iris: fix source/destination layers for 3D blits
See commit ea32691257
for the
corresponding fix in anv.
Fixes Piglit's fbo-generatemipmap-3d.
Cc: mesa-stable
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7321>
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parent
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@ -487,15 +487,28 @@ iris_blit(struct pipe_context *ctx, const struct pipe_blit_info *info)
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else
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main_mask = PIPE_MASK_RGBA;
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float src_z_step = (float)info->src.box.depth / (float)info->dst.box.depth;
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/* There is no interpolation to the pixel center during rendering, so
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* add the 0.5 offset ourselves here.
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*/
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float depth_center_offset = 0;
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if (src_res->surf.dim == ISL_SURF_DIM_3D)
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depth_center_offset = 0.5 / info->dst.box.depth * info->src.box.depth;
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if (info->mask & main_mask) {
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for (int slice = 0; slice < info->dst.box.depth; slice++) {
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unsigned dst_z = info->dst.box.z + slice;
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float src_z = info->src.box.z + slice * src_z_step +
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depth_center_offset;
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iris_batch_maybe_flush(batch, 1500);
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iris_batch_sync_region_start(batch);
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blorp_blit(&blorp_batch,
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&src_surf, info->src.level, info->src.box.z + slice,
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&src_surf, info->src.level, src_z,
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src_fmt.fmt, src_fmt.swizzle,
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&dst_surf, info->dst.level, info->dst.box.z + slice,
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&dst_surf, info->dst.level, dst_z,
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dst_fmt.fmt, dst_fmt.swizzle,
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src_x0, src_y0, src_x1, src_y1,
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dst_x0, dst_y0, dst_x1, dst_y1,
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