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

2010-09-28 11:17:27 -07:00
parent 3ebbc176f9
commit cc6f13def5
1 changed files with 10 additions and 0 deletions
@@ -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);