Stage 1 of rename

TODO: re-enable glave build, advance API for glave

v2: get rid of outdated code in tri introduced by rebase
    rename wsi_null.c (olv)
diff --git a/tests/xglrenderframework.cpp b/tests/xglrenderframework.cpp
index 620b229..bec384e 100644
--- a/tests/xglrenderframework.cpp
+++ b/tests/xglrenderframework.cpp
@@ -1,5 +1,5 @@
 /*
- * XGL Tests
+ * Vulkan Tests
  *
  * Copyright (C) 2014 LunarG, Inc.
  *
@@ -25,18 +25,18 @@
  *   Courtney Goeltzenleuchter <courtney@lunarg.com>
  */
 
-#include "xglrenderframework.h"
+#include "vkrenderframework.h"
 
 XglRenderFramework::XglRenderFramework() :
-    m_cmdBuffer( XGL_NULL_HANDLE ),
-    m_stateRaster( XGL_NULL_HANDLE ),
-    m_colorBlend( XGL_NULL_HANDLE ),
-    m_stateViewport( XGL_NULL_HANDLE ),
-    m_stateDepthStencil( XGL_NULL_HANDLE ),
+    m_cmdBuffer( VK_NULL_HANDLE ),
+    m_stateRaster( VK_NULL_HANDLE ),
+    m_colorBlend( VK_NULL_HANDLE ),
+    m_stateViewport( VK_NULL_HANDLE ),
+    m_stateDepthStencil( VK_NULL_HANDLE ),
     m_width( 256.0 ),                   // default window width
     m_height( 256.0 ),                  // default window height
-    m_render_target_fmt( XGL_FMT_R8G8B8A8_UNORM ),
-    m_depth_stencil_fmt( XGL_FMT_UNDEFINED ),
+    m_render_target_fmt( VK_FMT_R8G8B8A8_UNORM ),
+    m_depth_stencil_fmt( VK_FMT_UNDEFINED ),
     m_depth_clear_color( 1.0 ),
     m_stencil_clear_color( 0 )
 {
@@ -56,19 +56,19 @@
 
 void XglRenderFramework::InitFramework()
 {
-    XGL_RESULT err;
-    XGL_INSTANCE_CREATE_INFO instInfo = {};
-    instInfo.sType = XGL_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+    VK_RESULT err;
+    VK_INSTANCE_CREATE_INFO instInfo = {};
+    instInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
     instInfo.pNext = NULL;
     instInfo.pAppInfo = &app_info;
     instInfo.pAllocCb = NULL;
     instInfo.extensionCount = 0;
     instInfo.ppEnabledExtensionNames = NULL;
-    err = xglCreateInstance(&instInfo, &this->inst);
-    ASSERT_XGL_SUCCESS(err);
-    err = xglEnumerateGpus(inst, XGL_MAX_PHYSICAL_GPUS, &this->gpu_count,
+    err = vkCreateInstance(&instInfo, &this->inst);
+    ASSERT_VK_SUCCESS(err);
+    err = vkEnumerateGpus(inst, VK_MAX_PHYSICAL_GPUS, &this->gpu_count,
                            objs);
-    ASSERT_XGL_SUCCESS(err);
+    ASSERT_VK_SUCCESS(err);
     ASSERT_GE(this->gpu_count, 1) << "No GPU available";
 
     m_device = new XglDevice(0, objs[0]);
@@ -79,21 +79,21 @@
 
 void XglRenderFramework::ShutdownFramework()
 {
-    if (m_colorBlend) xglDestroyObject(m_colorBlend);
-    if (m_stateDepthStencil) xglDestroyObject(m_stateDepthStencil);
-    if (m_stateRaster) xglDestroyObject(m_stateRaster);
-    if (m_cmdBuffer) xglDestroyObject(m_cmdBuffer);
-    if (m_framebuffer) xglDestroyObject(m_framebuffer);
-    if (m_renderPass) xglDestroyObject(m_renderPass);
+    if (m_colorBlend) vkDestroyObject(m_colorBlend);
+    if (m_stateDepthStencil) vkDestroyObject(m_stateDepthStencil);
+    if (m_stateRaster) vkDestroyObject(m_stateRaster);
+    if (m_cmdBuffer) vkDestroyObject(m_cmdBuffer);
+    if (m_framebuffer) vkDestroyObject(m_framebuffer);
+    if (m_renderPass) vkDestroyObject(m_renderPass);
 
     if (m_stateViewport) {
-        xglDestroyObject(m_stateViewport);
+        vkDestroyObject(m_stateViewport);
     }
     while (!m_renderTargets.empty()) {
-        xglDestroyObject(m_renderTargets.back()->targetView());
-        xglBindObjectMemory(m_renderTargets.back()->image(), 0, XGL_NULL_HANDLE, 0);
-        xglDestroyObject(m_renderTargets.back()->image());
-        xglFreeMemory(m_renderTargets.back()->memory());
+        vkDestroyObject(m_renderTargets.back()->targetView());
+        vkBindObjectMemory(m_renderTargets.back()->image(), 0, VK_NULL_HANDLE, 0);
+        vkDestroyObject(m_renderTargets.back()->image());
+        vkFreeMemory(m_renderTargets.back()->memory());
         m_renderTargets.pop_back();
     }
 
@@ -101,56 +101,56 @@
 
     // reset the driver
     delete m_device;
-    xglDestroyInstance(this->inst);
+    vkDestroyInstance(this->inst);
 }
 
 void XglRenderFramework::InitState()
 {
-    XGL_RESULT err;
+    VK_RESULT err;
 
-    m_render_target_fmt = XGL_FMT_B8G8R8A8_UNORM;
+    m_render_target_fmt = VK_FMT_B8G8R8A8_UNORM;
 
     // create a raster state (solid, back-face culling)
-    XGL_DYNAMIC_RS_STATE_CREATE_INFO raster = {};
-    raster.sType = XGL_STRUCTURE_TYPE_DYNAMIC_RS_STATE_CREATE_INFO;
+    VK_DYNAMIC_RS_STATE_CREATE_INFO raster = {};
+    raster.sType = VK_STRUCTURE_TYPE_DYNAMIC_RS_STATE_CREATE_INFO;
     raster.pointSize = 1.0;
 
-    err = xglCreateDynamicRasterState( device(), &raster, &m_stateRaster );
-    ASSERT_XGL_SUCCESS(err);
+    err = vkCreateDynamicRasterState( device(), &raster, &m_stateRaster );
+    ASSERT_VK_SUCCESS(err);
 
-    XGL_DYNAMIC_CB_STATE_CREATE_INFO blend = {};
-    blend.sType = XGL_STRUCTURE_TYPE_DYNAMIC_CB_STATE_CREATE_INFO;
-    err = xglCreateDynamicColorBlendState(device(), &blend, &m_colorBlend);
-    ASSERT_XGL_SUCCESS( err );
+    VK_DYNAMIC_CB_STATE_CREATE_INFO blend = {};
+    blend.sType = VK_STRUCTURE_TYPE_DYNAMIC_CB_STATE_CREATE_INFO;
+    err = vkCreateDynamicColorBlendState(device(), &blend, &m_colorBlend);
+    ASSERT_VK_SUCCESS( err );
 
-    XGL_DYNAMIC_DS_STATE_CREATE_INFO depthStencil = {};
-    depthStencil.sType = XGL_STRUCTURE_TYPE_DYNAMIC_DS_STATE_CREATE_INFO;
+    VK_DYNAMIC_DS_STATE_CREATE_INFO depthStencil = {};
+    depthStencil.sType = VK_STRUCTURE_TYPE_DYNAMIC_DS_STATE_CREATE_INFO;
     depthStencil.minDepth = 0.f;
     depthStencil.maxDepth = 1.f;
     depthStencil.stencilFrontRef = 0;
     depthStencil.stencilBackRef = 0;
 
-    err = xglCreateDynamicDepthStencilState( device(), &depthStencil, &m_stateDepthStencil );
-    ASSERT_XGL_SUCCESS( err );
+    err = vkCreateDynamicDepthStencilState( device(), &depthStencil, &m_stateDepthStencil );
+    ASSERT_VK_SUCCESS( err );
 
-    XGL_CMD_BUFFER_CREATE_INFO cmdInfo = {};
+    VK_CMD_BUFFER_CREATE_INFO cmdInfo = {};
 
-    cmdInfo.sType = XGL_STRUCTURE_TYPE_CMD_BUFFER_CREATE_INFO;
+    cmdInfo.sType = VK_STRUCTURE_TYPE_CMD_BUFFER_CREATE_INFO;
     cmdInfo.queueNodeIndex = m_device->graphics_queue_node_index_;
 
-    err = xglCreateCommandBuffer(device(), &cmdInfo, &m_cmdBuffer);
-    ASSERT_XGL_SUCCESS(err) << "xglCreateCommandBuffer failed";
+    err = vkCreateCommandBuffer(device(), &cmdInfo, &m_cmdBuffer);
+    ASSERT_VK_SUCCESS(err) << "vkCreateCommandBuffer failed";
 }
 
 void XglRenderFramework::InitViewport(float width, float height)
 {
-    XGL_RESULT err;
+    VK_RESULT err;
 
-    XGL_VIEWPORT viewport;
-    XGL_RECT scissor;
+    VK_VIEWPORT viewport;
+    VK_RECT scissor;
 
-    XGL_DYNAMIC_VP_STATE_CREATE_INFO viewportCreate = {};
-    viewportCreate.sType = XGL_STRUCTURE_TYPE_DYNAMIC_VP_STATE_CREATE_INFO;
+    VK_DYNAMIC_VP_STATE_CREATE_INFO viewportCreate = {};
+    viewportCreate.sType = VK_STRUCTURE_TYPE_DYNAMIC_VP_STATE_CREATE_INFO;
     viewportCreate.viewportAndScissorCount         = 1;
     viewport.originX  = 0;
     viewport.originY  = 0;
@@ -165,8 +165,8 @@
     viewportCreate.pViewports = &viewport;
     viewportCreate.pScissors = &scissor;
 
-    err = xglCreateDynamicViewportState( device(), &viewportCreate, &m_stateViewport );
-    ASSERT_XGL_SUCCESS( err );
+    err = vkCreateDynamicViewportState( device(), &viewportCreate, &m_stateViewport );
+    ASSERT_VK_SUCCESS( err );
     m_width = width;
     m_height = height;
 }
@@ -185,35 +185,35 @@
     InitRenderTarget(targets, NULL);
 }
 
-void XglRenderFramework::InitRenderTarget(XGL_DEPTH_STENCIL_BIND_INFO *dsBinding)
+void XglRenderFramework::InitRenderTarget(VK_DEPTH_STENCIL_BIND_INFO *dsBinding)
 {
     InitRenderTarget(1, dsBinding);
 }
 
