svn merge ^/branches/released . --username marha

1 files changed, 146 insertions, 0 deletions

diff --git a/mesalib/src/mesa/main/light.h b/mesalib/src/mesa/main/light.h
new file mode 100644
index 000000000..9c1a5eefa
--- /dev/null
+++ b/mesalib/src/mesa/main/light.h
@@ -0,0 +1,146 @@
+/*
+ * 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 "mtypes.h"
+
+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(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 < 0 /* gcc may cast an overflow float value to negative int value*/ \
+	|| 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