mirror of https://github.com/AxioDL/boo.git
1117 lines
41 KiB
Plaintext
1117 lines
41 KiB
Plaintext
#include "../mac/CocoaCommon.hpp"
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#if BOO_HAS_METAL
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#include "logvisor/logvisor.hpp"
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#include "boo/graphicsdev/Metal.hpp"
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#include "boo/IGraphicsContext.hpp"
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#include <vector>
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#if !__has_feature(objc_arc)
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#error ARC Required
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#endif
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#define MAX_UNIFORM_COUNT 8
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#define MAX_TEXTURE_COUNT 8
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namespace boo
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{
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static logvisor::Module Log("boo::Metal");
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struct MetalCommandQueue;
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ThreadLocalPtr<struct MetalData> MetalDataFactory::m_deferredData;
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struct MetalData : IGraphicsData
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{
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std::vector<std::unique_ptr<class MetalShaderPipeline>> m_SPs;
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std::vector<std::unique_ptr<struct MetalShaderDataBinding>> m_SBinds;
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std::vector<std::unique_ptr<class MetalGraphicsBufferS>> m_SBufs;
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std::vector<std::unique_ptr<class MetalGraphicsBufferD>> m_DBufs;
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std::vector<std::unique_ptr<class MetalTextureS>> m_STexs;
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std::vector<std::unique_ptr<class MetalTextureSA>> m_SATexs;
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std::vector<std::unique_ptr<class MetalTextureD>> m_DTexs;
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std::vector<std::unique_ptr<class MetalTextureR>> m_RTexs;
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std::vector<std::unique_ptr<struct MetalVertexFormat>> m_VFmts;
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};
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#define MTL_STATIC MTLResourceCPUCacheModeWriteCombined|MTLResourceStorageModeShared
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#define MTL_DYNAMIC MTLResourceCPUCacheModeWriteCombined|MTLResourceStorageModeShared
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class MetalGraphicsBufferS : public IGraphicsBufferS
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{
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friend class MetalDataFactory;
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friend struct MetalCommandQueue;
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MetalGraphicsBufferS(BufferUse use, MetalContext* ctx, const void* data, size_t stride, size_t count)
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: m_stride(stride), m_count(count), m_sz(stride * count)
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{
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m_buf = [ctx->m_dev newBufferWithBytes:data length:m_sz options:MTL_STATIC];
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}
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public:
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size_t m_stride;
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size_t m_count;
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size_t m_sz;
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id<MTLBuffer> m_buf;
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~MetalGraphicsBufferS() = default;
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};
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class MetalGraphicsBufferD : public IGraphicsBufferD
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{
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friend class MetalDataFactory;
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friend struct MetalCommandQueue;
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MetalCommandQueue* m_q;
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std::unique_ptr<uint8_t[]> m_cpuBuf;
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int m_validSlots = 0;
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MetalGraphicsBufferD(MetalCommandQueue* q, BufferUse use, MetalContext* ctx, size_t stride, size_t count)
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: m_q(q), m_stride(stride), m_count(count), m_sz(stride * count)
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{
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m_cpuBuf.reset(new uint8_t[m_sz]);
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m_bufs[0] = [ctx->m_dev newBufferWithLength:m_sz options:MTL_DYNAMIC];
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m_bufs[1] = [ctx->m_dev newBufferWithLength:m_sz options:MTL_DYNAMIC];
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}
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void update(int b);
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public:
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size_t m_stride;
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size_t m_count;
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size_t m_sz;
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id<MTLBuffer> m_bufs[2];
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MetalGraphicsBufferD() = default;
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void load(const void* data, size_t sz);
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void* map(size_t sz);
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void unmap();
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};
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class MetalTextureS : public ITextureS
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{
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friend class MetalDataFactory;
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MetalTextureS(MetalContext* ctx, size_t width, size_t height, size_t mips,
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TextureFormat fmt, const void* data, size_t sz)
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{
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MTLPixelFormat pfmt = MTLPixelFormatRGBA8Unorm;
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NSUInteger ppitchNum = 4;
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NSUInteger ppitchDenom = 1;
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switch (fmt)
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{
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case TextureFormat::I8:
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pfmt = MTLPixelFormatR8Unorm;
