leyoda/winit
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Switch EGL to use only pf_reqs and opengl

Browse source
This commit is contained in:
Pierre Krieger 2015-09-21 10:11:32 +02:00
parent 3ff08d747c
commit 3054e2ee02
7 changed files with 58 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

48
src/lib.rs
View file

@ -411,32 +411,53 @@ impl<'a> BuilderAttribs<'a> {
(new_attribs, sharing)
}
fn choose_pixel_format<T, I>(&self, iter: I) -> Result<(T, PixelFormat), CreationError>
where I: IntoIterator<Item=(T, PixelFormat)>, T: Clone
{
self.pf_reqs.choose_pixel_format(iter)
}
}
/// VERY UNSTABLE! Describes how the backend should choose a pixel format.
#[derive(Clone, Debug)]
#[allow(missing_docs)]
pub struct PixelFormatRequirements {
pub multisampling: Option<u16>,
pub depth_bits: Option<u8>,
pub stencil_bits: Option<u8>,
pub color_bits: Option<u8>,
pub alpha_bits: Option<u8>,
pub stereoscopy: bool,
pub srgb: Option<bool>,
}
impl PixelFormatRequirements {
fn choose_pixel_format<T, I>(&self, iter: I) -> Result<(T, PixelFormat), CreationError>
where I: IntoIterator<Item=(T, PixelFormat)>, T: Clone
{
// filtering formats that don't match the requirements
let iter = iter.into_iter().filter(|&(_, ref format)| {
if format.color_bits < self.pf_reqs.color_bits.unwrap_or(0) {
if format.color_bits < self.color_bits.unwrap_or(0) {
return false;
}
if format.alpha_bits < self.pf_reqs.alpha_bits.unwrap_or(0) {
if format.alpha_bits < self.alpha_bits.unwrap_or(0) {
return false;
}
if format.depth_bits < self.pf_reqs.depth_bits.unwrap_or(0) {
if format.depth_bits < self.depth_bits.unwrap_or(0) {
return false;
}
if format.stencil_bits < self.pf_reqs.stencil_bits.unwrap_or(0) {
if format.stencil_bits < self.stencil_bits.unwrap_or(0) {
return false;
}
if !format.stereoscopy && self.pf_reqs.stereoscopy {
if !format.stereoscopy && self.stereoscopy {
return false;
}
if let Some(req_ms) = self.pf_reqs.multisampling {
if let Some(req_ms) = self.multisampling {
match format.multisampling {
Some(val) if val >= req_ms => (),
_ => return false
@ -447,7 +468,7 @@ impl<'a> BuilderAttribs<'a> {
}
}
if let Some(srgb) = self.pf_reqs.srgb {
if let Some(srgb) = self.srgb {
if srgb != format.srgb {
return false;
}
@ -511,19 +532,6 @@ impl<'a> BuilderAttribs<'a> {
}
}
/// VERY UNSTABLE! Describes how the backend should choose a pixel format.
#[derive(Clone, Debug)]
#[allow(missing_docs)]
pub struct PixelFormatRequirements {
pub multisampling: Option<u16>,
pub depth_bits: Option<u8>,
pub stencil_bits: Option<u8>,
pub color_bits: Option<u8>,
pub alpha_bits: Option<u8>,
pub stereoscopy: bool,
pub srgb: Option<bool>,
}
impl Default for PixelFormatRequirements {
fn default() -> PixelFormatRequirements {
PixelFormatRequirements {