i965: Disable regular fast-clears (CCS_D) on gen9+

[mesa.git] / src / mesa / drivers / dri / i965 / brw_meta_util.c

diff --git a/src/mesa/drivers/dri/i965/brw_meta_util.c b/src/mesa/drivers/dri/i965/brw_meta_util.c
index d292f5a8e24a503fd25941d38fe7f401207893bf..ba92168934e344a846fdc405ff856d0870edc572 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_meta_util.c
+++ b/src/mesa/drivers/dri/i965/brw_meta_util.c
@@ -293,6 +293,17 @@ brw_is_color_fast_clear_compatible(struct brw_context *brw,
        brw->mesa_to_isl_render_format[mt->format])
       return false;
 
+   /* Gen9 doesn't support fast clear on single-sampled SRGB buffers. When
+    * GL_FRAMEBUFFER_SRGB is enabled any color renderbuffers will be
+    * resolved in intel_update_state. In that case it's pointless to do a
+    * fast clear because it's very likely to be immediately resolved.
+    */
+   if (devinfo->gen >= 9 &&
+       mt->surf.samples == 1 &&
+       ctx->Color.sRGBEnabled &&
+       _mesa_get_srgb_format_linear(mt->format) != mt->format)
+      return false;
+
    const mesa_format format = _mesa_get_render_format(ctx, mt->format);
    if (_mesa_is_format_integer_color(format)) {
       if (devinfo->gen >= 8) {