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add support for multisample count

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This commit is contained in:
Greg Wells
2025-07-05 16:28:05 -04:00
parent 16c5d8cff2
commit 2ffa5adbb9
3 changed files with 31 additions and 3 deletions
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2
projects/apis/vulkan/src/output_device/vulkan_output_device.c
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@@ -22,8 +22,6 @@ gnReturnCode createOutputDevice(gnOutputDeviceHandle outputDevice, gnInstanceHan
.samplerAnisotropy = VK_TRUE
};
VkDeviceCreateInfo deviceCreateInfo = {
.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
.queueCreateInfoCount = deviceInfo.queueInfoCount,

19
projects/apis/vulkan/src/output_device/vulkan_physical_device.c
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@@ -3,6 +3,23 @@
#include <output_device/vulkan_device_extensions.h>
#include <vulkan_surface/vulkan_surface.h>
gnMultisampleCountFlags getVulkanSampleCount(VkPhysicalDevice device) {
VkPhysicalDeviceProperties physicalDeviceProperties;
vkGetPhysicalDeviceProperties(device, &physicalDeviceProperties);
VkSampleCountFlags counts = physicalDeviceProperties.limits.framebufferColorSampleCounts & physicalDeviceProperties.limits.framebufferDepthSampleCounts;
gnMultisampleCountFlags sampleCount = GN_SAMPLES_NONE;
if (counts & VK_SAMPLE_COUNT_64_BIT) { sampleCount |= GN_SAMPLE_BIT_64; }
if (counts & VK_SAMPLE_COUNT_32_BIT) { sampleCount |= GN_SAMPLE_BIT_32; }
if (counts & VK_SAMPLE_COUNT_16_BIT) { sampleCount |= GN_SAMPLE_BIT_16; }
if (counts & VK_SAMPLE_COUNT_8_BIT) { sampleCount |= GN_SAMPLE_BIT_8; }
if (counts & VK_SAMPLE_COUNT_4_BIT) { sampleCount |= GN_SAMPLE_BIT_4; }
if (counts & VK_SAMPLE_COUNT_2_BIT) { sampleCount |= GN_SAMPLE_BIT_2; }
if (counts & VK_SAMPLE_COUNT_1_BIT) { sampleCount |= GN_SAMPLE_BIT_1; }
return sampleCount;
}
gnPhysicalDevice* getPhysicalDevices(gnInstanceHandle instance, uint32_t* deviceCount) {
vkEnumeratePhysicalDevices(instance->instance->vk_instance, deviceCount, NULL);
if (deviceCount == 0)
@@ -43,6 +60,8 @@ gnPhysicalDevice* getPhysicalDevices(gnInstanceHandle instance, uint32_t* device
if (queueFamilies[i].queueFlags & VK_QUEUE_SPARSE_BINDING_BIT) finalQueueType |= GN_QUEUE_SPARSE_BINDING;
outputDevices[i].queueProperties.queueProperties[i].queueType = finalQueueType;
}
outputDevices[i].features.avaliableSamples = getVulkanSampleCount(physicalDevices[i]);
}
free(physicalDevices);

13
projects/core/src/output_device/gryphn_physical_output_device.h
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@@ -7,13 +7,24 @@ typedef enum gnDeviceType {
GN_DEDICATED_DEVICE, GN_INTEGRATED_DEVICE, GN_EXTERNAL_DEVICE
} gnDeviceType;
typedef enum gnMultisampleCountFlags {
GN_SAMPLES_NONE = 0,
GN_SAMPLE_BIT_1 = 1 << 0, // 0x01
GN_SAMPLE_BIT_2 = 1 << 1, // 0x02
GN_SAMPLE_BIT_4 = 1 << 2, // 0x04
GN_SAMPLE_BIT_8 = 1 << 3, // 0x08
GN_SAMPLE_BIT_16 = 1 << 4, // 0x10
GN_SAMPLE_BIT_32 = 1 << 5, // 0x20
GN_SAMPLE_BIT_64 = 1 << 6, // 0x40
} gnMultisampleCountFlags;
typedef struct gnPhysicalDeviceProperties {
gnString name;
gnDeviceType deviceType;
} gnPhysicalDeviceProperties;
typedef struct gnPhysicalDeviceFeatures {
gnBool supportsGeometryShader;
gnMultisampleCountFlags avaliableSamples;
} gnPhysicalDeviceFeatures;
typedef enum gnQueueTypeFlags {