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Implemented Shadow maps (still needs improvement) #314

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Xenosas1337 merged 22 commits from SP3-1-Rendering into main 2023-01-16 15:40:30 +08:00
Conversation 0 Commits 22 Files Changed 49 +33 -18
7 changed files with 33 additions and 18 deletions
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10
Assets/Scenes/Scene2.shade
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@ -5,7 +5,7 @@
Components:
Transform Component:
Translate: {x: 0, y: 0.304069757, z: 1.73034382}
Rotate: {x: -1.48352981, y: 0, z: 0}
Rotate: {x: 0, y: 0, z: 0}
Scale: {x: 1, y: 1, z: 1}
IsActive: true
Camera Component:
@ -26,8 +26,8 @@
NumberOfChildren: 1
Components:
Transform Component:
Translate: {x: 0, y: 0, z: 0}
Rotate: {x: 0, y: 0, z: 0}
Translate: {x: -1.86388135, y: 0.0544953719, z: 0}
Rotate: {x: -0, y: 0, z: -0}
Scale: {x: 1, y: 1, z: 1}
IsActive: true
Renderable Component:
@ -56,9 +56,9 @@
NumberOfChildren: 0
Components:
Light Component:
Position: {x: 0, y: 0, z: 0}
Position: {x: 3, y: 4.5, z: 7}
Type: Directional
Direction: {x: 0, y: 0, z: 1}
Direction: {x: -0.298000008, y: 0.522498012, z: 0.798600018}
Color: {x: 1, y: 1, z: 1, w: 1}
Layer: 4294967295
Strength: 0

26
Assets/Shaders/DeferredComposite_CS.glsl
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@ -24,7 +24,8 @@ layout(set = 3, binding = 1, rgba32f) uniform image2D normals;
layout(set = 3, binding = 2, rgba8) uniform image2D albedo;
layout(set = 3, binding = 3, r32ui) uniform uimage2D lightLayerData;
layout(set = 3, binding = 4, r8) uniform image2D ssaoBlurredImage;
layout(set = 3, binding = 5, rgba8) uniform image2D targetImage;
layout(set = 3, binding = 5, rgba8) uniform image2D positionWorldSpace;
layout(set = 3, binding = 6, rgba8) uniform image2D targetImage;
layout (set = 4, binding = 0) uniform sampler2D shadowMaps[]; // for textures (global)
@ -47,10 +48,12 @@ layout(std430, set = 1, binding = 4) buffer AmbientLightData
AmbientLightStruct aLightData[];
} AmbLightData;
// bool IsInShadow (sampler2D shadowMap, vec2 coords, float depth, mat4 lightVP)
// {
// // vec4 fragPosLightPOV = lightVP *
// }
float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV)
{
vec4 fragPosLightPOV = lightPV * worldSpaceFragPos;
vec3 converted = (fragPosLightPOV.xyz / fragPosLightPOV.w) * vec3(0.5f) + vec3(0.5f);
return step (fragPosLightPOV.z, texture(shadowMap, converted.xy).r);
}
void main()
{
@ -61,6 +64,9 @@ void main()
vec3 pixelDiffuse = imageLoad (albedo, globalThread).rgb;
// Get position of fragment in world space
vec4 positionWorld = vec4 (imageLoad (positionWorldSpace, globalThread).rgb, 1.0f);
// Get position of fragment in view spacee
vec3 positionView = imageLoad (positions, globalThread).rgb;
// normal of fragment
@ -100,7 +106,7 @@ void main()
if ((DirLightData.dLightData[i].shadowData & uint(1)) == 1)
{
// calculate shadow map here
vec2 texCoord = vec2 (gl_GlobalInvocationID.xy) / vec2 (imageSize (targetImage));
fragColor *= CalcShadowValue (shadowMaps[0], positionWorld, DirLightData.dLightData[i].pvMatrix).xxx;
}
}
}
@ -111,7 +117,11 @@ void main()
// store result into result image
imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(fragColor.rgb, 1.0f));
// imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), shadowMapColor);
//imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(ssaoVal.rrr, 1.0f));
// vec2 normTexCoords = vec2 (gl_GlobalInvocationID.xy) / vec2 (1024.0f);
// vec4 shadowMapVal = texture(shadowMaps[0], normTexCoords);
// if (normTexCoords.x > 1.0f || normTexCoords.y > 1.0f)
// shadowMapVal = vec4(0.0f);
// imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), shadowMapVal.xxxx);
}

