Mesa (master): i965: Disable fast clears when running with INTEL_DEBUG=nofc

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Module: Mesa
Branch: master
Commit: 9b58863f870c550ead499859b038d32df46a147e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b58863f870c550ead499859b038d32df46a147e

Author: Caio Marcelo de Oliveira Filho <caio.oliveira at intel.com>
Date:   Mon Oct  7 17:15:26 2019 -0700

i965: Disable fast clears when running with INTEL_DEBUG=nofc

Reviewed-by: Rafael Antognolli <rafael.antognolli at intel.com>

---

 src/mesa/drivers/dri/i965/brw_blorp.c | 3 +++
 src/mesa/drivers/dri/i965/brw_clear.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c b/src/mesa/drivers/dri/i965/brw_blorp.c
index dc7862b407d..0cc7922e6e5 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.c
+++ b/src/mesa/drivers/dri/i965/brw_blorp.c
@@ -1211,6 +1211,9 @@ do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
 
    bool can_fast_clear = !partial_clear;
 
+   if (INTEL_DEBUG & DEBUG_NO_FAST_CLEAR)
+      can_fast_clear = false;
+
    bool color_write_disable[4] = { false, false, false, false };
    if (set_write_disables(irb, GET_COLORMASK(ctx->Color.ColorMask, buf),
                           color_write_disable))
diff --git a/src/mesa/drivers/dri/i965/brw_clear.c b/src/mesa/drivers/dri/i965/brw_clear.c
index 1508171da10..85f27e717b0 100644
--- a/src/mesa/drivers/dri/i965/brw_clear.c
+++ b/src/mesa/drivers/dri/i965/brw_clear.c
@@ -108,6 +108,9 @@ brw_fast_clear_depth(struct gl_context *ctx)
    struct gl_renderbuffer_attachment *depth_att = &fb->Attachment[BUFFER_DEPTH];
    const struct gen_device_info *devinfo = &brw->screen->devinfo;
 
+   if (INTEL_DEBUG & DEBUG_NO_FAST_CLEAR)
+      return false;
+
    if (devinfo->gen < 6)
       return false;