mesa/main: do not allow rg-textures enums before gles3

EXT_packed_float isn't supported on OpenGL ES, we shouldn't allow
these enums there, before OpenGL ES 3.0 which also introduce support
for these enums.

Since this check is repeated a lot, let's make a helper for this.

Signed-off-by: Erik Faye-Lund <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h
index 84dbcb748c9..af81717d9bd 100644
--- a/src/mesa/main/context.h
+++ b/src/mesa/main/context.h
@@ -361,6 +361,12 @@ _mesa_has_packed_float(const struct gl_context *ctx)
    return _mesa_has_EXT_packed_float(ctx) || _mesa_is_gles3(ctx);
 }
 
+static inline bool
+_mesa_has_rg_textures(const struct gl_context *ctx)
+{
+   return _mesa_has_ARB_texture_rg(ctx) || _mesa_is_gles3(ctx);
+}
+
 /**
  * Checks if the context supports geometry shaders.
  */