sideros/assets/shaders/shader.vert
2025-08-09 18:51:11 +02:00

43 lines
1.1 KiB
GLSL

#version 450
struct Transform {
mat4 translation;
mat4 scale;
mat4 rotation;
vec4 quaternion;
};
layout(location = 0) in vec3 vertPos;
layout(location = 1) in vec3 normal;
layout(location = 2) in vec2 uv;
layout (binding = 0) uniform ProjUniform {
mat4 proj;
} proj;
layout (binding = 1) uniform ViewUniform {
mat4 view;
} view;
layout (binding = 4) readonly buffer TransformUniform {
Transform transforms[];
} transform;
layout(location = 2) out vec3 Normal;
layout(location = 3) out vec3 FragPos;
layout(location = 4) out vec2 TexCoords;
layout(push_constant) uniform pc {
layout(offset = 4) int transform_index;
} pushConstants;
void main() {
int transform_index = pushConstants.transform_index;
mat4 transformation = transform.transforms[transform_index].translation * transform.transforms[transform_index].scale * transform.transforms[transform_index].rotation;
vec4 out_vec = proj.proj * view.view * transformation * vec4(vertPos, 1.0);
FragPos = vec3(transformation * vec4(vertPos, 1.0));
Normal = mat3(transpose(inverse(transformation))) * normal;
TexCoords = uv;
gl_Position = out_vec;
}