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/**************************************************************************/
/* rendering_context_driver_metal.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef RENDERING_CONTEXT_DRIVER_METAL_H
#define RENDERING_CONTEXT_DRIVER_METAL_H
#ifdef METAL_ENABLED
#import "servers/rendering/rendering_context_driver.h"
#import "servers/rendering/rendering_device_driver.h"
#import <CoreGraphics/CGGeometry.h>
#ifdef __OBJC__
#import "metal_objects.h"
#import <Metal/Metal.h>
#import <QuartzCore/CALayer.h>
@class CAMetalLayer;
@protocol CAMetalDrawable;
#else
typedef enum MTLPixelFormat {
MTLPixelFormatBGRA8Unorm = 80,
} MTLPixelFormat;
class MDCommandBuffer;
#endif
class PixelFormats;
class MDResourceCache;
class API_AVAILABLE(macos(11.0), ios(14.0)) RenderingContextDriverMetal : public RenderingContextDriver {
protected:
#ifdef __OBJC__
id<MTLDevice> metal_device = nullptr;
#else
void *metal_device = nullptr;
#endif
Device device; // There is only one device on Apple Silicon.
public:
Error initialize() final override;
const Device &device_get(uint32_t p_device_index) const final override;
uint32_t device_get_count() const final override;
bool device_supports_present(uint32_t p_device_index, SurfaceID p_surface) const final override { return true; }
RenderingDeviceDriver *driver_create() final override;
void driver_free(RenderingDeviceDriver *p_driver) final override;
SurfaceID surface_create(const void *p_platform_data) final override;
void surface_set_size(SurfaceID p_surface, uint32_t p_width, uint32_t p_height) final override;
void surface_set_vsync_mode(SurfaceID p_surface, DisplayServer::VSyncMode p_vsync_mode) final override;
DisplayServer::VSyncMode surface_get_vsync_mode(SurfaceID p_surface) const final override;
uint32_t surface_get_width(SurfaceID p_surface) const final override;
uint32_t surface_get_height(SurfaceID p_surface) const final override;
void surface_set_needs_resize(SurfaceID p_surface, bool p_needs_resize) final override;
bool surface_get_needs_resize(SurfaceID p_surface) const final override;
void surface_destroy(SurfaceID p_surface) final override;
bool is_debug_utils_enabled() const final override { return true; }
#pragma mark - Metal-specific methods
// Platform-specific data for the Windows embedded in this driver.
struct WindowPlatformData {
#ifdef __OBJC__
CAMetalLayer *__unsafe_unretained layer;
#else
void *layer;
#endif
};
class API_AVAILABLE(macos(11.0), ios(14.0)) Surface {
protected:
#ifdef __OBJC__
id<MTLDevice> device;
#else
void *device;
#endif
public:
uint32_t width = 0;
uint32_t height = 0;
DisplayServer::VSyncMode vsync_mode = DisplayServer::VSYNC_ENABLED;
bool needs_resize = false;
double present_minimum_duration = 0.0;
Surface(
#ifdef __OBJC__
id<MTLDevice> p_device
#else
void *p_device
#endif
) :
device(p_device) {
}
virtual ~Surface() = default;
MTLPixelFormat get_pixel_format() const { return MTLPixelFormatBGRA8Unorm; }
virtual Error resize(uint32_t p_desired_framebuffer_count) = 0;
virtual RDD::FramebufferID acquire_next_frame_buffer() = 0;
virtual void present(MDCommandBuffer *p_cmd_buffer) = 0;
void set_max_fps(int p_max_fps) { present_minimum_duration = p_max_fps ? 1.0 / p_max_fps : 0.0; }
};
#ifdef __OBJC__
id<MTLDevice>
#else
void *
#endif
get_metal_device() const {
return metal_device;
}
#pragma mark - Initialization
RenderingContextDriverMetal();
~RenderingContextDriverMetal() override;
};
#endif // METAL_ENABLED
#endif // RENDERING_CONTEXT_DRIVER_METAL_H
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