vertex_shader.vert

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#version 450
 
layout(location = 0) in vec3 position;
layout(location = 1) in vec3 color;
layout(location = 2) in vec3 normal;
layout(location = 3) in vec2 uv;
 
layout(location = 0) out vec3 fragColor;
layout(location = 1) out vec3 fragPosWorld;
layout(location = 2) out vec3 fragNormalWorld;
layout(location = 3) out vec2 fragUv;
 
struct PointLight {
  vec4 position; // ignore w
  vec4 color; // w is intensity
  float shininess;
};
 
layout(set = 0, binding = 0) uniform GlobalUbo {
  mat4 projection;
  mat4 view;
  mat4 invView;
  vec4 ambientLightColor; // w is intensity
  PointLight pointLights[10];
  int numLights;
} ubo;
 
layout(set = 1, binding = 0) uniform ObjectBufferData {
  mat4 modelMatrix;
  mat4 normalMatrix;
} object;
 
layout(push_constant) uniform Push {
  mat4 modelMatrix;
  mat4 normalMatrix;
} push;
 
void main() {
  vec4 positionWorld = object.modelMatrix * vec4(position, 1.0);
  gl_Position = ubo.projection * ubo.view * positionWorld;
  fragNormalWorld = normalize(mat3(object.normalMatrix) * normal);
  fragPosWorld = positionWorld.xyz;
  fragColor = color;
  fragUv = uv;
}