Added initial implementation of Vulkan Render Passes.

gpu/vulkan/vulkan_surface.cc

 // 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_surface.h"
 
+#include <vulkan/vulkan.h>
+
+#include "base/macros.h"
+#include "gpu/vulkan/vulkan_command_buffer.h"
 #include "gpu/vulkan/vulkan_implementation.h"
+#include "gpu/vulkan/vulkan_swap_chain.h"
+
+#if defined(VK_USE_PLATFORM_XLIB_KHR)
+#include "ui/gfx/x/x11_types.h"
+#endif  // defined(VK_USE_PLATFORM_XLIB_KHR)
 
 namespace gpu {
 
-VulkanSurface::VulkanSurface() {}
+namespace {
+const VkDeviceSize kFormatSize[] = {
+    4,  // SURFACE_GBRA8888,
+    2,  // SURFACE_RGB565,
+};
+static_assert(arraysize(kFormatSize) == VulkanSurface::NUM_SURFACE_FORMATS,
+              "Array size for kFormatSize must match surface formats.");
+
+const VkFormat kNativeVkFormat[] = {
+    VK_FORMAT_B8G8R8A8_UNORM,       // SURFACE_GBRA8888,
+    VK_FORMAT_R5G6B5_UNORM_PACK16,  // SURFACE_RGB565,
+};
+static_assert(arraysize(kNativeVkFormat) == VulkanSurface::NUM_SURFACE_FORMATS,
+              "Array size for kNativeVkFormat must match surface formats.");
+
+}  // namespace
+
+class VulkanWSISurface : public VulkanSurface {
+ public:
+  explicit VulkanWSISurface(gfx::AcceleratedWidget window) : window_(window) {}
+
+  ~VulkanWSISurface() override {
+    DCHECK_EQ(static_cast<VkSurfaceKHR>(VK_NULL_HANDLE), surface_);
+  }
+
+  bool Initialize(VulkanSurface::Format format) override {
+    DCHECK(format >= 0 && format < NUM_SURFACE_FORMATS);
+#if defined(VK_USE_PLATFORM_XLIB_KHR)
+    VkXlibSurfaceCreateInfoKHR surface_create_info = {};
+    surface_create_info.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
+    surface_create_info.dpy = gfx::GetXDisplay();
+    surface_create_info.window = window_;
+    vkCreateXlibSurfaceKHR(GetVulkanInstance(), &surface_create_info, nullptr,
+                           &surface_);
+#else
+#error Unsupported Vulkan Platform.
+#endif
+
+    // Get list of supported formats.
+    uint32_t format_count = 0;
+    VkResult result = vkGetPhysicalDeviceSurfaceFormatsKHR(
+        GetVulkanPhysicalDevice(), surface_, &format_count, nullptr);
+    if (VK_SUCCESS != result) {
+      DLOG(ERROR) << "vkGetPhysicalDeviceSurfaceFormatsKHR() failed: "
+                  << result;
+      return false;
+    }
+
+    std::vector<VkSurfaceFormatKHR> formats(format_count);
+    result = vkGetPhysicalDeviceSurfaceFormatsKHR(
+        GetVulkanPhysicalDevice(), surface_, &format_count, formats.data());
+    if (VK_SUCCESS != result) {
+      DLOG(ERROR) << "vkGetPhysicalDeviceSurfaceFormatsKHR() failed: "
+                  << result;
+      return false;
+    }
+
+    const VkFormat preferred_format = kNativeVkFormat[format];
+    if (formats.size() == 1 && VK_FORMAT_UNDEFINED == formats[0].format) {
+      surface_format_.format = preferred_format;
+      surface_format_.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
+    } else {
+      bool format_set = false;
+      for (VkSurfaceFormatKHR supported_format : formats) {
+        if (supported_format.format == preferred_format) {
+          surface_format_ = supported_format;
+          surface_format_.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
+          format_set = true;
+          break;
+        }
+      }
+      if (!format_set) {
+        DLOG(ERROR) << "Format not supported.";
+        return false;
+      }
+    }
+
+    // Get Surface Information.
+    VkSurfaceCapabilitiesKHR surface_caps;
+    result = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
+        GetVulkanPhysicalDevice(), surface_, &surface_caps);
+    if (VK_SUCCESS != result) {
+      DLOG(ERROR) << "vkGetPhysicalDeviceSurfaceCapabilitiesKHR() failed: "
+                  << result;
+      return false;
+    }
+
+    // These are actual surfaces so the current extent should be defined.
+    DCHECK_NE(UINT_MAX, surface_caps.currentExtent.width);
+    DCHECK_NE(UINT_MAX, surface_caps.currentExtent.height);
+    size_ = gfx::Size(surface_caps.currentExtent.width,
+                      surface_caps.currentExtent.height);
+
+    // Create Swapchain.
+    if (!swap_chain_.Initialize(surface_, surface_caps, surface_format_))
+      return false;
+
+    return true;
+  }
+
+  void Destroy() override {
+    swap_chain_.Destroy();
+    vkDestroySurfaceKHR(GetVulkanInstance(), surface_, nullptr);
+    surface_ = VK_NULL_HANDLE;
+  }
+
+ protected:
+  gfx::AcceleratedWidget window_;
+  gfx::Size size_;
+  VkSurfaceKHR surface_ = VK_NULL_HANDLE;
+  VkSurfaceFormatKHR surface_format_ = {};
+  VulkanSwapChain swap_chain_;
+};
 
 // static
 bool VulkanSurface::InitializeOneOff() {
   if (!InitializeVulkan())
     return false;
 
   return true;
 }
 
 VulkanSurface::~VulkanSurface() {}
 
+// static
+scoped_ptr<VulkanSurface> VulkanSurface::CreateViewSurface(
+    gfx::AcceleratedWidget window) {
+  return scoped_ptr<VulkanSurface>(new VulkanWSISurface(window));
+}
+
+VulkanSurface::VulkanSurface() {}
+
 }  // namespace gpu