// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use glib;
use glib::object::IsA;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
#[cfg(any(feature = "v1_16", feature = "dox"))]
use glib::GString;
use glib::StaticType;
use glib::Value;
use glib_sys;
use gobject_sys;
use gst;
use gst_gl_sys;
use std::boxed::Box as Box_;
use std::mem::transmute;
use std::ptr;
use GLContext;
#[cfg(any(feature = "v1_16", feature = "dox"))]
use GLSLProfile;
use GLSLStage;
#[cfg(any(feature = "v1_16", feature = "dox"))]
use GLSLVersion;

glib_wrapper! {
    ///
    ///
    /// # Implements
    ///
    /// [`gst::ObjectExt`](../gst/trait.ObjectExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html)
    pub struct GLShader(Object<gst_gl_sys::GstGLShader, gst_gl_sys::GstGLShaderClass, GLShaderClass>) @extends gst::Object;

    match fn {
        get_type => || gst_gl_sys::gst_gl_shader_get_type(),
    }
}

impl GLShader {
    /// Note: must be called in the GL thread
    /// ## `context`
    /// a `GLContext`
    ///
    /// # Returns
    ///
    /// a new empty `shader`
    pub fn new<P: IsA<GLContext>>(context: &P) -> GLShader {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(gst_gl_sys::gst_gl_shader_new(
                context.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Note: must be called in the GL thread
    /// ## `context`
    /// a `GLContext`
    ///
    /// # Returns
    ///
    /// a default `shader` or `None` on failure
    pub fn new_default<P: IsA<GLContext>>(context: &P) -> Result<GLShader, glib::Error> {
        skip_assert_initialized!();
        unsafe {
            let mut error = ptr::null_mut();
            let ret = gst_gl_sys::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))
            }
        }
    }

    //pub fn new_link_with_stages<P: IsA<GLContext>>(context: &P, error: &mut glib::Error, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> GLShader {
    //    unsafe { TODO: call gst_gl_sys:gst_gl_shader_new_link_with_stages() }
    //}

    //pub fn with_stages<P: IsA<GLContext>>(context: &P, error: &mut glib::Error, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> GLShader {
    //    unsafe { TODO: call gst_gl_sys:gst_gl_shader_new_with_stages() }
    //}

    /// Attaches `stage` to `self`. `stage` must have been successfully compiled
    /// with `GLSLStage::compile`.
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a `GLSLStage` to attach
    ///
    /// # Returns
    ///
    /// whether `stage` could be attached to `self`
    pub fn attach(&self, stage: &GLSLStage) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib_result_from_gboolean!(
                gst_gl_sys::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`.
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a `GLSLStage` to attach
    ///
    /// # Returns
    ///
    /// whether `stage` could be attached to `self`
    pub fn attach_unlocked(&self, stage: &GLSLStage) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib_result_from_gboolean!(
                gst_gl_sys::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
    pub fn bind_attribute_location(&self, index: u32, name: &str) {
        unsafe {
            gst_gl_sys::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
    pub fn bind_frag_data_location(&self, index: u32, name: &str) {
        unsafe {
            gst_gl_sys::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` to attach
    ///
    /// # Returns
    ///
    /// whether `stage` could be compiled and attached to `self`
    pub fn compile_attach_stage(&self, stage: &GLSLStage) -> Result<(), glib::Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let _ = gst_gl_sys::gst_gl_shader_compile_attach_stage(
                self.to_glib_none().0,
                stage.to_glib_none().0,
                &mut error,
            );
            if error.is_null() {
                Ok(())
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    /// Detaches `stage` from `self`. `stage` must have been successfully attached
    /// to `self` with `GLShader::attach` or `GLShader::attach_unlocked`.
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a `GLSLStage` to attach
    pub fn detach(&self, stage: &GLSLStage) {
        unsafe {
            gst_gl_sys::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 `GLShader::attach` or `GLShader::attach_unlocked`.
    ///
    /// Note: must be called in the GL thread
    /// ## `stage`
    /// a `GLSLStage` to attach
    pub fn detach_unlocked(&self, stage: &GLSLStage) {
        unsafe {
            gst_gl_sys::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
    pub fn get_attribute_location(&self, name: &str) -> i32 {
        unsafe {
            gst_gl_sys::gst_gl_shader_get_attribute_location(
                self.to_glib_none().0,
                name.to_glib_none().0,
            )
        }
    }

