,8 @@ add_library(video_core STATIC
     renderer_vulkan/vk_compute_pass.h
     renderer_vulkan/vk_compute_pipeline.cpp
     renderer_vulkan/vk_compute_pipeline.h
+    renderer_vulkan/vk_descriptor_buffer.cpp
+    renderer_vulkan/vk_descriptor_buffer.h
     renderer_vulkan/vk_descriptor_pool.cpp
     renderer_vulkan/vk_descriptor_pool.h
     renderer_vulkan/vk_fence_manager.cpp

src/video_core/renderer_vulkan/pipeline_helper.h

@@ -47,6 +47,93 @@ using Shader::Backend::SPIRV::NUM_TEXTURE_AND_IMAGE_SCALING_WORDS;
     return std::nullopt;
 }
 
+[[nodiscard]] inline VkDeviceSize DescriptorSizeForType(const Device& device,
+                                                        VkDescriptorType type) {
+    const auto& props = device.DescriptorBufferProperties();
+    const bool robust = device.IsRobustBufferAccessEnabled();
+    switch (type) {
+    case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
+        return robust ? props.robustUniformBufferDescriptorSize : props.uniformBufferDescriptorSize;
+    case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
+        return robust ? props.robustStorageBufferDescriptorSize : props.storageBufferDescriptorSize;
+    case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
+        return robust ? props.robustUniformTexelBufferDescriptorSize
+                      : props.uniformTexelBufferDescriptorSize;
+    case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
+        return robust ? props.robustStorageTexelBufferDescriptorSize
+                      : props.storageTexelBufferDescriptorSize;
+    case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
+        return props.combinedImageSamplerDescriptorSize;
+    case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
+        return props.storageImageDescriptorSize;
+    default:
+        return 0;
+    }
+}
+
+struct DescriptorBufferBinding {
+    VkDescriptorType type;
+    u32 count;
+    VkDeviceSize offset;
+    VkDeviceSize stride;
+};
+
+struct DescriptorBufferLayout {
+    VkDeviceSize size{};
+    boost::container::small_vector<DescriptorBufferBinding, 32> bindings;
+
+    [[nodiscard]] bool Empty() const noexcept {
+        return bindings.empty();
+    }
+};
+
+inline void WriteDescriptorBuffer(const Device& device, const DescriptorBufferLayout& layout,
+                                  const DescriptorUpdateEntry* payload, u8* host) {
+    const vk::Device& dev = device.GetLogical();
+    for (const DescriptorBufferBinding& binding : layout.bindings) {
+        for (u32 index = 0; index < binding.count; ++index) {
+            const DescriptorUpdateEntry& entry = *(payload++);
+            const VkDescriptorAddressInfoEXT address_info{
+                .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_ADDRESS_INFO_EXT,
+                .pNext = nullptr,
+                .address = entry.address.address,
+                .range = entry.address.range,
+                .format = entry.address.format,
+            };
+            VkDescriptorGetInfoEXT get_info{
+                .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_GET_INFO_EXT,
+                .pNext = nullptr,
+                .type = binding.type,
+                .data{},
+            };
+            switch (binding.type) {
+            case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
+                get_info.data.pUniformBuffer = &address_info;
+                break;
+            case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
+                get_info.data.pStorageBuffer = &address_info;
+                break;
+            case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
+                get_info.data.pUniformTexelBuffer = &address_info;
+                break;
+            case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
+                get_info.data.pStorageTexelBuffer = &address_info;
+                break;
+            case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
+                get_info.data.pCombinedImageSampler = &entry.image;
+                break;
+            case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
+                get_info.data.pStorageImage = &entry.image;
+                break;
+            default:
+                continue;
+            }
+            dev.GetDescriptorEXT(get_info, binding.stride,
+                                 host + binding.offset + index * binding.stride);
+        }
+    }
+}
+
 [[nodiscard]] inline u32 NumDescriptorEntries(const Shader::Info& info) {
     return Shader::NumDescriptors(info.constant_buffer_descriptors) +
            Shader::NumDescriptors(info.storage_buffers_descriptors) +
@@ -61,20 +148,70 @@ public:
     DescriptorLayoutBuilder(const Device& device_) : device{&device_} {}
 
     bool CanUsePushDescriptor() const noexcept {
-        return device->IsKhrPushDescriptorSupported() &&
-               num_descriptors <= device->MaxPushDescriptors();
+        if (!device->IsKhrPushDescriptorSupported() ||
+            num_descriptors > device->MaxPushDescriptors()) {
+            return false;
+        }
+        return !device->IsExtDescriptorBufferSupported() ||
+               device->DescriptorBufferProperties().bufferlessPushDescriptors;
     }
 
-    // TODO(crueter): utilize layout binding flags
-    vk::DescriptorSetLayout CreateDescriptorSetLayout(bool use_push_descriptor) const {
+    bool CanUseDescriptorBuffer() const noexcept {
+        const auto& props = device->DescriptorBufferProperties();
+        if (!device->IsExtDescriptorBufferSupported() || bindings.empty() ||
+            !props.combinedImageSamplerDescriptorSingleArray) {
+            return false;
+        }
+        return !props.bufferlessPushDescriptors || !CanUsePushDescriptor();
+    }
+
+    DescriptorBufferLayout MakeDescriptorBufferLayout(VkDescriptorSetLayout layout) const {
+        DescriptorBufferLayout result;
+        if (!layout) {
+            return result;
+        }
+        const vk::Device& dev = device->GetLogical();
+        result.size = dev.GetDescriptorSetLayoutSizeEXT(layout);
+        result.bindings.reserve(bindings.size());
+        for (const VkDescriptorSetLayoutBinding& entry : bindings) {
+            result.bindings.push_back(DescriptorBufferBinding{
+                .type = entry.descriptorType,
+                .count = entry.descriptorCount,
+                .offset = dev.GetDescriptorSetLayoutBindingOffsetEXT(layout, entry.binding),
+                .stride = DescriptorSizeForType(*device, entry.descriptorType),
+            });
+        }
+        return result;
+    }
+
+    vk::DescriptorSetLayout CreateDescriptorSetLayout(bool use_push_descriptor,
+                                                      bool use_descriptor_buffer = false) const {
         if (bindings.empty()) {
             return nullptr;
         }
-        const VkDescriptorSetLayoutCreateFlags flags =
-            use_push_descriptor ? VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR : 0;
+        VkDescriptorSetLayoutCreateFlags flags = 0;
+        if (use_push_descriptor) {
+            flags |= VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR;
+        }
+        if (use_descriptor_buffer) {
+            flags |= VK_DESCRIPTOR_SET_LAYOUT_CREATE_DESCRIPTOR_BUFFER_BIT_EXT;
+        }
+        boost::container::small_vector<VkDescriptorBindingFlags, 32> binding_flags;
+        VkDescriptorSetLayoutBindingFlagsCreateInfo binding_flags_ci{};
+        const void* pnext = nullptr;
+        if (!use_push_descriptor && device->IsDescriptorBindingPartiallyBoundSupported()) {
+            binding_flags.assign(bindings.size(), VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT);
+            binding_flags_ci = {
+                .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO,
+                .pNext = nullptr,
+                .bindingCount = static_cast<u32>(binding_flags.size()),
+                .pBindingFlags = binding_flags.data(),
+            };
+            pnext = &binding_flags_ci;
+        }
         return device->GetLogical().CreateDescriptorSetLayout({
             .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
-            .pNext = nullptr,
+            .pNext = pnext,
             .flags = flags,
             .bindingCount = static_cast<u32>(bindings.size()),
             .pBindings = bindings.data(),

src/video_core/renderer_vulkan/vk_buffer_cache.cpp

@@ -69,6 +69,9 @@ vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allo
     if (device.IsExtConditionalRendering()) {
         flags |= VK_BUFFER_USAGE_CONDITIONAL_RENDERING_BIT_EXT;
     }
+    if (device.IsBufferDeviceAddressSupported()) {
+        flags |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
+    }
     const VkBufferCreateInfo buffer_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
@@ -91,6 +94,9 @@ Buffer::Buffer(BufferCacheRuntime& runtime, VideoCommon::NullBufferParams null_p
     device = &runtime.device;
     buffer = runtime.CreateNullBuffer();
     is_null = true;
+    if (device->IsBufferDeviceAddressSupported()) {
+        device_address = device->GetLogical().GetBufferDeviceAddress(*buffer);
+    }
 }
 
 Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_)
@@ -100,6 +106,9 @@ Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_)
     if (runtime.device.HasDebuggingToolAttached()) {
         buffer.SetObjectNameEXT(fmt::format("Buffer {:#x}", CpuAddr()).c_str());
     }
+    if (device->IsBufferDeviceAddressSupported()) {
+        device_address = device->GetLogical().GetBufferDeviceAddress(*buffer);
+    }
 }
 
 void Buffer::MarkUsage(u64 offset, u64 size) noexcept {
@@ -364,6 +373,10 @@ StagingBufferRef BufferCacheRuntime::DownloadStagingBuffer(size_t size, bool def
     return staging_pool.Request(size, MemoryUsage::Download, deferred);
 }
 
+VkFormat BufferCacheRuntime::TexelBufferFormat(VideoCore::Surface::PixelFormat format) const {
+    return MaxwellToVK::SurfaceFormat(device, FormatType::Buffer, false, format).format;
+}
+
 void BufferCacheRuntime::FreeDeferredStagingBuffer(StagingBufferRef& ref) {
     staging_pool.FreeDeferred(ref);
 }
@@ -690,6 +703,9 @@ vk::Buffer BufferCacheRuntime::CreateNullBuffer() {
     if (device.IsExtTransformFeedbackSupported()) {
         create_info.usage |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
     }
+    if (device.IsBufferDeviceAddressSupported()) {
+        create_info.usage |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
+    }
     vk::Buffer ret = memory_allocator.CreateBuffer(create_info, MemoryUsage::DeviceLocal);
     if (device.HasDebuggingToolAttached()) {
         ret.SetObjectNameEXT("Null buffer");

src/video_core/renderer_vulkan/vk_buffer_cache.h

@@ -39,6 +39,10 @@ public:
         return *buffer;
     }
 
+    [[nodiscard]] VkDeviceAddress DeviceAddress() const noexcept {
+        return device_address;
+    }
+
     [[nodiscard]] bool IsRegionUsed(u64 offset, u64 size) const noexcept {
         return tracker.IsUsed(offset, size);
     }
@@ -70,6 +74,7 @@ private:
     vk::Buffer buffer;
     std::vector<BufferView> views;
     VideoCommon::UsageTracker tracker;
+    VkDeviceAddress device_address{};
     u64 last_usage_tick{};
     bool is_null{};
 };
@@ -145,22 +150,25 @@ public:
                                           [[maybe_unused]] u32 binding_index,
                                           u32 size) {
         const StagingBufferRef ref = staging_pool.Request(size, MemoryUsage::Upload);
-        BindBuffer(ref.buffer, static_cast<u32>(ref.offset), size);
+        guest_descriptor_queue.AddBuffer(ref.buffer, ref.device_address,
+                                         static_cast<u32>(ref.offset), size);
         return ref.mapped_span;
     }
 
