gl_buffer_cache: Drop interop based parameter buffer workarounds
Sacrify runtime performance to avoid generating kernel exceptions on Windows due to our abusive aliasing of interop buffer objects.
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2b95c137ff
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3da87d3f12
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@ -91,7 +91,7 @@ class BufferCache {
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};
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public:
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static constexpr size_t SKIP_CACHE_SIZE = 4096;
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static constexpr u32 SKIP_CACHE_SIZE = 4096;
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explicit BufferCache(VideoCore::RasterizerInterface& rasterizer_,
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Tegra::Engines::Maxwell3D& maxwell3d_,
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@ -671,7 +671,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
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const VAddr cpu_addr = binding.cpu_addr;
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const u32 size = binding.size;
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Buffer& buffer = slot_buffers[binding.buffer_id];
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if (size <= runtime.SkipCacheSize() && !buffer.IsRegionGpuModified(cpu_addr, size)) {
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if (size <= SKIP_CACHE_SIZE && !buffer.IsRegionGpuModified(cpu_addr, size)) {
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if constexpr (IS_OPENGL) {
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if (runtime.HasFastBufferSubData()) {
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// Fast path for Nvidia
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@ -36,13 +36,8 @@ Buffer::Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rast
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buffer.Create();
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const std::string name = fmt::format("Buffer 0x{:x}", CpuAddr());
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glObjectLabel(GL_BUFFER, buffer.handle, static_cast<GLsizei>(name.size()), name.data());
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if (runtime.device.UseAssemblyShaders()) {
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CreateMemoryObjects(runtime);
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glNamedBufferStorageMemEXT(buffer.handle, SizeBytes(), memory_commit.ExportOpenGLHandle(),
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memory_commit.Offset());
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} else {
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glNamedBufferData(buffer.handle, SizeBytes(), nullptr, GL_DYNAMIC_DRAW);
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}
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if (runtime.has_unified_vertex_buffers) {
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glGetNamedBufferParameterui64vNV(buffer.handle, GL_BUFFER_GPU_ADDRESS_NV, &address);
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}
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@ -71,61 +66,33 @@ void Buffer::MakeResident(GLenum access) noexcept {
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glMakeNamedBufferResidentNV(buffer.handle, access);
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}
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GLuint Buffer::SubBuffer(u32 offset) {
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if (offset == 0) {
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return buffer.handle;
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}
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for (const auto& [sub_buffer, sub_offset] : subs) {
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if (sub_offset == offset) {
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return sub_buffer.handle;
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}
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}
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OGLBuffer sub_buffer;
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sub_buffer.Create();
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glNamedBufferStorageMemEXT(sub_buffer.handle, SizeBytes() - offset,
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memory_commit.ExportOpenGLHandle(), memory_commit.Offset() + offset);
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return subs.emplace_back(std::move(sub_buffer), offset).first.handle;
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}
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void Buffer::CreateMemoryObjects(BufferCacheRuntime& runtime) {
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auto& allocator = runtime.vulkan_memory_allocator;
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auto& device = runtime.vulkan_device->GetLogical();
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auto vulkan_buffer = device.CreateBuffer(VkBufferCreateInfo{
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.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.size = SizeBytes(),
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.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
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VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT |
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VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT |
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VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
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VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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.queueFamilyIndexCount = 0,
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.pQueueFamilyIndices = nullptr,
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});
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const VkMemoryRequirements requirements = device.GetBufferMemoryRequirements(*vulkan_buffer);
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memory_commit = allocator->Commit(requirements, Vulkan::MemoryUsage::DeviceLocal);
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}
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BufferCacheRuntime::BufferCacheRuntime(const Device& device_, const Vulkan::Device* vulkan_device_,
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Vulkan::MemoryAllocator* vulkan_memory_allocator_)
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: device{device_}, vulkan_device{vulkan_device_},
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vulkan_memory_allocator{vulkan_memory_allocator_},
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stream_buffer{device.HasFastBufferSubData() ? std::nullopt
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: std::make_optional<StreamBuffer>()} {
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has_fast_buffer_sub_data{device.HasFastBufferSubData()},
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use_assembly_shaders{device.UseAssemblyShaders()},
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has_unified_vertex_buffers{device.HasVertexBufferUnifiedMemory()},
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stream_buffer{has_fast_buffer_sub_data ? std::nullopt : std::make_optional<StreamBuffer>()} {
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GLint gl_max_attributes;
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glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &gl_max_attributes);
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max_attributes = static_cast<u32>(gl_max_attributes);
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use_assembly_shaders = device.UseAssemblyShaders();
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has_unified_vertex_buffers = device.HasVertexBufferUnifiedMemory();
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for (auto& stage_uniforms : fast_uniforms) {
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for (OGLBuffer& buffer : stage_uniforms) {
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buffer.Create();
