[buffer_cache] Force offsets to 0 on descriptors and use VK_WHOLE_SIZE instead

src/video_core/renderer_vulkan/vk_buffer_cache.h

@@ -167,7 +167,11 @@ public:
 
 private:
     void BindBuffer(VkBuffer buffer, u32 offset, u32 size) {
-        guest_descriptor_queue.AddBuffer(buffer, offset, size);
+        if (buffer == VK_NULL_HANDLE) {
+            guest_descriptor_queue.AddBuffer(buffer, 0, VK_WHOLE_SIZE);
+        } else {
+            guest_descriptor_queue.AddBuffer(buffer, offset, size);
+        }
     }
 
     void ReserveNullBuffer();

src/video_core/vulkan_common/vulkan_device.cpp

@@ -495,7 +495,8 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
         LOG_WARNING(Render_Vulkan, "Qualcomm drivers require scaled vertex format emulation");
         must_emulate_scaled_formats = true;
         LOG_WARNING(Render_Vulkan, "Qualcomm drivers have broken CustomBorderColor.");
-        RemoveExtension(extensions.custom_border_color, VK_EXT_CUSTOM_BORDER_COLOR_EXTENSION_NAME);
+        RemoveExtensionFeature(extensions.custom_border_color, features.custom_border_color,
+                               VK_EXT_CUSTOM_BORDER_COLOR_EXTENSION_NAME);
         LOG_WARNING(Render_Vulkan, "Qualcomm drivers have broken Provoking Vertex.");
         RemoveExtension(extensions.provoking_vertex, VK_EXT_PROVOKING_VERTEX_EXTENSION_NAME);
         LOG_WARNING(Render_Vulkan, "Qualcomm drivers have slow push descriptor implementation.");