opencl: rename backend opencl2 -> opencl

Author: lhez

ggml/include/ggml-opencl2.h renamed to ggml/include/ggml-opencl.h

@@ -303,13 +303,6 @@ else ()
     ggml_add_cpu_backend_variant_impl("")
 endif()
 
-if (GGML_OPENCL)
-    set(GGML_OPENCL2 ON)
-    add_compile_definitions(GGML_USE_OPENCL)
-else ()
-    set(GGML_OPENCL2 OFF)
-endif ()
-
 ggml_add_backend(BLAS)
 ggml_add_backend(CANN)
 ggml_add_backend(CUDA)
@@ -320,7 +313,7 @@ ggml_add_backend(MUSA)
 ggml_add_backend(RPC)
 ggml_add_backend(SYCL)
 ggml_add_backend(Vulkan)
-ggml_add_backend(OpenCL2)
+ggml_add_backend(OpenCL)
 
 foreach (target ggml-base ggml)
     target_include_directories(${target} PUBLIC    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include> $<INSTALL_INTERFACE:include>)

ggml/src/CMakeLists.txt

@@ -46,8 +46,8 @@
 #include "ggml-vulkan.h"
 #endif
 
-#ifdef GGML_USE_OPENCL2
-#include "ggml-opencl2.h"
+#ifdef GGML_USE_OPENCL
+#include "ggml-opencl.h"
 #endif
 
 #ifdef GGML_USE_BLAS
@@ -150,7 +150,7 @@ struct ggml_backend_registry {
 #ifdef GGML_USE_VULKAN
         register_backend(ggml_backend_vk_reg());
 #endif
-#ifdef GGML_USE_OPENCL2
+#ifdef GGML_USE_OPENCL
         register_backend(ggml_backend_opencl2_reg());
 #endif
 #ifdef GGML_USE_CANN
@@ -545,6 +545,7 @@ void ggml_backend_load_all_from_path(const char * dir_path) {
     ggml_backend_load_best("rpc", silent, dir_path);
     ggml_backend_load_best("sycl", silent, dir_path);
     ggml_backend_load_best("vulkan", silent, dir_path);
+    ggml_backend_load_best("opencl", silent, dir_path);
     ggml_backend_load_best("musa", silent, dir_path);
     ggml_backend_load_best("cpu", silent, dir_path);
 }

ggml/src/ggml-backend-reg.cpp

@@ -4,21 +4,14 @@ find_package(OpenCL)
 if (OpenCL_FOUND)
     find_package(Python3 REQUIRED)
 
-    set(TARGET_NAME ggml-opencl2)
+    set(TARGET_NAME ggml-opencl)
 
     ggml_add_backend_library(${TARGET_NAME}
-                ggml-opencl2.cpp
-                ../../include/ggml-opencl2.h)
+                ggml-opencl.cpp
+                ../../include/ggml-opencl.h)
     target_link_libraries(${TARGET_NAME} PRIVATE ggml-base ${OpenCL_LIBRARIES})
     target_include_directories(${TARGET_NAME} PRIVATE . .. ${OpenCL_INCLUDE_DIRS})
 
-    # TODO - this is kind of strange. We have been calling this backend OpenCL2,
-    # so everything (function names, folder name, etc) except macro switches
-    # has been OpenCL2. Now, the backend frameworke enforces the use of the folder
-    # name as the backend name and switch. So, GGML_USE_OPENCL2 is used in
-    # ggml-backend-reg.cpp, but the rest still uses GGML_USE_OPENCL.
-    add_compile_definitions(GGML_USE_OPENCL)
-
     if (GGML_OPENCL_PROFILING)
         message(STATUS "OpenCL profiling enabled (increases CPU overhead)")
         add_compile_definitions(GGML_OPENCL_PROFILING)

ggml/src/ggml-opencl2/CMakeLists.txt renamed to ggml/src/ggml-opencl/CMakeLists.txt

@@ -7,7 +7,7 @@
 #pragma GCC diagnostic ignored "-Wgnu-anonymous-struct"
 #pragma GCC diagnostic ignored "-Woverlength-strings"
 
-#include "ggml-opencl2.h"
+#include "ggml-opencl.h"
 #include "ggml-backend.h"
 #include "ggml-impl.h"
 #include "ggml-backend-impl.h"