panfrost: Free NIR of blit shaders

After we compile from NIR to a native binary, we can throw away the NIR.

17.47KB leaked over 104 calls from:
    0xffff87dcafc3
      in ??
    _mesa_hash_table_init
      at ../src/util/hash_table.c:163
      in /home/alyssa/rockchip_dri.so
    _mesa_hash_table_create
      at ../src/util/hash_table.c:186
    nir_lower_vars_to_ssa_impl
      at ../src/compiler/nir/nir_lower_vars_to_ssa.c:717
      in /home/alyssa/rockchip_dri.so
    nir_lower_vars_to_ssa
      at ../src/compiler/nir/nir_lower_vars_to_ssa.c:817
    optimise_nir
      at ../src/panfrost/midgard/midgard_compile.c:504
      in /home/alyssa/rockchip_dri.so
    midgard_compile_shader_nir
      at ../src/panfrost/midgard/midgard_compile.c:2895
      in /home/alyssa/rockchip_dri.so
    panfrost_build_blit_shader
      at ../src/panfrost/lib/pan_blit.c:103
      in /home/alyssa/rockchip_dri.so

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Cc: mesa-stable
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6373>

diff --git a/src/panfrost/lib/pan_blit.c b/src/panfrost/lib/pan_blit.c
index 6002278d4913e46dde3935d0f914cfcc409e6f17..deec17ba720b785a148d4444c8bee2e2bc155044 100644 (file)
--- a/src/panfrost/lib/pan_blit.c
+++ b/src/panfrost/lib/pan_blit.c
@@ -101,6 +101,7 @@ panfrost_build_blit_shader(panfrost_program *program, unsigned gpu_id, gl_frag_r
                 nir_store_var(b, c_out, nir_channel(b, &tex->dest.ssa, 0), 0xFF);
 
         midgard_compile_shader_nir(shader, program, false, 0, gpu_id, false, true);
+        ralloc_free(shader);
 }
 
 /* Compile and upload all possible blit shaders ahead-of-time to reduce draw