i965: Prepare image validation for isl based miptrees

Reviewed-by: Jason Ekstrand <[email protected]>
Signed-off-by: Topi Pohjolainen <[email protected]>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 0fdf7117af8..d589a591042 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1090,6 +1090,21 @@ intel_miptree_match_image(struct intel_mipmap_tree *mt,
    if (mt->target == GL_TEXTURE_CUBE_MAP)
       depth = 6;
 
+   if (mt->surf.size > 0) {
+      if (level >= mt->surf.levels)
+         return false;
+
+      const unsigned level_depth =
+         mt->surf.dim == ISL_SURF_DIM_3D ?
+            minify(mt->surf.logical_level0_px.depth, level) :
+            mt->surf.logical_level0_px.array_len;
+
+      return width == minify(mt->surf.logical_level0_px.width, level) &&
+             height == minify(mt->surf.logical_level0_px.height, level) &&
+             depth == level_depth &&
+             MAX2(image->NumSamples, 1) == mt->surf.samples;
+   }
+
    int level_depth = mt->level[level].depth;
    if (mt->num_samples > 1) {
       switch (mt->msaa_layout) {