RetroArch/gfx/common/metal_common.h

126 lines
4.1 KiB
Objective-C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2018-2019 - Stuart Carnie
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef METAL_COMMON_H__
#define METAL_COMMON_H__
#import <Metal/Metal.h>
#import <MetalKit/MetalKit.h>
#import "metal/metal_common.h"
#include <retro_common_api.h>
#include "../drivers_shader/slang_process.h"
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_COCOATOUCH
#define PLATFORM_METAL_RESOURCE_STORAGE_MODE MTLResourceStorageModeShared
#else
#define PLATFORM_METAL_RESOURCE_STORAGE_MODE MTLResourceStorageModeManaged
#endif
RETRO_BEGIN_DECLS
extern MTLPixelFormat glslang_format_to_metal(glslang_format fmt);
extern MTLPixelFormat SelectOptimalPixelFormat(MTLPixelFormat fmt);
#pragma mark - Classes
#import <MetalKit/MetalKit.h>
@interface MetalView : MTKView
@end
@interface FrameView : NSObject
@property(nonatomic, readonly) RPixelFormat format;
@property(nonatomic, readonly) RTextureFilter filter;
@property(nonatomic, readwrite) BOOL visible;
@property(nonatomic, readwrite) CGRect frame;
@property(nonatomic, readwrite) CGSize size;
@property(nonatomic, readonly) ViewDrawState drawState;
@property(nonatomic, readonly) struct video_shader *shader;
@property(nonatomic, readwrite) uint64_t frameCount;
- (void)setFilteringIndex:(int)index smooth:(bool)smooth;
- (BOOL)setShaderFromPath:(NSString *)path;
- (void)updateFrame:(void const *)src pitch:(NSUInteger)pitch;
- (bool)readViewport:(uint8_t *)buffer isIdle:(bool)isIdle;
@end
@interface MetalMenu : NSObject
@property(nonatomic, readonly) bool hasFrame;
@property(nonatomic, readwrite) bool enabled;
@property(nonatomic, readwrite) float alpha;
- (void)updateFrame:(void const *)source;
- (void)updateWidth:(int)width
height:(int)height
format:(RPixelFormat)format
filter:(RTextureFilter)filter;
@end
@interface Overlay : NSObject
@property(nonatomic, readwrite) bool enabled;
@property(nonatomic, readwrite) bool fullscreen;
- (bool)loadImages:(const struct texture_image *)images count:(NSUInteger)count;
- (void)updateVertexX:(float)x y:(float)y w:(float)w h:(float)h index:(NSUInteger)index;
- (void)updateTextureCoordsX:(float)x y:(float)y w:(float)w h:(float)h index:(NSUInteger)index;
- (void)updateAlpha:(float)alpha index:(NSUInteger)index;
@end
@interface MetalDriver : NSObject<MTKViewDelegate>
@property(nonatomic, readonly) video_viewport_t *viewport;
@property(nonatomic, readwrite) bool keepAspect;
@property(nonatomic, readonly) MetalMenu *menu;
@property(nonatomic, readonly) FrameView *frameView;
@property(nonatomic, readonly) MenuDisplay *display;
@property(nonatomic, readonly) Overlay *overlay;
@property(nonatomic, readonly) Context *context;
@property(nonatomic, readonly) Uniforms *viewportMVP;
- (instancetype)initWithVideo:(const video_info_t *)video
input:(input_driver_t **)input
inputData:(void **)inputData;
- (void)setVideo:(const video_info_t *)video;
- (bool)renderFrame:(const void *)frame
data:(void*)data
width:(unsigned)width
height:(unsigned)height
frameCount:(uint64_t)frameCount
pitch:(unsigned)pitch
msg:(const char *)msg
info:(video_frame_info_t *)video_info;
/*! @brief setNeedsResize triggers a display resize */
- (void)setNeedsResize;
- (void)setViewportWidth:(unsigned)width height:(unsigned)height forceFull:(BOOL)forceFull allowRotate:(BOOL)allowRotate;
- (void)setRotation:(unsigned)rotation;
@end
RETRO_END_DECLS
#endif