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Lighting WIP. Some bug fixes. #119

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Xenosas1337 merged 8 commits from SP3-1-Rendering into main 2022-10-26 15:36:14 +08:00
Conversation 0 Commits 8 Files Changed 33 +108 -38
5 changed files with 108 additions and 38 deletions
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29
SHADE_Engine/src/Graphics/MiddleEnd/GlobalData/SHGraphicsGlobalData.cpp
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@ -4,6 +4,8 @@
#include "Graphics/Pipeline/SHPipelineState.h"
#include "Graphics/Pipeline/SHVkPipelineLayout.h"
#include "Graphics/Descriptors/SHVkDescriptorSetLayout.h"
#include "Graphics/MiddleEnd/Lights/SHLightData.h"
#include "Tools/SHUtilities.h"
namespace SHADE
{
@ -45,16 +47,35 @@ namespace SHADE
// For global data (generic data and textures)
Handle<SHVkDescriptorSetLayout> staticGlobalLayout = logicalDevice->CreateDescriptorSetLayout(SHGraphicsConstants::DescriptorSetIndex::STATIC_GLOBALS,{ genericDataBinding, texturesBinding });
SHVkDescriptorSetLayout::Binding lightBinding
std::vector<SHVkDescriptorSetLayout::Binding> lightBindings{};
for (uint32_t i = 0; i < SHUtilities::ToUnderlying(SH_LIGHT_TYPE::NUM_TYPES); ++i)
{
lightBindings.push_back (SHVkDescriptorSetLayout::Binding
{
.Type = vk::DescriptorType::eStorageBufferDynamic,
.Stage = vk::ShaderStageFlagBits::eFragment,
.BindPoint = SHGraphicsConstants::DescriptorSetBindings::DIRECTIONAL_LIGHT_DATA,
.BindPoint = i,
.DescriptorCount = 1,
};
});
}
//SHVkDescriptorSetLayout::Binding pointLightBinding
//{
// .Type = vk::DescriptorType::eStorageBufferDynamic,
// .Stage = vk::ShaderStageFlagBits::eFragment,
// .BindPoint = SHGraphicsConstants::DescriptorSetBindings::POINT_LIGHT_DATA,
// .DescriptorCount = 1,
//};
//SHVkDescriptorSetLayout::Binding spotLightBinding
//{
// .Type = vk::DescriptorType::eStorageBufferDynamic,
// .Stage = vk::ShaderStageFlagBits::eFragment,
// .BindPoint = SHGraphicsConstants::DescriptorSetBindings::SPOT_LIGHT_DATA,
// .DescriptorCount = 1,
//};
// For Dynamic global data (lights)
Handle<SHVkDescriptorSetLayout> dynamicGlobalLayout = logicalDevice->CreateDescriptorSetLayout(SHGraphicsConstants::DescriptorSetIndex::DYNAMIC_GLOBALS, { lightBinding });
Handle<SHVkDescriptorSetLayout> dynamicGlobalLayout = logicalDevice->CreateDescriptorSetLayout(SHGraphicsConstants::DescriptorSetIndex::DYNAMIC_GLOBALS, lightBindings);
SHVkDescriptorSetLayout::Binding cameraDataBinding
{

32
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsConstants.h
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@ -94,14 +94,32 @@ namespace SHADE
/***************************************************************************/
static constexpr uint32_t IMAGE_AND_SAMPLERS_DATA = 1;
/***************************************************************************/
/*!
\brief
DescriptorSet binding for lights.
///***************************************************************************/
///*!
// \brief
// DescriptorSet binding for directional lights.
*/
/***************************************************************************/
static constexpr uint32_t DIRECTIONAL_LIGHT_DATA = 0;
//*/
///***************************************************************************/
//static constexpr uint32_t DIRECTIONAL_LIGHT_DATA = 0;
///***************************************************************************/
///*!
// \brief
// DescriptorSet binding for directional lights.
//*/
///***************************************************************************/
//static constexpr uint32_t POINT_LIGHT_DATA = 1;
///***************************************************************************/
///*!
// \brief
// DescriptorSet binding for directional lights.
//*/
///***************************************************************************/
//static constexpr uint32_t SPOT_LIGHT_DATA = 2;
/***************************************************************************/
/*!

