124 lines
2.9 KiB
Plaintext
124 lines
2.9 KiB
Plaintext
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "mediapipe/gpu/MPPGraphGPUData.h"
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#import "GTMDefines.h"
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#include "mediapipe/gpu/gl_context.h"
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#include "mediapipe/gpu/gpu_buffer_multi_pool.h"
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#if TARGET_OS_OSX
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#import <AppKit/NSOpenGL.h>
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#else
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#import <OpenGLES/EAGL.h>
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#endif // TARGET_OS_OSX
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@implementation MPPGraphGPUData
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@synthesize textureCache = _textureCache;
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@synthesize mtlDevice = _mtlDevice;
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@synthesize mtlCommandQueue = _mtlCommandQueue;
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#if COREVIDEO_SUPPORTS_METAL
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@synthesize mtlTextureCache = _mtlTextureCache;
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#endif
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#if TARGET_OS_OSX
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typedef CVOpenGLTextureCacheRef CVTextureCacheType;
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#else
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typedef CVOpenGLESTextureCacheRef CVTextureCacheType;
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#endif // TARGET_OS_OSX
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- (instancetype)initWithContext:(mediapipe::GlContext*)context
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multiPool:(mediapipe::GpuBufferMultiPool*)pool {
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self = [super init];
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if (self) {
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_gpuBufferPool = pool;
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_glContext = context;
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}
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return self;
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}
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- (void)dealloc {
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if (_textureCache) {
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_textureCache = NULL;
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}
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#if COREVIDEO_SUPPORTS_METAL
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if (_mtlTextureCache) {
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CFRelease(_mtlTextureCache);
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_mtlTextureCache = NULL;
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}
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#endif
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}
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#if TARGET_OS_OSX
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- (NSOpenGLContext *)glContext {
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return _glContext->nsgl_context();
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}
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- (NSOpenGLPixelFormat *) glPixelFormat {
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return _glContext->nsgl_pixel_format();
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}
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#else
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- (EAGLContext *)glContext {
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return _glContext->eagl_context();
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}
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#endif // TARGET_OS_OSX
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- (CVTextureCacheType)textureCache {
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@synchronized(self) {
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if (!_textureCache) {
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_textureCache = _glContext->cv_texture_cache();
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}
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}
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return _textureCache;
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}
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- (mediapipe::GpuBufferMultiPool *)gpuBufferPool {
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return _gpuBufferPool;
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}
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- (id<MTLDevice>)mtlDevice {
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@synchronized(self) {
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if (!_mtlDevice) {
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_mtlDevice = MTLCreateSystemDefaultDevice();
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}
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}
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return _mtlDevice;
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}
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- (id<MTLCommandQueue>)mtlCommandQueue {
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@synchronized(self) {
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if (!_mtlCommandQueue) {
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_mtlCommandQueue = [self.mtlDevice newCommandQueue];
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}
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}
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return _mtlCommandQueue;
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}
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#if COREVIDEO_SUPPORTS_METAL
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- (CVMetalTextureCacheRef)mtlTextureCache {
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@synchronized(self) {
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if (!_mtlTextureCache) {
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CVReturn err = CVMetalTextureCacheCreate(NULL, NULL, self.mtlDevice, NULL, &_mtlTextureCache);
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NSAssert(err == kCVReturnSuccess, @"Error at CVMetalTextureCacheCreate %d", err);
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// TODO: register and flush metal caches too.
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}
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}
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return _mtlTextureCache;
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}
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#endif
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@end
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