boo/lib/graphicsdev/Metal.mm

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#include "../mac/CocoaCommon.hpp"
#if BOO_HAS_METAL
#include <LogVisor/LogVisor.hpp>
#include "boo/graphicsdev/Metal.hpp"
#include "boo/IGraphicsContext.hpp"
#include <vector>
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#if !__has_feature(objc_arc)
#error ARC Required
#endif
#define MAX_UNIFORM_COUNT 8
#define MAX_TEXTURE_COUNT 8
namespace boo
{
static LogVisor::LogModule 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
{
std::vector<std::unique_ptr<class MetalShaderPipeline>> m_SPs;
std::vector<std::unique_ptr<struct MetalShaderDataBinding>> m_SBinds;
std::vector<std::unique_ptr<class MetalGraphicsBufferS>> m_SBufs;
std::vector<std::unique_ptr<class MetalGraphicsBufferD>> m_DBufs;
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;
std::vector<std::unique_ptr<class MetalTextureR>> m_RTexs;
std::vector<std::unique_ptr<struct MetalVertexFormat>> m_VFmts;
};
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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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friend class MetalDataFactory;
friend struct MetalCommandQueue;
MetalGraphicsBufferS(BufferUse use, MetalContext* ctx, const void* data, size_t stride, size_t count)
: m_stride(stride), m_count(count), m_sz(stride * count)
{
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m_buf = [ctx->m_dev newBufferWithBytes:data length:m_sz options:MTL_STATIC];
}
public:
size_t m_stride;
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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class MetalGraphicsBufferD : public IGraphicsBufferD
{
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friend class MetalDataFactory;
friend struct MetalCommandQueue;
MetalCommandQueue* m_q;
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std::unique_ptr<uint8_t[]> m_cpuBuf;
int m_validSlots = 0;
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MetalGraphicsBufferD(MetalCommandQueue* q, BufferUse use, MetalContext* ctx, size_t stride, size_t count)
: m_q(q), m_stride(stride), m_count(count), m_sz(stride * count)
{
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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];
m_bufs[1] = [ctx->m_dev newBufferWithLength:m_sz options:MTL_DYNAMIC];
}
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void update(int b);
public:
size_t m_stride;
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);
void* map(size_t sz);
void unmap();
};
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class MetalTextureS : public ITextureS
{
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friend class MetalDataFactory;
MetalTextureS(MetalContext* ctx, size_t width, size_t height, size_t mips,
TextureFormat fmt, const void* data, size_t sz)
{
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MTLPixelFormat pfmt = MTLPixelFormatRGBA8Unorm;
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NSUInteger ppitchNum = 4;
NSUInteger ppitchDenom = 1;
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switch (fmt)
{
case TextureFormat::I8:
pfmt = MTLPixelFormatR8Unorm;
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ppitchNum = 1;
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break;
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case TextureFormat::DXT1:
pfmt = MTLPixelFormatBC1_RGBA;
ppitchNum = 1;
ppitchDenom = 2;
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default: break;
}
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@autoreleasepool
{
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MTLTextureDescriptor* desc =
[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:pfmt
width:width height:height
mipmapped:(mips>1)?YES:NO];
desc.usage = MTLTextureUsageShaderRead;
desc.mipmapLevelCount = mips;
m_tex = [ctx->m_dev newTextureWithDescriptor:desc];
const uint8_t* dataIt = reinterpret_cast<const uint8_t*>(data);
for (size_t i=0 ; i<mips ; ++i)
{
[m_tex replaceRegion:MTLRegionMake2D(0, 0, width, height)
mipmapLevel:i
withBytes:dataIt
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bytesPerRow:width * ppitchNum / ppitchDenom];
dataIt += width * height * ppitchNum / ppitchDenom;
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width /= 2;
height /= 2;
}
}
}
public:
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id<MTLTexture> m_tex;
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~MetalTextureS() = default;
};
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class MetalTextureSA : public ITextureSA
{
friend class MetalDataFactory;
MetalTextureSA(MetalContext* ctx, size_t width, size_t height, size_t layers,
TextureFormat fmt, const void* data, size_t sz)
{
MTLPixelFormat pfmt = MTLPixelFormatRGBA8Unorm;
NSUInteger ppitch = 4;
switch (fmt)
{
case TextureFormat::I8:
pfmt = MTLPixelFormatR8Unorm;
ppitch = 1;
break;
default: break;
}
