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gfx: implement async shm downloads

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This commit is contained in:
Julian Orth 2024-10-06 15:11:00 +02:00
parent aca14d48dd
commit 028d0ed44c
11 changed files with 194 additions and 198 deletions
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36
src/it/test_gfx_api.rs
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@ -6,8 +6,8 @@ use {
gfx_api::{
AcquireSync, AsyncShmGfxTexture, AsyncShmGfxTextureCallback, CopyTexture, FillRect,
FramebufferRect, GfxApiOpt, GfxContext, GfxError, GfxFormat, GfxFramebuffer, GfxImage,
GfxStagingBuffer, GfxTexture, GfxWriteModifier, PendingShmTransfer, ReleaseSync,
ResetStatus, ShmGfxTexture, ShmMemory, SyncFile,
GfxInternalFramebuffer, GfxStagingBuffer, GfxTexture, GfxWriteModifier,
PendingShmTransfer, ReleaseSync, ResetStatus, ShmGfxTexture, ShmMemory, SyncFile,
},
rect::{Rect, Region},
theme::Color,
@ -165,13 +165,14 @@ impl GfxContext for TestGfxCtx {
GfxApi::OpenGl
}
fn create_fb(
fn create_internal_fb(
self: Rc<Self>,
_cpu_worker: &Rc<CpuWorker>,
width: i32,
height: i32,
stride: i32,
format: &'static Format,
) -> Result<Rc<dyn GfxFramebuffer>, GfxError> {
) -> Result<Rc<dyn GfxInternalFramebuffer>, GfxError> {
assert!(stride >= width * 4);
Ok(Rc::new(TestGfxFb {
img: Rc::new(TestGfxImage::Shm(TestShmGfxImage {
@ -548,15 +549,34 @@ impl GfxFramebuffer for TestGfxFb {
Ok(None)
}
fn copy_to_shm(self: Rc<Self>, shm: &[Cell<u8>]) -> Result<(), GfxError> {
self.img.deref().read_pixels(shm)
}
fn format(&self) -> &'static Format {
&ARGB8888
}
}
impl GfxInternalFramebuffer for TestGfxFb {
fn into_fb(self: Rc<Self>) -> Rc<dyn GfxFramebuffer> {
self
}
fn staging_size(&self) -> usize {
0
}
fn download(
self: Rc<Self>,
_staging: &Rc<dyn GfxStagingBuffer>,
_callback: Rc<dyn AsyncShmGfxTextureCallback>,
mem: Rc<dyn ShmMemory>,
_damage: Region,
) -> Result<Option<PendingShmTransfer>, GfxError> {
let mut res = Ok(());
mem.access(&mut |mem| res = self.img.deref().read_pixels(mem))
.map_err(TestGfxError::AccessFailed)?;
res.map(|_| None)
}
}
impl dyn GfxTexture {
fn as_native(&self) -> &TestGfxImage {
self.as_any()