3cc8d4fb7f
The new webgpu_cpp.h hotness for native apps brings with it a new namespace: wgpu. This is a straight substitution. Note: no Skia API changes. Change-Id: I12b26417e76838cd8fa2b39b8161cbaa2cd8fa78 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/251660 Commit-Queue: Stephen White <senorblanco@chromium.org> Commit-Queue: Mike Klein <mtklein@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
/*
|
|
* Copyright 2019 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "tools/sk_app/DawnWindowContext.h"
|
|
#include "tools/sk_app/unix/WindowContextFactory_unix.h"
|
|
#include "dawn_native/DawnNative.h"
|
|
#include "dawn_native/VulkanBackend.h"
|
|
#include "src/ports/SkOSLibrary.h"
|
|
#include "tools/gpu/vk/VkTestUtils.h"
|
|
|
|
#include <vulkan/vulkan.h>
|
|
#include <X11/Xlib-xcb.h>
|
|
|
|
using sk_app::window_context_factory::XlibWindowInfo;
|
|
using sk_app::DisplayParams;
|
|
using sk_app::DawnWindowContext;
|
|
|
|
namespace sk_app {
|
|
|
|
class DawnVulkanWindowContext_xlib : public DawnWindowContext {
|
|
public:
|
|
DawnVulkanWindowContext_xlib(const XlibWindowInfo&, const DisplayParams&);
|
|
~DawnVulkanWindowContext_xlib() override {}
|
|
wgpu::Device onInitializeContext() override;
|
|
void onDestroyContext() override {}
|
|
DawnSwapChainImplementation createSwapChainImplementation(
|
|
int width, int height, const DisplayParams& params) override;
|
|
void onSwapBuffers() override {}
|
|
|
|
private:
|
|
Display* fDisplay;
|
|
XWindow fWindow;
|
|
VkSurfaceKHR fVkSurface = nullptr;
|
|
|
|
typedef DawnWindowContext INHERITED;
|
|
};
|
|
|
|
DawnVulkanWindowContext_xlib::DawnVulkanWindowContext_xlib(const XlibWindowInfo& winInfo,
|
|
const DisplayParams& params)
|
|
: INHERITED(params, wgpu::TextureFormat::BGRA8Unorm)
|
|
, fDisplay(winInfo.fDisplay)
|
|
, fWindow(winInfo.fWindow) {
|
|
XWindow root;
|
|
int x, y;
|
|
unsigned int border_width, depth;
|
|
unsigned int width, height;
|
|
XGetGeometry(fDisplay, fWindow, &root, &x, &y, &width, &height, &border_width, &depth);
|
|
this->initializeContext(width, height);
|
|
}
|
|
|
|
DawnSwapChainImplementation DawnVulkanWindowContext_xlib::createSwapChainImplementation(
|
|
int width, int height, const DisplayParams& params) {
|
|
return dawn_native::vulkan::CreateNativeSwapChainImpl(fDevice.Get(), fVkSurface);
|
|
}
|
|
|
|
wgpu::Device DawnVulkanWindowContext_xlib::onInitializeContext() {
|
|
wgpu::Device device = this->createDevice(dawn_native::BackendType::Vulkan);
|
|
if (!device) {
|
|
return nullptr;
|
|
}
|
|
|
|
void *vkLib = DynamicLoadLibrary("libvulkan.so.1");
|
|
if (!vkLib) {
|
|
return nullptr;
|
|
}
|
|
VkInstance instance = dawn_native::vulkan::GetInstance(device.Get());
|
|
if (!instance) {
|
|
return nullptr;
|
|
}
|
|
auto createXcbSurfaceKHR =
|
|
reinterpret_cast<PFN_vkCreateXcbSurfaceKHR>(GetProcedureAddress(vkLib,
|
|
"vkCreateXcbSurfaceKHR"));
|
|
if (!createXcbSurfaceKHR) {
|
|
printf("couldn't get extensions :(\n");
|
|
return nullptr;
|
|
}
|
|
|
|
VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
|
|
memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
|
|
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
|
|
surfaceCreateInfo.pNext = nullptr;
|
|
surfaceCreateInfo.flags = 0;
|
|
surfaceCreateInfo.connection = XGetXCBConnection(fDisplay);
|
|
surfaceCreateInfo.window = fWindow;
|
|
|
|
createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &fVkSurface);
|
|
return device;
|
|
}
|
|
|
|
namespace window_context_factory {
|
|
|
|
std::unique_ptr<WindowContext> MakeDawnVulkanForXlib(const XlibWindowInfo& winInfo,
|
|
const DisplayParams& params) {
|
|
std::unique_ptr<WindowContext> ctx(new DawnVulkanWindowContext_xlib(winInfo, params));
|
|
if (!ctx->isValid()) {
|
|
return nullptr;
|
|
}
|
|
return ctx;
|
|
}
|
|
|
|
}
|
|
|
|
} // namespace sk_app
|