st/mesa: raise shader MaxParameters if driver supports more

The default value is 64 but drivers usually advertise more, like 4096.
Allows ARB vp/fp programs to use more parameters.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 2f2bc5c..339e00d 100644 (file)
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -167,6 +167,8 @@ void st_init_limits(struct st_context *st)
       pc->MaxNativeAddressRegs     = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ADDRS);
       pc->MaxNativeParameters      = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONSTS);
       pc->MaxUniformComponents     = 4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS);
+      /* raise MaxParameters if native support is higher */
+      pc->MaxParameters            = MAX2(pc->MaxParameters, pc->MaxNativeParameters);
 
       options->EmitNoNoise = TRUE;