Rename SHA1 words to BLAKE3

Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40383>

src/asahi/lib/agx_device.c

@@ -892,7 +892,7 @@ agx_get_device_uuid(const struct agx_device *dev, void *uuid)
 
    /* The device UUID uniquely identifies the given device within the machine.
     * Since we never have more than one device, this doesn't need to be a real
-    * UUID, so we use SHA1("agx" + gpu_generation + gpu_variant + gpu_revision).
+    * UUID, so we use BLAKE3("agx" + gpu_generation + gpu_variant + gpu_revision).
     */
    static const char *device_name = "agx";
    _mesa_blake3_update(&blake3_ctx, device_name, strlen(device_name));

src/compiler/nir/nir_shader_compiler_options.h

@@ -875,7 +875,7 @@ typedef struct nir_shader_compiler_options {
     * outputs to inputs.
     *
     * Drivers can set the maximum cost based on the types of consecutive
-    * shaders or shader SHA1s.
+    * shaders or shader BLAKE3s.
     *
     * Drivers should also set "varying_estimate_instr_cost".
     */

src/freedreno/common/freedreno_uuid.c

@@ -47,7 +47,7 @@ fd_get_device_uuid(void *uuid, const struct fd_dev_id *id)
 
    /* The device UUID uniquely identifies the given device within the machine.
     * Since we never have more than one device, this doesn't need to be a real
-    * UUID, so we use SHA1("freedreno" + gpu_id).
+    * UUID, so we use BLAKE3("freedreno" + gpu_id).
     *
     * @TODO: Using the GPU id could be too restrictive on the off-chance that
     * someone would like to use this UUID to cache pre-tiled images or something

src/gallium/auxiliary/util/u_live_shader_cache.c

@@ -37,13 +37,13 @@
 
 static uint32_t key_hash(const void *key)
 {
-   /* Take the first dword of SHA1. */
+   /* Take the first dword of BLAKE3. */
    return *(uint32_t*)key;
 }
 
 static bool key_equals(const void *a, const void *b)
 {
-   /* Compare SHA1s. */
+   /* Compare BLAKE3s. */
    return memcmp(a, b, 20) == 0;
 }
 
@@ -97,7 +97,7 @@ util_live_shader_cache_get(struct pipe_context *ctx,
       return NULL;
    }
 
-   /* Compute SHA1 of pipe_shader_state. */
+   /* Compute BLAKE3 of pipe_shader_state. */
    blake3_hasher blake3_ctx;
    unsigned char blake3[BLAKE3_KEY_LEN];
    _mesa_blake3_init(&blake3_ctx);

src/gallium/drivers/crocus/crocus_context.h

@@ -308,7 +308,7 @@ struct crocus_uncompiled_shader {
 
    struct pipe_stream_output_info stream_output;
 
-   /* A SHA1 of the serialized NIR for the disk cache. */
+   /* A BLAKE3 of the serialized NIR for the disk cache. */
    unsigned char nir_sha1[BLAKE3_KEY_LEN];
 
    unsigned program_id;

src/gallium/drivers/iris/iris_context.h

@@ -545,7 +545,7 @@ struct iris_uncompiled_shader {
 
    struct pipe_stream_output_info stream_output;
 
-   /* A SHA1 of the serialized NIR for the disk cache. */
+   /* A BLAKE3 of the serialized NIR for the disk cache. */
    unsigned char nir_sha1[BLAKE3_KEY_LEN];
 
    /* Hash value based on shader source program */

src/gallium/drivers/panfrost/pan_context.h

@@ -396,7 +396,7 @@ struct panfrost_uncompiled_shader {
     */
    const nir_shader *nir;
 
-   /* A SHA1 of the serialized NIR for the disk cache. */
+   /* A BLAKE3 of the serialized NIR for the disk cache. */
    unsigned char nir_sha1[BLAKE3_KEY_LEN];
 
    /* Stream output information */

src/gallium/drivers/radeonsi/si_state_shaders.cpp

@@ -460,13 +460,13 @@ bool si_shader_cache_load_shader(struct si_screen *sscreen, unsigned char ir_bla
 
 static uint32_t si_shader_cache_key_hash(const void *key)
 {
-   /* Take the first dword of SHA1. */
+   /* Take the first dword of BLAKE3. */
    return *(uint32_t *)key;
 }
 
 static bool si_shader_cache_key_equals(const void *a, const void *b)
 {
-   /* Compare SHA1s. */
+   /* Compare BLAKE3s. */
    return memcmp(a, b, 20) == 0;
 }
 

src/mesa/main/shader_types.h

@@ -179,7 +179,7 @@ struct gl_shader
 
    enum gl_compile_status CompileStatus;
 
-   /** SHA1 of the pre-processed source used by the disk cache. */
+   /** BLAKE3 of the pre-processed source used by the disk cache. */
    uint8_t disk_cache_sha1[BLAKE3_KEY_LEN];
    /** BLAKE3 of the original source before replacement, set by glShaderSource. */
    blake3_hash source_blake3;
@@ -323,7 +323,7 @@ struct gl_shader_program_data
 {
    GLint RefCount;  /**< Reference count */
 
-   /** SHA1 hash of linked shader program */
+   /** BLAKE3 hash of linked shader program */
    unsigned char blake3[BLAKE3_KEY_LEN];
 
    unsigned NumUniformStorage;

src/vulkan/runtime/vk_pipeline.h

@@ -83,7 +83,7 @@ PRAGMA_DIAGNOSTIC_POP
 /** Hash VkPipelineShaderStageCreateInfo info
  *
  * Returns the hash of a VkPipelineShaderStageCreateInfo:
- *    SHA1(info->module->sha1,
+ *    BLAKE3(info->module->sha1,
  *         info->pName,
  *         vk_stage_to_mesa_stage(info->stage),
  *         info->pSpecializationInfo)

src/vulkan/runtime/vk_shader.c

@@ -357,7 +357,7 @@ vk_shader_serialize(struct vk_device *device,
       blake3_hasher blake3_ctx;
       _mesa_blake3_init(&blake3_ctx);
 
-      /* Hash the header with a zero SHA1 */
+      /* Hash the header with a zero BLAKE3 */
       _mesa_blake3_update(&blake3_ctx, &header, sizeof(header));
 
       /* Hash the serialized data */
@@ -430,7 +430,7 @@ vk_shader_deserialize(struct vk_device *device,
    blake3_hasher blake3_ctx;
    _mesa_blake3_init(&blake3_ctx);
 
-   /* Hash the header with a zero SHA1 */
+   /* Hash the header with a zero BLAKE3 */
    struct vk_shader_bin_header blake3_header = header;
    memset(blake3_header.blake3, 0, sizeof(blake3_header.blake3));
    _mesa_blake3_update(&blake3_ctx, &blake3_header, sizeof(blake3_header));
@@ -444,7 +444,7 @@ vk_shader_deserialize(struct vk_device *device,
       return vk_error(device, VK_ERROR_INCOMPATIBLE_SHADER_BINARY_EXT);
 
    /* We've now verified that the header matches and that the data has the
-    * right SHA1 hash so it's safe to call into the driver.
+    * right BLAKE3 hash so it's safe to call into the driver.
     */
    return ops->deserialize(device, &blob, header.version,
                            pAllocator, shader_out);