diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.c | 19 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 4 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index 88685cd8b6a..0d3af2cfb3d 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -658,6 +658,24 @@ brw_process_driconf_options(struct brw_context *brw) driQueryOptionb(options, "allow_glsl_extension_directive_midshader"); } +static int +brw_get_revision(int fd) +{ + struct drm_i915_getparam gp; + int revision; + int ret; + + memset(&gp, 0, sizeof(gp)); + gp.param = I915_PARAM_REVISION; + gp.value = &revision; + + ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp)); + if (ret) + revision = -1; + + return revision; +} + GLboolean brwCreateContext(gl_api api, const struct gl_config *mesaVis, @@ -716,6 +734,7 @@ brwCreateContext(gl_api api, brw->has_negative_rhw_bug = devinfo->has_negative_rhw_bug; brw->needs_unlit_centroid_workaround = devinfo->needs_unlit_centroid_workaround; + brw->revision = brw_get_revision(sPriv->fd); brw->must_use_separate_stencil = screen->hw_must_use_separate_stencil; brw->has_swizzling = screen->hw_has_swizzling; diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index 8b29e2ab4c8..e025011e2ae 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -1076,6 +1076,10 @@ struct brw_context int gen; int gt; + /* GT revision. This will be -1 if the revision couldn't be determined (eg, + * if the kernel doesn't support the query). + */ + int revision; bool is_g4x; bool is_baytrail; |