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Pick the highest possible msaa sample count

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Lorenzo Torres 2025-08-10 15:59:53 +02:00
parent 83af358d30
commit 4eed1778a6
1 changed files with 22 additions and 6 deletions
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28
src/rendering/PhysicalDevice.zig
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@ -164,12 +164,28 @@ pub fn create_device(self: *PhysicalDevice, surface: vk.Surface, allocator: Allo
const counts = device_properties.limits.framebufferColorSampleCounts & device_properties.limits.framebufferDepthSampleCounts;
var msaa_samples = c.VK_SAMPLE_COUNT_1_BIT;
if ((counts & c.VK_SAMPLE_COUNT_64_BIT) != 0) { msaa_samples = c.VK_SAMPLE_COUNT_64_BIT; }
if ((counts & c.VK_SAMPLE_COUNT_32_BIT) != 0) { msaa_samples = c.VK_SAMPLE_COUNT_32_BIT; }
if ((counts & c.VK_SAMPLE_COUNT_16_BIT) != 0) { msaa_samples = c.VK_SAMPLE_COUNT_16_BIT; }
if ((counts & c.VK_SAMPLE_COUNT_8_BIT) != 0) { msaa_samples = c.VK_SAMPLE_COUNT_8_BIT; }
if ((counts & c.VK_SAMPLE_COUNT_4_BIT) != 0) { msaa_samples = c.VK_SAMPLE_COUNT_4_BIT; }
if ((counts & c.VK_SAMPLE_COUNT_2_BIT) != 0) { msaa_samples = c.VK_SAMPLE_COUNT_2_BIT; }
var samples = @as(usize, 1);
if ((counts & c.VK_SAMPLE_COUNT_64_BIT) != 0) {
msaa_samples = c.VK_SAMPLE_COUNT_64_BIT;
samples = 64;
} else if ((counts & c.VK_SAMPLE_COUNT_32_BIT) != 0) {
msaa_samples = c.VK_SAMPLE_COUNT_32_BIT;
samples = 32;
} else if ((counts & c.VK_SAMPLE_COUNT_16_BIT) != 0) {
msaa_samples = c.VK_SAMPLE_COUNT_16_BIT;
samples = 16;
} else if ((counts & c.VK_SAMPLE_COUNT_8_BIT) != 0) {
msaa_samples = c.VK_SAMPLE_COUNT_8_BIT;
samples = 8;
} else if ((counts & c.VK_SAMPLE_COUNT_4_BIT) != 0) {
msaa_samples = c.VK_SAMPLE_COUNT_4_BIT;
samples = 4;
} else if ((counts & c.VK_SAMPLE_COUNT_2_BIT) != 0) {
msaa_samples = c.VK_SAMPLE_COUNT_2_BIT;
samples = 2;
}
std.debug.print("Using {} samples for MSAA\n", .{samples});
return .{
.handle = device,