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Cleaned and Formatted Shaders.

This commit is contained in:
Anish Bhobe 2024-07-23 00:12:47 +02:00
parent 0d5af2b525
commit 870b18b1fa
6 changed files with 129 additions and 145 deletions
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1
samples/03_model_render/light_manager.h
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@ -16,7 +16,6 @@ struct DirectionalLight
u32 m_UnusedPadding0_; u32 m_UnusedPadding0_;
u32 m_Color_; // LSB is used for flags. (R G B Flags) u32 m_Color_; // LSB is used for flags. (R G B Flags)
f32 m_Intensity; f32 m_Intensity;
}; };
struct PointLight struct PointLight

9
samples/03_model_render/model_loader.cpp
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@ -349,10 +349,9 @@ ModelLoader::LoadModel(cstr path, cstr name, bool batched)
} }
} }
#pragma endregion #pragma endregion
#pragma region Vertex Data
vertexData.resize(vertexPositions.size()); vertexData.resize(vertexPositions.size());
#pragma region Normal
// Normal Coords // Normal Coords
if (prim.attributes.contains(ANormal)) if (prim.attributes.contains(ANormal))
{ {
@ -395,8 +394,7 @@ ModelLoader::LoadModel(cstr path, cstr name, bool batched)
} }
} }
} }
#pragma endregion
#pragma region UV0
// UV0 // UV0
if (prim.attributes.contains(ATexCoord0)) if (prim.attributes.contains(ATexCoord0))
{ {
@ -421,8 +419,7 @@ ModelLoader::LoadModel(cstr path, cstr name, bool batched)
} }
} }
} }
#pragma endregion
#pragma region Color
if (prim.attributes.contains(AColor0)) if (prim.attributes.contains(AColor0))
{ {
tinygltf::Accessor *colorAccessor = &model.accessors[prim.attributes[AColor0]]; tinygltf::Accessor *colorAccessor = &model.accessors[prim.attributes[AColor0]];

2
samples/03_model_render/model_render.cpp
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@ -34,6 +34,7 @@ struct Camera
{ {
mat4 m_View; mat4 m_View;
mat4 m_Perspective; mat4 m_Perspective;
vec4 m_Position;
}; };
int int
@ -84,6 +85,7 @@ main(int, char **)
.m_View = glm::lookAt(vec3(0.0f, 2.0f, 2.0f), vec3(0.0f), vec3(0.0f, 1.0f, 0.0f)), .m_View = glm::lookAt(vec3(0.0f, 2.0f, 2.0f), vec3(0.0f), vec3(0.0f, 1.0f, 0.0f)),
.m_Perspective = glm::perspective( .m_Perspective = glm::perspective(
70_deg, Cast<f32>(swapchain.m_Extent.width) / Cast<f32>(swapchain.m_Extent.height), 0.1f, 100.0f), 70_deg, Cast<f32>(swapchain.m_Extent.width) / Cast<f32>(swapchain.m_Extent.height), 0.1f, 100.0f),
.m_Position = vec4{0.0f, 2.0f, 2.0f, 1.0f},
}; };
lightManager.AddDirectional(vec3(0.0f, -1.0f, 0.0f), {0.0f, 1.0f, 0.0f}); lightManager.AddDirectional(vec3(0.0f, -1.0f, 0.0f), {0.0f, 1.0f, 0.0f});

81
samples/03_model_render/shader/bindless_structs.hlsli
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@ -1,56 +1,57 @@
struct VertexData struct VertexData
{ {
float4 m_Normal; float4 Normal;
float2 m_TexCoord0; float2 TexCoord0;
float2 m_TexCoord1; float2 TexCoord1;
float4 m_Color0; float4 Color0;
}; };
struct TransformData struct TransformData
{ {
float4x4 transform; float4x4 Transform;
float4x4 normalTransform; float4x4 NormalTransform;
}; };
struct MaterialData struct MaterialData
{ {
float m_AlbedoFactor[4]; float AlbedoFactor[4];
float m_EmissionFactor[3]; float EmissionFactor[3];
float m_MetalFactor; float MetalFactor;
float m_RoughFactor; float RoughFactor;
uint m_AlbedoTex; uint AlbedoTex;
uint m_NormalTex; uint NormalTex;
uint m_MetalRoughTex; uint MetalRoughTex;
uint m_OcclusionTex; uint OcclusionTex;
uint m_EmissionTex; uint EmissionTex;
}; };
struct Block struct Block
{ {
uint vertexBufferHandle; uint VertexBufferHandle;
uint vertexDataHandle; uint VertexDataHandle;
uint materialBufferHandle; uint MaterialBufferHandle;
uint nodeBufferHandle; uint NodeBufferHandle;
uint lightHandle; uint LightHandle;
uint pointLightIndexer; uint PointLightIndexer;
uint directionLightIndexer; uint DirectionLightIndexer;
int m_MaterialIdx; int MaterialIdx;
uint m_NodeIdx; uint NodeIdx;
}; };
struct Light struct Light
{ {
float m_Position[3]; float Position[3];
float m_Range; float Range;
uint m_Color; uint Color;
float m_Intensity; float Intensity;
}; };
struct Camera struct CameraData
{ {
float4x4 view; float4x4 View;
float4x4 proj; float4x4 Projection;
float4 Position;
}; };
// Little Endian storage. First short is least significant. // Little Endian storage. First short is least significant.
