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Remove RAM stored mesh data

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Remove RAM stored vertices and indices data. It is now stored only in
GPU memory.
This commit is contained in:
Piotr Krygier committed 2023-09-26 14:15:21 +02:00
1 parent 0ef475e57e
commit 940bc7e512
7 files changed
+39 -112
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graphics/src/vulkan_buffers.c
+10 -43
View File
@@ -13,15 +13,6 @@
#define MAX_VULKAN_BUFFERS_COUNT 1
// // FIXME: Temporary array of vertices, for testing purposes
// const std::vector<Vertex> vertices = {{{-0.5f, -0.5f, 0.0f}, {1.0f, 0.0f, 1.0f}},
// {{0.5f, -0.5f, 0.0f}, {0.0f, 1.0f, 1.0f}},
// {{0.5f, 0.5f, 0.0f}, {0.0f, 0.0f, 1.0f}},
// {{-0.5f, 0.5f, 0.0f}, {1.0f, 0.0f, 1.0f}}};
// // FIXME: Temporary array of vertices, for testing purposes
// std::vector<uint16_t> indices = {0, 1, 2, 2, 3, 0};
/* GPU visible buffer */
struct rse_vulkan_buffer_t g_vertex_buffers[MAX_VULKAN_BUFFERS_COUNT];
struct rse_vulkan_buffer_t g_index_buffers[MAX_VULKAN_BUFFERS_COUNT];
@@ -29,23 +20,6 @@ struct rse_vulkan_buffer_t g_instance_buffers[MAX_VULKAN_BUFFERS_COUNT];
VkCommandPool g_command_pool = VK_NULL_HANDLE;
static uint8_t create_buffer(const VkDeviceSize size,
VkBufferUsageFlags buffer_usage,
VmaMemoryUsage memory_usage,
const VmaAllocationCreateFlags allocation_flags,
struct rse_vulkan_buffer_t* buffer);
static uint8_t copy_buffer(VkBuffer src,
VkBuffer dst,
VkDeviceSize size,
VkDeviceSize dest_offset);
static uint8_t create_command_pools();
static uint8_t create_vertex_buffer();
static uint8_t create_index_buffer();
static uint8_t create_uniform_buffer();
static uint8_t allocate_command_buffers();
/**
* @brief Helper function. Creates a buffer object
*
@@ -57,7 +31,7 @@ static uint8_t allocate_command_buffers();
* @return uint8_t VULKAN_ERROR_NO_ERROR on success. Possible errors:
* VULKAN_ERROR_COMMAND_BUFFER_ALLOCATION_FAILED
*/
uint8_t create_buffer(const VkDeviceSize size,
static uint8_t create_buffer(const VkDeviceSize size,
VkBufferUsageFlags buffer_usage,
VmaMemoryUsage memory_usage,
const VmaAllocationCreateFlags allocation_flags,
@@ -106,7 +80,7 @@ uint8_t create_buffer(const VkDeviceSize size,
* @param size Size of buffer to copy
* @return uint8_t VULKAN_ERROR_NO_ERROR on success. Possible errors:
*/
uint8_t copy_buffer(VkBuffer src, VkBuffer dst, VkDeviceSize size, VkDeviceSize dest_offset)
static uint8_t copy_buffer(VkBuffer src, VkBuffer dst, VkDeviceSize size, VkDeviceSize dest_offset)
{
/* Vulkan buffers can only be copied using command buffers */
VkResult status = VK_FALSE;
@@ -165,7 +139,7 @@ uint8_t copy_buffer(VkBuffer src, VkBuffer dst, VkDeviceSize size, VkDeviceSize
* @return uint8_t VULKAN_ERROR_NO_ERROR on success. Possible errors:
* VULKAN_ERROR_COMMAND_POOL_CREATION_FAILED
*/
uint8_t create_command_pools()
static uint8_t create_command_pools()
{
