diff options
Diffstat (limited to 'src/mesa/main/extensions.c')
| -rw-r--r-- | src/mesa/main/extensions.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index b3b7a05382..b6ff6d1293 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -1,4 +1,4 @@ -/* $Id: extensions.c,v 1.18 2000/02/25 03:55:40 keithw Exp $ */ +/* $Id: extensions.c,v 1.19 2000/03/07 17:54:58 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -41,7 +41,7 @@ struct extension { struct extension *next, *prev; - int enabled; + GLint enabled; char name[MAX_EXT_NAMELEN+1]; void (*notify)( GLcontext *, GLboolean ); }; @@ -77,9 +77,23 @@ static struct { int enabled; const char *name; } default_extensions[] = { { ALWAYS_ENABLED, "GL_ARB_tranpose_matrix" }, { DEFAULT_OFF, "GL_EXT_vertex_array_set" }, { DEFAULT_OFF, "GL_EXT_texture_env" }, + { DEFAULT_ON, "GL_EXT_texture_lod_bias" } }; +/* + * Update the boolean convenience flags in the Extensions struct. + */ +static void +update_extension_flags( GLcontext *ctx ) +{ + /* Update flags */ + ctx->Extensions.HaveTextureEnvAdd = gl_extension_is_enabled(ctx, "GL_EXT_texture_env_add"); + ctx->Extensions.HaveTextureLodBias = gl_extension_is_enabled(ctx, "GL_EXT_texture_lod_bias"); +} + + + int gl_extensions_add( GLcontext *ctx, int state, const char *name, @@ -101,21 +115,26 @@ int gl_extensions_add( GLcontext *ctx, } -static int set_extension( GLcontext *ctx, const char *name, GLuint state ) +/* + * Either enable or disable the named extension. + */ +static int set_extension( GLcontext *ctx, const char *name, GLint state ) { struct extension *i; foreach( i, ctx->Extensions.ext_list ) if (strncmp(i->name, name, MAX_EXT_NAMELEN) == 0) break; - if (i == ctx->Extensions.ext_list) return 1; + if (i == ctx->Extensions.ext_list) + return 1; - if (i->enabled && !(i->enabled & ALWAYS_ENABLED)) - { + if (i->enabled && !(i->enabled & ALWAYS_ENABLED)) { if (i->notify) i->notify( ctx, state ); i->enabled = state; } + update_extension_flags(ctx); + return 0; } @@ -189,6 +208,7 @@ void gl_extensions_ctr( GLcontext *ctx ) default_extensions[i].name, 0 ); } + update_extension_flags(ctx); } |