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query metal devices

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This commit is contained in:
Gregory Wells
2025-09-09 09:31:09 -04:00
parent c5297cb17b
commit 9244b82f79
5 changed files with 40 additions and 35 deletions
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2
projects/apis/metal/loader/metal_instance_loader.m
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@@ -6,6 +6,7 @@
gryphnInstanceFunctionLayers metalLoadAPILayer(void) {
return (gryphnInstanceFunctionLayers) {
.createInstance = metalCreateInstance,
.queryDevices = metalQueryDevices,
.destroyInstance = metalDestroyInstance,
.next = NULL
};
@@ -13,7 +14,6 @@ gryphnInstanceFunctionLayers metalLoadAPILayer(void) {
gnInstanceFunctions loadMetalInstanceFunctions(void) {
return (gnInstanceFunctions){
._gnGetPhysicalDevices = getMetalDevices,
._gnPhysicalDeviceCanPresentToSurface = metalCanDevicePresent,
._gnCreateOutputDevice = createMetalOutputDevice,
._gnDestroyOutputDevice = destroyMetalOutputDevice,

62
projects/apis/metal/src/devices/metal_physical_device.m
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@@ -3,45 +3,41 @@
#include "metal_output_devices.h"
#include "window_surface/gryphn_surface.h"
gnPhysicalDevice* getMetalDevices(gnInstanceHandle instance, uint32_t* deviceCount) {
if (instance == GN_NULL_HANDLE) return NULL;
// gnPhysicalDevice* getMetalDevices(gnInstanceHandle instance, uint32_t* deviceCount) {
// if (instance == GN_NULL_HANDLE) return NULL;
NSArray *devices = MTLCopyAllDevices();
*deviceCount = (uint32_t)[devices count];
gnPhysicalDevice* devicesList = (gnPhysicalDevice*)malloc(sizeof(gnPhysicalDevice) * *deviceCount);
for (uint32_t i = 0; i < *deviceCount; i++) {
devicesList[i] = malloc(sizeof(gnPhysicalOutputDevice_t));
devicesList[i]->physicalDevice = malloc(sizeof(gnPlatformPhysicalDevice));
devicesList[i]->physicalDevice->device = [devices objectAtIndex:0];
// NSArray *devices = MTLCopyAllDevices();
// *deviceCount = (uint32_t)[devices count];
// gnPhysicalDevice* devicesList = (gnPhysicalDevice*)malloc(sizeof(gnPhysicalDevice) * *deviceCount);
// for (uint32_t i = 0; i < *deviceCount; i++) {
// devicesList[i] = (uint64_t)[devices objectAtIndex:0];
// mtlDevice device = (mtlDevice)devicesList[i];
// devicesList[i]->properties.name = gnCreateString([[device name] cStringUsingEncoding:NSUTF8StringEncoding]);
// MTLDeviceLocation deviceLocation = device.locationNumber;
// if (deviceLocation == MTLDeviceLocationBuiltIn)
// devicesList[i]->properties.deviceType = GN_INTEGRATED_DEVICE;
// else if (deviceLocation == MTLDeviceLocationSlot)
// devicesList[i]->properties.deviceType = GN_DEDICATED_DEVICE;
// else if (deviceLocation == MTLDeviceLocationExternal)
// devicesList[i]->properties.deviceType = GN_EXTERNAL_DEVICE;
id<MTLDevice> device = [devices objectAtIndex:0];
devicesList[i]->properties.name = gnCreateString([[device name] cStringUsingEncoding:NSUTF8StringEncoding]);
MTLDeviceLocation deviceLocation = device.locationNumber;
if (deviceLocation == MTLDeviceLocationBuiltIn)
devicesList[i]->properties.deviceType = GN_INTEGRATED_DEVICE;
else if (deviceLocation == MTLDeviceLocationSlot)
devicesList[i]->properties.deviceType = GN_DEDICATED_DEVICE;
else if (deviceLocation == MTLDeviceLocationExternal)
devicesList[i]->properties.deviceType = GN_EXTERNAL_DEVICE;
// devicesList[i]->features.maxColorSamples = GN_SAMPLE_BIT_1;
// if ([device supportsTextureSampleCount:2]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_2; } else {}
// if ([device supportsTextureSampleCount:4]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_4; } else {}
// if ([device supportsTextureSampleCount:8]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_8; } else {}
// if ([device supportsTextureSampleCount:16]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_16; } else {}
// if ([device supportsTextureSampleCount:32]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_32; } else {}
// devicesList[i]->features.maxDepthSamples = devicesList[i]->features.maxColorSamples;
devicesList[i]->features.maxColorSamples = GN_SAMPLE_BIT_1;
if ([device supportsTextureSampleCount:2]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_2; } else {}
if ([device supportsTextureSampleCount:4]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_4; } else {}
if ([device supportsTextureSampleCount:8]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_8; } else {}
if ([device supportsTextureSampleCount:16]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_16; } else {}
if ([device supportsTextureSampleCount:32]) { devicesList[i]->features.maxColorSamples |= GN_SAMPLE_BIT_32; } else {}
devicesList[i]->features.maxDepthSamples = devicesList[i]->features.maxColorSamples;
devicesList[i]->features.maxMemoryAllocations = 0x40000000;
devicesList[i]->features.maxPushConstantSize = 4096;
}
[devices release];
return devicesList;
}
// devicesList[i]->features.maxMemoryAllocations = 0x40000000;
// devicesList[i]->features.maxPushConstantSize = 4096;
// }
// [devices release];
// return devicesList;
// }
gnBool metalCanDevicePresent(gnPhysicalDevice device, gnWindowSurface windowSurface) {
if (device == GN_NULL_HANDLE || windowSurface == GN_NULL_HANDLE) return GN_FALSE;
return GN_TRUE; // I belive that a window should always be able to present to a surface in metal
}