BIN
Assets/Shaders/DeferredComposite_CS.shshaderb
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4
SHADE_Engine/src/Camera/SHCameraSystem.cpp
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@ -313,7 +313,9 @@ namespace SHADE
camera.orthoProjMatrix(2, 3) = -n / (f-n);
camera.orthoProjMatrix(3, 3) = 1.0f;
//camera.orthoProjMatrix = SHMatrix::OrthographicRH(camera.GetWidth(), camera.GetHeight(), camera.GetNear(), camera.GetFar());
//camera.perspProjMatrix = SHMatrix::OrthographicLH(9.0f, 9.0f, 0.1f, 20.0f);
camera.orthoProjMatrix = SHMatrix::OrthographicRH(camera.GetWidth(), camera.GetHeight(), camera.GetNear(), camera.GetFar());
//camera.perspProjMatrix = SHMatrix::OrthographicLH(4.0f, 4.0f, 0.1f, 200.0f);
//camera.projMatrix.Transpose();
camera.dirtyProj = false;

3
SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp
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@ -283,6 +283,7 @@ namespace SHADE
"Albedo",
"Scene",
"SSAO Blur",
"Position World Space"
},
{ SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS .data()});
@ -290,7 +291,7 @@ namespace SHADE
/*-----------------------------------------------------------------------*/
/* DEFERRED COMPOSITE SUBPASS INIT */
/*-----------------------------------------------------------------------*/
auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data(), deferredCompositeShader, {"Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Scene"}, {}, SHLightingSubSystem::MAX_SHADOWS);
auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data(), deferredCompositeShader, {"Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Position World Space", "Scene"}, {}, SHLightingSubSystem::MAX_SHADOWS);
deferredCompositeCompute->AddPreComputeFunction([=](Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex)
{
lightingSubSystem->PrepareShadowMapsForRead(cmdBuffer);

5
SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightingSubSystem.cpp
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@ -395,7 +395,8 @@ namespace SHADE
switch (lightComp->GetLightData().type)
{
case SH_LIGHT_TYPE::DIRECTIONAL:
return SHMatrix::Transpose (SHMatrix::LookAtLH(/*lightComp->GetLightData().position*/SHVec3(1.27862f, 4.78952f, 4.12811f), SHVec3(-0.280564f, -0.66262f, -0.69422f), SHVec3(0.0f, -1.0f, 0.0f)));
return SHMatrix::Transpose(SHMatrix::LookAtLH(lightComp->GetLightData().position, lightComp->GetLightData().direction, SHVec3(0.0f, -1.0f, 0.0f)));
//return SHMatrix::Transpose(SHMatrix::LookAtLH(/*lightComp->GetLightData().position*/SHVec3(1.27862f, 4.78952f, 4.12811f), SHVec3(-0.280564f, -0.66262f, -0.69422f), SHVec3(0.0f, -1.0f, 0.0f)));
case SH_LIGHT_TYPE::POINT:
return {};
case SH_LIGHT_TYPE::SPOT:
@ -517,7 +518,7 @@ namespace SHADE
if (auto renderer = light.GetRenderer())
{
//SHMatrix orthoMatrix = SHMatrix::OrthographicRH()
renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(9.0f, 9.0f, 0.1f, 20.0f));
renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(5.0f, 5.0f, 0.1f, 20.0f));
}
auto enumValue = SHUtilities::ConvertEnum(light.GetLightData().type);

3
SHADE_Engine/src/Graphics/MiddleEnd/Pipeline/SHPipelineLibrary.cpp
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@ -17,7 +17,7 @@ namespace SHADE
SHPipelineLayoutParams params
{
.shaderModules = std::move (modules),
.shaderModules = std::move(modules),
.predefinedDescSetLayouts = SHGraphicsPredefinedData::GetSystemData(SHGraphicsPredefinedData::SystemType::BATCHING).descSetLayouts
};
@ -35,6 +35,7 @@ namespace SHADE
auto const& subpassColorReferences = subpass->GetColorAttachmentReferences();
colorBlendState.attachments.reserve(subpassColorReferences.size());
for (auto& att : subpassColorReferences)
{
colorBlendState.attachments.push_back(vk::PipelineColorBlendAttachmentState