gtk2/gdk/win32/gdkvulkancontext-win32.c
Chun-wei Fan 7b47e3225b GDK/Win32: Remove layered windows usage
In GTK4, we are now defaulting to the OpenGL renderer with the Cairo renderer
only used as a fallback, so there is no point keeping the code paths that use
layered windows as layered windows do not work well with OpenGL nor Vulkan.
2021-01-18 12:48:16 +08:00

95 lines
3.0 KiB
C

/* GDK - The GIMP Drawing Kit
*
* gdkvulkancontext-win32.c: Win32 specific Vulkan wrappers
*
* Copyright © 2016 Benjamin Otte
* Copyright © 2016 Chun-wei Fan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdkconfig.h"
#ifdef GDK_RENDERING_VULKAN
#include "gdkvulkancontext-win32.h"
#include "gdkprivate-win32.h"
#include "gdkwin32misc.h"
extern HINSTANCE _gdk_dll_hinstance;
G_DEFINE_TYPE (GdkWin32VulkanContext, gdk_win32_vulkan_context, GDK_TYPE_VULKAN_CONTEXT)
static VkResult
gdk_win32_vulkan_context_create_surface (GdkVulkanContext *context,
VkSurfaceKHR *surface)
{
GdkSurface *window = gdk_draw_context_get_surface (GDK_DRAW_CONTEXT (context));
GdkDisplay *display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context));
GdkWin32Surface *win32_surface = GDK_WIN32_SURFACE (window);
VkWin32SurfaceCreateInfoKHR info;
VkResult result;
info.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
info.pNext = NULL;
info.flags = 0;
info.hinstance = _gdk_dll_hinstance;
info.hwnd = GDK_SURFACE_HWND (window);
/* This is necessary so that Vulkan sees the Window.
* Usually, vkCreateWin32SurfaceKHR() will not cause a problem to happen as
* it just creates resources, but further calls with the resulting surface
* do cause issues.
*/
gdk_display_sync (display);
result = GDK_VK_CHECK (vkCreateWin32SurfaceKHR,
gdk_vulkan_context_get_instance (context),
&info,
NULL,
surface);
return result;
}
static void
gdk_win32_vulkan_context_begin_frame (GdkDrawContext *draw_context,
cairo_region_t *update_area)
{
gdk_win32_surface_handle_queued_move_resize (draw_context);
GDK_DRAW_CONTEXT_CLASS (gdk_win32_vulkan_context_parent_class)->begin_frame (draw_context, update_area);
}
static void
gdk_win32_vulkan_context_class_init (GdkWin32VulkanContextClass *klass)
{
GdkVulkanContextClass *context_class = GDK_VULKAN_CONTEXT_CLASS (klass);
GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
context_class->create_surface = gdk_win32_vulkan_context_create_surface;
draw_context_class->begin_frame = gdk_win32_vulkan_context_begin_frame;
}
static void
gdk_win32_vulkan_context_init (GdkWin32VulkanContext *self)
{
}
#endif /* GDK_RENDERING_VULKAN */