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Descritpor stuff

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Signed-off-by: Slendi <slendi@socopon.com>
This commit is contained in:
Slendi
2025-12-11 11:31:27 +02:00
parent be453697f0
commit f8aa685b8a
3 changed files with 73 additions and 4 deletions
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63
src/VulkanRenderer.cpp
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@@ -94,6 +94,9 @@ auto VulkanRenderer::immediate_submit(
VK_CHECK(m_logger,
vkWaitForFences(m_vkb.dev, 1, &m_vk.imm_fence, true, 9999999999));
m_vk.get_current_frame().deletion_queue.flush();
m_vk.get_current_frame().frame_descriptors.clear_pools(m_vkb.dev);
}
auto VulkanRenderer::vk_init() -> void
@@ -327,6 +330,28 @@ auto VulkanRenderer::descriptors_init() -> void
vkDestroyDescriptorSetLayout(
m_vkb.dev, m_vk.draw_image_descriptor_layout, nullptr);
});
for (unsigned int i = 0; i < FRAME_OVERLAP; i++) {
std::vector<DescriptorAllocatorGrowable::PoolSizeRatio> frame_sizes = {
{ VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 3 },
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 3 },
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3 },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 4 },
};
m_vk.frames[i].frame_descriptors = DescriptorAllocatorGrowable {};
m_vk.frames[i].frame_descriptors.init(m_vkb.dev, 1000, frame_sizes);
m_vk.deletion_queue.emplace([&, i]() {
m_vk.frames[i].frame_descriptors.destroy_pools(m_vkb.dev);
});
}
m_vk.gpu_scene_data_descriptor_layout
= DescriptorLayoutBuilder()
.add_binding(0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER)
.build(m_logger, m_vkb.dev,
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT);
}
auto VulkanRenderer::pipelines_init() -> void
@@ -737,6 +762,40 @@ auto VulkanRenderer::draw_background(VkCommandBuffer cmd) -> void
auto VulkanRenderer::draw_geometry(VkCommandBuffer cmd) -> void
{
auto gpu_scene_data_buffer { create_buffer(sizeof(GPUSceneData),
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU) };
m_vk.get_current_frame().deletion_queue.emplace(
[=, this]() { destroy_buffer(gpu_scene_data_buffer); });
VmaAllocationInfo info {};
vmaGetAllocationInfo(
m_vk.allocator, gpu_scene_data_buffer.allocation, &info);
GPUSceneData *scene_uniform_data
= reinterpret_cast<GPUSceneData *>(info.pMappedData);
if (!scene_uniform_data) {
VkResult res = vmaMapMemory(m_vk.allocator,
gpu_scene_data_buffer.allocation, (void **)&scene_uniform_data);
assert(res == VK_SUCCESS);
}
defer({
if (info.pMappedData == nullptr) {
vmaUnmapMemory(m_vk.allocator, gpu_scene_data_buffer.allocation);
}
});
*scene_uniform_data = m_vk.scene_data;
auto const global_desc {
m_vk.get_current_frame().frame_descriptors.allocate(
m_logger, m_vkb.dev, m_vk.gpu_scene_data_descriptor_layout)
};
DescriptorWriter writer;
writer.write_buffer(0, gpu_scene_data_buffer.buffer, sizeof(GPUSceneData),
0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER);
writer.update_set(m_vkb.dev, global_desc);
auto color_att { vkinit::attachment_info(m_vk.draw_image.image_view,
nullptr, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) };
auto depth_att { vkinit::depth_attachment_info(m_vk.depth_image.image_view,
@@ -776,8 +835,6 @@ auto VulkanRenderer::draw_geometry(VkCommandBuffer cmd) -> void
scissor.extent = m_vk.draw_extent;
vkCmdSetScissor(cmd, 0, 1, &scissor);
// vkCmdDraw(cmd, 3, 1, 0, 0);
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, m_vk.mesh_pipeline);
GPUDrawPushConstants push_constants;
@@ -1031,7 +1088,7 @@ auto VulkanRenderer::create_buffer(size_t alloc_size, VkBufferUsageFlags usage,
return buffer;
}
auto VulkanRenderer::destroy_buffer(AllocatedBuffer &buffer) -> void
auto VulkanRenderer::destroy_buffer(AllocatedBuffer const &buffer) -> void
{
vmaDestroyBuffer(m_vk.allocator, buffer.buffer, buffer.allocation);
}