r300: only enable half floats on r500s.

Thank to MAD for point it out.

diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 24c51d4fee8198d048ba31bd4ba43603d2193efe..74947a95d234c1f51efc2b89644ddb4a92e3c963 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -97,7 +97,6 @@ static const struct dri_extension card_extensions[] = {
   /* *INDENT-OFF* */
   {"GL_ARB_depth_texture",             NULL},
   {"GL_ARB_fragment_program",          NULL},
-  {"GL_ARB_half_float_vertex",         NULL},
   {"GL_ARB_occlusion_query",           GL_ARB_occlusion_query_functions},
   {"GL_ARB_multitexture",              NULL},
   {"GL_ARB_point_parameters",          GL_ARB_point_parameters_functions},
@@ -452,6 +451,8 @@ static void r300InitGLExtensions(GLcontext *ctx)
        if (!r300->radeon.radeonScreen->drmSupportsOcclusionQueries) {
                _mesa_disable_extension(ctx, "GL_ARB_occlusion_query");
        }
+       if (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515)
+               _mesa_enable_extension(ctx, "GL_ARB_half_float_vertex");
 }
 
 static void r300InitIoctlFuncs(struct dd_function_table *functions)