Fix instance buffer size

graphics/src/vulkan_buffers.c

@@ -1,5 +1,6 @@
 #include "vulkan_buffers.h"
 
+#include "src/vulkan_commons.h"
 #include "vulkan_errors.h"
 #include "locale_vulkan.h"
 #include "utilities/logger.h"
@@ -11,7 +12,6 @@
 #include <string.h>
 
 #define MAX_VERTEX_BUFFER_SIZE 33554432 /* 32 MB*/
-#define MAX_INSTANCE_BUFFER_SIZE 8192 /* 8 MB*/
 
 /* GPU visible buffer */
 size_t g_vertex_offset = 0;
@@ -99,7 +99,7 @@ static rse_err_t create_instance_buffers()
     size_t iter = 0U;
     VkDeviceSize buffer_size;
 
-    buffer_size = MAX_VERTEX_BUFFER_SIZE;
+    buffer_size = sizeof(struct rse_instance_data_t) * MAX_INSTANCE_NUMBER;
 
     for (iter = 0; iter < MAX_MESH_NUMBER; ++iter) {
         /* Create Instance Buffer */
@@ -250,7 +250,7 @@ rse_err_t rse_add_vertices(uint16_t mesh_id,
     g_vertex_buffer.allocated_size += vertices_size;
 
     /* Fill staging buffer with index data */
-    memset(staging_buffer.allocation_info.pMappedData, 0, MAX_VERTEX_BUFFER_SIZE);
+    memset(staging_buffer.allocation_info.pMappedData, 0, indices_size);
     memcpy(staging_buffer.allocation_info.pMappedData, indices, indices_size);
     copy_buffer(staging_buffer.buffer,
                index_buffer->buffer,
@@ -281,7 +281,7 @@ rse_err_t update_mesh_instances(uint16_t mesh_id, struct rse_instance_data_t* in
     size_t instance_size = sizeof(struct rse_instance_data_t);
 
     /* Creating staging buffer*/
-    STATUS_CHECK(create_buffer(MAX_VERTEX_BUFFER_SIZE,
+    STATUS_CHECK(create_buffer(instance_size,
                                    VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
                                    VMA_MEMORY_USAGE_AUTO_PREFER_HOST,
                                    VMA_ALLOCATION_CREATE_MAPPED_BIT