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@autoreleasepool
{
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MTLTextureDescriptor* desc =
[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:pfmt
width:width height:height
mipmapped:NO];
desc.textureType = MTLTextureType2DArray;
desc.arrayLength = layers;
desc.usage = MTLTextureUsageShaderRead;
m_tex = [ctx->m_dev newTextureWithDescriptor:desc];
const uint8_t* dataIt = reinterpret_cast<const uint8_t*>(data);
for (size_t i=0 ; i<layers ; ++i)
{
[m_tex replaceRegion:MTLRegionMake2D(0, 0, width, height)
mipmapLevel:0
slice:i
withBytes:dataIt
bytesPerRow:width * ppitch
bytesPerImage:width * height * ppitch];
dataIt += width * height * ppitch;
}
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}
}
public:
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id<MTLTexture> m_tex;
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~MetalTextureSA() = default;
};
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class MetalTextureD : public ITextureD
{
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friend class MetalDataFactory;
friend struct MetalCommandQueue;
MetalCommandQueue* m_q;
size_t m_width = 0;
size_t m_height = 0;
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std::unique_ptr<uint8_t[]> m_cpuBuf;
size_t m_cpuSz;
size_t m_pxPitch;
int m_validSlots = 0;
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MetalTextureD(MetalCommandQueue* q, MetalContext* ctx, size_t width, size_t height, TextureFormat fmt)
: m_q(q), m_width(width), m_height(height)
{
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MTLPixelFormat format;
switch (fmt)
{
case TextureFormat::RGBA8:
format = MTLPixelFormatRGBA8Unorm;
m_pxPitch = 4;
break;
case TextureFormat::I8:
format = MTLPixelFormatR8Unorm;
m_pxPitch = 1;
break;
default:
Log.report(LogVisor::FatalError, "unsupported tex format");
}
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m_cpuSz = width * height * m_pxPitch;
m_cpuBuf.reset(new uint8_t[m_cpuSz]);
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@autoreleasepool
{
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MTLTextureDescriptor* desc =
[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:format
width:width height:height
mipmapped:NO];
desc.usage = MTLTextureUsageShaderRead;
m_texs[0] = [ctx->m_dev newTextureWithDescriptor:desc];
m_texs[1] = [ctx->m_dev newTextureWithDescriptor:desc];
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}
}
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void update(int b);
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);
void* map(size_t sz);
void unmap();
};
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class MetalTextureR : public ITextureR
{
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friend class MetalDataFactory;
friend struct MetalCommandQueue;
size_t m_width = 0;
size_t m_height = 0;
size_t m_samples = 0;
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void Setup(MetalContext* ctx, size_t width, size_t height, size_t samples)
{
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@autoreleasepool
{
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MTLTextureDescriptor* desc =
[MTLTextureDescriptor texture2DDescriptorWithPixelFormat:MTLPixelFormatBGRA8Unorm
width:width height:height
mipmapped:NO];
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m_passDesc = [MTLRenderPassDescriptor renderPassDescriptor];
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desc.usage = MTLTextureUsageRenderTarget | MTLTextureUsageShaderRead;
desc.storageMode = MTLStorageModePrivate;
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m_tex = [ctx->m_dev newTextureWithDescriptor:desc];
if (samples > 1)
{
desc.textureType = MTLTextureType2DMultisample;
desc.sampleCount = samples;
m_msaaTex = [ctx->m_dev newTextureWithDescriptor:desc];
desc.pixelFormat = MTLPixelFormatDepth32Float;
m_depthTex = [ctx->m_dev newTextureWithDescriptor:desc];
m_passDesc.colorAttachments[0].texture = m_msaaTex;
m_passDesc.colorAttachments[0].resolveTexture = m_tex;
m_passDesc.colorAttachments[0].loadAction = MTLLoadActionClear;
m_passDesc.colorAttachments[0].storeAction = MTLStoreActionMultisampleResolve;
m_passDesc.depthAttachment.texture = m_depthTex;
m_passDesc.depthAttachment.loadAction = MTLLoadActionClear;
m_passDesc.depthAttachment.storeAction = MTLStoreActionDontCare;
}
else
{
desc.pixelFormat = MTLPixelFormatDepth32Float;
m_depthTex = [ctx->m_dev newTextureWithDescriptor:desc];
m_passDesc.colorAttachments[0].texture = m_tex;
m_passDesc.colorAttachments[0].loadAction = MTLLoadActionClear;
m_passDesc.colorAttachments[0].storeAction = MTLStoreActionStore;
m_passDesc.depthAttachment.texture = m_depthTex;
m_passDesc.depthAttachment.loadAction = MTLLoadActionClear;
m_passDesc.depthAttachment.storeAction = MTLStoreActionDontCare;
}
}
}
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MetalTextureR(MetalContext* ctx, size_t width, size_t height, size_t samples)
