[Mesa-dev] [PATCH 6/7] i965: Implement nir_intrinsic_shader_clock

[Emil Velikov]

Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
---
 src/mesa/drivers/dri/i965/brw_fs_nir.cpp   |  9 +++++++++
 src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 10 ++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 792663f..0a28b05 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -1309,6 +1309,15 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr
       break;
    }
 
+   case nir_intrinsic_shader_clock: {
+      /* We cannot do anything if there is an event, so ignore it for now */
+      fs_reg shader_clock = get_timestamp(bld);
+
+      bld.MOV(retype(dest, brw_type_for_base_type(glsl_type::uvec2_type)),
+              shader_clock);
+      break;
+   }
+
    case nir_intrinsic_image_size: {
       /* Get the referenced image variable and type. */
       const nir_variable *var = instr->variables[0]->var;
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index ea1e3e7..36ec7ad 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -806,6 +806,16 @@ vec4_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr)
       break;
    }
 
+   case nir_intrinsic_shader_clock: {
+      /* We cannot do anything if there is an event, so ignore it for now */
+      src_reg shader_clock = get_timestamp();
+      enum brw_reg_type type = brw_type_for_base_type(glsl_type::uvec2_type);
+
+      dest = get_nir_dest(instr->dest, type);
+      emit(MOV(dest, retype(shader_clock, type)));
+      break;
+   }
+
    default:
       unreachable("Unknown intrinsic");
    }
-- 
2.6.1