-    void BindUniformBuffer(VkBuffer buffer, u32 offset, u32 size) {
+    void BindUniformBuffer(const Buffer& buffer, u32 offset, u32 size) {
         BindBuffer(buffer, offset, size);
     }
 
-    void BindStorageBuffer(VkBuffer buffer, u32 offset, u32 size,
+    void BindStorageBuffer(const Buffer& buffer, u32 offset, u32 size,
                            [[maybe_unused]] bool is_written) {
         BindBuffer(buffer, offset, size);
     }
 
     void BindTextureBuffer(Buffer& buffer, u32 offset, u32 size,
                            VideoCore::Surface::PixelFormat format) {
-        guest_descriptor_queue.AddTexelBuffer(buffer.View(offset, size, format));
+        guest_descriptor_queue.AddTexelBuffer(buffer.View(offset, size, format),
+                                              buffer.DeviceAddress(), offset, size,
+                                              TexelBufferFormat(format));
     }
 
     bool ShouldLimitDynamicStorageBuffers() const {
@@ -172,14 +180,17 @@ public:
     }
 
 private:
-    void BindBuffer(VkBuffer buffer, u32 offset, u32 size) {
-        if (buffer == VK_NULL_HANDLE) {
-            guest_descriptor_queue.AddBuffer(buffer, 0, VK_WHOLE_SIZE);
+    void BindBuffer(const Buffer& buffer, u32 offset, u32 size) {
+        const VkBuffer handle = buffer.Handle();
+        if (handle == VK_NULL_HANDLE) {
+            guest_descriptor_queue.AddBuffer(handle, 0, 0, VK_WHOLE_SIZE);
         } else {
-            guest_descriptor_queue.AddBuffer(buffer, offset, size);
+            guest_descriptor_queue.AddBuffer(handle, buffer.DeviceAddress(), offset, size);
         }
     }
 
+    VkFormat TexelBufferFormat(VideoCore::Surface::PixelFormat format) const;
+
     void ReserveNullBuffer();
     vk::Buffer CreateNullBuffer();
 

src/video_core/renderer_vulkan/vk_compute_pipeline.cpp

@@ -34,12 +34,14 @@ using Tegra::Texture::TexturePair;
 ComputePipeline::ComputePipeline(const Device& device_, Scheduler& scheduler, vk::PipelineCache& pipeline_cache_,
                                  DescriptorPool& descriptor_pool,
                                  GuestDescriptorQueue& guest_descriptor_queue_,
+                                 DescriptorBufferRing& descriptor_buffer_ring_,
                                  Common::ThreadWorker* thread_worker,
                                  PipelineStatistics* pipeline_statistics,
                                  VideoCore::ShaderNotify* shader_notify, const Shader::Info& info_,
                                  vk::ShaderModule spv_module_, u64 shader_hash_)
     : device{device_},
-      pipeline_cache(pipeline_cache_), guest_descriptor_queue{guest_descriptor_queue_}, info{info_},
+      pipeline_cache(pipeline_cache_), guest_descriptor_queue{guest_descriptor_queue_},
+      descriptor_buffer_ring{descriptor_buffer_ring_}, info{info_},
       shader_hash{shader_hash_}, spv_module(std::move(spv_module_)) {
     if (shader_notify) {
         shader_notify->MarkShaderBuilding();
@@ -48,18 +50,36 @@ ComputePipeline::ComputePipeline(const Device& device_, Scheduler& scheduler, vk
                 uniform_buffer_sizes.begin());
     num_descriptor_entries = NumDescriptorEntries(info);
 
-    auto func{[this, &scheduler, &descriptor_pool, shader_notify, pipeline_statistics] {
-        DescriptorLayoutBuilder builder{device};
-        builder.Add(info, VK_SHADER_STAGE_COMPUTE_BIT);
+    DescriptorLayoutBuilder builder{device};
+    builder.Add(info, VK_SHADER_STAGE_COMPUTE_BIT);
 
-        uses_push_descriptor = builder.CanUsePushDescriptor();
-        descriptor_set_layout = builder.CreateDescriptorSetLayout(uses_push_descriptor);
-        pipeline_layout = builder.CreatePipelineLayout(*descriptor_set_layout);
+    uses_push_descriptor = builder.CanUsePushDescriptor();
+    uses_descriptor_buffer = builder.CanUseDescriptorBuffer() && descriptor_buffer_ring.IsValid();
+    descriptor_set_layout =
+        builder.CreateDescriptorSetLayout(uses_push_descriptor, uses_descriptor_buffer);
+    if (uses_descriptor_buffer) {
+        descriptor_buffer_layout = builder.MakeDescriptorBufferLayout(*descriptor_set_layout);
+        if (!descriptor_buffer_ring.CanAllocate(descriptor_buffer_layout.size)) {
+            LOG_DEBUG(Render_Vulkan,
+                        "Compute shader {:016X} needs {} descriptor bytes per dispatch, falling "
+                        "back to sets",
+                        shader_hash, descriptor_buffer_layout.size);
+            uses_descriptor_buffer = false;
+            descriptor_buffer_layout = {};
+            descriptor_set_layout = builder.CreateDescriptorSetLayout(false);
+        }
+    }
+    pipeline_layout = builder.CreatePipelineLayout(*descriptor_set_layout);
+    if (!uses_descriptor_buffer) {
         descriptor_update_template =
             builder.CreateTemplate(*descriptor_set_layout, *pipeline_layout, uses_push_descriptor);
         if (!uses_push_descriptor) {
-            descriptor_allocator = descriptor_pool.Allocator(device, scheduler, *descriptor_set_layout, info);
+            descriptor_allocator =
+                descriptor_pool.Allocator(device, scheduler, *descriptor_set_layout, info);
         }
+    }
+
+    auto func{[this, shader_notify, pipeline_statistics] {
         const VkPipelineShaderStageRequiredSubgroupSizeCreateInfoEXT subgroup_size_ci{
             .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_REQUIRED_SUBGROUP_SIZE_CREATE_INFO_EXT,
             .pNext = nullptr,
@@ -69,6 +89,9 @@ ComputePipeline::ComputePipeline(const Device& device_, Scheduler& scheduler, vk
         if (device.IsKhrPipelineExecutablePropertiesEnabled() && Settings::values.renderer_debug.GetValue()) {
             flags |= VK_PIPELINE_CREATE_CAPTURE_STATISTICS_BIT_KHR;
         }
+        if (uses_descriptor_buffer) {
+            flags |= VK_PIPELINE_CREATE_DESCRIPTOR_BUFFER_BIT_EXT;
+        }
         const VkComputePipelineCreateInfo compute_ci{
             .sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
             .pNext = nullptr,
@@ -125,10 +148,10 @@ ComputePipeline::ComputePipeline(const Device& device_, Scheduler& scheduler, vk
     }
 }
 
-void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
+bool ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
                                 Tegra::MemoryManager& gpu_memory, Scheduler& scheduler,
                                 BufferCache& buffer_cache, TextureCache& texture_cache) {
-    guest_descriptor_queue.Acquire(scheduler, num_descriptor_entries);
+    guest_descriptor_queue.Acquire(scheduler, num_descriptor_entries, uses_descriptor_buffer);
 
     buffer_cache.SetComputeUniformBufferState(info.constant_buffer_mask, &uniform_buffer_sizes);
     buffer_cache.UnbindComputeStorageBuffers();
@@ -249,10 +272,33 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
         GPU::Logging::GPULogger::GetInstance().LogPipelineBind(true, "compute pipeline");
     }
 
-    const void* const descriptor_data{guest_descriptor_queue.UpdateData()};
+    const DescriptorUpdateEntry* const descriptor_data{guest_descriptor_queue.UpdateData()};
+    VkDeviceSize descriptor_buffer_offset{};
+    u32 descriptor_buffer_chunk{};
+    if (uses_descriptor_buffer) {
+        const DescriptorBufferRing::Allocation alloc{
+            descriptor_buffer_ring.Allocate(scheduler, descriptor_buffer_layout.size)};
+        if (!alloc.host) {
+            LOG_DEBUG(Render_Vulkan, "Failed to reserve descriptor memory, skipping dispatch");
+            return false;
+        }
+        WriteDescriptorBuffer(device, descriptor_buffer_layout, descriptor_data, alloc.host);
+        descriptor_buffer_offset = alloc.offset;
+        descriptor_buffer_chunk = alloc.chunk;
+    }
+
+    const bool bind_descriptor_buffer{
+        uses_descriptor_buffer && scheduler.UpdateDescriptorBufferChunk(descriptor_buffer_chunk)};
+
     const bool is_rescaling = !info.texture_descriptors.empty() || !info.image_descriptors.empty();
-    scheduler.Record([this, descriptor_data, is_rescaling,
+    scheduler.Record([this, descriptor_data, is_rescaling, descriptor_buffer_offset,
+                      descriptor_buffer_chunk, bind_descriptor_buffer,
                       rescaling_data = rescaling.Data()](vk::CommandBuffer cmdbuf) {
+        if (bind_descriptor_buffer) {
+            const VkDescriptorBufferBindingInfoEXT binding_info{
+                descriptor_buffer_ring.BindingInfo(descriptor_buffer_chunk)};
+            cmdbuf.BindDescriptorBuffersEXT(binding_info);
+        }
         if (!pipeline) {
             return;
         }
@@ -265,7 +311,11 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
                                  RESCALING_LAYOUT_WORDS_OFFSET, sizeof(rescaling_data),
                                  rescaling_data.data());
         }
-        if (uses_push_descriptor) {
+        if (uses_descriptor_buffer) {
+            const u32 buffer_index{};
+            cmdbuf.SetDescriptorBufferOffsetsEXT(VK_PIPELINE_BIND_POINT_COMPUTE, *pipeline_layout,
+                                                 0, buffer_index, descriptor_buffer_offset);
+        } else if (uses_push_descriptor) {
             cmdbuf.PushDescriptorSetWithTemplateKHR(*descriptor_update_template, *pipeline_layout,
                                                     0, descriptor_data);
         } else {
@@ -276,6 +326,7 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
                                       descriptor_set, nullptr);
         }
     });
+    return true;
 }
 