-void XglRenderFramework::InitRenderTarget(uint32_t targets, XGL_DEPTH_STENCIL_BIND_INFO *dsBinding)
+void XglRenderFramework::InitRenderTarget(uint32_t targets, VK_DEPTH_STENCIL_BIND_INFO *dsBinding)
 {
-    std::vector<XGL_ATTACHMENT_LOAD_OP> load_ops;
-    std::vector<XGL_ATTACHMENT_STORE_OP> store_ops;
-    std::vector<XGL_CLEAR_COLOR> clear_colors;
+    std::vector<VK_ATTACHMENT_LOAD_OP> load_ops;
+    std::vector<VK_ATTACHMENT_STORE_OP> store_ops;
+    std::vector<VK_CLEAR_COLOR> clear_colors;
 
     uint32_t i;
 
     for (i = 0; i < targets; i++) {
         XglImage *img = new XglImage(m_device);
         img->init(m_width, m_height, m_render_target_fmt,
-                XGL_IMAGE_USAGE_SHADER_ACCESS_WRITE_BIT |
-                XGL_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
+                VK_IMAGE_USAGE_SHADER_ACCESS_WRITE_BIT |
+                VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
         m_colorBindings[i].view  = img->targetView();
-        m_colorBindings[i].layout = XGL_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+        m_colorBindings[i].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
         m_renderTargets.push_back(img);
-        load_ops.push_back(XGL_ATTACHMENT_LOAD_OP_LOAD);
-        store_ops.push_back(XGL_ATTACHMENT_STORE_OP_STORE);
+        load_ops.push_back(VK_ATTACHMENT_LOAD_OP_LOAD);
+        store_ops.push_back(VK_ATTACHMENT_STORE_OP_STORE);
         clear_colors.push_back(m_clear_color);
 //        m_mem_ref_mgr.AddMemoryRefs(*img);
     }
       // Create Framebuffer and RenderPass with color attachments and any depth/stencil attachment
-    XGL_FRAMEBUFFER_CREATE_INFO fb_info = {};
-    fb_info.sType = XGL_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
+    VK_FRAMEBUFFER_CREATE_INFO fb_info = {};
+    fb_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
     fb_info.pNext = NULL;
     fb_info.colorAttachmentCount = m_renderTargets.size();
     fb_info.pColorAttachments = m_colorBindings;
@@ -223,10 +223,10 @@
     fb_info.height = (uint32_t)m_height;
     fb_info.layers = 1;
 
-    xglCreateFramebuffer(device(), &fb_info, &m_framebuffer);
+    vkCreateFramebuffer(device(), &fb_info, &m_framebuffer);
 
-    XGL_RENDER_PASS_CREATE_INFO rp_info = {};
-    rp_info.sType = XGL_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
+    VK_RENDER_PASS_CREATE_INFO rp_info = {};
+    rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
     rp_info.renderArea.extent.width = m_width;
     rp_info.renderArea.extent.height = m_height;
 
@@ -240,19 +240,19 @@
     if (dsBinding) {
         rp_info.depthStencilLayout = dsBinding->layout;
     }
-    rp_info.depthLoadOp = XGL_ATTACHMENT_LOAD_OP_LOAD;
+    rp_info.depthLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
     rp_info.depthLoadClearValue = m_depth_clear_color;
-    rp_info.depthStoreOp = XGL_ATTACHMENT_STORE_OP_STORE;
-    rp_info.stencilLoadOp = XGL_ATTACHMENT_LOAD_OP_LOAD;
+    rp_info.depthStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
+    rp_info.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
     rp_info.stencilLoadClearValue = m_stencil_clear_color;
-    rp_info.stencilStoreOp = XGL_ATTACHMENT_STORE_OP_STORE;
-    xglCreateRenderPass(device(), &rp_info, &m_renderPass);
+    rp_info.stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
+    vkCreateRenderPass(device(), &rp_info, &m_renderPass);
 }
 
 
 
-XglDevice::XglDevice(uint32_t id, XGL_PHYSICAL_GPU obj) :
-    xgl_testing::Device(obj), id(id)
+XglDevice::XglDevice(uint32_t id, VK_PHYSICAL_GPU obj) :
+    vk_testing::Device(obj), id(id)
 {
     init();
 
@@ -281,22 +281,22 @@
 int XglDescriptorSetObj::AppendDummy()
 {
     /* request a descriptor but do not update it */
-    XGL_DESCRIPTOR_TYPE_COUNT tc = {};
-    tc.type = XGL_DESCRIPTOR_TYPE_SHADER_STORAGE_BUFFER;
+    VK_DESCRIPTOR_TYPE_COUNT tc = {};
+    tc.type = VK_DESCRIPTOR_TYPE_SHADER_STORAGE_BUFFER;
     tc.count = 1;
     m_type_counts.push_back(tc);
 
     return m_nextSlot++;
 }
 
-int XglDescriptorSetObj::AppendBuffer(XGL_DESCRIPTOR_TYPE type, XglConstantBufferObj &constantBuffer)
+int XglDescriptorSetObj::AppendBuffer(VK_DESCRIPTOR_TYPE type, XglConstantBufferObj &constantBuffer)
 {
-    XGL_DESCRIPTOR_TYPE_COUNT tc = {};
+    VK_DESCRIPTOR_TYPE_COUNT tc = {};
     tc.type = type;
     tc.count = 1;
     m_type_counts.push_back(tc);
 
-    m_updateBuffers.push_back(xgl_testing::DescriptorSet::update(type,
+    m_updateBuffers.push_back(vk_testing::DescriptorSet::update(type,
                 m_nextSlot, 0, 1, &constantBuffer.m_bufferViewInfo));
 
     // Track mem references for this descriptor set object
@@ -307,18 +307,18 @@
 
 int XglDescriptorSetObj::AppendSamplerTexture( XglSamplerObj* sampler, XglTextureObj* texture)
 {
-    XGL_DESCRIPTOR_TYPE_COUNT tc = {};
-    tc.type = XGL_DESCRIPTOR_TYPE_SAMPLER_TEXTURE;
+    VK_DESCRIPTOR_TYPE_COUNT tc = {};
+    tc.type = VK_DESCRIPTOR_TYPE_SAMPLER_TEXTURE;
     tc.count = 1;
     m_type_counts.push_back(tc);
 
-    XGL_SAMPLER_IMAGE_VIEW_INFO tmp = {};
+    VK_SAMPLER_IMAGE_VIEW_INFO tmp = {};
     tmp.sampler = sampler->obj();
     tmp.pImageView = &texture->m_textureViewInfo;
     m_samplerTextureInfo.push_back(tmp);
 
-    m_updateSamplerTextures.push_back(xgl_testing::DescriptorSet::update(m_nextSlot, 0, 1,
-                (const XGL_SAMPLER_IMAGE_VIEW_INFO *) NULL));
+    m_updateSamplerTextures.push_back(vk_testing::DescriptorSet::update(m_nextSlot, 0, 1,
+                (const VK_SAMPLER_IMAGE_VIEW_INFO *) NULL));
 
     // Track mem references for the texture referenced here
     mem_ref_mgr.AddMemoryRefs(*texture);
@@ -326,49 +326,49 @@
     return m_nextSlot++;
 }
 
-XGL_DESCRIPTOR_SET_LAYOUT_CHAIN XglDescriptorSetObj::GetLayoutChain() const
+VK_DESCRIPTOR_SET_LAYOUT_CHAIN XglDescriptorSetObj::GetLayoutChain() const
 {
     return m_layout_chain.obj();
 }
 
-XGL_DESCRIPTOR_SET XglDescriptorSetObj::GetDescriptorSetHandle() const
+VK_DESCRIPTOR_SET XglDescriptorSetObj::GetDescriptorSetHandle() const
 {
     return m_set->obj();
 }
 
-void XglDescriptorSetObj::CreateXGLDescriptorSet(XglCommandBufferObj *cmdBuffer)
+void XglDescriptorSetObj::CreateVKDescriptorSet(XglCommandBufferObj *cmdBuffer)
 {
-    // create XGL_DESCRIPTOR_POOL
-    XGL_DESCRIPTOR_POOL_CREATE_INFO pool = {};
-    pool.sType = XGL_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+    // create VK_DESCRIPTOR_POOL
+    VK_DESCRIPTOR_POOL_CREATE_INFO pool = {};
+    pool.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
     pool.count = m_type_counts.size();
     pool.pTypeCount = &m_type_counts[0];
-    init(*m_device, XGL_DESCRIPTOR_POOL_USAGE_ONE_SHOT, 1, pool);
+    init(*m_device, VK_DESCRIPTOR_POOL_USAGE_ONE_SHOT, 1, pool);
 
-    // create XGL_DESCRIPTOR_SET_LAYOUT
-    vector<XGL_DESCRIPTOR_SET_LAYOUT_BINDING> bindings;
+    // create VK_DESCRIPTOR_SET_LAYOUT
+    vector<VK_DESCRIPTOR_SET_LAYOUT_BINDING> bindings;
     bindings.resize(m_type_counts.size());
     for (int i = 0; i < m_type_counts.size(); i++) {
         bindings[i].descriptorType = m_type_counts[i].type;
         bindings[i].count = m_type_counts[i].count;
-        bindings[i].stageFlags = XGL_SHADER_STAGE_FLAGS_ALL;
+        bindings[i].stageFlags = VK_SHADER_STAGE_FLAGS_ALL;
         bindings[i].pImmutableSamplers = NULL;
     }
 
-    // create XGL_DESCRIPTOR_SET_LAYOUT
-    XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO layout = {};
-    layout.sType = XGL_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
+    // create VK_DESCRIPTOR_SET_LAYOUT
+    VK_DESCRIPTOR_SET_LAYOUT_CREATE_INFO layout = {};
+    layout.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
     layout.count = bindings.size();
     layout.pBinding = &bindings[0];
 
     m_layout.init(*m_device, layout);
 
-    vector<const xgl_testing::DescriptorSetLayout *> layouts;
+    vector<const vk_testing::DescriptorSetLayout *> layouts;
     layouts.push_back(&m_layout);
     m_layout_chain.init(*m_device, layouts);
 
-    // create XGL_DESCRIPTOR_SET
-    m_set = alloc_sets(XGL_DESCRIPTOR_SET_USAGE_STATIC, m_layout);
+    // create VK_DESCRIPTOR_SET
+    m_set = alloc_sets(VK_DESCRIPTOR_SET_USAGE_STATIC, m_layout);
 
     // build the update array
     vector<const void *> update_array;
@@ -382,7 +382,7 @@
     }
 