    ///
    /// # Returns
    ///
    /// the GL program handle for this shader
    pub fn get_program_handle(&self) -> i32 {
        unsafe { gst_gl_sys::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
    pub fn is_linked(&self) -> bool {
        unsafe { from_glib(gst_gl_sys::gst_gl_shader_is_linked(self.to_glib_none().0)) }
    }

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

    /// Releases the shader and stages.
    ///
    /// Note: must be called in the GL thread
    pub fn release(&self) {
        unsafe {
            gst_gl_sys::gst_gl_shader_release(self.to_glib_none().0);
        }
    }

    /// Releases the shader and stages.
    ///
    /// Note: must be called in the GL thread
    pub fn release_unlocked(&self) {
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_1f(&self, name: &str, value: f32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_1fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_1i(&self, name: &str, value: i32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_1iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_2f(&self, name: &str, v0: f32, v1: f32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_2fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_2i(&self, name: &str, v0: i32, v1: i32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_2iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_3f(&self, name: &str, v0: f32, v1: f32, v2: f32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_3fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_3i(&self, name: &str, v0: i32, v1: i32, v2: i32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_3iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_4f(&self, name: &str, v0: f32, v1: f32, v2: f32, v3: f32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_4fv(&self, name: &str, value: &[f32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::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
    pub fn set_uniform_4i(&self, name: &str, v0: i32, v1: i32, v2: i32, v3: i32) {
        unsafe {
            gst_gl_sys::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
    /// ## `count`
    /// number of values to set
    /// ## `value`
    /// values to set
    pub fn set_uniform_4iv(&self, name: &str, value: &[i32]) {
        let count = value.len() as u32;
        unsafe {
            gst_gl_sys::gst_gl_shader_set_uniform_4iv(
                self.to_glib_none().0,
                name.to_glib_none().0,
                count,
                value.to_glib_none().0,
            );
        }
    }

    pub fn use_(&self) {
        unsafe {
            gst_gl_sys::gst_gl_shader_use(self.to_glib_none().0);
        }
    }

    pub fn get_property_linked(&self) -> bool {
        unsafe {
            let mut value = Value::from_type(<bool as StaticType>::static_type());
            gobject_sys::g_object_get_property(
                self.as_ptr() as *mut gobject_sys::GObject,
                b"linked\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `linked` getter")
                .unwrap()
        }
    }

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

    ///
    /// Feature: `v1_16`
    ///
    /// ## `context`
    /// a `GLContext`
    /// ## `version`
    /// a `GLSLVersion`
    /// ## `profile`
    /// a `GLSLProfile`
    ///
    /// # Returns
    ///
    /// a passthrough shader string for copying an input texture to
    ///  the output
    #[cfg(any(feature = "v1_16", feature = "dox"))]
    pub fn string_fragment_get_default<P: IsA<GLContext>>(
        context: &P,
        version: GLSLVersion,
        profile: GLSLProfile,
    ) -> Option<GString> {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(gst_gl_sys::gst_gl_shader_string_fragment_get_default(
                context.as_ref().to_glib_none().0,
                version.to_glib(),
                profile.to_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.
    ///
    /// Feature: `v1_16`
    ///
    /// ## `context`
    /// a `GLContext`
    /// ## `version`
    /// a `GLSLVersion`
    /// ## `profile`
    /// a `GLSLProfile`
    ///
    /// # Returns
    ///
    /// a shader string defining the precision of float types based on
    ///  `context`, `version` and `profile`
    #[cfg(any(feature = "v1_16", feature = "dox"))]
    pub fn string_get_highest_precision<P: IsA<GLContext>>(
        context: &P,
        version: GLSLVersion,
        profile: GLSLProfile,
    ) -> Option<GString> {
        skip_assert_initialized!();
        unsafe {
            from_glib_none(gst_gl_sys::gst_gl_shader_string_get_highest_precision(
                context.as_ref().to_glib_none().0,
                version.to_glib(),
                profile.to_glib(),
            ))
        }
    }

    pub fn connect_property_linked_notify<F: Fn(&GLShader) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_linked_trampoline<F: Fn(&GLShader) + Send + Sync + 'static>(
            this: *mut gst_gl_sys::GstGLShader,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::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 {}