 } // namespace Vulkan

src/video_core/renderer_vulkan/vk_compute_pipeline.h

@@ -13,7 +13,9 @@
 #include "common/common_types.h"
 #include "common/thread_worker.h"
 #include "shader_recompiler/shader_info.h"
+#include "video_core/renderer_vulkan/pipeline_helper.h"
 #include "video_core/renderer_vulkan/vk_buffer_cache.h"
+#include "video_core/renderer_vulkan/vk_descriptor_buffer.h"
 #include "video_core/renderer_vulkan/vk_descriptor_pool.h"
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 #include "video_core/renderer_vulkan/vk_update_descriptor.h"
@@ -34,6 +36,7 @@ public:
     explicit ComputePipeline(const Device& device, Scheduler& scheduler, vk::PipelineCache& pipeline_cache,
                              DescriptorPool& descriptor_pool,
                              GuestDescriptorQueue& guest_descriptor_queue,
+                             DescriptorBufferRing& descriptor_buffer_ring,
                              Common::ThreadWorker* thread_worker,
                              PipelineStatistics* pipeline_statistics,
                              VideoCore::ShaderNotify* shader_notify, const Shader::Info& info,
@@ -45,8 +48,9 @@ public:
     ComputePipeline& operator=(const ComputePipeline&) = delete;
     ComputePipeline(const ComputePipeline&) = delete;
 
-    void Configure(Tegra::Engines::KeplerCompute& kepler_compute, Tegra::MemoryManager& gpu_memory,
-                   Scheduler& scheduler, BufferCache& buffer_cache, TextureCache& texture_cache);
+    [[nodiscard]] bool Configure(Tegra::Engines::KeplerCompute& kepler_compute,
+                                 Tegra::MemoryManager& gpu_memory, Scheduler& scheduler,
+                                 BufferCache& buffer_cache, TextureCache& texture_cache);
 
     bool IsBound() const noexcept {
         return static_cast<bool>(pipeline);
@@ -56,6 +60,7 @@ private:
     const Device& device;
     vk::PipelineCache& pipeline_cache;
     GuestDescriptorQueue& guest_descriptor_queue;
+    DescriptorBufferRing& descriptor_buffer_ring;
     Shader::Info info;
     u64 shader_hash{};
     u32 num_descriptor_entries{};
@@ -65,6 +70,8 @@ private:
     vk::ShaderModule spv_module;
     vk::DescriptorSetLayout descriptor_set_layout;
     bool uses_push_descriptor{false};
+    bool uses_descriptor_buffer{false};
+    DescriptorBufferLayout descriptor_buffer_layout;
     DescriptorAllocator descriptor_allocator;
     vk::PipelineLayout pipeline_layout;
     vk::DescriptorUpdateTemplate descriptor_update_template;

src/video_core/renderer_vulkan/vk_descriptor_buffer.cpp

@@ -0,0 +1,141 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include <algorithm>
+
+#include "common/alignment.h"
+#include "common/assert.h"
+#include "common/logging.h"
+#include "video_core/renderer_vulkan/vk_descriptor_buffer.h"
+#include "video_core/renderer_vulkan/vk_scheduler.h"
+#include "video_core/vulkan_common/vulkan_device.h"
+
+namespace Vulkan {
+
+DescriptorBufferRing::DescriptorBufferRing(const Device& device_,
+                                           MemoryAllocator& memory_allocator)
+    : device{device_} {
+    if (!device.IsExtDescriptorBufferSupported() || !device.IsBufferDeviceAddressSupported()) {
+        return;
+    }
+    const VkPhysicalDeviceDescriptorBufferPropertiesEXT& props{device.DescriptorBufferProperties()};
+    alignment = std::max<VkDeviceSize>(props.descriptorBufferOffsetAlignment, 1);
+
+    const VkDeviceSize max_bound{(std::min)({props.maxSamplerDescriptorBufferRange,
+                                             props.maxResourceDescriptorBufferRange,
+                                             props.samplerDescriptorBufferAddressSpaceSize,
+                                             props.resourceDescriptorBufferAddressSpaceSize,
+                                             props.descriptorBufferAddressSpaceSize})};
+    const VkDeviceSize frame_size{device.IsTiler() ? TILER_FRAME_SIZE : DESKTOP_FRAME_SIZE};
+    const VkDeviceSize chunk_size{
+        Common::AlignDown((std::min)(frame_size, max_bound), alignment)};
+    if (chunk_size <= alignment) {
+        LOG_DEBUG(Render_Vulkan, "Descriptor buffer binding limit of {} is unusable, disabling",
+                  max_bound);
+        return;
+    }
+    chunk_capacity = chunk_size - alignment;
+    chunks_per_frame = static_cast<size_t>(frame_size / chunk_size);
+
+    const VkBufferCreateInfo buffer_ci{
+        .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
+        .pNext = nullptr,
+        .flags = 0,
+        .size = chunk_size,
+        .usage = VK_BUFFER_USAGE_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT |
+                 VK_BUFFER_USAGE_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT |
+                 VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT,
+        .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
+        .queueFamilyIndexCount = 0,
+        .pQueueFamilyIndices = nullptr,
+    };
+    const size_t total_chunks{chunks_per_frame * FRAMES_IN_FLIGHT};
+    chunks.reserve(total_chunks);
+    chunk_addresses.reserve(total_chunks);
+    chunk_hosts.reserve(total_chunks);
+    for (size_t index = 0; index < total_chunks; ++index) {
+        vk::Buffer buffer{memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::Upload)};
+        if (!buffer.IsHostVisible()) {
+            LOG_DEBUG(Render_Vulkan, "Descriptor buffer is not host visible, disabling");
+            chunks.clear();
+            return;
+        }
+        if (!buffer.IsHostCoherent()) {
+            LOG_DEBUG(Render_Vulkan, "Descriptor buffer is not host coherent, disabling");
+            chunks.clear();
+            return;
+        }
+        if (device.HasDebuggingToolAttached()) {
+            buffer.SetObjectNameEXT("Descriptor buffer");
+        }
+        const VkDeviceAddress raw_address{device.GetLogical().GetBufferDeviceAddress(*buffer)};
+        const VkDeviceAddress address{Common::AlignUp(raw_address, alignment)};
+        chunk_addresses.push_back(address);
+        chunk_hosts.push_back(buffer.Mapped().data() + (address - raw_address));
+        chunks.push_back(std::move(buffer));
+    }
+}
+
+DescriptorBufferRing::~DescriptorBufferRing() = default;
+
+void DescriptorBufferRing::TickFrame() {
+    if (++frame_index >= FRAMES_IN_FLIGHT) {
+        frame_index = 0;
+    }
+    chunk_cursor = 0;
+    cursor = 0;
+    ++generation;
+    frame_reused = true;
+}
+
+void DescriptorBufferRing::TouchFrame(Scheduler& scheduler) {
+    frame_ticks[frame_index] = scheduler.CurrentTick();
+}
+
+DescriptorBufferRing::Allocation DescriptorBufferRing::Allocate(Scheduler& scheduler,
+                                                                VkDeviceSize size) {
+    ASSERT(!chunks.empty());
+    if (!CanAllocate(size)) {
+        LOG_DEBUG(Render_Vulkan, "Descriptor set of {} bytes exceeds chunk capacity {}", size,
+                  chunk_capacity);
+        return Allocation{};
+    }
+    const VkDeviceSize needed{Common::AlignUp(size, alignment)};
+    if (frame_reused) {
+        frame_reused = false;
+        scheduler.Wait(frame_ticks[frame_index]);
+    }
+    if (cursor + needed > chunk_capacity) {
+        if (chunk_cursor + 1 < chunks_per_frame) {
+            ++chunk_cursor;
+        } else {
+            LOG_DEBUG(Render_Vulkan, "Descriptor buffer frame exhausted, stalling on the GPU");
+            scheduler.Finish();
+            chunk_cursor = 0;
+            ++generation;
+        }
+        cursor = 0;
+    }
+    const size_t chunk{frame_index * chunks_per_frame + chunk_cursor};
+    const VkDeviceSize offset{cursor};
+    cursor += needed;
+    frame_ticks[frame_index] = scheduler.CurrentTick();
+    return Allocation{
+        .host = chunk_hosts[chunk] + offset,
+        .offset = offset,
+        .chunk = static_cast<u32>(chunk),
+        .generation = generation,
+    };
+}
+
+VkDescriptorBufferBindingInfoEXT DescriptorBufferRing::BindingInfo(u32 chunk) const noexcept {
+    return VkDescriptorBufferBindingInfoEXT{
+        .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_BUFFER_BINDING_INFO_EXT,
+        .pNext = nullptr,
+        .address = chunk_addresses[chunk],
+        .usage = VK_BUFFER_USAGE_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT |
+                 VK_BUFFER_USAGE_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT,
+    };
+}
+
+} // namespace Vulkan

src/video_core/renderer_vulkan/vk_descriptor_buffer.h

@@ -0,0 +1,71 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+#include <vector>
+
+#include "common/alignment.h"
+#include "common/common_types.h"
+#include "video_core/vulkan_common/vulkan_memory_allocator.h"
+#include "video_core/vulkan_common/vulkan_wrapper.h"
+
+namespace Vulkan {
+
+class Device;
+class Scheduler;
+
+class DescriptorBufferRing final {
+    static constexpr size_t FRAMES_IN_FLIGHT = 8;
+    static constexpr VkDeviceSize TILER_FRAME_SIZE = 2 * 1024 * 1024;
+    static constexpr VkDeviceSize DESKTOP_FRAME_SIZE = 4 * 1024 * 1024;
+
+public:
+    explicit DescriptorBufferRing(const Device& device_, MemoryAllocator& memory_allocator);
+    ~DescriptorBufferRing();
+
+    struct Allocation {
+        u8* host{};
+        VkDeviceSize offset{};
+        u32 chunk{};
+        u64 generation{};
+    };
+
+    [[nodiscard]] u64 CurrentGeneration() const noexcept {
+        return generation;
+    }
+
+    void TouchFrame(Scheduler& scheduler);
+
+    [[nodiscard]] bool CanAllocate(VkDeviceSize size) const noexcept {
+        return Common::AlignUp(size, alignment) <= chunk_capacity;
+    }
+
+    void TickFrame();
+
+    [[nodiscard]] Allocation Allocate(Scheduler& scheduler, VkDeviceSize size);
+
+    [[nodiscard]] VkDescriptorBufferBindingInfoEXT BindingInfo(u32 chunk) const noexcept;
+
+    [[nodiscard]] bool IsValid() const noexcept {
+        return !chunks.empty();
+    }
+
+private:
+    const Device& device;
+    std::vector<vk::Buffer> chunks;
+    std::vector<VkDeviceAddress> chunk_addresses;
+    std::vector<u8*> chunk_hosts;
+    VkDeviceSize alignment{1};
+    VkDeviceSize chunk_capacity{};
+    size_t chunks_per_frame{};
+    size_t frame_index{};
+    size_t chunk_cursor{};
+    VkDeviceSize cursor{};
+    u64 generation{1};
+    std::array<u64, FRAMES_IN_FLIGHT> frame_ticks{};
+    bool frame_reused{};
+};
+
+} // namespace Vulkan

src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp

@@ -5,6 +5,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <algorithm>
+#include <cstring>
 #include <iostream>
 #include <span>
 