     // do the updates
-    m_device->begin_descriptor_pool_update(XGL_DESCRIPTOR_UPDATE_MODE_FASTEST);
+    m_device->begin_descriptor_pool_update(VK_DESCRIPTOR_UPDATE_MODE_FASTEST);
     clear_sets(*m_set);
     m_set->update(update_array);
     m_device->end_descriptor_pool_update(*cmdBuffer);
@@ -391,95 +391,95 @@
 XglImage::XglImage(XglDevice *dev)
 {
     m_device = dev;
-    m_imageInfo.view = XGL_NULL_HANDLE;
-    m_imageInfo.layout = XGL_IMAGE_LAYOUT_GENERAL;
+    m_imageInfo.view = VK_NULL_HANDLE;
+    m_imageInfo.layout = VK_IMAGE_LAYOUT_GENERAL;
 }
 
 void XglImage::ImageMemoryBarrier(
         XglCommandBufferObj *cmd_buf,
-        XGL_IMAGE_ASPECT aspect,
-        XGL_FLAGS output_mask /*=
-            XGL_MEMORY_OUTPUT_CPU_WRITE_BIT |
-            XGL_MEMORY_OUTPUT_SHADER_WRITE_BIT |
-            XGL_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
-            XGL_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-            XGL_MEMORY_OUTPUT_COPY_BIT*/,
-        XGL_FLAGS input_mask /*=
-            XGL_MEMORY_INPUT_CPU_READ_BIT |
-            XGL_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
-            XGL_MEMORY_INPUT_INDEX_FETCH_BIT |
-            XGL_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
-            XGL_MEMORY_INPUT_UNIFORM_READ_BIT |
-            XGL_MEMORY_INPUT_SHADER_READ_BIT |
-            XGL_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
-            XGL_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-            XGL_MEMORY_INPUT_COPY_BIT*/,
-        XGL_IMAGE_LAYOUT image_layout)
+        VK_IMAGE_ASPECT aspect,
+        VK_FLAGS output_mask /*=
+            VK_MEMORY_OUTPUT_CPU_WRITE_BIT |
+            VK_MEMORY_OUTPUT_SHADER_WRITE_BIT |
+            VK_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
+            VK_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+            VK_MEMORY_OUTPUT_COPY_BIT*/,
+        VK_FLAGS input_mask /*=
+            VK_MEMORY_INPUT_CPU_READ_BIT |
+            VK_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
+            VK_MEMORY_INPUT_INDEX_FETCH_BIT |
+            VK_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
+            VK_MEMORY_INPUT_UNIFORM_READ_BIT |
+            VK_MEMORY_INPUT_SHADER_READ_BIT |
+            VK_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
+            VK_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+            VK_MEMORY_INPUT_COPY_BIT*/,
+        VK_IMAGE_LAYOUT image_layout)
 {
-    const XGL_IMAGE_SUBRESOURCE_RANGE subresourceRange = subresource_range(aspect, 0, 1, 0, 1);
-    XGL_IMAGE_MEMORY_BARRIER barrier;
+    const VK_IMAGE_SUBRESOURCE_RANGE subresourceRange = subresource_range(aspect, 0, 1, 0, 1);
+    VK_IMAGE_MEMORY_BARRIER barrier;
     barrier = image_memory_barrier(output_mask, input_mask, layout(), image_layout,
                                    subresourceRange);
 
-    XGL_IMAGE_MEMORY_BARRIER *pmemory_barrier = &barrier;
+    VK_IMAGE_MEMORY_BARRIER *pmemory_barrier = &barrier;
 
-    XGL_PIPE_EVENT pipe_events[] = { XGL_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
-    XGL_PIPELINE_BARRIER pipeline_barrier = {};
-    pipeline_barrier.sType = XGL_STRUCTURE_TYPE_PIPELINE_BARRIER;
+    VK_PIPE_EVENT pipe_events[] = { VK_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
+    VK_PIPELINE_BARRIER pipeline_barrier = {};
+    pipeline_barrier.sType = VK_STRUCTURE_TYPE_PIPELINE_BARRIER;
     pipeline_barrier.pNext = NULL;
     pipeline_barrier.eventCount = 1;
     pipeline_barrier.pEvents = pipe_events;
-    pipeline_barrier.waitEvent = XGL_WAIT_EVENT_TOP_OF_PIPE;
+    pipeline_barrier.waitEvent = VK_WAIT_EVENT_TOP_OF_PIPE;
     pipeline_barrier.memBarrierCount = 1;
     pipeline_barrier.ppMemBarriers = (const void **)&pmemory_barrier;
 
     // write barrier to the command buffer
-    xglCmdPipelineBarrier(cmd_buf->obj(), &pipeline_barrier);
+    vkCmdPipelineBarrier(cmd_buf->obj(), &pipeline_barrier);
 }
 
 void XglImage::SetLayout(XglCommandBufferObj *cmd_buf,
-                         XGL_IMAGE_ASPECT aspect,
-                         XGL_IMAGE_LAYOUT image_layout)
+                         VK_IMAGE_ASPECT aspect,
+                         VK_IMAGE_LAYOUT image_layout)
 {
-    XGL_FLAGS output_mask, input_mask;
-    const XGL_FLAGS all_cache_outputs =
-            XGL_MEMORY_OUTPUT_CPU_WRITE_BIT |
-            XGL_MEMORY_OUTPUT_SHADER_WRITE_BIT |
-            XGL_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
-            XGL_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-            XGL_MEMORY_OUTPUT_COPY_BIT;
-    const XGL_FLAGS all_cache_inputs =
-            XGL_MEMORY_INPUT_CPU_READ_BIT |
-            XGL_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
-            XGL_MEMORY_INPUT_INDEX_FETCH_BIT |
-            XGL_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
-            XGL_MEMORY_INPUT_UNIFORM_READ_BIT |
-            XGL_MEMORY_INPUT_SHADER_READ_BIT |
-            XGL_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
-            XGL_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-            XGL_MEMORY_INPUT_COPY_BIT;
+    VK_FLAGS output_mask, input_mask;
+    const VK_FLAGS all_cache_outputs =
+            VK_MEMORY_OUTPUT_CPU_WRITE_BIT |
+            VK_MEMORY_OUTPUT_SHADER_WRITE_BIT |
+            VK_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
+            VK_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+            VK_MEMORY_OUTPUT_COPY_BIT;
+    const VK_FLAGS all_cache_inputs =
+            VK_MEMORY_INPUT_CPU_READ_BIT |
+            VK_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
+            VK_MEMORY_INPUT_INDEX_FETCH_BIT |
+            VK_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
+            VK_MEMORY_INPUT_UNIFORM_READ_BIT |
+            VK_MEMORY_INPUT_SHADER_READ_BIT |
+            VK_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
+            VK_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+            VK_MEMORY_INPUT_COPY_BIT;
 
     if (image_layout == m_imageInfo.layout) {
         return;
     }
 
     switch (image_layout) {
-    case XGL_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL:
-        output_mask = XGL_MEMORY_OUTPUT_COPY_BIT;
-        input_mask = XGL_MEMORY_INPUT_SHADER_READ_BIT | XGL_MEMORY_INPUT_COPY_BIT;
+    case VK_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL:
+        output_mask = VK_MEMORY_OUTPUT_COPY_BIT;
+        input_mask = VK_MEMORY_INPUT_SHADER_READ_BIT | VK_MEMORY_INPUT_COPY_BIT;
         break;
 
-    case XGL_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL:
-        output_mask = XGL_MEMORY_OUTPUT_COPY_BIT;
-        input_mask = XGL_MEMORY_INPUT_SHADER_READ_BIT | XGL_MEMORY_INPUT_COPY_BIT;
+    case VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL:
+        output_mask = VK_MEMORY_OUTPUT_COPY_BIT;
+        input_mask = VK_MEMORY_INPUT_SHADER_READ_BIT | VK_MEMORY_INPUT_COPY_BIT;
         break;
 
-    case XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL:
+    case VK_IMAGE_LAYOUT_CLEAR_OPTIMAL:
         break;
 
-    case XGL_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
-        output_mask = XGL_MEMORY_OUTPUT_COPY_BIT;
-        input_mask = XGL_MEMORY_INPUT_SHADER_READ_BIT | XGL_MEMORY_INPUT_COPY_BIT;
+    case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
+        output_mask = VK_MEMORY_OUTPUT_COPY_BIT;
+        input_mask = VK_MEMORY_INPUT_SHADER_READ_BIT | VK_MEMORY_INPUT_COPY_BIT;
         break;
 
     default:
@@ -492,10 +492,10 @@
     m_imageInfo.layout = image_layout;
 }
 
-void XglImage::SetLayout(XGL_IMAGE_ASPECT aspect,
-                         XGL_IMAGE_LAYOUT image_layout)
+void XglImage::SetLayout(VK_IMAGE_ASPECT aspect,
+                         VK_IMAGE_LAYOUT image_layout)
 {
-    XGL_RESULT err;
+    VK_RESULT err;
     XglCommandBufferObj cmd_buf(m_device);
 
     /* Build command buffer to set image layout in the driver */
@@ -510,27 +510,27 @@
     cmd_buf.QueueCommandBuffer();
 }
 
-bool XglImage::IsCompatible(XGL_FLAGS usage, XGL_FLAGS features)
+bool XglImage::IsCompatible(VK_FLAGS usage, VK_FLAGS features)
 {
-    if ((usage & XGL_IMAGE_USAGE_SHADER_ACCESS_READ_BIT) &&
-            !(features & XGL_FORMAT_IMAGE_SHADER_READ_BIT))
+    if ((usage & VK_IMAGE_USAGE_SHADER_ACCESS_READ_BIT) &&
+            !(features & VK_FORMAT_IMAGE_SHADER_READ_BIT))
         return false;
 
-    if ((usage & XGL_IMAGE_USAGE_SHADER_ACCESS_WRITE_BIT) &&
-            !(features & XGL_FORMAT_IMAGE_SHADER_WRITE_BIT))
+    if ((usage & VK_IMAGE_USAGE_SHADER_ACCESS_WRITE_BIT) &&
+            !(features & VK_FORMAT_IMAGE_SHADER_WRITE_BIT))
         return false;
 
     return true;
 }
 
 void XglImage::init(uint32_t w, uint32_t h,
-               XGL_FORMAT fmt, XGL_FLAGS usage,
-               XGL_IMAGE_TILING requested_tiling)
+               VK_FORMAT fmt, VK_FLAGS usage,
+               VK_IMAGE_TILING requested_tiling)
 {
     uint32_t mipCount;
-    XGL_FORMAT_PROPERTIES image_fmt;
-    XGL_IMAGE_TILING tiling;
-    XGL_RESULT err;
+    VK_FORMAT_PROPERTIES image_fmt;
+    VK_IMAGE_TILING tiling;
+    VK_RESULT err;
     size_t size;
 
     mipCount = 0;
@@ -545,29 +545,29 @@
     }
 
     size = sizeof(image_fmt);
-    err = xglGetFormatInfo(m_device->obj(), fmt,
-        XGL_INFO_TYPE_FORMAT_PROPERTIES,
+    err = vkGetFormatInfo(m_device->obj(), fmt,
+        VK_INFO_TYPE_FORMAT_PROPERTIES,
         &size, &image_fmt);
-    ASSERT_XGL_SUCCESS(err);
+    ASSERT_VK_SUCCESS(err);
 
-    if (requested_tiling == XGL_LINEAR_TILING) {
+    if (requested_tiling == VK_LINEAR_TILING) {
         if (IsCompatible(usage, image_fmt.linearTilingFeatures)) {
-            tiling = XGL_LINEAR_TILING;
+            tiling = VK_LINEAR_TILING;
         } else if (IsCompatible(usage, image_fmt.optimalTilingFeatures)) {
-            tiling = XGL_OPTIMAL_TILING;
+            tiling = VK_OPTIMAL_TILING;
         } else {
             ASSERT_TRUE(false) << "Error: Cannot find requested tiling configuration";
         }
     } else if (IsCompatible(usage, image_fmt.optimalTilingFeatures)) {
-        tiling = XGL_OPTIMAL_TILING;
+        tiling = VK_OPTIMAL_TILING;
     } else if (IsCompatible(usage, image_fmt.linearTilingFeatures)) {
-        tiling = XGL_LINEAR_TILING;
+        tiling = VK_LINEAR_TILING;
     } else {
          ASSERT_TRUE(false) << "Error: Cannot find requested tiling configuration";
     }
 
-    XGL_IMAGE_CREATE_INFO imageCreateInfo = xgl_testing::Image::create_info();
-    imageCreateInfo.imageType = XGL_IMAGE_2D;
+    VK_IMAGE_CREATE_INFO imageCreateInfo = vk_testing::Image::create_info();
+    imageCreateInfo.imageType = VK_IMAGE_2D;
     imageCreateInfo.format = fmt;
     imageCreateInfo.extent.width = w;
     imageCreateInfo.extent.height = h;
@@ -576,32 +576,32 @@
 
     imageCreateInfo.usage = usage;
 