: m_width(width), m_height(height), m_samples(samples)
{
if (samples == 0) m_samples = 1;
Setup(ctx, width, height, samples);
}
public:
size_t samples() const {return m_samples;}
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id<MTLTexture> m_tex;
id<MTLTexture> m_msaaTex;
id<MTLTexture> m_depthTex;
MTLRenderPassDescriptor* m_passDesc;
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~MetalTextureR() = default;
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void resize(MetalContext* ctx, size_t width, size_t height)
{
if (width < 1)
width = 1;
if (height < 1)
height = 1;
m_width = width;
m_height = height;
Setup(ctx, width, height, m_samples);
}
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id<MTLTexture> getRenderColorRes() {if (m_samples > 1) return m_msaaTex; return m_tex;}
};
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static const size_t SEMANTIC_SIZE_TABLE[] =
{
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0,
12,
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16,
12,
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16,
16,
4,
8,
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16,
16,
16
};
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static const MTLVertexFormat SEMANTIC_TYPE_TABLE[] =
{
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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,
MTLVertexFormatFloat4,
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MTLVertexFormatUChar4Normalized,
MTLVertexFormatFloat2,
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MTLVertexFormatFloat4,
MTLVertexFormatFloat4,
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MTLVertexFormatFloat4
};
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struct MetalVertexFormat : IVertexFormat
{
size_t m_elementCount;
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MTLVertexDescriptor* m_vdesc;
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MetalVertexFormat(size_t elementCount, const VertexElementDescriptor* elements)
: m_elementCount(elementCount)
{
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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)
{
const VertexElementDescriptor* elemin = &elements[i];
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int semantic = int(elemin->semantic & VertexSemantic::SemanticMask);
if ((elemin->semantic & VertexSemantic::Instanced) != VertexSemantic::None)
instStride += SEMANTIC_SIZE_TABLE[semantic];
else
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;
layoutDesc.stepFunction = MTLVertexStepFunctionPerVertex;
layoutDesc.stepRate = 1;
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layoutDesc = m_vdesc.layouts[1];
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layoutDesc.stride = instStride;
layoutDesc.stepFunction = MTLVertexStepFunctionPerInstance;
layoutDesc.stepRate = 1;
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size_t offset = 0;
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size_t instOffset = 0;
for (size_t i=0 ; i<elementCount ; ++i)
{
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);
if ((elemin->semantic & VertexSemantic::Instanced) != VertexSemantic::None)
{
attrDesc.offset = instOffset;
attrDesc.bufferIndex = 1;
instOffset += SEMANTIC_SIZE_TABLE[semantic];
}
else
{
attrDesc.offset = offset;
attrDesc.bufferIndex = 0;
offset += SEMANTIC_SIZE_TABLE[semantic];
}
attrDesc.format = SEMANTIC_TYPE_TABLE[semantic];
}
}
};
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static const MTLBlendFactor BLEND_FACTOR_TABLE[] =
{
MTLBlendFactorZero,
MTLBlendFactorOne,
MTLBlendFactorSourceColor,
MTLBlendFactorOneMinusSourceColor,
MTLBlendFactorDestinationColor,
MTLBlendFactorOneMinusDestinationColor,
MTLBlendFactorSourceAlpha,
MTLBlendFactorOneMinusSourceAlpha,
MTLBlendFactorDestinationAlpha,
MTLBlendFactorOneMinusDestinationAlpha
};
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class MetalShaderPipeline : public IShaderPipeline
{
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friend class MetalDataFactory;
MTLCullMode m_cullMode = MTLCullModeNone;
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MetalShaderPipeline(MetalContext* ctx, id<MTLFunction> vert, id<MTLFunction> frag,
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const MetalVertexFormat* vtxFmt, NSUInteger targetSamples,
BlendFactor srcFac, BlendFactor dstFac,
bool depthTest, bool depthWrite, bool backfaceCulling)
{
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if (backfaceCulling)
m_cullMode = MTLCullModeBack;
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MTLRenderPipelineDescriptor* desc = [MTLRenderPipelineDescriptor new];
desc.vertexFunction = vert;
desc.fragmentFunction = frag;
desc.vertexDescriptor = vtxFmt->m_vdesc;
desc.sampleCount = targetSamples;
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;
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NSError* err = nullptr;
