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-rw-r--r--src/vk-renderer.cpp108
1 files changed, 80 insertions, 28 deletions
diff --git a/src/vk-renderer.cpp b/src/vk-renderer.cpp
index 21918cb..ae677a6 100644
--- a/src/vk-renderer.cpp
+++ b/src/vk-renderer.cpp
@@ -45,13 +45,11 @@ vkrenderer::vkrenderer(window& wnd, const input_data& inputs) {
.pImmutableSamplers = VK_NULL_HANDLE,
}
};
-
compute_pipeline = api.create_compute_pipeline("compute", bindings);
+ compute_shader_sets = api.create_descriptor_sets(compute_pipeline.descriptor_set_layout, swapchain.image_count);
command_buffers = api.create_command_buffers(swapchain.image_count);
- compute_shader_sets = api.create_descriptor_sets(compute_pipeline.descriptor_set_layout, swapchain.image_count);
-
VkExtent3D image_size = {
.width = swapchain.extent.width,
.height = swapchain.extent.height,
@@ -63,32 +61,49 @@ vkrenderer::vkrenderer(window& wnd, const input_data& inputs) {
execution_semaphores = api.create_semaphores(swapchain.image_count);
acquire_semaphores = api.create_semaphores(swapchain.image_count);
- // std::vector<VkFormat> attachments_format { swapchain.surface_format.format };
- // render_pass = api.create_render_pass(attachments_format);
-
- // std::vector<VkDescriptorSetLayoutBinding> ui_pipeline_bindings {
- // {
- // .binding = 0,
- // .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
- // .descriptorCount = 1,
- // .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
- // .pImmutableSamplers = VK_NULL_HANDLE,
- // },
- // };
- // ui_pipeline = api.create_graphics_pipeline("ui", ui_pipeline_bindings, (VkShaderStageFlagBits)(VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT), render_pass);
- // ui_sets = api.create_descriptor_sets(ui_pipeline.descriptor_set_layout, swapchain.image_count);
-
- // for (auto& image : swapchain.images) {
- // std::vector<Image> attachments { image };
- // framebuffers.push_back(api.create_framebuffer(render_pass, attachments, swapchain.extent));
- // }
-
- compute_shader_buffer = api.create_buffer(sizeof(inputs), VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU);
+ compute_shader_buffer = api.create_buffer(sizeof(inputs), VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU, nullptr);
std::memcpy(compute_shader_buffer.mapped_ptr, &inputs, sizeof(inputs));
for (size_t index = 0; index < swapchain.image_count; index++) {
api.update_descriptor_set_buffer(compute_shader_sets[index], bindings[0], compute_shader_buffer);
}
+
+ std::vector<VkFormat> attachments_format { swapchain.surface_format.format };
+ render_pass = api.create_render_pass(attachments_format);
+
+ for (auto& image : swapchain.images) {
+ std::vector<Image> attachments { image };
+ framebuffers.push_back(api.create_framebuffer(render_pass, attachments, swapchain.extent));
+ }
+
+ std::vector<VkDescriptorSetLayoutBinding> ui_pipeline_bindings {
+ {
+ .binding = 0,
+ .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
+ .descriptorCount = 1,
+ .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
+ .pImmutableSamplers = VK_NULL_HANDLE,
+ },
+ };
+ ui_pipeline = api.create_graphics_pipeline("ui", ui_pipeline_bindings, (VkShaderStageFlagBits)(VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT), render_pass);
+ ui_sets = api.create_descriptor_sets(ui_pipeline.descriptor_set_layout, swapchain.image_count);
+
+ ImGui::CreateContext();
+ auto io = ImGui::GetIO();
+
+ ImGui::StyleColorsDark();
+
+ uint8_t* pixels = nullptr;
+ int atlas_width, atlas_height;
+ io.Fonts->GetTexDataAsRGBA32(&pixels, &atlas_width, &atlas_height);
+
+ VkExtent3D atlas_size = {
+ .width = (uint32_t)atlas_width,
+ .height = (uint32_t)atlas_height,
+ .depth = 1,
+ };
+ ui_texture = api.create_image(atlas_size, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_SAMPLED_BIT, pixels);
+ io.Fonts->SetTexID((void*)&ui_texture);
}
vkrenderer::~vkrenderer() {
@@ -102,8 +117,17 @@ vkrenderer::~vkrenderer() {
api.destroy_descriptor_sets(compute_shader_sets);
api.destroy_images(accumulation_images);
+ api.destroy_render_pass(render_pass);
+
+ api.destroy_image(ui_texture);
+
+ for (auto& framebuffer: framebuffers) {
+ api.destroy_framebuffer(framebuffer);
