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authorNanley Chery <[email protected]>2016-11-02 16:18:44 -0700
committerNanley Chery <[email protected]>2016-11-03 11:22:58 -0700
commit1625d911d7368a9a96411012c69512074a3ff506 (patch)
tree60e0d82df5870145bbe9b92ba59e04689b0eb493 /src/intel
parentbb550e297774bd1fdd274a98738e6353d1cda73e (diff)
anv/blorp: Don't create linear ASTC surfaces for buffers
Such a surface is not possible on our hardware. Without this change, ISL surface creation would fail with the next patch. Signed-off-by: Nanley Chery <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/intel')
-rw-r--r--src/intel/vulkan/anv_blorp.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c
index 87f242cb258..0feb5d5567a 100644
--- a/src/intel/vulkan/anv_blorp.c
+++ b/src/intel/vulkan/anv_blorp.c
@@ -126,6 +126,22 @@ get_blorp_surf_for_anv_buffer(struct anv_device *device,
struct blorp_surf *blorp_surf,
struct isl_surf *isl_surf)
{
+ const struct isl_format_layout *fmtl =
+ isl_format_get_layout(format);
+
+ /* ASTC is the only format which doesn't support linear layouts.
+ * Create an equivalently sized surface with ISL to get around this.
+ */
+ if (fmtl->txc == ISL_TXC_ASTC) {
+ /* Use an equivalently sized format */
+ format = ISL_FORMAT_R32G32B32A32_UINT;
+ assert(fmtl->bpb == isl_format_get_layout(format)->bpb);
+
+ /* Shrink the dimensions for the new format */
+ width = DIV_ROUND_UP(width, fmtl->bw);
+ height = DIV_ROUND_UP(height, fmtl->bh);
+ }
+
*blorp_surf = (struct blorp_surf) {
.surf = isl_surf,
.addr = {