| 0,0 → 1,151 |
|---|
| /* |
| * Mesa 3-D graphics library |
| * Version: 7.5 |
| * |
| * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
| * Copyright (C) 2009 VMware, Inc. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| #ifndef LIGHT_H |
| #define LIGHT_H |
| |
| |
| #include "glheader.h" |
| #include "mfeatures.h" |
| |
| struct gl_context; |
| struct gl_light; |
| struct gl_material; |
| |
| extern void GLAPIENTRY |
| _mesa_ShadeModel( GLenum mode ); |
| |
| extern void GLAPIENTRY |
| _mesa_ProvokingVertexEXT(GLenum mode); |
| |
| |
| #if _HAVE_FULL_GL |
| extern void GLAPIENTRY |
| _mesa_ColorMaterial( GLenum face, GLenum mode ); |
| |
| extern void GLAPIENTRY |
| _mesa_Lightf( GLenum light, GLenum pname, GLfloat param ); |
| |
| extern void GLAPIENTRY |
| _mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params ); |
| |
| extern void GLAPIENTRY |
| _mesa_Lightiv( GLenum light, GLenum pname, const GLint *params ); |
| |
| extern void GLAPIENTRY |
| _mesa_Lighti( GLenum light, GLenum pname, GLint param ); |
| |
| extern void GLAPIENTRY |
| _mesa_LightModelf( GLenum pname, GLfloat param ); |
| |
| extern void GLAPIENTRY |
| _mesa_LightModelfv( GLenum pname, const GLfloat *params ); |
| |
| extern void GLAPIENTRY |
| _mesa_LightModeli( GLenum pname, GLint param ); |
| |
| extern void GLAPIENTRY |
| _mesa_LightModeliv( GLenum pname, const GLint *params ); |
| |
| extern void GLAPIENTRY |
| _mesa_GetLightfv( GLenum light, GLenum pname, GLfloat *params ); |
| |
| extern void GLAPIENTRY |
| _mesa_GetLightiv( GLenum light, GLenum pname, GLint *params ); |
| |
| extern void GLAPIENTRY |
| _mesa_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params ); |
| |
| extern void GLAPIENTRY |
| _mesa_GetMaterialiv( GLenum face, GLenum pname, GLint *params ); |
| |
| |
| extern void |
| _mesa_light(struct gl_context *ctx, GLuint lnum, GLenum pname, const GLfloat *params); |
| |
| |
| /* Lerp between adjacent values in the f(x) lookup table, giving a |
| * continuous function, with adequeate overall accuracy. (Though |
| * still pretty good compared to a straight lookup). |
| * Result should be a GLfloat. |
| */ |
| #define GET_SHINE_TAB_ENTRY( table, dp, result ) \ |
| do { \ |
| struct gl_shine_tab *_tab = table; \ |
| float f = (dp * (SHINE_TABLE_SIZE-1)); \ |
| int k = (int) f; \ |
| if (k < 0 /* gcc may cast an overflow float value to negative int value*/ \ |
| || k > SHINE_TABLE_SIZE-2) \ |
| result = (GLfloat) pow( dp, _tab->shininess ); \ |
| else \ |
| result = _tab->tab[k] + (f-k)*(_tab->tab[k+1]-_tab->tab[k]); \ |
| } while (0) |
| |
| |
| extern GLuint _mesa_material_bitmask( struct gl_context *ctx, |
| GLenum face, GLenum pname, |
| GLuint legal, |
| const char * ); |
| |
| extern void _mesa_invalidate_spot_exp_table( struct gl_light *l ); |
| |
| extern void _mesa_invalidate_shine_table( struct gl_context *ctx, GLuint i ); |
| |
| extern void _mesa_validate_all_lighting_tables( struct gl_context *ctx ); |
| |
| extern void _mesa_update_lighting( struct gl_context *ctx ); |
| |
| extern void _mesa_update_tnl_spaces( struct gl_context *ctx, GLuint new_state ); |
| |
| extern void _mesa_update_material( struct gl_context *ctx, |
| GLuint bitmask ); |
| |
| extern void _mesa_copy_materials( struct gl_material *dst, |
| const struct gl_material *src, |
| GLuint bitmask ); |
| |
| extern void _mesa_update_color_material( struct gl_context *ctx, |
| const GLfloat rgba[4] ); |
| |
| extern void _mesa_init_lighting( struct gl_context *ctx ); |
| |
| extern void _mesa_free_lighting_data( struct gl_context *ctx ); |
| |
| extern void _mesa_allow_light_in_model( struct gl_context *ctx, GLboolean flag ); |
| |
| #else |
| #define _mesa_update_color_material( c, r ) ((void)0) |
| #define _mesa_validate_all_lighting_tables( c ) ((void)0) |
| #define _mesa_invalidate_spot_exp_table( l ) ((void)0) |
| #define _mesa_material_bitmask( c, f, p, l, s ) 0 |
| #define _mesa_init_lighting( c ) ((void)0) |
| #define _mesa_free_lighting_data( c ) ((void)0) |
| #define _mesa_update_lighting( c ) ((void)0) |
| #define _mesa_update_tnl_spaces( c, n ) ((void)0) |
| #define GET_SHINE_TAB_ENTRY( table, dp, result ) ((result)=0) |
| #endif |
| |
| #endif |