11
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp
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@ -36,6 +36,7 @@ of DigiPen Institute of Technology is prohibited.
#include "Graphics/Images/SHVkSampler.h"
#include "Assets/Asset Types/SHTextureAsset.h"
#include "Graphics/MiddleEnd/Interface/SHMousePickSystem.h"
#include "Graphics/MiddleEnd/Lights/SHLightingSubSystem.h"
namespace SHADE
{
@ -231,11 +232,15 @@ namespace SHADE
for (uint32_t i = 0; i < swapchain->GetNumImages(); ++i)
cmdPools.push_back(renderContext.GetFrameData(i).cmdPoolHdls[0]);
// Mouse picking system for the editor (Will still run with editor disabled)
mousePickSystem->Init(device, cmdPools, worldRenderGraph->GetRenderGraphResource("Entity ID"));
// Register the post offscreen render to the system
postOffscreenRender = resourceManager.Create<SHPostOffscreenRenderSystem>();
postOffscreenRender->Init(device, worldRenderGraph->GetRenderGraphResource("Scene"), descPool);
lightingSubSystem = resourceManager.Create<SHLightingSubSystem>();
lightingSubSystem->Init(device, descPool);
}
#ifdef SHEDITOR
@ -353,10 +358,12 @@ namespace SHADE
// Begin recording the command buffer
currentCmdBuffer->BeginRecording();
// set viewport and scissor
uint32_t w = static_cast<uint32_t>(viewports[vpIndex]->GetWidth());
uint32_t h = static_cast<uint32_t>(viewports[vpIndex]->GetHeight());
currentCmdBuffer->SetViewportScissor (static_cast<float>(w), static_cast<float>(h), w, h);
// Force set the pipeline layout
currentCmdBuffer->ForceSetPipelineLayout(SHGraphicsGlobalData::GetDummyPipelineLayout(), SH_PIPELINE_TYPE::GRAPHICS);
// Bind all the buffers required for meshes
@ -368,6 +375,8 @@ namespace SHADE
currentCmdBuffer->BindIndexBuffer(buffer, 0);
}
// Bind the descriptor set for lights
lightingSubSystem->Run(currentCmdBuffer, frameIndex);
// Bind textures
auto textureDescSet = texLibrary.GetTextureDescriptorSetGroup();
@ -401,7 +410,7 @@ namespace SHADE
renderers[renIndex]->UpdateDataAndBind(currentCmdBuffer, frameIndex);
#endif
// Draw first
// Draw the scene
renderers[renIndex]->Draw(frameIndex, descPool);
// End the command buffer recording

2
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.h
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@ -32,6 +32,7 @@ of DigiPen Institute of Technology is prohibited.
#include "../Textures/SHTextureLibrary.h"
#include "../Textures/SHVkSamplerCache.h"
#include "Graphics/MiddleEnd/Interface/SHPostOffscreenRenderSystem.h"
#include "Graphics/MiddleEnd/Lights/SHLightingSubSystem.h"
namespace SHADE
{
@ -351,6 +352,7 @@ namespace SHADE
// Sub systems
Handle<SHMousePickSystem> mousePickSystem;
Handle<SHPostOffscreenRenderSystem> postOffscreenRender;
Handle<SHLightingSubSystem> lightingSubSystem;
uint32_t resizeWidth;
uint32_t resizeHeight;

