https://gitlab.freedesktop.org/mesa/mesa/-/commit/7ebf7f49a052c75f49496e31f7
修复3A5000/3A6000 下， 窗体不能拖动，固定在左上角的问题。


--- a/src/gallium/drivers/llvmpipe/lp_texture_handle.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture_handle.c
@@ -901,8 +901,6 @@
 
    simple_mtx_lock(&matrix->lock);
 
-   matrix->jit_sample_functions[sample_key] = compile_jit_sample_function(ctx, sample_key);
-
    for (uint32_t texture_index = 0; texture_index < matrix->texture_count; texture_index++) {
       struct lp_texture_functions *texture = matrix->textures[texture_index];
       if (!texture->sampled)