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/*
* GStreamer
* Copyright (C) 2019 Matthew Waters <matthew@centricular.com>
*
* 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, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/vulkan/vulkan.h>
#include "gstvkwindow_android.h"
#include "gstvkdisplay_android.h"
#define GET_PRIV(o) gst_vulkan_window_android_get_instance_private (o)
#define GST_CAT_DEFAULT gst_vulkan_window_android_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static void
_init_debug (void)
{
static gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowandroid", 0,
"Vulkan Android Window");
g_once_init_leave (&_init, 1);
}
}
enum
{
PROP_0,
};
struct _GstVulkanWindowAndroidPrivate
{
struct ANativeWindow *internal_window;
gint window_width, window_height;
gint preferred_width;
gint preferred_height;
};
#define gst_vulkan_window_android_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstVulkanWindowAndroid, gst_vulkan_window_android,
GST_TYPE_VULKAN_WINDOW,
G_ADD_PRIVATE (GstVulkanWindowAndroid) _init_debug ());
static VkSurfaceKHR gst_vulkan_window_android_get_surface (GstVulkanWindow *
window, GError ** error);
static gboolean
gst_vulkan_window_android_get_presentation_support (GstVulkanWindow * window,
GstVulkanDevice * device, guint32 queue_family_idx);
static gboolean gst_vulkan_window_android_open (GstVulkanWindow * window,
GError ** error);
static void gst_vulkan_window_android_close (GstVulkanWindow * window);
static void gst_vulkan_window_android_set_window_handle (GstVulkanWindow *
window, guintptr window_handle);
static void
gst_vulkan_window_android_class_init (GstVulkanWindowAndroidClass * klass)
{
GstVulkanWindowClass *window_class = (GstVulkanWindowClass *) klass;
window_class->open = GST_DEBUG_FUNCPTR (gst_vulkan_window_android_open);
window_class->close = GST_DEBUG_FUNCPTR (gst_vulkan_window_android_close);
window_class->get_surface = gst_vulkan_window_android_get_surface;
window_class->get_presentation_support =
gst_vulkan_window_android_get_presentation_support;
window_class->set_window_handle = gst_vulkan_window_android_set_window_handle;
}
static void
gst_vulkan_window_android_init (GstVulkanWindowAndroid * window)
{
GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window);
priv->preferred_width = 320;
priv->preferred_height = 240;
}
/* Must be called in the gl thread */
GstVulkanWindowAndroid *
gst_vulkan_window_android_new (GstVulkanDisplay * display)
{
GstVulkanWindowAndroid *window;
_init_debug ();
if ((gst_vulkan_display_get_handle_type (display) &
GST_VULKAN_DISPLAY_TYPE_ANDROID)
== GST_VULKAN_DISPLAY_TYPE_NONE) {
GST_INFO ("Wrong display type %u for this window type %u", display->type,
GST_VULKAN_DISPLAY_TYPE_ANDROID);
return NULL;
}
window = g_object_new (GST_TYPE_VULKAN_WINDOW_ANDROID, NULL);
gst_object_ref_sink (window);
return window;
}
gboolean
gst_vulkan_window_android_create_window (GstVulkanWindowAndroid *
window_android)
{
GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window_android);
if (!priv->internal_window) {
GST_WARNING_OBJECT (window_android, "No ANativeWindow provided");
return FALSE;
}
return TRUE;
}
static VkSurfaceKHR
gst_vulkan_window_android_get_surface (GstVulkanWindow * window,
GError ** error)
{
GstVulkanWindowAndroid *window_android = GST_VULKAN_WINDOW_ANDROID (window);
GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window_android);
VkAndroidSurfaceCreateInfoKHR info = { 0, };
VkSurfaceKHR ret;
VkResult err;
if (!priv->internal_window) {
g_set_error_literal (error, GST_VULKAN_ERROR,
VK_ERROR_INITIALIZATION_FAILED,
"No layer to retrieve surface for. Has create_window() been called?");
return 0;
}
info.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
info.pNext = NULL;
info.flags = 0;
info.window = priv->internal_window;
if (!window_android->CreateAndroidSurface)
window_android->CreateAndroidSurface =
gst_vulkan_instance_get_proc_address (window->display->instance,
"vkCreateAndroidSurfaceKHR");
if (!window_android->CreateAndroidSurface) {
g_set_error_literal (error, GST_VULKAN_ERROR, VK_ERROR_FEATURE_NOT_PRESENT,
"Could not retrieve \"vkCreateAndroidSurfaceKHR\" function pointer");
return 0;
}
err =
window_android->CreateAndroidSurface (window->display->instance->instance,
&info, NULL, &ret);
if (gst_vulkan_error_to_g_error (err, error, "vkCreateAndroidSurfaceKHR") < 0)
return 0;
return ret;
}
static gboolean
gst_vulkan_window_android_get_presentation_support (GstVulkanWindow * window,
GstVulkanDevice * device, guint32 queue_family_idx)
{
return TRUE;
}
static gboolean
gst_vulkan_window_android_open (GstVulkanWindow * window, GError ** error)
{
GstVulkanWindowAndroid *window_android = GST_VULKAN_WINDOW_ANDROID (window);
if (!GST_VULKAN_WINDOW_CLASS (parent_class)->open (window, error))
return FALSE;
return gst_vulkan_window_android_create_window (window_android);
}
static void
gst_vulkan_window_android_close (GstVulkanWindow * window)
{
GST_VULKAN_WINDOW_CLASS (parent_class)->close (window);
}
static void
gst_vulkan_window_android_set_window_handle (GstVulkanWindow * window,
guintptr window_handle)
{
GstVulkanWindowAndroid *window_android = GST_VULKAN_WINDOW_ANDROID (window);
GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window_android);
struct ANativeWindow *native_window = (struct ANativeWindow *) window_handle;
g_return_if_fail (native_window != NULL);
if (priv->internal_window && priv->internal_window != native_window) {
GST_FIXME_OBJECT (window_android, "View changes are not implemented");
return;
}
priv->internal_window = native_window;
}
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