diff options
author | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2013-03-10 19:38:23 +0400 |
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committer | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2013-03-10 19:38:23 +0400 |
commit | 9fe858264c698844c6734ed8eeeb0cd2373b4b4a (patch) | |
tree | 926c0f82915fe1417e3f679f5e64fe4f32350841 /source/blender/gpu/GPU_simple_shader.h | |
parent | f57398568a326dcbc69900d2c21b96abca14429b (diff) |
OpenGL: more work on fixed function lighting implementation as GLSL.
* Rename functions and move to own header.
* Add wrapper functions for glLight.
* Auto detect if we can use faster code for solid lighting.
* Various fixes for textured draw mode.
Diffstat (limited to 'source/blender/gpu/GPU_simple_shader.h')
-rw-r--r-- | source/blender/gpu/GPU_simple_shader.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/source/blender/gpu/GPU_simple_shader.h b/source/blender/gpu/GPU_simple_shader.h new file mode 100644 index 00000000000..c8fb1f09b04 --- /dev/null +++ b/source/blender/gpu/GPU_simple_shader.h @@ -0,0 +1,89 @@ +/* + * ***** 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) 2005 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Brecht Van Lommel. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file GPU_simple_shader.h + * \ingroup gpu + */ + +#ifndef __GPU_SIMPLE_SHADER_H__ +#define __GPU_SIMPLE_SHADER_H__ + +#include "BLI_utildefines.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Fixed Function Shader */ + +typedef enum GPUSimpleShaderOption { + GPU_SHADER_OVERRIDE_DIFFUSE = (1<<0), /* replace diffuse with glcolor */ + GPU_SHADER_LIGHTING = (1<<1), /* use lighting */ + GPU_SHADER_TWO_SIDED = (1<<2), /* flip normals towards viewer */ + GPU_SHADER_TEXTURE_2D = (1<<3), /* use 2D texture to replace diffuse color */ + + GPU_SHADER_SOLID_LIGHTING = (1<<4), /* use faster lighting (set automatically) */ + GPU_SHADER_OPTIONS_NUM = 5, + GPU_SHADER_OPTION_COMBINATIONS = (1<<GPU_SHADER_OPTIONS_NUM) +} GPUSimpleShaderOption; + +void GPU_simple_shaders_init(void); +void GPU_simple_shaders_exit(void); + +void GPU_simple_shader_bind(int options); +void GPU_simple_shader_unbind(void); + +void GPU_simple_shader_colors(const float diffuse[3], const float specular[3], + int shininess, float alpha); + +bool GPU_simple_shader_need_normals(void); + +/* Fixed Function Lighting */ + +typedef struct GPULightData { + float position[4]; + float diffuse[4]; + float specular[4]; + + float constant_attenuation; + float linear_attenuation; + float quadratic_attenuation; + + float spot_direction[3]; + float spot_cutoff; + float spot_exponent; +} GPULightData; + +void GPU_simple_shader_light_set(int light_num, GPULightData *light); +void GPU_simple_shader_light_set_viewer(bool local); + +#ifdef __cplusplus +} +#endif + +#endif + |