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ppitchNum = 1;
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break;
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case TextureFormat::DXT1:
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pfmt = MTLPixelFormatBC1_RGBA;
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ppitchNum = 1;
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ppitchDenom = 2;
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default: break;
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}
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@autoreleasepool
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{
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MTLTextureDescriptor* desc =
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[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:pfmt
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width:width height:height
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mipmapped:(mips>1)?YES:NO];
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desc.usage = MTLTextureUsageShaderRead;
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desc.mipmapLevelCount = mips;
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m_tex = [ctx->m_dev newTextureWithDescriptor:desc];
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const uint8_t* dataIt = reinterpret_cast<const uint8_t*>(data);
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for (size_t i=0 ; i<mips ; ++i)
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{
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[m_tex replaceRegion:MTLRegionMake2D(0, 0, width, height)
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mipmapLevel:i
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withBytes:dataIt
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bytesPerRow:width * ppitchNum / ppitchDenom];
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dataIt += width * height * ppitchNum / ppitchDenom;
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width /= 2;
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height /= 2;
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}
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}
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}
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public:
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id<MTLTexture> m_tex;
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~MetalTextureS() = default;
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};
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class MetalTextureSA : public ITextureSA
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{
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friend class MetalDataFactory;
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MetalTextureSA(MetalContext* ctx, size_t width, size_t height, size_t layers,
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TextureFormat fmt, const void* data, size_t sz)
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{
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MTLPixelFormat pfmt = MTLPixelFormatRGBA8Unorm;
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NSUInteger ppitch = 4;
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switch (fmt)
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{
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case TextureFormat::I8:
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pfmt = MTLPixelFormatR8Unorm;
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ppitch = 1;
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break;
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default: break;
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}
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@autoreleasepool
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{
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MTLTextureDescriptor* desc =
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[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:pfmt
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width:width height:height
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mipmapped:NO];
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desc.textureType = MTLTextureType2DArray;
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desc.arrayLength = layers;
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desc.usage = MTLTextureUsageShaderRead;
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m_tex = [ctx->m_dev newTextureWithDescriptor:desc];
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const uint8_t* dataIt = reinterpret_cast<const uint8_t*>(data);
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for (size_t i=0 ; i<layers ; ++i)
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{
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[m_tex replaceRegion:MTLRegionMake2D(0, 0, width, height)
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mipmapLevel:0
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slice:i
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withBytes:dataIt
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bytesPerRow:width * ppitch
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bytesPerImage:width * height * ppitch];
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dataIt += width * height * ppitch;
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}
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}
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}
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public:
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id<MTLTexture> m_tex;
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~MetalTextureSA() = default;
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};
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class MetalTextureD : public ITextureD
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{
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friend class MetalDataFactory;
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friend struct MetalCommandQueue;
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MetalCommandQueue* m_q;
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size_t m_width = 0;
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size_t m_height = 0;
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std::unique_ptr<uint8_t[]> m_cpuBuf;
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size_t m_cpuSz;
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size_t m_pxPitch;
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int m_validSlots = 0;
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MetalTextureD(MetalCommandQueue* q, MetalContext* ctx, size_t width, size_t height, TextureFormat fmt)
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: m_q(q), m_width(width), m_height(height)
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{
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MTLPixelFormat format;
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switch (fmt)
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{
