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vulkan triangle

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This commit is contained in:
Jorijn van der Graaf 2026-01-29 19:18:47 +01:00
commit 96b5d1a299
8 changed files with 170 additions and 48 deletions
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72
interfaces/Crafter.Graphics-PipelineRTVulkan.cppm
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@ -30,7 +30,7 @@ import :VulkanBuffer;
import :Types;
export namespace Crafter {
template <typename Raygen, typename... Shaders>
template <typename Raygen, typename ClosestHit, typename Miss, typename... Shaders>
class PipelineRTVulkan {
public:
inline static VkPipeline pipeline;
@ -51,7 +51,7 @@ export namespace Crafter {
VulkanDevice::CheckVkResult(vkCreatePipelineLayout(VulkanDevice::device, &pipelineLayoutInfo, nullptr, &pipelineLayout));
std::array<VkPipelineShaderStageCreateInfo, 1> shaderStages;
std::array<VkPipelineShaderStageCreateInfo, 3> shaderStages;
shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
shaderStages[0].stage = Raygen::_stage;
@ -61,20 +61,56 @@ export namespace Crafter {
shaderStages[0].pSpecializationInfo = nullptr;
shaderStages[0].pNext = nullptr;
VkRayTracingShaderGroupCreateInfoKHR group {
.sType = VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR,
.generalShader = 0,
.closestHitShader = VK_SHADER_UNUSED_KHR,
.anyHitShader = VK_SHADER_UNUSED_KHR,
.intersectionShader = VK_SHADER_UNUSED_KHR
};
shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
shaderStages[1].stage = Miss::_stage;
shaderStages[1].module = Miss::shader;
shaderStages[1].pName = Miss::_entrypoint.value;
shaderStages[1].flags = 0;
shaderStages[1].pSpecializationInfo = nullptr;
shaderStages[1].pNext = nullptr;
shaderStages[2].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
shaderStages[2].stage = ClosestHit::_stage;
shaderStages[2].module = ClosestHit::shader;
shaderStages[2].pName = ClosestHit::_entrypoint.value;
shaderStages[2].flags = 0;
shaderStages[2].pSpecializationInfo = nullptr;
shaderStages[2].pNext = nullptr;
std::array<VkRayTracingShaderGroupCreateInfoKHR, 3> groups {{
{
.sType = VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR,
.type = VK_RAY_TRACING_SHADER_GROUP_TYPE_GENERAL_KHR,
.generalShader = 0,
.closestHitShader = VK_SHADER_UNUSED_KHR,
.anyHitShader = VK_SHADER_UNUSED_KHR,
.intersectionShader = VK_SHADER_UNUSED_KHR
},
{
.sType = VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR,
.type = VK_RAY_TRACING_SHADER_GROUP_TYPE_GENERAL_KHR,
.generalShader = 1,
.closestHitShader = VK_SHADER_UNUSED_KHR,
.anyHitShader = VK_SHADER_UNUSED_KHR,
.intersectionShader = VK_SHADER_UNUSED_KHR
},
{
.sType = VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR,
.type = VK_RAY_TRACING_SHADER_GROUP_TYPE_TRIANGLES_HIT_GROUP_KHR,
.generalShader = VK_SHADER_UNUSED_KHR,
.closestHitShader = 2,
.anyHitShader = VK_SHADER_UNUSED_KHR,
.intersectionShader = VK_SHADER_UNUSED_KHR
}
}};
VkRayTracingPipelineCreateInfoKHR rtPipelineInfo{
.sType = VK_STRUCTURE_TYPE_RAY_TRACING_PIPELINE_CREATE_INFO_KHR,
.stageCount = static_cast<std::uint32_t>(shaderStages.size()),
.pStages = shaderStages.data(),
.groupCount = static_cast<std::uint32_t>(1),
.pGroups = &group,
.groupCount = static_cast<std::uint32_t>(groups.size()),
.pGroups = groups.data(),
.maxPipelineRayRecursionDepth = 1,
.layout = pipelineLayout
};
@ -110,13 +146,15 @@ export namespace Crafter {
raygenRegion.stride = raygenSize;
raygenRegion.size = raygenSize;
missRegion.deviceAddress = 0;
missRegion.stride = 0;
missRegion.size = 0;
std::memcpy(sbtBuffer.value + missOffset, shaderHandles.data() + 1 * handleSize, handleSize);
missRegion.deviceAddress = sbtBuffer.address + missOffset;
missRegion.stride = missSize;
missRegion.size = missSize;
hitRegion.deviceAddress = 0;
hitRegion.stride = 0;
hitRegion.size = 0;
std::memcpy(sbtBuffer.value + hitOffset, shaderHandles.data() + 2 * handleSize, handleSize);
hitRegion.deviceAddress = sbtBuffer.address + hitOffset;
hitRegion.stride = hitSize;
hitRegion.size = hitSize;
callableRegion.deviceAddress = 0;
callableRegion.stride = 0;