From: Ian Romanick <ian.d.roman...@intel.com> In an ES2 context (or if GL_ARB_ES2_compatibility) is supported, the framebuffer can be complete with some attachments be missing. In this case the _ColorDrawBuffers pointer will be NULL.
Fixes the crash in piglit test fbo-missing-attachment-clear. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=37739 --- src/mesa/swrast/s_clear.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/src/mesa/swrast/s_clear.c b/src/mesa/swrast/s_clear.c index 75805f9..9e9b531 100644 --- a/src/mesa/swrast/s_clear.c +++ b/src/mesa/swrast/s_clear.c @@ -165,6 +165,14 @@ clear_color_buffers(struct gl_context *ctx) for (buf = 0; buf < ctx->DrawBuffer->_NumColorDrawBuffers; buf++) { struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[buf]; + + /* If this is an ES2 context or GL_ARB_ES2_compatibility is supported, + * the framebuffer can be complete with some attachments be missing. In + * this case the _ColorDrawBuffers pointer will be NULL. + */ + if (rb == NULL) + continue; + if (ctx->Color.ColorMask[buf][0] == 0 || ctx->Color.ColorMask[buf][1] == 0 || ctx->Color.ColorMask[buf][2] == 0 || -- 1.7.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