@@ -250,13 +251,15 @@ GraphicsPipeline::GraphicsPipeline(
     Scheduler& scheduler_, BufferCache& buffer_cache_, TextureCache& texture_cache_,
     vk::PipelineCache& pipeline_cache_, VideoCore::ShaderNotify* shader_notify,
     const Device& device_, DescriptorPool& descriptor_pool,
-    GuestDescriptorQueue& guest_descriptor_queue_, Common::ThreadWorker* worker_thread,
+    GuestDescriptorQueue& guest_descriptor_queue_, DescriptorBufferRing& descriptor_buffer_ring_,
+    Common::ThreadWorker* worker_thread,
     PipelineStatistics* pipeline_statistics, RenderPassCache& render_pass_cache,
     const GraphicsPipelineCacheKey& key_, std::array<vk::ShaderModule, NUM_STAGES> stages,
     const std::array<const Shader::Info*, NUM_STAGES>& infos)
     : key{key_}, device{device_}, texture_cache{texture_cache_}, buffer_cache{buffer_cache_},
       pipeline_cache(pipeline_cache_), scheduler{scheduler_},
-      guest_descriptor_queue{guest_descriptor_queue_}, spv_modules{std::move(stages)} {
+      guest_descriptor_queue{guest_descriptor_queue_},
+      descriptor_buffer_ring{descriptor_buffer_ring_}, spv_modules{std::move(stages)} {
     if (shader_notify) {
         shader_notify->MarkShaderBuilding();
     }
@@ -276,20 +279,37 @@ GraphicsPipeline::GraphicsPipeline(
         num_descriptor_entries += NumDescriptorEntries(*info);
     }
     fragment_has_color0_output = stage_infos[NUM_STAGES - 1].stores_frag_color[0];
-    auto func{[this, shader_notify, &render_pass_cache, &descriptor_pool, pipeline_statistics] {
-        DescriptorLayoutBuilder builder{MakeBuilder(device, stage_infos)};
-        uses_push_descriptor = builder.CanUsePushDescriptor();
-        descriptor_set_layout = builder.CreateDescriptorSetLayout(uses_push_descriptor);
 
-        if (!uses_push_descriptor) {
-            descriptor_allocator = descriptor_pool.Allocator(device, scheduler, *descriptor_set_layout, stage_infos);
+    DescriptorLayoutBuilder builder{MakeBuilder(device, stage_infos)};
+    uses_push_descriptor = builder.CanUsePushDescriptor();
+    uses_descriptor_buffer = builder.CanUseDescriptorBuffer() && descriptor_buffer_ring.IsValid();
+    descriptor_set_layout =
+        builder.CreateDescriptorSetLayout(uses_push_descriptor, uses_descriptor_buffer);
+    if (uses_descriptor_buffer) {
+        descriptor_buffer_layout = builder.MakeDescriptorBufferLayout(*descriptor_set_layout);
+        if (!descriptor_buffer_ring.CanAllocate(descriptor_buffer_layout.size)) {
+            LOG_WARNING(Render_Vulkan,
+                        "Graphics pipeline {:016X} needs {} descriptor bytes per draw, falling back "
+                        "to sets",
+                        key.Hash(), descriptor_buffer_layout.size);
+            uses_descriptor_buffer = false;
+            descriptor_buffer_layout = {};
+            descriptor_set_layout = builder.CreateDescriptorSetLayout(uses_push_descriptor);
         }
+    }
 
-        const VkDescriptorSetLayout set_layout{*descriptor_set_layout};
-        pipeline_layout = builder.CreatePipelineLayout(set_layout);
+    const VkDescriptorSetLayout set_layout{*descriptor_set_layout};
+    pipeline_layout = builder.CreatePipelineLayout(set_layout);
+    if (!uses_descriptor_buffer) {
         descriptor_update_template =
             builder.CreateTemplate(set_layout, *pipeline_layout, uses_push_descriptor);
+        if (!uses_push_descriptor) {
+            descriptor_allocator =
+                descriptor_pool.Allocator(device, scheduler, set_layout, stage_infos);
+        }
+    }
 
+    auto func{[this, shader_notify, &render_pass_cache, pipeline_statistics] {
         const VkRenderPass render_pass{render_pass_cache.Get(MakeRenderPassKey(key.state, device))};
         Validate();
         try {
@@ -496,7 +516,7 @@ bool GraphicsPipeline::ConfigureImpl(bool is_indexed) {
     buffer_cache.UpdateGraphicsBuffers(is_indexed);
     buffer_cache.BindHostGeometryBuffers(is_indexed);
 
-    guest_descriptor_queue.Acquire(scheduler, num_descriptor_entries);
+    guest_descriptor_queue.Acquire(scheduler, num_descriptor_entries, uses_descriptor_buffer);
 
     RescalingPushConstant rescaling;
     RenderAreaPushConstant render_area;
@@ -538,13 +558,43 @@ bool GraphicsPipeline::ConfigureImpl(bool is_indexed) {
     if (IsBuilt() && !pipeline) {
         return false;
     }
-    ConfigureDraw(rescaling, render_area);
-
-    return true;
+    return ConfigureDraw(rescaling, render_area);
 }
 
-void GraphicsPipeline::ConfigureDraw(const RescalingPushConstant& rescaling,
+bool GraphicsPipeline::ConfigureDraw(const RescalingPushConstant& rescaling,
                                      const RenderAreaPushConstant& render_area) {
+    const void* const descriptor_data{guest_descriptor_queue.UpdateData()};
+
+    VkDeviceSize descriptor_buffer_offset{};
+    u32 descriptor_buffer_chunk{};
+    if (descriptor_set_layout && uses_descriptor_buffer) {
+        const auto* const entries = static_cast<const DescriptorUpdateEntry*>(descriptor_data);
+        const bool reuse_allocation =
+            last_descriptor_buffer_generation == descriptor_buffer_ring.CurrentGeneration() &&
+            last_descriptor_payload.size() == num_descriptor_entries &&
+            std::memcmp(last_descriptor_payload.data(), entries,
+                        num_descriptor_entries * sizeof(DescriptorUpdateEntry)) == 0;
+        if (reuse_allocation) {
+            descriptor_buffer_offset = last_descriptor_buffer_offset;
+            descriptor_buffer_chunk = last_descriptor_buffer_chunk;
+            descriptor_buffer_ring.TouchFrame(scheduler);
+        } else {
+            const DescriptorBufferRing::Allocation alloc{
+                descriptor_buffer_ring.Allocate(scheduler, descriptor_buffer_layout.size)};
+            if (!alloc.host) {
+                LOG_DEBUG(Render_Vulkan, "Failed to reserve descriptor memory, skipping draw");
+                return false;
+            }
+            WriteDescriptorBuffer(device, descriptor_buffer_layout, entries, alloc.host);
+            descriptor_buffer_offset = alloc.offset;
+            descriptor_buffer_chunk = alloc.chunk;
+            last_descriptor_buffer_offset = alloc.offset;
+            last_descriptor_buffer_chunk = alloc.chunk;
+            last_descriptor_buffer_generation = alloc.generation;
+            last_descriptor_payload.assign(entries, entries + num_descriptor_entries);
+        }
+    }
+
     scheduler.RequestRenderpass(texture_cache.GetFramebuffer());
     if (!is_built.load(std::memory_order::relaxed)) {
         // Wait for the pipeline to be built
@@ -556,6 +606,9 @@ void GraphicsPipeline::ConfigureDraw(const RescalingPushConstant& rescaling,
     const bool is_rescaling{texture_cache.IsRescaling()};
     const bool update_rescaling{scheduler.UpdateRescaling(is_rescaling)};
     const bool bind_pipeline{scheduler.UpdateGraphicsPipeline(this)};
+    const bool bind_descriptor_buffer{
+        descriptor_set_layout && uses_descriptor_buffer &&
+        scheduler.UpdateDescriptorBufferChunk(descriptor_buffer_chunk)};
 
     // Log graphics pipeline binding
     if (bind_pipeline && GPU::Logging::IsActive() &&
@@ -564,11 +617,27 @@ void GraphicsPipeline::ConfigureDraw(const RescalingPushConstant& rescaling,
         GPU::Logging::GPULogger::GetInstance().LogPipelineBind(false, pipeline_info);
     }
 
-    const void* const descriptor_data{guest_descriptor_queue.UpdateData()};
-    scheduler.Record([this, descriptor_data, bind_pipeline, rescaling_data = rescaling.Data(),
-                      is_rescaling, update_rescaling,
+    bool update_descriptors = true;
+    if (descriptor_set_layout && !uses_push_descriptor && !uses_descriptor_buffer) {
+        const auto* const entries = static_cast<const DescriptorUpdateEntry*>(descriptor_data);
+        update_descriptors =
+            bind_pipeline || last_descriptor_payload.size() != num_descriptor_entries ||
+            std::memcmp(last_descriptor_payload.data(), entries,
+                        num_descriptor_entries * sizeof(DescriptorUpdateEntry)) != 0;
+        if (update_descriptors) {
+            last_descriptor_payload.assign(entries, entries + num_descriptor_entries);
+        }
+    }
+    scheduler.Record([this, descriptor_data, bind_pipeline, update_descriptors,
+                      descriptor_buffer_offset, descriptor_buffer_chunk, bind_descriptor_buffer,
+                      rescaling_data = rescaling.Data(), is_rescaling, update_rescaling,
                       uses_render_area = render_area.uses_render_area,
                       render_area_data = render_area.words](vk::CommandBuffer cmdbuf) {
+        if (bind_descriptor_buffer) {
+            const VkDescriptorBufferBindingInfoEXT binding_info{
+                descriptor_buffer_ring.BindingInfo(descriptor_buffer_chunk)};
+            cmdbuf.BindDescriptorBuffersEXT(binding_info);
+        }
         if (bind_pipeline) {
             if (!pipeline) {
                 return;
@@ -593,10 +662,14 @@ void GraphicsPipeline::ConfigureDraw(const RescalingPushConstant& rescaling,
         if (!descriptor_set_layout) {
             return;
         }
-        if (uses_push_descriptor) {
+        if (uses_descriptor_buffer) {
+            const u32 buffer_index{};
+            cmdbuf.SetDescriptorBufferOffsetsEXT(VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline_layout,
+                                                 0, buffer_index, descriptor_buffer_offset);
+        } else if (uses_push_descriptor) {
             cmdbuf.PushDescriptorSetWithTemplateKHR(*descriptor_update_template, *pipeline_layout,
                                                     0, descriptor_data);
-        } else {
+        } else if (update_descriptors) {
             const VkDescriptorSet descriptor_set{descriptor_allocator.Commit()};
             const vk::Device& dev{device.GetLogical()};
             dev.UpdateDescriptorSet(descriptor_set, *descriptor_update_template, descriptor_data);
@@ -604,6 +677,7 @@ void GraphicsPipeline::ConfigureDraw(const RescalingPushConstant& rescaling,
                                       descriptor_set, nullptr);
         }
     });
+    return true;
 }
 
