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vulkan: add support for blend buffers

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This commit is contained in:
Julian Orth 2025-02-22 17:18:20 +01:00
parent 1220539a41
commit cb9da22ec2
20 changed files with 638 additions and 78 deletions
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28
src/gfx_apis/vulkan/image.rs
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@ -64,6 +64,7 @@ pub struct VulkanImage {
pub(super) ty: VulkanImageMemory,
pub(super) bridge: Option<VulkanFramebufferBridge>,
pub(super) shader_read_only_optimal_descriptor: Box<[u8]>,
pub(super) sampled_image_descriptor: Box<[u8]>,
pub(super) descriptor_buffer_version: Cell<u64>,
pub(super) descriptor_buffer_offset: Cell<DeviceSize>,
pub(super) execution_version: Cell<u64>,
@ -102,6 +103,7 @@ pub enum QueueTransfer {
pub enum VulkanImageMemory {
DmaBuf(VulkanDmaBufImage),
Internal(VulkanShmImage),
Blend(#[expect(dead_code)] VulkanAllocation),
}
pub struct VulkanDmaBufImage {
@ -451,6 +453,7 @@ impl VulkanDmaBufImageTemplate {
shader_read_only_optimal_descriptor: self
.renderer
.sampler_read_only_descriptor(texture_view),
sampled_image_descriptor: Box::new([]),
descriptor_buffer_version: Cell::new(0),
descriptor_buffer_offset: Cell::new(0),
execution_version: Cell::new(0),
@ -539,10 +542,30 @@ impl GfxFramebuffer for VulkanImage {
ops: &[GfxApiOpt],
clear: Option<&Color>,
region: &Region,
_blend_buffer: Option<&Rc<dyn GfxBlendBuffer>>,
blend_buffer: Option<&Rc<dyn GfxBlendBuffer>>,
) -> Result<Option<SyncFile>, GfxError> {
let mut blend_buffer =
blend_buffer.map(|b| b.clone().into_vk(&self.renderer.device.device));
if let Some(bb) = &blend_buffer {
if bb.size() != self.size() {
log::error!(
"Blend buffer has invalid size: {:?} != {:?}",
bb.size(),
self.size()
);
blend_buffer = None;
}
}
self.renderer
.execute(&self, acquire_sync, release_sync, ops, clear, region)
.execute(
&self,
acquire_sync,
release_sync,
ops,
clear,
region,
blend_buffer,
)
.map_err(|e| e.into())
}
@ -610,6 +633,7 @@ impl GfxTexture for VulkanImage {
match &self.ty {
VulkanImageMemory::DmaBuf(b) => Some(&b.template.dmabuf),
VulkanImageMemory::Internal(_) => None,
VulkanImageMemory::Blend(_) => None,
}
}