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case TextureFormat::RGBA8:
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format = MTLPixelFormatRGBA8Unorm;
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m_pxPitch = 4;
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break;
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case TextureFormat::I8:
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format = MTLPixelFormatR8Unorm;
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m_pxPitch = 1;
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break;
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default:
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Log.report(logvisor::Fatal, "unsupported tex format");
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}
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m_cpuSz = width * height * m_pxPitch;
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m_cpuBuf.reset(new uint8_t[m_cpuSz]);
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@autoreleasepool
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{
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MTLTextureDescriptor* desc =
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[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:format
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width:width height:height
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mipmapped:NO];
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desc.usage = MTLTextureUsageShaderRead;
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m_texs[0] = [ctx->m_dev newTextureWithDescriptor:desc];
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m_texs[1] = [ctx->m_dev newTextureWithDescriptor:desc];
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}
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}
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void update(int b);
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public:
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id<MTLTexture> m_texs[2];
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~MetalTextureD() = default;
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void load(const void* data, size_t sz);
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void* map(size_t sz);
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void unmap();
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};
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class MetalTextureR : public ITextureR
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{
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friend class MetalDataFactory;
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friend struct MetalCommandQueue;
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size_t m_width = 0;
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size_t m_height = 0;
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size_t m_samples = 0;
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bool m_enableShaderBindTexture;
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void Setup(MetalContext* ctx, size_t width, size_t height, size_t samples,
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bool enableShaderBindTexture)
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{
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@autoreleasepool
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{
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MTLTextureDescriptor* desc =
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[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:MTLPixelFormatBGRA8Unorm
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width:width height:height
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mipmapped:NO];
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desc.storageMode = MTLStorageModePrivate;
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if (samples > 1)
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{
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desc.textureType = MTLTextureType2DMultisample;
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desc.sampleCount = samples;
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desc.usage = MTLTextureUsageRenderTarget;
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m_colorTex = [ctx->m_dev newTextureWithDescriptor:desc];
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if (enableShaderBindTexture)
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{
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desc.usage = MTLTextureUsageShaderRead;
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m_colorBindTex = [ctx->m_dev newTextureWithDescriptor:desc];
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}
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desc.usage = MTLTextureUsageRenderTarget;
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desc.pixelFormat = MTLPixelFormatDepth32Float;
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m_depthTex = [ctx->m_dev newTextureWithDescriptor:desc];
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}
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else
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{
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desc.textureType = MTLTextureType2D;
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desc.sampleCount = 1;
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desc.usage = MTLTextureUsageRenderTarget;
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m_colorTex = [ctx->m_dev newTextureWithDescriptor:desc];
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if (enableShaderBindTexture)
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{
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desc.usage = MTLTextureUsageShaderRead;
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m_colorBindTex = [ctx->m_dev newTextureWithDescriptor:desc];
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}
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desc.usage = MTLTextureUsageRenderTarget;
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desc.pixelFormat = MTLPixelFormatDepth32Float;
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m_depthTex = [ctx->m_dev newTextureWithDescriptor:desc];
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}
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{
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m_passDesc = [MTLRenderPassDescriptor renderPassDescriptor];
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m_passDesc.colorAttachments[0].texture = m_colorTex;
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m_passDesc.colorAttachments[0].loadAction = MTLLoadActionLoad;
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m_passDesc.colorAttachments[0].storeAction = MTLStoreActionStore;
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m_passDesc.depthAttachment.texture = m_depthTex;
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m_passDesc.depthAttachment.loadAction = MTLLoadActionLoad;
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m_passDesc.depthAttachment.storeAction = MTLStoreActionStore;