 void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
@@ -995,6 +1069,9 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
     if (device.IsKhrPipelineExecutablePropertiesEnabled() && Settings::values.renderer_debug.GetValue()) {
         flags |= VK_PIPELINE_CREATE_CAPTURE_STATISTICS_BIT_KHR;
     }
+    if (uses_descriptor_buffer) {
+        flags |= VK_PIPELINE_CREATE_DESCRIPTOR_BUFFER_BIT_EXT;
+    }
 
     pipeline = device.GetLogical().CreateGraphicsPipeline({
         .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,

src/video_core/renderer_vulkan/vk_graphics_pipeline.h

@@ -12,14 +12,18 @@
 #include <condition_variable>
 #include <mutex>
 #include <type_traits>
+#include <vector>
 
 #include "common/thread_worker.h"
 #include "shader_recompiler/shader_info.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_vulkan/fixed_pipeline_state.h"
+#include "video_core/renderer_vulkan/pipeline_helper.h"
 #include "video_core/renderer_vulkan/vk_buffer_cache.h"
+#include "video_core/renderer_vulkan/vk_descriptor_buffer.h"
 #include "video_core/renderer_vulkan/vk_descriptor_pool.h"
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
+#include "video_core/renderer_vulkan/vk_update_descriptor.h"
 #include "video_core/vulkan_common/vulkan_wrapper.h"
 
 namespace VideoCore {
@@ -76,7 +80,8 @@ public:
         Scheduler& scheduler, BufferCache& buffer_cache, TextureCache& texture_cache,
         vk::PipelineCache& pipeline_cache, VideoCore::ShaderNotify* shader_notify,
         const Device& device, DescriptorPool& descriptor_pool,
-        GuestDescriptorQueue& guest_descriptor_queue, Common::ThreadWorker* worker_thread,
+        GuestDescriptorQueue& guest_descriptor_queue,
+        DescriptorBufferRing& descriptor_buffer_ring, Common::ThreadWorker* worker_thread,
         PipelineStatistics* pipeline_statistics, RenderPassCache& render_pass_cache,
         const GraphicsPipelineCacheKey& key, std::array<vk::ShaderModule, NUM_STAGES> stages,
         const std::array<const Shader::Info*, NUM_STAGES>& infos);
@@ -132,7 +137,7 @@ private:
     template <typename Spec>
     bool ConfigureImpl(bool is_indexed);
 
-    void ConfigureDraw(const RescalingPushConstant& rescaling,
+    bool ConfigureDraw(const RescalingPushConstant& rescaling,
                        const RenderAreaPushConstant& render_are);
 
     void MakePipeline(VkRenderPass render_pass);
@@ -148,6 +153,7 @@ private:
     vk::PipelineCache& pipeline_cache;
     Scheduler& scheduler;
     GuestDescriptorQueue& guest_descriptor_queue;
+    DescriptorBufferRing& descriptor_buffer_ring;
 
     bool (*configure_func)(GraphicsPipeline*, bool){};
 
@@ -170,10 +176,17 @@ private:
     vk::DescriptorUpdateTemplate descriptor_update_template;
     vk::Pipeline pipeline;
 
+    DescriptorBufferLayout descriptor_buffer_layout;
+    std::vector<DescriptorUpdateEntry> last_descriptor_payload;
+    VkDeviceSize last_descriptor_buffer_offset{};
+    u32 last_descriptor_buffer_chunk{};
+    u64 last_descriptor_buffer_generation{};
+
     std::condition_variable build_condvar;
     std::mutex build_mutex;
     std::atomic_bool is_built{false};
     bool uses_push_descriptor{false};
+    bool uses_descriptor_buffer{false};
 };
 
 } // namespace Vulkan

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -340,10 +340,12 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
                              const Device& device_, Scheduler& scheduler_,
                              DescriptorPool& descriptor_pool_,
                              GuestDescriptorQueue& guest_descriptor_queue_,
+                             DescriptorBufferRing& descriptor_buffer_ring_,
                              RenderPassCache& render_pass_cache_, BufferCache& buffer_cache_,
                              TextureCache& texture_cache_, VideoCore::ShaderNotify& shader_notify_)
     : VideoCommon::ShaderCache{device_memory_}, device{device_}, scheduler{scheduler_},
       descriptor_pool{descriptor_pool_}, guest_descriptor_queue{guest_descriptor_queue_},
+      descriptor_buffer_ring{descriptor_buffer_ring_},
       render_pass_cache{render_pass_cache_}, buffer_cache{buffer_cache_},
       texture_cache{texture_cache_}, shader_notify{shader_notify_},
       use_asynchronous_shaders{Settings::values.use_asynchronous_shaders.GetValue()},
@@ -836,8 +838,8 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
     Common::ThreadWorker* const thread_worker{build_in_parallel ? &workers : nullptr};
     return std::make_unique<GraphicsPipeline>(
         scheduler, buffer_cache, texture_cache, vulkan_pipeline_cache, &shader_notify, device,
-        descriptor_pool, guest_descriptor_queue, thread_worker, statistics, render_pass_cache, key,
-        std::move(modules), infos);
+        descriptor_pool, guest_descriptor_queue, descriptor_buffer_ring, thread_worker, statistics,
+        render_pass_cache, key, std::move(modules), infos);
 
 } catch (const Shader::Exception& exception) {
     auto hash = key.Hash();
@@ -957,7 +959,8 @@ std::unique_ptr<ComputePipeline> PipelineCache::CreateComputePipeline(
     }
     Common::ThreadWorker* const thread_worker{build_in_parallel ? &workers : nullptr};
     return std::make_unique<ComputePipeline>(device, scheduler, vulkan_pipeline_cache, descriptor_pool,
-                                             guest_descriptor_queue, thread_worker, statistics,
+                                             guest_descriptor_queue, descriptor_buffer_ring,
+                                             thread_worker, statistics,
                                              &shader_notify, program.info, std::move(spv_module),
                                              key.unique_hash);
 

src/video_core/renderer_vulkan/vk_pipeline_cache.h

@@ -105,6 +105,7 @@ public:
     explicit PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_, const Device& device,
                            Scheduler& scheduler, DescriptorPool& descriptor_pool,
                            GuestDescriptorQueue& guest_descriptor_queue,
+                           DescriptorBufferRing& descriptor_buffer_ring,
                            RenderPassCache& render_pass_cache, BufferCache& buffer_cache,
                            TextureCache& texture_cache, VideoCore::ShaderNotify& shader_notify_);
     ~PipelineCache();
@@ -147,6 +148,7 @@ private:
     Scheduler& scheduler;
     DescriptorPool& descriptor_pool;
     GuestDescriptorQueue& guest_descriptor_queue;
+    DescriptorBufferRing& descriptor_buffer_ring;
     RenderPassCache& render_pass_cache;
     BufferCache& buffer_cache;
     TextureCache& texture_cache;

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -203,7 +203,10 @@ RasterizerVulkan::RasterizerVulkan(Core::Frontend::EmuWindow& emu_window_, Tegra
     : gpu{gpu_}, device_memory{device_memory_}, device{device_},
       memory_allocator{memory_allocator_}, state_tracker{state_tracker_}, scheduler{scheduler_},
       staging_pool(device, memory_allocator, scheduler), descriptor_pool(device, scheduler),
-      guest_descriptor_queue(device), compute_pass_descriptor_queue(device),
+      guest_descriptor_queue(device, UpdateDescriptorQueue::GUEST_FRAME_PAYLOAD_SIZE,
+                             device.IsExtDescriptorBufferSupported()),
+      compute_pass_descriptor_queue(device, UpdateDescriptorQueue::COMPUTE_FRAME_PAYLOAD_SIZE),
+      descriptor_buffer_ring(device, memory_allocator),
       blit_image(device, scheduler, state_tracker, descriptor_pool), render_pass_cache(device),
       texture_cache_runtime{
           device,     scheduler,         memory_allocator, staging_pool,
@@ -216,7 +219,8 @@ RasterizerVulkan::RasterizerVulkan(Core::Frontend::EmuWindow& emu_window_, Tegra
                           staging_pool, compute_pass_descriptor_queue, descriptor_pool, texture_cache),
       query_cache(gpu, *this, device_memory, query_cache_runtime),
       pipeline_cache(device_memory, device, scheduler, descriptor_pool, guest_descriptor_queue,
-                     render_pass_cache, buffer_cache, texture_cache, gpu.ShaderNotify()),
+                     descriptor_buffer_ring, render_pass_cache, buffer_cache, texture_cache,
+                     gpu.ShaderNotify()),
       accelerate_dma(buffer_cache, texture_cache, scheduler),
       fence_manager(*this, gpu, texture_cache, buffer_cache, query_cache, device, scheduler),
       wfi_event(device.GetLogical().CreateEvent()) {
@@ -583,7 +587,10 @@ void RasterizerVulkan::DispatchCompute() {
         return;
     }
     std::scoped_lock lock{texture_cache.mutex, buffer_cache.mutex};
-    pipeline->Configure(*kepler_compute, *gpu_memory, scheduler, buffer_cache, texture_cache);
+    if (!pipeline->Configure(*kepler_compute, *gpu_memory, scheduler, buffer_cache,
+                             texture_cache)) {
+        return;
+    }
 
     const auto& qmd{kepler_compute->launch_description};
     auto indirect_address = kepler_compute->GetIndirectComputeAddress();
@@ -882,6 +889,7 @@ void RasterizerVulkan::TickFrame() {
     draw_counter = 0;
     guest_descriptor_queue.TickFrame();
     compute_pass_descriptor_queue.TickFrame();
+    descriptor_buffer_ring.TickFrame();
     fence_manager.TickFrame();
     staging_pool.TickFrame();
     {

