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Multisampling support

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This commit is contained in:
msiglreith 2018-05-02 16:19:15 +02:00
parent cc049bbb7c
commit 545f3bb0f0
1 changed files with 25 additions and 10 deletions
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35
libportability-gfx/src/impls.rs
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@ -1523,12 +1523,12 @@ pub extern "C" fn gfxCreateGraphicsPipelines(
set
};
let rasterizer = {
let (rasterizer, rasterizer_discard) = {
let state = unsafe { &*info.pRasterizationState };
assert_eq!(state.rasterizerDiscardEnable, VK_FALSE); // TODO
pso::Rasterizer {
let rasterizer = pso::Rasterizer {
polygon_mode: conv::map_polygon_mode(state.polygonMode, state.lineWidth),
cull_face: conv::map_cull_face(state.cullMode),
front_face: conv::map_front_face(state.frontFace),
@ -1543,7 +1543,9 @@ pub extern "C" fn gfxCreateGraphicsPipelines(
None
},
conservative: false,
}
};
(rasterizer, state.rasterizerDiscardEnable == VK_TRUE)
};
let (vertex_buffers, attributes) = {
@ -1661,9 +1663,23 @@ pub extern "C" fn gfxCreateGraphicsPipelines(
blend_desc
};
if !info.pMultisampleState.is_null() {
warn!("Multisampling is not supported yet");
}
let multisampling = if !rasterizer_discard && !info.pMultisampleState.is_null() {
let multisampling = unsafe { *info.pMultisampleState };
Some(pso::Multisampling {
rasterization_samples: multisampling.rasterizationSamples as _,
sample_shading: if multisampling.sampleShadingEnable == VK_TRUE {
Some(multisampling.minSampleShading)
} else {
None
},
sample_mask: !0, // TODO
alpha_coverage: multisampling.alphaToCoverageEnable == VK_TRUE,
alpha_to_one: multisampling.alphaToOneEnable == VK_TRUE,
})
} else {
None
};
// TODO: `pDepthStencilState` could contain garbage, but implementations
// can ignore it in some circumstances. How to handle it?
@ -1782,6 +1798,7 @@ pub extern "C" fn gfxCreateGraphicsPipelines(
input_assembler,
blender,
depth_stencil,
multisampling,
baked_states,
layout,
subpass,
@ -2341,6 +2358,7 @@ pub extern "C" fn gfxCreateRenderPass(
pass::Attachment {
format: conv::map_format(attachment.format),
samples: attachment.samples as u32 as _,
ops: pass::AttachmentOps {
load: conv::map_attachment_load_op(attachment.loadOp),
store: conv::map_attachment_store_op(attachment.storeOp),
@ -2389,16 +2407,12 @@ pub extern "C" fn gfxCreateRenderPass(
let resolve = if subpass.pResolveAttachments.is_null() {
Vec::new()
} else {
warn!("TODO: implement resolve attachments");
Vec::new()
/*
unsafe {
slice::from_raw_parts(subpass.pResolveAttachments, subpass.colorAttachmentCount as _)
.into_iter()
.map(map_attachment_ref)
.collect()
}
*/
};
let depth_stencil = unsafe {
subpass
@ -2431,6 +2445,7 @@ pub extern "C" fn gfxCreateRenderPass(
colors: &attachment_ref.color,
depth_stencil: attachment_ref.depth_stencil.as_ref(),
inputs: &attachment_ref.input,
resolves: &attachment_ref.resolve,
preserves: &attachment_ref.preserve,
}
})