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gpu: implement SwapChain.present, SwapChain.getCurrentTextureView

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-03-11 20:14:58 -07:00 • committed by Stephen Gutekanst
parent cc40004a5f
commit ef3eed7afb
2 changed files with 22 additions and 3 deletions
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10
gpu/src/NativeInstance.zig
View file

@ -587,6 +587,16 @@ const swap_chain_vtable = SwapChain.VTable{
); );
} }
}).configure, }).configure,
.getCurrentTextureView = (struct {
pub fn getCurrentTextureView(ptr: *anyopaque) TextureView {
return wrapTextureView(c.wgpuSwapChainGetCurrentTextureView(@ptrCast(c.WGPUSwapChain, ptr)));
}
}).getCurrentTextureView,
.present = (struct {
pub fn present(ptr: *anyopaque) void {
c.wgpuSwapChainPresent(@ptrCast(c.WGPUSwapChain, ptr));
}
}).present,
}; };
fn wrapTextureView(texture_view: c.WGPUTextureView) TextureView { fn wrapTextureView(texture_view: c.WGPUTextureView) TextureView {

15
gpu/src/SwapChain.zig
View file

@ -1,5 +1,6 @@
const std = @import("std"); const std = @import("std");
const Texture = @import("Texture.zig"); const Texture = @import("Texture.zig");
const TextureView = @import("TextureView.zig");
const PresentMode = @import("enums.zig").PresentMode; const PresentMode = @import("enums.zig").PresentMode;
const SwapChain = @This(); const SwapChain = @This();
@ -13,9 +14,8 @@ pub const VTable = struct {
reference: fn (ptr: *anyopaque) void, reference: fn (ptr: *anyopaque) void,
release: fn (ptr: *anyopaque) void, release: fn (ptr: *anyopaque) void,
configure: fn (ptr: *anyopaque, format: Texture.Format, allowed_usage: Texture.Usage, width: u32, height: u32) void, configure: fn (ptr: *anyopaque, format: Texture.Format, allowed_usage: Texture.Usage, width: u32, height: u32) void,
// TODO: getCurrentTextureView: fn (ptr: *anyopaque) TextureView,
// WGPU_EXPORT WGPUTextureView wgpuSwapChainGetCurrentTextureView(WGPUSwapChain swapChain); present: fn (ptr: *anyopaque) void,
// WGPU_EXPORT void wgpuSwapChainPresent(WGPUSwapChain swapChain);
}; };
pub inline fn reference(swap_chain: SwapChain) void { pub inline fn reference(swap_chain: SwapChain) void {
@ -26,6 +26,7 @@ pub inline fn release(swap_chain: SwapChain) void {
swap_chain.vtable.release(swap_chain.ptr); swap_chain.vtable.release(swap_chain.ptr);
} }
// TODO: remove this and/or prefix with dawn? Seems to be deprecated / not in upstream webgpu.h
pub inline fn configure( pub inline fn configure(
swap_chain: SwapChain, swap_chain: SwapChain,
format: Texture.Format, format: Texture.Format,
@ -36,6 +37,14 @@ pub inline fn configure(
swap_chain.vtable.configure(swap_chain.ptr, format, allowed_usage, width, height); swap_chain.vtable.configure(swap_chain.ptr, format, allowed_usage, width, height);
} }
pub inline fn getCurrentTextureView(swap_chain: SwapChain) TextureView {
return swap_chain.vtable.getCurrentTextureView(swap_chain.ptr);
}
pub inline fn present(swap_chain: SwapChain) void {
swap_chain.vtable.present(swap_chain.ptr);
}
pub const Descriptor = struct { pub const Descriptor = struct {
label: ?[:0]const u8 = null, label: ?[:0]const u8 = null,
usage: Texture.Usage, usage: Texture.Usage,