platform/surfaceless: Add Vulkan support

Tested on the following systems:
  - Chromium OS, board=reef, mesa-17.1.0-r3
  - Arch Linux, gpu=skylake, mesa-13.0.3-1

Change-Id: Iaaf0f4617f8e099ec076fb083055214dd8f6e243

diff --git a/framework/platform/surfaceless/tcuSurfacelessPlatform.cpp b/framework/platform/surfaceless/tcuSurfacelessPlatform.cpp
index 4ededd9..f1fb2d5 100644 (file)
--- a/framework/platform/surfaceless/tcuSurfacelessPlatform.cpp
+++ b/framework/platform/surfaceless/tcuSurfacelessPlatform.cpp
@@ -25,8 +25,10 @@
 
 #include <string>
 #include <vector>
+#include <sys/utsname.h>
 
 #include "deDynamicLibrary.hpp"
+#include "deMemory.h"
 #include "deSTLUtil.hpp"
 #include "egluUtil.hpp"
 #include "egluGLUtil.hpp"
@@ -37,9 +39,11 @@
 #include "glwInitES20Direct.hpp"
 #include "glwInitES30Direct.hpp"
 #include "glwInitFunctions.hpp"
+#include "tcuFunctionLibrary.hpp"
 #include "tcuPixelFormat.hpp"
 #include "tcuPlatform.hpp"
 #include "tcuRenderTarget.hpp"
+#include "vkPlatform.hpp"
 
 #include <EGL/egl.h>
 
@@ -81,6 +85,62 @@ namespace tcu
 namespace surfaceless
 {
 
+class VulkanLibrary : public vk::Library
+{
+public:
+       VulkanLibrary (void)
+               : m_library     ("libvulkan.so.1")
+               , m_driver      (m_library)
+       {
+       }
+
+       const vk::PlatformInterface& getPlatformInterface (void) const
+       {
+               return m_driver;
+       }
+
+private:
+       const tcu::DynamicFunctionLibrary       m_library;
+       const vk::PlatformDriver                        m_driver;
+};
+
+// Copied from tcuX11Platform.cpp
+class VulkanPlatform : public vk::Platform
+{
+public:
+       vk::Library* createLibrary (void) const
+       {
+               return new VulkanLibrary();
+       }
+
+       void describePlatform (std::ostream& dst) const
+       {
+               utsname         sysInfo;
+
+               deMemset(&sysInfo, 0, sizeof(sysInfo));
+
+               if (uname(&sysInfo) != 0)
+                       throw std::runtime_error("uname() failed");
+
+               dst << "OS: " << sysInfo.sysname << " " << sysInfo.release << " " << sysInfo.version << "\n";
+               dst << "CPU: " << sysInfo.machine << "\n";
+       }
+
+       // FINISHME: Query actual memory limits.
+       //
+       // These hard-coded memory limits were copied from tcuX11Platform.cpp,
+       // and they work well enough for Intel platforms.
+       void getMemoryLimits (vk::PlatformMemoryLimits& limits) const
+       {
+               limits.totalSystemMemory                                        = 256*1024*1024;
+               limits.totalDeviceLocalMemory                           = 128*1024*1024;
+               limits.deviceMemoryAllocationGranularity        = 64*1024;
+               limits.devicePageSize                                           = 4096;
+               limits.devicePageTableEntrySize                         = 8;
+               limits.devicePageTableHierarchyLevels           = 3;
+       }
+};
+
 bool isEGLExtensionSupported(
                const eglw::Library& egl,
                eglw::EGLDisplay display,
@@ -126,6 +186,10 @@ class Platform : public tcu::Platform, public glu::Platform
 public:
                                        Platform        (void);
        const glu::Platform&            getGLPlatform   (void) const { return *this; }
+       const vk::Platform&                     getVulkanPlatform       (void) const { return m_vkPlatform; }
+
+private:
+       VulkanPlatform          m_vkPlatform;
 };
 
 class ContextFactory : public glu::ContextFactory