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m_state = [ctx->m_dev newRenderPipelineStateWithDescriptor:desc error:&err];
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if (err)
Log.report(LogVisor::FatalError, "error making shader pipeline: %s",
[[err localizedDescription] UTF8String]);
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MTLDepthStencilDescriptor* dsDesc = [MTLDepthStencilDescriptor new];
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if (depthTest)
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dsDesc.depthCompareFunction = MTLCompareFunctionLessEqual;
dsDesc.depthWriteEnabled = depthWrite;
m_dsState = [ctx->m_dev newDepthStencilStateWithDescriptor:dsDesc];
}
public:
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id<MTLRenderPipelineState> m_state;
id<MTLDepthStencilState> m_dsState;
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~MetalShaderPipeline() = default;
MetalShaderPipeline& operator=(const MetalShaderPipeline&) = delete;
MetalShaderPipeline(const MetalShaderPipeline&) = delete;
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void bind(id<MTLRenderCommandEncoder> enc)
{
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[enc setRenderPipelineState:m_state];
[enc setDepthStencilState:m_dsState];
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[enc setCullMode:m_cullMode];
}
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};
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static id<MTLBuffer> GetBufferGPUResource(const IGraphicsBuffer* buf, int idx)
{
if (buf->dynamic())
{
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const MetalGraphicsBufferD* cbuf = static_cast<const MetalGraphicsBufferD*>(buf);
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return cbuf->m_bufs[idx];
}
else
{
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const MetalGraphicsBufferS* cbuf = static_cast<const MetalGraphicsBufferS*>(buf);
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return cbuf->m_buf;
}
}
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static id<MTLTexture> GetTextureGPUResource(const ITexture* tex, int idx)
{
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switch (tex->type())
{
case TextureType::Dynamic:
{
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const MetalTextureD* ctex = static_cast<const MetalTextureD*>(tex);
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return ctex->m_texs[idx];
}
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case TextureType::Static:
{
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const MetalTextureS* ctex = static_cast<const MetalTextureS*>(tex);
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return ctex->m_tex;
}
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case TextureType::StaticArray:
{
const MetalTextureSA* ctex = static_cast<const MetalTextureSA*>(tex);
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return ctex->m_tex;
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}
case TextureType::Render:
{
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const MetalTextureR* ctex = static_cast<const MetalTextureR*>(tex);
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return ctex->m_tex;
}
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default: break;
}
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return nullptr;
}
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struct MetalShaderDataBinding : IShaderDataBinding
{
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MetalShaderPipeline* m_pipeline;
IGraphicsBuffer* m_vbuf;
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IGraphicsBuffer* m_instVbo;
IGraphicsBuffer* m_ibuf;
size_t m_ubufCount;
std::unique_ptr<IGraphicsBuffer*[]> m_ubufs;
size_t m_texCount;
std::unique_ptr<ITexture*[]> m_texs;
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MetalShaderDataBinding(MetalContext* ctx,
IShaderPipeline* pipeline,
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IGraphicsBuffer* vbuf, IGraphicsBuffer* instVbo, IGraphicsBuffer* ibuf,
size_t ubufCount, IGraphicsBuffer** ubufs,
size_t texCount, ITexture** texs)
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: m_pipeline(static_cast<MetalShaderPipeline*>(pipeline)),
m_vbuf(vbuf),
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m_instVbo(instVbo),
m_ibuf(ibuf),
m_ubufCount(ubufCount),
m_ubufs(new IGraphicsBuffer*[ubufCount]),
m_texCount(texCount),
m_texs(new ITexture*[texCount])
{
for (size_t i=0 ; i<ubufCount ; ++i)
m_ubufs[i] = ubufs[i];
for (size_t i=0 ; i<texCount ; ++i)
m_texs[i] = texs[i];
}
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void bind(id<MTLRenderCommandEncoder> enc, int b)
{
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m_pipeline->bind(enc);
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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];
