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gdkvulkan: Track changes per swapchain image

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... and use those in begin_frame() to ensure all of the invalid area
gets invalidated.
This commit is contained in:
Benjamin Otte 2016-12-26 22:24:22 +01:00
parent af917c4ade
commit 293248c1d3
1 changed files with 33 additions and 0 deletions
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33
gdk/gdkvulkancontext.c
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@ -41,6 +41,7 @@ struct _GdkVulkanContextPrivate {
guint n_images;
VkImage *images;
cairo_region_t **regions;
#endif
guint32 draw_index;
@ -127,7 +128,13 @@ gdk_vulkan_context_dispose (GObject *gobject)
GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context);
GdkDisplay *display;
VkDevice device;
guint i;
for (i = 0; i < priv->n_images; i++)
{
cairo_region_destroy (priv->regions[i]);
}
g_clear_pointer (&priv->regions, g_free);
g_clear_pointer (&priv->images, g_free);
priv->n_images = 0;
@ -176,6 +183,7 @@ gdk_vulkan_context_check_swapchain (GdkVulkanContext *context,
VkSwapchainKHR new_swapchain;
VkResult res;
VkDevice device;
guint i;
if (gdk_window_get_width (window) == priv->swapchain_width &&
gdk_window_get_height (window) == priv->swapchain_height)
@ -239,6 +247,11 @@ gdk_vulkan_context_check_swapchain (GdkVulkanContext *context,
vkDestroySwapchainKHR (device,
priv->swapchain,
NULL);
for (i = 0; i < priv->n_images; i++)
{
cairo_region_destroy (priv->regions[i]);
}
g_clear_pointer (&priv->regions, g_free);
g_clear_pointer (&priv->images, g_free);
priv->n_images = 0;
}
@ -258,6 +271,15 @@ gdk_vulkan_context_check_swapchain (GdkVulkanContext *context,
priv->swapchain,
&priv->n_images,
priv->images);
priv->regions = g_new (cairo_region_t *, priv->n_images);
for (i = 0; i < priv->n_images; i++)
{
priv->regions[i] = cairo_region_create_rectangle (&(cairo_rectangle_int_t) {
0, 0,
gdk_window_get_width (window),
gdk_window_get_height (window),
});
}
}
else
{
@ -281,6 +303,7 @@ gdk_vulkan_context_begin_frame (GdkDrawContext *draw_context,
GdkVulkanContext *context = GDK_VULKAN_CONTEXT (draw_context);
GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context);
GError *error = NULL;
guint i;
if (!gdk_vulkan_context_check_swapchain (context, &error))
{
@ -289,12 +312,19 @@ gdk_vulkan_context_begin_frame (GdkDrawContext *draw_context,
return;
}
for (i = 0; i < priv->n_images; i++)
{
cairo_region_union (priv->regions[i], region);
}
GDK_VK_CHECK (vkAcquireNextImageKHR, gdk_vulkan_context_get_device (context),
priv->swapchain,
UINT64_MAX,
priv->draw_semaphore,
VK_NULL_HANDLE,
&priv->draw_index);
cairo_region_union (region, priv->regions[priv->draw_index]);
}
static void
@ -320,6 +350,9 @@ gdk_vulkan_context_end_frame (GdkDrawContext *draw_context,
priv->draw_index
},
});
cairo_region_destroy (priv->regions[priv->draw_index]);
priv->regions[priv->draw_index] = cairo_region_create ();
}
static void