| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "FrameBufferOSX.hpp" |
| |
| #include "Common/Debug.hpp" |
| |
| #include <EGL/egl.h> |
| #import <QuartzCore/QuartzCore.h> |
| |
| namespace sw { |
| |
| FrameBufferOSX::FrameBufferOSX(CALayer* layer, int width, int height) |
| : FrameBuffer(width, height, false, false), width(width), height(height), |
| layer(layer), buffer(nullptr), provider(nullptr), currentImage(nullptr) |
| { |
| format = sw::FORMAT_X8B8G8R8; |
| int bufferSize = width * height * 4 * sizeof(uint8_t); |
| buffer = new uint8_t[bufferSize]; |
| provider = CGDataProviderCreateWithData(nullptr, buffer, bufferSize, nullptr); |
| colorspace = CGColorSpaceCreateDeviceRGB(); |
| } |
| |
| FrameBufferOSX::~FrameBufferOSX() |
| { |
| //[CATransaction begin]; |
| //[layer setContents:nullptr]; |
| //[CATransaction commit]; |
| |
| CGImageRelease(currentImage); |
| CGColorSpaceRelease(colorspace); |
| CGDataProviderRelease(provider); |
| |
| delete[] buffer; |
| } |
| |
| void FrameBufferOSX::flip(sw::Surface *source) |
| { |
| blit(source, nullptr, nullptr); |
| } |
| |
| void FrameBufferOSX::blit(sw::Surface *source, const Rect *sourceRect, const Rect *destRect) |
| { |
| copy(source); |
| |
| int bytesPerRow = width * 4 * sizeof(uint8_t); |
| CGImageRef image = CGImageCreate(width, height, 8, 32, bytesPerRow, colorspace, kCGBitmapByteOrder32Big, provider, nullptr, false, kCGRenderingIntentDefault); |
| |
| [CATransaction begin]; |
| [layer setContents:(id)image]; |
| [CATransaction commit]; |
| [CATransaction flush]; |
| |
| if(currentImage) |
| { |
| CGImageRelease(currentImage); |
| } |
| currentImage = image; |
| } |
| |
| void *FrameBufferOSX::lock() |
| { |
| stride = width * 4 * sizeof(uint8_t); |
| framebuffer = buffer; |
| return framebuffer; |
| } |
| |
| void FrameBufferOSX::unlock() |
| { |
| framebuffer = nullptr; |
| } |
| } |
| |
| sw::FrameBuffer *createFrameBuffer(void *display, EGLNativeWindowType nativeWindow, int width, int height) |
| { |
| NSObject *window = reinterpret_cast<NSObject*>(nativeWindow); |
| CALayer *layer = nullptr; |
| |
| if([window isKindOfClass:[NSView class]]) |
| { |
| NSView *view = reinterpret_cast<NSView*>(window); |
| [view setWantsLayer:YES]; |
| layer = [view layer]; |
| } |
| else if([window isKindOfClass:[CALayer class]]) |
| { |
| layer = reinterpret_cast<CALayer*>(window); |
| } |
| else ASSERT(0); |
| |
| return new sw::FrameBufferOSX(layer, width, height); |
| } |