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; + } + } + return GL_FALSE; } -- 1.7.3.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev