2 files changed, 109 insertions, 0 deletions
diff --git a/source/blender/render/extern/include/RE_bake.h b/source/blender/render/extern/include/RE_bake.h
new file mode 100644
index 00000000000..d59819c8ef4
--- /dev/null
+++ b/source/blender/render/extern/include/RE_bake.h
@@ -0,0 +1,105 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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) 2010 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s):
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file RE_bake.h
+ *  \ingroup render
+ */
+
+#ifndef __RE_BAKE_H__
+#define __RE_BAKE_H__
+
+struct Render;
+struct Mesh;
+
+typedef struct BakeImage {
+	struct Image *image;
+	int width;
+	int height;
+	int offset;
+} BakeImage;
+
+typedef struct BakeImages {
+	BakeImage *data; /* all the images of an object */
+	int *lookup;     /* lookup table from Material to BakeImage */
+	int size;
+} BakeImages;
+
+typedef struct BakePixel {
+	int primitive_id;
+	float uv[2];
+	float du_dx, du_dy;
+	float dv_dx, dv_dy;
+} BakePixel;
+
+typedef struct BakeHighPolyData {
+	struct BakePixel *pixel_array;
+	struct Object *ob;
+	struct ModifierData *tri_mod;
+	struct Mesh *me;
+	char restrict_flag;
+	float mat_lowtohigh[4][4];
+} BakeHighPolyData;
+
+/* external_engine.c */
+bool RE_bake_has_engine(struct Render *re);
+
+bool RE_bake_engine(
+        struct Render *re, struct Object *object, const BakePixel pixel_array[],
+        const int num_pixels, const int depth, const ScenePassType pass_type, float result[]);
+
+/* bake.c */
+int RE_pass_depth(const ScenePassType pass_type);
+bool RE_bake_internal(
+        struct Render *re, struct Object *object, const BakePixel pixel_array[],
+        const int num_pixels, const int depth, const ScenePassType pass_type, float result[]);
+
+void RE_bake_pixels_populate_from_objects(
+        struct Mesh *me_low, BakePixel pixel_array_from[],
+        BakeHighPolyData highpoly[], const int tot_highpoly, const int num_pixels,
+        const float cage_extrusion);
+
+void RE_bake_pixels_populate(
+        struct Mesh *me, struct BakePixel *pixel_array,
+        const int num_pixels, const struct BakeImages *bake_images);
+
+void RE_bake_mask_fill(const BakePixel pixel_array[], const int num_pixels, char *mask);
+
+void RE_bake_margin(struct ImBuf *ibuf, char *mask, const int margin);
+
+void RE_bake_normal_world_to_object(
+        const BakePixel pixel_array[], const int num_pixels, const int depth, float result[],
+        struct Object *ob, const BakeNormalSwizzle normal_swizzle[3]);
+void RE_bake_normal_world_to_tangent(
+        const BakePixel pixel_array[], const int num_pixels, const int depth, float result[],
+        struct Mesh *me, const BakeNormalSwizzle normal_swizzle[3]);
+void RE_bake_normal_world_to_world(
+        const BakePixel pixel_array[], const int num_pixels, const int depth, float result[],
+        const BakeNormalSwizzle normal_swizzle[3]);
+
+void RE_bake_ibuf_clear(struct BakeImages *bake_images, const bool is_tangent);
+
+#endif  /* __RE_BAKE_H__ */
diff --git a/source/blender/render/extern/include/RE_engine.h b/source/blender/render/extern/include/RE_engine.h
index bd976e6c14a..2c6492b5c5a 100644
--- a/source/blender/render/extern/include/RE_engine.h
+++ b/source/blender/render/extern/include/RE_engine.h
@@ -35,6 +35,7 @@
 #include "DNA_listBase.h"
 #include "DNA_scene_types.h"
 #include "RNA_types.h"
+#include "RE_bake.h"
 
 struct bNode;
 struct bNodeTree;
@@ -47,6 +48,7 @@ struct RenderLayer;
 struct RenderResult;
 struct ReportList;
 struct Scene;
+struct BakePixel;
 
 /* External Engine */
 
@@ -85,6 +87,7 @@ typedef struct RenderEngineType {
 
 	void (*update)(struct RenderEngine *engine, struct Main *bmain, struct Scene *scene);
 	void (*render)(struct RenderEngine *engine, struct Scene *scene);
+	void (*bake)(struct RenderEngine *engine, struct Scene *scene, struct Object *object, const int pass_type, const struct BakePixel *pixel_array, const int num_pixels, const int depth, void *result);
 
 	void (*view_update)(struct RenderEngine *engine, const struct bContext *context);
 	void (*view_draw)(struct RenderEngine *engine, const struct bContext *context);
@@ -153,6 +156,7 @@ RenderEngineType *RE_engines_find(const char *idname);
 
 void RE_engine_get_current_tiles(struct Render *re, int *total_tiles_r, rcti **tiles_r);
 struct RenderData *RE_engine_get_render_data(struct Render *re);
+void RE_bake_engine_set_engine_parameters(struct Render *re, struct Main *bmain, struct Scene *scene);
 
 #endif /* __RE_ENGINE_H__ */