Are there any tests for this?
--Jason
On Mon, Aug 27, 2018 at 1:54 AM wrote:
> From: Kevin Rogovin
>
> 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
> ---
> 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.
> GL_EXT_vertex_attrib_64bit on i965, nvc0, radeonsi.
> GL_EXT_window_rectangles on radeonsi.
> GL_KHR_texture_compression_astc_sliced_3d on radeonsi.
> +GL_INTEL_fragment_shader_ordering on i965.
> GL_NV_fragment_shader_interlock on i965.
>
>
> 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
> , 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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