From: Marek Olšák <maraeo@gmail.com>
Date: Tue, 25 May 2010 23:54:58 +0000 (+0200)
Subject: st/mesa: advertise ARB_half_float_vertex when available
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f2e05acac931889e0820e1cc5d7ea810048a6b5f;p=mesa.git

st/mesa: advertise ARB_half_float_vertex when available

Both softpipe and llvmpipe pass the piglit half float test.
---

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 810a0635b50..4093eedde9a 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -373,6 +373,13 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
    }
 
+   /* GL_ARB_half_float_vertex */
+   if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER, 0)) {
+      ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+   }
+
 #if 0 /* not yet */
    if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_FUNC)) {
       ctx->Extensions.ARB_draw_buffers_blend = GL_TRUE;