From: Chad Versace Date: Wed, 26 Sep 2012 18:05:12 +0000 (-0700) Subject: intel: Fix segfault in intel_texsubimage_tiled_memcpy X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b1d0fe022dc4826dadce014ab8fe062a82f75a16;p=mesa.git intel: Fix segfault in intel_texsubimage_tiled_memcpy The function segfaulted when a game called glTexSubImage2D on a texture with internalformat/format/type = GL_SLUMINANCE8/GL_BGRA/GL_UNSIGNED_BYTE. The function only supports MESA_FORMAT_ARGB8888 and returns early if it detects an unsupported format. Clearly, its detection condition was insufficient. This patch fixes it to explicity check for MESA_FORMAT_ARGB8888. Note: This is a candidate for the 9.0 branch (fixes 413c491). Reviewed-and-tested-by: Kenneth Graunke Acked-by: Paul Berry Signed-off-by: Chad Versace --- diff --git a/src/mesa/drivers/dri/intel/intel_tex_subimage.c b/src/mesa/drivers/dri/intel/intel_tex_subimage.c index d3a873655fb..aa6f237f742 100644 --- a/src/mesa/drivers/dri/intel/intel_tex_subimage.c +++ b/src/mesa/drivers/dri/intel/intel_tex_subimage.c @@ -199,8 +199,7 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx, * varying the arithmetic loop below. */ if (!intel->has_llc || - format != GL_BGRA || - type != GL_UNSIGNED_BYTE || + texImage->TexFormat != MESA_FORMAT_ARGB8888 || texImage->TexObject->Target != GL_TEXTURE_2D || texImage->Level != 0 || pixels == NULL ||