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path: root/src/renderer/backends/backend_vulkan.c
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Diffstat (limited to 'src/renderer/backends/backend_vulkan.c')
-rw-r--r--src/renderer/backends/backend_vulkan.c76
1 files changed, 64 insertions, 12 deletions
diff --git a/src/renderer/backends/backend_vulkan.c b/src/renderer/backends/backend_vulkan.c
index c145c1a..a845ebf 100644
--- a/src/renderer/backends/backend_vulkan.c
+++ b/src/renderer/backends/backend_vulkan.c
@@ -10,6 +10,7 @@
#include "backend_vulkan.h"
#include "buf.h"
+#include "darray.h"
#include "maths_types.h"
#include "mem.h"
#include "ral_types.h"
@@ -26,10 +27,12 @@
#define SCREEN_WIDTH 1000
#define SCREEN_HEIGHT 1000
#define VULKAN_QUEUES_COUNT 2
-#define MAX_DESCRIPTOR_SETS 100
+#define MAX_DESCRIPTOR_SETS 10
const char* queue_names[VULKAN_QUEUES_COUNT] = { "GRAPHICS", "TRANSFER" };
+KITC_DECL_TYPED_ARRAY(VkDescriptorSet)
+
typedef struct vulkan_context {
VkInstance instance;
VkAllocationCallbacks* allocator;
@@ -61,6 +64,7 @@ typedef struct vulkan_context {
// Storage
gpu_buffer buffers[1024];
size_t buffer_count;
+ VkDescriptorSet_darray* free_set_queue;
VkDebugUtilsMessengerEXT vk_debugger;
} vulkan_context;
@@ -94,6 +98,7 @@ bool gpu_backend_init(const char* window_name, GLFWwindow* window) {
context.window = window;
context.current_img_index = 0;
context.current_frame = 0;
+ context.free_set_queue = VkDescriptorSet_darray_new(100);
// Create an allocator
size_t temp_arena_size = 1024 * 1024;
@@ -505,6 +510,7 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
pipeline->uniform_pointers =
malloc(description.data_layouts_count * sizeof(desc_set_uniform_buffer));
+ assert(description.data_layouts_count == 1);
for (u32 i = 0; i < description.data_layouts_count; i++) {
shader_data_layout sdl = description.data_layouts[i].shader_data_get_layout(NULL);
@@ -512,6 +518,7 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
VkDescriptorSetLayoutBinding desc_set_bindings[description.data_layouts_count];
// Bindings
+ assert(sdl.bindings_count == 1);
for (u32 j = 0; j < sdl.bindings_count; j++) {
desc_set_bindings[j].binding = j;
desc_set_bindings[j].descriptorCount = 1;
@@ -519,6 +526,7 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
case SHADER_BINDING_BUFFER:
case SHADER_BINDING_BYTES:
desc_set_bindings[j].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+ desc_set_bindings[j].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; // FIXME: dont hardcode
u64 buffer_size = sdl.bindings[j].data.bytes.size;
VkDeviceSize uniform_buf_size = buffer_size;
@@ -531,9 +539,12 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
for (size_t frame_i = 0; frame_i < MAX_FRAMES_IN_FLIGHT; frame_i++) {
buffer_handle uniform_buf_handle =
gpu_buffer_create(buffer_size, CEL_BUFFER_UNIFORM, CEL_BUFFER_FLAG_CPU, NULL);
- buffers[frame_i] = context.buffers[uniform_buf_handle.raw].handle;
+ gpu_buffer created_gpu_buffer = context.buffers[uniform_buf_handle.raw];
+ buffers[frame_i] = created_gpu_buffer.handle;
+ uniform_buf_memorys[frame_i] = created_gpu_buffer.memory;
vkMapMemory(context.device->logical_device, uniform_buf_memorys[frame_i], 0,
uniform_buf_size, 0, &uniform_buf_mem_mappings[frame_i]);
+ // now we have a pointer in unifrom_buf_mem_mappings we can write to
}
desc_set_uniform_buffer uniform_data;
@@ -577,8 +588,8 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
VkPipelineLayoutCreateInfo pipeline_layout_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO
};
- pipeline_layout_create_info.setLayoutCount = 0;
- pipeline_layout_create_info.pSetLayouts = NULL;
+ pipeline_layout_create_info.setLayoutCount = description.data_layouts_count;
+ pipeline_layout_create_info.pSetLayouts = desc_set_layouts;
pipeline_layout_create_info.pushConstantRangeCount = 0;
pipeline_layout_create_info.pPushConstantRanges = NULL;
VK_CHECK(vkCreatePipelineLayout(context.device->logical_device, &pipeline_layout_create_info,
@@ -733,12 +744,12 @@ gpu_cmd_encoder gpu_cmd_encoder_create() {
VkDescriptorPoolSize uniform_pool_size;
uniform_pool_size.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
- uniform_pool_size.descriptorCount = MAX_FRAMES_IN_FLIGHT * MAX_DESCRIPTOR_SETS;
+ uniform_pool_size.descriptorCount = MAX_FRAMES_IN_FLIGHT * MAX_DESCRIPTOR_SETS;
VkDescriptorPoolCreateInfo pool_info = { VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };
pool_info.poolSizeCount = 1;
pool_info.pPoolSizes = &uniform_pool_size;
- pool_info.maxSets = 10000;
+ pool_info.maxSets = 100;
VK_CHECK(vkCreateDescriptorPool(context.device->logical_device, &pool_info, context.allocator,
&encoder.descriptor_pool));
@@ -751,6 +762,8 @@ void gpu_cmd_encoder_destroy(gpu_cmd_encoder* encoder) {
}
void gpu_cmd_encoder_begin(gpu_cmd_encoder encoder) {
+ VK_CHECK(vkResetDescriptorPool(context.device->logical_device, encoder.descriptor_pool, 0));
+
VkCommandBufferBeginInfo begin_info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
VK_CHECK(vkBeginCommandBuffer(encoder.cmd_buffer, &begin_info));
}
@@ -782,6 +795,7 @@ void gpu_cmd_encoder_end_render(gpu_cmd_encoder* encoder) {
gpu_cmd_buffer gpu_cmd_encoder_finish(gpu_cmd_encoder* encoder) {
vkEndCommandBuffer(encoder->cmd_buffer);
+
// TEMP: submit
return (gpu_cmd_buffer){ .cmd_buffer = encoder->cmd_buffer };
}
@@ -800,14 +814,50 @@ void encode_bind_shader_data(gpu_cmd_encoder* encoder, u32 group, shader_data* d
memcpy(ubo.uniform_buf_mem_mappings[context.current_frame], data->data, ubo.size);
VkDescriptorSetAllocateInfo alloc_info = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO };
- alloc_info.descriptorPool =encoder->descriptor_pool;
+ alloc_info.descriptorPool = encoder->descriptor_pool;
alloc_info.descriptorSetCount = 1;
- alloc_info.pSetLayouts = &encoder->pipeline->desc_set_layouts[group];
+ alloc_info.pSetLayouts = &encoder->pipeline->desc_set_layouts[group];
+
+ VkDescriptorSet sets[1];
+ /* VK_CHECK( */
+ vkAllocateDescriptorSets(context.device->logical_device, &alloc_info, sets);
+ /* ); */
+ VkDescriptorSet_darray_push(context.free_set_queue, sets[0]);
+
+ shader_data_layout sdl = data->shader_data_get_layout(NULL);
+ assert(sdl.bindings_count == 1);
+
+ VkWriteDescriptorSet write_sets[1];
+ memset(&write_sets, 0, sizeof(write_sets));
+
+ assert(sdl.bindings_count == 1);
+ for (u32 i = 0; i < sdl.bindings_count; i++) {
+ shader_binding binding = sdl.bindings[i];
+
+ if (binding.type == SHADER_BINDING_BUFFER || binding.type == SHADER_BINDING_BYTES) {
+ VkDescriptorBufferInfo buffer_info;
+ buffer_info.buffer = ubo.buffers[context.current_frame];
+ buffer_info.offset = 0;
+ buffer_info.range = binding.data.bytes.size;
+
+ write_sets[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+ write_sets[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+ write_sets[0].descriptorCount = 1;
+ write_sets[0].dstSet = sets[0];
+ write_sets[0].dstBinding = 0;
+ write_sets[0].dstArrayElement = 0;
+ write_sets[0].pBufferInfo = &buffer_info;
+ } else {
+ WARN("Unknown binding");
+ }
+ }
- VkDescriptorSet sets[1];
- VK_CHECK(vkAllocateDescriptorSets(context.device->logical_device, &alloc_info,
- sets));
+ // Update
+ vkUpdateDescriptorSets(context.device->logical_device, 1, write_sets, 0, NULL);
+ // Bind
+ vkCmdBindDescriptorSets(encoder->cmd_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
+ encoder->pipeline->layout_handle, 0, 1, sets, 0, NULL);
}
void encode_set_vertex_buffer(gpu_cmd_encoder* encoder, buffer_handle buf) {
@@ -1081,7 +1131,6 @@ VkShaderModule create_shader_module(str8 spirv) {
return shader_module;
}
-
void create_descriptor_pools() {}
void create_swapchain_framebuffers() {
@@ -1155,6 +1204,9 @@ buffer_handle gpu_buffer_create(u64 size, gpu_buffer_type buf_type, gpu_buffer_f
case CEL_BUFFER_INDEX:
buffer_info.usage |= VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
break;
+ case CEL_BUFFER_UNIFORM:
+ buffer_info.usage |= VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
+ break;
case CEL_BUFFER_COUNT:
WARN("Incorrect gpu_buffer_type provided. using default");
break;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-09 22:14:19 +0000