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glNamedBufferData(buffer.handle, BufferCache::SKIP_CACHE_SIZE, nullptr, GL_STREAM_DRAW);
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}
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}
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for (auto& stage_uniforms : copy_uniforms) {
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for (OGLBuffer& buffer : stage_uniforms) {
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buffer.Create();
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glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
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}
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}
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for (OGLBuffer& buffer : copy_compute_uniforms) {
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buffer.Create();
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glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
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}
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}
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void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer,
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@ -167,8 +134,14 @@ void BufferCacheRuntime::BindVertexBuffer(u32 index, Buffer& buffer, u32 offset,
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void BufferCacheRuntime::BindUniformBuffer(size_t stage, u32 binding_index, Buffer& buffer,
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u32 offset, u32 size) {
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if (use_assembly_shaders) {
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const GLuint sub_buffer = buffer.SubBuffer(offset);
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glBindBufferRangeNV(PABO_LUT[stage], binding_index, sub_buffer, 0,
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GLuint handle;
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if (offset != 0) {
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handle = copy_uniforms[stage][binding_index].handle;
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glCopyNamedBufferSubData(buffer.Handle(), handle, offset, 0, size);
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} else {
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handle = buffer.Handle();
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}
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glBindBufferRangeNV(PABO_LUT[stage], binding_index, handle, 0,
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static_cast<GLsizeiptr>(size));
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} else {
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const GLuint base_binding = device.GetBaseBindings(stage).uniform_buffer;
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@ -181,8 +154,15 @@ void BufferCacheRuntime::BindUniformBuffer(size_t stage, u32 binding_index, Buff
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void BufferCacheRuntime::BindComputeUniformBuffer(u32 binding_index, Buffer& buffer, u32 offset,
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u32 size) {
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if (use_assembly_shaders) {
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glBindBufferRangeNV(GL_COMPUTE_PROGRAM_PARAMETER_BUFFER_NV, binding_index,
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buffer.SubBuffer(offset), 0, static_cast<GLsizeiptr>(size));
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GLuint handle;
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if (offset != 0) {
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handle = copy_compute_uniforms[binding_index].handle;
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glCopyNamedBufferSubData(buffer.Handle(), handle, offset, 0, size);
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} else {
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handle = buffer.Handle();
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}
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glBindBufferRangeNV(GL_COMPUTE_PROGRAM_PARAMETER_BUFFER_NV, binding_index, handle, 0,
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static_cast<GLsizeiptr>(size));
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} else {
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glBindBufferRange(GL_UNIFORM_BUFFER, binding_index, buffer.Handle(),
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static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size));
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@ -39,8 +39,6 @@ public:
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void MakeResident(GLenum access) noexcept;
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[[nodiscard]] GLuint SubBuffer(u32 offset);
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[[nodiscard]] GLuint64EXT HostGpuAddr() const noexcept {
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return address;
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}
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@ -50,13 +48,9 @@ public:
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}
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private:
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void CreateMemoryObjects(BufferCacheRuntime& runtime);
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GLuint64EXT address = 0;
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Vulkan::MemoryCommit memory_commit;
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OGLBuffer buffer;
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GLenum current_residency_access = GL_NONE;
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std::vector<std::pair<OGLBuffer, u32>> subs;
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};
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class BufferCacheRuntime {
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@ -127,7 +121,7 @@ public:
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}
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[[nodiscard]] bool HasFastBufferSubData() const noexcept {
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return device.HasFastBufferSubData();
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return has_fast_buffer_sub_data;
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}
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private:
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@ -140,16 +134,22 @@ private:
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const Device& device;
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const Vulkan::Device* vulkan_device;
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Vulkan::MemoryAllocator* vulkan_memory_allocator;
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std::optional<StreamBuffer> stream_buffer;
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bool has_fast_buffer_sub_data = false;
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bool use_assembly_shaders = false;
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bool has_unified_vertex_buffers = false;
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u32 max_attributes = 0;
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bool use_assembly_shaders = false;
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bool has_unified_vertex_buffers = false;
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std::optional<StreamBuffer> stream_buffer;
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std::array<std::array<OGLBuffer, VideoCommon::NUM_GRAPHICS_UNIFORM_BUFFERS>,
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VideoCommon::NUM_STAGES>
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fast_uniforms;
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std::array<std::array<OGLBuffer, VideoCommon::NUM_GRAPHICS_UNIFORM_BUFFERS>,
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VideoCommon::NUM_STAGES>
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copy_uniforms;
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std::array<OGLBuffer, VideoCommon::NUM_COMPUTE_UNIFORM_BUFFERS> copy_compute_uniforms;
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u32 index_buffer_offset = 0;
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};
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