189 lines
5.1 KiB
C++
Executable File
189 lines
5.1 KiB
C++
Executable File
/**************************************************************************
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*
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* Copyright 2010 Luca Barbieri
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#define INITGUID
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#include "d3d10app.h"
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#include "stdio.h"
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static d3d10_application* app;
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static IDXGISwapChain* swap_chain;
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static unsigned width, height;
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static DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM;
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static ID3D10Device* dev;
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static ID3D10Device* ctx;
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static int frames = 0;
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static int buffer_count = 1;
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LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch (message)
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{
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case WM_SIZE:
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width = lParam & 0xffff;
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height = lParam >> 16;
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swap_chain->ResizeBuffers(buffer_count, width, height, format, 0);
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frames = 0;
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hwnd, message, wParam, lParam);
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}
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return 0;
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}
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int main(int argc, char** argv)
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{
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HINSTANCE hInstance = GetModuleHandle(NULL);
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WNDCLASSEXA wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = hInstance;
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wcex.hIcon = 0;
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wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wcex.lpszMenuName = 0;
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wcex.lpszClassName = "d3d10";
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wcex.hIconSm = 0;
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RegisterClassExA(&wcex);
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HWND hwnd = CreateWindowA("d3d10", "d3d10", WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
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if(!hwnd)
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return FALSE;
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RECT rc;
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GetClientRect(hwnd, &rc );
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width = rc.right - rc.left;
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height = rc.bottom - rc.top;
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DXGI_SWAP_CHAIN_DESC swap_chain_desc;
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memset(&swap_chain_desc, 0, sizeof(swap_chain_desc));
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swap_chain_desc.BufferDesc.Width = width;
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swap_chain_desc.BufferDesc.Height = height;
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swap_chain_desc.BufferDesc.Format = format;
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swap_chain_desc.SampleDesc.Count = 1;
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swap_chain_desc.SampleDesc.Quality = 0;
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swap_chain_desc.OutputWindow = hwnd;
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swap_chain_desc.Windowed = TRUE;
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swap_chain_desc.BufferCount = buffer_count;
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swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
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swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
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swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
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D3D10_FEATURE_LEVEL1 feature_level = D3D10_FEATURE_LEVEL_10_0;
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HRESULT hr;
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if(1)
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{
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hr = D3D10CreateDeviceAndSwapChain(
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NULL,
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D3D10_DRIVER_TYPE_HARDWARE,
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NULL,
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D3D10_CREATE_DEVICE_SINGLETHREADED, // | D3D10_CREATE_DEVICE_DEBUG,
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D3D10_SDK_VERSION,
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&swap_chain_desc,
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&swap_chain,
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&dev);
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}
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else
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{
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hr = D3D10CreateDeviceAndSwapChain1(
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NULL,
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D3D10_DRIVER_TYPE_HARDWARE,
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NULL,
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D3D10_CREATE_DEVICE_SINGLETHREADED, // | D3D10_CREATE_DEVICE_DEBUG,
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feature_level,
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D3D10_SDK_VERSION,
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&swap_chain_desc,
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&swap_chain,
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(ID3D10Device1**)&dev);
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}
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if(!SUCCEEDED(hr))
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{
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fprintf(stderr, "Failed to create D3D10 device (hresult %08x)\n", hr);
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return 1;
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}
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ctx = dev;
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app = d3d10_application_create();
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if(!app->init(dev, argc, argv))
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return 1;
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ShowWindow(hwnd, SW_SHOWDEFAULT);
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UpdateWindow(hwnd);
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LARGE_INTEGER freq;
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QueryPerformanceFrequency(&freq);
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double period = 1.0 / (double)freq.QuadPart;
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LARGE_INTEGER ctime_li;
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QueryPerformanceCounter(&ctime_li);
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double start_time = ctime_li.QuadPart * period;
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MSG msg;
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for(;;)
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{
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if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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if(msg.message == WM_QUIT)
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break;
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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else if(width && height)
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{
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ID3D10Texture2D* tex;
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static ID3D10RenderTargetView* rtv;
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ensure(swap_chain->GetBuffer(0, __uuidof(tex), (void**)&tex));
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ensure(dev->CreateRenderTargetView(tex, NULL, &rtv));
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QueryPerformanceCounter(&ctime_li);
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double ctime = (double)ctime_li.QuadPart * period - start_time;
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app->draw(ctx, rtv, width, height, ctime);
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ctx->OMSetRenderTargets(0, 0, 0);
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swap_chain->Present(0, 0);
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rtv->Release();
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tex->Release();
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}
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else
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WaitMessage();
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}
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return (int) msg.wParam;
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}
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