src/video_core/renderer_vulkan/vk_rasterizer.h

@@ -17,6 +17,7 @@
 #include "video_core/rasterizer_interface.h"
 #include "video_core/renderer_vulkan/blit_image.h"
 #include "video_core/renderer_vulkan/vk_buffer_cache.h"
+#include "video_core/renderer_vulkan/vk_descriptor_buffer.h"
 #include "video_core/renderer_vulkan/vk_descriptor_pool.h"
 #include "video_core/renderer_vulkan/vk_fence_manager.h"
 #include "video_core/renderer_vulkan/vk_pipeline_cache.h"
@@ -207,6 +208,7 @@ private:
     DescriptorPool descriptor_pool;
     GuestDescriptorQueue guest_descriptor_queue;
     ComputePassDescriptorQueue compute_pass_descriptor_queue;
+    DescriptorBufferRing descriptor_buffer_ring;
     BlitImageHelper blit_image;
     RenderPassCache render_pass_cache;
 

src/video_core/renderer_vulkan/vk_resource_pool.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -12,10 +15,7 @@ ResourcePool::ResourcePool(MasterSemaphore& master_semaphore_, size_t grow_step_
     : master_semaphore{&master_semaphore_}, grow_step{grow_step_} {}
 
 size_t ResourcePool::CommitResource() {
-    // Refresh semaphore to query updated results
-    master_semaphore->Refresh();
-    const u64 gpu_tick = master_semaphore->KnownGpuTick();
-    const auto search = [this, gpu_tick](size_t begin, size_t end) -> std::optional<size_t> {
+    const auto search = [this](size_t begin, size_t end, u64 gpu_tick) -> std::optional<size_t> {
         for (size_t iterator = begin; iterator < end; ++iterator) {
             if (gpu_tick >= ticks[iterator]) {
                 ticks[iterator] = master_semaphore->CurrentTick();
@@ -24,11 +24,17 @@ size_t ResourcePool::CommitResource() {
         }
         return std::nullopt;
     };
-    // Try to find a free resource from the hinted position to the end.
-    std::optional<size_t> found = search(hint_iterator, ticks.size());
+    const auto find_free = [&](u64 gpu_tick) -> std::optional<size_t> {
+        std::optional<size_t> result = search(hint_iterator, ticks.size(), gpu_tick);
+        if (!result) {
+            result = search(0, hint_iterator, gpu_tick);
+        }
+        return result;
+    };
+    std::optional<size_t> found = find_free(master_semaphore->KnownGpuTick());
     if (!found) {
-        // Search from beginning to the hinted position.
-        found = search(0, hint_iterator);
+        master_semaphore->Refresh();
+        found = find_free(master_semaphore->KnownGpuTick());
         if (!found) {
             // Both searches failed, the pool is full; handle it.
             const size_t free_resource = ManageOverflow();

src/video_core/renderer_vulkan/vk_scheduler.cpp

@@ -247,6 +247,15 @@ bool Scheduler::UpdateRescaling(bool is_rescaling) {
     return true;
 }
 
+bool Scheduler::UpdateDescriptorBufferChunk(u32 descriptor_chunk) {
+    if (state.descriptor_buffer_bound && descriptor_chunk == state.descriptor_buffer_chunk) {
+        return false;
+    }
+    state.descriptor_buffer_bound = true;
+    state.descriptor_buffer_chunk = descriptor_chunk;
+    return true;
+}
+
 void Scheduler::WorkerThread(std::stop_token stop_token) {
     Common::SetCurrentThreadName("VulkanWorker");
 
@@ -369,6 +378,7 @@ void Scheduler::AllocateNewContext() {
 void Scheduler::InvalidateState() {
     state.graphics_pipeline = nullptr;
     state.rescaling_defined = false;
+    state.descriptor_buffer_bound = false;
     state_tracker.InvalidateCommandBufferState();
 }
 

src/video_core/renderer_vulkan/vk_scheduler.h

@@ -80,6 +80,9 @@ public:
     /// Update the rescaling state. Returns true if the state has to be updated.
     bool UpdateRescaling(bool is_rescaling);
 
+    /// Returns true when the descriptor buffer chunk has to be bound into the command buffer.
+    bool UpdateDescriptorBufferChunk(u32 descriptor_chunk);
+
     /// Invalidates current command buffer state except for render passes
     void InvalidateState();
 
@@ -255,6 +258,8 @@ private:
         bool is_rescaling = false;
         bool rescaling_defined = false;
         bool needs_state_enable_refresh = false;
+        u32 descriptor_buffer_chunk = 0;
+        bool descriptor_buffer_bound = false;
     };
 
     struct DeferredClear {

src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp

@@ -84,10 +84,16 @@ StagingBufferPool::StagingBufferPool(const Device& device_, MemoryAllocator& mem
     if (device.IsExtTransformFeedbackSupported()) {
         stream_ci.usage |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
     }
+    if (device.IsBufferDeviceAddressSupported()) {
+        stream_ci.usage |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
+    }
     stream_buffer = memory_allocator.CreateBuffer(stream_ci, MemoryUsage::Stream);
     if (device.HasDebuggingToolAttached()) {
         stream_buffer.SetObjectNameEXT("Stream Buffer");
     }
+    if (device.IsBufferDeviceAddressSupported()) {
+        stream_buffer_address = device.GetLogical().GetBufferDeviceAddress(*stream_buffer);
+    }
     stream_pointer = stream_buffer.Mapped();
     ASSERT_MSG(!stream_pointer.empty(), "Stream buffer must be host visible!");
 }
@@ -149,6 +155,7 @@ StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
     iterator = Common::AlignUp(iterator + size, MAX_ALIGNMENT);
     return StagingBufferRef{
         .buffer = *stream_buffer,
+        .device_address = stream_buffer_address,
         .offset = static_cast<VkDeviceSize>(offset),
         .mapped_span = stream_pointer.subspan(offset, size),
         .usage{},
@@ -212,14 +219,22 @@ StagingBufferRef StagingBufferPool::CreateStagingBuffer(size_t size, MemoryUsage
     if (device.IsExtTransformFeedbackSupported()) {
         buffer_ci.usage |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
     }
+    if (device.IsBufferDeviceAddressSupported()) {
+        buffer_ci.usage |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
+    }
     vk::Buffer buffer = memory_allocator.CreateBuffer(buffer_ci, usage);
     if (device.HasDebuggingToolAttached()) {
         ++buffer_index;
         buffer.SetObjectNameEXT(fmt::format("Staging Buffer {}", buffer_index).c_str());
     }
     const std::span<u8> mapped_span = buffer.Mapped();
+    const VkDeviceAddress buffer_address =
+        device.IsBufferDeviceAddressSupported()
+            ? device.GetLogical().GetBufferDeviceAddress(*buffer)
+            : VkDeviceAddress{};
     StagingBuffer& entry = GetCache(usage)[log2_size].entries.emplace_back(StagingBuffer{
         .buffer = std::move(buffer),
+        .device_address = buffer_address,
         .mapped_span = mapped_span,
         .usage = usage,
         .log2_level = log2_size,

src/video_core/renderer_vulkan/vk_staging_buffer_pool.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -18,6 +21,7 @@ class Scheduler;
 
 struct StagingBufferRef {
     VkBuffer buffer;
+    VkDeviceAddress device_address;
     VkDeviceSize offset;
     std::span<u8> mapped_span;
     MemoryUsage usage;
@@ -50,6 +54,7 @@ private:
 
     struct StagingBuffer {
         vk::Buffer buffer;
+        VkDeviceAddress device_address;
         std::span<u8> mapped_span;
         MemoryUsage usage;
         u32 log2_level;
@@ -60,6 +65,7 @@ private:
         StagingBufferRef Ref() const noexcept {
             return {
                 .buffer = *buffer,
+                .device_address = device_address,
                 .offset = 0,
                 .mapped_span = mapped_span,
                 .usage = usage,
@@ -103,6 +109,7 @@ private:
     Scheduler& scheduler;
 
     vk::Buffer stream_buffer;
+    VkDeviceAddress stream_buffer_address{};
     std::span<u8> stream_pointer;
     VkDeviceSize stream_buffer_size;
     VkDeviceSize region_size;

src/video_core/renderer_vulkan/vk_update_descriptor.cpp

@@ -16,8 +16,11 @@
 
 namespace Vulkan {
 
-UpdateDescriptorQueue::UpdateDescriptorQueue(const Device& device_)
-    : device{device_}
+UpdateDescriptorQueue::UpdateDescriptorQueue(const Device& device_, size_t frame_payload_size_,
+                                             bool supports_descriptor_buffer_)
+    : device{device_}, frame_payload_size{frame_payload_size_},
+      supports_descriptor_buffer{supports_descriptor_buffer_},
+      payload(frame_payload_size_ * FRAMES_IN_FLIGHT)
 {
     payload_start = payload.data();
     payload_cursor = payload.data();
@@ -29,19 +32,21 @@ void UpdateDescriptorQueue::TickFrame() {
     if (++frame_index >= FRAMES_IN_FLIGHT) {
         frame_index = 0;
     }
-    payload_start = payload.data() + frame_index * FRAME_PAYLOAD_SIZE;
+    payload_start = payload.data() + frame_index * frame_payload_size;
     payload_cursor = payload_start;
 }
 
-void UpdateDescriptorQueue::Acquire(Scheduler& scheduler, size_t required_entries) {
+void UpdateDescriptorQueue::Acquire(Scheduler& scheduler, size_t required_entries,
+                                    bool use_descriptor_buffer_) {
+    use_descriptor_buffer = supports_descriptor_buffer && use_descriptor_buffer_;
     static constexpr size_t DEFAULT_REQUIRED_ENTRIES = 0x400;
     const size_t reserve = required_entries > 0 ? required_entries : DEFAULT_REQUIRED_ENTRIES;
-    ASSERT_MSG(reserve < FRAME_PAYLOAD_SIZE, "Descriptor reservation {} >= frame capacity {}",
-               reserve, FRAME_PAYLOAD_SIZE);
+    ASSERT_MSG(reserve < frame_payload_size, "Descriptor reservation {} >= frame capacity {}",
+               reserve, frame_payload_size);
     const size_t used = static_cast<size_t>(std::distance(payload_start, payload_cursor));
-    if (used + reserve >= FRAME_PAYLOAD_SIZE) {
+    if (used + reserve >= frame_payload_size) {
         LOG_WARNING(Render_Vulkan, "Payload overflow (used={}, reserve={}, capacity={})",
-                    used, reserve, FRAME_PAYLOAD_SIZE);
+                    used, reserve, frame_payload_size);
         scheduler.WaitWorker();
         payload_cursor = payload_start;
     }

src/video_core/renderer_vulkan/vk_update_descriptor.h

@@ -6,8 +6,8 @@
 
 #pragma once
 
-#include <array>
 #include <variant>
+#include <vector>
 #include "video_core/vulkan_common/vulkan_wrapper.h"
 
 namespace Vulkan {
@@ -15,30 +15,45 @@ namespace Vulkan {
 class Device;
 class Scheduler;
 
