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Convert new style Pinwheel to use Metal for rendering
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
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| #include "MetalComputeUtilities.hpp" | ||
| #include "MetalEffects.hpp" | ||
| #include "MetalEffectDataTypes.h" | ||
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| #include "../../RenderBuffer.h" | ||
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| #include <array> | ||
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| class MetalPinwheelEffectData { | ||
| public: | ||
| MetalPinwheelEffectData() { | ||
| for (auto &f : functions) { | ||
| f = nil; | ||
| } | ||
| functions[0] = MetalComputeUtilities::INSTANCE.FindComputeFunction("PinwheelEffectStyle0"); | ||
| //functions[1] = MetalComputeUtilities::INSTANCE.FindComputeFunction("PinwheelEffectStyle0"); | ||
| //functions[2] = MetalComputeUtilities::INSTANCE.FindComputeFunction("PinwheelEffectStyle0"); | ||
| //functions[3] = MetalComputeUtilities::INSTANCE.FindComputeFunction("PinwheelEffectStyle0"); | ||
| //functions[4] = MetalComputeUtilities::INSTANCE.FindComputeFunction("PinwheelEffectStyle0"); | ||
| //functions[5] = MetalComputeUtilities::INSTANCE.FindComputeFunction("PinwheelEffectStyle0"); | ||
| } | ||
| ~MetalPinwheelEffectData() { | ||
| for (auto &f : functions) { | ||
| if (f != nil) { | ||
| [f release]; | ||
| } | ||
| } | ||
| } | ||
| bool canRenderStyle(int style) { | ||
| return style < functions.size() && functions[style] != nil; | ||
| } | ||
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| bool Render(int idx, MetalPinwheelData &data, RenderBuffer &buffer) { | ||
| @autoreleasepool { | ||
| MetalRenderBufferComputeData * rbcd = MetalRenderBufferComputeData::getMetalRenderBufferComputeData(&buffer); | ||
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| id<MTLCommandBuffer> commandBuffer = rbcd->getCommandBuffer(); | ||
| if (commandBuffer == nil) { | ||
| return false; | ||
| } | ||
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| id<MTLBuffer> bufferResult = rbcd->getPixelBuffer(); | ||
| if (bufferResult == nil) { | ||
| rbcd->abortCommandBuffer(); | ||
| return false; | ||
| } | ||
| id<MTLComputeCommandEncoder> computeEncoder = [commandBuffer computeCommandEncoder]; | ||
| if (computeEncoder == nil) { | ||
| rbcd->abortCommandBuffer(); | ||
| return false; | ||
| } | ||
| [computeEncoder setLabel:@"PinwheelEffect"]; | ||
| [computeEncoder setComputePipelineState:functions[idx]]; | ||
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| NSInteger dataSize = sizeof(data); | ||
| [computeEncoder setBytes:&data length:dataSize atIndex:0]; | ||
| [computeEncoder setBuffer:bufferResult offset:0 atIndex:1]; | ||
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| NSInteger maxThreads = functions[idx].maxTotalThreadsPerThreadgroup; | ||
| dataSize = data.width * data.height; | ||
| NSInteger threads = std::min(dataSize, maxThreads); | ||
| MTLSize gridSize = MTLSizeMake(dataSize, 1, 1); | ||
| MTLSize threadsPerThreadgroup = MTLSizeMake(threads, 1, 1); | ||
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| [computeEncoder dispatchThreads:gridSize | ||
| threadsPerThreadgroup:threadsPerThreadgroup]; | ||
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| [computeEncoder endEncoding]; | ||
| } | ||
| return true; | ||
| } | ||
| std::array<id<MTLComputePipelineState>, 11> functions; | ||
| }; | ||
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| MetalPinwheelEffect::MetalPinwheelEffect(int i) : PinwheelEffect(i) { | ||
| data = new MetalPinwheelEffectData(); | ||
| } | ||
| MetalPinwheelEffect::~MetalPinwheelEffect() { | ||
| if (data) { | ||
| delete data; | ||
| } | ||
| } | ||
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| void MetalPinwheelEffect::RenderNewArms(RenderBuffer& buffer, PinwheelEffect::PinwheelData &data) { | ||
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| MetalRenderBufferComputeData * rbcd = MetalRenderBufferComputeData::getMetalRenderBufferComputeData(&buffer); | ||
| if (rbcd == nullptr || ((buffer.BufferWi * buffer.BufferHt) < 1024) || data.hasSpacial) { | ||
