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Shadow map WIP

This commit is contained in:
Brandon Mak 2023-01-07 07:42:42 +08:00
parent 19f9b67550
commit d3cd36984d
13 changed files with 111 additions and 68 deletions
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1
Assets/Shaders/ShadowMap_VS.glsl
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@ -5,6 +5,7 @@
layout(location = 0) in vec3 aVertexPos;
layout(location = 4) in mat4 worldTransform;
layout(set = 1, binding = 0) uniform CameraData
{

BIN
Assets/Shaders/ShadowMap_VS.shshaderb Normal file
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Binary file not shown.

3
Assets/Shaders/ShadowMap_VS.shshaderb.shmeta Normal file
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@ -0,0 +1,3 @@
Name: ShadowMap_VS
ID: 44646107
Type: 2

5
SHADE_Engine/src/Graphics/MiddleEnd/Batching/SHBatch.cpp
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@ -551,7 +551,7 @@ namespace SHADE
/*---------------------------------------------------------------------------------*/
/* SHBatch - Usage Functions */
/*---------------------------------------------------------------------------------*/
void SHBatch::Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex)
void SHBatch::Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, bool bindBatchPipeline/* = true*/)
{
if (frameIndex >= SHGraphicsConstants::NUM_FRAME_BUFFERS)
{
@ -566,7 +566,10 @@ namespace SHADE
// Bind all required objects before drawing
static std::array<uint32_t, 1> dynamicOffset{ 0 };
cmdBuffer->BeginLabeledSegment("SHBatch for Pipeline #" + std::to_string(pipeline.GetId().Data.Index));
if (bindBatchPipeline)
cmdBuffer->BindPipeline(pipeline);
cmdBuffer->BindVertexBuffer(SHGraphicsConstants::VertexBufferBindings::TRANSFORM, transformDataBuffer[frameIndex], 0);
cmdBuffer->BindVertexBuffer(SHGraphicsConstants::VertexBufferBindings::INTEGER_DATA, instancedIntegerBuffer[frameIndex], 0);
if (matPropsDescSet[frameIndex])

2
SHADE_Engine/src/Graphics/MiddleEnd/Batching/SHBatch.h
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@ -87,7 +87,7 @@ namespace SHADE
void UpdateTransformBuffer(uint32_t frameIndex);
void UpdateInstancedIntegerBuffer(uint32_t frameIndex);
void Build(Handle<SHVkLogicalDevice> device, Handle<SHVkDescriptorPool> descPool, uint32_t frameIndex) ;
void Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex);
void Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, bool bindBatchPipeline = true);
/*-----------------------------------------------------------------------------*/
/* Getter Functions */

4
SHADE_Engine/src/Graphics/MiddleEnd/Batching/SHSuperBatch.cpp
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@ -107,12 +107,12 @@ namespace SHADE
}
}
void SHSuperBatch::Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept
void SHSuperBatch::Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, bool bindBatchPipeline /*= true*/) noexcept
{
// Build all batches
for (auto& batch : batches)
{
batch.Draw(cmdBuffer, frameIndex);
batch.Draw(cmdBuffer, frameIndex, bindBatchPipeline);
}
}

2
SHADE_Engine/src/Graphics/MiddleEnd/Batching/SHSuperBatch.h
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@ -57,7 +57,7 @@ namespace SHADE
void Clear() noexcept;
void UpdateBuffers(uint32_t frameIndex, Handle<SHVkDescriptorPool> descPool);
void Build(Handle<SHVkLogicalDevice> device, Handle<SHVkDescriptorPool> descPool, uint32_t frameIndex) noexcept;
void Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept;
void Draw(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, bool bindBatchPipeline = true) noexcept;
/*-----------------------------------------------------------------------------*/
/* Getter Functions */

