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gpu: implement C wrapper for Dawn Instance.discoverAdapters

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-12-04 21:18:06 +00:00
parent 4ebb4571ac
commit d9ec84b327
2 changed files with 48 additions and 5 deletions
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39
gpu/src/dawn/dawn_native_mach.cpp
View file

@ -1,7 +1,9 @@
#include <dawn_native/DawnNative.h>
#include <dawn_native/wgpu_structs_autogen.h>
#include "utils/BackendBinding.h"
#if defined(DAWN_ENABLE_BACKEND_OPENGL)
#include <dawn_native/OpenGLBackend.h>
#endif
#include "dawn_native_mach.h"
#ifdef __cplusplus
@ -133,10 +135,37 @@ MACH_EXPORT void machDawnNativeInstance_discoverDefaultAdapters(MachDawnNativeIn
dawn_native::Instance* self = reinterpret_cast<dawn_native::Instance*>(instance);
self->DiscoverDefaultAdapters();
}
// TODO(dawn-native-mach):
// // Adds adapters that can be discovered with the options provided (like a getProcAddress).
// // The backend is chosen based on the type of the options used. Returns true on success.
// bool DiscoverAdapters(const AdapterDiscoveryOptionsBase* options);
MACH_EXPORT bool machDawnNativeInstance_discoverAdapters(MachDawnNativeInstance instance, WGPUBackendType backendType, const void* options) {
dawn_native::Instance* self = reinterpret_cast<dawn_native::Instance*>(instance);
switch (backendType) {
case WGPUBackendType_OpenGL:
#if defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
{
auto opt = reinterpret_cast<const MachDawnNativeAdapterDiscoveryOptions_OpenGL*>(options);
dawn_native::opengl::AdapterDiscoveryOptions adapterOptions = dawn_native::opengl::AdapterDiscoveryOptions();
adapterOptions.getProc = opt->getProc;
return self->DiscoverAdapters(&adapterOptions);
}
#endif
case WGPUBackendType_OpenGLES:
#if defined(DAWN_ENABLE_BACKEND_OPENGLES)
{
auto opt = reinterpret_cast<const MachDawnNativeAdapterDiscoveryOptions_OpenGLES*>(options);
dawn_native::opengl::AdapterDiscoveryOptionsES adapterOptions;
adapterOptions.getProc = opt->getProc;
return self->DiscoverAdapters(&adapterOptions);
}
#endif
case WGPUBackendType_WebGPU:
case WGPUBackendType_D3D11:
case WGPUBackendType_D3D12:
case WGPUBackendType_Metal:
case WGPUBackendType_Null:
case WGPUBackendType_Vulkan:
case WGPUBackendType_Force32:
return false;
}
}
MACH_EXPORT MachDawnNativeAdapters machDawnNativeInstance_getAdapters(MachDawnNativeInstance instance) {
dawn_native::Instance* self = reinterpret_cast<dawn_native::Instance*>(instance);
auto cppAdapters = self->GetAdapters();

14
gpu/src/dawn/dawn_native_mach.h
View file

@ -81,11 +81,25 @@ typedef struct MachDawnNativeInstanceImpl* MachDawnNativeInstance;
MACH_EXPORT MachDawnNativeInstance machDawnNativeInstance_init(void);
MACH_EXPORT void machDawnNativeInstance_deinit(MachDawnNativeInstance);
MACH_EXPORT void machDawnNativeInstance_discoverDefaultAdapters(MachDawnNativeInstance);
// Adds adapters that can be discovered with the options provided (like a getProcAddress).
// You must specify a valid backend type corresponding to the type of MachDawnNativeAdapterDiscoveryOptions_
// struct pointer you pass as options.
// Returns true on success.
MACH_EXPORT bool machDawnNativeInstance_discoverAdapters(MachDawnNativeInstance instance, WGPUBackendType backendType, const void* options);
MACH_EXPORT MachDawnNativeAdapters machDawnNativeInstance_getAdapters(MachDawnNativeInstance instance);
// Backend-agnostic API for dawn_native
MACH_EXPORT const DawnProcTable* machDawnNativeGetProcs();
// Backend-specific options which can be passed to discoverAdapters
typedef struct MachDawnNativeAdapterDiscoveryOptions_OpenGL {
void* (*getProc)(const char*);
} MachDawnNativeAdapterDiscoveryOptions_OpenGL;
typedef struct MachDawnNativeAdapterDiscoveryOptions_OpenGLES {
void* (*getProc)(const char*);
} MachDawnNativeAdapterDiscoveryOptions_OpenGLES;
// utils
#include <GLFW/glfw3.h>