mirror of
https://github.com/DrBeef/Raze.git
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199 lines
4.4 KiB
C++
199 lines
4.4 KiB
C++
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#include <assert.h>
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#include "hardware.h"
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#include "engineerrors.h"
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#include <Windows.h>
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#ifdef HAVE_SOFTPOLY
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EXTERN_CVAR(Bool, vid_vsync)
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bool ViewportLinearScale();
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extern HWND Window;
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#include <d3d9.h>
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#pragma comment(lib, "d3d9.lib")
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#ifndef D3DPRESENT_FORCEIMMEDIATE
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#define D3DPRESENT_FORCEIMMEDIATE 0x00000100L // MinGW
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#endif
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namespace
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{
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int SrcWidth = 0;
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int SrcHeight = 0;
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int ClientWidth = 0;
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int ClientHeight = 0;
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bool CurrentVSync = false;
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IDirect3D9Ex *d3d9 = nullptr;
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IDirect3DDevice9Ex *device = nullptr;
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IDirect3DSurface9* surface = nullptr;
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}
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void I_PolyPresentInit()
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{
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Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9);
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if (!d3d9)
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{
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I_FatalError("Direct3DCreate9 failed");
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}
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RECT rect = {};
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GetClientRect(Window, &rect);
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ClientWidth = rect.right;
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ClientHeight = rect.bottom;
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D3DPRESENT_PARAMETERS pp = {};
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pp.Windowed = true;
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pp.SwapEffect = D3DSWAPEFFECT_FLIPEX;
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pp.BackBufferWidth = ClientWidth;
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pp.BackBufferHeight = ClientHeight;
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pp.BackBufferCount = 1;
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pp.hDeviceWindow = Window;
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pp.PresentationInterval = CurrentVSync ? D3DPRESENT_INTERVAL_DEFAULT : D3DPRESENT_INTERVAL_IMMEDIATE;
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HRESULT result = d3d9->CreateDeviceEx(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, Window, D3DCREATE_HARDWARE_VERTEXPROCESSING, &pp, nullptr, &device);
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if (FAILED(result))
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{
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I_FatalError("IDirect3D9.CreateDevice failed");
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}
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}
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uint8_t *I_PolyPresentLock(int w, int h, bool vsync, int &pitch)
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{
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HRESULT result;
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RECT rect = {};
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GetClientRect(Window, &rect);
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if (rect.right != ClientWidth || rect.bottom != ClientHeight || CurrentVSync != vsync)
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{
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if (surface)
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{
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surface->Release();
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surface = nullptr;
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}
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CurrentVSync = vsync;
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ClientWidth = rect.right;
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ClientHeight = rect.bottom;
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D3DPRESENT_PARAMETERS pp = {};
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pp.Windowed = true;
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pp.SwapEffect = D3DSWAPEFFECT_FLIPEX;
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pp.BackBufferWidth = ClientWidth;
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pp.BackBufferHeight = ClientHeight;
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pp.BackBufferCount = 1;
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pp.hDeviceWindow = Window;
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pp.PresentationInterval = CurrentVSync ? D3DPRESENT_INTERVAL_DEFAULT : D3DPRESENT_INTERVAL_IMMEDIATE;
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device->Reset(&pp);
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}
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if (SrcWidth != w || SrcHeight != h || !surface)
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{
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if (surface)
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{
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surface->Release();
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surface = nullptr;
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}
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SrcWidth = w;
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SrcHeight = h;
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result = device->CreateOffscreenPlainSurface(SrcWidth, SrcHeight, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &surface, 0);
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if (FAILED(result))
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{
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I_FatalError("IDirect3DDevice9.CreateOffscreenPlainSurface failed");
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}
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}
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D3DLOCKED_RECT lockrect = {};
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result = surface->LockRect(&lockrect, nullptr, D3DLOCK_DISCARD);
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if (FAILED(result))
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{
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pitch = 0;
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return nullptr;
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}
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pitch = lockrect.Pitch;
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return (uint8_t*)lockrect.pBits;
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}
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void I_PolyPresentUnlock(int x, int y, int width, int height)
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{
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surface->UnlockRect();
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IDirect3DSurface9 *backbuffer = nullptr;
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HRESULT result = device->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO, &backbuffer);
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if (FAILED(result))
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return;
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result = device->BeginScene();
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if (SUCCEEDED(result))
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{
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int count = 0;
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D3DRECT clearrects[4];
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if (y > 0)
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{
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clearrects[count].x1 = 0;
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clearrects[count].y1 = 0;
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clearrects[count].x2 = ClientWidth;
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clearrects[count].y2 = y;
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count++;
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}
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if (y + height < ClientHeight)
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{
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clearrects[count].x1 = 0;
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clearrects[count].y1 = y + height;
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clearrects[count].x2 = ClientWidth;
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clearrects[count].y2 = ClientHeight;
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count++;
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}
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if (x > 0)
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{
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clearrects[count].x1 = 0;
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clearrects[count].y1 = y;
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clearrects[count].x2 = x;
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clearrects[count].y2 = y + height;
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count++;
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}
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if (x + width < ClientWidth)
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{
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clearrects[count].x1 = x + width;
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clearrects[count].y1 = y;
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clearrects[count].x2 = ClientWidth;
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clearrects[count].y2 = y + height;
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count++;
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}
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if (count > 0)
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device->Clear(count, clearrects, D3DCLEAR_TARGET, 0, 0.0f, 0);
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RECT srcrect = {}, dstrect = {};
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srcrect.right = SrcWidth;
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srcrect.bottom = SrcHeight;
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dstrect.left = x;
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dstrect.top = y;
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dstrect.right = x + width;
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dstrect.bottom = y + height;
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if (ViewportLinearScale())
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device->StretchRect(surface, &srcrect, backbuffer, &dstrect, D3DTEXF_LINEAR);
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else
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device->StretchRect(surface, &srcrect, backbuffer, &dstrect, D3DTEXF_POINT);
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result = device->EndScene();
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if (SUCCEEDED(result))
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device->PresentEx(nullptr, nullptr, 0, nullptr, CurrentVSync ? 0 : D3DPRESENT_FORCEIMMEDIATE);
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}
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backbuffer->Release();
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}
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void I_PolyPresentDeinit()
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{
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if (surface) surface->Release();
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if (device) device->Release();
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if (d3d9) d3d9->Release();
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}
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#endif
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