50
SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightingSubSystem.cpp
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@ -94,6 +94,12 @@ namespace SHADE
/***************************************************************************/
void SHLightingSubSystem::PerTypeData::Expand(Handle<SHVkLogicalDevice> logicalDevice) noexcept
{
if (lightDataAlignmentSize == 0)
{
SHLOG_ERROR ("One of the types of lights have not been accounted for. Make sure lightDataAlignmentSize is not nullptr.");
return;
}
// we want to wait for the command buffers to finish using the buffers first
logicalDevice->WaitIdle();
@ -159,15 +165,15 @@ namespace SHADE
{
case SH_LIGHT_TYPE::DIRECTIONAL:
// TOOD: Change after creating point light struct
return 0;
return sizeof(SHDirectionalLightData);
case SH_LIGHT_TYPE::POINT:
return sizeof (SHDirectionalLightData);
return 4;
case SH_LIGHT_TYPE::SPOT:
// TOOD: Change after creating spot light struct
return 0;
return 4;
case SH_LIGHT_TYPE::NUM_TYPES:
default:
return 0;
return 4;
}
}
@ -256,16 +262,19 @@ namespace SHADE
}
void SHLightingSubSystem::PerTypeData::WriteToGPU(uint32_t frameIndex) noexcept
{
if (intermediateData)
{
// we want to write to the offset of the current frame
dataBuffer->WriteToMemory(intermediateData.get(), lightDataAlignmentSize * numLights, 0, lightDataAlignmentSize * maxLights * frameIndex);
}
}
/***************************************************************************/
/*!
\brief
Update descriptor sets. We want to call this everytime we expand buffers.
Update descriptor sets. We want to call this every time we expand buffers.
\param binding
The binding in the set we want to update.
@ -281,7 +290,7 @@ namespace SHADE
binding,
{ &buffer, 1 },
0,
perTypeData[binding].GetAlignmentSize());
perTypeData[binding].GetAlignmentSize() * perTypeData[binding].GetMaxLights());
lightingDataDescSet->UpdateDescriptorSetBuffer(SHGraphicsConstants::DescriptorSetIndex::DYNAMIC_GLOBALS, binding);
}
@ -296,15 +305,17 @@ namespace SHADE
/***************************************************************************/
void SHLightingSubSystem::ComputeDynamicOffsets(void) noexcept
{
for (uint32_t i = 0; i < dynamicOffsets.size(); ++i)
for (uint32_t i = 0; i < SHGraphicsConstants::NUM_FRAME_BUFFERS; ++i)
{
auto const& typeData = perTypeData[i];
for (uint32_t j = 0; j < SHGraphicsConstants::NUM_FRAME_BUFFERS; ++j)
for (uint32_t j = 0; j < dynamicOffsets.size(); ++j)
{
auto const& typeData = perTypeData[j];
{
dynamicOffsets[i][j] = j * typeData.GetAlignmentSize() * typeData.GetMaxLights();
}
}
}
}
/***************************************************************************/
/*!
@ -319,17 +330,26 @@ namespace SHADE
void SHLightingSubSystem::Init(Handle<SHVkLogicalDevice> device, Handle<SHVkDescriptorPool> descPool) noexcept
{
logicalDevice = device;
uint32_t constexpr NUM_LIGHT_TYPES = SHUtilities::ToUnderlying(SH_LIGHT_TYPE::NUM_TYPES);
std::vector<uint32_t> variableSizes{ SHUtilities::ToUnderlying(SH_LIGHT_TYPE::NUM_TYPES) };
std::vector<uint32_t> variableSizes{ NUM_LIGHT_TYPES };
std::fill (variableSizes.begin(), variableSizes.end(), 1);
// Create the descriptor set
lightingDataDescSet = descPool->Allocate({SHGraphicsGlobalData::GetDescSetLayouts()[SHGraphicsConstants::DescriptorSetIndex::DYNAMIC_GLOBALS]}, variableSizes);
// initialize all the data first. We add more lights here as we add more types.
perTypeData[SHUtilities::ToUnderlying(SH_LIGHT_TYPE::DIRECTIONAL)].InitializeData(logicalDevice, SH_LIGHT_TYPE::DIRECTIONAL);
UpdateDescSet(SHGraphicsConstants::DescriptorSetBindings::DIRECTIONAL_LIGHT_DATA);
for (uint32_t i = 0; i < NUM_LIGHT_TYPES; ++i)
{
// initialize all the data first. We add more lights here as we add more types.
perTypeData[i].InitializeData(logicalDevice, static_cast<SH_LIGHT_TYPE>(i));
UpdateDescSet(i);
}
for (uint32_t i = 0; i < SHGraphicsConstants::NUM_FRAME_BUFFERS; ++i)
{
dynamicOffsets[i].resize(NUM_LIGHT_TYPES);
}
}
/***************************************************************************/
@ -378,8 +398,8 @@ namespace SHADE
// is a new buffer. If some expansion was detected, update descriptor sets.
if (expanded)
{
uint32_t numLightTyes = SHUtilities::ToUnderlying(SH_LIGHT_TYPE::NUM_TYPES);
for (uint32_t i = 0; i < numLightTyes; ++i)
uint32_t constexpr NUM_LIGHT_TYPES = SHUtilities::ToUnderlying(SH_LIGHT_TYPE::NUM_TYPES);
for (uint32_t i = 0; i < NUM_LIGHT_TYPES; ++i)
{
UpdateDescSet(i);
}