SHADE_Y3/Assets/Shaders/Anim_VS.glsl

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#version 450
#extension GL_KHR_vulkan_glsl : enable
//#include "ShaderDescriptorDefinitions.glsl"
layout(location = 0) in vec3 aVertexPos;
layout(location = 1) in vec2 aUV;
layout(location = 2) in vec3 aNormal;
layout(location = 3) in vec3 aTangent;
layout(location = 4) in mat4 worldTransform;
layout(location = 8) in uvec2 integerData;
layout(location = 9) in uvec4 aBoneIndices;
layout(location = 10) in vec4 aBoneWeights;
layout(location = 11) in uint firstBoneIndex;
layout(location = 0) out struct
{
vec4 vertPos; // location 0
vec2 uv; // location = 1
vec4 normal; // location = 2
} Out;
// material stuff
layout(location = 3) out struct
{
int materialIndex;
uint eid;
uint lightLayerIndex;
} Out2;
layout(set = 1, binding = 0) uniform CameraData
{
vec4 position;
mat4 vpMat;
mat4 viewMat;
mat4 projMat;
} cameraData;
layout (std430, set = 2, binding = 1) buffer AnimBoneMatrices
{
mat4 data[];
} BoneMatrices;
void main()
{
Out2.materialIndex = gl_InstanceIndex;
Out2.eid = integerData[0];
Out2.lightLayerIndex = integerData[1];
// for transforming gBuffer position and normal data
mat4 modelViewMat = cameraData.viewMat * worldTransform;
// gBuffer position will be in view space
Out.vertPos = modelViewMat * vec4(aVertexPos, 1.0f);
// uvs for texturing in fragment shader
Out.uv = aUV;
mat3 transposeInv = mat3 (transpose(inverse(modelViewMat)));
// normals are also in view space
Out.normal.rgb = transposeInv * aNormal.rgb;
Out.normal.rgb = normalize (Out.normal.rgb);
// Compute bone matrix
mat4 boneMatrix = BoneMatrices.data[firstBoneIndex + aBoneIndices[0]] * aBoneWeights[0];
boneMatrix += BoneMatrices.data[firstBoneIndex + aBoneIndices[1]] * aBoneWeights[1];
boneMatrix += BoneMatrices.data[firstBoneIndex + aBoneIndices[2]] * aBoneWeights[2];
boneMatrix += BoneMatrices.data[firstBoneIndex + aBoneIndices[3]] * aBoneWeights[3];
// clip space for rendering
gl_Position = cameraData.vpMat * worldTransform * boneMatrix * vec4 (aVertexPos, 1.0f);
}