Fallback to CPU implementation for antialias implementation of upscale

Author: tdakhran

ggml/src/ggml-cann/ggml-cann.cpp

@@ -2500,6 +2500,9 @@ static bool ggml_backend_cann_supports_op(ggml_backend_dev_t dev, const ggml_ten
                 if (op->op_params[0] != GGML_SCALE_MODE_NEAREST) {
                     return false;
                 }
+                if (op->op_params[0] & GGML_SCALE_FLAG_ANTIALIAS) {
+                    return false;
+                }
                 return true;
             }
         case GGML_OP_POOL_2D:

ggml/src/ggml-metal/ggml-metal-device.m

@@ -894,7 +894,7 @@ bool ggml_metal_device_supports_op(ggml_metal_device_t dev, const struct ggml_te
         case GGML_OP_POOL_1D:
             return false;
         case GGML_OP_UPSCALE:
-            return op->src[0]->type == GGML_TYPE_F32 && op->op_params[0] == GGML_SCALE_MODE_NEAREST;
+            return op->src[0]->type == GGML_TYPE_F32 && op->op_params[0] == GGML_SCALE_MODE_NEAREST && !(op->op_params[0] & GGML_SCALE_FLAG_ANTIALIAS);
         case GGML_OP_POOL_2D:
             return op->src[0]->type == GGML_TYPE_F32;
         case GGML_OP_PAD:

ggml/src/ggml-opencl/ggml-opencl.cpp

@@ -3086,8 +3086,9 @@ static bool ggml_opencl_supports_op(ggml_backend_dev_t dev, const struct ggml_te
             return op->src[0]->type == GGML_TYPE_F32 && op->type == GGML_TYPE_F32;
         case GGML_OP_UPSCALE: {
             ggml_scale_mode mode = (ggml_scale_mode)(ggml_get_op_params_i32(op, 0) & 0xFF);
+            const bool antialias = (ggml_scale_mode)(ggml_get_op_params_i32(op, 0) & GGML_SCALE_FLAG_ANTIALIAS);
             return op->src[0]->type == GGML_TYPE_F32 && op->type == GGML_TYPE_F32 &&
-                   (mode == GGML_SCALE_MODE_NEAREST || mode == GGML_SCALE_MODE_BILINEAR);
+                   (mode == GGML_SCALE_MODE_NEAREST || mode == GGML_SCALE_MODE_BILINEAR) && !antialias;
         }
         case GGML_OP_CONV_2D:
             return (op->src[0]->type == GGML_TYPE_F16 && op->src[1]->type == GGML_TYPE_F16 && op->type == GGML_TYPE_F16) ||

ggml/src/ggml-sycl/ggml-sycl.cpp

@@ -4597,7 +4597,7 @@ static bool ggml_backend_sycl_device_supports_op(ggml_backend_dev_t dev, const g
         case GGML_OP_IM2COL:
             return true;
         case GGML_OP_UPSCALE:
-            return op->src[0]->type == GGML_TYPE_F32 && op->op_params[0] == GGML_SCALE_MODE_NEAREST;
+            return op->src[0]->type == GGML_TYPE_F32 && op->op_params[0] == GGML_SCALE_MODE_NEAREST && !(op->op_params[0] & GGML_SCALE_FLAG_ANTIALIAS);
         case GGML_OP_SUM:
         case GGML_OP_SUM_ROWS:
         case GGML_OP_MEAN:

ggml/src/ggml-vulkan/ggml-vulkan.cpp

@@ -14113,6 +14113,7 @@ static bool ggml_backend_vk_device_supports_op(ggml_backend_dev_t dev, const ggm
             }
             return true;
         case GGML_OP_UPSCALE:
+            return op->src[0]->type == GGML_TYPE_F32 && !(op->op_params[0] & GGML_SCALE_FLAG_ANTIALIAS);
         case GGML_OP_ACC:
             return op->src[0]->type == GGML_TYPE_F32;
         case GGML_OP_CONCAT: