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270#include "Device_dx.h"
#include "Window.h"
#include "ge.h"
#include "Image_dx.h"
#include "Console.h"
GE_NAMESPACE;
LPDirectx Device_dx::g_pD3D = Direct3DCreate9(D3D_SDK_VERSION);
D3DDISPLAYMODE Device_dx::d3ddm = ([](LPDirectx g_pD3D) -> D3DDISPLAYMODE {
D3DDISPLAYMODE d3ddm; //D3D显示模式结构体
ZeroMemory(&d3ddm, sizeof(d3ddm));
g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm);
return d3ddm;
})(g_pD3D);
Device_dx::Device_dx(Window* wnd) : wnd(wnd)
{
ZeroMemory(&d3dpp, sizeof(d3dpp));
//dx相关的线程
thDevice = new thread(&Device_dx::thDeviceFn, this);
wnDevice.wait();
connect(&SGE::exited, this, (ObjFn)&Device_dx::gloDestroy);
}
Device_dx::~Device_dx() {
setNeedExitThDevice(true);
wnDevice.notify();
thDevice->join();
SafeRelease(g_pWindowSurface);
SafeRelease(g_pRenderSurface);
SafeRelease(g_pRenderTexture);
SafeRelease(g_pSprite);
SafeRelease(g_pSpriteRender);
SafeRelease(g_pDevice);
}
void Device_dx::gloDestroy() {
g_pD3D->Release();
disconnectAll(&SGE::exited, (ObjFn)&Device_dx::gloDestroy);
}
void Device_dx::begin() {
g_pSprite->End();
g_pDevice->Clear(0, nullptr, D3DCLEAR_TARGET, backgroundColor, 1.0f, 0); //用bgColor填充
g_pSprite->Begin(D3DXSPRITE_ALPHABLEND);
}
void Device_dx::end() {
g_pSprite->End(); //结束Sprite的绘制
g_pDevice->SetRenderTarget(0, g_pWindowSurface);
g_pDevice->BeginScene(); //获取绘制权限
g_pSpriteRender->Begin(0);
g_pSpriteRender->Draw(g_pRenderTexture, nullptr, &D3DXVECTOR3(0, 0, 0), &D3DXVECTOR3(0, 0, 0), globalBlend);//将纹理绘制到窗口
g_pSpriteRender->End();
g_pDevice->EndScene(); //结束绘制
HRESULT hr = g_pDevice->Present(nullptr, nullptr, 0, nullptr); //前后台缓冲区交换
if (FAILED(hr) && !wnd->getClosed()) {
resetDevice();
return;
}
g_pDevice->SetRenderTarget(0, g_pRenderSurface);
g_pSprite->Begin(D3DXSPRITE_ALPHABLEND); //开始Sprite的绘制
}
void Device_dx::forceResetDevice() {
setNeedForceReset(true);
resetDevice();
}
void Device_dx::resetDevice() {
setIsResettingDevice(true);
wnDevice.notify();
}
void Device_dx::updateScale() {
D3DXMATRIX g_scale;
D3DXMatrixTransformation2D(
&g_scale, //返回的矩阵
&D3DXVECTOR2(0, 0), //缩放的中心
0.0f, //影响缩放的因素
&D3DXVECTOR2((float)d3dpp.BackBufferWidth / wnd->clientSize.width, (float)d3dpp.BackBufferHeight / wnd->clientSize.height), //缩放
nullptr, //旋转中心
0, //旋转弧度
nullptr //平移量
);
g_pSpriteRender->SetTransform(&g_scale);
D3DXMatrixIdentity(&g_scale);
}
void Device_dx::drawImage(const Image_dx& image, const PointF& pos, D3DCOLOR blendColor) {
checkRenderType(RenderType::Sprite);
g_pSprite->Draw(image.g_pTexture, nullptr, nullptr, &D3DXVECTOR3(pos.x, pos.y, 0), blendColor);
}
void Device_dx::drawRect(int x, int y, int w, int h, DWORD col) {
drawRect(mkRect(x, y, w, h), col, col, col, col);
}
void Device_dx::drawRect(int x, int y, int w, int h, DWORD col1, DWORD col2, DWORD col3, DWORD col4) {
drawRect(mkRect(x, y, w, h), col1, col2, col3, col4);
}
void Device_dx::drawRect(RECT rect, DWORD col) {
drawRect(rect, col, col, col, col);
}
void Device_dx::drawRect(RECT rect, DWORD col1, DWORD col2, DWORD col3, DWORD col4) {
checkRenderType(RenderType::Device);
Vertex* vertexs;
vbRectangle->Lock(0, 0, (void**)&vertexs, 0);
vertexs[0] = Vertex{ (float)rect.left, (float)rect.top, 0.0f, 1.0f, col1 };
vertexs[1] = Vertex{ (float)rect.right, (float)rect.top, 0.0f, 1.0f, col2 };
vertexs[2] = Vertex{ (float)rect.right, (float)rect.bottom, 0.0f, 1.0f, col3 };
vertexs[3] = Vertex{ (float)rect.left, (float)rect.bottom, 0.0f, 1.0f, col4 };
vbRectangle->Unlock();
g_pDevice->SetFVF(D3DFVF_XYZRHW | D3DFVF_DIFFUSE);
g_pDevice->SetRenderState(D3DRS_SHADEMODE, D3DSHADE_GOURAUD);
g_pDevice->SetStreamSource(0, vbRectangle, 0, sizeof(Vertex));
g_pDevice->SetIndices(ibRectangle);
g_pDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0, 4, 0, 2);
}
void Device_dx::drawBorder(int x, int y, int w, int h, int size, DWORD col) {
//左侧
drawRect(x, y, size, h, col);
//右侧
drawRect(x + w - size, y, size, h, col);
//顶部
drawRect(x + size, y, w - 2 * size, size, col);
//底部
drawRect(x + size, y + h - size, w - 2 * size, size, col);
}
void Device_dx::checkRenderType(RenderType rt) {
if (rt != renderType) {
if (renderType == RenderType::Sprite && rt == RenderType::Device) {
g_pSprite->End();
g_pSprite->Begin(D3DXSPRITE_ALPHABLEND);
}
renderType = rt;
}
}
void Device_dx::updatePresentParameters() {
d3dpp.BackBufferCount = 1;
d3dpp.Windowed = TRUE;
d3dpp.BackBufferWidth = wnd->clientSize.width;
d3dpp.BackBufferHeight = wnd->clientSize.height;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; //翻转效果：抛弃
}
void Device_dx::thDeviceFn() {
//设备属性
updatePresentParameters();
//创建设备指针
g_pD3D->CreateDevice(
D3DADAPTER_DEFAULT, //默认显卡
D3DDEVTYPE_HAL, //硬件抽象层
wnd->g_hWnd, //所依附的窗口（要改造的窗口）
D3DCREATE_SOFTWARE_VERTEXPROCESSING, //顶点软件处理模式
&d3dpp, //设备的能力
&g_pDevice //返回的设备指针
);
//创建Sprite
D3DXCreateSprite(g_pDevice, &g_pSprite);
D3DXCreateSprite(g_pDevice, &g_pSpriteRender);
//渲染到纹理 相关
onResetDevice_RenderTexture();
//初始化顶点
g_pDevice->CreateVertexBuffer(4 * sizeof(Vertex), 0, D3DFVF_XYZRHW | D3DFVF_DIFFUSE,
D3DPOOL_MANAGED, &vbRectangle, nullptr);
g_pDevice->CreateIndexBuffer(6 * sizeof(WORD), D3DUSAGE_WRITEONLY,
D3DFMT_INDEX16, D3DPOOL_MANAGED, &ibRectangle, 0);
WORD* index = nullptr;
ibRectangle->Lock(0, 0, (void**)&index, 0);
index[0] = 0;
index[1] = 1;
index[2] = 2;
index[3] = 0;
index[4] = 2;
index[5] = 3;
ibRectangle->Unlock();
//让主线程继续执行
wnDevice.notify();
//循环直到需要退出
while (true) {
wnDevice.wait();
if (getNeedExitThDevice())
break;
//检查设备状态
HRESULT hr = g_pDevice->TestCooperativeLevel();
//设备能被Reset
if (hr == D3DERR_DEVICENOTRESET || getNeedForceReset()) {
setNeedForceReset(false);
Counter counter;
counter.start();
//double startTime = counter.getTime();
onLostDevice();
HRESULT hr = g_pDevice->Reset(&d3dpp);
if (SUCCEEDED(hr)) {
onResetDevice();
cout << "Info : Succeeded in Resetting D3DDevice" << endl;
}
else {
SGE::msgBox(_T("Error: Cannot Reset D3DDevice"));
cout << "Error: Cannot Reset D3DDevice" << endl;
//throw Error(Error::ER_RESETFAILED, _T("Error: Cannot Reset D3DDevice"));
}
}
else if (hr == D3DERR_DEVICELOST) {
Sleep(25);
}
setIsResettingDevice(false);
}
}
void Device_dx::onLostDevice() {
EMIT(&releasingDevice);
onLostDevice_RenderTexture();
g_pSprite->OnLostDevice();
g_pSpriteRender->OnLostDevice();
}
void Device_dx::onResetDevice() {
EMIT(&resettingDevice);
onResetDevice_RenderTexture();
g_pSprite->OnResetDevice();
g_pSpriteRender->OnResetDevice();
}
void Device_dx::onLostDevice_RenderTexture() {
SafeRelease(g_pRenderSurface);
SafeRelease(g_pRenderTexture);
SafeRelease(g_pWindowSurface);
}
void Device_dx::onResetDevice_RenderTexture() {
//创建用于渲染到纹理的Texture和Surface
g_pDevice->CreateTexture(
wnd->clientSize.width, wnd->clientSize.height, 1,
D3DUSAGE_RENDERTARGET, D3DFMT_R5G6B5, D3DPOOL_DEFAULT, &g_pRenderTexture, NULL
);
g_pRenderTexture->GetSurfaceLevel(0, &g_pRenderSurface);
//得到设备的Surface
g_pDevice->GetRenderTarget(0, &g_pWindowSurface);
g_pDevice->SetRenderTarget(0, g_pRenderSurface);
}