rg3d 0.21.0

3D Game engine
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use crate::renderer::framework::{
    error::FrameworkError,
    gpu_program::{GpuProgram, UniformLocation},
    state::PipelineState,
};

pub struct SkyboxShader {
    pub program: GpuProgram,
    pub wvp_matrix: UniformLocation,
    pub cubemap_texture: UniformLocation,
}

impl SkyboxShader {
    pub fn new(state: &mut PipelineState) -> Result<Self, FrameworkError> {
        let fragment_source = include_str!("shaders/skybox_fs.glsl");
        let vertex_source = include_str!("shaders/skybox_vs.glsl");

        let program =
            GpuProgram::from_source(state, "SkyboxShader", vertex_source, fragment_source)?;
        Ok(Self {
            wvp_matrix: program.uniform_location(state, "worldViewProjection")?,
            cubemap_texture: program.uniform_location(state, "cubemapTexture")?,
            program,
        })
    }
}