135 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			135 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**
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 * $Id$
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 *
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 * ***** BEGIN GPL LICENSE BLOCK *****
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 *
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 * This shader is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version. The Blender
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 * Foundation also sells licenses for use in proprietary software under
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 * the Blender License.  See http://www.blender.org/BL/ for information
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 * about this.
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 *
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 * This shader is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this shader; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 *
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 * The Original Code is Copyright (C) 2005 Blender Foundation.
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 * All rights reserved.
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 *
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 * The Original Code is: all of this file.
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 *
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 * Contributor(s): Brecht Van Lommel.
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 *
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 * ***** END GPL LICENSE BLOCK *****
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 */
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#ifndef GPU_GAME_H
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#define GPU_GAME_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct Image;
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struct ImageUser;
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struct MTFace;
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struct Object;
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struct Scene;
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struct View3D;
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struct RegionView3D;
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struct SmokeModifierData;
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/* OpenGL drawing functions related to shading. These are also
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 * shared with the game engine, where there were previously
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 * duplicates of some of these functions. */
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/* Initialize
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 * - sets the default Blender opengl state, if in doubt, check
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 *   the contents of this function
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 * - this is called when starting Blender, for opengl rendering,
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 *   and for switching back from the game engine for example. */
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void GPU_state_init(void);
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/* Debugging */
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void GPU_state_print(void);
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/* Material drawing
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 * - first the state is initialized by a particular object and
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 *   it's materials
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 * - after this, materials can be quickly enabled by their number,
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 *   GPU_enable_material returns 0 if drawing should be skipped
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 * - after drawing, the material must be disabled again */
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void GPU_begin_object_materials(struct View3D *v3d, struct RegionView3D *rv3d, 
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	struct Scene *scene, struct Object *ob, int glsl, int *do_alpha_pass);
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void GPU_end_object_materials(void);
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int GPU_enable_material(int nr, void *attribs);
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void GPU_disable_material(void);
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void GPU_set_material_blend_mode(int blendmode);
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int GPU_get_material_blend_mode(void);
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/* TexFace drawing
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 * - this is mutually exclusive with material drawing, a mesh should
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 *   be drawn using one or the other
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 * - passing NULL clears the state again */
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int GPU_set_tpage(struct MTFace *tface, int mipmap);
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/* Lights
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 * - returns how many lights were enabled
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 * - this affects fixed functions materials and texface, not glsl */
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int GPU_default_lights(void);
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int GPU_scene_object_lights(struct Scene *scene, struct Object *ob,
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	int lay, float viewmat[][4], int ortho);
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/* Text render
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 * - based on moving uv coordinates */
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void GPU_render_text(struct MTFace *tface, int mode,
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	const char *textstr, int textlen, unsigned int *col,
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	float *v1, float *v2, float *v3, float *v4, int glattrib);
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/* Mipmap settings
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 * - these will free textures on changes */
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void GPU_set_mipmap(int mipmap);
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void GPU_set_linear_mipmap(int linear);
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void GPU_paint_set_mipmap(int mipmap);
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/* Image updates and free
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 * - these deal with images bound as opengl textures */
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void GPU_paint_update_image(struct Image *ima, int x, int y, int w, int h, int mipmap);
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void GPU_update_images_framechange(void);
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int GPU_update_image_time(struct Image *ima, double time);
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int GPU_verify_image(struct Image *ima, struct ImageUser *iuser, int tftile, int compare, int mipmap);
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void GPU_free_image(struct Image *ima);
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void GPU_free_images(void);
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void GPU_free_images_anim(void);
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/* smoke drawing functions */
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void GPU_free_smoke(struct SmokeModifierData *smd);
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void GPU_create_smoke(struct SmokeModifierData *smd, int highres);
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/* Delayed free of OpenGL buffers by main thread */
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void GPU_free_unused_buffers(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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