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wayland/vulkancontext: Fix present region on HiDPI

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VkPresentRegionsKHR is expected to operate in buffer coordinates, but
the region we get passed is in surface coordinates, so it must be scaled.
This commit is contained in:
Jonas Ådahl 2019-12-03 16:42:03 +01:00
parent d6a6313493
commit ba74f41a70
1 changed files with 7 additions and 4 deletions
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11
gdk/gdkvulkancontext.c
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@ -441,11 +441,14 @@ gdk_vulkan_context_end_frame (GdkDrawContext *draw_context,
{
GdkVulkanContext *context = GDK_VULKAN_CONTEXT (draw_context);
GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context);
GdkSurface *surface = gdk_draw_context_get_surface (draw_context);
VkPresentRegionsKHR *regionsptr = VK_NULL_HANDLE;
VkPresentRegionsKHR regions;
cairo_rectangle_int_t extents;
int scale;
cairo_region_get_extents (painted, &extents);
scale = gdk_surface_get_scale_factor (surface);
regions = (VkPresentRegionsKHR) {
.sType = VK_STRUCTURE_TYPE_PRESENT_REGIONS_KHR,
@ -454,10 +457,10 @@ gdk_vulkan_context_end_frame (GdkDrawContext *draw_context,
.rectangleCount = 1,
.pRectangles = &(VkRectLayerKHR) {
.layer = 0,
.offset.x = extents.x,
.offset.y = extents.y,
.extent.width = extents.width,
.extent.height = extents.height,
.offset.x = extents.x * scale,
.offset.y = extents.y * scale,
.extent.width = extents.width * scale,
.extent.height = extents.height * scale,
}
},
};