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zink: clamp max buffer sizes to smallest buffer heap size

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the max driver limit for these is irrelevant if there isn't enough memory
to allocate a buffer of that size

KHR-GL46.texture_buffer.texture_buffer_max_size

cc: mesa-stable

fixes #5568

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13584>
This commit is contained in:
Mike Blumenkrantz 2021-10-28 09:49:03 -04:00 • committed by Marge Bot
parent fd2b47281f
commit ccfe36fffa
1 changed files with 22 additions and 3 deletions
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25
src/gallium/drivers/zink/zink_screen.c
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@ -279,6 +279,23 @@ zink_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
}
}
static uint32_t
get_smallest_buffer_heap(struct zink_screen *screen)
{
enum zink_heap heaps[] = {
ZINK_HEAP_DEVICE_LOCAL,
ZINK_HEAP_DEVICE_LOCAL_VISIBLE,
ZINK_HEAP_HOST_VISIBLE_COHERENT,
ZINK_HEAP_HOST_VISIBLE_COHERENT
};
unsigned size = UINT32_MAX;
for (unsigned i = 0; i < ARRAY_SIZE(heaps); i++) {
unsigned heap_idx = screen->info.mem_props.memoryTypes[screen->heap_map[i]].heapIndex;
size = MIN2(screen->info.mem_props.memoryHeaps[heap_idx].size, size);
}
return size;
}
static int
zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
{
@ -525,7 +542,8 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return 1;
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
return screen->info.props.limits.maxTexelBufferElements;
return MIN2(get_smallest_buffer_heap(screen),
screen->info.props.limits.maxTexelBufferElements);
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_NATIVE; /* unsure */
@ -620,7 +638,7 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
/* 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;
return MIN2(get_smallest_buffer_heap(screen), 1 << 27);
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
@ -800,7 +818,8 @@ zink_get_shader_param(struct pipe_screen *pscreen,
/* At least 16384 is guaranteed 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);
return MIN3(get_smallest_buffer_heap(screen),
screen->info.props.limits.maxUniformBufferRange, 1 << 31);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return MIN2(screen->info.props.limits.maxPerStageDescriptorUniformBuffers,