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

UI patch queue

- vhost-user-gpu: support dmabuf modifiers
- fix VNC crash when there are no active_console
- cleanups and refactoring in ui/vc code

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# gpg: Signature made Tue 12 Sep 2023 06:46:22 EDT
# 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]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  ui: add precondition for dpy_get_ui_info()
  ui: fix crash when there are no active_console
  virtio-gpu/win32: set the destroy function on load
  ui/console: move DisplaySurface to its own header
  ui/vc: split off the VC part from console.c
  ui/vc: preliminary QemuTextConsole changes before split
  ui/console: remove redundant format field
  ui/vc: rename kbd_put to qemu_text_console functions
  ui/vc: remove kbd_put_keysym() and update function calls
  vmmouse: use explicit code
  vmmouse: replace DPRINTF with tracing
  vhost-user-gpu: support dmabuf modifiers
  contrib/vhost-user-gpu: add support for sending dmabuf modifiers
  docs: vhost-user-gpu: add protocol changes for dmabuf modifiers

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 95 insertions, 0 deletions

diff --git a/include/ui/surface.h b/include/ui/surface.h
new file mode 100644
index 0000000000..4244e0ca4a
--- /dev/null
+++ b/include/ui/surface.h
@@ -0,0 +1,95 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ * QEMU UI Console
+ */
+#ifndef SURFACE_H
+#define SURFACE_H
+
+#include "ui/qemu-pixman.h"
+
+#ifdef CONFIG_OPENGL
+# include <epoxy/gl.h>
+# include "ui/shader.h"
+#endif
+
+#define QEMU_ALLOCATED_FLAG     0x01
+#define QEMU_PLACEHOLDER_FLAG   0x02
+
+typedef struct DisplaySurface {
+    pixman_image_t *image;
+    uint8_t flags;
+#ifdef CONFIG_OPENGL
+    GLenum glformat;
+    GLenum gltype;
+    GLuint texture;
+#endif
+#ifdef WIN32
+    HANDLE handle;
+    uint32_t handle_offset;
+#endif
+} DisplaySurface;
+
+PixelFormat qemu_default_pixelformat(int bpp);
+
+DisplaySurface *qemu_create_displaysurface_from(int width, int height,
+                                                pixman_format_code_t format,
+                                                int linesize, uint8_t *data);
+DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
+DisplaySurface *qemu_create_placeholder_surface(int w, int h,
+                                                const char *msg);
+#ifdef WIN32
+void qemu_displaysurface_win32_set_handle(DisplaySurface *surface,
+                                          HANDLE h, uint32_t offset);
+#endif
+
+DisplaySurface *qemu_create_displaysurface(int width, int height);
+void qemu_free_displaysurface(DisplaySurface *surface);
+
+static inline int is_buffer_shared(DisplaySurface *surface)
+{
+    return !(surface->flags & QEMU_ALLOCATED_FLAG);
+}
+
+static inline int is_placeholder(DisplaySurface *surface)
+{
+    return surface->flags & QEMU_PLACEHOLDER_FLAG;
+}
+
+static inline int surface_stride(DisplaySurface *s)
+{
+    return pixman_image_get_stride(s->image);
+}
+
+static inline void *surface_data(DisplaySurface *s)
+{
+    return pixman_image_get_data(s->image);
+}
+
+static inline int surface_width(DisplaySurface *s)
+{
+    return pixman_image_get_width(s->image);
+}
+
+static inline int surface_height(DisplaySurface *s)
+{
+    return pixman_image_get_height(s->image);
+}
+
+static inline pixman_format_code_t surface_format(DisplaySurface *s)
+{
+    return pixman_image_get_format(s->image);
+}
+
+static inline int surface_bits_per_pixel(DisplaySurface *s)
+{
+    int bits = PIXMAN_FORMAT_BPP(surface_format(s));
+    return bits;
+}
+
+static inline int surface_bytes_per_pixel(DisplaySurface *s)
+{
+    int bits = PIXMAN_FORMAT_BPP(surface_format(s));
+    return DIV_ROUND_UP(bits, 8);
+}
+
+#endif