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authorKenneth Graunke <[email protected]>2019-04-24 13:17:54 -0700
committerKenneth Graunke <[email protected]>2019-05-23 08:13:09 -0700
commitcca8af0c7d56890d070f7fd60acc169f641e0051 (patch)
treed9f9195c275c8982c21a7453e0bff5a271ecb7c0
parent87f42861372cdb3f82ba36b13467b157d8328ef5 (diff)
gallium: Add PIPE_CAP_FBFETCH_COHERENT and expose extensions
st/mesa now exposes KHR_blend_equation_advanced_coherent and EXT_shader_framebuffer_fetch if the new capability is supported. Reviewed-by: Marek Olšák <[email protected]>
-rw-r--r--src/gallium/auxiliary/util/u_screen.c1
-rw-r--r--src/gallium/docs/source/screen.rst2
-rw-r--r--src/gallium/include/pipe/p_defines.h1
-rw-r--r--src/mesa/state_tracker/st_extensions.c4
4 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_screen.c b/src/gallium/auxiliary/util/u_screen.c
index 05ac9be9451..6457bcffda1 100644
--- a/src/gallium/auxiliary/util/u_screen.c
+++ b/src/gallium/auxiliary/util/u_screen.c
@@ -271,6 +271,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
return 0;
case PIPE_CAP_FBFETCH:
+ case PIPE_CAP_FBFETCH_COHERENT:
case PIPE_CAP_TGSI_MUL_ZERO_WINS:
case PIPE_CAP_DOUBLES:
case PIPE_CAP_INT64:
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 054939f6887..70810418f8a 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -382,6 +382,8 @@ The integer capabilities:
current framebuffer can be read in the shader. 0 means framebuffer fetch
is not supported. 1 means that only the first render target can be read,
and a larger value would mean that multiple render targets are supported.
+* ``PIPE_CAP_FBFETCH_COHERENT``: Whether framebuffer fetches from the fragment
+ shader can be guaranteed to be coherent with framebuffer writes.
* ``PIPE_CAP_TGSI_MUL_ZERO_WINS``: Whether TGSI shaders support the
``TGSI_PROPERTY_MUL_ZERO_WINS`` shader property.
* ``PIPE_CAP_DOUBLES``: Whether double precision floating-point operations
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 6232547850f..d3c951279d9 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -884,6 +884,7 @@ enum pipe_cap
PIPE_CAP_DMABUF,
PIPE_CAP_PREFER_COMPUTE_BLIT_FOR_MULTIMEDIA,
PIPE_CAP_FRAGMENT_SHADER_INTERLOCK,
+ PIPE_CAP_FBFETCH_COHERENT,
};
/**
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index f442c08293b..3d5b0fa5836 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -1395,13 +1395,17 @@ void st_init_extensions(struct pipe_screen *screen,
}
unsigned max_fb_fetch_rts = screen->get_param(screen, PIPE_CAP_FBFETCH);
+ bool coherent_fb_fetch =
+ screen->get_param(screen, PIPE_CAP_FBFETCH_COHERENT);
if (max_fb_fetch_rts > 0) {
extensions->KHR_blend_equation_advanced = true;
+ extensions->KHR_blend_equation_advanced_coherent = coherent_fb_fetch;
if (max_fb_fetch_rts >=
screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS)) {
extensions->EXT_shader_framebuffer_fetch_non_coherent = true;
+ extensions->EXT_shader_framebuffer_fetch = coherent_fb_fetch;
}
}