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allow GetTexImage with RGBA format and COLOR_INDEX internalformat

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This commit is contained in:
Daniel Borca 2004-12-10 07:36:35 +00:00
parent 7af80ca8c1
commit 3cc28c96cd
1 changed files with 4 additions and 2 deletions
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6
src/mesa/main/teximage.c
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@ -1954,10 +1954,12 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
}
/* Make sure the requested image format is compatible with the
* texture's format.
* texture's format. We let the colorformat-indexformat go through,
* because the texelfetcher will dequantize to full rgba.
*/
if (is_color_format(format)
&& !is_color_format(texImage->TexFormat->BaseFormat)) {
&& !is_color_format(texImage->TexFormat->BaseFormat)
&& !is_index_format(texImage->TexFormat->BaseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return;
}