48 lines
2.6 KiB
Objective-C
48 lines
2.6 KiB
Objective-C
#include <output_device/gryphn_physical_device.h>
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#include <Metal/Metal.h>
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#include "metal_output_devices.h"
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#include "window_surface/gryphn_surface.h"
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gnPhysicalDevice* getMetalDevices(gnInstanceHandle instance, uint32_t* deviceCount) {
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if (instance == GN_NULL_HANDLE) return NULL;
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NSArray *devices = MTLCopyAllDevices();
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*deviceCount = (uint32_t)[devices count];
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gnPhysicalDevice* devicesList = (gnPhysicalDevice*)malloc(sizeof(gnPhysicalDevice) * *deviceCount);
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for (uint32_t i = 0; i < *deviceCount; i++) {
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devicesList[i] = malloc(sizeof(gnPhysicalOutputDevice_t));
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devicesList[i]->physicalDevice = malloc(sizeof(gnPlatformPhysicalDevice));
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devicesList[i]->physicalDevice->device = [devices objectAtIndex:0];
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id<MTLDevice> device = [devices objectAtIndex:0];
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devicesList[i]->properties.name = gnCreateString([[device name] cStringUsingEncoding:NSUTF8StringEncoding]);
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MTLDeviceLocation deviceLocation = device.locationNumber;
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if (deviceLocation == MTLDeviceLocationBuiltIn)
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devicesList[i]->properties.deviceType = GN_INTEGRATED_DEVICE;
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else if (deviceLocation == MTLDeviceLocationSlot)
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devicesList[i]->properties.deviceType = GN_DEDICATED_DEVICE;
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else if (deviceLocation == MTLDeviceLocationExternal)
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devicesList[i]->properties.deviceType = GN_EXTERNAL_DEVICE;
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devicesList[i]->features.maxColorSamples = GN_SAMPLE_BIT_1;
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if ([device supportsTextureSampleCount:2]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_2; } else {}
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if ([device supportsTextureSampleCount:4]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_4; } else {}
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if ([device supportsTextureSampleCount:8]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_8; } else {}
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if ([device supportsTextureSampleCount:16]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_16; } else {}
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if ([device supportsTextureSampleCount:32]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_32; } else {}
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devicesList[i]->features.maxDepthSamples = devicesList[i]->features.maxColorSamples;
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devicesList[i]->features.maxMemoryAllocations = 0x40000000;
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devicesList[i]->features.maxPushConstantSize = 4096;
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}
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[devices release];
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return devicesList;
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}
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gnBool metalCanDevicePresent(gnPhysicalDevice device, gnWindowSurface windowSurface) {
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if (device == GN_NULL_HANDLE || windowSurface == GN_NULL_HANDLE) return GN_FALSE;
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return GN_TRUE; // I belive that a window should always be able to present to a surface in metal
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}
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