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gallium: add PIPE_CAP_TGSI_ATOMFADD to indicate support

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ATOMFADD is a little special -- make drivers have to specify it
explicitly.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Ilia Mirkin
2018-12-05 00:21:34 -05:00
parent 5574414edc
commit d139231b32
3 changed files with 4 additions and 0 deletions
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1
src/gallium/auxiliary/util/u_screen.c
View File

@@ -311,6 +311,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS: case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS: case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS:
case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS: case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS:
case PIPE_CAP_TGSI_ATOMFADD:
return 0; return 0;
case PIPE_CAP_MAX_GS_INVOCATIONS: case PIPE_CAP_MAX_GS_INVOCATIONS:

2
src/gallium/docs/source/screen.rst
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@@ -480,6 +480,8 @@ subpixel precision bias in bits during conservative rasterization.
* ``PIPE_CAP_SURFACE_SAMPLE_COUNT_TEXTURE``: Whether the driver * ``PIPE_CAP_SURFACE_SAMPLE_COUNT_TEXTURE``: Whether the driver
supports pipe_surface overrides of resource nr_samples. If set, will supports pipe_surface overrides of resource nr_samples. If set, will
enable EXT_multisampled_render_to_texture. enable EXT_multisampled_render_to_texture.
* ``PIPE_CAP_TGSI_ATOMFADD``: Atomic floating point adds are supported on
images, buffers, and shared memory.
.. _pipe_capf: .. _pipe_capf:

1
src/gallium/include/pipe/p_defines.h
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@@ -833,6 +833,7 @@ enum pipe_cap
PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET, PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET,
PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET, PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET,
PIPE_CAP_SURFACE_SAMPLE_COUNT, PIPE_CAP_SURFACE_SAMPLE_COUNT,
PIPE_CAP_TGSI_ATOMFADD,
}; };
/** /**