skia2/tools/sk_app/win/Window_win.cpp
Brian Salomon f4ba4ec796 Revert "Revert "Revert "Revert "Don't build GL on Metal, Vulkan, Dawn, Direct3D bots""""
Updated to use sentinel GL context even when GL backend is not built.

This reverts commit 1171d314ef.

Change-Id: Ia94bbe4865ddd4e898446c13886877c539f0eb0b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/277976
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2020-03-20 17:11:58 +00:00

407 lines
13 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/gpu/vk/GrVkVulkan.h"
#include "tools/sk_app/win/Window_win.h"
#include <tchar.h>
#include <windows.h>
#include <windowsx.h>
#include "src/core/SkUtils.h"
#include "tools/sk_app/WindowContext.h"
#include "tools/sk_app/win/WindowContextFactory_win.h"
#include "tools/skui/ModifierKey.h"
#ifdef SK_VULKAN
#include "tools/sk_app/VulkanWindowContext.h"
#endif
namespace sk_app {
static int gWindowX = CW_USEDEFAULT;
static int gWindowY = 0;
static int gWindowWidth = CW_USEDEFAULT;
static int gWindowHeight = 0;
Window* Window::CreateNativeWindow(void* platformData) {
HINSTANCE hInstance = (HINSTANCE)platformData;
Window_win* window = new Window_win();
if (!window->init(hInstance)) {
delete window;
return nullptr;
}
return window;
}
void Window_win::closeWindow() {
RECT r;
if (GetWindowRect(fHWnd, &r)) {
gWindowX = r.left;
gWindowY = r.top;
gWindowWidth = r.right - r.left;
gWindowHeight = r.bottom - r.top;
}
DestroyWindow(fHWnd);
}
Window_win::~Window_win() {
this->closeWindow();
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
bool Window_win::init(HINSTANCE hInstance) {
fHInstance = hInstance ? hInstance : GetModuleHandle(nullptr);
// The main window class name
static const TCHAR gSZWindowClass[] = _T("SkiaApp");
static WNDCLASSEX wcex;
static bool wcexInit = false;
if (!wcexInit) {
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = fHInstance;
wcex.hIcon = LoadIcon(fHInstance, (LPCTSTR)IDI_WINLOGO);
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wcex.lpszMenuName = nullptr;
wcex.lpszClassName = gSZWindowClass;
wcex.hIconSm = LoadIcon(fHInstance, (LPCTSTR)IDI_WINLOGO);
if (!RegisterClassEx(&wcex)) {
return false;
}
wcexInit = true;
}
/*
if (fullscreen)
{
DEVMODE dmScreenSettings;
// If full screen set the screen to maximum size of the users desktop and 32bit.
memset(&dmScreenSettings, 0, sizeof(dmScreenSettings));
dmScreenSettings.dmSize = sizeof(dmScreenSettings);
dmScreenSettings.dmPelsWidth = (unsigned long)width;
dmScreenSettings.dmPelsHeight = (unsigned long)height;
dmScreenSettings.dmBitsPerPel = 32;
dmScreenSettings.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
// Change the display settings to full screen.
ChangeDisplaySettings(&dmScreenSettings, CDS_FULLSCREEN);
// Set the position of the window to the top left corner.
