Catcrafts/Crafter.Graphics
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instance transform

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This commit is contained in:
Jorijn van der Graaf 2026-01-29 20:35:55 +01:00
commit 83bb8ebd61
4 changed files with 17 additions and 10 deletions
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5
examples/VulkanTriangle/main.cpp
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@ -4,6 +4,7 @@ import Crafter.Graphics;
using namespace Crafter;
import std;
import Crafter.Event;
import Crafter.Math;
typedef VulkanShader<"raygen.spv", "main", VK_SHADER_STAGE_RAYGEN_BIT_KHR, 2, {{{VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0}, {VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1}}}> Raygenspv;
typedef VulkanShader<"closesthit.spv", "main", VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR, 0, {{}}> Closesthitspv;
@ -39,7 +40,9 @@ int main() {
std::array<Vertex, 3> verts {{{-150, -150, 100}, {0, 150, 100}, {150, -150, 100}}};
std::array<std::uint32_t, 3> index {{2,1,0}};
triangleMesh.Build(verts, index, cmd);
RenderingElement3DVulkan::elements.emplace_back(triangleMesh);
RenderingElement3DVulkan& el = RenderingElement3DVulkan::elements.emplace_back(triangleMesh);
MatrixRowMajor<float, 4, 3, 1> transform = MatrixRowMajor<float, 4, 3, 1>::Identity();
std::memcpy(el.instance.transform.matrix, transform.m, sizeof(transform.m));
RenderingElement3DVulkan::tlases.resize(1);
RenderingElement3DVulkan::BuildTLAS(cmd, 0);

9
implementations/Crafter.Graphics-RenderingElement3DVulkan.cpp
View file

@ -28,14 +28,6 @@ using namespace Crafter;
std::vector<RenderingElement3DVulkan> RenderingElement3DVulkan::elements;
RenderingElement3DVulkan::RenderingElement3DVulkan(Mesh& mesh) {
VkTransformMatrixKHR identity{};
float tmp[3][4] = {
{1.f, 0.f, 0.f, 0.f},
{0.f, 1.f, 0.f, 0.f},
{0.f, 0.f, 1.f, 0.f}
};
std::memcpy(identity.matrix, tmp, sizeof(tmp));
VkAccelerationStructureDeviceAddressInfoKHR addrInfo {
.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_DEVICE_ADDRESS_INFO_KHR,
.accelerationStructure = mesh.accelerationStructure
@ -43,7 +35,6 @@ RenderingElement3DVulkan::RenderingElement3DVulkan(Mesh& mesh) {
VkDeviceAddress blasDeviceAddr = VulkanDevice::vkGetAccelerationStructureDeviceAddressKHR(VulkanDevice::device, &addrInfo);
instance = {
.transform = identity,
.instanceCustomIndex = 0,
.mask = 0xFF,
.instanceShaderBindingTableRecordOffset = 0,

1
interfaces/Crafter.Graphics-RenderingElement3DVulkan.cppm
View file

@ -26,6 +26,7 @@ export module Crafter.Graphics:RenderingElement3DVulkan;
import std;
import :Mesh;
import :VulkanBuffer;
import Crafter.Math;
export namespace Crafter {

12
project.json
View file

@ -39,6 +39,10 @@
{
"path":"https://forgejo.catcrafts.net/Catcrafts/Crafter.Event.git",
"configuration":"lib"
},
{
"path":"https://forgejo.catcrafts.net/Catcrafts/Crafter.Math.git",
"configuration":"lib"
}
]
},
@ -48,6 +52,10 @@
{
"path":"https://forgejo.catcrafts.net/Catcrafts/Crafter.Event.git",
"configuration":"lib-timing"
},
{
"path":"https://forgejo.catcrafts.net/Catcrafts/Crafter.Math.git",
"configuration":"lib"
}
]
},
@ -58,6 +66,10 @@
{
"path":"/home/jorijn/repos/Crafter/Crafter.Event/project.json",
"configuration":"lib-debug"
},
{
"path":"/home/jorijn/repos/Crafter/Crafter.Math/project.json",
"configuration":"lib-debug"
}
]
},