On Tue, May 23, 2017 at 3:00 PM, Lyude <[email protected]> wrote:
> Signed-off-by: Lyude <[email protected]>
> ---
> src/mesa/state_tracker/st_extensions.c | 1 +
> src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 6 +++++-
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/state_tracker/st_extensions.c
> b/src/mesa/state_tracker/st_extensions.c
> index f3db702..7674156 100644
> --- a/src/mesa/state_tracker/st_extensions.c
> +++ b/src/mesa/state_tracker/st_extensions.c
> @@ -600,6 +600,7 @@ void st_init_extensions(struct pipe_screen *screen,
> { o(ARB_occlusion_query2), PIPE_CAP_OCCLUSION_QUERY
> },
> { o(ARB_pipeline_statistics_query),
> PIPE_CAP_QUERY_PIPELINE_STATISTICS },
> { o(ARB_point_sprite), PIPE_CAP_POINT_SPRITE
> },
> + { o(ARB_post_depth_coverage), PIPE_CAP_POST_DEPTH_COVERAGE
> },
> { o(ARB_query_buffer_object), PIPE_CAP_QUERY_BUFFER_OBJECT
> },
> { o(ARB_robust_buffer_access_behavior),
> PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR },
> { o(ARB_sample_shading), PIPE_CAP_SAMPLE_SHADING
> },
> diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
> b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
> index 76cd4dc..e038206 100644
> --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
> +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
> @@ -6376,9 +6376,13 @@ st_translate_program(
> }
>
> if (procType == PIPE_SHADER_FRAGMENT) {
> - if (program->shader->Program->info.fs.early_fragment_tests)
> + if (program->shader->Program->info.fs.early_fragment_tests) {
> ureg_property(ureg, TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL, 1);
>
> + if (program->shader->Program->info.fs.post_depth_coverage)
> + ureg_property(ureg, TGSI_PROPERTY_FS_POST_DEPTH_COVERAGE, 1);
From the spec,
"Use of this feature implicitly enables early fragment tests."
However I see nothing that would force early_fragment_tests to be
enabled when post_depth_coverage is enabled.
> + }
> +
> if (proginfo->info.inputs_read & VARYING_BIT_POS) {
> /* Must do this after setting up t->inputs. */
> emit_wpos(st_context(ctx), t, proginfo, ureg,
> --
> 2.9.4
>
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