81 lines
2.2 KiB
Plaintext
81 lines
2.2 KiB
Plaintext
#!amber
|
|
|
|
DEVICE_EXTENSION VK_KHR_acceleration_structure
|
|
DEVICE_EXTENSION VK_KHR_ray_tracing_pipeline
|
|
DEVICE_EXTENSION VK_KHR_buffer_device_address
|
|
DEVICE_FEATURE RayTracingPipelineFeaturesKHR.rayTracingPipeline
|
|
DEVICE_FEATURE AccelerationStructureFeaturesKHR.accelerationStructure
|
|
DEVICE_FEATURE BufferDeviceAddressFeatures.bufferDeviceAddress
|
|
|
|
SHADER ray_generation raygeneration1 GLSL
|
|
#version 460 core
|
|
#extension GL_EXT_ray_tracing : require
|
|
layout(location = 0) rayPayloadEXT int payload;
|
|
layout(set = 0, binding = 0) uniform accelerationStructureEXT gScene;
|
|
|
|
void main()
|
|
{
|
|
float TMin = 0.1;
|
|
float TMax = 10;
|
|
vec3 Origin = vec3(0, 0, -2);
|
|
vec3 Direction = vec3(0, 0, 1);
|
|
|
|
// Geometry below is explicitly marked opaque
|
|
|
|
// Since we force none opaque, we will call AHS
|
|
payload = 0;
|
|
traceRayEXT(gScene, gl_RayFlagsNoOpaqueEXT, 0xff, 0, 0, 0, Origin, TMin, Direction, TMax, 0);
|
|
|
|
// In this case instead, we will not call AHS
|
|
payload = 1;
|
|
traceRayEXT(gScene, gl_RayFlagsNoneEXT, 0xff, 0, 0, 0, Origin, TMin, Direction, TMax, 0);
|
|
}
|
|
END
|
|
|
|
SHADER any_hit anyhit1 GLSL
|
|
#version 460 core
|
|
#extension GL_EXT_ray_tracing : require
|
|
layout(location = 0) rayPayloadInEXT int payload;
|
|
layout(set = 0, binding = 1, r32i) uniform iimage1D result;
|
|
|
|
void main()
|
|
{
|
|
imageStore(result, payload, ivec4(1, 0, 0, 0));
|
|
}
|
|
END
|
|
|
|
ACCELERATION_STRUCTURE BOTTOM_LEVEL triangle_blas
|
|
GEOMETRY TRIANGLES
|
|
0.0 -0.75 1.0
|
|
-0.75 0.75 1.0
|
|
0.75 0.75 1.0
|
|
END
|
|
END
|
|
ACCELERATION_STRUCTURE TOP_LEVEL triangle_tlas
|
|
BOTTOM_LEVEL_INSTANCE triangle_blas
|
|
FLAGS FORCE_OPAQUE
|
|
END
|
|
END
|
|
|
|
IMAGE outbuf FORMAT R32_SINT DIM_1D WIDTH 2 FILL 0
|
|
|
|
PIPELINE raytracing my_rtpipeline
|
|
MAX_RAY_PAYLOAD_SIZE 16
|
|
MAX_RAY_HIT_ATTRIBUTE_SIZE 8
|
|
MAX_RAY_RECURSION_DEPTH 1
|
|
BIND ACCELERATION_STRUCTURE triangle_tlas DESCRIPTOR_SET 0 BINDING 0
|
|
BIND BUFFER outbuf AS storage_image DESCRIPTOR_SET 0 BINDING 1
|
|
SHADER_GROUP group_rgen raygeneration1
|
|
SHADER_GROUP group_hits anyhit1
|
|
SHADER_BINDING_TABLE sbt_raygen
|
|
group_rgen
|
|
END
|
|
SHADER_BINDING_TABLE sbt_hit
|
|
group_hits
|
|
END
|
|
END
|
|
|
|
RUN my_rtpipeline RAYGEN sbt_raygen HIT sbt_hit 2 1 1
|
|
|
|
EXPECT outbuf IDX 0 EQ 1 0
|