twitchapon-anim

Basic Twitchapon Receiver/Visuals
git clone git://bsandro.tech/twitchapon-anim
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ca.m (3217B)

      1 // Copyright 2018 The Ebiten Authors
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 //     http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 
     15 // +build darwin
     16 
     17 #include "ca.h"
     18 #import <QuartzCore/QuartzCore.h>
     19 
     20 void *MakeMetalLayer() {
     21   CAMetalLayer *layer = [[CAMetalLayer alloc] init];
     22   // TODO: Expose a function to set color space.
     23   // TODO: Enable colorspace on iOS: this will be available as of iOS 13.0.
     24 #if !TARGET_OS_IPHONE
     25   CGColorSpaceRef colorspace =
     26       CGColorSpaceCreateWithName(kCGColorSpaceDisplayP3);
     27   layer.colorspace = colorspace;
     28   CGColorSpaceRelease(colorspace);
     29 #endif
     30   return layer;
     31 }
     32 
     33 uint16_t MetalLayer_PixelFormat(void *metalLayer) {
     34   return ((CAMetalLayer *)metalLayer).pixelFormat;
     35 }
     36 
     37 void MetalLayer_SetDevice(void *metalLayer, void *device) {
     38   ((CAMetalLayer *)metalLayer).device = (id<MTLDevice>)device;
     39 }
     40 
     41 void MetalLayer_SetOpaque(void *metalLayer, unsigned char opaque) {
     42   ((CAMetalLayer *)metalLayer).opaque = (BOOL)opaque;
     43 }
     44 
     45 const char *MetalLayer_SetPixelFormat(void *metalLayer, uint16_t pixelFormat) {
     46   @try {
     47     ((CAMetalLayer *)metalLayer).pixelFormat = (MTLPixelFormat)pixelFormat;
     48   } @catch (NSException *exception) {
     49     return exception.reason.UTF8String;
     50   }
     51   return NULL;
     52 }
     53 
     54 const char *MetalLayer_SetMaximumDrawableCount(void *metalLayer,
     55                                                uint_t maximumDrawableCount) {
     56   // @available syntax is not available for old Xcode (#781)
     57   //
     58   // If possible, we'd want to write the guard like:
     59   //
     60   //     if (@available(macOS 10.13.2, *)) { ...
     61 
     62   @try {
     63     if ([(CAMetalLayer *)metalLayer
     64             respondsToSelector:@selector(setMaximumDrawableCount:)]) {
     65       [((CAMetalLayer *)metalLayer)
     66           setMaximumDrawableCount:(NSUInteger)maximumDrawableCount];
     67     }
     68   } @catch (NSException *exception) {
     69     return exception.reason.UTF8String;
     70   }
     71   return NULL;
     72 }
     73 
     74 void MetalLayer_SetDisplaySyncEnabled(void *metalLayer,
     75                                       uint8_t displaySyncEnabled) {
     76   // @available syntax is not available for old Xcode (#781)
     77   //
     78   // If possible, we'd want to write the guard like:
     79   //
     80   //     if (@available(macOS 10.13, *)) { ...
     81 
     82 #if !TARGET_OS_IPHONE
     83   if ([(CAMetalLayer *)metalLayer
     84           respondsToSelector:@selector(setDisplaySyncEnabled:)]) {
     85     [((CAMetalLayer *)metalLayer) setDisplaySyncEnabled:displaySyncEnabled];
     86   }
     87 #endif
     88 }
     89 
     90 void MetalLayer_SetDrawableSize(void *metalLayer, double width, double height) {
     91   ((CAMetalLayer *)metalLayer).drawableSize = (CGSize){width, height};
     92 }
     93 
     94 void *MetalLayer_NextDrawable(void *metalLayer) {
     95   return [(CAMetalLayer *)metalLayer nextDrawable];
     96 }
     97 
     98 void *MetalDrawable_Texture(void *metalDrawable) {
     99   return ((id<CAMetalDrawable>)metalDrawable).texture;
    100 }