3 files changed, 14 insertions, 15 deletions
diff --git a/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.go b/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.go
index 10ec40c..ce28c32 100644
--- a/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.go
+++ b/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.go
@@ -17,8 +17,9 @@ import (
 )
 
 /*
-#cgo LDFLAGS: -framework Metal -framework Foundation
+#cgo LDFLAGS: -framework Metal -framework CoreGraphics -framework Foundation
 #include <stdlib.h>
+#include <stdbool.h>
 #include "mtl.h"
 struct Library Go_Device_MakeLibrary(void * device, _GoString_ source) {
 	return Device_MakeLibrary(device, _GoStringPtr(source), _GoStringLen(source));
@@ -301,9 +302,9 @@ func CreateSystemDefaultDevice() (Device, error) {
 
 	return Device{
 		device:     d.Device,
-		Headless:   d.Headless != 0,
-		LowPower:   d.LowPower != 0,
-		Removable:  d.Removable != 0,
+		Headless:   bool(d.Headless),
+		LowPower:   bool(d.LowPower),
+		Removable:  bool(d.Removable),
 		RegistryID: uint64(d.RegistryID),
 		Name:       C.GoString(d.Name),
 	}, nil
@@ -321,9 +322,9 @@ func CopyAllDevices() []Device {
 		d := (*C.struct_Device)(unsafe.Pointer(uintptr(unsafe.Pointer(d.Devices)) + uintptr(i)*C.sizeof_struct_Device))
 
 		ds[i].device = d.Device
-		ds[i].Headless = d.Headless != 0
-		ds[i].LowPower = d.LowPower != 0
-		ds[i].Removable = d.Removable != 0
+		ds[i].Headless = bool(d.Headless)
+		ds[i].LowPower = bool(d.LowPower)
+		ds[i].Removable = bool(d.Removable)
 		ds[i].RegistryID = uint64(d.RegistryID)
 		ds[i].Name = C.GoString(d.Name)
 	}
@@ -337,7 +338,7 @@ func (d Device) Device() unsafe.Pointer { return d.device }
 //
 // Reference: https://developer.apple.com/documentation/metal/mtldevice/1433418-supportsfeatureset.
 func (d Device) SupportsFeatureSet(fs FeatureSet) bool {
-	return C.Device_SupportsFeatureSet(d.device, C.uint16_t(fs)) != 0
+	return bool(C.Device_SupportsFeatureSet(d.device, C.uint16_t(fs)))
 }
 
 // MakeCommandQueue creates a serial command submission queue.
diff --git a/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.h b/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.h
index 24111a9..94d2bbe 100644
--- a/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.h
+++ b/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.h
@@ -1,6 +1,5 @@
 // +build darwin
 
-typedef signed char BOOL;
 typedef unsigned long uint_t;
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
@@ -8,9 +7,9 @@ typedef unsigned long long uint64_t;
 
 struct Device {
 	void *       Device;
-	BOOL         Headless;
-	BOOL         LowPower;
-	BOOL         Removable;
+	bool         Headless;
+	bool         LowPower;
+	bool         Removable;
 	uint64_t     RegistryID;
 	const char * Name;
 };
@@ -77,7 +76,7 @@ struct Region {
 struct Device CreateSystemDefaultDevice();
 struct Devices CopyAllDevices();
 
-BOOL                       Device_SupportsFeatureSet(void * device, uint16_t featureSet);
+bool                       Device_SupportsFeatureSet(void * device, uint16_t featureSet);
 void *                     Device_MakeCommandQueue(void * device);
 struct Library             Device_MakeLibrary(void * device, const char * source, size_t sourceLength);
 struct RenderPipelineState Device_MakeRenderPipelineState(void * device, struct RenderPipelineDescriptor descriptor);
diff --git a/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.m b/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.m
index e28eef1..b717b77 100644
--- a/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.m
+++ b/vendor/dmitri.shuralyov.com/gpu/mtl/mtl.m
@@ -1,7 +1,6 @@
 // +build darwin
 
 #import <Metal/Metal.h>
-#include <stdlib.h>
 #include "mtl.h"
 
 struct Device CreateSystemDefaultDevice() {
@@ -40,7 +39,7 @@ struct Devices CopyAllDevices() {
 	return d;
 }
 
-BOOL Device_SupportsFeatureSet(void * device, uint16_t featureSet) {
+bool Device_SupportsFeatureSet(void * device, uint16_t featureSet) {
 	return [(id<MTLDevice>)device supportsFeatureSet:featureSet];
 }