diff --git a/gdk/win32/gdkdxgiformat.c b/gdk/win32/gdkdxgiformat.c
new file mode 100644
index 0000000000..c38fc51a8c
--- /dev/null
+++ b/gdk/win32/gdkdxgiformat.c
@@ -0,0 +1,961 @@
+#include "config.h"
+
+#include "gdkdxgiformatprivate.h"
+
+#include "gdkmemoryformatprivate.h"
+
+
+typedef struct _GdkDXGIFormatTable GdkDXGIFormatTable;
+
+typedef void            (* GdkDXGIConvertFunc)              (DXGI_FORMAT                 src_format,
+                                                             gboolean                    src_premultiplied,
+                                                             const guchar               *src_data,
+                                                             gsize                       src_stride,
+                                                             GdkColorState              *src_color_state,
+                                                             GdkMemoryFormat             dest_format,
+                                                             guchar                     *dest_data,
+                                                             gsize                       dest_stride,
+                                                             GdkColorState              *dest_color_state,
+                                                             gsize                       width,
+                                                             gsize                       height);
+
+struct _GdkDXGIFormatTable
+{
+  GdkMemoryFormat memory_format_straight;
+  GdkMemoryFormat memory_format_premultiplied;
+  guint is_yuv :1;
+  GLenum internal_format;
+  GdkDXGIConvertFunc convert_func;
+};
+
+static void
+default_convert_func (DXGI_FORMAT      src_format,
+                      gboolean         src_premultiplied,
+                      const guchar    *src_data,
+                      gsize            src_stride,
+                      GdkColorState   *src_color_state,
+                      GdkMemoryFormat  dest_format,
+                      guchar          *dest_data,
+                      gsize            dest_stride,
+                      GdkColorState   *dest_color_state,
+                      gsize            width,
+                      gsize            height)
+{
+  GdkMemoryFormat src_memory_format = gdk_dxgi_format_get_memory_format (src_format, src_premultiplied);
+
+  gdk_memory_convert (dest_data,
+                      dest_stride,
+                      dest_format,
+                      dest_color_state,
+                      src_data,
+                      src_stride,
+                      src_memory_format,
+                      src_color_state,
+                      width,
+                      height);
+}
+
+static const GdkDXGIFormatTable format_table[] = {
+  [DXGI_FORMAT_UNKNOWN] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32B32A32_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32B32A32_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_R32G32B32A32_FLOAT,
+    .memory_format_premultiplied = GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED,
+    .is_yuv = FALSE,
+    .internal_format = GL_RGBA32F,
+    .convert_func = default_convert_func
+  },
+  [DXGI_FORMAT_R32G32B32A32_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32B32A32_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32B32_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32B32_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32B32_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32B32_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16B16A16_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16B16A16_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_R16G16B16A16_FLOAT,
+    .memory_format_premultiplied = GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED,
+    .is_yuv = FALSE,
+    .internal_format = GL_RGBA16F,
+    .convert_func = default_convert_func
+  },
+  [DXGI_FORMAT_R16G16B16A16_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_R16G16B16A16,
+    .memory_format_premultiplied = GDK_MEMORY_R16G16B16A16_PREMULTIPLIED,
+    .is_yuv = FALSE,
+    .internal_format = GL_RGBA16,
+    .convert_func = default_convert_func,
+  },
+  [DXGI_FORMAT_R16G16B16A16_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16B16A16_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16B16A16_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G32_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32G8X24_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_D32_FLOAT_S8X24_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_X32_TYPELESS_G8X24_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R10G10B10A2_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R10G10B10A2_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R10G10B10A2_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R11G11B10_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8B8A8_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8B8A8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_R8G8B8A8,
+    .memory_format_premultiplied = GDK_MEMORY_R8G8B8A8_PREMULTIPLIED,
+    .is_yuv = FALSE,
+    .internal_format = GL_RGBA8,
+    .convert_func = default_convert_func
+  },
+  [DXGI_FORMAT_R8G8B8A8_UNORM_SRGB] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8B8A8_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8B8A8_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8B8A8_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16G16_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_D32_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R32_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R24G8_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_D24_UNORM_S8_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R24_UNORM_X8_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_X24_TYPELESS_G8_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16_FLOAT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_D16_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R16_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8_UINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8_SINT] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_A8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R1_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R9G9B9E5_SHAREDEXP] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_R8G8_B8G8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_G8R8_G8B8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC1_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC1_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC1_UNORM_SRGB] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC2_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC2_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC2_UNORM_SRGB] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC3_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC3_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC3_UNORM_SRGB] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC4_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC4_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC4_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC5_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC5_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC5_SNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B5G6R5_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B5G5R5A1_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B8G8R8A8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_B8G8R8A8,
+    .memory_format_premultiplied = GDK_MEMORY_B8G8R8A8_PREMULTIPLIED,
+    .is_yuv = FALSE,
+    .internal_format = GL_BGRA8_EXT,
+    .convert_func = default_convert_func
+  },
+  [DXGI_FORMAT_B8G8R8X8_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_B8G8R8X8,
+    .memory_format_premultiplied = GDK_MEMORY_B8G8R8X8,
+    .is_yuv = FALSE,
+    .internal_format = GL_BGRA8_EXT,
+    .convert_func = default_convert_func
+  },
+  [DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B8G8R8A8_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B8G8R8A8_UNORM_SRGB] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B8G8R8X8_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B8G8R8X8_UNORM_SRGB] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC6H_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC6H_UF16] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC6H_SF16] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC7_TYPELESS] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC7_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_BC7_UNORM_SRGB] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_AYUV] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_Y410] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_Y416] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_NV12] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_P010] = {
+    .memory_format_straight = GDK_MEMORY_R16G16B16,
+    .memory_format_premultiplied = GDK_MEMORY_R16G16B16,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_P016] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_420_OPAQUE] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_YUY2] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_Y210] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_Y216] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_NV11] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_AI44] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_IA44] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_P8] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_A8P8] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_B4G4R4A4_UNORM] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_P208] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_V208] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+  [DXGI_FORMAT_V408] = {
+    .memory_format_straight = GDK_MEMORY_N_FORMATS,
+    .memory_format_premultiplied = GDK_MEMORY_N_FORMATS,
+    .is_yuv = FALSE,
+    .internal_format = 0,
+    .convert_func = NULL
+  },
+};
+
+gboolean
+gdk_dxgi_format_is_supported (DXGI_FORMAT dxgi_format)
+{
+  if (dxgi_format >= G_N_ELEMENTS (format_table))
+    return FALSE;
+
+  return format_table[dxgi_format].convert_func != NULL;
+}
+
+GLenum
+gdk_dxgi_format_get_gl_format (DXGI_FORMAT dxgi_format)
+{
+  if (dxgi_format >= G_N_ELEMENTS (format_table))
+    return 0;
+
+  return format_table[dxgi_format].internal_format;
+}
+
+/*<private>:
+ * Gets the memory format that best represents the given
+ * dxgi_format.
