From 94b656cb5e82381b18be59a839a68eda1ede35e4 Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Fri, 11 Aug 2017 15:13:38 +1000 Subject: glsl: stop adding pointers from shader_info to the cache This is so we always create reproducible cache entries. Consistency is required for verification of any third party distributed shaders. Reviewed-by: Samuel Pitoiset (cherry picked from commit a6618afd2740f997cc23bd75de712af6452589a7) --- src/compiler/glsl/shader_cache.cpp | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) (limited to 'src/compiler/glsl/shader_cache.cpp') diff --git a/src/compiler/glsl/shader_cache.cpp b/src/compiler/glsl/shader_cache.cpp index 0d4a9e2df6e..9bf76184b69 100644 --- a/src/compiler/glsl/shader_cache.cpp +++ b/src/compiler/glsl/shader_cache.cpp @@ -1295,6 +1295,14 @@ create_binding_str(const char *key, unsigned value, void *closure) ralloc_asprintf_append(bindings_str, "%s:%u,", key, value); } +static void +get_shader_info_and_pointer_sizes(size_t *s_info_size, size_t *s_info_ptrs, + shader_info *info) +{ + *s_info_size = sizeof(shader_info); + *s_info_ptrs = sizeof(info->name) + sizeof(info->label); +} + static void create_linked_shader_and_program(struct gl_context *ctx, gl_shader_stage stage, @@ -1313,12 +1321,17 @@ create_linked_shader_and_program(struct gl_context *ctx, read_shader_metadata(metadata, glprog, linked); - /* Restore shader info */ - blob_copy_bytes(metadata, (uint8_t *) &glprog->info, sizeof(shader_info)); - glprog->info.name = ralloc_strdup(glprog, blob_read_string(metadata)); glprog->info.label = ralloc_strdup(glprog, blob_read_string(metadata)); + size_t s_info_size, s_info_ptrs; + get_shader_info_and_pointer_sizes(&s_info_size, &s_info_ptrs, + &glprog->info); + + /* Restore shader info */ + blob_copy_bytes(metadata, ((uint8_t *) &glprog->info) + s_info_ptrs, + s_info_size - s_info_ptrs); + _mesa_reference_shader_program_data(ctx, &glprog->sh.data, prog->data); _mesa_reference_program(ctx, &linked->Program, glprog); prog->_LinkedShaders[stage] = linked; @@ -1356,9 +1369,6 @@ shader_cache_write_program_metadata(struct gl_context *ctx, if (sh) { write_shader_metadata(metadata, sh); - /* Store nir shader info */ - blob_write_bytes(metadata, &sh->Program->info, sizeof(shader_info)); - if (sh->Program->info.name) blob_write_string(metadata, sh->Program->info.name); else @@ -1368,6 +1378,15 @@ shader_cache_write_program_metadata(struct gl_context *ctx, blob_write_string(metadata, sh->Program->info.label); else blob_write_string(metadata, ""); + + size_t s_info_size, s_info_ptrs; + get_shader_info_and_pointer_sizes(&s_info_size, &s_info_ptrs, + &sh->Program->info); + + /* Store shader info */ + blob_write_bytes(metadata, + ((char *) &sh->Program->info) + s_info_ptrs, + s_info_size - s_info_ptrs); } } -- cgit v1.2.3