Workbench: Silhouette shading

Currently it uses the `obj->col`. This needs to be made more intelligent
with fe collection overrides.

1 files changed, 105 insertions, 0 deletions

diff --git a/source/blender/draw/engines/workbench/workbench_engine.c b/source/blender/draw/engines/workbench/workbench_engine.c
new file mode 100644
index 00000000000..bcaed908ec6
--- /dev/null
+++ b/source/blender/draw/engines/workbench/workbench_engine.c
@@ -0,0 +1,105 @@
+/*
+ * 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 workbench_engine.c
+ *  \ingroup draw_engine
+ *
+ * Simple engine for drawing color and/or depth.
+ * When we only need simple flat shaders.
+ */
+
+#include "DRW_render.h"
+
+#include "BKE_icons.h"
+#include "BKE_idprop.h"
+#include "BKE_main.h"
+
+#include "GPU_shader.h"
+
+#include "workbench_engine.h"
+#include "workbench_private.h"
+/* Shaders */
+
+#define WORKBENCH_ENGINE "BLENDER_WORKBENCH"
+
+
+/* Functions */
+
+static void workbench_engine_init(void *UNUSED(vedata))
+{
+	workbench_materials_init();
+}
+
+static void workbench_cache_init(void *vedata)
+{
+	workbench_materials_cache_init((WORKBENCH_Data *)vedata);
+}
+
+static void workbench_cache_populate(void *vedata, Object *ob)
+{
+	workbench_materials_cache_populate((WORKBENCH_Data *)vedata, ob);
+}
+
+static void workbench_cache_finish(void *vedata)
+{
+	workbench_materials_cache_finish((WORKBENCH_Data *)vedata);
+}
+
+static void workbench_draw_scene(void *vedata)
+{
+	workbench_materials_draw_scene((WORKBENCH_Data *)vedata);
+}
+
+static void workbench_engine_free(void)
+{
+	workbench_materials_free();
+}
+
+static const DrawEngineDataSize workbench_data_size = DRW_VIEWPORT_DATA_SIZE(WORKBENCH_Data);
+
+DrawEngineType draw_engine_workbench_type = {
+	NULL, NULL,
+	N_("Workbench"),
+	&workbench_data_size,
+	&workbench_engine_init,
+	&workbench_engine_free,
+	&workbench_cache_init,
+	&workbench_cache_populate,
+	&workbench_cache_finish,
+	NULL,
+	&workbench_draw_scene,
+	NULL,
+	NULL,
+	NULL,
+};
+
+/* Note: currently unused, we may want to register so we can see this when debugging the view. */
+
+RenderEngineType DRW_engine_viewport_workbench_type = {
+	NULL, NULL,
+	WORKBENCH_ENGINE, N_("Workbench"), RE_INTERNAL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	&draw_engine_workbench_type,
+	{NULL, NULL, NULL}
+};
+
+
+#undef WORKBENCH_ENGINE