elias/imgui-rs
1
0
Fork 0
mirror of https://github.com/eliasstepanik/imgui-rs.git synced 2026-01-23 19:38:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #326 from filnet/expose-more-drawdata-members

Browse Source 
Make cmd_lists_count public in DrawData struct
This commit is contained in:
Joonas Javanainen 2020-07-07 22:32:59 +03:00 committed by GitHub
commit f05e3d666c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/render/draw_data.rs
View File

@ -4,15 +4,18 @@ use crate::internal::{RawCast, RawWrapper};
use crate::render::renderer::TextureId; use crate::render::renderer::TextureId;
use crate::sys; use crate::sys;
/// All draw data required to render a frame. /// All draw data to render a Dear ImGui frame.
#[repr(C)] #[repr(C)]
pub struct DrawData { pub struct DrawData {
/// Only valid after render() is called and before the next new frame() is called.
valid: bool, valid: bool,
// Array of DrawList.
cmd_lists: *mut *mut DrawList, cmd_lists: *mut *mut DrawList,
/// Number of DrawList to render.
cmd_lists_count: i32, cmd_lists_count: i32,
/// For convenience, sum of all draw list index buffer sizes /// For convenience, sum of all draw list index buffer sizes.
pub total_idx_count: i32, pub total_idx_count: i32,
/// For convenience, sum of all draw list vertex buffer sizes /// For convenience, sum of all draw list vertex buffer sizes.
pub total_vtx_count: i32, pub total_vtx_count: i32,
/// Upper-left position of the viewport to render. /// Upper-left position of the viewport to render.
/// ///
@ -32,7 +35,7 @@ pub struct DrawData {
unsafe impl RawCast<sys::ImDrawData> for DrawData {} unsafe impl RawCast<sys::ImDrawData> for DrawData {}
impl DrawData { impl DrawData {
/// Returns an iterator over the draw lists included in the draw data /// Returns an iterator over the draw lists included in the draw data.
pub fn draw_lists(&self) -> DrawListIterator { pub fn draw_lists(&self) -> DrawListIterator {
unsafe { unsafe {
DrawListIterator { DrawListIterator {
@ -40,6 +43,11 @@ impl DrawData {
} }
} }
} }
/// Returns the number of draw lists included in the draw data.
pub fn draw_lists_count(&self) -> usize {
use std::convert::TryInto;
self.cmd_lists_count.try_into().unwrap()
}
pub(crate) unsafe fn cmd_lists(&self) -> &[*const DrawList] { pub(crate) unsafe fn cmd_lists(&self) -> &[*const DrawList] {
slice::from_raw_parts( slice::from_raw_parts(
self.cmd_lists as *const *const DrawList, self.cmd_lists as *const *const DrawList,