Mesa (master): gallium: add PIPE_CAP_SYSTEM_SVM
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Wed Apr 15 11:34:45 UTC 2020
Module: Mesa
Branch: master
Commit: e738967d6e4cfe25d4c14dd3211b27ddb67ed8cb
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e738967d6e4cfe25d4c14dd3211b27ddb67ed8cb
Author: Karol Herbst <kherbst at redhat.com>
Date: Fri Dec 14 00:33:04 2018 +0100
gallium: add PIPE_CAP_SYSTEM_SVM
v2: split enum in specific caps to abstract the CL enum
v3: remove BUFFER_SVM caps
Signed-off-by: Karol Herbst <kherbst at redhat.com>
Reviewed-by: Francisco Jerez <currojerez at riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2076>
---
src/gallium/auxiliary/util/u_screen.c | 3 +++
src/gallium/docs/source/screen.rst | 1 +
src/gallium/include/pipe/p_defines.h | 1 +
3 files changed, 5 insertions(+)
diff --git a/src/gallium/auxiliary/util/u_screen.c b/src/gallium/auxiliary/util/u_screen.c
index c6795ac260e..98418b32e09 100644
--- a/src/gallium/auxiliary/util/u_screen.c
+++ b/src/gallium/auxiliary/util/u_screen.c
@@ -426,6 +426,9 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
case PIPE_CAP_GL_BEGIN_END_BUFFER_SIZE:
return 512 * 1024;
+ case PIPE_CAP_SYSTEM_SVM:
+ return 0;
+
default:
unreachable("bad PIPE_CAP_*");
}
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 520563a6a33..567e76cfd80 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -574,6 +574,7 @@ The integer capabilities:
* ``PIPE_CAP_DRAW_INFO_START_WITH_USER_INDICES``: pipe_draw_info::start can be non-zero with user indices.
* ``PIPE_CAP_GL_BEGIN_END_BUFFER_SIZE``: Buffer size used to upload vertices for glBegin/glEnd.
* ``PIPE_CAP_VIEWPORT_SWIZZLE``: Whether pipe_viewport_state::swizzle can be used to specify pre-clipping swizzling of coordinates (see GL_NV_viewport_swizzle).
+* ``PIPE_CAP_SYSTEM_SVM``: True if all application memory can be shared with the GPU without explicit mapping.
.. _pipe_capf:
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 5fb6fcf3ebd..477e12175ae 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -935,6 +935,7 @@ enum pipe_cap
PIPE_CAP_DRAW_INFO_START_WITH_USER_INDICES,
PIPE_CAP_GL_BEGIN_END_BUFFER_SIZE,
PIPE_CAP_VIEWPORT_SWIZZLE,
+ PIPE_CAP_SYSTEM_SVM,
};
/**
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