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i hate metal cpp

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Dynamitos
2025-02-27 20:25:53 +09:00
parent 961cb527af
commit 3fa51f7152
23 changed files with 525 additions and 437 deletions
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src/metal/Compute.metal
+6 -4
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@@ -133,8 +133,8 @@ kernel void computeKernel(
constant PointLight* pointLights [[buffer(6)]],
constant MTLAccelerationStructureInstanceDescriptor* instances [[buffer(7)]],
instance_acceleration_structure accelerationStructure [[buffer(8)]],
device packed_float3* accumulator [[buffer(9)]],
device packed_float3* image [[buffer(10)]]
texture2d<float, access::read_write> accumulator [[texture(0)]],
texture2d<float, access::read_write> image [[texture(1)]]
)
{
Payload payload;
@@ -267,6 +267,8 @@ kernel void computeKernel(
payload.depth++;
}
float resolver = float(sample.samplesPerPixel) / float(sample.pass+1);
accumulator[threadId.x + threadId.y * camera.width] += payload.accumulatedRadiance / float(sample.samplesPerPixel);
image[threadId.x + threadId.y * camera.width] = pow(max(accumulator[threadId.x + threadId.y * camera.width] * resolver, 0), float3(0.45f));
float4 previous = accumulator.read(threadId);
float4 result = previous + float4(payload.accumulatedRadiance / float(sample.samplesPerPixel), 0);
accumulator.write(result, threadId);
image.write(pow(max(result * resolver, 0), float4(0.45f)), threadId);
}