111 lines
2.3 KiB
Plaintext
111 lines
2.3 KiB
Plaintext
#!amber
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DEVICE_EXTENSION VK_KHR_acceleration_structure
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DEVICE_EXTENSION VK_KHR_ray_tracing_pipeline
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DEVICE_EXTENSION VK_KHR_buffer_device_address
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DEVICE_FEATURE RayTracingPipelineFeaturesKHR.rayTracingPipeline
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DEVICE_FEATURE AccelerationStructureFeaturesKHR.accelerationStructure
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DEVICE_FEATURE BufferDeviceAddressFeatures.bufferDeviceAddress
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SHADER ray_generation r1 GLSL
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#version 460 core
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#extension GL_EXT_ray_tracing : require
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layout(set = 0, binding = 0, r32i) uniform iimage2D result;
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void main()
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{
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ivec2 p = ivec2(gl_LaunchIDEXT);
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ivec3 v = ivec3(gl_LaunchIDEXT);
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int r = v.x + 256 * (v.y + 256 * v.z) + 1;
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ivec4 c = ivec4(r,0,0,1);
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imageStore(result, p, c);
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}
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END
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SHADER intersection i1 GLSL
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#version 460 core
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#extension GL_EXT_ray_tracing : require
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hitAttributeEXT vec3 hitAttribute;
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void main()
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{
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reportIntersectionEXT(0.95f, 0x7Eu);
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}
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END
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SHADER miss m1 GLSL
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#version 460 core
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#extension GL_EXT_ray_tracing : require
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layout(location = 0) rayPayloadInEXT uvec4 hitValue;
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void main()
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{
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hitValue = uvec4(1,0,0,1);
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}
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END
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SHADER closest_hit c1 GLSL
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#version 460 core
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#extension GL_EXT_ray_tracing : require
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hitAttributeEXT vec3 attribs;
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layout(location = 0) rayPayloadInEXT vec3 hitValue;
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void main()
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{
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}
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END
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SHADER any_hit a1 GLSL
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#version 460 core
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#extension GL_EXT_ray_tracing : require
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hitAttributeEXT vec3 attribs;
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layout(location = 0) rayPayloadInEXT vec3 hitValue;
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void main()
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{
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}
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END
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ACCELERATION_STRUCTURE BOTTOM_LEVEL blas1
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GEOMETRY AABBS
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0.0 0.0 -0.1 1.0 1.0 0.1
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END
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END
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ACCELERATION_STRUCTURE BOTTOM_LEVEL blas2
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GEOMETRY TRIANGLES
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-1.0 1.0 0.1
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1.0 1.0 0.1
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-1.0 -1.0 0.1
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1.0 -1.0 0.1
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-1.0 -1.0 0.1
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1.0 1.0 0.1
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END
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END
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ACCELERATION_STRUCTURE TOP_LEVEL tlas1
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BOTTOM_LEVEL_INSTANCE blas2
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END
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END
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IMAGE img1 FORMAT R32_SINT DIM_2D WIDTH 2 HEIGHT 2 FILL 0
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PIPELINE raytracing my_rtpipeline
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BIND BUFFER img1 AS storage_image DESCRIPTOR_SET 0 BINDING 0
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BIND ACCELERATION_STRUCTURE tlas1 DESCRIPTOR_SET 0 BINDING 1
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SHADER_GROUP g1 r1
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SHADER_GROUP g2 m1
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SHADER_GROUP g3 a1 c1 i1
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SHADER_BINDING_TABLE raygen_sbt
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g1
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END
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SHADER_BINDING_TABLE miss_sbt
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g2
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END
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SHADER_BINDING_TABLE hit_sbt
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g3
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END
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END
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RUN my_rtpipeline RAYGEN raygen_sbt 2 2 1
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EXPECT img1 IDX 0 EQ 1 2 257 258
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#EXPECT img1 IDX 0 EQ 1
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