gsk4/
gl_shader.rs

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// Take a look at the license at the top of the repository in the LICENSE file.

use glib::translate::*;

use crate::{ffi, GLShader};

impl GLShader {
    /// Gets the value of the uniform @idx in the @args block.
    ///
    /// The uniform must be of vec2 type.
    ///
    /// # Deprecated since 4.16
    ///
    /// GTK's new Vulkan-focused rendering
    ///   does not support this feature. Use [GtkGLArea](../gtk4/class.GLArea.html)
    ///   for OpenGL rendering.
    /// ## `args`
    /// uniform arguments
    /// ## `idx`
    /// index of the uniform
    /// ## `out_value`
    /// location to store the uniform value in
    #[doc(alias = "gsk_gl_shader_get_arg_vec2")]
    #[doc(alias = "get_arg_vec2")]
    pub fn arg_vec2(&self, args: &glib::Bytes, idx: i32) -> graphene::Vec2 {
        unsafe {
            let mut out_value = graphene::Vec2::uninitialized();
            ffi::gsk_gl_shader_get_arg_vec2(
                self.to_glib_none().0,
                args.to_glib_none().0,
                idx,
                out_value.to_glib_none_mut().0,
            );
            out_value
        }
    }

    /// Gets the value of the uniform @idx in the @args block.
    ///
    /// The uniform must be of vec3 type.
    ///
    /// # Deprecated since 4.16
    ///
    /// GTK's new Vulkan-focused rendering
    ///   does not support this feature. Use [GtkGLArea](../gtk4/class.GLArea.html)
    ///   for OpenGL rendering.
    /// ## `args`
    /// uniform arguments
    /// ## `idx`
    /// index of the uniform
    /// ## `out_value`
    /// location to store the uniform value in
    #[doc(alias = "gsk_gl_shader_get_arg_vec3")]
    #[doc(alias = "get_arg_vec3")]
    pub fn arg_vec3(&self, args: &glib::Bytes, idx: i32) -> graphene::Vec3 {
        unsafe {
            let mut out_value = graphene::Vec3::uninitialized();
            ffi::gsk_gl_shader_get_arg_vec3(
                self.to_glib_none().0,
                args.to_glib_none().0,
                idx,
                out_value.to_glib_none_mut().0,
            );
            out_value
        }
    }

    /// Gets the value of the uniform @idx in the @args block.
    ///
    /// The uniform must be of vec4 type.
    ///
    /// # Deprecated since 4.16
    ///
    /// GTK's new Vulkan-focused rendering
    ///   does not support this feature. Use [GtkGLArea](../gtk4/class.GLArea.html)
    ///   for OpenGL rendering.
    /// ## `args`
    /// uniform arguments
    /// ## `idx`
    /// index of the uniform
    /// ## `out_value`
    /// location to store set the uniform value in
    #[doc(alias = "gsk_gl_shader_get_arg_vec4")]
    #[doc(alias = "get_arg_vec4")]
    pub fn arg_vec4(&self, args: &glib::Bytes, idx: i32) -> graphene::Vec4 {
        unsafe {
            let mut out_value = graphene::Vec4::uninitialized();
            ffi::gsk_gl_shader_get_arg_vec4(
                self.to_glib_none().0,
                args.to_glib_none().0,
                idx,
                out_value.to_glib_none_mut().0,
            );
            out_value
        }
    }
}