posX = posY = 0;
}
*/
// gIsFullscreen = fullscreen;
fHWnd = CreateWindow(gSZWindowClass, nullptr, WS_OVERLAPPEDWINDOW,
gWindowX, gWindowY, gWindowWidth, gWindowHeight,
nullptr, nullptr, fHInstance, nullptr);
if (!fHWnd)
{
return false;
}
SetWindowLongPtr(fHWnd, GWLP_USERDATA, (LONG_PTR)this);
RegisterTouchWindow(fHWnd, 0);
return true;
}
static skui::Key get_key(WPARAM vk) {
static const struct {
WPARAM fVK;
skui::Key fKey;
} gPair[] = {
{ VK_BACK, skui::Key::kBack },
{ VK_CLEAR, skui::Key::kBack },
{ VK_RETURN, skui::Key::kOK },
{ VK_UP, skui::Key::kUp },
{ VK_DOWN, skui::Key::kDown },
{ VK_LEFT, skui::Key::kLeft },
{ VK_RIGHT, skui::Key::kRight },
{ VK_TAB, skui::Key::kTab },
{ VK_PRIOR, skui::Key::kPageUp },
{ VK_NEXT, skui::Key::kPageDown },
{ VK_HOME, skui::Key::kHome },
{ VK_END, skui::Key::kEnd },
{ VK_DELETE, skui::Key::kDelete },
{ VK_ESCAPE, skui::Key::kEscape },
{ VK_SHIFT, skui::Key::kShift },
{ VK_CONTROL, skui::Key::kCtrl },
{ VK_MENU, skui::Key::kOption },
{ 'A', skui::Key::kA },
{ 'C', skui::Key::kC },
{ 'V', skui::Key::kV },
{ 'X', skui::Key::kX },
{ 'Y', skui::Key::kY },
{ 'Z', skui::Key::kZ },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gPair); i++) {
if (gPair[i].fVK == vk) {
return gPair[i].fKey;
}
}
return skui::Key::kNONE;
}
static skui::ModifierKey get_modifiers(UINT message, WPARAM wParam, LPARAM lParam) {
skui::ModifierKey modifiers = skui::ModifierKey::kNone;
switch (message) {
case WM_UNICHAR:
case WM_CHAR:
if (0 == (lParam & (1 << 30))) {
modifiers |= skui::ModifierKey::kFirstPress;
}
if (lParam & (1 << 29)) {
modifiers |= skui::ModifierKey::kOption;
}
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
if (0 == (lParam & (1 << 30))) {
modifiers |= skui::ModifierKey::kFirstPress;
}
if (lParam & (1 << 29)) {
modifiers |= skui::ModifierKey::kOption;
}
break;
case WM_KEYUP:
case WM_SYSKEYUP:
if (lParam & (1 << 29)) {
modifiers |= skui::ModifierKey::kOption;
}
break;
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_MOUSEMOVE:
case WM_MOUSEWHEEL:
if (wParam & MK_CONTROL) {
modifiers |= skui::ModifierKey::kControl;
}
if (wParam & MK_SHIFT) {
modifiers |= skui::ModifierKey::kShift;
}
break;
}
return modifiers;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
HDC hdc;
Window_win* window = (Window_win*) GetWindowLongPtr(hWnd, GWLP_USERDATA);
bool eventHandled = false;
switch (message) {
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
window->onPaint();
EndPaint(hWnd, &ps);
eventHandled = true;
break;
case WM_CLOSE:
PostQuitMessage(0);
eventHandled = true;
break;
case WM_ACTIVATE:
// disable/enable rendering here, depending on wParam != WA_INACTIVE
break;
case WM_SIZE:
window->onResize(LOWORD(lParam), HIWORD(lParam));
eventHandled = true;
break;
case WM_UNICHAR:
eventHandled = window->onChar((SkUnichar)wParam,
get_modifiers(message, wParam, lParam));
break;
case WM_CHAR: {
const uint16_t* c = reinterpret_cast<uint16_t*>(&wParam);
eventHandled = window->onChar(SkUTF16_NextUnichar(&c),
get_modifiers(message, wParam, lParam));
} break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
eventHandled = window->onKey(get_key(wParam), skui::InputState::kDown,
get_modifiers(message, wParam, lParam));
break;
case WM_KEYUP:
case WM_SYSKEYUP:
eventHandled = window->onKey(get_key(wParam), skui::InputState::kUp,
get_modifiers(message, wParam, lParam));
break;
case WM_LBUTTONDOWN:
case WM_LBUTTONUP: {
int xPos = GET_X_LPARAM(lParam);
int yPos = GET_Y_LPARAM(lParam);
