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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 /* 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) 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)"); _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return; return;
} }