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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use crate::GLContext;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
use crate::GLSLProfile;
use crate::GLSLStage;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
use crate::GLSLVersion;
use glib::object::IsA;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::mem::transmute;
use std::ptr;

glib::wrapper! {
    ///
    ///
    /// # Implements
    ///
    /// [`trait@gst::prelude::ObjectExt`], [`trait@glib::ObjectExt`]
    #[doc(alias = "GstGLShader")]
    pub struct GLShader(Object<ffi::GstGLShader, ffi::GstGLShaderClass>) @extends gst::Object;

    match fn {
        type_ => || ffi::gst_gl_shader_get_type(),
    }
}

impl GLShader {
    /// Note: must be called in the GL thread
    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    ///
    /// # Returns
    ///
    /// a new empty `shader`
    #[doc(alias = "gst_gl_shader_new")]
    pub fn new(context: &impl IsA<GLContext>) -> GLShader {
        skip_assert_initialized!();
        unsafe { from_glib_full(ffi::gst_gl_shader_new(context.as_ref().to_glib_none().0)) }
    }

    /// Note: must be called in the GL thread
    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    ///
    /// # Returns
    ///
    /// a default `shader` or [`None`] on failure
    #[doc(alias = "gst_gl_shader_new_default")]
    pub fn new_default(context: &impl IsA<GLContext>) -> Result<GLShader, glib::Error> {
        skip_assert_initialized!();
        unsafe {
            let mut error = ptr::null_mut();
            let ret = ffi::gst_gl_shader_new_default(context.as_ref().to_glib_none().0, &mut error);
            if error.is_null() {
                Ok(from_glib_full(ret))
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    //#[doc(alias = "gst_gl_shader_new_link_with_stages")]
    //pub fn new_link_with_stages(context: &impl IsA<GLContext>, error: &mut glib::Error, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> GLShader {
    //    unsafe { TODO: call ffi:gst_gl_shader_new_link_with_stages() }
    //}

    //#[doc(alias = "gst_gl_shader_new_with_stages")]
    //#[doc(alias = "new_with_stages")]
    //pub fn with_stages(context: &impl IsA<GLContext>, error: &mut glib::Error, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> GLShader {
    //    unsafe { TODO: call ffi:gst_gl_shader_new_with_stages() }
    //}

    /// Attaches `stage` to `self`. `stage` must have been successfully compiled
    /// with [`GLSLStage::compile()`][crate::GLSLStage::compile()].
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a [`GLSLStage`][crate::GLSLStage] to attach
    ///
    /// # Returns
    ///
    /// whether `stage` could be attached to `self`
    #[doc(alias = "gst_gl_shader_attach")]
    pub fn attach(&self, stage: &GLSLStage) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib::result_from_gboolean!(
                ffi::gst_gl_shader_attach(self.to_glib_none().0, stage.to_glib_none().0),
                "Failed to attach stage to shader"
            )
        }
    }

    /// Attaches `stage` to `self`. `stage` must have been successfully compiled
    /// with [`GLSLStage::compile()`][crate::GLSLStage::compile()].
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a [`GLSLStage`][crate::GLSLStage] to attach
    ///
    /// # Returns
    ///
    /// whether `stage` could be attached to `self`
    #[doc(alias = "gst_gl_shader_attach_unlocked")]
    pub fn attach_unlocked(&self, stage: &GLSLStage) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib::result_from_gboolean!(
                ffi::gst_gl_shader_attach_unlocked(self.to_glib_none().0, stage.to_glib_none().0),
                "Failed to attach stage to shader"
            )
        }
    }

    /// Bind attribute `name` to the specified location `index` using
    /// `glBindAttributeLocation()`.
    /// ## `index`
    /// attribute index to set
    /// ## `name`
    /// name of the attribute
    #[doc(alias = "gst_gl_shader_bind_attribute_location")]
    pub fn bind_attribute_location(&self, index: u32, name: &str) {
        unsafe {
            ffi::gst_gl_shader_bind_attribute_location(
                self.to_glib_none().0,
                index,
                name.to_glib_none().0,
            );
        }
    }

