On Wed, 15 Feb 2012 15:41:01 -0700, Brian Paul <bri...@vmware.com> wrote:
> If the texture format is integer, the incoming user data must also be
> integer (and similarly for non-integer textures).
>
> NOTE: This is a candidate for the stable branches.
> ---
> src/mesa/main/teximage.c | 11 +++++++++++
> 1 files changed, 11 insertions(+), 0 deletions(-)
>
> diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
> index e4eb7f6..a3ffb01 100644
> --- a/src/mesa/main/teximage.c
> +++ b/src/mesa/main/teximage.c
> @@ -1852,6 +1852,17 @@ subtexture_error_check2( struct gl_context *ctx,
> GLuint dimensions,
> }
> }
>
> + if (ctx->VersionMajor >= 3 || ctx->Extensions.EXT_texture_integer) {
> + /* both source and dest must be integer-valued, or neither */
> + if (_mesa_is_format_integer_color(destTex->TexFormat) !=
> + _mesa_is_integer_format(format)) {
> + _mesa_error(ctx, GL_INVALID_OPERATION,
> + "glTexSubImage%d(integer/non-integer format mismatch)",
> + dimensions);
> + return GL_TRUE;
> + }
> + }
> +Reviewed-by: Eric Anholt <e...@anholt.net>
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