1
projects/apis/metal/src/instance/metal_instance.h
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@@ -8,4 +8,5 @@ typedef struct gnPlatformInstance_t {
} gnPlatformInstance;
gnReturnCode metalCreateInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo, gryphnInstanceFunctionLayers* next, gnAllocators* allocators);
gnReturnCode metalQueryDevices(gnInstanceHandle instance, uint32_t* count, gnPhysicalDeviceHandle* devices);
void metalDestroyInstance(gnInstance instance, gryphnInstanceFunctionLayers* next, gnAllocators* allocators);

9
projects/apis/metal/src/instance/metal_instance.m
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@@ -8,6 +8,15 @@ gnReturnCode metalCreateInstance(gnInstanceHandle instance, gnInstanceCreateInfo
instance->instance = allocators->malloc(sizeof(gnPlatformInstance), allocators->userData);
return GN_SUCCESS;
}
gnReturnCode metalQueryDevices(gnInstanceHandle instance, uint32_t* count, gnPhysicalDeviceHandle* devices) {
if (instance == GN_NULL_HANDLE) return NULL;
NSArray *metalDevices = MTLCopyAllDevices();
*count = (uint32_t)[metalDevices count];
if (devices == NULL) return GN_SUCCESS;
for (int i = 0; i < *count; i++)
devices[i] = (uint64_t)metalDevices[i];
return GN_SUCCESS;
}
void metalDestroyInstance(gnInstanceHandle instance, gryphnInstanceFunctionLayers* next, gnAllocators* allocators) {
if (next != NULL) return;
allocators->free(instance->instance, allocators->userData);

1
projects/loader/src/gryphn_instance_functions.h
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@@ -25,7 +25,6 @@ typedef gnReturnCode (*PFN_gnInstanceQueryDevices)(gnInstanceHandle, uint32_t*,
typedef void (*PFN_gnDestroyInstance)(gnInstanceHandle, gryphnInstanceFunctionLayers*, gnAllocators*);
typedef struct gnInstanceFunctions {
gnPhysicalDevice* (*_gnGetPhysicalDevices)(gnInstanceHandle instance, uint32_t* count);
gnBool (*_gnPhysicalDeviceCanPresentToSurface)(gnPhysicalDevice device, gnWindowSurfaceHandle windowSurface);
gnReturnCode (*_gnCreateOutputDevice)(gnInstanceHandle instance, gnOutputDeviceHandle device, gnOutputDeviceInfo deviceInfo);