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#include <d3d9.h>
#include "../test_utils.h"
using namespace dxvk;
struct Extent2D {
uint32_t w, h;
};
class ClearApp {
public:
ClearApp(HINSTANCE instance, HWND window)
: m_window(window) {
HRESULT status = Direct3DCreate9Ex(D3D_SDK_VERSION, &m_d3d);
if (FAILED(status))
throw DxvkError("Failed to create D3D9 interface");
D3DPRESENT_PARAMETERS params;
getPresentParams(params);
status = m_d3d->CreateDeviceEx(
D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL,
m_window,
D3DCREATE_HARDWARE_VERTEXPROCESSING,
¶ms,
nullptr,
&m_device);
if (FAILED(status))
throw DxvkError("Failed to create D3D9 device");
}
void run() {
this->adjustBackBuffer();
m_device->BeginScene();
m_device->Clear(
0,
nullptr,
D3DCLEAR_TARGET,
D3DCOLOR_RGBA(255, 0, 0, 0),
0.0f,
0);
m_device->EndScene();
m_device->PresentEx(
nullptr,
nullptr,
nullptr,
nullptr,
0);
}
void adjustBackBuffer() {
RECT windowRect = { 0, 0, 1024, 600 };
GetClientRect(m_window, &windowRect);
Extent2D newSize = {
static_cast<uint32_t>(windowRect.right - windowRect.left),
static_cast<uint32_t>(windowRect.bottom - windowRect.top),
};
if (m_windowSize.w != newSize.w
|| m_windowSize.h != newSize.h) {
m_windowSize = newSize;
D3DPRESENT_PARAMETERS params;
getPresentParams(params);
HRESULT status = m_device->ResetEx(¶ms, nullptr);
if (FAILED(status))
throw DxvkError("Device reset failed");
}
}
void getPresentParams(D3DPRESENT_PARAMETERS& params) {
params.AutoDepthStencilFormat = D3DFMT_UNKNOWN;
params.BackBufferCount = 1;
params.BackBufferFormat = D3DFMT_X8R8G8B8;
params.BackBufferWidth = m_windowSize.w;
params.BackBufferHeight = m_windowSize.h;
params.EnableAutoDepthStencil = FALSE;
params.Flags = 0;
params.FullScreen_RefreshRateInHz = 0;
params.hDeviceWindow = m_window;
params.MultiSampleQuality = 0;
params.MultiSampleType = D3DMULTISAMPLE_NONE;
params.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
params.SwapEffect = D3DSWAPEFFECT_DISCARD;
params.Windowed = TRUE;
}
private:
HWND m_window;
Extent2D m_windowSize = { 1024, 600 };
Com<IDirect3D9Ex> m_d3d;
Com<IDirect3DDevice9Ex> m_device;
};
LRESULT CALLBACK WindowProc(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow) {
HWND hWnd;
WNDCLASSEXW wc;
ZeroMemory(&wc, sizeof(WNDCLASSEX));
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WindowProc;
wc.hInstance = hInstance;
wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
wc.lpszClassName = L"WindowClass1";
RegisterClassExW(&wc);
hWnd = CreateWindowExW(0,
L"WindowClass1",
L"Our First Windowed Program",
WS_OVERLAPPEDWINDOW,
300, 300,
640, 480,
nullptr,
nullptr,
hInstance,
nullptr);
ShowWindow(hWnd, nCmdShow);
MSG msg;
try {
ClearApp app(hInstance, hWnd);
while (true) {
if (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
if (msg.message == WM_QUIT)
return msg.wParam;
} else {
app.run();
}
}
} catch (const dxvk::DxvkError& e) {
std::cerr << e.message() << std::endl;
return msg.wParam;
}
}
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
switch (message) {
case WM_CLOSE:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
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