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zink: set conformant ubo/ssbo size limits

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these caps correspond to descriptor binding limits provided by vulkan drivers

fixes KHR-GL46.shader_storage_buffer_object.basic-max

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9174>
This commit is contained in:
Mike Blumenkrantz
2021-02-21 12:04:20 -05:00
committed by Marge Bot
parent f1f75fda9c
commit 4d0d678c9f
1 changed files with 8 additions and 2 deletions
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10
src/gallium/drivers/zink/zink_screen.c
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@@ -430,7 +430,10 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return 0;
case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
return 65536;
/* 16777216 (1<<24) is required by GL spec, 1<<27 is required by VK spec */
assert(screen->info.props.limits.maxStorageBufferRange >= 1 << 27);
/* but Gallium can't handle values that are too big, so clamp to VK spec minimum */
return 1 << 27;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
@@ -596,7 +599,10 @@ zink_get_shader_param(struct pipe_screen *pscreen,
}
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return 65536;
/* 16384 required by GL spec, this is the minimum required by VK spec */
assert(screen->info.props.limits.maxUniformBufferRange >= 16384);
/* but Gallium can't handle values that are too big */
return MIN2(screen->info.props.limits.maxUniformBufferRange, 1 << 31);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return MIN2(screen->info.props.limits.maxPerStageDescriptorUniformBuffers,