1 //
2 // Copyright 2016 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 // WindowSurfaceVkXcb.cpp:
7 // Implements the class methods for WindowSurfaceVkXcb.
8 //
9
10 #include "libANGLE/renderer/vulkan/xcb/WindowSurfaceVkXcb.h"
11
12 #include "libANGLE/renderer/vulkan/RendererVk.h"
13
14 namespace rx
15 {
16
WindowSurfaceVkXcb(const egl::SurfaceState & surfaceState,EGLNativeWindowType window,xcb_connection_t * conn)17 WindowSurfaceVkXcb::WindowSurfaceVkXcb(const egl::SurfaceState &surfaceState,
18 EGLNativeWindowType window,
19 xcb_connection_t *conn)
20 : WindowSurfaceVk(surfaceState, window), mXcbConnection(conn)
21 {}
22
createSurfaceVk(vk::Context * context,gl::Extents * extentsOut)23 angle::Result WindowSurfaceVkXcb::createSurfaceVk(vk::Context *context, gl::Extents *extentsOut)
24 {
25 VkXcbSurfaceCreateInfoKHR createInfo = {};
26
27 createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
28 createInfo.flags = 0;
29 createInfo.connection = mXcbConnection;
30 createInfo.window = static_cast<xcb_window_t>(mNativeWindowType);
31 ANGLE_VK_TRY(context, vkCreateXcbSurfaceKHR(context->getRenderer()->getInstance(), &createInfo,
32 nullptr, &mSurface));
33
34 return getCurrentWindowSize(context, extentsOut);
35 }
36
getCurrentWindowSize(vk::Context * context,gl::Extents * extentsOut)37 angle::Result WindowSurfaceVkXcb::getCurrentWindowSize(vk::Context *context,
38 gl::Extents *extentsOut)
39 {
40 xcb_get_geometry_cookie_t cookie =
41 xcb_get_geometry(mXcbConnection, static_cast<xcb_drawable_t>(mNativeWindowType));
42 xcb_generic_error_t *error = nullptr;
43 xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(mXcbConnection, cookie, &error);
44 if (error)
45 {
46 free(error);
47 ANGLE_VK_CHECK(context, false, VK_ERROR_INITIALIZATION_FAILED);
48 }
49 ASSERT(reply);
50 *extentsOut = gl::Extents(reply->width, reply->height, 1);
51 free(reply);
52 return angle::Result::Continue;
53 }
54
55 } // namespace rx
56