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for (size_t i=0 ; i<m_ubufCount ; ++i)
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[enc setVertexBuffer:GetBufferGPUResource(m_ubufs[i], b) offset:0 atIndex:i+2];
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for (size_t i=0 ; i<m_texCount ; ++i)
[enc setFragmentTexture:GetTextureGPUResource(m_texs[i], b) atIndex:i];
}
};
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struct MetalCommandQueue : IGraphicsCommandQueue
{
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Platform platform() const {return IGraphicsDataFactory::Platform::Metal;}
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const char* platformName() const {return "Metal";}
MetalContext* m_ctx;
IWindow* m_parentWindow;
IGraphicsContext* m_parent;
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id<MTLCommandBuffer> m_cmdBuf;
id<MTLRenderCommandEncoder> m_enc;
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bool m_running = true;
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size_t m_fillBuf = 0;
size_t m_drawBuf = 0;
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MetalCommandQueue(MetalContext* ctx, IWindow* parentWindow, IGraphicsContext* parent)
: m_ctx(ctx), m_parentWindow(parentWindow), m_parent(parent)
{
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@autoreleasepool
{
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m_cmdBuf = [ctx->m_q commandBuffer];
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}
}
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void stopRenderer()
{
m_running = false;
if (m_inProgress)
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[m_cmdBuf waitUntilCompleted];
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}
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~MetalCommandQueue()
{
if (m_running) stopRenderer();
}
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MetalShaderDataBinding* m_boundData = nullptr;
void setShaderDataBinding(IShaderDataBinding* binding)
{
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MetalShaderDataBinding* cbind = static_cast<MetalShaderDataBinding*>(binding);
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cbind->bind(m_enc, m_fillBuf);
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m_boundData = cbind;
}
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MetalTextureR* m_boundTarget = nullptr;
void setRenderTarget(ITextureR* target)
{
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MetalTextureR* ctarget = static_cast<MetalTextureR*>(target);
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[m_enc endEncoding];
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@autoreleasepool
{
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m_enc = [m_cmdBuf renderCommandEncoderWithDescriptor:ctarget->m_passDesc];
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}
m_boundTarget = ctarget;
}
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void setViewport(const SWindowRect& rect)
{
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MTLViewport vp = {double(rect.location[0]), double(rect.location[1]),
double(rect.size[0]), double(rect.size[1]), 0.0, 1.0};
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[m_enc setViewport:vp];
}
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void setScissor(const SWindowRect& rect)
{
if (m_boundTarget)
{
MTLScissorRect scissor = {NSUInteger(rect.location[0]),
NSUInteger(m_boundTarget->m_height - rect.location[1] - rect.size[1]),
NSUInteger(rect.size[0]), NSUInteger(rect.size[1])};
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[m_enc setScissorRect:scissor];
}
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}
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std::unordered_map<MetalTextureR*, std::pair<size_t, size_t>> m_texResizes;
void resizeRenderTexture(ITextureR* tex, size_t width, size_t height)
{
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MetalTextureR* ctex = static_cast<MetalTextureR*>(tex);
m_texResizes[ctex] = std::make_pair(width, height);
}
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void schedulePostFrameHandler(std::function<void(void)>&& func)
{
func();
}
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void flushBufferUpdates() {}
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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];
}
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void clearTarget(bool render=true, bool depth=true)
{
if (!m_boundTarget)
return;
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setRenderTarget(m_boundTarget);
}
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MTLPrimitiveType m_primType = MTLPrimitiveTypeTriangle;
void setDrawPrimitive(Primitive prim)
{
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if (prim == Primitive::Triangles)
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m_primType = MTLPrimitiveTypeTriangle;
