[chore] license headers

Applies mostly on android devices, should be tested for regressions on other platforms as well just incase.

src/common/settings.h

@@ -545,8 +545,7 @@ struct Values {
 
     SwitchableSetting<bool> fix_bloom_effects{linkage, false, "fix_bloom_effects",
                                                      Category::RendererHacks};
-    SwitchableSetting<bool> force_smaller_buffers{linkage, false, "force_smaller_buffers",
-                                                     Category::RendererHacks};
+
     SwitchableSetting<bool> use_asynchronous_shaders{linkage, false, "use_asynchronous_shaders",
                                                      Category::RendererHacks};
 

src/qt_common/config/shared_translation.cpp

@@ -340,10 +340,6 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QObject* parent)
            tr("Sync to framerate of video playback"),
            tr("Run the game at normal speed during video playback, even when the framerate is "
               "unlocked."));
-    INSERT(Settings,
-           force_smaller_buffers,
-           tr("Force smaller buffers"),
-           tr("Forces buffers to be smaller, may cause reads/writes out of bounds for some games but can fix Out-of-memory errors."));
     INSERT(Settings,
            barrier_feedback_loops,
            tr("Barrier feedback loops"),

src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp

@@ -249,10 +249,12 @@ GraphicsPipeline::GraphicsPipeline(
     GuestDescriptorQueue& guest_descriptor_queue_, 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)} {
+    const std::array<const Shader::Info*, NUM_STAGES>& infos,
+    GraphicsPipeline* base_pipeline_)
+    : key{key_}, base_pipeline{base_pipeline_}, allow_derivatives{base_pipeline_ == nullptr},
+    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)} {
     if (shader_notify) {
         shader_notify->MarkShaderBuilding();
     }
@@ -941,6 +943,18 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
     if (device.IsKhrPipelineExecutablePropertiesEnabled() && Settings::values.renderer_debug.GetValue()) {
         flags |= VK_PIPELINE_CREATE_CAPTURE_STATISTICS_BIT_KHR;
     }
+    VkPipeline base_handle = VK_NULL_HANDLE;
+
+    // First pipeline in a "cluster" allows derivatives
+    if (allow_derivatives) {
+        flags |= VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT;
+    }
+
+    // Children mark themselves as derivatives when base is already built
+    if (base_pipeline != nullptr && base_pipeline->IsBuilt()) {
+        flags |= VK_PIPELINE_CREATE_DERIVATIVE_BIT;
+        base_handle = *base_pipeline->pipeline;
+    }
 
     pipeline = device.GetLogical().CreateGraphicsPipeline(
         {
@@ -961,8 +975,8 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
             .layout = *pipeline_layout,
             .renderPass = render_pass,
             .subpass = 0,
-            .basePipelineHandle = nullptr,
-            .basePipelineIndex = 0,
+            .basePipelineHandle = base_handle,
+            .basePipelineIndex = -1,
         },
         *pipeline_cache);
 

src/video_core/renderer_vulkan/vk_graphics_pipeline.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -79,7 +79,9 @@ public:
         GuestDescriptorQueue& guest_descriptor_queue, 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);
+        const std::array<const Shader::Info*, NUM_STAGES>& infos,
+        GraphicsPipeline* base_pipeline = nullptr);
+
 
     bool HasDynamicVertexInput() const noexcept { return key.state.dynamic_vertex_input; }
     bool SupportsAlphaToCoverage() const noexcept {
@@ -93,6 +95,11 @@ public:
     bool UsesExtendedDynamicState() const noexcept {
         return key.state.extended_dynamic_state != 0;
     }
+
+    [[nodiscard]] const GraphicsPipelineCacheKey& Key() const noexcept {
+        return key;
+    }
+
     GraphicsPipeline& operator=(GraphicsPipeline&&) noexcept = delete;
     GraphicsPipeline(GraphicsPipeline&&) noexcept = delete;
 
@@ -140,6 +147,8 @@ private:
     void Validate();
 
     const GraphicsPipelineCacheKey key;
+    GraphicsPipeline* base_pipeline = nullptr; // non-owning
+    bool allow_derivatives = false;
     Tegra::Engines::Maxwell3D* maxwell3d;
     Tegra::MemoryManager* gpu_memory;
     const Device& device;

