// 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);
|
}
|