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else if (prim == Primitive::TriStrips)
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m_primType = MTLPrimitiveTypeTriangleStrip;
}
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void draw(size_t start, size_t count)
{
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[m_enc drawPrimitives:m_primType vertexStart:start vertexCount:count];
}
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void drawIndexed(size_t start, size_t count)
{
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[m_enc drawIndexedPrimitives:m_primType
indexCount:count
indexType:MTLIndexTypeUInt32
indexBuffer:GetBufferGPUResource(m_boundData->m_ibuf, m_fillBuf)
indexBufferOffset:start*4];
}
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void drawInstances(size_t start, size_t count, size_t instCount)
{
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[m_enc drawPrimitives:m_primType vertexStart:start vertexCount:count instanceCount:instCount];
}
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void drawInstancesIndexed(size_t start, size_t count, size_t instCount)
{
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[m_enc drawIndexedPrimitives:m_primType
indexCount:count
indexType:MTLIndexTypeUInt32
indexBuffer:GetBufferGPUResource(m_boundData->m_ibuf, m_fillBuf)
indexBufferOffset:start*4
instanceCount:instCount];
}
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MetalTextureR* m_needsDisplay = nullptr;
void resolveDisplay(ITextureR* source)
{
m_needsDisplay = static_cast<MetalTextureR*>(source);
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}
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bool m_inProgress = false;
void execute()
{
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if (!m_running)
return;
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/* Update dynamic data here */
MetalDataFactory* gfxF = static_cast<MetalDataFactory*>(m_parent->getDataFactory());
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std::unique_lock<std::mutex> datalk(gfxF->m_committedMutex);
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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);
}
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datalk.unlock();
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@autoreleasepool
{
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[m_enc endEncoding];
m_enc = nullptr;
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/* Abandon if in progress (renderer too slow) */
if (m_inProgress)
{
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m_cmdBuf = [m_ctx->m_q commandBuffer];
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return;
}
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/* 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();
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m_cmdBuf = [m_ctx->m_q commandBuffer];
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return;
}
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/* 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;
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if (m_needsDisplay->m_tex.width == dest.width &&
m_needsDisplay->m_tex.height == dest.height)
{
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id<MTLBlitCommandEncoder> blitEnc = [m_cmdBuf blitCommandEncoder];
[blitEnc copyFromTexture:m_needsDisplay->m_tex
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];
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[m_cmdBuf presentDrawable:drawable];
}
}
}
m_needsDisplay = nullptr;
}
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m_drawBuf = m_fillBuf;
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m_fillBuf ^= 1;
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[m_cmdBuf addCompletedHandler:^(id<MTLCommandBuffer> buf) {m_inProgress = false;}];
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m_inProgress = true;
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[m_cmdBuf commit];
m_cmdBuf = [m_ctx->m_q commandBuffer];
}
}
};
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void MetalGraphicsBufferD::update(int b)
{
int slot = 1 << b;
if ((slot & m_validSlots) == 0)
{
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id<MTLBuffer> res = m_bufs[b];
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memcpy(res.contents, m_cpuBuf.get(), m_sz);
m_validSlots |= slot;
}
}
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void MetalGraphicsBufferD::load(const void* data, size_t sz)
{
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size_t bufSz = std::min(sz, m_sz);
memcpy(m_cpuBuf.get(), data, bufSz);
m_validSlots = 0;
}
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void* MetalGraphicsBufferD::map(size_t sz)
{
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if (sz > m_sz)
return nullptr;
return m_cpuBuf.get();
}
void MetalGraphicsBufferD::unmap()
{
