Added initial implementation of Vulkan Render Passes.

gpu/vulkan/vulkan_swap_chain.cc

Index: gpu/vulkan/vulkan_swap_chain.cc
diff --git a/gpu/vulkan/vulkan_swap_chain.cc b/gpu/vulkan/vulkan_swap_chain.cc
new file mode 100644
index 0000000000000000000000000000000000000000..700832d25bd6466461fbecc5f9e82e45ab6706e9
--- /dev/null
+++ b/gpu/vulkan/vulkan_swap_chain.cc
@@ -0,0 +1,296 @@
+// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "gpu/vulkan/vulkan_swap_chain.h"
+
+#include "gpu/vulkan/vulkan_command_buffer.h"
+#include "gpu/vulkan/vulkan_command_pool.h"
+#include "gpu/vulkan/vulkan_image_view.h"
+#include "gpu/vulkan/vulkan_implementation.h"
+
+namespace gpu {
+
+VulkanSwapChain::VulkanSwapChain() {}
+
+VulkanSwapChain::~VulkanSwapChain() {
+  DCHECK(images_.empty());
+  DCHECK_EQ(static_cast<VkSwapchainKHR>(VK_NULL_HANDLE), swap_chain_);
+  DCHECK_EQ(static_cast<VkSemaphore>(VK_NULL_HANDLE), next_present_semaphore_);
+}
+
+bool VulkanSwapChain::Initialize(VkSurfaceKHR surface,
+                                 const VkSurfaceCapabilitiesKHR& surface_caps,
+                                 const VkSurfaceFormatKHR& surface_format) {
+  return InitializeSwapChain(surface, surface_caps, surface_format) &&
+         InitializeSwapImages(surface_caps, surface_format);
+}
+
+void VulkanSwapChain::Destroy() {
+  DestroySwapImages();
+  DestroySwapChain();
+}
+
+gfx::SwapResult VulkanSwapChain::SwapBuffers() {
+  VkResult result = VK_SUCCESS;
+
+  VkDevice device = GetVulkanDevice();
+  VkQueue queue = GetVulkanQueue();
+
+  scoped_ptr<ImageData>& current_image_data = images_[current_image_];
+
+  // Default image subresource range.
+  VkImageSubresourceRange image_subresource_range = {};
+  image_subresource_range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+  image_subresource_range.baseMipLevel = 0;
+  image_subresource_range.levelCount = 1;
+  image_subresource_range.baseArrayLayer = 0;
+  image_subresource_range.layerCount = 1;
+
+  // Submit our command buffer for the current buffer.
+  if (!current_image_data->command_buffer->Submit(
+          queue, 1, &current_image_data->present_semaphore, 1,
+          &current_image_data->render_semaphore)) {
+    return gfx::SwapResult::SWAP_FAILED;
+  }
+
+  // Queue the present.
+  VkPresentInfoKHR present_info = {};
+  present_info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
+  present_info.waitSemaphoreCount = 1;
+  present_info.pWaitSemaphores = &current_image_data->render_semaphore;
+  present_info.swapchainCount = 1;
+  present_info.pSwapchains = &swap_chain_;
+  present_info.pImageIndices = &current_image_;
+
+  result = vkQueuePresentKHR(queue, &present_info);
+  if (VK_SUCCESS != result) {
+    return gfx::SwapResult::SWAP_FAILED;
+  }
+
+  // Acquire then next image.
+  result = vkAcquireNextImageKHR(device, swap_chain_, UINT64_MAX,
+                                 next_present_semaphore_, VK_NULL_HANDLE,
+                                 &current_image_);
+  if (VK_SUCCESS != result) {
+    return gfx::SwapResult::SWAP_FAILED;
+  }
+
+  // Swap in the "next_present_semaphore" into the newly acquired image. The
+  // old "present_semaphore" for the image becomes the place holder for the next
+  // present semaphore for the next image.
+  std::swap(images_[current_image_]->present_semaphore,
+            next_present_semaphore_);
+
+  return gfx::SwapResult::SWAP_ACK;
+}
+
+bool VulkanSwapChain::InitializeSwapChain(
+    VkSurfaceKHR surface,
+    const VkSurfaceCapabilitiesKHR& surface_caps,
+    const VkSurfaceFormatKHR& surface_format) {
+  VkDevice device = GetVulkanDevice();
+  VkResult result = VK_SUCCESS;
+
+  VkSwapchainCreateInfoKHR swap_chain_create_info = {};
+  swap_chain_create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
+  swap_chain_create_info.surface = surface;
+  swap_chain_create_info.minImageCount =
+      std::max(2u, surface_caps.minImageCount);
+  swap_chain_create_info.imageFormat = surface_format.format;
+  swap_chain_create_info.imageColorSpace = surface_format.colorSpace;
+  swap_chain_create_info.imageExtent = surface_caps.currentExtent;
+  swap_chain_create_info.imageArrayLayers = 1;
+  swap_chain_create_info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
+  swap_chain_create_info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
+  swap_chain_create_info.preTransform = surface_caps.currentTransform;
+  swap_chain_create_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
+  swap_chain_create_info.presentMode = VK_PRESENT_MODE_FIFO_KHR;
+  swap_chain_create_info.clipped = true;
+  swap_chain_create_info.oldSwapchain = swap_chain_;
+
+  VkSwapchainKHR new_swap_chain = VK_NULL_HANDLE;
+  result = vkCreateSwapchainKHR(device, &swap_chain_create_info, nullptr,
+                                &new_swap_chain);
+  if (VK_SUCCESS != result) {
+    DLOG(ERROR) << "vkCreateSwapchainKHR() failed: " << result;
+    return false;
+  }
+
+  Destroy();
+
+  swap_chain_ = new_swap_chain;
+  size_ = gfx::Size(swap_chain_create_info.imageExtent.width,
+                    swap_chain_create_info.imageExtent.height);
+
+  return true;
+}
+
+void VulkanSwapChain::DestroySwapChain() {
+  VkDevice device = GetVulkanDevice();
+
+  if (swap_chain_ != VK_NULL_HANDLE) {
+    vkDestroySwapchainKHR(device, swap_chain_, nullptr);
+    swap_chain_ = VK_NULL_HANDLE;
+  }
+}
+
+bool VulkanSwapChain::InitializeSwapImages(
+    const VkSurfaceCapabilitiesKHR& surface_caps,
+    const VkSurfaceFormatKHR& surface_format) {
+  VkDevice device = GetVulkanDevice();
+  VkResult result = VK_SUCCESS;
+
+  uint32_t image_count = 0;
+  result = vkGetSwapchainImagesKHR(device, swap_chain_, &image_count, nullptr);
+  if (VK_SUCCESS != result) {
+    DLOG(ERROR) << "vkGetSwapchainImagesKHR(NULL) failed: " << result;
+    return false;
+  }
+
+  std::vector<VkImage> images(image_count);
+  result =
+      vkGetSwapchainImagesKHR(device, swap_chain_, &image_count, images.data());
+  if (VK_SUCCESS != result) {
+    DLOG(ERROR) << "vkGetSwapchainImagesKHR(images) failed: " << result;
+    return false;
+  }
+
+  // Generic semaphore creation structure.
+  VkSemaphoreCreateInfo semaphore_create_info = {};
+  semaphore_create_info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
+
+  // Default image subresource range.
+  VkImageSubresourceRange image_subresource_range = {};
+  image_subresource_range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+  image_subresource_range.baseMipLevel = 0;
+  image_subresource_range.levelCount = 1;
+  image_subresource_range.baseArrayLayer = 0;
+  image_subresource_range.layerCount = 1;
+
+  // The image memory barrier is used to setup the image layout.
+  VkImageMemoryBarrier image_memory_barrier = {};
+  image_memory_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
+  image_memory_barrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
+  image_memory_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+  image_memory_barrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+  image_memory_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
+  image_memory_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
+  image_memory_barrier.subresourceRange = image_subresource_range;
+
+  command_pool_ = CreateCommandPool();
+  if (!command_pool_)
+    return false;
+
+  images_.resize(image_count);
+  for (uint32_t i = 0; i < image_count; ++i) {
+    images_[i].reset(new ImageData);
+    scoped_ptr<ImageData>& image_data = images_[i];
+    image_data->image = images[i];
+
+    // Setup semaphores.
