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intel/blorp: Handle the 512 layers restriction on Sandy Bridge

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Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Jason Ekstrand
2016-09-12 11:46:22 -07:00
parent 48f195d7c6
commit 2519237c24
2 changed files with 19 additions and 4 deletions
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6
src/intel/blorp/blorp.c
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@@ -139,6 +139,12 @@ brw_blorp_surface_info_init(struct blorp_context *blorp,
info->view.array_len -= info->view.base_array_layer;
info->z_offset = 0;
}
/* Sandy Bridge has a limit of a maximum of 512 layers for layered
* rendering.
*/
if (is_render_target && blorp->isl_dev->info->gen == 6)
info->view.array_len = MIN2(info->view.array_len, 512);
}

11
src/intel/blorp/blorp_clear.c
View File

@@ -246,7 +246,6 @@ blorp_clear(struct blorp_batch *batch,
{
struct blorp_params params;
blorp_params_init(&params);
params.num_layers = num_layers;
params.x0 = x0;
params.y0 = y0;
@@ -278,10 +277,20 @@ blorp_clear(struct blorp_batch *batch,
blorp_params_get_clear_kernel(batch->blorp, &params,
use_simd16_replicated_data);
while (num_layers > 0) {
brw_blorp_surface_info_init(batch->blorp, &params.dst, surf, level,
start_layer, format, true);
/* We may be restricted on the number of layers we can bind at any one
* time. In particular, Sandy Bridge has a maximum number of layers of
* 512 but a maximum 3D texture size is much larger.
*/
params.num_layers = MIN2(params.dst.view.array_len, num_layers);
batch->blorp->exec(batch, &params);
start_layer += params.num_layers;
num_layers -= params.num_layers;
}
}
void