Mesa (master): mesa: Add _mesa_has_compute_shaders

[Ben Widawsky]

Module: Mesa
Branch: master
Commit: 2cd2831500443dc9ff4ea0bf645713c1f9da57d0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2cd2831500443dc9ff4ea0bf645713c1f9da57d0

Author: Jordan Justen <jordan.l.justen at intel.com>
Date:   Sat Feb 14 12:53:42 2015 -0800

mesa: Add _mesa_has_compute_shaders

v2 (Ben): Change GLboolean to bool as requested by Ian

Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>
Reviewed-by: Ben Widawsky <ben at bwidawsk.net>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Signed-off-by: Ben Widawsky <ben at bwidawsk.net>

---

 src/mesa/main/context.h |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h
index d902ea7..d565087 100644
--- a/src/mesa/main/context.h
+++ b/src/mesa/main/context.h
@@ -326,6 +326,17 @@ _mesa_has_geometry_shaders(const struct gl_context *ctx)
 }
 
 
+/**
+ * Checks if the context supports compute shaders.
+ */
+static inline bool
+_mesa_has_compute_shaders(const struct gl_context *ctx)
+{
+   return (ctx->API == API_OPENGL_CORE && ctx->Extensions.ARB_compute_shader) ||
+      (ctx->API == API_OPENGLES2 && ctx->Version >= 31);
+}
+
+
 #ifdef __cplusplus
 }
 #endif