16
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp
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@ -127,6 +127,8 @@ namespace SHADE
SHFreetypeInstance::Init();
SHAssetManager::CompileAsset("../../Assets/Shaders/ShadowMap_VS.glsl", false);
// Load Built In Shaders
static constexpr AssetID VS_DEFAULT = 39210065; defaultVertShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEFAULT);
static constexpr AssetID FS_DEFAULT = 46377769; defaultFragShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(FS_DEFAULT);
@ -140,6 +142,8 @@ namespace SHADE
static constexpr AssetID TEXT_FS = 38024754; textFS = SHResourceManager::LoadOrGet<SHVkShaderModule>(TEXT_FS);
static constexpr AssetID RENDER_SC_VS = 48082949; renderToSwapchainVS = SHResourceManager::LoadOrGet<SHVkShaderModule>(RENDER_SC_VS);
static constexpr AssetID RENDER_SC_FS = 36869006; renderToSwapchainFS = SHResourceManager::LoadOrGet<SHVkShaderModule>(RENDER_SC_FS);
static constexpr AssetID SHADOW_MAP_VS = 44646107; shadowMapVS = SHResourceManager::LoadOrGet<SHVkShaderModule>(SHADOW_MAP_VS);
}
void SHGraphicsSystem::InitRenderGraph(void) noexcept
@ -755,6 +759,17 @@ namespace SHADE
auto const& EVENT_DATA = reinterpret_cast<const SHEventSpec<SHLightEnableShadowEvent>*>(eventPtr.get())->data;
auto* lightComp = SHComponentManager::GetComponent<SHLightComponent>(EVENT_DATA->lightEntity);
std::string resourceName = "ShadowMap " + std::to_string(EVENT_DATA->lightEntity);
Handle<SHSubpass> companionSubpass = renderGraph->GetNode(SHGraphicsConstants::RenderGraphNodeNames::GBUFFER_PASS.data())->GetSubpass("G-Buffer Write");
if (!shadowMapPipeline)
{
SHPipelineLibrary tempLibrary{};
Handle<SHRenderGraphNode> rgNode = renderGraph->GetNode(SHGraphicsConstants::RenderGraphNodeNames::SHADOW_MAP_PASS.data());
tempLibrary.Init(device);
tempLibrary.CreateGraphicsPipelines({ shadowMapVS, {} }, rgNode->GetRenderpass(), companionSubpass);
shadowMapPipeline = tempLibrary.GetGraphicsPipeline({ shadowMapVS, {} });
}
if (EVENT_DATA->generateRenderer)
{
@ -773,6 +788,7 @@ namespace SHADE
// Add a subpass to render to that shadow map
auto newSubpass = shadowMapNode->RuntimeAddSubpass(resourceName + " Subpass", worldViewport, lightComp->GetRenderer());
newSubpass->AddDepthOutput(resourceName, SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH_STENCIL);
newSubpass->SetCompanionSubpass(companionSubpass, shadowMapPipeline); // set companion subpass and pipeline
// regenerate the node
shadowMapNode->RuntimeStandaloneRegenerate();

2
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.h
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@ -464,6 +464,7 @@ namespace SHADE
Handle<SHVkShaderModule> textFS;
Handle<SHVkShaderModule> renderToSwapchainVS;
Handle<SHVkShaderModule> renderToSwapchainFS;
Handle<SHVkShaderModule> shadowMapVS;
// Fonts
Handle<SHFont> testFont;
@ -478,6 +479,7 @@ namespace SHADE
Handle<SHVkPipeline> debugDrawWireMeshDepthPipeline;
Handle<SHVkPipeline> debugDrawFilledPipeline;
Handle<SHVkPipeline> debugDrawFilledDepthPipeline;
Handle<SHVkPipeline> shadowMapPipeline; // initialized only when a shadow map is needed
// Built-In Textures
Handle<SHTexture> defaultTexture;

