zig/mach
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

gpu: add getProcAddress

Browse source 
Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-07-24 15:18:13 -07:00 • committed by Stephen Gutekanst
parent c0ad349a12
commit 2d6dbd3351
3 changed files with 17 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
gpu/TODO-webgpu.h
View file

@ -10,8 +10,6 @@ typedef void (*WGPUQueueWorkDoneCallback)(WGPUQueueWorkDoneStatus status, void *
typedef void (*WGPURequestAdapterCallback)(WGPURequestAdapterStatus status, WGPUAdapter adapter, char const * message, void * userdata); typedef void (*WGPURequestAdapterCallback)(WGPURequestAdapterStatus status, WGPUAdapter adapter, char const * message, void * userdata);
typedef void (*WGPURequestDeviceCallback)(WGPURequestDeviceStatus status, WGPUDevice device, char const * message, void * userdata); typedef void (*WGPURequestDeviceCallback)(WGPURequestDeviceStatus status, WGPUDevice device, char const * message, void * userdata);
WGPU_EXPORT WGPUProc wgpuGetProcAddress(WGPUDevice device, char const * procName);
// Methods of Adapter // Methods of Adapter
WGPU_EXPORT WGPUDevice wgpuAdapterCreateDevice(WGPUAdapter adapter, WGPUDeviceDescriptor const * descriptor /* nullable */); WGPU_EXPORT WGPUDevice wgpuAdapterCreateDevice(WGPUAdapter adapter, WGPUDeviceDescriptor const * descriptor /* nullable */);
WGPU_EXPORT size_t wgpuAdapterEnumerateFeatures(WGPUAdapter adapter, WGPUFeatureName * features); WGPU_EXPORT size_t wgpuAdapterEnumerateFeatures(WGPUAdapter adapter, WGPUFeatureName * features);

13
gpu/src/interface.zig
View file

@ -1,9 +1,11 @@
const Instance = @import("instance.zig").Instance; const Instance = @import("instance.zig").Instance;
const InstanceDescriptor = @import("instance.zig").InstanceDescriptor; const InstanceDescriptor = @import("instance.zig").InstanceDescriptor;
const gpu = @import("main.zig");
/// Verifies that a gpu.Interface implementation exposes the expected function declarations. /// Verifies that a gpu.Interface implementation exposes the expected function declarations.
pub fn Interface(comptime Impl: type) type { pub fn Interface(comptime Impl: type) type {
assertDecl(Impl, "createInstance", fn (descriptor: *const InstanceDescriptor) callconv(.Inline) ?Instance); assertDecl(Impl, "createInstance", fn (descriptor: *const InstanceDescriptor) callconv(.Inline) ?Instance);
assertDecl(Impl, "getProcAddress", fn (device: gpu.Device, proc_name: [*:0]const u8) callconv(.Inline) ?gpu.Proc);
return Impl; return Impl;
} }
@ -21,6 +23,11 @@ pub fn Export(comptime Impl: type) type {
export fn wgpuCreateInstance(descriptor: *const InstanceDescriptor) ?Instance { export fn wgpuCreateInstance(descriptor: *const InstanceDescriptor) ?Instance {
return Impl.createInstance(descriptor); return Impl.createInstance(descriptor);
} }
// WGPU_EXPORT WGPUProc wgpuGetProcAddress(WGPUDevice device, char const * procName);
export fn getProcAddress(device: gpu.Device, proc_name: [*:0]const u8) ?gpu.Proc {
return Impl.getProcAddress(device, proc_name);
}
}; };
} }
@ -30,6 +37,12 @@ pub const NullInterface = Interface(struct {
_ = descriptor; _ = descriptor;
return null; return null;
} }
pub inline fn getProcAddress(device: gpu.Device, proc_name: [*:0]const u8) ?gpu.Proc {
_ = device;
_ = proc_name;
return null;
}
}); });
test "null" { test "null" {

4
gpu/src/main.zig
View file

@ -44,6 +44,10 @@ const query_set = @import("query_set.zig");
const texture_view = @import("texture_view.zig"); const texture_view = @import("texture_view.zig");
const surface = @import("surface.zig"); const surface = @import("surface.zig");
/// Generic function pointer type, used for returning API function pointers. Must be
/// cast to a `fn (...) callconv(.C) T` before use.
pub const Proc = *anyopaque;
pub const ComputePassTimestampWrite = extern struct { pub const ComputePassTimestampWrite = extern struct {
query_set: query_set.QuerySet, query_set: query_set.QuerySet,
query_index: u32, query_index: u32,