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m_passDesc.depthAttachment.clearDepth = 0.f;
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}
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{
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m_clearDepthPassDesc = [MTLRenderPassDescriptor renderPassDescriptor];
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m_clearDepthPassDesc.colorAttachments[0].texture = m_colorTex;
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m_clearDepthPassDesc.colorAttachments[0].loadAction = MTLLoadActionLoad;
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m_clearDepthPassDesc.colorAttachments[0].storeAction = MTLStoreActionStore;
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m_clearDepthPassDesc.depthAttachment.texture = m_depthTex;
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m_clearDepthPassDesc.depthAttachment.loadAction = MTLLoadActionClear;
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m_clearDepthPassDesc.depthAttachment.storeAction = MTLStoreActionStore;
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m_clearDepthPassDesc.depthAttachment.clearDepth = 0.f;
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}
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{
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m_clearColorPassDesc = [MTLRenderPassDescriptor renderPassDescriptor];
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m_clearColorPassDesc.colorAttachments[0].texture = m_colorTex;
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m_clearColorPassDesc.colorAttachments[0].loadAction = MTLLoadActionClear;
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m_clearColorPassDesc.colorAttachments[0].storeAction = MTLStoreActionStore;
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m_clearColorPassDesc.depthAttachment.texture = m_depthTex;
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m_clearColorPassDesc.depthAttachment.loadAction = MTLLoadActionLoad;
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m_clearColorPassDesc.depthAttachment.storeAction = MTLStoreActionStore;
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m_clearColorPassDesc.depthAttachment.clearDepth = 0.f;
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}
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{
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m_clearBothPassDesc = [MTLRenderPassDescriptor renderPassDescriptor];
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m_clearBothPassDesc.colorAttachments[0].texture = m_colorTex;
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m_clearBothPassDesc.colorAttachments[0].loadAction = MTLLoadActionClear;
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m_clearBothPassDesc.colorAttachments[0].storeAction = MTLStoreActionStore;
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m_clearBothPassDesc.depthAttachment.texture = m_depthTex;
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m_clearBothPassDesc.depthAttachment.loadAction = MTLLoadActionClear;
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m_clearBothPassDesc.depthAttachment.storeAction = MTLStoreActionStore;
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m_clearBothPassDesc.depthAttachment.clearDepth = 0.f;
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}
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}
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}
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MetalTextureR(MetalContext* ctx, size_t width, size_t height, size_t samples,
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bool enableShaderBindTexture)
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: m_width(width), m_height(height), m_samples(samples), m_enableShaderBindTexture(enableShaderBindTexture)
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{
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if (samples == 0) m_samples = 1;
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Setup(ctx, width, height, samples, enableShaderBindTexture);
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}
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public:
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size_t samples() const {return m_samples;}
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id<MTLTexture> m_colorTex;
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id<MTLTexture> m_depthTex;
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id<MTLTexture> m_colorBindTex;
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MTLRenderPassDescriptor* m_passDesc;
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MTLRenderPassDescriptor* m_clearDepthPassDesc;
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MTLRenderPassDescriptor* m_clearColorPassDesc;
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MTLRenderPassDescriptor* m_clearBothPassDesc;
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~MetalTextureR() = default;
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void resize(MetalContext* ctx, size_t width, size_t height)
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{
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if (width < 1)
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width = 1;
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if (height < 1)
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height = 1;
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m_width = width;
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m_height = height;
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Setup(ctx, width, height, m_samples, m_enableShaderBindTexture);
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}
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};
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static const size_t SEMANTIC_SIZE_TABLE[] =
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{
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0,
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12,
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16,
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12,
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16,
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16,
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4,
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8,
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16,
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16,
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16
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};
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static const MTLVertexFormat SEMANTIC_TYPE_TABLE[] =
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{
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MTLVertexFormatInvalid,
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MTLVertexFormatFloat3,
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MTLVertexFormatFloat4,
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MTLVertexFormatFloat3,
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MTLVertexFormatFloat4,
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MTLVertexFormatFloat4,
