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Simplify BackendBinding following adapters.

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It doesn't need to care about device creation anymore, except for the
GLFW window hints and creating a GL context to discover the adapter.

Also remove the non-adapter GetPCIInfo.

BUG=dawn:29

Change-Id: I9bc8232536a55d2f973463ae0f2e0548dfc35456
Reviewed-on: https://dawn-review.googlesource.com/c/4381
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
This commit is contained in:
Corentin Wallez
2019-02-12 15:48:15 +00:00
committed by Commit Bot service account
parent 5987c4e839
commit bb5696bcd3
14 changed files with 139 additions and 170 deletions
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34
examples/SampleUtils.cpp
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@@ -27,6 +27,7 @@
#include <dawn_wire/WireServer.h>
#include "GLFW/glfw3.h"
#include <algorithm>
#include <cstring>
#include <iostream>
@@ -59,6 +60,7 @@ enum class CmdBufType {
#endif
static CmdBufType cmdBufType = CmdBufType::Terrible;
static std::unique_ptr<dawn_native::Instance> instance;
static utils::BackendBinding* binding = nullptr;
static GLFWwindow* window = nullptr;
@@ -69,29 +71,45 @@ static utils::TerribleCommandBuffer* c2sBuf = nullptr;
static utils::TerribleCommandBuffer* s2cBuf = nullptr;
dawn::Device CreateCppDawnDevice() {
binding = utils::CreateBinding(backendType);
if (binding == nullptr) {
return dawn::Device();
}
glfwSetErrorCallback(PrintGLFWError);
if (!glfwInit()) {
return dawn::Device();
}
binding->SetupGLFWWindowHints();
// Create the test window and discover adapters using it (esp. for OpenGL)
utils::SetupGLFWWindowHintsForBackend(backendType);
window = glfwCreateWindow(640, 480, "Dawn window", nullptr, nullptr);
if (!window) {
return dawn::Device();
}
binding->SetWindow(window);
instance = std::make_unique<dawn_native::Instance>();
utils::DiscoverAdapter(instance.get(), window, backendType);
dawnDevice backendDevice = binding->CreateDevice();
// Get an adapter for the backend to use, and create the device.
dawn_native::Adapter backendAdapter;
{
std::vector<dawn_native::Adapter> adapters = instance->GetAdapters();
auto adapterIt = std::find_if(adapters.begin(), adapters.end(),
[](const dawn_native::Adapter adapter) -> bool {
return adapter.GetBackendType() == backendType;
});
ASSERT(adapterIt != adapters.end());
backendAdapter = *adapterIt;
}
dawnDevice backendDevice = backendAdapter.CreateDevice();
dawnProcTable backendProcs = dawn_native::GetProcs();
binding = utils::CreateBinding(backendType, window, backendDevice);
if (binding == nullptr) {
return dawn::Device();
}
// Choose whether to use the backend procs and devices directly, or set up the wire.
dawnDevice cDevice = nullptr;
dawnProcTable procs;
switch (cmdBufType) {
case CmdBufType::None:
procs = backendProcs;