    /// Bind attribute `name` to the specified location `index` using
    /// `glBindFragDataLocation()`.
    /// ## `index`
    /// attribute index to set
    /// ## `name`
    /// name of the attribute
    #[doc(alias = "gst_gl_shader_bind_frag_data_location")]
    pub fn bind_frag_data_location(&self, index: u32, name: &str) {
        unsafe {
            ffi::gst_gl_shader_bind_frag_data_location(
                self.to_glib_none().0,
                index,
                name.to_glib_none().0,
            );
        }
    }

    /// Compiles `stage` and attaches it to `self`.
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a [`GLSLStage`][crate::GLSLStage] to attach
    ///
    /// # Returns
    ///
    /// whether `stage` could be compiled and attached to `self`
    #[doc(alias = "gst_gl_shader_compile_attach_stage")]
    pub fn compile_attach_stage(&self, stage: &GLSLStage) -> Result<(), glib::Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let is_ok = ffi::gst_gl_shader_compile_attach_stage(
                self.to_glib_none().0,
                stage.to_glib_none().0,
                &mut error,
            );
            assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
            if error.is_null() {
                Ok(())
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    /// Detaches `stage` from `self`. `stage` must have been successfully attached
    /// to `self` with [`attach()`][Self::attach()] or [`attach_unlocked()`][Self::attach_unlocked()].
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a [`GLSLStage`][crate::GLSLStage] to attach
    #[doc(alias = "gst_gl_shader_detach")]
    pub fn detach(&self, stage: &GLSLStage) {
        unsafe {
            ffi::gst_gl_shader_detach(self.to_glib_none().0, stage.to_glib_none().0);
        }
    }

    /// Detaches `stage` from `self`. `stage` must have been successfully attached
    /// to `self` with [`attach()`][Self::attach()] or [`attach_unlocked()`][Self::attach_unlocked()].
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a [`GLSLStage`][crate::GLSLStage] to attach
    #[doc(alias = "gst_gl_shader_detach_unlocked")]
    pub fn detach_unlocked(&self, stage: &GLSLStage) {
        unsafe {
            ffi::gst_gl_shader_detach_unlocked(self.to_glib_none().0, stage.to_glib_none().0);
        }
    }

    /// ## `name`
    /// name of the attribute
    ///
    /// # Returns
    ///
    /// the attribute index for `name` in `self` or -1 on failure
    #[doc(alias = "gst_gl_shader_get_attribute_location")]
    #[doc(alias = "get_attribute_location")]
    pub fn attribute_location(&self, name: &str) -> i32 {
        unsafe {
            ffi::gst_gl_shader_get_attribute_location(self.to_glib_none().0, name.to_glib_none().0)
        }
    }

    ///
    /// # Returns
    ///
    /// the GL program handle for this shader
    #[doc(alias = "gst_gl_shader_get_program_handle")]
    #[doc(alias = "get_program_handle")]
    pub fn program_handle(&self) -> i32 {
        unsafe { ffi::gst_gl_shader_get_program_handle(self.to_glib_none().0) }
    }

    /// Note: must be called in the GL thread
    ///
    /// # Returns
    ///
    /// whether `self` has been successfully linked
    #[doc(alias = "gst_gl_shader_is_linked")]
    pub fn is_linked(&self) -> bool {
        unsafe { from_glib(ffi::gst_gl_shader_is_linked(self.to_glib_none().0)) }
    }

    /// Links the current list of [`GLSLStage`][crate::GLSLStage]'s in `self`.
    ///
    /// Note: must be called in the GL thread
    ///
    /// # Returns
    ///
    /// whether `self` could be linked together.
    #[doc(alias = "gst_gl_shader_link")]
    pub fn link(&self) -> Result<(), glib::Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let is_ok = ffi::gst_gl_shader_link(self.to_glib_none().0, &mut error);
            assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
            if error.is_null() {
                Ok(())
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    /// Releases the shader and stages.
    ///
    /// Note: must be called in the GL thread
    #[doc(alias = "gst_gl_shader_release")]
    pub fn release(&self) {
        unsafe {
            ffi::gst_gl_shader_release(self.to_glib_none().0);
        }
    }