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MTLVertexFormatUChar4Normalized,
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MTLVertexFormatFloat2,
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MTLVertexFormatFloat4,
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MTLVertexFormatFloat4,
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MTLVertexFormatFloat4
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};
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struct MetalVertexFormat : IVertexFormat
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{
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size_t m_elementCount;
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MTLVertexDescriptor* m_vdesc;
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MetalVertexFormat(size_t elementCount, const VertexElementDescriptor* elements)
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: m_elementCount(elementCount)
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{
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size_t stride = 0;
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size_t instStride = 0;
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for (size_t i=0 ; i<elementCount ; ++i)
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{
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const VertexElementDescriptor* elemin = &elements[i];
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int semantic = int(elemin->semantic & VertexSemantic::SemanticMask);
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if ((elemin->semantic & VertexSemantic::Instanced) != VertexSemantic::None)
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instStride += SEMANTIC_SIZE_TABLE[semantic];
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else
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stride += SEMANTIC_SIZE_TABLE[semantic];
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}
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m_vdesc = [MTLVertexDescriptor vertexDescriptor];
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MTLVertexBufferLayoutDescriptor* layoutDesc = m_vdesc.layouts[0];
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layoutDesc.stride = stride;
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layoutDesc.stepFunction = MTLVertexStepFunctionPerVertex;
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layoutDesc.stepRate = 1;
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layoutDesc = m_vdesc.layouts[1];
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layoutDesc.stride = instStride;
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layoutDesc.stepFunction = MTLVertexStepFunctionPerInstance;
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layoutDesc.stepRate = 1;
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size_t offset = 0;
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size_t instOffset = 0;
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for (size_t i=0 ; i<elementCount ; ++i)
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{
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const VertexElementDescriptor* elemin = &elements[i];
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MTLVertexAttributeDescriptor* attrDesc = m_vdesc.attributes[i];
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int semantic = int(elemin->semantic & VertexSemantic::SemanticMask);
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if ((elemin->semantic & VertexSemantic::Instanced) != VertexSemantic::None)
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{
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attrDesc.offset = instOffset;
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attrDesc.bufferIndex = 1;
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instOffset += SEMANTIC_SIZE_TABLE[semantic];
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}
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else
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{
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attrDesc.offset = offset;
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attrDesc.bufferIndex = 0;
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offset += SEMANTIC_SIZE_TABLE[semantic];
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}
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attrDesc.format = SEMANTIC_TYPE_TABLE[semantic];
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}
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}
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};
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static const MTLBlendFactor BLEND_FACTOR_TABLE[] =
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{
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MTLBlendFactorZero,
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MTLBlendFactorOne,
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MTLBlendFactorSourceColor,
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MTLBlendFactorOneMinusSourceColor,
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MTLBlendFactorDestinationColor,
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MTLBlendFactorOneMinusDestinationColor,
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MTLBlendFactorSourceAlpha,
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MTLBlendFactorOneMinusSourceAlpha,
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MTLBlendFactorDestinationAlpha,
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MTLBlendFactorOneMinusDestinationAlpha
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};
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static const MTLPrimitiveType PRIMITIVE_TABLE[] =
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{
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MTLPrimitiveTypeTriangle,
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MTLPrimitiveTypeTriangleStrip
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};
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class MetalShaderPipeline : public IShaderPipeline
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{
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friend class MetalDataFactory;
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friend class MetalCommandQueue;
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MTLCullMode m_cullMode = MTLCullModeNone;
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MTLPrimitiveType m_drawPrim;
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MetalShaderPipeline(MetalContext* ctx, id<MTLFunction> vert, id<MTLFunction> frag,
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const MetalVertexFormat* vtxFmt, NSUInteger targetSamples,
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BlendFactor srcFac, BlendFactor dstFac, Primitive prim,
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bool depthTest, bool depthWrite, bool backfaceCulling)
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: m_drawPrim(PRIMITIVE_TABLE[int(prim)])
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{
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if (backfaceCulling)
