1 files changed, 65 insertions, 0 deletions
diff --git a/source/blender/gpu/opengl/gl_primitive.hh b/source/blender/gpu/opengl/gl_primitive.hh
new file mode 100644
index 00000000000..7cd0654bc2c
--- /dev/null
+++ b/source/blender/gpu/opengl/gl_primitive.hh
@@ -0,0 +1,65 @@
+/*
+ * 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
+ *
+ * Encapsulation of Framebuffer states (attached textures, viewport, scissors).
+ */
+
+#pragma once
+
+#include "BLI_assert.h"
+
+#include "GPU_primitive.h"
+
+#include "glew-mx.h"
+
+namespace blender::gpu {
+
+static inline GLenum to_gl(GPUPrimType prim_type)
+{
+  BLI_assert(prim_type != GPU_PRIM_NONE);
+  switch (prim_type) {
+    default:
+    case GPU_PRIM_POINTS:
+      return GL_POINTS;
+    case GPU_PRIM_LINES:
+      return GL_LINES;
+    case GPU_PRIM_LINE_STRIP:
+      return GL_LINE_STRIP;
+    case GPU_PRIM_LINE_LOOP:
+      return GL_LINE_LOOP;
+    case GPU_PRIM_TRIS:
+      return GL_TRIANGLES;
+    case GPU_PRIM_TRI_STRIP:
+      return GL_TRIANGLE_STRIP;
+    case GPU_PRIM_TRI_FAN:
+      return GL_TRIANGLE_FAN;
+
+    case GPU_PRIM_LINES_ADJ:
+      return GL_LINES_ADJACENCY;
+    case GPU_PRIM_LINE_STRIP_ADJ:
+      return GL_LINE_STRIP_ADJACENCY;
+    case GPU_PRIM_TRIS_ADJ:
+      return GL_TRIANGLES_ADJACENCY;
+  };
+}
+
+}  // namespace blender::gpu