mirror of
https://github.com/TomHarte/CLK.git
synced 2025-02-15 11:32:29 +00:00
Makes thread safe.
This commit is contained in:
Thomas Harte
parent
645c29f853
commit
512c0079a9
@ -99,6 +99,14 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
|
||||
// Set initial aspect-ratio multiplier.
|
||||
_view = view;
|
||||
[self mtkView:view drawableSizeWillChange:view.drawableSize];
|
||||
|
||||
// Generate copy pipeline.
|
||||
id<MTLLibrary> library = [_view.device newDefaultLibrary];
|
||||
MTLRenderPipelineDescriptor *const pipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init];
|
||||
pipelineDescriptor.colorAttachments[0].pixelFormat = _view.colorPixelFormat;
|
||||
pipelineDescriptor.vertexFunction = [library newFunctionWithName:@"copyVertex"];
|
||||
pipelineDescriptor.fragmentFunction = [library newFunctionWithName:@"copyFragment"];
|
||||
_copyPipeline = [_view.device newRenderPipelineStateWithDescriptor:pipelineDescriptor error:nil];
|
||||
}
|
||||
|
||||
return self;
|
||||
@ -119,20 +127,22 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
|
||||
|
||||
// TODO: attach a stencil buffer.
|
||||
|
||||
// Generate a framebuffer and a pipeline that targets it.
|
||||
MTLTextureDescriptor *const textureDescriptor = [MTLTextureDescriptor
|
||||
texture2DDescriptorWithPixelFormat:view.colorPixelFormat
|
||||
width:NSUInteger(size.width * view.layer.contentsScale)
|
||||
height:NSUInteger(size.height * view.layer.contentsScale)
|
||||
mipmapped:NO];
|
||||
textureDescriptor.usage = MTLTextureUsageRenderTarget | MTLTextureUsageShaderRead;
|
||||
textureDescriptor.resourceOptions = MTLResourceStorageModePrivate;
|
||||
_frameBuffer = [view.device newTextureWithDescriptor:textureDescriptor];
|
||||
@synchronized(self) {
|
||||
// Generate a framebuffer and a pipeline that targets it.
|
||||
MTLTextureDescriptor *const textureDescriptor = [MTLTextureDescriptor
|
||||
texture2DDescriptorWithPixelFormat:view.colorPixelFormat
|
||||
width:NSUInteger(size.width * view.layer.contentsScale)
|
||||
height:NSUInteger(size.height * view.layer.contentsScale)
|
||||
mipmapped:NO];
|
||||
textureDescriptor.usage = MTLTextureUsageRenderTarget | MTLTextureUsageShaderRead;
|
||||
textureDescriptor.resourceOptions = MTLResourceStorageModePrivate;
|
||||
_frameBuffer = [view.device newTextureWithDescriptor:textureDescriptor];
|
||||
|
||||
_frameBufferRenderPass = [[MTLRenderPassDescriptor alloc] init];
|
||||
_frameBufferRenderPass.colorAttachments[0].texture = _frameBuffer;
|
||||
_frameBufferRenderPass.colorAttachments[0].loadAction = MTLLoadActionLoad;
|
||||
_frameBufferRenderPass.colorAttachments[0].storeAction = MTLStoreActionStore;
|
||||
_frameBufferRenderPass = [[MTLRenderPassDescriptor alloc] init];
|
||||
_frameBufferRenderPass.colorAttachments[0].texture = _frameBuffer;
|
||||
_frameBufferRenderPass.colorAttachments[0].loadAction = MTLLoadActionLoad;
|
||||
_frameBufferRenderPass.colorAttachments[0].storeAction = MTLStoreActionStore;
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setAspectRatio {
|
||||
@ -248,17 +258,6 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
|
||||
pipelineDescriptor.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorOneMinusSourceAlpha;
|
||||
|
||||
_scanPipeline = [_view.device newRenderPipelineStateWithDescriptor:pipelineDescriptor error:nil];
|
||||
|
||||
|
||||
|
||||
//
|
||||
// Generate copy pipeline.