-    xgl_testing::Image::init(*m_device, imageCreateInfo);
+    vk_testing::Image::init(*m_device, imageCreateInfo);
 
-    if (usage & XGL_IMAGE_USAGE_SHADER_ACCESS_READ_BIT) {
-        SetLayout(XGL_IMAGE_ASPECT_COLOR, XGL_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+    if (usage & VK_IMAGE_USAGE_SHADER_ACCESS_READ_BIT) {
+        SetLayout(VK_IMAGE_ASPECT_COLOR, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
     } else {
-        SetLayout(XGL_IMAGE_ASPECT_COLOR, XGL_IMAGE_LAYOUT_GENERAL);
+        SetLayout(VK_IMAGE_ASPECT_COLOR, VK_IMAGE_LAYOUT_GENERAL);
     }
 }
 
-XGL_RESULT XglImage::MapMemory(void** ptr)
+VK_RESULT XglImage::MapMemory(void** ptr)
 {
     *ptr = map();
-    return (*ptr) ? XGL_SUCCESS : XGL_ERROR_UNKNOWN;
+    return (*ptr) ? VK_SUCCESS : VK_ERROR_UNKNOWN;
 }
 
-XGL_RESULT XglImage::UnmapMemory()
+VK_RESULT XglImage::UnmapMemory()
 {
     unmap();
-    return XGL_SUCCESS;
+    return VK_SUCCESS;
 }
 
-XGL_RESULT XglImage::CopyImage(XglImage &src_image)
+VK_RESULT XglImage::CopyImage(XglImage &src_image)
 {
-    XGL_RESULT err;
+    VK_RESULT err;
     XglCommandBufferObj cmd_buf(m_device);
-    XGL_IMAGE_LAYOUT src_image_layout, dest_image_layout;
+    VK_IMAGE_LAYOUT src_image_layout, dest_image_layout;
 
     /* Build command buffer to copy staging texture to usable texture */
     err = cmd_buf.BeginCommandBuffer();
@@ -609,19 +609,19 @@
 
     /* TODO: Can we determine image aspect from image object? */
     src_image_layout = src_image.layout();
-    src_image.SetLayout(&cmd_buf, XGL_IMAGE_ASPECT_COLOR, XGL_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL);
+    src_image.SetLayout(&cmd_buf, VK_IMAGE_ASPECT_COLOR, VK_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL);
 
     dest_image_layout = this->layout();
-    this->SetLayout(&cmd_buf, XGL_IMAGE_ASPECT_COLOR, XGL_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL);
+    this->SetLayout(&cmd_buf, VK_IMAGE_ASPECT_COLOR, VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL);
 
-    XGL_IMAGE_COPY copy_region = {};
-    copy_region.srcSubresource.aspect = XGL_IMAGE_ASPECT_COLOR;
+    VK_IMAGE_COPY copy_region = {};
+    copy_region.srcSubresource.aspect = VK_IMAGE_ASPECT_COLOR;
     copy_region.srcSubresource.arraySlice = 0;
     copy_region.srcSubresource.mipLevel = 0;
     copy_region.srcOffset.x = 0;
     copy_region.srcOffset.y = 0;
     copy_region.srcOffset.z = 0;
-    copy_region.destSubresource.aspect = XGL_IMAGE_ASPECT_COLOR;
+    copy_region.destSubresource.aspect = VK_IMAGE_ASPECT_COLOR;
     copy_region.destSubresource.arraySlice = 0;
     copy_region.destSubresource.mipLevel = 0;
     copy_region.destOffset.x = 0;
@@ -629,56 +629,56 @@
     copy_region.destOffset.z = 0;
     copy_region.extent = src_image.extent();
 
-    xglCmdCopyImage(cmd_buf.obj(),
+    vkCmdCopyImage(cmd_buf.obj(),
                     src_image.obj(), src_image.layout(),
                     obj(), layout(),
                     1, &copy_region);
     cmd_buf.mem_ref_mgr.AddMemoryRefs(src_image);
     cmd_buf.mem_ref_mgr.AddMemoryRefs(*this);
 
-    src_image.SetLayout(&cmd_buf, XGL_IMAGE_ASPECT_COLOR, src_image_layout);
+    src_image.SetLayout(&cmd_buf, VK_IMAGE_ASPECT_COLOR, src_image_layout);
 
-    this->SetLayout(&cmd_buf, XGL_IMAGE_ASPECT_COLOR, dest_image_layout);
+    this->SetLayout(&cmd_buf, VK_IMAGE_ASPECT_COLOR, dest_image_layout);
 
     err = cmd_buf.EndCommandBuffer();
     assert(!err);
 
     cmd_buf.QueueCommandBuffer();
 
-    return XGL_SUCCESS;
+    return VK_SUCCESS;
 }
 
 XglTextureObj::XglTextureObj(XglDevice *device, uint32_t *colors)
     :XglImage(device)
 {
     m_device = device;
-    const XGL_FORMAT tex_format = XGL_FMT_B8G8R8A8_UNORM;
+    const VK_FORMAT tex_format = VK_FMT_B8G8R8A8_UNORM;
     uint32_t tex_colors[2] = { 0xffff0000, 0xff00ff00 };
     void *data;
     int32_t x, y;
     XglImage stagingImage(device);
 
-    stagingImage.init(16, 16, tex_format, 0, XGL_LINEAR_TILING);
-    XGL_SUBRESOURCE_LAYOUT layout = stagingImage.subresource_layout(subresource(XGL_IMAGE_ASPECT_COLOR, 0, 0));
+    stagingImage.init(16, 16, tex_format, 0, VK_LINEAR_TILING);
+    VK_SUBRESOURCE_LAYOUT layout = stagingImage.subresource_layout(subresource(VK_IMAGE_ASPECT_COLOR, 0, 0));
 
     if (colors == NULL)
         colors = tex_colors;
 
     memset(&m_textureViewInfo,0,sizeof(m_textureViewInfo));
 
-    m_textureViewInfo.sType = XGL_STRUCTURE_TYPE_IMAGE_VIEW_ATTACH_INFO;
+    m_textureViewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_ATTACH_INFO;
 
-    XGL_IMAGE_VIEW_CREATE_INFO view = {};
-    view.sType = XGL_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+    VK_IMAGE_VIEW_CREATE_INFO view = {};
+    view.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
     view.pNext = NULL;
-    view.image = XGL_NULL_HANDLE;
-    view.viewType = XGL_IMAGE_VIEW_2D;
+    view.image = VK_NULL_HANDLE;
+    view.viewType = VK_IMAGE_VIEW_2D;
     view.format = tex_format;
-    view.channels.r = XGL_CHANNEL_SWIZZLE_R;
-    view.channels.g = XGL_CHANNEL_SWIZZLE_G;
-    view.channels.b = XGL_CHANNEL_SWIZZLE_B;
-    view.channels.a = XGL_CHANNEL_SWIZZLE_A;
-    view.subresourceRange.aspect = XGL_IMAGE_ASPECT_COLOR;
+    view.channels.r = VK_CHANNEL_SWIZZLE_R;
+    view.channels.g = VK_CHANNEL_SWIZZLE_G;
+    view.channels.b = VK_CHANNEL_SWIZZLE_B;
+    view.channels.a = VK_CHANNEL_SWIZZLE_A;
+    view.subresourceRange.aspect = VK_IMAGE_ASPECT_COLOR;
     view.subresourceRange.baseMipLevel = 0;
     view.subresourceRange.mipLevels = 1;
     view.subresourceRange.baseArraySlice = 0;
@@ -686,7 +686,7 @@
     view.minLod = 0.0f;
 
     /* create image */
-    init(16, 16, tex_format, XGL_IMAGE_USAGE_SHADER_ACCESS_READ_BIT, XGL_OPTIMAL_TILING);
+    init(16, 16, tex_format, VK_IMAGE_USAGE_SHADER_ACCESS_READ_BIT, VK_OPTIMAL_TILING);
 
     /* create image view */
     view.image = obj();
@@ -708,21 +708,21 @@
 {
     m_device = device;
 
-    XGL_SAMPLER_CREATE_INFO samplerCreateInfo;
+    VK_SAMPLER_CREATE_INFO samplerCreateInfo;
     memset(&samplerCreateInfo,0,sizeof(samplerCreateInfo));
-    samplerCreateInfo.sType = XGL_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
-    samplerCreateInfo.magFilter = XGL_TEX_FILTER_NEAREST;
-    samplerCreateInfo.minFilter = XGL_TEX_FILTER_NEAREST;
-    samplerCreateInfo.mipMode = XGL_TEX_MIPMAP_BASE;
-    samplerCreateInfo.addressU = XGL_TEX_ADDRESS_WRAP;
-    samplerCreateInfo.addressV = XGL_TEX_ADDRESS_WRAP;
-    samplerCreateInfo.addressW = XGL_TEX_ADDRESS_WRAP;
+    samplerCreateInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
+    samplerCreateInfo.magFilter = VK_TEX_FILTER_NEAREST;
+    samplerCreateInfo.minFilter = VK_TEX_FILTER_NEAREST;
+    samplerCreateInfo.mipMode = VK_TEX_MIPMAP_BASE;
+    samplerCreateInfo.addressU = VK_TEX_ADDRESS_WRAP;
+    samplerCreateInfo.addressV = VK_TEX_ADDRESS_WRAP;
+    samplerCreateInfo.addressW = VK_TEX_ADDRESS_WRAP;
     samplerCreateInfo.mipLodBias = 0.0;
     samplerCreateInfo.maxAnisotropy = 0.0;
-    samplerCreateInfo.compareFunc = XGL_COMPARE_NEVER;
+    samplerCreateInfo.compareFunc = VK_COMPARE_NEVER;
     samplerCreateInfo.minLod = 0.0;
     samplerCreateInfo.maxLod = 0.0;
-    samplerCreateInfo.borderColorType = XGL_BORDER_COLOR_OPAQUE_WHITE;
+    samplerCreateInfo.borderColorType = VK_BORDER_COLOR_OPAQUE_WHITE;
 
     init(*m_device, samplerCreateInfo);
 }
@@ -763,47 +763,47 @@
     unmap();
 
     // set up the buffer view for the constant buffer
-    XGL_BUFFER_VIEW_CREATE_INFO view_info = {};
-    view_info.sType = XGL_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO;
+    VK_BUFFER_VIEW_CREATE_INFO view_info = {};
+    view_info.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO;
     view_info.buffer = obj();
-    view_info.viewType = XGL_BUFFER_VIEW_RAW;
+    view_info.viewType = VK_BUFFER_VIEW_RAW;
     view_info.offset = 0;
     view_info.range  = allocationSize;
     m_bufferView.init(*m_device, view_info);
 
-    this->m_bufferViewInfo.sType = XGL_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
+    this->m_bufferViewInfo.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
     this->m_bufferViewInfo.view = m_bufferView.obj();
 }
 
