Add checks on texel buffer alignments

src/video_core/renderer_vulkan/vk_buffer_cache.cpp

@@ -133,6 +133,11 @@ VkBufferView Buffer::View(u32 offset, u32 size, VideoCore::Surface::PixelFormat
         offset = 0;
         size = 0;
     }
+    const u32 required =
+        static_cast<u32>(device->TexelBufferAlignment(VideoCore::Surface::BytesPerBlock(format)));
+    const u32 misalign = offset % required;
+    offset -= misalign;
+    size += misalign;
     const auto it{std::ranges::find_if(views, [offset, size, format](const BufferView& view) {
         return offset == view.offset && size == view.size && format == view.format;
     })};

src/video_core/vulkan_common/vulkan_device.cpp

@@ -1112,6 +1112,16 @@ bool Device::GetSuitability(bool requires_swapchain) {
             VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_SIZE_CONTROL_PROPERTIES;
         SetNext(next, properties.subgroup_size_control);
     }
+    properties.texel_buffer_alignment.storageTexelBufferOffsetAlignmentBytes =
+        properties.properties.limits.minTexelBufferOffsetAlignment;
+    properties.texel_buffer_alignment.uniformTexelBufferOffsetAlignmentBytes =
+        properties.properties.limits.minTexelBufferOffsetAlignment;
+    if (features.texel_buffer_alignment.texelBufferAlignment == VK_TRUE ||
+        instance_version >= VK_API_VERSION_1_3) {
+        properties.texel_buffer_alignment.sType =
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TEXEL_BUFFER_ALIGNMENT_PROPERTIES_EXT;
+        SetNext(next, properties.texel_buffer_alignment);
+    }
     if (extensions.transform_feedback) {
         properties.transform_feedback.sType =
             VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_PROPERTIES_EXT;

src/video_core/vulkan_common/vulkan_device.h

@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <algorithm>
 #include <atomic>
 #include <optional>
 #include <set>
@@ -69,6 +70,7 @@ VK_DEFINE_HANDLE(VmaAllocator)
             primitive_topology_list_restart)                                                       \
     FEATURE(EXT, ProvokingVertex, PROVOKING_VERTEX, provoking_vertex)                              \
     FEATURE(EXT, Robustness2, ROBUSTNESS_2, robustness2)                                           \
+    FEATURE(EXT, TexelBufferAlignment, TEXEL_BUFFER_ALIGNMENT, texel_buffer_alignment)             \
     FEATURE(EXT, TransformFeedback, TRANSFORM_FEEDBACK, transform_feedback)                        \
     FEATURE(EXT, VertexInputDynamicState, VERTEX_INPUT_DYNAMIC_STATE, vertex_input_dynamic_state)  \
     FEATURE(KHR, Maintenance5, MAINTENANCE_5, maintenance5)                                        \
@@ -291,6 +293,23 @@ public:
         return properties.properties.apiVersion;
     }
 
+    VkDeviceSize TexelBufferAlignment(u32 texel_size) const {
+        VkDeviceSize texel = texel_size;
+        if (texel % 3 == 0) {
+            texel /= 3;
+        }
+        const auto& limits = properties.texel_buffer_alignment;
+        VkDeviceSize storage = limits.storageTexelBufferOffsetAlignmentBytes;
+        if (limits.storageTexelBufferOffsetSingleTexelAlignment != VK_FALSE) {
+            storage = (std::min)(storage, texel);
+        }
+        VkDeviceSize uniform = limits.uniformTexelBufferOffsetAlignmentBytes;
+        if (limits.uniformTexelBufferOffsetSingleTexelAlignment != VK_FALSE) {
+            uniform = (std::min)(uniform, texel);
+        }
+        return (std::max)((std::max)(storage, uniform), VkDeviceSize{1});
+    }
+
     /// Returns the current driver version provided in Vulkan-formatted version numbers.
     u32 GetDriverVersion() const {
         return properties.properties.driverVersion;
@@ -1161,6 +1180,7 @@ private:
         VkPhysicalDevicePushDescriptorPropertiesKHR push_descriptor{};
         VkPhysicalDeviceDescriptorBufferPropertiesEXT descriptor_buffer{};
         VkPhysicalDeviceSubgroupSizeControlProperties subgroup_size_control{};
+        VkPhysicalDeviceTexelBufferAlignmentProperties texel_buffer_alignment{};
         VkPhysicalDeviceTransformFeedbackPropertiesEXT transform_feedback{};
         VkPhysicalDeviceMaintenance5PropertiesKHR maintenance5{};
         VkPhysicalDeviceDepthStencilResolveProperties depth_stencil_resolve{};