m_validSlots = 0;
}
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void MetalTextureD::update(int b)
{
int slot = 1 << b;
if ((slot & m_validSlots) == 0)
{
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id<MTLTexture> res = m_texs[b];
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[res replaceRegion:MTLRegionMake2D(0, 0, m_width, m_height)
mipmapLevel:0 withBytes:m_cpuBuf.get() bytesPerRow:m_width*m_pxPitch];
m_validSlots |= slot;
}
}
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void MetalTextureD::load(const void* data, size_t sz)
{
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size_t bufSz = std::min(sz, m_cpuSz);
memcpy(m_cpuBuf.get(), data, bufSz);
m_validSlots = 0;
}
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void* MetalTextureD::map(size_t sz)
{
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if (sz > m_cpuSz)
return nullptr;
return m_cpuBuf.get();
}
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void MetalTextureD::unmap()
{
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m_validSlots = 0;
}
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MetalDataFactory::MetalDataFactory(IGraphicsContext* parent, MetalContext* ctx)
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: m_parent(parent), m_ctx(ctx) {}
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IGraphicsBufferS* MetalDataFactory::newStaticBuffer(BufferUse use, const void* data, size_t stride, size_t count)
{
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MetalGraphicsBufferS* retval = new MetalGraphicsBufferS(use, m_ctx, data, stride, count);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_SBufs.emplace_back(retval);
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return retval;
}
IGraphicsBufferS* MetalDataFactory::newStaticBuffer(BufferUse use, std::unique_ptr<uint8_t[]>&& data, size_t stride, size_t count)
{
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std::unique_ptr<uint8_t[]> d = std::move(data);
MetalGraphicsBufferS* retval = new MetalGraphicsBufferS(use, m_ctx, d.get(), stride, count);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_SBufs.emplace_back(retval);
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return retval;
}
IGraphicsBufferD* MetalDataFactory::newDynamicBuffer(BufferUse use, size_t stride, size_t count)
{
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MetalCommandQueue* q = static_cast<MetalCommandQueue*>(m_parent->getCommandQueue());
MetalGraphicsBufferD* retval = new MetalGraphicsBufferD(q, use, m_ctx, stride, count);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_DBufs.emplace_back(retval);
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return retval;
}
ITextureS* MetalDataFactory::newStaticTexture(size_t width, size_t height, size_t mips, TextureFormat fmt,
const void* data, size_t sz)
{
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MetalTextureS* retval = new MetalTextureS(m_ctx, width, height, mips, fmt, data, sz);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_STexs.emplace_back(retval);
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return retval;
}
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GraphicsDataToken
MetalDataFactory::newStaticTextureNoContext(size_t width, size_t height, size_t mips, TextureFormat fmt,
const void* data, size_t sz, ITextureS** texOut)
{
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MetalTextureS* retval = new MetalTextureS(m_ctx, width, height, mips, fmt, data, sz);
MetalData* tokData = new struct MetalData();
tokData->m_STexs.emplace_back(retval);
*texOut = retval;
std::unique_lock<std::mutex> lk(m_committedMutex);
m_committedData.insert(tokData);
return GraphicsDataToken(this, tokData);
}
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ITextureSA* MetalDataFactory::newStaticArrayTexture(size_t width, size_t height, size_t layers, TextureFormat fmt,
const void* data, size_t sz)
{
MetalTextureSA* retval = new MetalTextureSA(m_ctx, width, height, layers, fmt, data, sz);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_SATexs.emplace_back(retval);
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return retval;
}
ITextureD* MetalDataFactory::newDynamicTexture(size_t width, size_t height, TextureFormat fmt)
{
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MetalCommandQueue* q = static_cast<MetalCommandQueue*>(m_parent->getCommandQueue());
MetalTextureD* retval = new MetalTextureD(q, m_ctx, width, height, fmt);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_DTexs.emplace_back(retval);
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return retval;
}
ITextureR* MetalDataFactory::newRenderTexture(size_t width, size_t height, size_t samples)
{
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MetalTextureR* retval = new MetalTextureR(m_ctx, width, height, samples);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_RTexs.emplace_back(retval);
