diff options
| -rw-r--r-- | src/mesa/main/texparam.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c index bbdbc276388..e867dbf740c 100644 --- a/src/mesa/main/texparam.c +++ b/src/mesa/main/texparam.c @@ -1038,9 +1038,16 @@ get_tex_level_parameter_image(struct gl_context *ctx, img = _mesa_select_tex_image(ctx, texObj, target, level); if (!img || img->TexFormat == MESA_FORMAT_NONE) { - /* undefined texture image */ - if (pname == GL_TEXTURE_COMPONENTS) - *params = 1; + /* In case of undefined texture image return the default values. + * + * From OpenGL 4.0 spec, page 398: + * "The initial internal format of a texel array is RGBA + * instead of 1. TEXTURE_COMPONENTS is deprecated; always + * use TEXTURE_INTERNAL_FORMAT." + */ + + if (pname == GL_TEXTURE_INTERNAL_FORMAT) + *params = GL_RGBA; else *params = 0; return; |