-void XglConstantBufferObj::Bind(XGL_CMD_BUFFER cmdBuffer, XGL_GPU_SIZE offset, uint32_t binding)
+void XglConstantBufferObj::Bind(VK_CMD_BUFFER cmdBuffer, VK_GPU_SIZE offset, uint32_t binding)
 {
-    xglCmdBindVertexBuffer(cmdBuffer, obj(), offset, binding);
+    vkCmdBindVertexBuffer(cmdBuffer, obj(), offset, binding);
 }
 
 
 void XglConstantBufferObj::BufferMemoryBarrier(
-        XGL_FLAGS outputMask /*=
-            XGL_MEMORY_OUTPUT_CPU_WRITE_BIT |
-            XGL_MEMORY_OUTPUT_SHADER_WRITE_BIT |
-            XGL_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
-            XGL_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-            XGL_MEMORY_OUTPUT_COPY_BIT*/,
-        XGL_FLAGS inputMask /*=
-            XGL_MEMORY_INPUT_CPU_READ_BIT |
-            XGL_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
-            XGL_MEMORY_INPUT_INDEX_FETCH_BIT |
-            XGL_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
-            XGL_MEMORY_INPUT_UNIFORM_READ_BIT |
-            XGL_MEMORY_INPUT_SHADER_READ_BIT |
-            XGL_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
-            XGL_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-            XGL_MEMORY_INPUT_COPY_BIT*/)
+        VK_FLAGS outputMask /*=
+            VK_MEMORY_OUTPUT_CPU_WRITE_BIT |
+            VK_MEMORY_OUTPUT_SHADER_WRITE_BIT |
+            VK_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
+            VK_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+            VK_MEMORY_OUTPUT_COPY_BIT*/,
+        VK_FLAGS inputMask /*=
+            VK_MEMORY_INPUT_CPU_READ_BIT |
+            VK_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
+            VK_MEMORY_INPUT_INDEX_FETCH_BIT |
+            VK_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
+            VK_MEMORY_INPUT_UNIFORM_READ_BIT |
+            VK_MEMORY_INPUT_SHADER_READ_BIT |
+            VK_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
+            VK_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+            VK_MEMORY_INPUT_COPY_BIT*/)
 {
-    XGL_RESULT err = XGL_SUCCESS;
+    VK_RESULT err = VK_SUCCESS;
 
     if (!m_commandBuffer)
     {
-        m_fence.init(*m_device, xgl_testing::Fence::create_info());
+        m_fence.init(*m_device, vk_testing::Fence::create_info());
 
         m_commandBuffer = new XglCommandBufferObj(m_device);
     }
@@ -814,24 +814,24 @@
     }
 
     // open the command buffer
-    XGL_CMD_BUFFER_BEGIN_INFO cmd_buf_info = {};
-    cmd_buf_info.sType = XGL_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO;
+    VK_CMD_BUFFER_BEGIN_INFO cmd_buf_info = {};
+    cmd_buf_info.sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO;
     cmd_buf_info.pNext = NULL;
     cmd_buf_info.flags = 0;
 
     err = m_commandBuffer->BeginCommandBuffer(&cmd_buf_info);
-    ASSERT_XGL_SUCCESS(err);
+    ASSERT_VK_SUCCESS(err);
 
-    XGL_BUFFER_MEMORY_BARRIER memory_barrier =
+    VK_BUFFER_MEMORY_BARRIER memory_barrier =
         buffer_memory_barrier(outputMask, inputMask, 0, m_numVertices * m_stride);
-    XGL_BUFFER_MEMORY_BARRIER *pmemory_barrier = &memory_barrier;
+    VK_BUFFER_MEMORY_BARRIER *pmemory_barrier = &memory_barrier;
 
-    XGL_PIPE_EVENT set_events[] = { XGL_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
-    XGL_PIPELINE_BARRIER pipeline_barrier = {};
-    pipeline_barrier.sType = XGL_STRUCTURE_TYPE_PIPELINE_BARRIER;
+    VK_PIPE_EVENT set_events[] = { VK_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
+    VK_PIPELINE_BARRIER pipeline_barrier = {};
+    pipeline_barrier.sType = VK_STRUCTURE_TYPE_PIPELINE_BARRIER;
     pipeline_barrier.eventCount = 1;
     pipeline_barrier.pEvents = set_events;
-    pipeline_barrier.waitEvent = XGL_WAIT_EVENT_TOP_OF_PIPE;
+    pipeline_barrier.waitEvent = VK_WAIT_EVENT_TOP_OF_PIPE;
     pipeline_barrier.memBarrierCount = 1;
     pipeline_barrier.ppMemBarriers = (const void **)&pmemory_barrier;
 
@@ -840,7 +840,7 @@
 
     // finish recording the command buffer
     err = m_commandBuffer->EndCommandBuffer();
-    ASSERT_XGL_SUCCESS(err);
+    ASSERT_VK_SUCCESS(err);
 
     /*
      * Tell driver about memory references made in this command buffer
@@ -850,10 +850,10 @@
     m_commandBuffer->mem_ref_mgr.EmitAddMemoryRefs(m_device->m_queue);
 
     // submit the command buffer to the universal queue
-    XGL_CMD_BUFFER bufferArray[1];
+    VK_CMD_BUFFER bufferArray[1];
     bufferArray[0] = m_commandBuffer->GetBufferHandle();
-    err = xglQueueSubmit( m_device->m_queue, 1, bufferArray, m_fence.obj() );
-    ASSERT_XGL_SUCCESS(err);
+    err = vkQueueSubmit( m_device->m_queue, 1, bufferArray, m_fence.obj() );
+    ASSERT_VK_SUCCESS(err);
 }
 
 XglIndexBufferObj::XglIndexBufferObj(XglDevice *device)
@@ -862,24 +862,24 @@
 
 }
 
-void XglIndexBufferObj::CreateAndInitBuffer(int numIndexes, XGL_INDEX_TYPE indexType, const void* data)
+void XglIndexBufferObj::CreateAndInitBuffer(int numIndexes, VK_INDEX_TYPE indexType, const void* data)
 {
-    XGL_FORMAT viewFormat;
+    VK_FORMAT viewFormat;
 
     m_numVertices = numIndexes;
     m_indexType = indexType;
     switch (indexType) {
-    case XGL_INDEX_8:
+    case VK_INDEX_8:
         m_stride = 1;
-        viewFormat = XGL_FMT_R8_UINT;
+        viewFormat = VK_FMT_R8_UINT;
         break;
-    case XGL_INDEX_16:
+    case VK_INDEX_16:
         m_stride = 2;
-        viewFormat = XGL_FMT_R16_UINT;
+        viewFormat = VK_FMT_R16_UINT;
         break;
-    case XGL_INDEX_32:
+    case VK_INDEX_32:
         m_stride = 4;
-        viewFormat = XGL_FMT_R32_UINT;
+        viewFormat = VK_FMT_R32_UINT;
         break;
     default:
         assert(!"unknown index type");
@@ -894,52 +894,52 @@
     unmap();
 
     // set up the buffer view for the constant buffer
-    XGL_BUFFER_VIEW_CREATE_INFO view_info = {};
-    view_info.sType = XGL_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO;
+    VK_BUFFER_VIEW_CREATE_INFO view_info = {};
+    view_info.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO;
     view_info.buffer = obj();
-    view_info.viewType = XGL_BUFFER_VIEW_TYPED;
+    view_info.viewType = VK_BUFFER_VIEW_TYPED;
     view_info.format = viewFormat;
     view_info.offset = 0;
     view_info.range  = allocationSize;
     m_bufferView.init(*m_device, view_info);
 
-    this->m_bufferViewInfo.sType = XGL_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
+    this->m_bufferViewInfo.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
     this->m_bufferViewInfo.view = m_bufferView.obj();
 }
 
-void XglIndexBufferObj::Bind(XGL_CMD_BUFFER cmdBuffer, XGL_GPU_SIZE offset)
+void XglIndexBufferObj::Bind(VK_CMD_BUFFER cmdBuffer, VK_GPU_SIZE offset)
 {
-    xglCmdBindIndexBuffer(cmdBuffer, obj(), offset, m_indexType);
+    vkCmdBindIndexBuffer(cmdBuffer, obj(), offset, m_indexType);
 }
 
-XGL_INDEX_TYPE XglIndexBufferObj::GetIndexType()
+VK_INDEX_TYPE XglIndexBufferObj::GetIndexType()
 {
     return m_indexType;
 }
 
-XGL_PIPELINE_SHADER_STAGE_CREATE_INFO* XglShaderObj::GetStageCreateInfo()
+VK_PIPELINE_SHADER_STAGE_CREATE_INFO* XglShaderObj::GetStageCreateInfo()
 {
-    XGL_PIPELINE_SHADER_STAGE_CREATE_INFO *stageInfo = (XGL_PIPELINE_SHADER_STAGE_CREATE_INFO*) calloc( 1,sizeof(XGL_PIPELINE_SHADER_STAGE_CREATE_INFO) );
-    stageInfo->sType = XGL_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    VK_PIPELINE_SHADER_STAGE_CREATE_INFO *stageInfo = (VK_PIPELINE_SHADER_STAGE_CREATE_INFO*) calloc( 1,sizeof(VK_PIPELINE_SHADER_STAGE_CREATE_INFO) );
+    stageInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
     stageInfo->shader.stage = m_stage;
     stageInfo->shader.shader = obj();
     stageInfo->shader.linkConstBufferCount = 0;
-    stageInfo->shader.pLinkConstBufferInfo = XGL_NULL_HANDLE;
+    stageInfo->shader.pLinkConstBufferInfo = VK_NULL_HANDLE;
 
     return stageInfo;
 }
 
-XglShaderObj::XglShaderObj(XglDevice *device, const char * shader_code, XGL_PIPELINE_SHADER_STAGE stage, XglRenderFramework *framework)
+XglShaderObj::XglShaderObj(XglDevice *device, const char * shader_code, VK_PIPELINE_SHADER_STAGE stage, XglRenderFramework *framework)
 {
-    XGL_RESULT err = XGL_SUCCESS;
+    VK_RESULT err = VK_SUCCESS;
     std::vector<unsigned int> spv;
-    XGL_SHADER_CREATE_INFO createInfo;
+    VK_SHADER_CREATE_INFO createInfo;
     size_t shader_len;
 
     m_stage = stage;
     m_device = device;
 
-    createInfo.sType = XGL_STRUCTURE_TYPE_SHADER_CREATE_INFO;
+    createInfo.sType = VK_STRUCTURE_TYPE_SHADER_CREATE_INFO;
     createInfo.pNext = NULL;
 
     if (!framework->m_use_spv) {
@@ -949,7 +949,7 @@
         createInfo.pCode = malloc(createInfo.codeSize);
         createInfo.flags = 0;
 
-        /* try version 0 first: XGL_PIPELINE_SHADER_STAGE followed by GLSL */
+        /* try version 0 first: VK_PIPELINE_SHADER_STAGE followed by GLSL */
         ((uint32_t *) createInfo.pCode)[0] = ICD_SPV_MAGIC;
         ((uint32_t *) createInfo.pCode)[1] = 0;
         ((uint32_t *) createInfo.pCode)[2] = stage;
@@ -960,7 +960,7 @@
 
     if (framework->m_use_spv || err) {
         std::vector<unsigned int> spv;
-        err = XGL_SUCCESS;
+        err = VK_SUCCESS;
 
         // Use Reference GLSL to SPV compiler
         framework->GLSLtoSPV(stage, shader_code, spv);
@@ -978,55 +978,55 @@
     m_vi_state.attributeCount = m_vi_state.bindingCount = 0;
     m_vertexBufferCount = 0;
 
