Merge tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

wef

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# gpg: Signature made Tue 27 Jun 2023 05:09:23 PM CEST
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]

* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (33 commits)
  ui/dbus: use shared D3D11 Texture2D when possible
  virtio-gpu-virgl: use D3D11_SHARE_TEXTURE when available
  ui: add optional d3d texture pointer to scanout texture
  ui/egl: query ANGLE d3d device
  virtio-gpu-virgl: teach it to get the QEMU EGL display
  ui/dbus: add some GL traces
  ui/dbus: add GL support on win32
  ui: add egl_fb_read_rect()
  ui/egl: default to GLES on windows
  ui: add egl-headless support on win32
  ui/dbus: use shared memory when possible on win32
  virtio-gpu/win32: allocate shareable 2d resources/images
  console/win32: allocate shareable display surface
  ui/dbus: introduce "Interfaces" properties
  tests: make dbus-display-test work on win32
  qtest: add qtest_pid()
  ui/dbus: win32 support
  scripts: add a XML preprocessor script
  ui/dbus: compile without gio/gunixfdlist.h
  ui/egl: fix make_context_current() callback return value
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index fafbab80b4..429542face 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -835,3 +835,36 @@ int qemu_msync(void *addr, size_t length, int fd)
      */
     return qemu_fdatasync(fd);
 }
+
+void *qemu_win32_map_alloc(size_t size, HANDLE *h, Error **errp)
+{
+    void *bits;
+
+    trace_win32_map_alloc(size);
+
+    *h = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0,
+                          size, NULL);
+    if (*h == NULL) {
+        error_setg_win32(errp, GetLastError(), "Failed to CreateFileMapping");
+        return NULL;
+    }
+
+    bits = MapViewOfFile(*h, FILE_MAP_ALL_ACCESS, 0, 0, size);
+    if (bits == NULL) {
+        error_setg_win32(errp, GetLastError(), "Failed to MapViewOfFile");
+        CloseHandle(*h);
+        return NULL;
+    }
+
+    return bits;
+}
+
+void qemu_win32_map_free(void *ptr, HANDLE h, Error **errp)
+{
+    trace_win32_map_free(ptr, h);
+
+    if (UnmapViewOfFile(ptr) == 0) {
+        error_setg_win32(errp, GetLastError(), "Failed to UnmapViewOfFile");
+    }
+    CloseHandle(h);
+}