    /// Releases the shader and stages.
    ///
    /// Note: must be called in the GL thread
    #[doc(alias = "gst_gl_shader_release_unlocked")]
    pub fn release_unlocked(&self) {
        unsafe {
            ffi::gst_gl_shader_release_unlocked(self.to_glib_none().0);
        }
    }

    /// Perform `glUniform1f()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// value to set
    #[doc(alias = "gst_gl_shader_set_uniform_1f")]
    pub fn set_uniform_1f(&self, name: &str, value: f32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_1f(self.to_glib_none().0, name.to_glib_none().0, value);
        }
    }

    /// Perform `glUniform1fv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_1fv")]
    pub fn set_uniform_1fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_1fv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    /// Perform `glUniform1i()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// value to set
    #[doc(alias = "gst_gl_shader_set_uniform_1i")]
    pub fn set_uniform_1i(&self, name: &str, value: i32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_1i(self.to_glib_none().0, name.to_glib_none().0, value);
        }
    }

    /// Perform `glUniform1iv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_1iv")]
    pub fn set_uniform_1iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_1iv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    /// Perform `glUniform2f()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `v0`
    /// first value to set
    /// ## `v1`
    /// second value to set
    #[doc(alias = "gst_gl_shader_set_uniform_2f")]
    pub fn set_uniform_2f(&self, name: &str, v0: f32, v1: f32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_2f(self.to_glib_none().0, name.to_glib_none().0, v0, v1);
        }
    }

    /// Perform `glUniform2fv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_2fv")]
    pub fn set_uniform_2fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_2fv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    /// Perform `glUniform2i()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `v0`
    /// first value to set
    /// ## `v1`
    /// second value to set
    #[doc(alias = "gst_gl_shader_set_uniform_2i")]
    pub fn set_uniform_2i(&self, name: &str, v0: i32, v1: i32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_2i(self.to_glib_none().0, name.to_glib_none().0, v0, v1);
        }
    }

    /// Perform `glUniform2iv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_2iv")]
    pub fn set_uniform_2iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_2iv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    /// Perform `glUniform3f()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `v0`
    /// first value to set
    /// ## `v1`
    /// second value to set
    /// ## `v2`
    /// third value to set
    #[doc(alias = "gst_gl_shader_set_uniform_3f")]
    pub fn set_uniform_3f(&self, name: &str, v0: f32, v1: f32, v2: f32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_3f(
                self.to_glib_none().0,
                name.to_glib_none().0,
                v0,
                v1,
                v2,
            );
        }
    }

    /// Perform `glUniform3fv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_3fv")]
    pub fn set_uniform_3fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_3fv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    /// Perform `glUniform3i()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `v0`
    /// first value to set
    /// ## `v1`
    /// second value to set
    /// ## `v2`
    /// third value to set
    #[doc(alias = "gst_gl_shader_set_uniform_3i")]
    pub fn set_uniform_3i(&self, name: &str, v0: i32, v1: i32, v2: i32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_3i(
                self.to_glib_none().0,
                name.to_glib_none().0,
                v0,
                v1,
                v2,
            );
        }
    }

    /// Perform `glUniform3iv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_3iv")]
    pub fn set_uniform_3iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_3iv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    /// Perform `glUniform4f()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `v0`
    /// first value to set
    /// ## `v1`
    /// second value to set
    /// ## `v2`
    /// third value to set
    /// ## `v3`
    /// fourth value to set
    #[doc(alias = "gst_gl_shader_set_uniform_4f")]
    pub fn set_uniform_4f(&self, name: &str, v0: f32, v1: f32, v2: f32, v3: f32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_4f(
                self.to_glib_none().0,
                name.to_glib_none().0,
                v0,
                v1,
                v2,
                v3,
            );
        }
    }