//if (!gIsFullscreen)
//{
// RECT rc = { 0, 0, 640, 480 };
// AdjustWindowRect(&rc, WS_OVERLAPPEDWINDOW, FALSE);
// xPos -= rc.left;
// yPos -= rc.top;
//}
skui::InputState istate = ((wParam & MK_LBUTTON) != 0) ? skui::InputState::kDown
: skui::InputState::kUp;
eventHandled = window->onMouse(xPos, yPos, istate,
get_modifiers(message, wParam, lParam));
} break;
case WM_MOUSEMOVE: {
int xPos = GET_X_LPARAM(lParam);
int yPos = GET_Y_LPARAM(lParam);
//if (!gIsFullscreen)
//{
// RECT rc = { 0, 0, 640, 480 };
// AdjustWindowRect(&rc, WS_OVERLAPPEDWINDOW, FALSE);
// xPos -= rc.left;
// yPos -= rc.top;
//}
eventHandled = window->onMouse(xPos, yPos, skui::InputState::kMove,
get_modifiers(message, wParam, lParam));
} break;
case WM_MOUSEWHEEL:
eventHandled = window->onMouseWheel(GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f,
get_modifiers(message, wParam, lParam));
break;
case WM_TOUCH: {
uint16_t numInputs = LOWORD(wParam);
std::unique_ptr<TOUCHINPUT[]> inputs(new TOUCHINPUT[numInputs]);
if (GetTouchInputInfo((HTOUCHINPUT)lParam, numInputs, inputs.get(),
sizeof(TOUCHINPUT))) {
POINT topLeft = {0, 0};
ClientToScreen(hWnd, &topLeft);
for (uint16_t i = 0; i < numInputs; ++i) {
TOUCHINPUT ti = inputs[i];
skui::InputState state;
if (ti.dwFlags & TOUCHEVENTF_DOWN) {
state = skui::InputState::kDown;
} else if (ti.dwFlags & TOUCHEVENTF_MOVE) {
state = skui::InputState::kMove;
} else if (ti.dwFlags & TOUCHEVENTF_UP) {
state = skui::InputState::kUp;
} else {
continue;
}
// TOUCHINPUT coordinates are in 100ths of pixels
// Adjust for that, and make them window relative
LONG tx = (ti.x / 100) - topLeft.x;
LONG ty = (ti.y / 100) - topLeft.y;
eventHandled = window->onTouch(ti.dwID, state, tx, ty) || eventHandled;
}
}
} break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return eventHandled ? 0 : 1;
}
void Window_win::setTitle(const char* title) {
SetWindowTextA(fHWnd, title);
}
void Window_win::show() {
ShowWindow(fHWnd, SW_SHOW);
}
bool Window_win::attach(BackendType attachType) {
fBackend = attachType;
switch (attachType) {
#ifdef SK_GL
case kNativeGL_BackendType:
fWindowContext = window_context_factory::MakeGLForWin(fHWnd, fRequestedDisplayParams);
break;
#endif
#if SK_ANGLE
case kANGLE_BackendType:
fWindowContext =
window_context_factory::MakeANGLEForWin(fHWnd, fRequestedDisplayParams);
break;
#endif
#ifdef SK_DAWN
case kDawn_BackendType:
fWindowContext =
window_context_factory::MakeDawnD3D12ForWin(fHWnd, fRequestedDisplayParams);
break;
#endif
case kRaster_BackendType:
fWindowContext =
window_context_factory::MakeRasterForWin(fHWnd, fRequestedDisplayParams);
break;
#ifdef SK_VULKAN
case kVulkan_BackendType:
fWindowContext =
window_context_factory::MakeVulkanForWin(fHWnd, fRequestedDisplayParams);
break;
#endif
}
this->onBackendCreated();
return (SkToBool(fWindowContext));
}
void Window_win::onInval() {
InvalidateRect(fHWnd, nullptr, false);
}
void Window_win::setRequestedDisplayParams(const DisplayParams& params, bool allowReattach) {
// GL on Windows doesn't let us change MSAA after the window is created
if (params.fMSAASampleCount != this->getRequestedDisplayParams().fMSAASampleCount
&& allowReattach) {
// Need to change these early, so attach() creates the window context correctly
fRequestedDisplayParams = params;
fWindowContext = nullptr;
this->closeWindow();
this->init(fHInstance);
this->attach(fBackend);
}
INHERITED::setRequestedDisplayParams(params, allowReattach);
}
} // namespace sk_app