From 83adc544382689217e19564fd5f2dd62160956cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= <foucault.clem@gmail.com>
Date: Tue, 7 Feb 2017 11:20:15 +0100
Subject: Clay-Engine (merge clay-engine)
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Initial work by Clément Foucault with contributions from Dalai Felinto
(mainly per-collection engine settings logic, and depsgraph iterator placeholder).

This makes Blender require OpenGL 3.3. Which means Intel graphic card
and OSX will break. Disable CLAY_ENGINE in CMake in those cases.

This is a prototype render engine intended to help the design of real
render engines. This is mainly an engine with enphasis in matcap and
ambient occlusion.

Implemented Features
--------------------

* Clay Render Engine, following the new API, to be used as reference for
future engines

* A more complete Matcap customization with more options

* Per-Collection render engine settings

* New Ground Truth AO - not enabled

Missing Features
----------------

* Finish object edit mode
  - Fix shaders to use new matrix
  - Fix artifacts when edge does off screen
  - Fix depth issue
  - Selection sillhouette
  - Mesh wires
  - Use mesh normals (for higher quality matcap)
  - Non-Mesh objects drawing
  - Widget drawing
  - Performance issues

* Finish mesh edit mode
  - Derived-Mesh-less edit mode API (mesh_rende.c)

* General edit mode
  - Per-collection edit mode settings

* General engines
  - Per-collection engine settings
    (they are their, but they still need to be flushed by depsgraph, and
    used by the drawing code)
---
 source/blender/draw/DRW_engine.h | 45 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 source/blender/draw/DRW_engine.h

(limited to 'source/blender/draw/DRW_engine.h')

diff --git a/source/blender/draw/DRW_engine.h b/source/blender/draw/DRW_engine.h
new file mode 100644
index 00000000000..4f86e3fcd91
--- /dev/null
+++ b/source/blender/draw/DRW_engine.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2016, Blender Foundation.
+ *
+ * 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.
+ *
+ * Contributor(s): Blender Institute
+ *
+ */
+
+/** \file DRW_engine.h
+ *  \ingroup draw
+ */
+
+#ifndef __DRW_ENGINE_H__
+#define __DRW_ENGINE_H__
+
+//#define WITH_VIEWPORT_CACHE_TEST
+
+struct DRWPass;
+struct Material;
+struct Scene;
+
+void DRW_engines_init(void);
+void DRW_engines_free(void);
+
+/* This is here because GPUViewport needs it */
+void DRW_pass_free(struct DRWPass *pass);
+
+/* Settings */
+void *DRW_material_settings_get(struct Material *ma, const char *engine_name);
+void *DRW_render_settings_get(struct Scene *scene, const char *engine_name);
+
+#endif /* __DRW_ENGINE_H__ */
\ No newline at end of file
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