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m_cullMode = MTLCullModeBack;
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MTLRenderPipelineDescriptor* desc = [MTLRenderPipelineDescriptor new];
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desc.vertexFunction = vert;
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desc.fragmentFunction = frag;
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desc.vertexDescriptor = vtxFmt->m_vdesc;
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desc.sampleCount = targetSamples;
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desc.colorAttachments[0].pixelFormat = MTLPixelFormatBGRA8Unorm;
|
|
desc.colorAttachments[0].blendingEnabled = dstFac != BlendFactor::Zero;
|
|
desc.colorAttachments[0].sourceRGBBlendFactor = BLEND_FACTOR_TABLE[int(srcFac)];
|
|
desc.colorAttachments[0].destinationRGBBlendFactor = BLEND_FACTOR_TABLE[int(dstFac)];
|
|
desc.depthAttachmentPixelFormat = MTLPixelFormatDepth32Float;
|
|
desc.inputPrimitiveTopology = MTLPrimitiveTopologyClassTriangle;
|
|
NSError* err = nullptr;
|
|
m_state = [ctx->m_dev newRenderPipelineStateWithDescriptor:desc error:&err];
|
|
if (err)
|
|
Log.report(logvisor::Fatal, "error making shader pipeline: %s",
|
|
[[err localizedDescription] UTF8String]);
|
|
|
|
MTLDepthStencilDescriptor* dsDesc = [MTLDepthStencilDescriptor new];
|
|
if (depthTest)
|
|
dsDesc.depthCompareFunction = MTLCompareFunctionGreater;
|
|
dsDesc.depthWriteEnabled = depthWrite;
|
|
m_dsState = [ctx->m_dev newDepthStencilStateWithDescriptor:dsDesc];
|
|
}
|
|
public:
|
|
id<MTLRenderPipelineState> m_state;
|
|
id<MTLDepthStencilState> m_dsState;
|
|
~MetalShaderPipeline() = default;
|
|
MetalShaderPipeline& operator=(const MetalShaderPipeline&) = delete;
|
|
MetalShaderPipeline(const MetalShaderPipeline&) = delete;
|
|
|
|
void bind(id<MTLRenderCommandEncoder> enc)
|
|
{
|
|
[enc setRenderPipelineState:m_state];
|
|
[enc setDepthStencilState:m_dsState];
|
|
[enc setCullMode:m_cullMode];
|
|
}
|
|
};
|
|
|
|
static id<MTLBuffer> GetBufferGPUResource(const IGraphicsBuffer* buf, int idx)
|
|
{
|
|
if (buf->dynamic())
|
|
{
|
|
const MetalGraphicsBufferD* cbuf = static_cast<const MetalGraphicsBufferD*>(buf);
|
|
return cbuf->m_bufs[idx];
|
|
}
|
|
else
|
|
{
|
|
const MetalGraphicsBufferS* cbuf = static_cast<const MetalGraphicsBufferS*>(buf);
|
|
return cbuf->m_buf;
|
|
}
|
|
}
|
|
|
|
static id<MTLTexture> GetTextureGPUResource(const ITexture* tex, int idx)
|
|
{
|
|
switch (tex->type())
|
|
{
|
|
case TextureType::Dynamic:
|
|
{
|
|
const MetalTextureD* ctex = static_cast<const MetalTextureD*>(tex);
|
|
return ctex->m_texs[idx];
|
|
}
|
|
case TextureType::Static:
|
|
{
|
|
const MetalTextureS* ctex = static_cast<const MetalTextureS*>(tex);
|
|
return ctex->m_tex;
|
|
}
|
|
case TextureType::StaticArray:
|
|
{
|
|
const MetalTextureSA* ctex = static_cast<const MetalTextureSA*>(tex);
|
|
return ctex->m_tex;
|
|
}
|
|
case TextureType::Render:
|
|
{
|
|
const MetalTextureR* ctex = static_cast<const MetalTextureR*>(tex);
|
|
return ctex->m_colorBindTex;
|
|
}
|
|
default: break;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
struct MetalShaderDataBinding : IShaderDataBinding
|
|
{
|
|
MetalShaderPipeline* m_pipeline;
|
|
IGraphicsBuffer* m_vbuf;
|
|
IGraphicsBuffer* m_instVbo;
|
|
IGraphicsBuffer* m_ibuf;
|
|
size_t m_ubufCount;
|
|
std::unique_ptr<IGraphicsBuffer*[]> m_ubufs;
|
|
std::vector<std::pair<size_t, bool>> m_ubufOffs;
|
|
size_t m_texCount;
|
|
std::unique_ptr<ITexture*[]> m_texs;
|
|
MetalShaderDataBinding(MetalContext* ctx,
|
|
IShaderPipeline* pipeline,
|
|
IGraphicsBuffer* vbuf, IGraphicsBuffer* instVbo, IGraphicsBuffer* ibuf,
|
|
size_t ubufCount, IGraphicsBuffer** ubufs, const PipelineStage* ubufStages,
|
|
const size_t* ubufOffs, const size_t* ubufSizes,
|
|
size_t texCount, ITexture** texs)
|
|
: m_pipeline(static_cast<MetalShaderPipeline*>(pipeline)),
|
|
m_vbuf(vbuf),
|
|
m_instVbo(instVbo),
|
|
m_ibuf(ibuf),
|
|
m_ubufCount(ubufCount),
|
|
m_ubufs(new IGraphicsBuffer*[ubufCount]),
|
|
m_texCount(texCount),
|
|
m_texs(new ITexture*[texCount])
|
|
{
|
|
if (ubufOffs && ubufSizes)
|
|
{
|
|
m_ubufOffs.reserve(ubufCount);
|
|
for (size_t i=0 ; i<ubufCount ; ++i)
|
|
{
|
|
#ifndef NDEBUG
|
|
if (ubufOffs[i] % 256)
|
|
Log.report(logvisor::Fatal, "non-256-byte-aligned uniform-offset %d provided to newShaderDataBinding", int(i));
|
|
#endif
|
|
m_ubufOffs.push_back({ubufOffs[i], ubufStages && ubufStages[i] == PipelineStage::Fragment});
|
|
}
|
|
}
|
|
for (size_t i=0 ; i<ubufCount ; ++i)
|
|
{
|
|
#ifndef NDEBUG
|
|
if (!ubufs[i])
|
|
Log.report(logvisor::Fatal, "null uniform-buffer %d provided to newShaderDataBinding", int(i));
|
|
#endif
|
|
m_ubufs[i] = ubufs[i];
|
|
}
|
|
for (size_t i=0 ; i<texCount ; ++i)
|
|
{
|
|
#ifndef NDEBUG
|
|
if (!texs[i])
|
|
Log.report(logvisor::Fatal, "null texture %d provided to newShaderDataBinding", int(i));
|
|
#endif
|
|
m_texs[i] = texs[i];
|
|
}
|
|
}
|
|
|
|
void bind(id<MTLRenderCommandEncoder> enc, int b)
|
|
{
|
|
m_pipeline->bind(enc);
|
|
if (m_vbuf)
|
|
[enc setVertexBuffer:GetBufferGPUResource(m_vbuf, b) offset:0 atIndex:0];
|
|
if (m_instVbo)
|
|
[enc setVertexBuffer:GetBufferGPUResource(m_instVbo, b) offset:0 atIndex:1];
|
|
if (m_ubufOffs.size())
|
|
for (size_t i=0 ; i<m_ubufCount ; ++i)
|
|
if (m_ubufOffs[i].second)
|
|
[enc setFragmentBuffer:GetBufferGPUResource(m_ubufs[i], b) offset:m_ubufOffs[i].first atIndex:i+2];
|
|
else
|
|
[enc setVertexBuffer:GetBufferGPUResource(m_ubufs[i], b) offset:m_ubufOffs[i].first atIndex:i+2];
|
|
else
|
|
for (size_t i=0 ; i<m_ubufCount ; ++i)
|
|
[enc setVertexBuffer:GetBufferGPUResource(m_ubufs[i], b) offset:0 atIndex:i+2];
|
|
for (size_t i=0 ; i<m_texCount ; ++i)
|
|
[enc setFragmentTexture:GetTextureGPUResource(m_texs[i], b) atIndex:i];
|
|
}
|
|
};
|
|
|
|
struct MetalCommandQueue : IGraphicsCommandQueue
|
|
{
|
|
Platform platform() const {return IGraphicsDataFactory::Platform::Metal;}
|
|
const char* platformName() const {return "Metal";}
|
|
MetalContext* m_ctx;
|
|
IWindow* m_parentWindow;
|
|
IGraphicsContext* m_parent;
|
|
id<MTLCommandBuffer> m_cmdBuf;
|
|
id<MTLRenderCommandEncoder> m_enc;
|
|
bool m_running = true;
|
|
|
|
size_t m_fillBuf = 0;
|
|
size_t m_drawBuf = 0;
|
|
|
|
MetalCommandQueue(MetalContext* ctx, IWindow* parentWindow, IGraphicsContext* parent)
|
|
: m_ctx(ctx), m_parentWindow(parentWindow), m_parent(parent)
|
|
{
|
|
@autoreleasepool
|
|
{
|
|
m_cmdBuf = [ctx->m_q commandBuffer];
|
|
}
|
|
}
|
|
|
|
void stopRenderer()
|
|
{
|
|
m_running = false;
|
|
if (m_inProgress)
|
|
[m_cmdBuf waitUntilCompleted];
|
|
}
|
|
|
|
~MetalCommandQueue()
|
|
{
|
|
if (m_running) stopRenderer();
|
|
}
|
|
|
|
MetalShaderDataBinding* m_boundData = nullptr;
|
|
MTLPrimitiveType m_currentPrimitive = MTLPrimitiveTypeTriangle;
|
|
void setShaderDataBinding(IShaderDataBinding* binding)
|
|
{
|
|
MetalShaderDataBinding* cbind = static_cast<MetalShaderDataBinding*>(binding);
|
|
cbind->bind(m_enc, m_fillBuf);
|
|
m_boundData = cbind;
|
|
m_currentPrimitive = cbind->m_pipeline->m_drawPrim;
|
|
}
|
|
|
|
MetalTextureR* m_boundTarget = nullptr;
|
|
void _setRenderTarget(ITextureR* target, bool clearColor, bool clearDepth)
|
|
{
|
|
MetalTextureR* ctarget = static_cast<MetalTextureR*>(target);
