diff options
Diffstat (limited to 'src/vk-renderer.cpp')
| -rw-r--r-- | src/vk-renderer.cpp | 64 |
1 files changed, 42 insertions, 22 deletions
diff --git a/src/vk-renderer.cpp b/src/vk-renderer.cpp index 32bee48..4e5971a 100644 --- a/src/vk-renderer.cpp +++ b/src/vk-renderer.cpp @@ -17,7 +17,6 @@ vkrenderer::vkrenderer(window& wnd, const input_data& inputs) { platform_surface, min_swapchain_image_count, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | - VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT, std::nullopt ); @@ -36,6 +35,13 @@ vkrenderer::vkrenderer(window& wnd, const input_data& inputs) { .descriptorCount = 1, .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT, .pImmutableSamplers = VK_NULL_HANDLE, + }, + { + .binding = 2, + .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, + .descriptorCount = 1, + .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT, + .pImmutableSamplers = VK_NULL_HANDLE, } }; @@ -50,7 +56,7 @@ vkrenderer::vkrenderer(window& wnd, const input_data& inputs) { .height = swapchain.extent.height, .depth = 1, }; - accumulation_image = api.create_image(image_size, swapchain.surface_format.format, VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT); + 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); submission_fences = api.create_fences(swapchain.image_count); execution_semaphores = api.create_semaphores(swapchain.image_count); @@ -61,7 +67,6 @@ vkrenderer::vkrenderer(window& wnd, const input_data& 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); - api.update_descriptor_set_image(compute_shader_sets[index], bindings[1], accumulation_image.view); } } @@ -74,7 +79,7 @@ vkrenderer::~vkrenderer() { api.destroy_semaphores(acquire_semaphores); api.destroy_descriptor_sets(compute_shader_sets); - api.destroy_image(accumulation_image); + api.destroy_images(accumulation_images); api.destroy_command_buffers(command_buffers); api.destroy_compute_pipeline(compute_pipeline); @@ -92,6 +97,28 @@ void vkrenderer::compute(uint32_t width, uint32_t height, bool clear) { auto acquire_result = vkAcquireNextImageKHR(api.context.device, swapchain.handle, UINT64_MAX, acquire_semaphores[frame_index], VK_NULL_HANDLE, &swapchain_image_index); handle_swapchain_result(acquire_result); + auto accumulation_image_index = frame_index % 2; + auto output_image = accumulation_images[accumulation_image_index]; + auto accumulation_image = accumulation_images[(accumulation_image_index + 1) % 2]; + + VkDescriptorSetLayoutBinding images[2] { + { + .binding = 1, + .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, + .descriptorCount = 1, + .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT, + .pImmutableSamplers = VK_NULL_HANDLE, + }, { + .binding = 2, + .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, + .descriptorCount = 1, + .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT, + .pImmutableSamplers = VK_NULL_HANDLE, + } + }; + api.update_descriptor_set_image(compute_shader_sets[swapchain_image_index], images[0], output_image.view); + api.update_descriptor_set_image(compute_shader_sets[swapchain_image_index], images[1], accumulation_image.view); + auto cmd_buf = command_buffers[frame_index]; api.start_record(cmd_buf); @@ -102,17 +129,21 @@ void vkrenderer::compute(uint32_t width, uint32_t height, bool clear) { VkClearColorValue color = { 0.f, 0.f, 0.f, 1.f }; vkCmdClearColorImage(cmd_buf, accumulation_image.handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, &color, 1, &accumulation_image.subresource_range); - api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_GENERAL, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_SHADER_WRITE_BIT, accumulation_image); + api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_GENERAL, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_SHADER_READ_BIT, accumulation_image); + + api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_GENERAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, VK_ACCESS_SHADER_WRITE_BIT, output_image); } else { - api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_GENERAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, VK_ACCESS_SHADER_WRITE_BIT, accumulation_image); + api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_GENERAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, VK_ACCESS_SHADER_READ_BIT, accumulation_image); + api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_GENERAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, VK_ACCESS_SHADER_WRITE_BIT, output_image); } + api.run_compute_pipeline(cmd_buf, compute_pipeline, compute_shader_sets[swapchain_image_index], width / 8, height / 8, 1); - api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_GENERAL, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_ACCESS_SHADER_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT, accumulation_image); + api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_GENERAL, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_ACCESS_SHADER_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT, output_image); api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, VK_ACCESS_TRANSFER_WRITE_BIT, swapchain.images[swapchain_image_index]); - api.blit_full(cmd_buf, accumulation_image, swapchain.images[swapchain_image_index]); + api.blit_full(cmd_buf, output_image, swapchain.images[swapchain_image_index]); api.image_barrier(cmd_buf, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_COLOR_ATTACHMENT_READ_BIT, swapchain.images[swapchain_image_index]); @@ -132,28 +163,17 @@ void vkrenderer::recreate_swapchain() { swapchain = api.create_swapchain( platform_surface, min_swapchain_image_count, - VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_STORAGE_BIT, + VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT, std::optional<Swapchain> { swapchain } ); + api.destroy_images(accumulation_images); VkExtent3D image_size = { .width = swapchain.extent.width, .height = swapchain.extent.height, .depth = 1, }; - accumulation_image = api.create_image(image_size, swapchain.surface_format.format, VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT); - - VkDescriptorSetLayoutBinding binding { - .binding = 1, - .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, - .descriptorCount = 1, - .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT, - .pImmutableSamplers = VK_NULL_HANDLE, - }; - - for (size_t index = 0; index < swapchain.image_count; index++) { - api.update_descriptor_set_image(compute_shader_sets[index], binding, accumulation_image.view); - } + 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); } void vkrenderer::handle_swapchain_result(VkResult function_result) { |