+ * 
+ * Note that this does *not* provide an exact match as there
+ * are more DXGI formats supported than exist memory formats.
+ * If you want an exact match, check gdk_memory_format_dxgi_format()
+ * for the returned format.
+ */
+GdkMemoryFormat
+gdk_dxgi_format_get_memory_format (DXGI_FORMAT dxgi_format,
+                                   gboolean    premultiplied)
+{
+  if (dxgi_format >= G_N_ELEMENTS (format_table))
+    return GDK_MEMORY_N_FORMATS;
+
+  if (premultiplied)
+    return format_table[dxgi_format].memory_format_premultiplied;
+  else
+    return format_table[dxgi_format].memory_format_straight;
+}
+
+gboolean
+gdk_dxgi_format_is_yuv (DXGI_FORMAT dxgi_format)
+{
+  return format_table[dxgi_format].is_yuv;
+}
+
+void
+gdk_dxgi_format_convert (DXGI_FORMAT      src_format,
+                         gboolean         src_premultiplied,
+                         const guchar    *src_data,
+                         gsize            src_stride,
+                         GdkColorState   *src_color_state,
+                         GdkMemoryFormat  dest_format,
+                         guchar          *dest_data,
+                         gsize            dest_stride,
+                         GdkColorState   *dest_color_state,
+                         gsize            width,
+                         gsize            height)
+{
+  g_assert (format_table[src_format].convert_func);
+
+  format_table[src_format].convert_func (src_format, src_premultiplied,
+                                         src_data, src_stride, src_color_state,
+                                         dest_format, 
+                                         dest_data, dest_stride, dest_color_state,
+                                         width, height);
+}
+  
\ No newline at end of file
diff --git a/gdk/win32/gdkdxgiformatprivate.h b/gdk/win32/gdkdxgiformatprivate.h
new file mode 100644
index 0000000000..fa70fa1e7c
--- /dev/null
+++ b/gdk/win32/gdkdxgiformatprivate.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include <gdk/gdkenums.h>
+#include <gdk/gdktypes.h>
+
+#include <directx/d3d12.h>
+#include <epoxy/gl.h>
+
+gboolean                gdk_dxgi_format_is_supported            (DXGI_FORMAT             dxgi_format);
+GdkMemoryFormat         gdk_dxgi_format_get_memory_format       (DXGI_FORMAT             dxgi_format,
+                                                                 gboolean                premultiplied);
+gboolean                gdk_dxgi_format_is_yuv                  (DXGI_FORMAT             dxgi_format);
+
+GLenum                  gdk_dxgi_format_get_gl_format           (DXGI_FORMAT             dxgi_format);
+
+void                    gdk_dxgi_format_convert                 (DXGI_FORMAT             src_format,
+                                                                 gboolean                src_premultiplied,
+                                                                 const guchar           *src_data,
+                                                                 gsize                   src_stride,
+                                                                 GdkColorState          *src_color_state,
+                                                                 GdkMemoryFormat         dest_format,
+                                                                 guchar                 *dest_data,
+                                                                 gsize                   dest_stride,
+                                                                 GdkColorState          *dest_color_state,
+                                                                 gsize                   width,
+                                                                 gsize                   height);
diff --git a/gdk/win32/meson.build b/gdk/win32/meson.build
index 5c00425739..18600542cb 100644
--- a/gdk/win32/meson.build
+++ b/gdk/win32/meson.build
@@ -21,6 +21,7 @@ gdk_win32_sources = gdk_win32_public_sources + files([
   'gdkdevice-win32.c',
   'gdkdevice-winpointer.c',
   'gdkdevice-wintab.c',
+  'gdkdxgiformat.c',
   'gdkdrop-win32.c',
   'gdkglcontext-win32-wgl-private.c',
   'gdkhdataoutputstream-win32.c',