1 files changed, 53 insertions, 0 deletions
diff --git a/source/blender/gpu/intern/gpu_texture_private.hh b/source/blender/gpu/intern/gpu_texture_private.hh
new file mode 100644
index 00000000000..6aa2a39046e
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+++ b/source/blender/gpu/intern/gpu_texture_private.hh
@@ -0,0 +1,53 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2020 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup gpu
+ */
+
+#pragma once
+
+#include "BLI_assert.h"
+
+namespace blender {
+namespace gpu {
+
+class Texture {
+ public:
+  /** TODO(fclem): make it a non-static function. */
+  static GPUAttachmentType attachment_type(GPUTexture *tex, int slot)
+  {
+    switch (GPU_texture_format(tex)) {
+      case GPU_DEPTH_COMPONENT32F:
+      case GPU_DEPTH_COMPONENT24:
+      case GPU_DEPTH_COMPONENT16:
+        BLI_assert(slot == 0);
+        return GPU_FB_DEPTH_ATTACHMENT;
+      case GPU_DEPTH24_STENCIL8:
+      case GPU_DEPTH32F_STENCIL8:
+        BLI_assert(slot == 0);
+        return GPU_FB_DEPTH_STENCIL_ATTACHMENT;
+      default:
+        return static_cast<GPUAttachmentType>(GPU_FB_COLOR_ATTACHMENT0 + slot);
+    }
+  }
+};
+
+}  // namespace gpu
+}  // namespace blender