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video_core: Use sampler IDs instead pointers in the pipeline config

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The previous approach of storing pointers returned by `GetGraphicsSampler`/`GetComputeSampler` caused UB, as these functions can cause reallocation of the sampler slot vector and therefore invalidate the pointers
This commit is contained in:
Wollnashorn 2023-06-16 13:26:44 +02:00
parent a3b7b5b22a
commit 2dc0ff79ec
8 changed files with 68 additions and 23 deletions
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5
src/video_core/renderer_vulkan/pipeline_helper.h
View file

@ -178,7 +178,7 @@ public:
inline void PushImageDescriptors(TextureCache& texture_cache,
GuestDescriptorQueue& guest_descriptor_queue,
const Shader::Info& info, RescalingPushConstant& rescaling,
const Sampler**& samplers,
const VideoCommon::SamplerId*& samplers,
const VideoCommon::ImageViewInOut*& views) {
const u32 num_texture_buffers = Shader::NumDescriptors(info.texture_buffer_descriptors);
const u32 num_image_buffers = Shader::NumDescriptors(info.image_buffer_descriptors);
@ -187,9 +187,10 @@ inline void PushImageDescriptors(TextureCache& texture_cache,
for (const auto& desc : info.texture_descriptors) {
for (u32 index = 0; index < desc.count; ++index) {
const VideoCommon::ImageViewId image_view_id{(views++)->id};
const VideoCommon::SamplerId sampler_id{*(samplers++)};
ImageView& image_view{texture_cache.GetImageView(image_view_id)};
const VkImageView vk_image_view{image_view.Handle(desc.type)};
const Sampler& sampler{**(samplers++)};
const Sampler& sampler{texture_cache.GetSampler(sampler_id)};
const bool use_fallback_sampler{sampler.HasAddedAnisotropy() &&
!image_view.SupportsAnisotropy()};
const VkSampler vk_sampler{use_fallback_sampler ? sampler.HandleWithDefaultAnisotropy()

6
src/video_core/renderer_vulkan/vk_compute_pipeline.cpp
View file

@ -115,7 +115,7 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
static constexpr size_t max_elements = 64;
boost::container::static_vector<VideoCommon::ImageViewInOut, max_elements> views;
boost::container::static_vector<const Sampler*, max_elements> samplers;
boost::container::static_vector<VideoCommon::SamplerId, max_elements> samplers;
const auto& qmd{kepler_compute.launch_description};
const auto& cbufs{qmd.const_buffer_config};
@ -160,7 +160,7 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
const auto handle{read_handle(desc, index)};
views.push_back({handle.first});
Sampler* const sampler = texture_cache.GetComputeSampler(handle.second);
VideoCommon::SamplerId sampler = texture_cache.GetComputeSamplerId(handle.second);
samplers.push_back(sampler);
}
}
@ -192,7 +192,7 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
buffer_cache.BindHostComputeBuffers();
RescalingPushConstant rescaling;
const Sampler** samplers_it{samplers.data()};
const VideoCommon::SamplerId* samplers_it{samplers.data()};
const VideoCommon::ImageViewInOut* views_it{views.data()};
PushImageDescriptors(texture_cache, guest_descriptor_queue, info, rescaling, samplers_it,
views_it);

6
src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
View file

@ -298,7 +298,7 @@ void GraphicsPipeline::AddTransition(GraphicsPipeline* transition) {
template <typename Spec>
void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
std::array<VideoCommon::ImageViewInOut, MAX_IMAGE_ELEMENTS> views;
std::array<const Sampler*, MAX_IMAGE_ELEMENTS> samplers;
std::array<VideoCommon::SamplerId, MAX_IMAGE_ELEMENTS> samplers;
size_t sampler_index{};
size_t view_index{};
@ -367,7 +367,7 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
const auto handle{read_handle(desc, index)};
views[view_index++] = {handle.first};
Sampler* const sampler{texture_cache.GetGraphicsSampler(handle.second)};
VideoCommon::SamplerId sampler{texture_cache.GetGraphicsSamplerId(handle.second)};
samplers[sampler_index++] = sampler;
}
}
@ -453,7 +453,7 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
RescalingPushConstant rescaling;
RenderAreaPushConstant render_area;
const Sampler** samplers_it{samplers.data()};
const VideoCommon::SamplerId* samplers_it{samplers.data()};
const VideoCommon::ImageViewInOut* views_it{views.data()};
const auto prepare_stage{[&](size_t stage) LAMBDA_FORCEINLINE {
buffer_cache.BindHostStageBuffers(stage);