+    result = vkCreateSemaphore(device, &semaphore_create_info, nullptr,
+                               &image_data->render_semaphore);
+    if (VK_SUCCESS != result) {
+      DLOG(ERROR) << "vkCreateSemaphore(render) failed: " << result;
+      return false;
+    }
+
+    result = vkCreateSemaphore(device, &semaphore_create_info, nullptr,
+                               &image_data->present_semaphore);
+    if (VK_SUCCESS != result) {
+      DLOG(ERROR) << "vkCreateSemaphore(present) failed: " << result;
+      return false;
+    }
+
+    // Initialize the command buffer for this buffer data.
+    image_data->command_buffer = command_pool_->CreatePrimaryCommandBuffer();
+
+    // Setup the Image Layout as the first command that gets issued in each
+    // command buffer.
+    ScopedSingleUseCommandBufferRecorder recorder(*image_data->command_buffer);
+    image_memory_barrier.image = images[i];
+    vkCmdPipelineBarrier(recorder.handle(), VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
+                         VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0,
+                         nullptr, 1, &image_memory_barrier);
+
+    // Create the image view.
+    image_data->image_view.reset(new VulkanImageView);
+    if (!image_data->image_view->Initialize(
+            images[i], VK_IMAGE_VIEW_TYPE_2D, VulkanImageView::IMAGE_TYPE_COLOR,
+            surface_format.format, size_.width(), size_.height(), 0, 1, 0, 1)) {
+      return false;
+    }
+  }
+
+  result = vkCreateSemaphore(device, &semaphore_create_info, nullptr,
+                             &next_present_semaphore_);
+  if (VK_SUCCESS != result) {
+    DLOG(ERROR) << "vkCreateSemaphore(next_present) failed: " << result;
+    return false;
+  }
+
+  // Acquire the initial buffer.
+  result = vkAcquireNextImageKHR(GetVulkanDevice(), swap_chain_, UINT64_MAX,
+                                 next_present_semaphore_, VK_NULL_HANDLE,
+                                 &current_image_);
+  if (VK_SUCCESS != result) {
+    DLOG(ERROR) << "vkAcquireNextImageKHR() failed: " << result;
+    return false;
+  }
+
+  std::swap(images_[current_image_]->present_semaphore,
+            next_present_semaphore_);
+
+  return true;
+}
+
+void VulkanSwapChain::DestroySwapImages() {
+  VkDevice device = GetVulkanDevice();
+
+  if (VK_NULL_HANDLE != next_present_semaphore_) {
+    vkDestroySemaphore(device, next_present_semaphore_, nullptr);
+    next_present_semaphore_ = VK_NULL_HANDLE;
+  }
+
+  for (const scoped_ptr<ImageData>& image_data : images_) {
+    if (image_data->command_buffer) {
+      // Make sure command buffer is done processing.
+      image_data->command_buffer->Wait(UINT64_MAX);
+
+      image_data->command_buffer->Destroy();
+      image_data->command_buffer.reset();
+    }
+
+    // Destroy Image View.
+    if (image_data->image_view) {
+      image_data->image_view->Destroy();
+      image_data->image_view.reset();
+    }
+
+    // Destroy Semaphores.
+    if (VK_NULL_HANDLE != image_data->present_semaphore) {
+      vkDestroySemaphore(device, image_data->present_semaphore, nullptr);
+      image_data->present_semaphore = VK_NULL_HANDLE;
+    }
+
+    if (VK_NULL_HANDLE != image_data->render_semaphore) {
+      vkDestroySemaphore(device, image_data->render_semaphore, nullptr);
+      image_data->render_semaphore = VK_NULL_HANDLE;
+    }
+
+    image_data->image = VK_NULL_HANDLE;
+  }
+  images_.clear();
+
+  if (command_pool_) {
+    command_pool_->Destroy();
+    command_pool_.reset();
+  }
+}
+
+VulkanSwapChain::ImageData::ImageData() {}
+
+VulkanSwapChain::ImageData::~ImageData() {}
+
+}  // namespace gpu