-    m_ia_state.sType = XGL_STRUCTURE_TYPE_PIPELINE_IA_STATE_CREATE_INFO;
-    m_ia_state.pNext = XGL_NULL_HANDLE;
-    m_ia_state.topology = XGL_TOPOLOGY_TRIANGLE_LIST;
-    m_ia_state.disableVertexReuse = XGL_FALSE;
-    m_ia_state.primitiveRestartEnable = XGL_FALSE;
+    m_ia_state.sType = VK_STRUCTURE_TYPE_PIPELINE_IA_STATE_CREATE_INFO;
+    m_ia_state.pNext = VK_NULL_HANDLE;
+    m_ia_state.topology = VK_TOPOLOGY_TRIANGLE_LIST;
+    m_ia_state.disableVertexReuse = VK_FALSE;
+    m_ia_state.primitiveRestartEnable = VK_FALSE;
     m_ia_state.primitiveRestartIndex = 0;
 
-    m_rs_state.sType = XGL_STRUCTURE_TYPE_PIPELINE_RS_STATE_CREATE_INFO;
+    m_rs_state.sType = VK_STRUCTURE_TYPE_PIPELINE_RS_STATE_CREATE_INFO;
     m_rs_state.pNext = &m_ia_state;
-    m_rs_state.depthClipEnable = XGL_FALSE;
-    m_rs_state.rasterizerDiscardEnable = XGL_FALSE;
-    m_rs_state.programPointSize = XGL_FALSE;
-    m_rs_state.pointOrigin = XGL_COORDINATE_ORIGIN_UPPER_LEFT;
-    m_rs_state.provokingVertex = XGL_PROVOKING_VERTEX_LAST;
-    m_rs_state.fillMode = XGL_FILL_SOLID;
-    m_rs_state.cullMode = XGL_CULL_NONE;
-    m_rs_state.frontFace = XGL_FRONT_FACE_CCW;
+    m_rs_state.depthClipEnable = VK_FALSE;
+    m_rs_state.rasterizerDiscardEnable = VK_FALSE;
+    m_rs_state.programPointSize = VK_FALSE;
+    m_rs_state.pointOrigin = VK_COORDINATE_ORIGIN_UPPER_LEFT;
+    m_rs_state.provokingVertex = VK_PROVOKING_VERTEX_LAST;
+    m_rs_state.fillMode = VK_FILL_SOLID;
+    m_rs_state.cullMode = VK_CULL_NONE;
+    m_rs_state.frontFace = VK_FRONT_FACE_CCW;
 
     memset(&m_cb_state,0,sizeof(m_cb_state));
-    m_cb_state.sType = XGL_STRUCTURE_TYPE_PIPELINE_CB_STATE_CREATE_INFO;
+    m_cb_state.sType = VK_STRUCTURE_TYPE_PIPELINE_CB_STATE_CREATE_INFO;
     m_cb_state.pNext = &m_rs_state;
-    m_cb_state.alphaToCoverageEnable = XGL_FALSE;
-    m_cb_state.logicOp = XGL_LOGIC_OP_COPY;
+    m_cb_state.alphaToCoverageEnable = VK_FALSE;
+    m_cb_state.logicOp = VK_LOGIC_OP_COPY;
 
     m_ms_state.pNext = &m_cb_state;
-    m_ms_state.sType = XGL_STRUCTURE_TYPE_PIPELINE_MS_STATE_CREATE_INFO;
-    m_ms_state.multisampleEnable = XGL_FALSE;
+    m_ms_state.sType = VK_STRUCTURE_TYPE_PIPELINE_MS_STATE_CREATE_INFO;
+    m_ms_state.multisampleEnable = VK_FALSE;
     m_ms_state.sampleMask = 1;                // Do we have to specify MSAA even just to disable it?
     m_ms_state.samples = 1;
     m_ms_state.minSampleShading = 0;
     m_ms_state.sampleShadingEnable = 0;
 
-    m_ds_state.sType = XGL_STRUCTURE_TYPE_PIPELINE_DS_STATE_CREATE_INFO;
+    m_ds_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DS_STATE_CREATE_INFO;
     m_ds_state.pNext = &m_ms_state,
-    m_ds_state.format = XGL_FMT_D32_SFLOAT;
-    m_ds_state.depthTestEnable      = XGL_FALSE;
-    m_ds_state.depthWriteEnable     = XGL_FALSE;
-    m_ds_state.depthBoundsEnable    = XGL_FALSE;
-    m_ds_state.depthFunc = XGL_COMPARE_LESS_EQUAL;
-    m_ds_state.back.stencilDepthFailOp = XGL_STENCIL_OP_KEEP;
-    m_ds_state.back.stencilFailOp = XGL_STENCIL_OP_KEEP;
-    m_ds_state.back.stencilPassOp = XGL_STENCIL_OP_KEEP;
-    m_ds_state.back.stencilFunc = XGL_COMPARE_ALWAYS;
-    m_ds_state.stencilTestEnable = XGL_FALSE;
+    m_ds_state.format = VK_FMT_D32_SFLOAT;
+    m_ds_state.depthTestEnable      = VK_FALSE;
+    m_ds_state.depthWriteEnable     = VK_FALSE;
+    m_ds_state.depthBoundsEnable    = VK_FALSE;
+    m_ds_state.depthFunc = VK_COMPARE_LESS_EQUAL;
+    m_ds_state.back.stencilDepthFailOp = VK_STENCIL_OP_KEEP;
+    m_ds_state.back.stencilFailOp = VK_STENCIL_OP_KEEP;
+    m_ds_state.back.stencilPassOp = VK_STENCIL_OP_KEEP;
+    m_ds_state.back.stencilFunc = VK_COMPARE_ALWAYS;
+    m_ds_state.stencilTestEnable = VK_FALSE;
     m_ds_state.front = m_ds_state.back;
 
-    XGL_PIPELINE_CB_ATTACHMENT_STATE att = {};
-    att.blendEnable = XGL_FALSE;
-    att.format = XGL_FMT_B8G8R8A8_UNORM;
+    VK_PIPELINE_CB_ATTACHMENT_STATE att = {};
+    att.blendEnable = VK_FALSE;
+    att.format = VK_FMT_B8G8R8A8_UNORM;
     att.channelWriteMask = 0xf;
     AddColorAttachment(0, &att);
 
@@ -1037,13 +1037,13 @@
     m_shaderObjs.push_back(shader);
 }
 
-void XglPipelineObj::AddVertexInputAttribs(XGL_VERTEX_INPUT_ATTRIBUTE_DESCRIPTION* vi_attrib, int count)
+void XglPipelineObj::AddVertexInputAttribs(VK_VERTEX_INPUT_ATTRIBUTE_DESCRIPTION* vi_attrib, int count)
 {
     m_vi_state.pVertexAttributeDescriptions = vi_attrib;
     m_vi_state.attributeCount = count;
 }
 
-void XglPipelineObj::AddVertexInputBindings(XGL_VERTEX_INPUT_BINDING_DESCRIPTION* vi_binding, int count)
+void XglPipelineObj::AddVertexInputBindings(VK_VERTEX_INPUT_BINDING_DESCRIPTION* vi_binding, int count)
 {
     m_vi_state.pVertexBindingDescriptions = vi_binding;
     m_vi_state.bindingCount = count;
@@ -1056,7 +1056,7 @@
     m_vertexBufferCount++;
 }
 
-void XglPipelineObj::AddColorAttachment(uint32_t binding, const XGL_PIPELINE_CB_ATTACHMENT_STATE *att)
+void XglPipelineObj::AddColorAttachment(uint32_t binding, const VK_PIPELINE_CB_ATTACHMENT_STATE *att)
 {
     if (binding+1 > m_colorAttachments.size())
     {
@@ -1065,7 +1065,7 @@
     m_colorAttachments[binding] = *att;
 }
 
-void XglPipelineObj::SetDepthStencil(XGL_PIPELINE_DS_STATE_CREATE_INFO *ds_state)
+void XglPipelineObj::SetDepthStencil(VK_PIPELINE_DS_STATE_CREATE_INFO *ds_state)
 {
     m_ds_state.format = ds_state->format;
     m_ds_state.depthTestEnable = ds_state->depthTestEnable;
@@ -1077,12 +1077,12 @@
     m_ds_state.front = ds_state->front;
 }
 
-void XglPipelineObj::CreateXGLPipeline(XglDescriptorSetObj &descriptorSet)
+void XglPipelineObj::CreateVKPipeline(XglDescriptorSetObj &descriptorSet)
 {
     void* head_ptr = &m_ds_state;
-    XGL_GRAPHICS_PIPELINE_CREATE_INFO info = {};
+    VK_GRAPHICS_PIPELINE_CREATE_INFO info = {};
 
-    XGL_PIPELINE_SHADER_STAGE_CREATE_INFO* shaderCreateInfo;
+    VK_PIPELINE_SHADER_STAGE_CREATE_INFO* shaderCreateInfo;
 
     for (int i=0; i<m_shaderObjs.size(); i++)
     {
@@ -1093,12 +1093,12 @@
 
     if (m_vi_state.attributeCount && m_vi_state.bindingCount)
     {
-        m_vi_state.sType = XGL_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_CREATE_INFO;
+        m_vi_state.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_CREATE_INFO;
         m_vi_state.pNext = head_ptr;
         head_ptr = &m_vi_state;
     }
 
-    info.sType = XGL_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
+    info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
     info.pNext = head_ptr;
     info.flags = 0;
     info.pSetLayoutChain = descriptorSet.GetLayoutChain();
@@ -1109,9 +1109,9 @@
     init(*m_device, info);
 }
 
-vector<XGL_GPU_MEMORY> XglMemoryRefManager::mem_refs() const
+vector<VK_GPU_MEMORY> XglMemoryRefManager::mem_refs() const
 {
-    std::vector<XGL_GPU_MEMORY> mems;
+    std::vector<VK_GPU_MEMORY> mems;
     if (this->mem_refs_.size()) {
         mems.reserve(this->mem_refs_.size());
         for (uint32_t i = 0; i < this->mem_refs_.size(); i++)
@@ -1121,13 +1121,13 @@
     return mems;
 }
 
-void XglMemoryRefManager::AddMemoryRefs(xgl_testing::Object &xglObject)
+void XglMemoryRefManager::AddMemoryRefs(vk_testing::Object &vkObject)
 {
-    const std::vector<XGL_GPU_MEMORY> mems = xglObject.memories();
+    const std::vector<VK_GPU_MEMORY> mems = vkObject.memories();
     AddMemoryRefs(mems);
 }
 
-void XglMemoryRefManager::AddMemoryRefs(vector<XGL_GPU_MEMORY> mem)
+void XglMemoryRefManager::AddMemoryRefs(vector<VK_GPU_MEMORY> mem)
 {
     for (size_t i = 0; i < mem.size(); i++) {
         if (mem[i] != NULL) {
@@ -1136,105 +1136,105 @@
     }
 }
 
-void XglMemoryRefManager::EmitAddMemoryRefs(XGL_QUEUE queue)
+void XglMemoryRefManager::EmitAddMemoryRefs(VK_QUEUE queue)
 {
     for (uint32_t i = 0; i < mem_refs_.size(); i++) {
-        xglQueueAddMemReference(queue, mem_refs_[i]);
+        vkQueueAddMemReference(queue, mem_refs_[i]);
     }
 }
 
