Mesa (master): i965: Support the mesa_no_error driconf option.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 665fd10396aa1dba395a8fe4d7a35dfed90fe27e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=665fd10396aa1dba395a8fe4d7a35dfed90fe27e

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Sat Jul 22 00:51:03 2017 -0700

i965: Support the mesa_no_error driconf option.

This allows us to override contexts to use no_error functionality
even if the applications themselves do not.

Reviewed-by: Matt Turner <mattst88 at gmail.com>

---

 src/mesa/drivers/dri/i965/brw_context.c  | 3 +++
 src/mesa/drivers/dri/i965/intel_screen.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index b412ecff90..d0b22d4342 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -745,6 +745,9 @@ brw_process_driconf_options(struct brw_context *brw)
           brw->has_separate_stencil = false;
    }
 
+   if (driQueryOptionb(options, "mesa_no_error"))
+      ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR;
+
    if (driQueryOptionb(options, "always_flush_batch")) {
       fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
       brw->always_flush_batch = true;
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
index 994513189b..5adb8ef1f6 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -65,6 +65,7 @@ DRI_CONF_BEGIN
 	    DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects")
 	 DRI_CONF_DESC_END
       DRI_CONF_OPT_END
+      DRI_CONF_MESA_NO_ERROR("false")
    DRI_CONF_SECTION_END
 
    DRI_CONF_SECTION_QUALITY