From: Ian Romanick <ian.d.romanick@intel.com>
Date: Tue, 28 Sep 2010 18:17:27 +0000 (-0700)
Subject: ARB_texture_rg: Add GL_TEXTURE_{RED,GREEN}_SIZE query support
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cc6f13def53eb280b63427fbdeca197a09315062;p=mesa.git

ARB_texture_rg: Add GL_TEXTURE_{RED,GREEN}_SIZE query support
---

diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 187049c0701..58d785812ea 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -870,7 +870,17 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
          *params = img->Border;
          break;
       case GL_TEXTURE_RED_SIZE:
+         if (img->_BaseFormat == GL_RED) {
+            *params = _mesa_get_format_bits(texFormat, pname);
+	    break;
+	 }
+	 /* FALLTHROUGH */
       case GL_TEXTURE_GREEN_SIZE:
+         if (img->_BaseFormat == GL_RG) {
+            *params = _mesa_get_format_bits(texFormat, pname);
+	    break;
+	 }
+	 /* FALLTHROUGH */
       case GL_TEXTURE_BLUE_SIZE:
          if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
             *params = _mesa_get_format_bits(texFormat, pname);