From: Kevin Rogovin <kevin.rogo...@intel.com>
Adds suppport for INTEL_fragment_shader_ordering. We achieve
the fragment ordering by using the same instruction as for
beginInvocationInterlockARB() which is by issuing a memory
fence via sendc.
Signed-off-by: Kevin Rogovin <kevin.rogo...@intel.com>
---
docs/relnotes/18.3.0.html | 1 +
src/intel/compiler/brw_fs_nir.cpp | 1 +
src/mesa/drivers/dri/i965/intel_extensions.c | 1 +
3 files changed, 3 insertions(+)
diff --git a/docs/relnotes/18.3.0.html b/docs/relnotes/18.3.0.html
index afcb044817..71fb41ca86 100644
--- a/docs/relnotes/18.3.0.html
+++ b/docs/relnotes/18.3.0.html
@@ -59,6 +59,7 @@ Note: some of the new features are only available with
certain drivers.
<li>GL_EXT_vertex_attrib_64bit on i965, nvc0, radeonsi.</li>
<li>GL_EXT_window_rectangles on radeonsi.</li>
<li>GL_KHR_texture_compression_astc_sliced_3d on radeonsi.</li>
+<li>GL_INTEL_fragment_shader_ordering on i965.</li>
<li>GL_NV_fragment_shader_interlock on i965.</li>
</ul>
diff --git a/src/intel/compiler/brw_fs_nir.cpp
b/src/intel/compiler/brw_fs_nir.cpp
index 9c9df5ac09..62bff2a323 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -4836,6 +4836,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld,
nir_intrinsic_instr *instr
break;
}
+ case nir_intrinsic_begin_fragment_shader_ordering:
case nir_intrinsic_begin_invocation_interlock: {
const fs_builder ubld = bld.group(8, 0);
const fs_reg tmp = ubld.vgrf(BRW_REGISTER_TYPE_UD, 2);
diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c
b/src/mesa/drivers/dri/i965/intel_extensions.c
index 0b137664b0..1ea8594c34 100644
--- a/src/mesa/drivers/dri/i965/intel_extensions.c
+++ b/src/mesa/drivers/dri/i965/intel_extensions.c
@@ -247,6 +247,7 @@ intelInitExtensions(struct gl_context *ctx)
ctx->Extensions.OES_primitive_bounding_box = true;
ctx->Extensions.OES_texture_buffer = true;
ctx->Extensions.ARB_fragment_shader_interlock = true;
+ ctx->Extensions.INTEL_fragment_shader_ordering = true;
if (can_do_pipelined_register_writes(brw->screen)) {
ctx->Extensions.ARB_draw_indirect = true;
--
2.17.1
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