|
||||
//
|
||||
pipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init];
|
||||
pipelineDescriptor.colorAttachments[0].pixelFormat = _view.colorPixelFormat;
|
||||
pipelineDescriptor.vertexFunction = [library newFunctionWithName:@"copyVertex"];
|
||||
pipelineDescriptor.fragmentFunction = [library newFunctionWithName:@"copyFragment"];
|
||||
_copyPipeline = [_view.device newRenderPipelineStateWithDescriptor:pipelineDescriptor error:nil];
|
||||
}
|
||||
|
||||
- (void)checkModals {
|
||||
@ -271,64 +270,64 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
|
||||
});
|
||||
}
|
||||
|
||||
//- (void)updateFrameBuffer {
|
||||
//}
|
||||
|
||||
- (void)updateFrameBuffer {
|
||||
[self checkModals];
|
||||
if(!_frameBufferRenderPass) return;
|
||||
|
||||
// Generate a command encoder for the view.
|
||||
id<MTLCommandBuffer> commandBuffer = [_commandQueue commandBuffer];
|
||||
id<MTLRenderCommandEncoder> encoder = [commandBuffer renderCommandEncoderWithDescriptor:_frameBufferRenderPass];
|
||||
@synchronized(self) {
|
||||
if(!_frameBufferRenderPass) return;
|
||||
|
||||
// Drawing. Just scans.
|
||||
[encoder setRenderPipelineState:_scanPipeline];
|
||||
// Generate a command encoder for the view.
|
||||
id<MTLCommandBuffer> commandBuffer = [_commandQueue commandBuffer];
|
||||
id<MTLRenderCommandEncoder> encoder = [commandBuffer renderCommandEncoderWithDescriptor:_frameBufferRenderPass];
|
||||
|
||||
[encoder setFragmentTexture:_writeAreaTexture atIndex:0];
|
||||
[encoder setVertexBuffer:_scansBuffer offset:0 atIndex:0];
|
||||
[encoder setVertexBuffer:_uniformsBuffer offset:0 atIndex:1];
|
||||
[encoder setFragmentBuffer:_uniformsBuffer offset:0 atIndex:0];
|
||||
// Drawing. Just scans.
|
||||
[encoder setRenderPipelineState:_scanPipeline];
|
||||
|
||||
const auto outputArea = _scanTarget.get_output_area();
|
||||
[encoder setFragmentTexture:_writeAreaTexture atIndex:0];
|
||||
[encoder setVertexBuffer:_scansBuffer offset:0 atIndex:0];
|
||||
[encoder setVertexBuffer:_uniformsBuffer offset:0 atIndex:1];
|
||||
[encoder setFragmentBuffer:_uniformsBuffer offset:0 atIndex:0];
|
||||
|
||||
// Ensure texture changes are noted.
|
||||
const auto writeAreaModificationStart = size_t(outputArea.start.write_area_x + outputArea.start.write_area_y * 2048) * _bytesPerInputPixel;
|
||||
const auto writeAreaModificationEnd = size_t(outputArea.end.write_area_x + outputArea.end.write_area_y * 2048) * _bytesPerInputPixel;
|
||||
if(writeAreaModificationStart != writeAreaModificationEnd) {
|
||||
if(writeAreaModificationStart < writeAreaModificationEnd) {
|
||||
[_writeAreaBuffer didModifyRange:NSMakeRange(writeAreaModificationStart, writeAreaModificationEnd - writeAreaModificationStart)];
|
||||
} else {
|
||||
[_writeAreaBuffer didModifyRange:NSMakeRange(writeAreaModificationStart, _totalTextureBytes - writeAreaModificationStart)];
|
||||
if(writeAreaModificationEnd) {
|
||||
[_writeAreaBuffer didModifyRange:NSMakeRange(0, writeAreaModificationEnd)];
|
||||
const auto outputArea = _scanTarget.get_output_area();
|
||||
|
||||
// Ensure texture changes are noted.