-void XglMemoryRefManager::EmitRemoveMemoryRefs(XGL_QUEUE queue)
+void XglMemoryRefManager::EmitRemoveMemoryRefs(VK_QUEUE queue)
 {
     for (uint32_t i = 0; i < mem_refs_.size(); i++) {
-        xglQueueRemoveMemReference(queue, mem_refs_[i]);
+        vkQueueRemoveMemReference(queue, mem_refs_[i]);
     }
 }
 
 XglCommandBufferObj::XglCommandBufferObj(XglDevice *device)
-    : xgl_testing::CmdBuffer(*device, xgl_testing::CmdBuffer::create_info(device->graphics_queue_node_index_))
+    : vk_testing::CmdBuffer(*device, vk_testing::CmdBuffer::create_info(device->graphics_queue_node_index_))
 {
     m_device = device;
 }
 
-XGL_CMD_BUFFER XglCommandBufferObj::GetBufferHandle()
+VK_CMD_BUFFER XglCommandBufferObj::GetBufferHandle()
 {
     return obj();
 }
 
-XGL_RESULT XglCommandBufferObj::BeginCommandBuffer(XGL_CMD_BUFFER_BEGIN_INFO *pInfo)
+VK_RESULT XglCommandBufferObj::BeginCommandBuffer(VK_CMD_BUFFER_BEGIN_INFO *pInfo)
 {
     begin(pInfo);
-    return XGL_SUCCESS;
+    return VK_SUCCESS;
 }
 
-XGL_RESULT XglCommandBufferObj::BeginCommandBuffer(XGL_RENDER_PASS renderpass_obj, XGL_FRAMEBUFFER framebuffer_obj)
+VK_RESULT XglCommandBufferObj::BeginCommandBuffer(VK_RENDER_PASS renderpass_obj, VK_FRAMEBUFFER framebuffer_obj)
 {
     begin(renderpass_obj, framebuffer_obj);
-    return XGL_SUCCESS;
+    return VK_SUCCESS;
 }
 
-XGL_RESULT XglCommandBufferObj::BeginCommandBuffer()
+VK_RESULT XglCommandBufferObj::BeginCommandBuffer()
 {
     begin();
-    return XGL_SUCCESS;
+    return VK_SUCCESS;
 }
 
-XGL_RESULT XglCommandBufferObj::EndCommandBuffer()
+VK_RESULT XglCommandBufferObj::EndCommandBuffer()
 {
     end();
-    return XGL_SUCCESS;
+    return VK_SUCCESS;
 }
 
-void XglCommandBufferObj::PipelineBarrier(XGL_PIPELINE_BARRIER *barrierPtr)
+void XglCommandBufferObj::PipelineBarrier(VK_PIPELINE_BARRIER *barrierPtr)
 {
-    xglCmdPipelineBarrier(obj(), barrierPtr);
+    vkCmdPipelineBarrier(obj(), barrierPtr);
 }
 
-void XglCommandBufferObj::ClearAllBuffers(XGL_CLEAR_COLOR clear_color, float depth_clear_color, uint32_t stencil_clear_color,
+void XglCommandBufferObj::ClearAllBuffers(VK_CLEAR_COLOR clear_color, float depth_clear_color, uint32_t stencil_clear_color,
                                           XglDepthStencilObj *depthStencilObj)
 {
     uint32_t i;
-    const XGL_FLAGS output_mask =
-        XGL_MEMORY_OUTPUT_CPU_WRITE_BIT |
-        XGL_MEMORY_OUTPUT_SHADER_WRITE_BIT |
-        XGL_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
-        XGL_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-        XGL_MEMORY_OUTPUT_COPY_BIT;
-    const XGL_FLAGS input_mask = 0;
+    const VK_FLAGS output_mask =
+        VK_MEMORY_OUTPUT_CPU_WRITE_BIT |
+        VK_MEMORY_OUTPUT_SHADER_WRITE_BIT |
+        VK_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
+        VK_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+        VK_MEMORY_OUTPUT_COPY_BIT;
+    const VK_FLAGS input_mask = 0;
 
     // whatever we want to do, we do it to the whole buffer
-    XGL_IMAGE_SUBRESOURCE_RANGE srRange = {};
-    srRange.aspect = XGL_IMAGE_ASPECT_COLOR;
+    VK_IMAGE_SUBRESOURCE_RANGE srRange = {};
+    srRange.aspect = VK_IMAGE_ASPECT_COLOR;
     srRange.baseMipLevel = 0;
-    srRange.mipLevels = XGL_LAST_MIP_OR_SLICE;
+    srRange.mipLevels = VK_LAST_MIP_OR_SLICE;
     srRange.baseArraySlice = 0;
-    srRange.arraySize = XGL_LAST_MIP_OR_SLICE;
+    srRange.arraySize = VK_LAST_MIP_OR_SLICE;
 
-    XGL_IMAGE_MEMORY_BARRIER memory_barrier = {};
-    memory_barrier.sType = XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
+    VK_IMAGE_MEMORY_BARRIER memory_barrier = {};
+    memory_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
     memory_barrier.outputMask = output_mask;
     memory_barrier.inputMask = input_mask;
-    memory_barrier.newLayout = XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL;
+    memory_barrier.newLayout = VK_IMAGE_LAYOUT_CLEAR_OPTIMAL;
     memory_barrier.subresourceRange = srRange;
-    XGL_IMAGE_MEMORY_BARRIER *pmemory_barrier = &memory_barrier;
+    VK_IMAGE_MEMORY_BARRIER *pmemory_barrier = &memory_barrier;
 
-    XGL_PIPE_EVENT set_events[] = { XGL_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
-    XGL_PIPELINE_BARRIER pipeline_barrier = {};
-    pipeline_barrier.sType = XGL_STRUCTURE_TYPE_PIPELINE_BARRIER;
+    VK_PIPE_EVENT set_events[] = { VK_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
+    VK_PIPELINE_BARRIER pipeline_barrier = {};
+    pipeline_barrier.sType = VK_STRUCTURE_TYPE_PIPELINE_BARRIER;
     pipeline_barrier.eventCount = 1;
     pipeline_barrier.pEvents = set_events;
-    pipeline_barrier.waitEvent = XGL_WAIT_EVENT_TOP_OF_PIPE;
+    pipeline_barrier.waitEvent = VK_WAIT_EVENT_TOP_OF_PIPE;
     pipeline_barrier.memBarrierCount = 1;
     pipeline_barrier.ppMemBarriers = (const void **)&pmemory_barrier;
 
     for (i = 0; i < m_renderTargets.size(); i++) {
         memory_barrier.image = m_renderTargets[i]->image();
         memory_barrier.oldLayout = m_renderTargets[i]->layout();
-        xglCmdPipelineBarrier( obj(), &pipeline_barrier);
+        vkCmdPipelineBarrier( obj(), &pipeline_barrier);
         m_renderTargets[i]->layout(memory_barrier.newLayout);
 
-        xglCmdClearColorImage(obj(),
-               m_renderTargets[i]->image(), XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL,
+        vkCmdClearColorImage(obj(),
+               m_renderTargets[i]->image(), VK_IMAGE_LAYOUT_CLEAR_OPTIMAL,
                clear_color, 1, &srRange );
 
         mem_ref_mgr.AddMemoryRefs(*m_renderTargets[i]);
@@ -1242,78 +1242,78 @@
 
     if (depthStencilObj)
     {
-        XGL_IMAGE_SUBRESOURCE_RANGE dsRange = {};
-        dsRange.aspect = XGL_IMAGE_ASPECT_DEPTH;
+        VK_IMAGE_SUBRESOURCE_RANGE dsRange = {};
+        dsRange.aspect = VK_IMAGE_ASPECT_DEPTH;
         dsRange.baseMipLevel = 0;
-        dsRange.mipLevels = XGL_LAST_MIP_OR_SLICE;
+        dsRange.mipLevels = VK_LAST_MIP_OR_SLICE;
         dsRange.baseArraySlice = 0;
-        dsRange.arraySize = XGL_LAST_MIP_OR_SLICE;
+        dsRange.arraySize = VK_LAST_MIP_OR_SLICE;
 
         // prepare the depth buffer for clear
 
         memory_barrier.oldLayout = depthStencilObj->BindInfo()->layout;
-        memory_barrier.newLayout = XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL;
+        memory_barrier.newLayout = VK_IMAGE_LAYOUT_CLEAR_OPTIMAL;
         memory_barrier.image = depthStencilObj->obj();
         memory_barrier.subresourceRange = dsRange;
 
-        xglCmdPipelineBarrier( obj(), &pipeline_barrier);
+        vkCmdPipelineBarrier( obj(), &pipeline_barrier);
 
-        xglCmdClearDepthStencil(obj(),
-                                depthStencilObj->obj(), XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL,
+        vkCmdClearDepthStencil(obj(),
+                                depthStencilObj->obj(), VK_IMAGE_LAYOUT_CLEAR_OPTIMAL,
                                 depth_clear_color,  stencil_clear_color,
                                 1, &dsRange);
         mem_ref_mgr.AddMemoryRefs(*depthStencilObj);
 
         // prepare depth buffer for rendering
         memory_barrier.image = depthStencilObj->obj();
-        memory_barrier.oldLayout = XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL;
+        memory_barrier.oldLayout = VK_IMAGE_LAYOUT_CLEAR_OPTIMAL;
         memory_barrier.newLayout = depthStencilObj->BindInfo()->layout;
         memory_barrier.subresourceRange = dsRange;
-        xglCmdPipelineBarrier( obj(), &pipeline_barrier);
+        vkCmdPipelineBarrier( obj(), &pipeline_barrier);
     }
 }
 
 void XglCommandBufferObj::PrepareAttachments()
 {
     uint32_t i;
-    const XGL_FLAGS output_mask =
-        XGL_MEMORY_OUTPUT_CPU_WRITE_BIT |
-        XGL_MEMORY_OUTPUT_SHADER_WRITE_BIT |
-        XGL_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
-        XGL_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-        XGL_MEMORY_OUTPUT_COPY_BIT;
-    const XGL_FLAGS input_mask =
-        XGL_MEMORY_INPUT_CPU_READ_BIT |
-        XGL_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
-        XGL_MEMORY_INPUT_INDEX_FETCH_BIT |
-        XGL_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
-        XGL_MEMORY_INPUT_UNIFORM_READ_BIT |
-        XGL_MEMORY_INPUT_SHADER_READ_BIT |
-        XGL_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
-        XGL_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
-        XGL_MEMORY_INPUT_COPY_BIT;
+    const VK_FLAGS output_mask =
+        VK_MEMORY_OUTPUT_CPU_WRITE_BIT |
+        VK_MEMORY_OUTPUT_SHADER_WRITE_BIT |
+        VK_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT |
+        VK_MEMORY_OUTPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+        VK_MEMORY_OUTPUT_COPY_BIT;
+    const VK_FLAGS input_mask =
+        VK_MEMORY_INPUT_CPU_READ_BIT |
+        VK_MEMORY_INPUT_INDIRECT_COMMAND_BIT |
+        VK_MEMORY_INPUT_INDEX_FETCH_BIT |
+        VK_MEMORY_INPUT_VERTEX_ATTRIBUTE_FETCH_BIT |
+        VK_MEMORY_INPUT_UNIFORM_READ_BIT |
+        VK_MEMORY_INPUT_SHADER_READ_BIT |
+        VK_MEMORY_INPUT_COLOR_ATTACHMENT_BIT |
+        VK_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
+        VK_MEMORY_INPUT_COPY_BIT;
 