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -625,7 +625,16 @@ GraphicsPipeline* PipelineCache::CurrentGraphicsPipelineSlowPath() {
     const auto [pair, is_new]{graphics_cache.try_emplace(graphics_key)};
     auto& pipeline{pair->second};
     if (is_new) {
-        pipeline = CreateGraphicsPipeline();
+        GraphicsPipeline* base = nullptr;
+
+        // Use the current pipeline as a base if shaders match
+        if (current_pipeline) {
+            const auto& base_key = current_pipeline->Key();
+            if (base_key.unique_hashes == graphics_key.unique_hashes) {
+                base = current_pipeline;
+            }
+        }
+        pipeline = CreateGraphicsPipeline(base);
     }
     if (!pipeline) {
         return nullptr;
@@ -657,7 +666,7 @@ GraphicsPipeline* PipelineCache::BuiltPipeline(GraphicsPipeline* pipeline) const
 std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
     ShaderPools& pools, const GraphicsPipelineCacheKey& key,
     std::span<Shader::Environment* const> envs, PipelineStatistics* statistics,
-    bool build_in_parallel) try {
+    bool build_in_parallel, GraphicsPipeline* base_pipeline) try {
     auto hash = key.Hash();
     LOG_INFO(Render_Vulkan, "0x{:016x}", hash);
     size_t env_index{0};
@@ -747,7 +756,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
     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);
+        std::move(modules), infos, base_pipeline);
 
 } catch (const Shader::Exception& exception) {
     auto hash = key.Hash();
@@ -768,16 +777,23 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
 }
 
 std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline() {
+    // Preserve old behaviour, no base pipeline
+    return CreateGraphicsPipeline(nullptr);
+}
+
+std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
+       GraphicsPipeline* base_pipeline) {
     GraphicsEnvironments environments;
     GetGraphicsEnvironments(environments, graphics_key.unique_hashes);
 
     main_pools.ReleaseContents();
-    auto pipeline{
-        CreateGraphicsPipeline(main_pools, graphics_key, environments.Span(), nullptr, true)};
+    auto pipeline{CreateGraphicsPipeline(main_pools, graphics_key, environments.Span(),
+                                         nullptr, true, base_pipeline)};
     if (!pipeline || pipeline_cache_filename.empty()) {
         return pipeline;
     }
-    serialization_thread.QueueWork([this, key = graphics_key, envs = std::move(environments.envs)] {
+    serialization_thread.QueueWork(
+            [this, key = graphics_key, envs = std::move(environments.envs)] {
         boost::container::static_vector<const GenericEnvironment*, Maxwell::MaxShaderProgram>
             env_ptrs;
         for (size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {

src/video_core/renderer_vulkan/vk_pipeline_cache.h

@@ -122,11 +122,12 @@ private:
     [[nodiscard]] GraphicsPipeline* BuiltPipeline(GraphicsPipeline* pipeline) const noexcept;
 
     std::unique_ptr<GraphicsPipeline> CreateGraphicsPipeline();
+    std::unique_ptr<GraphicsPipeline> CreateGraphicsPipeline(GraphicsPipeline* base_pipeline);
 
     std::unique_ptr<GraphicsPipeline> CreateGraphicsPipeline(
         ShaderPools& pools, const GraphicsPipelineCacheKey& key,
         std::span<Shader::Environment* const> envs, PipelineStatistics* statistics,
-        bool build_in_parallel);
+        bool build_in_parallel, GraphicsPipeline* base_pipeline = nullptr);
 
     std::unique_ptr<ComputePipeline> CreateComputePipeline(const ComputePipelineCacheKey& key,
                                                            const ShaderInfo* shader);

src/video_core/renderer_vulkan/vk_query_cache.cpp

@@ -15,7 +15,6 @@
 #include <vector>
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 #include "common/bit_util.h"
-#include "common/settings.h"
 #include "common/common_types.h"
 #include "video_core/engines/draw_manager.h"
 #include "video_core/host1x/gpu_device_memory_manager.h"
@@ -544,9 +543,7 @@ private:
             .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
             .pNext = nullptr,
             .flags = 0,
-            .size = ::Settings::values.force_smaller_buffers.GetValue()
-                ? (SamplesQueryBank::QUERY_SIZE * (1ULL << log_2))
-                : (SamplesQueryBank::QUERY_SIZE * num_needed),
+            .size = SamplesQueryBank::QUERY_SIZE * (1ULL << log_2),
             .usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT |
                      VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
             .sharingMode = VK_SHARING_MODE_EXCLUSIVE,

src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
@@ -14,7 +14,6 @@
 #include "common/assert.h"
 #include "common/bit_util.h"
 #include "common/common_types.h"
-#include "common/settings.h"
 #include "common/literals.h"
 #include "video_core/renderer_vulkan/vk_scheduler.h"
 #include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
@@ -187,7 +186,7 @@ StagingBufferRef StagingBufferPool::CreateStagingBuffer(size_t size, MemoryUsage
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
-        .size = ::Settings::values.force_smaller_buffers.GetValue() ? size : (1ULL << log2),
+        .size = 1ULL << log2,
         .usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
                  VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
                  VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,