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return retval;
}
IVertexFormat* MetalDataFactory::newVertexFormat(size_t elementCount, const VertexElementDescriptor* elements)
{
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MetalVertexFormat* retval = new struct MetalVertexFormat(elementCount, elements);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_VFmts.emplace_back(retval);
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return retval;
}
IShaderPipeline* MetalDataFactory::newShaderPipeline(const char* vertSource, const char* fragSource,
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IVertexFormat* vtxFmt, unsigned targetSamples,
BlendFactor srcFac, BlendFactor dstFac,
bool depthTest, bool depthWrite, bool backfaceCulling)
{
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MTLCompileOptions* compOpts = [MTLCompileOptions new];
compOpts.languageVersion = MTLLanguageVersion1_1;
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NSError* err = nullptr;
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id<MTLLibrary> vertShaderLib = [m_ctx->m_dev newLibraryWithSource:@(vertSource)
options:compOpts
error:&err];
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if (err)
Log.report(LogVisor::FatalError, "error compiling vert shader: %s", [[err localizedDescription] UTF8String]);
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id<MTLFunction> vertFunc = [vertShaderLib newFunctionWithName:@"vmain"];
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id<MTLLibrary> fragShaderLib = [m_ctx->m_dev newLibraryWithSource:@(fragSource)
options:compOpts
error:&err];
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if (err)
Log.report(LogVisor::FatalError, "error compiling frag shader: %s", [[err localizedDescription] UTF8String]);
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id<MTLFunction> fragFunc = [fragShaderLib newFunctionWithName:@"fmain"];
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MetalShaderPipeline* retval = new MetalShaderPipeline(m_ctx, vertFunc, fragFunc,
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static_cast<const MetalVertexFormat*>(vtxFmt), targetSamples,
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srcFac, dstFac, depthTest, depthWrite, backfaceCulling);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_SPs.emplace_back(retval);
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return retval;
}
IShaderDataBinding*
MetalDataFactory::newShaderDataBinding(IShaderPipeline* pipeline,
IVertexFormat* vtxFormat,
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IGraphicsBuffer* vbuf, IGraphicsBuffer* instVbo, IGraphicsBuffer* ibuf,
size_t ubufCount, IGraphicsBuffer** ubufs,
size_t texCount, ITexture** texs)
{
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MetalShaderDataBinding* retval =
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new MetalShaderDataBinding(m_ctx, pipeline, vbuf, instVbo, ibuf, ubufCount, ubufs, texCount, texs);
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if (!m_deferredData.get())
m_deferredData.reset(new struct MetalData());
m_deferredData->m_SBinds.emplace_back(retval);
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return retval;
}
void MetalDataFactory::reset()
{
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delete m_deferredData.get();
m_deferredData.reset();
}
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GraphicsDataToken MetalDataFactory::commit()
{
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if (!m_deferredData.get())
return GraphicsDataToken(this, nullptr);
std::unique_lock<std::mutex> lk(m_committedMutex);
MetalData* retval = m_deferredData.get();
m_deferredData.reset();
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m_committedData.insert(retval);
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return GraphicsDataToken(this, retval);
}
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void MetalDataFactory::destroyData(IGraphicsData* d)
{
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std::unique_lock<std::mutex> lk(m_committedMutex);
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MetalData* data = static_cast<MetalData*>(d);
m_committedData.erase(data);
delete data;
}
void MetalDataFactory::destroyAllData()
{
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std::unique_lock<std::mutex> lk(m_committedMutex);
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for (IGraphicsData* data : m_committedData)
delete static_cast<MetalData*>(data);
m_committedData.clear();
}
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IGraphicsCommandQueue* _NewMetalCommandQueue(MetalContext* ctx, IWindow* parentWindow,
IGraphicsContext* parent)
{
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return new struct MetalCommandQueue(ctx, parentWindow, parent);
}
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}
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#endif