| PinwheelEffect::RenderNewArms(buffer, data); | ||
| return; | ||
| } | ||
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| MetalPinwheelData rdata; | ||
| rdata.width = buffer.BufferWi; | ||
| rdata.height = buffer.BufferHt; | ||
| rdata.pinwheel_arms = data.pinwheel_arms; | ||
| rdata.xc_adj = data.xc_adj; | ||
| rdata.yc_adj = data.yc_adj; | ||
| rdata.degrees_per_arm = data.degrees_per_arm; | ||
| rdata.pinwheel_twist = data.pinwheel_twist; | ||
| rdata.max_radius= data.max_radius; | ||
| rdata.poffset = data.poffset; | ||
| rdata.pw3dType = data.pw3dType; | ||
| rdata.pinwheel_rotation = data.pinwheel_rotation; | ||
| rdata.tmax = data.tmax; | ||
| rdata.pos = data.pos; | ||
| rdata.allowAlpha = buffer.allowAlpha; | ||
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| rdata.numColors = data.colorsAsColor.size(); | ||
| for (int x = 0; x < rdata.numColors; x++) { | ||
| rdata.colorsAsColor[x] = data.colorsAsColor[x].asChar4(); | ||
| rdata.colorsAsHSV[x] = {(float)data.colorsAsHSV[x].hue, (float)data.colorsAsHSV[x].saturation, (float)data.colorsAsHSV[x].value}; | ||
| } | ||
| if (this->data->Render(0, rdata, buffer)) { | ||
| return; | ||
| } | ||
| PinwheelEffect::RenderNewArms(buffer, data); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
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| #include <metal_stdlib> | ||
| using namespace metal; | ||
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| #include "MetalEffectDataTypes.h" | ||
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| constant simd::float4 K = simd::float4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0); | ||
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| uchar4 hsv2rgb(simd::float3 c) { | ||
| simd::float3 p = abs(fract(c.xxx + K.xyz) * 6.0h - K.www); | ||
| c = c.z * mix(K.xxx, clamp(p - K.xxx, 0.0h, 1.0h), c.y); | ||
| return uchar4(c.r * 255.0h, c.g * 255.0h, c.b * 255.0h, 255); | ||
| } | ||
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| kernel void PinwheelEffectStyle0(constant MetalPinwheelData &data, | ||
| device uchar4* result, | ||
| uint index [[thread_position_in_grid]]) | ||
| { | ||
| if (index > (data.width * data.height)) return; | ||
| int x = index % data.width; | ||
| int y = index / data.width; | ||
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| float y1 = y - data.yc_adj - ((float)data.height / 2.0f); | ||
| float x1 = x - data.xc_adj - ((float)data.width / 2.0f); | ||
| float r = sqrt((x1*x1) + (y1*y1)); | ||
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| simd::float3 hsv; | ||
| if (r <= data.max_radius) { | ||
| float degrees_twist = (r / data.max_radius) * data.pinwheel_twist; | ||
| float theta = (atan2(x1, y1) * 180 / 3.14159) + degrees_twist; | ||
| if (data.pinwheel_rotation == 1) { // do we have CW rotation | ||
| theta = data.pos + theta + (data.tmax / 2) + data.poffset; | ||
| } else { | ||
| theta = data.pos - theta + (data.tmax / 2) + data.poffset; | ||
| } | ||
| theta = theta + 540.0; | ||
| int t2 = (int)theta % data.degrees_per_arm; | ||
| if (t2 <= data.tmax) { | ||
| float round = (float)t2 / (float)data.tmax; | ||
| t2 = abs(t2 - (data.tmax / 2)) * 2; | ||
| int ColorIdx2 = ((int)((theta / data.degrees_per_arm))) % data.pinwheel_arms; | ||
| simd::uchar4 color = data.colorsAsColor[ColorIdx2]; | ||
| if (!data.allowAlpha) { | ||
| hsv = data.colorsAsHSV[ColorIdx2]; | ||
| } | ||
| switch (data.pw3dType) { | ||
| case 1: | ||
| if (data.allowAlpha) { | ||
| color.a = 255.0 * ((data.tmax - t2) / data.tmax); | ||
| } else { | ||
| hsv.z = hsv.z * ((data.tmax - t2) / data.tmax); | ||
| color = hsv2rgb(hsv); | ||
| } | ||
| break; | ||
| case 2: | ||
| if (data.allowAlpha) { | ||
| color.a = 255.0 * ((t2) / data.tmax); | ||
| } else { | ||
| hsv.z = hsv.z * ((t2) / data.tmax); | ||
| color = hsv2rgb(hsv); | ||
| } | ||
| break; | ||
| case 3: | ||
| if (data.allowAlpha) { | ||
| color.a = 255.0 * (1.0 - round); | ||
| } else { | ||
| hsv.z = hsv.z * (1.0 - round); | ||
| color = hsv2rgb(hsv); | ||
| } | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| result[index] = color; | ||
| } | ||
| } | ||
| } |