shader: resolve packed buffer selectors with shared indexed stores

Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>

src/graphics/shader/recompiler/ir/ShaderIR.h

@@ -504,6 +504,7 @@ struct DescriptorSource {
 			uint32_t source = UINT32_MAX;
 			uint32_t stride = 0;
 			uint32_t offset = 0;
+			std::vector<std::pair<uint32_t, uint32_t>> byte_ranges;
 
 			bool operator==(const SelectorRead& other) const = default;
 		};
@@ -514,6 +515,7 @@ struct DescriptorSource {
 		uint32_t table_stride    = 0;
 		uint32_t table_record_bytes = 0;
 		bool     table_scalar = false;
+		bool     indexed_store = false;
 		uint32_t workgroup_axis  = UINT32_MAX;
 		Value    key_count;
 		Value                 selector_first;