VkCommandPoolCreateInfo create_info;
@@ -190,7 +164,7 @@ uint8_t create_command_pools()
* VULKAN_ERROR_BUFFER_CREATION_FAILED
* VULKAN_ERROR_VERTEX_BUFFER_MAPPING_FAILED
*/
uint8_t create_vertex_buffer()
static uint8_t create_vertex_buffer()
{
VkDeviceSize buffer_size;
@@ -216,7 +190,7 @@ uint8_t create_vertex_buffer()
* @return uint8_t VULKAN_ERROR_NO_ERROR on success. Possible errors:
* VULKAN_ERROR_BUFFER_CREATION_FAILED
*/
uint8_t create_index_buffer()
static uint8_t create_index_buffer()
{
VkDeviceSize buffer_size;
@@ -235,7 +209,7 @@ uint8_t create_index_buffer()
return VULKAN_ERROR_NO_ERROR;
}
uint8_t createInstanceBuffer()
static uint8_t create_instance_buffer()
{
VkDeviceSize buffer_size;
@@ -261,7 +235,7 @@ uint8_t createInstanceBuffer()
*
* @return uint8_t VULKAN_ERROR_NO_ERROR on success. Possible errors:
*/
uint8_t create_uniform_buffer()
static uint8_t create_uniform_buffer()
{
VkDeviceSize buffer_size = sizeof(struct rse_uniform_buffer_object_t);
@@ -280,7 +254,7 @@ uint8_t create_uniform_buffer()
* @return uint8_t VULKAN_ERROR_NO_ERROR on success. Possible errors:
* VULKAN_ERROR_COMMAND_BUFFER_ALLOCATION_FAILED
*/
uint8_t allocate_command_buffers()
static uint8_t allocate_command_buffers()
{
VkCommandBufferAllocateInfo allocate_info;
@@ -300,10 +274,6 @@ uint8_t allocate_command_buffers()
return VULKAN_ERROR_NO_ERROR;
}
/**
* @brief Update uniform buffers
*
*/
void update_uniform_buffers()
{
struct rse_uniform_buffer_object_t ubo = {};
@@ -336,7 +306,6 @@ uint8_t update_mesh_buffers(const struct rse_vertex_t* vertices,
size_t vertices_num,
size_t indices_num)
{
// void* mapped_data;
struct rse_vulkan_buffer_t staging_buffer;
size_t vertices_size = sizeof(vertices[0]) * vertices_num;
size_t indices_size = sizeof(indices[0]) * indices_num;
@@ -408,7 +377,7 @@ uint8_t update_mesh_instances(struct rse_instance_data_t* instance_data)
}
/**
* @brief Records commands for provided command buffer
* @brief Records commands for provided swapchain framebuffer
*
* @param command_buffer Command buffer, that will hold commands
* @param image_index Image index
@@ -464,8 +433,6 @@ uint8_t record_command_buffer(uint32_t image_index)
VkBuffer vertex_buffers[] = {g_vertex_buffers[i].buffer};
VkBuffer index_buffers = {g_index_buffers[i].buffer};
VkBuffer instance_buffers[] = {g_instance_buffers[i].buffer};
uint16_t* indices = get_mesh_indices(0); /* TODO: We need to take care of ALL meshes */
struct rse_instance_data_t* instances = get_instance_data_for_mesh(0);
/* TODO: Figure out the offset */
vkCmdBindVertexBuffers(command_buffer, 0, 1, vertex_buffers, offsets);
@@ -494,7 +461,7 @@ uint8_t create_buffers()
STATUS_CHECK(create_command_pools());
STATUS_CHECK(create_vertex_buffer());
STATUS_CHECK(create_index_buffer());
STATUS_CHECK(createInstanceBuffer());
STATUS_CHECK(create_instance_buffer());
STATUS_CHECK(create_uniform_buffer());
STATUS_CHECK(allocate_command_buffers());