Mesa (master): i965: Store the command parser version number in intel_screen
Neil Roberts
nroberts at kemper.freedesktop.org
Tue May 12 10:26:58 UTC 2015
Module: Mesa
Branch: master
Commit: 8a59f2f26fb7bb036ad524cdec668716664d2a82
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8a59f2f26fb7bb036ad524cdec668716664d2a82
Author: Neil Roberts <neil at linux.intel.com>
Date: Fri Nov 7 18:20:17 2014 +0000
i965: Store the command parser version number in intel_screen
In order to detect whether the predicate source registers can be used
in a later patch we will need to know the version number for the
command parser. This patch just adds a member to intel_screen and does
an ioctl to get the version.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/drivers/dri/i965/intel_screen.c | 7 +++++++
src/mesa/drivers/dri/i965/intel_screen.h | 8 +++++++-
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
index dda1638..896a125 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -1407,6 +1407,13 @@ __DRIconfig **intelInitScreen2(__DRIscreen *psp)
(ret != -1 || errno != EINVAL);
}
+ struct drm_i915_getparam getparam;
+ getparam.param = I915_PARAM_CMD_PARSER_VERSION;
+ getparam.value = &intelScreen->cmd_parser_version;
+ const int ret = drmIoctl(psp->fd, DRM_IOCTL_I915_GETPARAM, &getparam);
+ if (ret == -1)
+ intelScreen->cmd_parser_version = 0;
+
psp->extensions = !intelScreen->has_context_reset_notification
? intelScreenExtensions : intelRobustScreenExtensions;
diff --git a/src/mesa/drivers/dri/i965/intel_screen.h b/src/mesa/drivers/dri/i965/intel_screen.h
index e7a1490..742b3d3 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.h
+++ b/src/mesa/drivers/dri/i965/intel_screen.h
@@ -72,7 +72,13 @@ struct intel_screen
* Configuration cache with default values for all contexts
*/
driOptionCache optionCache;
-};
+
+ /**
+ * Version of the command parser reported by the
+ * I915_PARAM_CMD_PARSER_VERSION parameter
+ */
+ int cmd_parser_version;
+ };
extern void intelDestroyContext(__DRIcontext * driContextPriv);
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