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Enumerate physical devices to check for any supporting shaderFloat64

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Camden Dixie O'Brien 2025-01-17 15:12:46 +00:00
parent 03364ad387
commit a8acdc4b01
1 changed files with 16 additions and 8 deletions
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24
main.c
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@ -15,6 +15,7 @@
#define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MAX(a, b) ((a) > (b) ? (a) : (b))
#define CLAMP(x, min, max) MAX((min), MIN(x, (max))) #define CLAMP(x, min, max) MAX((min), MIN(x, (max)))
#define PHYSICAL_DEV_BUFFER_SIZE 8
#define QUEUE_FAMILY_PROP_BUFFER_SIZE 16 #define QUEUE_FAMILY_PROP_BUFFER_SIZE 16
#define EXT_PROP_BUFFER_SIZE 256 #define EXT_PROP_BUFFER_SIZE 256
#define SURFACE_FMT_BUFFER_SIZE 64 #define SURFACE_FMT_BUFFER_SIZE 64
@ -96,15 +97,22 @@ int main(void)
assert(result == VK_SUCCESS); assert(result == VK_SUCCESS);
// Select a physical device // Select a physical device
VkPhysicalDevice physical_devs[PHYSICAL_DEV_BUFFER_SIZE];
uint32_t dev_count = PHYSICAL_DEV_BUFFER_SIZE;
result = vkEnumeratePhysicalDevices(inst, &dev_count, physical_devs);
assert(result == VK_SUCCESS);
bool found_physical_dev = false;
VkPhysicalDevice physical_dev; VkPhysicalDevice physical_dev;
uint32_t dev_count = 1; for (unsigned i = 0; i < dev_count; ++i) {
result = vkEnumeratePhysicalDevices(inst, &dev_count, &physical_dev); // Check that the device supports double precision
assert(result == VK_SUCCESS || result == VK_INCOMPLETE); VkPhysicalDeviceFeatures features;
vkGetPhysicalDeviceFeatures(physical_devs[i], &features);
// Check that the device supports double precision if (features.shaderFloat64) {
VkPhysicalDeviceFeatures features; physical_dev = physical_devs[i];
vkGetPhysicalDeviceFeatures(physical_dev, &features); found_physical_dev = true;
assert(features.shaderFloat64); }
}
assert(found_physical_dev);
// Select queue family // Select queue family
uint32_t queue_family_count = QUEUE_FAMILY_PROP_BUFFER_SIZE; uint32_t queue_family_count = QUEUE_FAMILY_PROP_BUFFER_SIZE;