OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Toy with raytracing

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This commit is contained in:
Magnus Norddahl 2025-06-24 21:20:48 +02:00
commit 523aaedecf
6 changed files with 139 additions and 46 deletions
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6
src/common/rendering/vulkan/vk_levelmesh.cpp
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@ -645,13 +645,17 @@ void VkLevelMesh::RaytraceScene(const VkRenderPassKey& renderPassKey, VulkanComm
float f = 1.0f / std::tan(fovy * (pi::pif() / 360.0f));
ViewerPushConstants pushconstants;
pushconstants.ViewToWorld = viewToWorld;
pushconstants.CameraPos = cameraPos;
pushconstants.ProjX = f / aspect;
pushconstants.ProjY = f;
pushconstants.SunDir = FVector3(Mesh->SunDirection.X, Mesh->SunDirection.Z, Mesh->SunDirection.Y);
pushconstants.SunColor = Mesh->SunColor;
pushconstants.SunIntensity = Mesh->SunIntensity;
pushconstants.ViewX = (viewToWorld * FVector4(1.0f, 0.0f, 0.0f, 1.0f)).XYZ() - cameraPos;
pushconstants.ViewY = (viewToWorld * FVector4(0.0f, 1.0f, 0.0f, 1.0f)).XYZ() - cameraPos;
pushconstants.ViewZ = (viewToWorld * FVector4(0.0f, 0.0f, 1.0f, 1.0f)).XYZ() - cameraPos;
pushconstants.ResolutionScaleX = 2.0f / fb->GetWidth();
pushconstants.ResolutionScaleY = 2.0f / fb->GetHeight();
commands->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, Viewer.PipelineLayout.get(), 0, Viewer.DescriptorSet.get());
commands->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, Viewer.PipelineLayout.get(), 1, fb->GetDescriptorSetManager()->GetBindlessSet());

7
src/common/rendering/vulkan/vk_levelmesh.h
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@ -55,13 +55,18 @@ struct LightInfo
struct ViewerPushConstants
{
VSMatrix ViewToWorld;
FVector3 CameraPos;
float ProjX;
FVector3 SunDir;
float ProjY;
FVector3 SunColor;
float SunIntensity;
FVector3 ViewX;
float ResolutionScaleX;
FVector3 ViewY;
float ResolutionScaleY;
FVector3 ViewZ;
float Unused;
};
static_assert(sizeof(LightInfo) == sizeof(float) * 20);