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Trace the sun
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1d51bc17de
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2 changed files with 38 additions and 0 deletions
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@ -74,6 +74,30 @@ void main()
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}
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vec3 incoming = vec3(0.0);
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// Sun light
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{
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const float dist = 32768.0;
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rayQueryEXT rayQuery;
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rayQueryInitializeEXT(rayQuery, acc, gl_RayFlagsTerminateOnFirstHitEXT, 0xFF, origin, minDistance, SunDir, dist);
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while(rayQueryProceedEXT(rayQuery))
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{
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if (rayQueryGetIntersectionTypeEXT(rayQuery, false) == gl_RayQueryCommittedIntersectionTriangleEXT)
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{
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rayQueryConfirmIntersectionEXT(rayQuery);
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}
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}
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if (rayQueryGetIntersectionTypeEXT(rayQuery, true) == gl_RayQueryCommittedIntersectionTriangleEXT)
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{
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int primitiveID = rayQueryGetIntersectionPrimitiveIndexEXT(rayQuery, true);
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SurfaceInfo surface = surfaces[surfaceIndices[primitiveID]];
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incoming.rgb += SunColor * SunIntensity * surface.Sky;
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}
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}
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for (uint j = LightStart; j < LightEnd; j++)
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{
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LightInfo light = lights[j];
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@ -44,6 +44,20 @@ void GPURaytracer2::Raytrace(LevelMesh* level)
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BeginCommands();
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Uniforms2 uniforms = {};
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uniforms.SunDir = mesh->map->GetSunDirection();
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uniforms.SunColor = mesh->map->GetSunColor();
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uniforms.SunIntensity = 1.0f;
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mappedUniforms = (uint8_t*)uniformTransferBuffer->Map(0, uniformStructs * uniformStructStride);
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*reinterpret_cast<Uniforms2*>(mappedUniforms + uniformStructStride * uniformsIndex) = uniforms;
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uniformTransferBuffer->Unmap();
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cmdbuffer->copyBuffer(uniformTransferBuffer.get(), uniformBuffer.get());
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PipelineBarrier()
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.AddBuffer(uniformBuffer.get(), VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_SHADER_READ_BIT)
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.Execute(cmdbuffer.get(), VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
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std::vector<LightmapImage> surfaceImages;
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for (size_t i = 0; i < mesh->surfaces.size(); i++)
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