@ -59,16 +60,16 @@ struct Camera
#define INVALID_HANDLE 0xFFFFFFFF #define INVALID_HANDLE 0xFFFFFFFF
[[vk::binding(0, 0)]] StructuredBuffer<float4> vertexBuffer[]; [[vk::binding(0, 0)]] StructuredBuffer<float4> VertexBuffer[];
[[vk::binding(0, 0)]] StructuredBuffer<VertexData> vertexDataBuffer[]; [[vk::binding(0, 0)]] StructuredBuffer<VertexData> VertexDataBuffer[];
[[vk::binding(0, 0)]] StructuredBuffer<MaterialData> materialsBuffer[]; [[vk::binding(0, 0)]] StructuredBuffer<MaterialData> MaterialsBuffer[];
[[vk::binding(0, 0)]] StructuredBuffer<TransformData> nodeBuffer[]; [[vk::binding(0, 0)]] StructuredBuffer<TransformData> NodeBuffer[];
[[vk::binding(0, 0)]] StructuredBuffer<Light> lightBuffer[]; [[vk::binding(0, 0)]] StructuredBuffer<Light> LightBuffer[];
[[vk::binding(1, 0)]] Texture2D<float4> textures[]; [[vk::binding(1, 0)]] Texture2D<float4> Textures[];
[[vk::binding(1, 0)]] SamplerState immutableSamplers[]; [[vk::binding(1, 0)]] SamplerState ImmutableSamplers[];
[[vk::binding(0, 1)]] ConstantBuffer<Camera> camera; [[vk::binding(0, 1)]] ConstantBuffer<CameraData> Camera;
[[vk::push_constant]] [[vk::push_constant]]
Block pcb; Block PushConstant;

113
samples/03_model_render/shader/model.ps.hlsl
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@ -2,114 +2,99 @@
struct FS_Input struct FS_Input
{ {
float4 inPosition : POSITION; float4 InPosition : POSITION;
float4 inNormal : NORMAL; float4 InNormal : NORMAL;
float4 inColor : COLOR0; float4 InColor : COLOR0;
float2 inUV : TEXCOORD0; float2 InUV0 : TEXCOORD0;
}; };
struct FS_Output struct FS_Output
{ {
float4 outColor : SV_Target0; float4 ColorTarget : SV_Target0;
}; };
float4 GetAlbedo(uint materialBufferId, int materialId, float2 uv) float4 GetAlbedo(int MaterialIdx, float2 UV)
{ {
uint albedoTexId = materialsBuffer[materialBufferId][materialId].m_AlbedoTex; uint albedoTexId = MaterialsBuffer[PushConstant.MaterialBufferHandle][MaterialIdx].AlbedoTex;
if (albedoTexId == INVALID_HANDLE) if (albedoTexId == INVALID_HANDLE)
{ {
return (float4) materialsBuffer[materialBufferId][materialId].m_AlbedoFactor; return (float4) MaterialsBuffer[PushConstant.MaterialBufferHandle][MaterialIdx].AlbedoFactor;
} }
else else
{ {
return textures[albedoTexId].Sample(immutableSamplers[albedoTexId], uv); return Textures[albedoTexId].Sample(ImmutableSamplers[albedoTexId], UV);
} }
} }
float3 GetDirectionalLightInfluence(float3 normal) float3 GetDirectionalLightInfluence(float3 Normal)
{ {
if (pcb.lightHandle == INVALID_HANDLE) if (PushConstant.LightHandle == INVALID_HANDLE)
return float3(0.0f, 0.0f, 0.0f); return float3(0.0f, 0.0f, 0.0f);
uint count = IndexerCount(pcb.directionLightIndexer); uint Count = IndexerCount(PushConstant.DirectionLightIndexer);
float3 contrib = 0.0f; float3 Contrib = 0.0f;
for (uint i = 0; i < count; ++i) for (uint i = 0; i < Count; ++i)
{ {
Light light = lightBuffer[pcb.lightHandle][i]; Light Light = LightBuffer[PushConstant.LightHandle][i];
float3 lightDir = - (float3) light.m_Position; // Position is actually direction for directionalLight; LightDir is Direction towards the light (-direction) float3 LightDir = - (float3) Light.Position; // Position is actually direction for directionalLight; LightDir is Direction towards the light (-direction)
float diff = max(dot(normal, lightDir), 0.0f); float DiffuseFactor = max(dot(Normal, LightDir), 0.0f);
int ur = (light.m_Color & 0xFF000000) >> 24; float R = (Light.Color & 0xFF000000) >> 24;
