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//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#ifndef OPENSUBDIV_EXAMPLES_MTL_HUD_H
#define OPENSUBDIV_EXAMPLES_MTL_HUD_H
@protocol MTLTexture;
@protocol MTLBuffer;
@protocol MTLRenderCommandEncoder;
@protocol MTLRenderPipelineState;
@protocol MTLDevice;
@class MTLRenderPipelineDescriptor;
@class MTLDepthStencilDescriptor;
#include "hud.h"
#include "mtlUtils.h"
class MTLhud : public Hud {
public:
MTLhud();
~MTLhud();
virtual void Init(id<MTLDevice> device, MTLRenderPipelineDescriptor* parentPipelineDescriptor, MTLDepthStencilDescriptor* depthStencilStateDescriptor,
int width, int height, int framebufferWidth, int framebufferHeight);
virtual void Rebuild(int width, int height,
int framebufferWidth, int framebufferHeight);
virtual bool Flush(id<MTLRenderCommandEncoder> encoder);
id<MTLTexture> GetFontTexture() const {
return _fontTexture;
}
void FillBackground(id<MTLRenderCommandEncoder> encoder);
float UIScale = 1.0f;
private:
id<MTLDevice> _device;
id<MTLTexture> _fontTexture;
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MTLRingBuffer<float, 1> _staticBuffer;
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MTLRingBuffer<float, 3> _dynamicBuffer;
id<MTLRenderPipelineState> _fgPipelineState, _bgPipelineState;
id<MTLDepthStencilState> _depthStencilState;
};
#endif //OPENSUBDIV_EXAMPLES_MTL_HUD_H
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