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Avoid CFFI for DataPointer conversions on C++

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This commit is contained in:
Joshua Granick
2018-11-15 13:28:07 -08:00
parent c49a90d451
commit 4e9de61186
1 changed files with 27 additions and 3 deletions
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30
src/lime/utils/DataPointer.hx
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@@ -6,11 +6,17 @@ import haxe.io.Bytes;
import lime.system.CFFIPointer; import lime.system.CFFIPointer;
import lime.utils.Bytes as LimeBytes; import lime.utils.Bytes as LimeBytes;
#if cpp
import cpp.Pointer;
#end
#if (lime_cffi && !macro) #if (lime_cffi && !macro)
import lime._internal.backend.native.NativeCFFI; import lime._internal.backend.native.NativeCFFI;
@:access(lime._internal.backend.native.NativeCFFI) @:access(lime._internal.backend.native.NativeCFFI)
#end #end
@:access(haxe.io.Bytes)
abstract DataPointer(DataPointerType) to DataPointerType { abstract DataPointer(DataPointerType) to DataPointerType {
@@ -49,9 +55,21 @@ abstract DataPointer(DataPointerType) to DataPointerType {
} }
#if cpp
@:generic @:from @:noCompletion public static inline function fromPointer<T> (pointer:Pointer<T>):DataPointer {
return untyped __cpp__('(uintptr_t){0}', pointer.ptr);
}
#end
@:from @:noCompletion public static function fromBytesPointer (pointer:BytePointer):DataPointer { @:from @:noCompletion public static function fromBytesPointer (pointer:BytePointer):DataPointer {
#if (lime_cffi && !macro) #if cpp
if (pointer == null || pointer.bytes == null) return cast 0;
return Pointer.arrayElem (pointer.bytes.b, 0).add (pointer.offset);
#elseif (lime_cffi && !macro)
if (pointer == null || pointer.bytes == null) return cast 0; if (pointer == null || pointer.bytes == null) return cast 0;
var data:Float = NativeCFFI.lime_bytes_get_data_pointer_offset (pointer.bytes, pointer.offset); var data:Float = NativeCFFI.lime_bytes_get_data_pointer_offset (pointer.bytes, pointer.offset);
return new DataPointer (data); return new DataPointer (data);
@@ -66,7 +84,10 @@ abstract DataPointer(DataPointerType) to DataPointerType {
@:from @:noCompletion public static function fromArrayBufferView (arrayBufferView:ArrayBufferView):DataPointer { @:from @:noCompletion public static function fromArrayBufferView (arrayBufferView:ArrayBufferView):DataPointer {
#if (lime_cffi && !js && !macro) #if cpp
if (arrayBufferView == null) return cast 0;
return Pointer.arrayElem (arrayBufferView.buffer.b, 0).add (arrayBufferView.byteOffset);
#elseif (lime_cffi && !js && !macro)
if (arrayBufferView == null) return cast 0; if (arrayBufferView == null) return cast 0;
var data:Float = NativeCFFI.lime_bytes_get_data_pointer_offset (arrayBufferView.buffer, arrayBufferView.byteOffset); var data:Float = NativeCFFI.lime_bytes_get_data_pointer_offset (arrayBufferView.buffer, arrayBufferView.byteOffset);
return new DataPointer (data); return new DataPointer (data);
@@ -95,7 +116,10 @@ abstract DataPointer(DataPointerType) to DataPointerType {
@:from @:noCompletion public static function fromBytes (bytes:Bytes):DataPointer { @:from @:noCompletion public static function fromBytes (bytes:Bytes):DataPointer {
#if (lime_cffi && !macro) #if cpp
if (bytes == null) return cast 0;
return Pointer.arrayElem (bytes.b, 0);
#elseif (lime_cffi && !macro)
if (bytes == null) return cast 0; if (bytes == null) return cast 0;
var data:Float = NativeCFFI.lime_bytes_get_data_pointer (bytes); var data:Float = NativeCFFI.lime_bytes_get_data_pointer (bytes);
return new DataPointer (data); return new DataPointer (data);