int ug = (light.m_Color & 0x00FF0000) >> 16; float G = (Light.Color & 0x00FF0000) >> 16;
int ub = (light.m_Color & 0x0000FF00) >> 8; float B = (Light.Color & 0x0000FF00) >> 8;
float r = ur; float3 Color = float3(R, G, B) * 0.00392156862f; // 0.00392156862 = 1/255
float g = ug;
float b = ub;
float3 color = float3(r, g, b) * 0.00392156862f; // 0.00392156862 = 1/255 float3 Diffuse = DiffuseFactor * Color;
float3 diffuse = diff * color; Contrib += (Light.Range < 0 ? float3(0.0f, 0.0f, 0.0f) : Diffuse);
contrib += (light.m_Range < 0 ? float3(0.0f, 0.0f, 0.0f) : diffuse);
} }
return contrib; return Contrib;
} }
float3 GetPointLightInfluence(float3 position, float3 normal) float3 GetPointLightInfluence(float3 Position, float3 Normal)
{ {
if (pcb.lightHandle == INVALID_HANDLE) if (PushConstant.LightHandle == INVALID_HANDLE)
return float3(0.0f, 0.0f, 0.0f); return float3(0.0f, 0.0f, 0.0f);
uint offset = IndexerOffset(pcb.pointLightIndexer); uint Offset = IndexerOffset(PushConstant.PointLightIndexer);
uint count = IndexerCount(pcb.pointLightIndexer); uint Count = IndexerCount(PushConstant.PointLightIndexer);
float3 contrib = 0.0f; float3 Contrib = 0.0f;
for (uint i = 0; i < count; ++i) for (uint i = 0; i < Count; ++i)
{ {
Light light = lightBuffer[pcb.lightHandle][i + offset]; Light Light = LightBuffer[PushConstant.LightHandle][i + Offset];
float3 lightDir = normalize(((float3)light.m_Position) - position); float3 LightDir = normalize(((float3)Light.Position) - Position);
float diff = max(dot(normal, lightDir), 0.0f); float DiffuseFactor = max(dot(Normal, LightDir), 0.0f);
int ur = (light.m_Color & 0xFF000000) >> 24; float R = (Light.Color & 0xFF000000) >> 24;
int ug = (light.m_Color & 0x00FF0000) >> 16; float G = (Light.Color & 0x00FF0000) >> 16;
int ub = (light.m_Color & 0x0000FF00) >> 8; float B = (Light.Color & 0x0000FF00) >> 8;
float r = ur; float3 Color = float3(R, G, B) * 0.00392156862f; // 0.00392156862 = 1/255
float g = ug;
float b = ub;
float3 color = float3(r, g, b) * 0.00392156862f; // 0.00392156862 = 1/255 float3 Diffuse = DiffuseFactor * Color;
float3 diffuse = diff * color; Contrib += (Light.Range < 0 ? float3(0.0f, 0.0f, 0.0f) : Diffuse);
contrib += (light.m_Range < 0 ? float3(0.0f, 0.0f, 0.0f) : diffuse);
} }
return contrib; return Contrib;
} }
FS_Output FS_Output main(FS_Input StageInput)
main(FS_Input stage_input)
{ {
float3 Ambient = float3(0.02f, 0.02f, 0.02f);
//// Hereby assume that we always have a point light at float3 Normal = normalize(StageInput.InNormal.xyz);
//float3 lightPos = float3(6.0f, 6.0f, 6.0f); float3 Position = StageInput.InPosition.xyz;
//// with
//float3 lightColor = float3(0.7f, 0.7f, 0.7f); //float3(0.7f, 0.4f, 0.1f);
//// and
float3 ambient = float3(0.02f, 0.02f, 0.02f);
float3 norm = normalize(stage_input.inNormal.xyz); float4 ObjColor = PushConstant.MaterialIdx < 0 ? StageInput.InColor : GetAlbedo(PushConstant.MaterialIdx, StageInput.InUV0);
float3 pos = stage_input.inPosition.xyz;
float4 objColor = pcb.m_MaterialIdx < 0 ? stage_input.inColor : GetAlbedo(pcb.materialBufferHandle, pcb.m_MaterialIdx, stage_input.inUV); float3 Diffuse = GetDirectionalLightInfluence(Normal) + GetPointLightInfluence(Position, Normal);
float3 diffuse = GetDirectionalLightInfluence(norm) + GetPointLightInfluence(pos, norm); FS_Output Output;
Output.ColorTarget = float4(ObjColor.rgb * (Diffuse + Ambient), ObjColor.a);
FS_Output output; return Output;
output.outColor = float4(objColor.rgb * (diffuse + ambient), objColor.a);
return output;
} }

68
samples/03_model_render/shader/model.vs.hlsl
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@ -2,66 +2,66 @@
struct VS_Input struct VS_Input
{ {
uint vertexIndex : SV_VertexID; uint VertexIndex : SV_VertexID;
}; };
struct VS_Output struct VS_Output
{ {
float4 worldPosition : POSITION; float4 WorldPosition : POSITION;
float4 worldNormal : NORMAL; float4 WorldNormal : NORMAL;
float4 outColor : COLOR0; float4 VertexColor : COLOR0;
float2 outUV : TEXCOORD0; float2 UV0 : TEXCOORD0;
float4 screenPosition : SV_Position; float4 VertexPosition : SV_Position;
}; };
float2 GetUV(uint vertexIdx) float2 GetUV(uint VertexIdx)
{ {
uint bufferId = pcb.vertexDataHandle; uint BufferId = PushConstant.VertexDataHandle;
return vertexDataBuffer[bufferId][vertexIdx].m_TexCoord0.xy; return VertexDataBuffer[BufferId][VertexIdx].TexCoord0.xy;
} }
float4 GetPosition(uint vertexIdx) float4 GetPosition(uint VertexIdx)
{ {
uint bufferId = pcb.vertexBufferHandle; uint BufferId = PushConstant.VertexBufferHandle;
return float4(vertexBuffer[bufferId][vertexIdx].xyz, 1.0f); return float4(VertexBuffer[BufferId][VertexIdx].xyz, 1.0f);
} }
float4 GetNormal(uint vertexIdx) float4 GetNormal(uint VertexIdx)
{ {
uint bufferId = pcb.vertexDataHandle; uint BufferId = PushConstant.VertexDataHandle;
return vertexDataBuffer[bufferId][vertexIdx].m_Normal; return VertexDataBuffer[BufferId][VertexIdx].Normal;
} }
float4 GetColor(uint vertexIdx) float4 GetColor(uint VertexIdx)
{ {
uint bufferId = pcb.vertexDataHandle; uint BufferId = PushConstant.VertexDataHandle;
return vertexDataBuffer[bufferId][vertexIdx].m_Color0; return VertexDataBuffer[BufferId][VertexIdx].Color0;
} }
float4x4 GetModelTransform(uint index) float4x4 GetNodeTransform(uint NodeIndex)
{ {
uint bufferId = pcb.nodeBufferHandle; uint BufferId = PushConstant.NodeBufferHandle;
return nodeBuffer[bufferId][index].transform; return NodeBuffer[BufferId][NodeIndex].Transform;
} }
float4x4 GetNormalTransform(uint index) float4x4 GetNormalTransform(uint NodeIndex)
{ {
uint bufferId = pcb.nodeBufferHandle; uint BufferId = PushConstant.NodeBufferHandle;
return nodeBuffer[bufferId][index].normalTransform; return NodeBuffer[BufferId][NodeIndex].NormalTransform;
} }
VS_Output main(VS_Input stage_input) VS_Output main(VS_Input StageInput)
{ {
VS_Output output; VS_Output Output;
float4 globalPosition = mul(GetModelTransform(pcb.m_NodeIdx), GetPosition(stage_input.vertexIndex)); float4 GlobalPosition = mul(GetNodeTransform(PushConstant.NodeIdx), GetPosition(StageInput.VertexIndex));
float4 clipSpace = mul(camera.view, globalPosition); float4 ClipSpace = mul(Camera.View, GlobalPosition);
output.screenPosition = mul(camera.proj, clipSpace); Output.VertexPosition = mul(Camera.Projection, ClipSpace);
output.worldPosition = globalPosition; Output.WorldPosition = GlobalPosition;
output.outUV = GetUV(stage_input.vertexIndex); Output.UV0 = GetUV(StageInput.VertexIndex);
output.outColor = GetColor(stage_input.vertexIndex); Output.VertexColor = GetColor(StageInput.VertexIndex);
output.worldNormal = mul(GetNormalTransform(pcb.m_NodeIdx), GetNormal(stage_input.vertexIndex)); Output.WorldNormal = mul(GetNormalTransform(PushConstant.NodeIdx), GetNormal(StageInput.VertexIndex));
return output; return Output;
} }