|
|
[m_enc endEncoding];
|
|
@autoreleasepool
|
|
{
|
|
if (clearColor && clearDepth)
|
|
m_enc = [m_cmdBuf renderCommandEncoderWithDescriptor:ctarget->m_clearBothPassDesc];
|
|
else if (clearColor)
|
|
m_enc = [m_cmdBuf renderCommandEncoderWithDescriptor:ctarget->m_clearColorPassDesc];
|
|
else if (clearDepth)
|
|
m_enc = [m_cmdBuf renderCommandEncoderWithDescriptor:ctarget->m_clearDepthPassDesc];
|
|
else
|
|
m_enc = [m_cmdBuf renderCommandEncoderWithDescriptor:ctarget->m_passDesc];
|
|
[m_enc setFrontFacingWinding:MTLWindingCounterClockwise];
|
|
}
|
|
m_boundTarget = ctarget;
|
|
}
|
|
|
|
void setRenderTarget(ITextureR* target)
|
|
{
|
|
_setRenderTarget(target, false, false);
|
|
}
|
|
|
|
void setViewport(const SWindowRect& rect)
|
|
{
|
|
MTLViewport vp = {double(rect.location[0]), double(rect.location[1]),
|
|
double(rect.size[0]), double(rect.size[1]), 0.0, 1.0};
|
|
[m_enc setViewport:vp];
|
|
}
|
|
|
|
void setScissor(const SWindowRect& rect)
|
|
{
|
|
if (m_boundTarget)
|
|
{
|
|
SWindowRect intersectRect = rect.intersect(SWindowRect(0, 0, m_boundTarget->m_width, m_boundTarget->m_height));
|
|
MTLScissorRect scissor = {NSUInteger(intersectRect.location[0]),
|
|
NSUInteger(m_boundTarget->m_height - intersectRect.location[1] - intersectRect.size[1]),
|
|
NSUInteger(intersectRect.size[0]), NSUInteger(intersectRect.size[1])};
|
|
[m_enc setScissorRect:scissor];
|
|
}
|
|
}
|
|
|
|
std::unordered_map<MetalTextureR*, std::pair<size_t, size_t>> m_texResizes;
|
|
void resizeRenderTexture(ITextureR* tex, size_t width, size_t height)
|
|
{
|
|
MetalTextureR* ctex = static_cast<MetalTextureR*>(tex);
|
|
m_texResizes[ctex] = std::make_pair(width, height);
|
|
}
|
|
|
|
void schedulePostFrameHandler(std::function<void(void)>&& func)
|
|
{
|
|
func();
|
|
}
|
|
|
|
void flushBufferUpdates() {}
|
|
|
|
float m_clearColor[4] = {0.0,0.0,0.0,1.0};
|
|
void setClearColor(const float rgba[4])
|
|
{
|
|
m_clearColor[0] = rgba[0];
|
|
m_clearColor[1] = rgba[1];
|
|
m_clearColor[2] = rgba[2];
|
|
m_clearColor[3] = rgba[3];
|
|
}
|
|
|
|
void clearTarget(bool render=true, bool depth=true)
|
|
{
|
|
if (!m_boundTarget)
|
|
return;
|
|
_setRenderTarget(m_boundTarget, render, depth);
|
|
}
|
|
|
|
void draw(size_t start, size_t count)
|
|
{
|
|
[m_enc drawPrimitives:m_currentPrimitive vertexStart:start vertexCount:count];
|
|
}
|
|
|
|
void drawIndexed(size_t start, size_t count)
|
|
{
|
|
[m_enc drawIndexedPrimitives:m_currentPrimitive
|
|
indexCount:count
|
|
indexType:MTLIndexTypeUInt32
|
|
indexBuffer:GetBufferGPUResource(m_boundData->m_ibuf, m_fillBuf)
|
|
indexBufferOffset:start*4];
|
|
}
|
|
|
|
void drawInstances(size_t start, size_t count, size_t instCount)
|
|
{
|
|
[m_enc drawPrimitives:m_currentPrimitive
|
|
vertexStart:start vertexCount:count instanceCount:instCount];
|
|
}
|
|
|
|
void drawInstancesIndexed(size_t start, size_t count, size_t instCount)
|
|
{
|
|
[m_enc drawIndexedPrimitives:m_currentPrimitive
|
|
indexCount:count
|
|
indexType:MTLIndexTypeUInt32
|
|
indexBuffer:GetBufferGPUResource(m_boundData->m_ibuf, m_fillBuf)
|
|
indexBufferOffset:start*4
|
|
instanceCount:instCount];
|
|
}
|
|
|
|
void resolveBindTexture(ITextureR* texture, const SWindowRect& rect, bool tlOrigin, bool color, bool depth)
|
|
{
|
|
MetalTextureR* tex = static_cast<MetalTextureR*>(texture);
|
|
if (color && tex->m_enableShaderBindTexture)
|
|
{
|
|
[m_enc endEncoding];
|
|
@autoreleasepool
|
|
{
|
|
SWindowRect intersectRect = rect.intersect(SWindowRect(0, 0, tex->m_width, tex->m_height));
|
|
NSUInteger y = tlOrigin ? intersectRect.location[1] : int(tex->m_height) - intersectRect.location[1] - intersectRect.size[1];
|
|
MTLOrigin origin = {NSUInteger(intersectRect.location[0]), y, 0};
|
|
id<MTLBlitCommandEncoder> blitEnc = [m_cmdBuf blitCommandEncoder];
|
|
[blitEnc copyFromTexture:tex->m_colorTex
|
|
sourceSlice:0
|
|
sourceLevel:0
|
|
sourceOrigin:origin
|
|
sourceSize:MTLSizeMake(intersectRect.size[0], intersectRect.size[1], 1)
|
|
toTexture:tex->m_colorBindTex
|
|
destinationSlice:0
|
|
destinationLevel:0
|
|
destinationOrigin:origin];
|
|
[blitEnc endEncoding];
|
|
m_enc = [m_cmdBuf renderCommandEncoderWithDescriptor:tex->m_passDesc];
|
|
[m_enc setFrontFacingWinding:MTLWindingCounterClockwise];
|
|
}
|
|
}
|
|
}
|
|
|
|
MetalTextureR* m_needsDisplay = nullptr;
|
|
void resolveDisplay(ITextureR* source)
|
|
{
|
|
m_needsDisplay = static_cast<MetalTextureR*>(source);
|
|
}
|
|
|
|
bool m_inProgress = false;
|
|
void execute()
|
|
{
|
|
if (!m_running)
|
|
return;
|
|
|
|
/* Update dynamic data here */
|
|
MetalDataFactory* gfxF = static_cast<MetalDataFactory*>(m_parent->getDataFactory());
|
|
std::unique_lock<std::mutex> datalk(gfxF->m_committedMutex);
|
|
for (MetalData* d : gfxF->m_committedData)
|
|
{
|
|
for (std::unique_ptr<MetalGraphicsBufferD>& b : d->m_DBufs)
|
|
b->update(m_fillBuf);
|
|
for (std::unique_ptr<MetalTextureD>& t : d->m_DTexs)
|
|
t->update(m_fillBuf);
|
|
}
|
|
datalk.unlock();
|
|
|
|
@autoreleasepool
|
|
{
|
|
[m_enc endEncoding];
|
|
m_enc = nullptr;
|
|
|
|
/* Abandon if in progress (renderer too slow) */
|
|
if (m_inProgress)
|
|
{
|
|
m_cmdBuf = [m_ctx->m_q commandBuffer];
|
|
return;
|
|
}
|
|
|
|
/* Perform texture resizes */
|
|
if (m_texResizes.size())
|
|
{
|
|
for (const auto& resize : m_texResizes)
|
|
resize.first->resize(m_ctx, resize.second.first, resize.second.second);
|
|
m_texResizes.clear();
|
|
m_cmdBuf = [m_ctx->m_q commandBuffer];
|
|
return;
|
|
}
|
|
|
|
/* Wrap up and present if needed */
|
|
if (m_needsDisplay)
|
|
{
|
|
MetalContext::Window& w = m_ctx->m_windows[m_parentWindow];
|
|
@autoreleasepool
|
|
{
|
|
{
|
|
std::unique_lock<std::mutex> lk(w.m_resizeLock);
|
|
if (w.m_needsResize)
|
|
{
|
|
w.m_metalLayer.drawableSize = w.m_size;
|
|
w.m_needsResize = NO;
|
|
m_needsDisplay = nullptr;
|
|
return;
|
|
}
|
|
}
|
|
id<CAMetalDrawable> drawable = [w.m_metalLayer nextDrawable];
|
|
if (drawable)
|
|
{
|
|
id<MTLTexture> dest = drawable.texture;
|
|
if (m_needsDisplay->m_colorTex.width == dest.width &&
|
|
m_needsDisplay->m_colorTex.height == dest.height)
|
|
{
|
|
id<MTLBlitCommandEncoder> blitEnc = [m_cmdBuf blitCommandEncoder];
|
|
[blitEnc copyFromTexture:m_needsDisplay->m_colorTex
|
|
sourceSlice:0
|
|
sourceLevel:0
|
|
sourceOrigin:MTLOriginMake(0, 0, 0)
|
|
sourceSize:MTLSizeMake(dest.width, dest.height, 1)
|
|
toTexture:dest
|
|
destinationSlice:0
|
|
destinationLevel:0
|
|
destinationOrigin:MTLOriginMake(0, 0, 0)];
|
|
[blitEnc endEncoding];
|
|
[m_cmdBuf presentDrawable:drawable];
|
|
}
|
|
}
|
|
}
|
|
m_needsDisplay = nullptr;
|
|
}
|
|
|
|
m_drawBuf = m_fillBuf;
|
|
m_fillBuf ^= 1;
|
|
|
|
[m_cmdBuf addCompletedHandler:^(id<MTLCommandBuffer> buf) {m_inProgress = false;}];
|
|
m_inProgress = true;
|
|
[m_cmdBuf commit];
|
|
m_cmdBuf = [m_ctx->m_q commandBuffer];
|
|
}
|
|
}
|
|
};
|
|
|
|
void MetalGraphicsBufferD::update(int b)
|
|
{
|
|
int slot = 1 << b;
|
|
if ((slot & m_validSlots) == 0)
|
|
{
|
|
id<MTLBuffer> res = m_bufs[b];
|
|
memcpy(res.contents, m_cpuBuf.get(), m_sz);
|
|
m_validSlots |= slot;
|
|
}
|
|
}
|
|
void MetalGraphicsBufferD::load(const void* data, size_t sz)
|
|
{
|
|
size_t bufSz = std::min(sz, m_sz);
|
|
memcpy(m_cpuBuf.get(), data, bufSz);
|
|
m_validSlots = 0;
|
|
}
|
|