3
SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightingSubSystem.cpp
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@ -378,11 +378,10 @@ namespace SHADE
SHMatrix SHLightingSubSystem::GetViewMatrix(SHLightComponent* lightComp) noexcept
{
SHTransformComponent* transform = SHComponentManager::GetComponent<SHTransformComponent>(lightComp->GetEID());
switch (lightComp->GetLightData().type)
{
case SH_LIGHT_TYPE::DIRECTIONAL:
return SHMatrix::LookAtRH(transform->GetLocalPosition(), lightComp->GetLightData().position, SHVec3(0.0f, 1.0f, 0.0f));
return SHMatrix::LookAtRH(lightComp->GetLightData().position, lightComp->GetLightData().position + lightComp->GetLightData().direction, SHVec3(0.0f, 1.0f, 0.0f));
case SH_LIGHT_TYPE::POINT:
return {};
case SH_LIGHT_TYPE::SPOT:

8
SHADE_Engine/src/Graphics/MiddleEnd/Pipeline/SHPipelineLibrary.cpp
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@ -10,9 +10,15 @@ namespace SHADE
Handle<SHVkPipeline> SHPipelineLibrary::CreateGraphicsPipelines(std::pair<Handle<SHVkShaderModule>, Handle<SHVkShaderModule>> const& vsFsPair, Handle<SHVkRenderpass> renderpass, Handle<SHSubpass> subpass) noexcept
{
std::vector<Handle<SHVkShaderModule>> modules{};
if (vsFsPair.first)
modules.push_back(vsFsPair.first);
if (vsFsPair.second)
modules.push_back(vsFsPair.second);
SHPipelineLayoutParams params
{
.shaderModules = {vsFsPair.first, vsFsPair.second},
.shaderModules = std::move (modules),
.predefinedDescSetLayouts = SHGraphicsPredefinedData::GetSystemData(SHGraphicsPredefinedData::SystemType::BATCHING).descSetLayouts
};

12
SHADE_Engine/src/Graphics/Pipeline/SHVkPipelineLayout.cpp
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@ -18,6 +18,8 @@ namespace SHADE
vk::ShaderStageFlags stageFlags;
for (auto& shaderModule : shaderModules)
{
if (shaderModule)
{
// References for convenience
auto const& reflectedData = shaderModule->GetReflectedData();
@ -81,7 +83,7 @@ namespace SHADE
stageFlags |= shaderModule->GetShaderStageFlagBits();
}
}
}
// After all the sizes of the push constant blocks have been added, record the size in the interface
@ -132,6 +134,9 @@ namespace SHADE
//! Now we take descriptor set info from all shaders and prepare some bindings for the descriptor set
for (auto& shaderModule : shaderModules)
{
if (!shaderModule)
continue;
auto const& descBindingInfo = shaderModule->GetReflectedData().GetDescriptorBindingInfo();
auto const& reflectedSets = descBindingInfo.GetReflectedSets();
@ -326,11 +331,10 @@ namespace SHADE
{
for (auto& mod : shaderModules)
{
mod->AddCallback([this]()
if (mod)
{
RecreateIfNeeded();
mod->AddCallback([this]() { RecreateIfNeeded(); });
}
);
}
RecreateIfNeeded ();

9
SHADE_Engine/src/Graphics/RenderGraph/SHSubpass.cpp
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@ -229,9 +229,18 @@ namespace SHADE
if (renderer)
renderer->BindDescriptorSet(commandBuffer, SH_PIPELINE_TYPE::GRAPHICS, descMappings.at(SHPredefinedDescriptorTypes::CAMERA), frameIndex);
// If companion subpass is not a valid handle, render super batch normally
if (!companionSubpass.companion)
{
// Draw all the batches
superBatch->Draw(commandBuffer, frameIndex);
}
else
{
commandBuffer->BindPipeline(companionSubpass.pipeline);
companionSubpass.companion->superBatch->Draw(commandBuffer, frameIndex, false);
}
}
// Draw all the exterior draw calls
for (auto& drawCall : exteriorDrawCalls)