gallium: Add a PIPE_CAP_FRAGMENT_SHADER_INTERLOCK.
Corresponding to GL_ARB_fragment_shader_interlock and
GL_NV_fragment_shader_interlock. Currently, only the NIR paths
support this functionality, but someone could conceivably add it
to TGSI too.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 1cf89ee..c678ac9 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -522,6 +522,8 @@
resource_from_handle and resource_get_handle.
* ``PIPE_CAP_PREFER_COMPUTE_BLIT_FOR_MULTIMEDIA``: Whether VDPAU, VAAPI, and
OpenMAX should use a compute-based blit instead of pipe_context::blit.
+* ``PIPE_CAP_FRAGMENT_SHADER_INTERLOCK``: True if fragment shader interlock
+ functionality is supported.
.. _pipe_capf:
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index ed7c81b..6041a00 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -883,6 +883,7 @@
PIPE_CAP_MAX_FRAMES_IN_FLIGHT,
PIPE_CAP_DMABUF,
PIPE_CAP_PREFER_COMPUTE_BLIT_FOR_MULTIMEDIA,
+ PIPE_CAP_FRAGMENT_SHADER_INTERLOCK,
};
/**
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 86b6854..ae0edc5 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -745,6 +745,7 @@
{ o(ARB_transform_feedback2), PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME },
{ o(ARB_transform_feedback3), PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS },
{ o(ARB_transform_feedback_overflow_query), PIPE_CAP_QUERY_SO_OVERFLOW },
+ { o(ARB_fragment_shader_interlock), PIPE_CAP_FRAGMENT_SHADER_INTERLOCK },
{ o(KHR_blend_equation_advanced), PIPE_CAP_TGSI_FS_FBFETCH },