|
||||
const auto writeAreaModificationStart = size_t(outputArea.start.write_area_x + outputArea.start.write_area_y * 2048) * _bytesPerInputPixel;
|
||||
const auto writeAreaModificationEnd = size_t(outputArea.end.write_area_x + outputArea.end.write_area_y * 2048) * _bytesPerInputPixel;
|
||||
if(writeAreaModificationStart != writeAreaModificationEnd) {
|
||||
if(writeAreaModificationStart < writeAreaModificationEnd) {
|
||||
[_writeAreaBuffer didModifyRange:NSMakeRange(writeAreaModificationStart, writeAreaModificationEnd - writeAreaModificationStart)];
|
||||
} else {
|
||||
[_writeAreaBuffer didModifyRange:NSMakeRange(writeAreaModificationStart, _totalTextureBytes - writeAreaModificationStart)];
|
||||
if(writeAreaModificationEnd) {
|
||||
[_writeAreaBuffer didModifyRange:NSMakeRange(0, writeAreaModificationEnd)];
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// TEMPORARY: just draw the scans.
|
||||
if(outputArea.start.scan != outputArea.end.scan) {
|
||||
if(outputArea.start.scan < outputArea.end.scan) {
|
||||
[encoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4 instanceCount:outputArea.end.scan - outputArea.start.scan baseInstance:outputArea.start.scan];
|
||||
} else {
|
||||
[encoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4 instanceCount:NumBufferedScans - outputArea.start.scan baseInstance:outputArea.start.scan];
|
||||
if(outputArea.end.scan) {
|
||||
[encoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4 instanceCount:outputArea.end.scan];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Complete encoding.
|
||||
[encoder endEncoding];
|
||||
|
||||
// Add a callback to update the buffer.
|
||||
[commandBuffer addCompletedHandler:^(id<MTLCommandBuffer> _Nonnull) {
|
||||
self->_scanTarget.complete_output_area(outputArea);
|
||||
}];
|
||||
|
||||
// Commit the drawing.
|
||||
[commandBuffer commit];
|
||||
}
|
||||
|
||||
// TEMPORARY: just draw the scans.
|
||||
if(outputArea.start.scan != outputArea.end.scan) {
|
||||
if(outputArea.start.scan < outputArea.end.scan) {
|
||||
[encoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4 instanceCount:outputArea.end.scan - outputArea.start.scan baseInstance:outputArea.start.scan];
|
||||
} else {
|
||||
[encoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4 instanceCount:NumBufferedScans - outputArea.start.scan baseInstance:outputArea.start.scan];
|
||||
if(outputArea.end.scan) {
|
||||
[encoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4 instanceCount:outputArea.end.scan];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Complete encoding.
|
||||
[encoder endEncoding];
|
||||
|
||||
// Add a callback to update the buffer.
|
||||
[commandBuffer addCompletedHandler:^(id<MTLCommandBuffer> _Nonnull) {
|
||||
self->_scanTarget.complete_output_area(outputArea);
|
||||
}];
|
||||
|
||||
// Commit the drawing.
|
||||
[commandBuffer commit];
|
||||
}
|
||||
|
||||
/*!
|
||||
@ -337,9 +336,6 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
|
||||
@discussion Called on the delegate when it is asked to render into the view
|
||||
*/
|
||||
- (void)drawInMTKView:(nonnull MTKView *)view {
|
||||
[self checkModals];
|
||||
// [self updateFrameBuffer];
|
||||
|
||||
// Schedule a copy from the current framebuffer to the view; blitting is unavailable as the target is a framebuffer texture.
|
||||
id<MTLCommandBuffer> commandBuffer = [_commandQueue commandBuffer];
|
||||
id<MTLRenderCommandEncoder> encoder = [commandBuffer renderCommandEncoderWithDescriptor:view.currentRenderPassDescriptor];
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user