void* MetalGraphicsBufferD::map(size_t sz)
|
|
{
|
|
if (sz > m_sz)
|
|
return nullptr;
|
|
return m_cpuBuf.get();
|
|
}
|
|
void MetalGraphicsBufferD::unmap()
|
|
{
|
|
m_validSlots = 0;
|
|
}
|
|
|
|
void MetalTextureD::update(int b)
|
|
{
|
|
int slot = 1 << b;
|
|
if ((slot & m_validSlots) == 0)
|
|
{
|
|
id<MTLTexture> res = m_texs[b];
|
|
[res replaceRegion:MTLRegionMake2D(0, 0, m_width, m_height)
|
|
mipmapLevel:0 withBytes:m_cpuBuf.get() bytesPerRow:m_width*m_pxPitch];
|
|
m_validSlots |= slot;
|
|
}
|
|
}
|
|
void MetalTextureD::load(const void* data, size_t sz)
|
|
{
|
|
size_t bufSz = std::min(sz, m_cpuSz);
|
|
memcpy(m_cpuBuf.get(), data, bufSz);
|
|
m_validSlots = 0;
|
|
}
|
|
void* MetalTextureD::map(size_t sz)
|
|
{
|
|
if (sz > m_cpuSz)
|
|
return nullptr;
|
|
return m_cpuBuf.get();
|
|
}
|
|
void MetalTextureD::unmap()
|
|
{
|
|
m_validSlots = 0;
|
|
}
|
|
|
|
MetalDataFactory::MetalDataFactory(IGraphicsContext* parent, MetalContext* ctx, uint32_t sampleCount)
|
|
: m_parent(parent), m_ctx(ctx), m_sampleCount(sampleCount) {}
|
|
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IGraphicsBufferS* MetalDataFactory::Context::newStaticBuffer(BufferUse use, const void* data, size_t stride, size_t count)
|
|
{
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|
MetalGraphicsBufferS* retval = new MetalGraphicsBufferS(use, m_parent.m_ctx, data, stride, count);
|
|
m_deferredData->m_SBufs.emplace_back(retval);
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|
return retval;
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|
}
|
|
IGraphicsBufferD* MetalDataFactory::Context::newDynamicBuffer(BufferUse use, size_t stride, size_t count)
|
|
{
|
|
MetalCommandQueue* q = static_cast<MetalCommandQueue*>(m_parent.m_parent->getCommandQueue());
|
|
MetalGraphicsBufferD* retval = new MetalGraphicsBufferD(q, use, m_parent.m_ctx, stride, count);
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|
m_deferredData->m_DBufs.emplace_back(retval);
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|
return retval;
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|
}
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|
|
|
ITextureS* MetalDataFactory::Context::newStaticTexture(size_t width, size_t height, size_t mips, TextureFormat fmt,
|
|
const void* data, size_t sz)
|
|
{
|
|
MetalTextureS* retval = new MetalTextureS(m_parent.m_ctx, width, height, mips, fmt, data, sz);
|
|
m_deferredData->m_STexs.emplace_back(retval);
|
|
return retval;
|
|
}
|
|
ITextureSA* MetalDataFactory::Context::newStaticArrayTexture(size_t width, size_t height, size_t layers, TextureFormat fmt,
|
|
const void* data, size_t sz)
|
|
{
|
|
MetalTextureSA* retval = new MetalTextureSA(m_parent.m_ctx, width, height, layers, fmt, data, sz);
|
|
m_deferredData->m_SATexs.emplace_back(retval);
|
|
return retval;
|
|
}
|
|
ITextureD* MetalDataFactory::Context::newDynamicTexture(size_t width, size_t height, TextureFormat fmt)
|
|
{
|
|
MetalCommandQueue* q = static_cast<MetalCommandQueue*>(m_parent.m_parent->getCommandQueue());
|
|
MetalTextureD* retval = new MetalTextureD(q, m_parent.m_ctx, width, height, fmt);
|
|
m_deferredData->m_DTexs.emplace_back(retval);
|
|
return retval;
|
|
}
|
|
ITextureR* MetalDataFactory::Context::newRenderTexture(size_t width, size_t height,
|
|
bool enableShaderColorBinding, bool enableShaderDepthBinding)
|
|
{
|
|
MetalTextureR* retval = new MetalTextureR(m_parent.m_ctx, width, height, m_parent.m_sampleCount, enableShaderColorBinding);
|
|
m_deferredData->m_RTexs.emplace_back(retval);
|
|
return retval;
|
|
}
|
|
|
|
IVertexFormat* MetalDataFactory::Context::newVertexFormat(size_t elementCount, const VertexElementDescriptor* elements)
|
|
{
|
|
MetalVertexFormat* retval = new struct MetalVertexFormat(elementCount, elements);
|
|
m_deferredData->m_VFmts.emplace_back(retval);
|
|
return retval;
|
|
}
|
|
|
|
IShaderPipeline* MetalDataFactory::Context::newShaderPipeline(const char* vertSource, const char* fragSource,
|
|
IVertexFormat* vtxFmt, unsigned targetSamples,
|
|
BlendFactor srcFac, BlendFactor dstFac, Primitive prim,
|
|
bool depthTest, bool depthWrite, bool backfaceCulling)
|
|
{
|
|
MTLCompileOptions* compOpts = [MTLCompileOptions new];
|
|
compOpts.languageVersion = MTLLanguageVersion1_1;
|
|
NSError* err = nullptr;
|
|
|
|
id<MTLLibrary> vertShaderLib = [m_parent.m_ctx->m_dev newLibraryWithSource:@(vertSource)
|
|
options:compOpts
|
|
error:&err];
|
|
if (err)
|
|
Log.report(logvisor::Fatal, "error compiling vert shader: %s", [[err localizedDescription] UTF8String]);
|
|
id<MTLFunction> vertFunc = [vertShaderLib newFunctionWithName:@"vmain"];
|
|
|
|
id<MTLLibrary> fragShaderLib = [m_parent.m_ctx->m_dev newLibraryWithSource:@(fragSource)
|
|
options:compOpts
|
|
error:&err];
|
|
if (err)
|
|
Log.report(logvisor::Fatal, "error compiling frag shader: %s", [[err localizedDescription] UTF8String]);
|
|
id<MTLFunction> fragFunc = [fragShaderLib newFunctionWithName:@"fmain"];
|
|
|
|
MetalShaderPipeline* retval = new MetalShaderPipeline(m_parent.m_ctx, vertFunc, fragFunc,
|
|
static_cast<const MetalVertexFormat*>(vtxFmt), targetSamples,
|
|
srcFac, dstFac, prim, depthTest, depthWrite, backfaceCulling);
|
|
m_deferredData->m_SPs.emplace_back(retval);
|
|
return retval;
|
|
}
|
|
|
|
IShaderDataBinding*
|
|
MetalDataFactory::Context::newShaderDataBinding(IShaderPipeline* pipeline,
|
|
IVertexFormat* vtxFormat,
|
|
IGraphicsBuffer* vbuf, IGraphicsBuffer* instVbo, IGraphicsBuffer* ibuf,
|
|
size_t ubufCount, IGraphicsBuffer** ubufs, const PipelineStage* ubufStages,
|
|
const size_t* ubufOffs, const size_t* ubufSizes,
|
|
size_t texCount, ITexture** texs)
|
|
{
|
|
MetalShaderDataBinding* retval =
|
|
new MetalShaderDataBinding(m_parent.m_ctx, pipeline, vbuf, instVbo, ibuf,
|
|
ubufCount, ubufs, ubufStages, ubufOffs, ubufSizes, texCount, texs);
|
|
m_deferredData->m_SBinds.emplace_back(retval);
|
|
return retval;
|
|
}
|
|
|
|
GraphicsDataToken MetalDataFactory::commitTransaction(const FactoryCommitFunc& trans)
|
|
{
|
|
if (m_deferredData.get())
|
|
Log.report(logvisor::Fatal, "nested commitTransaction usage detected");
|
|
m_deferredData.reset(new MetalData());
|
|
|
|
MetalDataFactory::Context ctx(*this);
|
|
if (!trans(ctx))
|
|
{
|
|
delete m_deferredData.get();
|
|
m_deferredData.reset();
|
|
return GraphicsDataToken(this, nullptr);
|
|
}
|
|
|
|
std::unique_lock<std::mutex> lk(m_committedMutex);
|
|
MetalData* retval = m_deferredData.get();
|
|
m_deferredData.reset();
|
|
m_committedData.insert(retval);
|
|
return GraphicsDataToken(this, retval);
|
|
}
|
|
void MetalDataFactory::destroyData(IGraphicsData* d)
|
|
{
|
|
std::unique_lock<std::mutex> lk(m_committedMutex);
|
|
MetalData* data = static_cast<MetalData*>(d);
|
|
m_committedData.erase(data);
|
|
delete data;
|
|
}
|
|
void MetalDataFactory::destroyAllData()
|
|
{
|
|
std::unique_lock<std::mutex> lk(m_committedMutex);
|
|
for (IGraphicsData* data : m_committedData)
|
|
delete static_cast<MetalData*>(data);
|
|
m_committedData.clear();
|
|
}
|
|
|
|
IGraphicsCommandQueue* _NewMetalCommandQueue(MetalContext* ctx, IWindow* parentWindow,
|
|
IGraphicsContext* parent)
|
|
{
|
|
return new struct MetalCommandQueue(ctx, parentWindow, parent);
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|