Added initial implementation of Vulkan Render Passes.

gpu/vulkan/tests/vulkan_test.cc

+// Copyright 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/tests/native_window.h"
+#include "gpu/vulkan/vulkan_command_buffer.h"
+#include "gpu/vulkan/vulkan_render_pass.h"
+#include "gpu/vulkan/vulkan_surface.h"
+#include "gpu/vulkan/vulkan_swap_chain.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/geometry/rect.h"
+
+// This file tests basic vulkan initialization steps.
+
+namespace gpu {
+
+class BasicVulkanTest : public testing::Test {
+ public:
+  void SetUp() override {
+    const gfx::Rect kDefaultBounds(10, 10, 100, 100);
+    window_ = CreateNativeWindow(kDefaultBounds);
+  }
+
+  void TearDown() override {
+    DestroyNativeWindow(window_);
+    window_ = gfx::kNullAcceleratedWidget;
+  }
+
+  gfx::AcceleratedWidget window() const { return window_; }
+
+ private:
+  gfx::AcceleratedWidget window_ = gfx::kNullAcceleratedWidget;
+};
+
+TEST_F(BasicVulkanTest, BasicVulkanSurface) {
+  scoped_ptr<VulkanSurface> surface =
+      VulkanSurface::CreateViewSurface(window());
+  EXPECT_TRUE(surface);
+  EXPECT_TRUE(surface->Initialize(VulkanSurface::DEFAULT_SURFACE_FORMAT));
+  surface->Destroy();
+}
+
+TEST_F(BasicVulkanTest, EmptyVulkanSwaps) {
+  scoped_ptr<VulkanSurface> surface =
+      VulkanSurface::CreateViewSurface(window());
+  ASSERT_TRUE(surface);
+  ASSERT_TRUE(surface->Initialize(VulkanSurface::DEFAULT_SURFACE_FORMAT));
+
+  // First swap is a special case, call it first to get better errors.
+  EXPECT_EQ(gfx::SwapResult::SWAP_ACK, surface->SwapBuffers());
+
+  // Also make sure we can swap multiple times.
+  for (int i = 0; i < 10; ++i) {
+    EXPECT_EQ(gfx::SwapResult::SWAP_ACK, surface->SwapBuffers());
+  }
+  surface->Finish();
+  surface->Destroy();
+}
+
+TEST_F(BasicVulkanTest, BasicRenderPass) {
+  scoped_ptr<VulkanSurface> surface =
+      VulkanSurface::CreateViewSurface(window());
+  ASSERT_TRUE(surface);
+  ASSERT_TRUE(surface->Initialize(VulkanSurface::DEFAULT_SURFACE_FORMAT));
+  VulkanSwapChain* swap_chain = surface->GetSwapChain();
+
+  VulkanRenderPass::RenderPassData render_pass_data;
+
+  // There is a single attachment which transitions present -> color -> present.
+  render_pass_data.attachments.resize(1);
+  VulkanRenderPass::AttachmentData* attachment =
+      &render_pass_data.attachments[0];
+  attachment->attachment_type =
+      VulkanRenderPass::AttachmentType::ATTACHMENT_TYPE_SWAP_IMAGE;
+  attachment->sample_count = VK_SAMPLE_COUNT_1_BIT;
+  attachment->load_op = VK_ATTACHMENT_LOAD_OP_LOAD;
+  attachment->store_op = VK_ATTACHMENT_STORE_OP_STORE;
+  attachment->stencil_load_op = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+  attachment->stencil_store_op = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+  attachment->start_layout =
+      VulkanRenderPass::ImageLayoutType::IMAGE_LAYOUT_TYPE_PRESENT;
+  attachment->end_layout =
+      VulkanRenderPass::ImageLayoutType::IMAGE_LAYOUT_TYPE_PRESENT;
+
+  // Single subpass.
+  render_pass_data.subpass_datas.resize(1);
+  VulkanRenderPass::SubpassData* subpass_data =
+      &render_pass_data.subpass_datas[0];
+
+  // Our subpass will handle the transition to Color.
+  subpass_data->subpass_attachments.resize(1);
+  VulkanRenderPass::SubpassAttachment* subpass_attachment =
+      &subpass_data->subpass_attachments[0];
+  subpass_attachment->attachment_index = 0;
+  subpass_attachment->subpass_layout =
+      VulkanRenderPass::ImageLayoutType::IMAGE_LAYOUT_TYPE_IMAGE_VIEW;
+
+  ASSERT_TRUE(render_pass_data.ValidateData(swap_chain));
+
+  VulkanRenderPass render_pass;
+  EXPECT_TRUE(render_pass.Initialize(swap_chain, render_pass_data));
+
+  for (int i = 0; i < 10; ++i) {
+    VulkanCommandBuffer* command_buffer = swap_chain->GetCurrentCommandBuffer();
+    {
+      ScopedSingleUseCommandBufferRecorder recorder(*command_buffer);
+
+      render_pass.BeginRenderPass(recorder, true);
+      render_pass.EndRenderPass(recorder);
+    }
+
+    EXPECT_EQ(gfx::SwapResult::SWAP_ACK, surface->SwapBuffers());
+  }
+
+  surface->Finish();
+  render_pass.Destroy();
+  surface->Destroy();
+}
+
+}  // namespace gpu