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Improving updateUniformBuffer and search paths

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This commit is contained in:
mklefrancois 2020-11-24 16:31:21 +01:00
parent 9dc142760f
commit 0bac428ad5
40 changed files with 458 additions and 363 deletions
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26
ray_tracing_manyhits/hello_vulkan.cpp
View file

@ -72,7 +72,7 @@ void HelloVulkan::setup(const vk::Instance& instance,
//--------------------------------------------------------------------------------------------------
// Called at each frame to update the camera matrix
//
void HelloVulkan::updateUniformBuffer()
void HelloVulkan::updateUniformBuffer(const vk::CommandBuffer& cmdBuf)
{
const float aspectRatio = m_size.width / static_cast<float>(m_size.height);
@ -84,9 +84,15 @@ void HelloVulkan::updateUniformBuffer()
// #VKRay
ubo.projInverse = nvmath::invert(ubo.proj);
void* data = m_device.mapMemory(m_cameraMat.allocation, 0, sizeof(ubo));
memcpy(data, &ubo, sizeof(ubo));
m_device.unmapMemory(m_cameraMat.allocation);
cmdBuf.updateBuffer<CameraMatrices>(m_cameraMat.buffer, 0, ubo);
// Making sure the matrix buffer will be available
vk::MemoryBarrier mb{vk::AccessFlagBits::eTransferWrite, vk::AccessFlagBits::eShaderRead};
cmdBuf.pipelineBarrier(vk::PipelineStageFlagBits::eTransfer,
vk::PipelineStageFlagBits::eVertexShader
| vk::PipelineStageFlagBits::eAccelerationStructureBuildKHR,
vk::DependencyFlagBits::eDeviceGroup, {mb}, {}, {});
}
//--------------------------------------------------------------------------------------------------
@ -271,8 +277,8 @@ void HelloVulkan::createUniformBuffer()
using vkBU = vk::BufferUsageFlagBits;
using vkMP = vk::MemoryPropertyFlagBits;
m_cameraMat = m_alloc.createBuffer(sizeof(CameraMatrices), vkBU::eUniformBuffer,
vkMP::eHostVisible | vkMP::eHostCoherent);
m_cameraMat = m_alloc.createBuffer(sizeof(CameraMatrices),
vkBU::eUniformBuffer | vkBU::eTransferDst, vkMP::eDeviceLocal);
m_debug.setObjectName(m_cameraMat.buffer, "cameraMat");
}
@ -658,10 +664,10 @@ nvvk::RaytracingBuilderKHR::BlasInput HelloVulkan::objectToVkGeometryKHR(const O
offset.setPrimitiveOffset(0);
offset.setTransformOffset(0);
nvvk::RaytracingBuilderKHR::BlasInput blas;
blas.asGeometry.emplace_back(asGeom);
blas.asBuildOffsetInfo.emplace_back(offset);
return blas;
nvvk::RaytracingBuilderKHR::BlasInput input;
input.asGeometry.emplace_back(asGeom);
input.asBuildOffsetInfo.emplace_back(offset);
return input;
}
void HelloVulkan::createBottomLevelAS()

2
ray_tracing_manyhits/hello_vulkan.h
View file

@ -57,7 +57,7 @@ public:
void createSceneDescriptionBuffer();
void createTextureImages(const vk::CommandBuffer& cmdBuf,
const std::vector<std::string>& textures);
void updateUniformBuffer();
void updateUniformBuffer(const vk::CommandBuffer& cmdBuf);
void onResize(int /*w*/, int /*h*/) override;
void destroyResources();
void rasterize(const vk::CommandBuffer& cmdBuff);

30
ray_tracing_manyhits/main.cpp
View file

@ -112,6 +112,8 @@ int main(int argc, char** argv)
// Search path for shaders and other media
defaultSearchPaths = {
PROJECT_ABSDIRECTORY,
PROJECT_ABSDIRECTORY "..",
NVPSystem::exePath(),
NVPSystem::exePath() + "..",
NVPSystem::exePath() + std::string(PROJECT_NAME),
@ -227,9 +229,6 @@ int main(int argc, char** argv)
ImGui_ImplGlfw_NewFrame();
ImGui::NewFrame();
// Updating camera buffer
helloVk.updateUniformBuffer();
// Show UI window.
if(helloVk.showGui())
{
@ -249,9 +248,12 @@ int main(int argc, char** argv)
// Start command buffer of this frame
auto curFrame = helloVk.getCurFrame();
const vk::CommandBuffer& cmdBuff = helloVk.getCommandBuffers()[curFrame];
const vk::CommandBuffer& cmdBuf = helloVk.getCommandBuffers()[curFrame];
cmdBuff.begin({vk::CommandBufferUsageFlagBits::eOneTimeSubmit});
cmdBuf.begin({vk::CommandBufferUsageFlagBits::eOneTimeSubmit});
// Updating camera buffer
helloVk.updateUniformBuffer(cmdBuf);
// Clearing screen
vk::ClearValue clearValues[2];
@ -271,13 +273,13 @@ int main(int argc, char** argv)
// Rendering Scene
if(useRaytracer)
{
helloVk.raytrace(cmdBuff, clearColor);
helloVk.raytrace(cmdBuf, clearColor);
}
else
{
cmdBuff.beginRenderPass(offscreenRenderPassBeginInfo, vk::SubpassContents::eInline);
helloVk.rasterize(cmdBuff);
cmdBuff.endRenderPass();
cmdBuf.beginRenderPass(offscreenRenderPassBeginInfo, vk::SubpassContents::eInline);
helloVk.rasterize(cmdBuf);
cmdBuf.endRenderPass();
}
}
@ -290,17 +292,17 @@ int main(int argc, char** argv)
postRenderPassBeginInfo.setFramebuffer(helloVk.getFramebuffers()[curFrame]);
postRenderPassBeginInfo.setRenderArea({{}, helloVk.getSize()});
cmdBuff.beginRenderPass(postRenderPassBeginInfo, vk::SubpassContents::eInline);
cmdBuf.beginRenderPass(postRenderPassBeginInfo, vk::SubpassContents::eInline);
// Rendering tonemapper
helloVk.drawPost(cmdBuff);
helloVk.drawPost(cmdBuf);
// Rendering UI
ImGui::Render();
ImGui::RenderDrawDataVK(cmdBuff, ImGui::GetDrawData());
cmdBuff.endRenderPass();
ImGui::RenderDrawDataVK(cmdBuf, ImGui::GetDrawData());
cmdBuf.endRenderPass();
}
// Submit for display
cmdBuff.end();
cmdBuf.end();
helloVk.submitFrame();
}