summaryrefslogtreecommitdiff
path: root/src/mesa/main/light.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/main/light.h')
-rw-r--r--src/mesa/main/light.h145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/mesa/main/light.h b/src/mesa/main/light.h
new file mode 100644
index 0000000..f47fe58
--- /dev/null
+++ b/src/mesa/main/light.h
@@ -0,0 +1,145 @@
+/**
+ * \file light.h
+ * Lighting.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.5
+ *
+ * Copyright (C) 1999-2001 Brian Paul 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 "mtypes.h"
+
+extern void GLAPIENTRY
+_mesa_ShadeModel( 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(GLcontext *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 > SHINE_TABLE_SIZE-2) \
+ result = (GLfloat) _mesa_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( GLcontext *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( GLcontext *ctx, GLuint i );
+
+extern void _mesa_validate_all_lighting_tables( GLcontext *ctx );
+
+extern void _mesa_update_lighting( GLcontext *ctx );
+
+extern void _mesa_update_tnl_spaces( GLcontext *ctx, GLuint new_state );
+
+extern void _mesa_update_material( GLcontext *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( GLcontext *ctx,
+ const GLfloat rgba[4] );
+
+extern void _mesa_init_lighting( GLcontext *ctx );
+
+extern void _mesa_free_lighting_data( GLcontext *ctx );
+
+extern void _mesa_allow_light_in_model( GLcontext *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