mesa: add glRenderbufferStorage support for EXT_texture_norm16 formats

These bits were missing, found when extending the Piglit test.

Fixes: 7f467d4f73 "mesa: GL_EXT_texture_norm16 extension plumbing"
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 750d7f45e3414624e3f076c75e95e76ea00bead6..cfe2174ef125f7cddcd0f2c6f3f42777229857ed 100644 (file)
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -1943,8 +1943,10 @@ _mesa_base_fbo_format(const struct gl_context *ctx, GLenum internalFormat)
    case GL_RGBA:
    case GL_RGBA2:
    case GL_RGBA12:
-   case GL_RGBA16:
       return _mesa_is_desktop_gl(ctx) ? GL_RGBA : 0;
+   case GL_RGBA16:
+      return _mesa_is_desktop_gl(ctx) || _mesa_has_EXT_texture_norm16(ctx)
+         ? GL_RGBA : 0;
    case GL_RGB10_A2:
    case GL_SRGB8_ALPHA8_EXT:
       return _mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx) ? GL_RGBA : 0;
@@ -1979,15 +1981,17 @@ _mesa_base_fbo_format(const struct gl_context *ctx, GLenum internalFormat)
              ctx->Extensions.ARB_depth_buffer_float)
          ? GL_DEPTH_STENCIL : 0;
    case GL_RED:
+      return _mesa_has_ARB_texture_rg(ctx) ? GL_RED : 0;
    case GL_R16:
-      return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_rg
+      return _mesa_has_ARB_texture_rg(ctx) || _mesa_has_EXT_texture_norm16(ctx)
          ? GL_RED : 0;
    case GL_R8:
       return ctx->API != API_OPENGLES && ctx->Extensions.ARB_texture_rg
          ? GL_RED : 0;
    case GL_RG:
+      return _mesa_has_ARB_texture_rg(ctx) ? GL_RG : 0;
    case GL_RG16:
-      return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_rg
+      return _mesa_has_ARB_texture_rg(ctx) || _mesa_has_EXT_texture_norm16(ctx)
          ? GL_RG : 0;
    case GL_RG8:
       return ctx->API != API_OPENGLES && ctx->Extensions.ARB_texture_rg