    /// Perform `glUniform4fv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_4fv")]
    pub fn set_uniform_4fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_4fv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    /// Perform `glUniform4i()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `v0`
    /// first value to set
    /// ## `v1`
    /// second value to set
    /// ## `v2`
    /// third value to set
    /// ## `v3`
    /// fourth value to set
    #[doc(alias = "gst_gl_shader_set_uniform_4i")]
    pub fn set_uniform_4i(&self, name: &str, v0: i32, v1: i32, v2: i32, v3: i32) {
        unsafe {
            ffi::gst_gl_shader_set_uniform_4i(
                self.to_glib_none().0,
                name.to_glib_none().0,
                v0,
                v1,
                v2,
                v3,
            );
        }
    }

    /// Perform `glUniform4iv()` for `name` on `self`
    /// ## `name`
    /// name of the uniform
    /// ## `value`
    /// values to set
    #[doc(alias = "gst_gl_shader_set_uniform_4iv")]
    pub fn set_uniform_4iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            ffi::gst_gl_shader_set_uniform_4iv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "gst_gl_shader_use")]
    #[doc(alias = "use")]
    pub fn use_(&self) {
        unsafe {
            ffi::gst_gl_shader_use(self.to_glib_none().0);
        }
    }

    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    /// ## `version`
    /// a [`GLSLVersion`][crate::GLSLVersion]
    /// ## `profile`
    /// a [`GLSLProfile`][crate::GLSLProfile]
    ///
    /// # Returns
    ///
    /// a passthrough shader string for copying an input external-oes
    ///  texture to the output
    #[cfg(any(feature = "v1_16", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
    #[doc(alias = "gst_gl_shader_string_fragment_external_oes_get_default")]
    pub fn string_fragment_external_oes_get_default(
        context: &impl IsA<GLContext>,
        version: GLSLVersion,
        profile: GLSLProfile,
    ) -> Option<glib::GString> {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(ffi::gst_gl_shader_string_fragment_external_oes_get_default(
                context.as_ref().to_glib_none().0,
                version.into_glib(),
                profile.into_glib(),
            ))
        }
    }

    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    /// ## `version`
    /// a [`GLSLVersion`][crate::GLSLVersion]
    /// ## `profile`
    /// a [`GLSLProfile`][crate::GLSLProfile]
    ///
    /// # Returns
    ///
    /// a passthrough shader string for copying an input texture to
    ///  the output
    #[cfg(any(feature = "v1_16", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
    #[doc(alias = "gst_gl_shader_string_fragment_get_default")]
    pub fn string_fragment_get_default(
        context: &impl IsA<GLContext>,
        version: GLSLVersion,
        profile: GLSLProfile,
    ) -> Option<glib::GString> {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(ffi::gst_gl_shader_string_fragment_get_default(
                context.as_ref().to_glib_none().0,
                version.into_glib(),
                profile.into_glib(),
            ))
        }
    }

    /// Generates a shader string that defines the precision of float types in
    /// GLSL shaders. This is particularly needed for fragment shaders in a
    /// GLSL ES context where there is no default precision specified.
    ///
    /// Practically, this will return the string 'precision mediump float'
    /// or 'precision highp float' depending on if high precision floats are
    /// determined to be supported.
    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    /// ## `version`
    /// a [`GLSLVersion`][crate::GLSLVersion]
    /// ## `profile`
    /// a [`GLSLProfile`][crate::GLSLProfile]
    ///
    /// # Returns
    ///
    /// a shader string defining the precision of float types based on
    ///  `context`, `version` and `profile`
    #[cfg(any(feature = "v1_16", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
    #[doc(alias = "gst_gl_shader_string_get_highest_precision")]
    pub fn string_get_highest_precision(
        context: &impl IsA<GLContext>,
        version: GLSLVersion,
        profile: GLSLProfile,
    ) -> Option<glib::GString> {
        skip_assert_initialized!();
        unsafe {
            from_glib_none(ffi::gst_gl_shader_string_get_highest_precision(
                context.as_ref().to_glib_none().0,
                version.into_glib(),
                profile.into_glib(),
            ))
        }
    }

    #[doc(alias = "linked")]
    pub fn connect_linked_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_linked_trampoline<F: Fn(&GLShader) + Send + Sync + 'static>(
            this: *mut ffi::GstGLShader,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::linked\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_linked_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

unsafe impl Send for GLShader {}
unsafe impl Sync for GLShader {}