diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index 471833778d2..d09fe6dcb41 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -576,6 +576,19 @@ brw_render_target_supported(struct intel_context *intel, rb->_BaseFormat != GL_RED) && _mesa_is_format_integer_color(format)) return false; + /* Under some conditions, MSAA is not supported for formats whose width is + * more than 64 bits. + */ + if (rb->NumSamples > 0 && _mesa_get_format_bytes(format) > 8) { + /* Gen6: MSAA on >64 bit formats is unsupported. */ + if (intel->gen <= 6) + return false; + + /* Gen7: 8x MSAA on >64 bit formats is unsupported. */ + if (rb->NumSamples >= 8) + return false; + } + return brw->format_supported_as_render_target[format]; } |