+struct DescriptorAddress {
+    VkDeviceAddress address;
+    VkDeviceSize range;
+    VkFormat format;
+};
+
 union DescriptorUpdateEntry {
     DescriptorUpdateEntry() = default;
     DescriptorUpdateEntry(VkDescriptorImageInfo image_) : image{image_} {}
     DescriptorUpdateEntry(VkDescriptorBufferInfo buffer_) : buffer{buffer_} {}
     DescriptorUpdateEntry(VkBufferView texel_buffer_) : texel_buffer{texel_buffer_} {}
+    DescriptorUpdateEntry(DescriptorAddress address_) : address{address_} {}
     std::monostate empty{};
     VkDescriptorImageInfo image;
     VkDescriptorBufferInfo buffer;
     VkBufferView texel_buffer;
+    DescriptorAddress address;
 };
 
 class UpdateDescriptorQueue final {
     // This should be plenty for the vast majority of cases. Most desktop platforms only
     // provide up to 3 swapchain images.
     static constexpr size_t FRAMES_IN_FLIGHT = 8;
-    static constexpr size_t FRAME_PAYLOAD_SIZE = 0x20000;
-    static constexpr size_t PAYLOAD_SIZE = FRAME_PAYLOAD_SIZE * FRAMES_IN_FLIGHT;
 
 public:
-    explicit UpdateDescriptorQueue(const Device& device_);
+    static constexpr size_t GUEST_FRAME_PAYLOAD_SIZE = 0x80000;
+    static constexpr size_t COMPUTE_FRAME_PAYLOAD_SIZE = 0x20000;
+
+    explicit UpdateDescriptorQueue(const Device& device_, size_t frame_payload_size_,
+                                   bool supports_descriptor_buffer_ = false);
     ~UpdateDescriptorQueue();
 
+    [[nodiscard]] bool UsesDescriptorBuffer() const noexcept {
+        return use_descriptor_buffer;
+    }
+
     void TickFrame();
-    void Acquire(Scheduler& scheduler, size_t required_entries = 0);
+    void Acquire(Scheduler& scheduler, size_t required_entries = 0,
+                 bool use_descriptor_buffer_ = false);
 
     const DescriptorUpdateEntry* UpdateData() const noexcept {
         return upload_start;
@@ -68,17 +83,46 @@ public:
         };
     }
 
+    void AddBuffer(VkBuffer buffer, VkDeviceAddress base_address, VkDeviceSize offset,
+                   VkDeviceSize size) {
+        if (!use_descriptor_buffer) {
+            AddBuffer(buffer, offset, size);
+            return;
+        }
+        *(payload_cursor++) = DescriptorAddress{
+            .address = base_address == 0 ? 0 : base_address + offset,
+            .range = base_address == 0 ? VK_WHOLE_SIZE : size,
+            .format = VK_FORMAT_UNDEFINED,
+        };
+    }
+
     void AddTexelBuffer(VkBufferView texel_buffer) {
         *(payload_cursor++) = texel_buffer;
     }
 
+    void AddTexelBuffer(VkBufferView texel_buffer, VkDeviceAddress base_address,
+                        VkDeviceSize offset, VkDeviceSize size, VkFormat format) {
+        if (!use_descriptor_buffer) {
+            AddTexelBuffer(texel_buffer);
+            return;
+        }
+        *(payload_cursor++) = DescriptorAddress{
+            .address = base_address == 0 ? 0 : base_address + offset,
+            .range = base_address == 0 ? VK_WHOLE_SIZE : size,
+            .format = format,
+        };
+    }
+
 private:
     const Device& device;
+    const size_t frame_payload_size;
+    const bool supports_descriptor_buffer;
+    bool use_descriptor_buffer{false};
     size_t frame_index{0};
     DescriptorUpdateEntry* payload_cursor = nullptr;
     DescriptorUpdateEntry* payload_start = nullptr;
     const DescriptorUpdateEntry* upload_start = nullptr;
-    std::array<DescriptorUpdateEntry, PAYLOAD_SIZE> payload;
+    std::vector<DescriptorUpdateEntry> payload;
 };
 
 // TODO: should these be separate classes instead?

src/video_core/vulkan_common/vulkan_device.cpp

@@ -506,6 +506,8 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
     if (is_qualcomm) {
         must_emulate_scaled_formats = true;
         LOG_WARNING(Render_Vulkan, "Qualcomm drivers require scaled vertex format emulation.");
+        has_broken_descriptor_aliasing = true;
+        LOG_WARNING(Render_Vulkan, "Qualcomm drivers have broken descriptor aliasing.");
         LOG_WARNING(Render_Vulkan, "Qualcomm drivers have broken custom border color.");
         RemoveExtensionFeature(extensions.custom_border_color, features.custom_border_color,
                                VK_EXT_CUSTOM_BORDER_COLOR_EXTENSION_NAME);
@@ -713,6 +715,37 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
         RemoveExtensionFeature(extensions.vertex_input_dynamic_state, features.vertex_input_dynamic_state, VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME);
     }
 
+    // Descriptors feature list
+    {
+        auto& descriptor_indexing = features.descriptor_indexing;
+        descriptor_indexing.shaderInputAttachmentArrayDynamicIndexing = false;
+        descriptor_indexing.shaderUniformTexelBufferArrayDynamicIndexing = false;
+        descriptor_indexing.shaderStorageTexelBufferArrayDynamicIndexing = false;
+        descriptor_indexing.shaderUniformBufferArrayNonUniformIndexing = false;
+        descriptor_indexing.shaderStorageBufferArrayNonUniformIndexing = false;
+        descriptor_indexing.shaderInputAttachmentArrayNonUniformIndexing = false;
+        descriptor_indexing.descriptorBindingUniformBufferUpdateAfterBind = false;
+        descriptor_indexing.descriptorBindingSampledImageUpdateAfterBind = false;
+        descriptor_indexing.descriptorBindingStorageImageUpdateAfterBind = false;
+        descriptor_indexing.descriptorBindingStorageBufferUpdateAfterBind = false;
+        descriptor_indexing.descriptorBindingUniformTexelBufferUpdateAfterBind = false;
+        descriptor_indexing.descriptorBindingStorageTexelBufferUpdateAfterBind = false;
+        descriptor_indexing.descriptorBindingUpdateUnusedWhilePending = false;
+        descriptor_indexing.descriptorBindingVariableDescriptorCount = false;
+        descriptor_indexing.runtimeDescriptorArray = false;
+    }
+
+    // VK_EXT_descriptor_buffer requires VK_KHR_buffer_device_address
+    if (extensions.descriptor_buffer && !features.buffer_device_address.bufferDeviceAddress) {
+        LOG_WARNING(Render_Vulkan, "Descriptor buffer needs buffer device address, disabling.");
+        RemoveExtensionFeature(extensions.descriptor_buffer, features.descriptor_buffer,
+                               VK_EXT_DESCRIPTOR_BUFFER_EXTENSION_NAME);
+    }
+    if (!extensions.descriptor_buffer) {
+        RemoveExtensionFeature(extensions.buffer_device_address, features.buffer_device_address,
+                               VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME);
+    }
+
     logical = vk::Device::Create(physical, queue_cis, ExtensionListForVulkan(loaded_extensions), first_next, dld);
 
     graphics_queue = logical.GetQueue(graphics_family);
@@ -726,6 +759,9 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
     if (extensions.memory_budget) {
         flags |= VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT;
     }
+    if (extensions.buffer_device_address) {
+        flags |= VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT;
+    }
     const VmaAllocatorCreateInfo allocator_info{
             .flags = flags,
             .physicalDevice = physical,
@@ -972,6 +1008,10 @@ bool Device::GetSuitability(bool requires_swapchain) {
         CHECK_EXTENSION(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
     }
 
+    if (instance_version < VK_API_VERSION_1_2) {
+        CHECK_EXTENSION(VK_EXT_DESCRIPTOR_INDEXING_EXTENSION_NAME);
+    }
+
 #undef LOG_EXTENSION
 #undef CHECK_EXTENSION
 
@@ -1082,6 +1122,11 @@ bool Device::GetSuitability(bool requires_swapchain) {
             VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PUSH_DESCRIPTOR_PROPERTIES_KHR;
         SetNext(next, properties.push_descriptor);
     }
+    if (extensions.descriptor_buffer) {
+        properties.descriptor_buffer.sType =
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_BUFFER_PROPERTIES_EXT;
+        SetNext(next, properties.descriptor_buffer);
+    }
     if (extensions.subgroup_size_control || features.subgroup_size_control.subgroupSizeControl) {
         properties.subgroup_size_control.sType =
             VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_SIZE_CONTROL_PROPERTIES;
@@ -1213,6 +1258,11 @@ void Device::RemoveUnsuitableExtensions() {
     RemoveExtensionFeatureIfUnsuitable(extensions.depth_clip_control, features.depth_clip_control,
                                        VK_EXT_DEPTH_CLIP_CONTROL_EXTENSION_NAME);
 
+    // VK_EXT_descriptor_buffer
+    extensions.descriptor_buffer = features.descriptor_buffer.descriptorBuffer;
+    RemoveExtensionFeatureIfUnsuitable(extensions.descriptor_buffer, features.descriptor_buffer,
+                                       VK_EXT_DESCRIPTOR_BUFFER_EXTENSION_NAME);
+
     // VK_EXT_extended_dynamic_state
     extensions.extended_dynamic_state = features.extended_dynamic_state.extendedDynamicState;
     RemoveExtensionFeatureIfUnsuitable(extensions.extended_dynamic_state,

src/video_core/vulkan_common/vulkan_device.h

@@ -36,6 +36,7 @@ VK_DEFINE_HANDLE(VmaAllocator)
     FEATURE(EXT, DescriptorIndexing, DESCRIPTOR_INDEXING, descriptor_indexing)                     \
     FEATURE(EXT, HostQueryReset, HOST_QUERY_RESET, host_query_reset)                               \
     FEATURE(KHR, 8BitStorage, 8BIT_STORAGE, bit8_storage)                                          \
+    FEATURE(KHR, BufferDeviceAddress, BUFFER_DEVICE_ADDRESS, buffer_device_address)                \
     FEATURE(KHR, TimelineSemaphore, TIMELINE_SEMAPHORE, timeline_semaphore)
 
 #define FOR_EACH_VK_FEATURE_1_3(FEATURE)                                                           \
@@ -55,6 +56,7 @@ VK_DEFINE_HANDLE(VmaAllocator)
     FEATURE(EXT, CustomBorderColor, CUSTOM_BORDER_COLOR, custom_border_color)                      \
     FEATURE(EXT, DepthBiasControl, DEPTH_BIAS_CONTROL, depth_bias_control)                         \
     FEATURE(EXT, DepthClipControl, DEPTH_CLIP_CONTROL, depth_clip_control)                         \
+    FEATURE(EXT, DescriptorBuffer, DESCRIPTOR_BUFFER, descriptor_buffer)                           \
     FEATURE(EXT, ExtendedDynamicState, EXTENDED_DYNAMIC_STATE, extended_dynamic_state)             \
     FEATURE(EXT, ExtendedDynamicState2, EXTENDED_DYNAMIC_STATE_2, extended_dynamic_state2)         \
     FEATURE(EXT, ExtendedDynamicState3, EXTENDED_DYNAMIC_STATE_3, extended_dynamic_state3)         \
@@ -175,6 +177,8 @@ VK_DEFINE_HANDLE(VmaAllocator)
     FEATURE_NAME(depth_bias_control, depthBiasControl)                                             \
     FEATURE_NAME(depth_bias_control, leastRepresentableValueForceUnormRepresentation)              \
     FEATURE_NAME(depth_bias_control, depthBiasExact)                                               \
+    FEATURE_NAME(descriptor_indexing, descriptorBindingPartiallyBound)                             \
+    FEATURE_NAME(descriptor_indexing, shaderSampledImageArrayNonUniformIndexing)                   \
     FEATURE_NAME(extended_dynamic_state, extendedDynamicState)                                     \
     FEATURE_NAME(format_a4b4g4r4, formatA4B4G4R4)                                                  \
     FEATURE_NAME(robust_image_access, robustImageAccess)                                           \
@@ -383,7 +387,7 @@ FN_MAX_LIMIT_LIST
 
     /// Returns true if descriptor aliasing is natively supported.
     bool IsDescriptorAliasingSupported() const {
-        return GetDriverID() != VK_DRIVER_ID_QUALCOMM_PROPRIETARY;
+        return !has_broken_descriptor_aliasing;
     }
 
     bool IsSampledImageArrayNonUniformIndexingSupported() const {
@@ -466,6 +470,26 @@ FN_MAX_LIMIT_LIST
         return properties.push_descriptor.maxPushDescriptors;
     }
 
+    /// Returns true if robust buffer access is enabled on the device.
+    bool IsRobustBufferAccessEnabled() const {
+        return features.features.robustBufferAccess == VK_TRUE;
+    }
+
+    /// Returns true if the device supports descriptor buffers.
+    bool IsExtDescriptorBufferSupported() const {
+        return extensions.descriptor_buffer;
+    }
+
+    /// Returns the descriptor buffer properties of the device.
+    const VkPhysicalDeviceDescriptorBufferPropertiesEXT& DescriptorBufferProperties() const {
+        return properties.descriptor_buffer;
+    }
+
+    /// Returns true if the device supports buffer device address.
+    bool IsBufferDeviceAddressSupported() const {
+        return extensions.buffer_device_address;
+    }
+
     /// Returns true if formatless image load is supported.
     bool IsFormatlessImageLoadSupported() const {
         return features.features.shaderStorageImageReadWithoutFormat;
@@ -818,6 +842,11 @@ FN_MAX_LIMIT_LIST
         return extensions.astc_decode_mode;
     }
 
+    /// Returns true if descriptor bindings is partially bound.
+    bool IsDescriptorBindingPartiallyBoundSupported() const {
+        return features.descriptor_indexing.descriptorBindingPartiallyBound;
+    }
+
     bool HasTimelineSemaphore() const;
 
     /// Returns true if the device supports VK_KHR_synchronization2.
@@ -1109,6 +1138,7 @@ private:
         VkPhysicalDeviceSubgroupProperties subgroup_properties{};
         VkPhysicalDeviceFloatControlsProperties float_controls{};
         VkPhysicalDevicePushDescriptorPropertiesKHR push_descriptor{};
+        VkPhysicalDeviceDescriptorBufferPropertiesEXT descriptor_buffer{};
         VkPhysicalDeviceSubgroupSizeControlProperties subgroup_size_control{};
         VkPhysicalDeviceTransformFeedbackPropertiesEXT transform_feedback{};
         VkPhysicalDeviceMaintenance5PropertiesKHR maintenance5{};
@@ -1133,6 +1163,7 @@ private:
     bool is_non_gpu{};                         ///< Is SoftwareRasterizer, FPGA, non-GPU device.
     bool has_broken_compute{};                 ///< Compute shaders can cause crashes
     bool has_broken_cube_compatibility{};      ///< Has broken cube compatibility bit
+    bool has_broken_descriptor_aliasing{};     ///< Miscompiles descriptors aliased on one binding
     bool has_broken_parallel_compiling{};      ///< Has broken parallel shader compiling.
     bool has_renderdoc{};                      ///< Has RenderDoc attached
     bool has_nsight_graphics{};                ///< Has Nsight Graphics attached

src/video_core/vulkan_common/vulkan_wrapper.cpp

@@ -237,6 +237,12 @@ void Load(VkDevice device, DeviceDispatch& dld) noexcept {
     X(vkUnmapMemory);
     X(vkUpdateDescriptorSetWithTemplate);
     X(vkUpdateDescriptorSets);
+    X(vkGetBufferDeviceAddress);
+    X(vkGetDescriptorSetLayoutSizeEXT);
+    X(vkGetDescriptorSetLayoutBindingOffsetEXT);
+    X(vkGetDescriptorEXT);
+    X(vkCmdBindDescriptorBuffersEXT);
+    X(vkCmdSetDescriptorBufferOffsetsEXT);
     X(vkWaitForFences);
     X(vkWaitSemaphores);
 

src/video_core/vulkan_common/vulkan_wrapper.h

@@ -352,6 +352,12 @@ struct DeviceDispatch : InstanceDispatch {
     PFN_vkSetDebugUtilsObjectTagEXT vkSetDebugUtilsObjectTagEXT{};
     PFN_vkUnmapMemory vkUnmapMemory{};
     PFN_vkUpdateDescriptorSetWithTemplate vkUpdateDescriptorSetWithTemplate{};
+    PFN_vkGetBufferDeviceAddress vkGetBufferDeviceAddress{};
+    PFN_vkGetDescriptorSetLayoutSizeEXT vkGetDescriptorSetLayoutSizeEXT{};
+    PFN_vkGetDescriptorSetLayoutBindingOffsetEXT vkGetDescriptorSetLayoutBindingOffsetEXT{};
+    PFN_vkGetDescriptorEXT vkGetDescriptorEXT{};
+    PFN_vkCmdBindDescriptorBuffersEXT vkCmdBindDescriptorBuffersEXT{};
+    PFN_vkCmdSetDescriptorBufferOffsetsEXT vkCmdSetDescriptorBufferOffsetsEXT{};
     PFN_vkUpdateDescriptorSets vkUpdateDescriptorSets{};
     PFN_vkWaitForFences vkWaitForFences{};
     PFN_vkWaitSemaphores vkWaitSemaphores{};
@@ -793,6 +799,11 @@ public:
         return !mapped.empty();
     }
 
+    /// Returns true if host writes are visible to the device.
+    bool IsHostCoherent() const noexcept {
+        return is_coherent;
+    }
+
     void Flush() const;
 
     void Invalidate() const;
@@ -1087,6 +1098,34 @@ public:
         dld->vkUpdateDescriptorSetWithTemplate(handle, set, update_template, data);
     }
 
+    [[nodiscard]] VkDeviceAddress GetBufferDeviceAddress(VkBuffer buffer) const noexcept {
+        const VkBufferDeviceAddressInfo info{
+            .sType = VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO,
+            .pNext = nullptr,
+            .buffer = buffer,
+        };
+        return dld->vkGetBufferDeviceAddress(handle, &info);
+    }
+
+    [[nodiscard]] VkDeviceSize GetDescriptorSetLayoutSizeEXT(
+        VkDescriptorSetLayout layout) const noexcept {
+        VkDeviceSize size{};
+        dld->vkGetDescriptorSetLayoutSizeEXT(handle, layout, &size);
+        return size;
+    }
+
+    [[nodiscard]] VkDeviceSize GetDescriptorSetLayoutBindingOffsetEXT(
+        VkDescriptorSetLayout layout, u32 binding) const noexcept {
+        VkDeviceSize offset{};
+        dld->vkGetDescriptorSetLayoutBindingOffsetEXT(handle, layout, binding, &offset);
+        return offset;
+    }
+
+    void GetDescriptorEXT(const VkDescriptorGetInfoEXT& info, size_t size,
+                          void* descriptor) const noexcept {
+        dld->vkGetDescriptorEXT(handle, &info, size, descriptor);
+    }
+
     VkResult AcquireNextImageKHR(VkSwapchainKHR swapchain, u64 timeout, VkSemaphore semaphore,
                                  VkFence fence, u32* image_index) const noexcept {
         return dld->vkAcquireNextImageKHR(handle, swapchain, timeout, semaphore, fence,
@@ -1400,6 +1439,18 @@ public:
         PipelineBarrier(src_stage_mask, dst_stage_mask, dependency_flags, {}, {}, image_barrier);
     }
 
+    void BindDescriptorBuffersEXT(Span<VkDescriptorBufferBindingInfoEXT> bindings) const noexcept {
+        dld->vkCmdBindDescriptorBuffersEXT(handle, bindings.size(), bindings.data());
+    }
+
+    void SetDescriptorBufferOffsetsEXT(VkPipelineBindPoint bind_point, VkPipelineLayout layout,
+                                       u32 first_set, Span<u32> buffer_indices,
+                                       Span<VkDeviceSize> offsets) const noexcept {
+        dld->vkCmdSetDescriptorBufferOffsetsEXT(handle, bind_point, layout, first_set,
+                                                buffer_indices.size(), buffer_indices.data(),
+                                                offsets.data());
+    }
+
     void CopyBufferToImage(VkBuffer src_buffer, VkImage dst_image, VkImageLayout dst_image_layout,
                            Span<VkBufferImageCopy> regions) const noexcept {
         dld->vkCmdCopyBufferToImage(handle, src_buffer, dst_image, dst_image_layout, regions.size(),