+ }
+
api.destroy_command_buffers(command_buffers);
api.destroy_pipeline(compute_pipeline);
+ api.destroy_pipeline(ui_pipeline);
api.destroy_swapchain(swapchain);
api.destroy_surface(platform_surface);
@@ -145,19 +169,31 @@ void vkrenderer::begin_frame() {
}
void vkrenderer::ui() {
+ ImGuiIO& io = ImGui::GetIO();
+ io.DisplaySize.x = (float)swapchain.extent.width;
+ io.DisplaySize.y = (float)swapchain.extent.height;
+ io.DisplayFramebufferScale = { 1.f, 1.f };
+
ImGui::NewFrame();
+
+ ImGui::Text("Hello, world!");
+
+ ImGui::EndFrame();
+
ImGui::Render();
ImDrawData* draw_data = ImGui::GetDrawData();
+ // TODO: Deallocate buffer when not used anymore
+ // Update descriptor with only the part of the buffer we are interested in
for (size_t cmd_index = 0; cmd_index < draw_data->CmdListsCount; cmd_index++) {
ImDrawList* draw_list = draw_data->CmdLists[cmd_index];
ImVector vertex_buffer = draw_list->VtxBuffer;
ImVector index_buffer = draw_list->IdxBuffer;
- auto vk_vtx_buf = api.create_buffer(vertex_buffer.Size * sizeof(vertex_buffer.Data[0]), VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU);
+ auto vk_vtx_buf = api.create_buffer(vertex_buffer.Size * sizeof(vertex_buffer.Data[0]), VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU, nullptr);
std::memcpy(vk_vtx_buf.mapped_ptr, vertex_buffer.Data, vertex_buffer.Size * sizeof(vertex_buffer.Data[0]));
- auto vk_idx_buf = api.create_buffer(index_buffer.Size * sizeof(index_buffer.Data[0]), VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU);
+ auto vk_idx_buf = api.create_buffer(index_buffer.Size * sizeof(index_buffer.Data[0]), VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU, nullptr);
std::memcpy(vk_idx_buf.mapped_ptr, index_buffer.Data, index_buffer.Size * sizeof(index_buffer.Data[0]));
ui_vertex_buffers.push_back(vk_vtx_buf);
@@ -183,6 +219,7 @@ void vkrenderer::ui() {
render_pass_begin_info.clearValueCount = 1;
render_pass_begin_info.pClearValues = &clear_value;
+ api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, swapchain.images[swapchain_image_index]);
vkCmdBeginRenderPass(cmd_buf, &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindDescriptorSets(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, ui_pipeline.layout, 0, 1, &ui_sets[frame_index], 0, nullptr);
@@ -200,7 +237,7 @@ void vkrenderer::ui() {
for (size_t cmd_index = 0; cmd_index < draw_data->CmdListsCount; cmd_index++) {
ImDrawList* draw_list = draw_data->CmdLists[cmd_index];
- api.update_descriptor_set_buffer(compute_shader_sets[frame_index], binding, ui_vertex_buffers[cmd_index]);
+ api.update_descriptor_set_buffer(ui_sets[frame_index], binding, ui_vertex_buffers[cmd_index]);
vkCmdBindIndexBuffer(cmd_buf, ui_index_buffers[cmd_index].handle, 0, VK_INDEX_TYPE_UINT16);
@@ -210,6 +247,8 @@ void vkrenderer::ui() {
}
vkCmdEndRenderPass(cmd_buf);
+
+ api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, VK_ACCESS_COLOR_ATTACHMENT_READ_BIT, 0, swapchain.images[swapchain_image_index]);
}
void vkrenderer::compute(uint32_t width, uint32_t height, bool clear) {
@@ -265,7 +304,7 @@ void vkrenderer::recreate_swapchain() {
platform_surface,
min_swapchain_image_count,
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT,
- std::optional<Swapchain> { swapchain }
+ std::optional<std::reference_wrapper<Swapchain>> { swapchain }
);
api.destroy_images(accumulation_images);
@@ -275,6 +314,19 @@ void vkrenderer::recreate_swapchain() {
.depth = 1,
};
accumulation_images = api.create_images(image_size, swapchain.surface_format.format, VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT, 2);
+
+ for (auto& framebuffer: framebuffers) {
+ api.destroy_framebuffer(framebuffer);
+ }
+ framebuffers.clear();
+
+ std::vector<VkFormat> attachments_format { swapchain.surface_format.format };
+ render_pass = api.create_render_pass(attachments_format);
+
+ for (auto& image : swapchain.images) {
+ std::vector<Image> attachments { image };
+ framebuffers.push_back(api.create_framebuffer(render_pass, attachments, swapchain.extent));
+ }
}
void vkrenderer::handle_swapchain_result(VkResult function_result) {
generated by cgit v1.3 (git 2.53.0) at 2026-10-25 05:40:47 +0000