Mesa (master): st/mesa: advertise ARB_half_float_vertex when available

Marek Olšák mareko at kemper.freedesktop.org
Fri May 28 01:31:25 UTC 2010


Module: Mesa
Branch: master
Commit: f2e05acac931889e0820e1cc5d7ea810048a6b5f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f2e05acac931889e0820e1cc5d7ea810048a6b5f

Author: Marek Olšák <maraeo at gmail.com>
Date:   Wed May 26 01:54:58 2010 +0200

st/mesa: advertise ARB_half_float_vertex when available

Both softpipe and llvmpipe pass the piglit half float test.

---

 src/mesa/state_tracker/st_extensions.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 810a063..4093eed 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;




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