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Support hidpi

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This commit is contained in:
Paul Rouget 2019-08-22 07:38:17 +02:00
parent 5bf00c07c2
commit 10f86935b8
6 changed files with 19 additions and 45 deletions
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35
support/hololens/ServoApp/ServoControl/OpenGLES.cpp
View file

@ -191,36 +191,7 @@ void OpenGLES::Reset() {
Initialize();
}
// FIXME: simplify this. Duplicating code with CreateSurface(SwapChainPanel)
EGLSurface
OpenGLES::CreateSurface(winrt::Windows::UI::Core::CoreWindow const &cwin) {
EGLSurface surface = EGL_NO_SURFACE;
const EGLint surfaceAttributes[] = {EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER,
EGL_TRUE, EGL_NONE};
PropertySet surfaceCreationProperties;
surfaceCreationProperties.Insert(EGLNativeWindowTypeProperty, cwin);
// How to set size and or scale:
// Insert(EGLRenderSurfaceSizeProperty),
// PropertyValue::CreateSize(*renderSurfaceSize));
// Insert(EGLRenderResolutionScaleProperty),
// PropertyValue::CreateSingle(*resolutionScale));
EGLNativeWindowType win = static_cast<EGLNativeWindowType>(
winrt::get_abi(surfaceCreationProperties));
surface =
eglCreateWindowSurface(mEglDisplay, mEglConfig, win, surfaceAttributes);
if (surface == EGL_NO_SURFACE) {
throw winrt::hresult_error(E_FAIL, L"Failed to create EGL surface");
}
return surface;
}
EGLSurface OpenGLES::CreateSurface(SwapChainPanel const &panel) {
EGLSurface OpenGLES::CreateSurface(SwapChainPanel const &panel, float dpi) {
EGLSurface surface = EGL_NO_SURFACE;
const EGLint surfaceAttributes[] = {EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER,
@ -232,8 +203,8 @@ EGLSurface OpenGLES::CreateSurface(SwapChainPanel const &panel) {
// How to set size and or scale:
// Insert(EGLRenderSurfaceSizeProperty),
// PropertyValue::CreateSize(*renderSurfaceSize));
// Insert(EGLRenderResolutionScaleProperty),
// PropertyValue::CreateSingle(*resolutionScale));
surfaceCreationProperties.Insert(EGLRenderResolutionScaleProperty,
PropertyValue::CreateSingle(dpi));
EGLNativeWindowType win = static_cast<EGLNativeWindowType>(
winrt::get_abi(surfaceCreationProperties));

4
support/hololens/ServoApp/ServoControl/OpenGLES.h
View file

@ -10,8 +10,8 @@ public:
~OpenGLES();
EGLSurface
CreateSurface(winrt::Windows::UI::Xaml::Controls::SwapChainPanel const &);
EGLSurface CreateSurface(winrt::Windows::UI::Core::CoreWindow const &);
CreateSurface(winrt::Windows::UI::Xaml::Controls::SwapChainPanel const &,
float dpi);
void GetSurfaceDimensions(const EGLSurface surface, EGLint *width,
EGLint *height);

4
support/hololens/ServoApp/ServoControl/Servo.cpp
View file

@ -56,7 +56,7 @@ const char* get_clipboard_contents() {
return nullptr;
}
Servo::Servo(hstring url, GLsizei width, GLsizei height,
Servo::Servo(hstring url, GLsizei width, GLsizei height, float dpi,
ServoDelegate &aDelegate)
: mWindowHeight(height), mWindowWidth(width), mDelegate(aDelegate) {
@ -65,7 +65,7 @@ Servo::Servo(hstring url, GLsizei width, GLsizei height,
o.url = *hstring2char(url);
o.width = mWindowWidth;
o.height = mWindowHeight;
o.density = 1.0;
o.density = dpi;
o.enable_subpixel_text_antialiasing = false;
o.vr_pointer = NULL;

2
support/hololens/ServoApp/ServoControl/Servo.h
View file

@ -43,7 +43,7 @@ protected:
class Servo {
public:
Servo(hstring, GLsizei, GLsizei, ServoDelegate &);
Servo(hstring, GLsizei, GLsizei, float, ServoDelegate &);
~Servo();
ServoDelegate &Delegate() { return mDelegate; }

18
support/hololens/ServoApp/ServoControl/ServoControl.cpp
View file

@ -4,6 +4,7 @@
#include <stdlib.h>
using namespace std::placeholders;
using namespace winrt::Windows::Graphics::Display;
using namespace winrt::Windows::UI::Xaml;
using namespace winrt::Windows::UI::Core;
using namespace winrt::Windows::Foundation;
@ -13,6 +14,7 @@ using namespace winrt::servo;
namespace winrt::ServoApp::implementation {
ServoControl::ServoControl() {
mDPI = (float)DisplayInformation::GetForCurrentView().ResolutionScale() / 100;
DefaultStyleKey(winrt::box_value(L"ServoApp.ServoControl"));
Loaded(std::bind(&ServoControl::OnLoaded, this, _1, _2));
}
@ -62,7 +64,7 @@ Controls::SwapChainPanel ServoControl::Panel() {
void ServoControl::CreateRenderSurface() {
if (mRenderSurface == EGL_NO_SURFACE) {
mRenderSurface = mOpenGLES.CreateSurface(Panel());
mRenderSurface = mOpenGLES.CreateSurface(Panel(), mDPI);
}
}
@ -81,10 +83,10 @@ void ServoControl::RecoverFromLostDevice() {
void ServoControl::OnSurfaceManipulationDelta(
IInspectable const &, Input::ManipulationDeltaRoutedEventArgs const &e) {
auto x = e.Position().X;
auto y = e.Position().Y;
auto dx = e.Delta().Translation.X;
auto dy = e.Delta().Translation.Y;
auto x = e.Position().X * mDPI;
auto y = e.Position().Y * mDPI;
auto dx = e.Delta().Translation.X * mDPI;
auto dy = e.Delta().Translation.Y * mDPI;
RunOnGLThread([=] { mServo->Scroll(dx, dy, x, y); });
e.Handled(true);
}
@ -92,8 +94,8 @@ void ServoControl::OnSurfaceManipulationDelta(
void ServoControl::OnSurfaceClicked(IInspectable const &,
Input::PointerRoutedEventArgs const &e) {
auto coords = e.GetCurrentPoint(Panel());
auto x = coords.Position().X;
auto y = coords.Position().Y;
auto x = coords.Position().X * mDPI;
auto y = coords.Position().Y * mDPI;
RunOnGLThread([=] { mServo->Click(x, y); });
e.Handled(true);
}
@ -153,7 +155,7 @@ void ServoControl::Loop() {
if (mServo == nullptr) {
log("Entering loop");
ServoDelegate *sd = static_cast<ServoDelegate *>(this);
mServo = std::make_unique<Servo>(mInitialURL, panelWidth, panelHeight, *sd);
mServo = std::make_unique<Servo>(mInitialURL, panelWidth, panelHeight, mDPI, *sd);
} else {
// FIXME: this will fail since create_task didn't pick the thread
// where Servo was running initially.

1
support/hololens/ServoApp/ServoControl/ServoControl.h
View file

@ -92,6 +92,7 @@ private:
winrt::event<EventDelegate> mOnCaptureGesturesStartedEvent;
winrt::event<EventDelegate> mOnCaptureGesturesEndedEvent;
float mDPI = 1;
hstring mInitialURL = L"https://servo.org";
Windows::UI::Xaml::Controls::SwapChainPanel ServoControl::Panel();