-    XGL_IMAGE_SUBRESOURCE_RANGE srRange = {};
-    srRange.aspect = XGL_IMAGE_ASPECT_COLOR;
+    VK_IMAGE_SUBRESOURCE_RANGE srRange = {};
+    srRange.aspect = VK_IMAGE_ASPECT_COLOR;
     srRange.baseMipLevel = 0;
-    srRange.mipLevels = XGL_LAST_MIP_OR_SLICE;
+    srRange.mipLevels = VK_LAST_MIP_OR_SLICE;
     srRange.baseArraySlice = 0;
-    srRange.arraySize = XGL_LAST_MIP_OR_SLICE;
+    srRange.arraySize = VK_LAST_MIP_OR_SLICE;
 
-    XGL_IMAGE_MEMORY_BARRIER memory_barrier = {};
-    memory_barrier.sType = XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
+    VK_IMAGE_MEMORY_BARRIER memory_barrier = {};
+    memory_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
     memory_barrier.outputMask = output_mask;
     memory_barrier.inputMask = input_mask;
-    memory_barrier.newLayout = XGL_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+    memory_barrier.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
     memory_barrier.subresourceRange = srRange;
-    XGL_IMAGE_MEMORY_BARRIER *pmemory_barrier = &memory_barrier;
+    VK_IMAGE_MEMORY_BARRIER *pmemory_barrier = &memory_barrier;
 
-    XGL_PIPE_EVENT set_events[] = { XGL_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
-    XGL_PIPELINE_BARRIER pipeline_barrier = {};
-    pipeline_barrier.sType = XGL_STRUCTURE_TYPE_PIPELINE_BARRIER;
+    VK_PIPE_EVENT set_events[] = { VK_PIPE_EVENT_GPU_COMMANDS_COMPLETE };
+    VK_PIPELINE_BARRIER pipeline_barrier = {};
+    pipeline_barrier.sType = VK_STRUCTURE_TYPE_PIPELINE_BARRIER;
     pipeline_barrier.eventCount = 1;
     pipeline_barrier.pEvents = set_events;
-    pipeline_barrier.waitEvent = XGL_WAIT_EVENT_TOP_OF_PIPE;
+    pipeline_barrier.waitEvent = VK_WAIT_EVENT_TOP_OF_PIPE;
     pipeline_barrier.memBarrierCount = 1;
     pipeline_barrier.ppMemBarriers = (const void **)&pmemory_barrier;
 
@@ -1321,29 +1321,29 @@
     {
         memory_barrier.image = m_renderTargets[i]->image();
         memory_barrier.oldLayout = m_renderTargets[i]->layout();
-        xglCmdPipelineBarrier( obj(), &pipeline_barrier);
+        vkCmdPipelineBarrier( obj(), &pipeline_barrier);
         m_renderTargets[i]->layout(memory_barrier.newLayout);
     }
 }
 
-void XglCommandBufferObj::BeginRenderPass(XGL_RENDER_PASS renderpass, XGL_FRAMEBUFFER framebuffer)
+void XglCommandBufferObj::BeginRenderPass(VK_RENDER_PASS renderpass, VK_FRAMEBUFFER framebuffer)
 {
-    XGL_RENDER_PASS_BEGIN rp_begin = {
+    VK_RENDER_PASS_BEGIN rp_begin = {
         renderpass,
         framebuffer,
     };
 
-    xglCmdBeginRenderPass( obj(), &rp_begin);
+    vkCmdBeginRenderPass( obj(), &rp_begin);
 }
 
-void XglCommandBufferObj::EndRenderPass(XGL_RENDER_PASS renderpass)
+void XglCommandBufferObj::EndRenderPass(VK_RENDER_PASS renderpass)
 {
-    xglCmdEndRenderPass( obj(), renderpass);
+    vkCmdEndRenderPass( obj(), renderpass);
 }
 
-void XglCommandBufferObj::BindStateObject(XGL_STATE_BIND_POINT stateBindPoint, XGL_DYNAMIC_STATE_OBJECT stateObject)
+void XglCommandBufferObj::BindStateObject(VK_STATE_BIND_POINT stateBindPoint, VK_DYNAMIC_STATE_OBJECT stateObject)
 {
-    xglCmdBindDynamicStateObject( obj(), stateBindPoint, stateObject);
+    vkCmdBindDynamicStateObject( obj(), stateBindPoint, stateObject);
 }
 
 void XglCommandBufferObj::AddRenderTarget(XglImage *renderTarget)
@@ -1353,12 +1353,12 @@
 
 void XglCommandBufferObj::DrawIndexed(uint32_t firstIndex, uint32_t indexCount, int32_t vertexOffset, uint32_t firstInstance, uint32_t instanceCount)
 {
-    xglCmdDrawIndexed(obj(), firstIndex, indexCount, vertexOffset, firstInstance, instanceCount);
+    vkCmdDrawIndexed(obj(), firstIndex, indexCount, vertexOffset, firstInstance, instanceCount);
 }
 
 void XglCommandBufferObj::Draw(uint32_t firstVertex, uint32_t vertexCount, uint32_t firstInstance, uint32_t instanceCount)
 {
-    xglCmdDraw(obj(), firstVertex, vertexCount, firstInstance, instanceCount);
+    vkCmdDraw(obj(), firstVertex, vertexCount, firstInstance, instanceCount);
 }
 
 void XglCommandBufferObj::QueueCommandBuffer()
@@ -1366,21 +1366,21 @@
     QueueCommandBuffer(NULL);
 }
 
-void XglCommandBufferObj::QueueCommandBuffer(XGL_FENCE fence)
+void XglCommandBufferObj::QueueCommandBuffer(VK_FENCE fence)
 {
-    XGL_RESULT err = XGL_SUCCESS;
+    VK_RESULT err = VK_SUCCESS;
 
     mem_ref_mgr.EmitAddMemoryRefs(m_device->m_queue);
 
     // submit the command buffer to the universal queue
-    err = xglQueueSubmit( m_device->m_queue, 1, &obj(), fence );
-    ASSERT_XGL_SUCCESS( err );
+    err = vkQueueSubmit( m_device->m_queue, 1, &obj(), fence );
+    ASSERT_VK_SUCCESS( err );
 
-    err = xglQueueWaitIdle( m_device->m_queue );
-    ASSERT_XGL_SUCCESS( err );
+    err = vkQueueWaitIdle( m_device->m_queue );
+    ASSERT_VK_SUCCESS( err );
 
     // Wait for work to finish before cleaning up.
-    xglDeviceWaitIdle(m_device->device());
+    vkDeviceWaitIdle(m_device->device());
 
     /*
      * Now that processing on this command buffer is complete
@@ -1391,16 +1391,16 @@
 
 void XglCommandBufferObj::BindPipeline(XglPipelineObj &pipeline)
 {
-    xglCmdBindPipeline( obj(), XGL_PIPELINE_BIND_POINT_GRAPHICS, pipeline.obj() );
+    vkCmdBindPipeline( obj(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline.obj() );
     mem_ref_mgr.AddMemoryRefs(pipeline);
 }
 
 void XglCommandBufferObj::BindDescriptorSet(XglDescriptorSetObj &descriptorSet)
 {
-    XGL_DESCRIPTOR_SET set_obj = descriptorSet.GetDescriptorSetHandle();
+    VK_DESCRIPTOR_SET set_obj = descriptorSet.GetDescriptorSetHandle();
 
     // bind pipeline, vertex buffer (descriptor set) and WVP (dynamic buffer view)
-    xglCmdBindDescriptorSets(obj(), XGL_PIPELINE_BIND_POINT_GRAPHICS,
+    vkCmdBindDescriptorSets(obj(), VK_PIPELINE_BIND_POINT_GRAPHICS,
            descriptorSet.GetLayoutChain(), 0, 1, &set_obj, NULL );
 
     // Add descriptor set mem refs to command buffer's list
@@ -1410,13 +1410,13 @@
 
 void XglCommandBufferObj::BindIndexBuffer(XglIndexBufferObj *indexBuffer, uint32_t offset)
 {
-    xglCmdBindIndexBuffer(obj(), indexBuffer->obj(), offset, indexBuffer->GetIndexType());
+    vkCmdBindIndexBuffer(obj(), indexBuffer->obj(), offset, indexBuffer->GetIndexType());
     mem_ref_mgr.AddMemoryRefs(*indexBuffer);
 }
 
 void XglCommandBufferObj::BindVertexBuffer(XglConstantBufferObj *vertexBuffer, uint32_t offset, uint32_t binding)
 {
-    xglCmdBindVertexBuffer(obj(), vertexBuffer->obj(), offset, binding);
+    vkCmdBindVertexBuffer(obj(), vertexBuffer->obj(), offset, binding);
     mem_ref_mgr.AddMemoryRefs(*vertexBuffer);
 }
 
@@ -1429,23 +1429,23 @@
     return m_initialized;
 }
 
-XGL_DEPTH_STENCIL_BIND_INFO* XglDepthStencilObj::BindInfo()
+VK_DEPTH_STENCIL_BIND_INFO* XglDepthStencilObj::BindInfo()
 {
     return &m_depthStencilBindInfo;
 }
 
 void XglDepthStencilObj::Init(XglDevice *device, int32_t width, int32_t height)
 {
-    XGL_IMAGE_CREATE_INFO image_info;
-    XGL_DEPTH_STENCIL_VIEW_CREATE_INFO view_info;
+    VK_IMAGE_CREATE_INFO image_info;
+    VK_DEPTH_STENCIL_VIEW_CREATE_INFO view_info;
 
     m_device = device;
     m_initialized = true;
-    m_depth_stencil_fmt = XGL_FMT_D16_UNORM;
+    m_depth_stencil_fmt = VK_FMT_D16_UNORM;
 
-    image_info.sType = XGL_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
+    image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
     image_info.pNext = NULL;
-    image_info.imageType = XGL_IMAGE_2D;
+    image_info.imageType = VK_IMAGE_2D;
     image_info.format = m_depth_stencil_fmt;
     image_info.extent.width = width;
     image_info.extent.height = height;
@@ -1453,14 +1453,14 @@
     image_info.mipLevels = 1;
     image_info.arraySize = 1;
     image_info.samples = 1;
-    image_info.tiling = XGL_OPTIMAL_TILING;
-    image_info.usage = XGL_IMAGE_USAGE_DEPTH_STENCIL_BIT;
+    image_info.tiling = VK_OPTIMAL_TILING;
+    image_info.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_BIT;
     image_info.flags = 0;
     init(*m_device, image_info);
 
-    view_info.sType = XGL_STRUCTURE_TYPE_DEPTH_STENCIL_VIEW_CREATE_INFO;
+    view_info.sType = VK_STRUCTURE_TYPE_DEPTH_STENCIL_VIEW_CREATE_INFO;
     view_info.pNext = NULL;
-    view_info.image = XGL_NULL_HANDLE;
+    view_info.image = VK_NULL_HANDLE;
     view_info.mipLevel = 0;
     view_info.baseArraySlice = 0;
     view_info.arraySize = 1;
@@ -1469,5 +1469,5 @@
     m_depthStencilView.init(*m_device, view_info);
 
     m_depthStencilBindInfo.view = m_depthStencilView.obj();
-    m_depthStencilBindInfo.layout = XGL_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+    m_depthStencilBindInfo.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
 }