/* * Copyright (C) 2007-2009 Gabest * http://www.gabest.org * * This Program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This Program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Make; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * http://www.gnu.org/copyleft/gpl.html * */ #include "stdafx.h" #include "GSDeviceSDL.h" GSDeviceSDL::GSDeviceSDL() : m_init(false) , m_window(NULL) , m_renderer(NULL) , m_texture(NULL) { } GSDeviceSDL::~GSDeviceSDL() { if(m_texture != NULL) { SDL_DestroyTexture(m_texture); } if(m_renderer != NULL) { SDL_DestroyRenderer(m_renderer); } if(m_window != NULL) { SDL_DestroyWindow(m_window); } if(m_init) { SDL_Quit(); } } bool GSDeviceSDL::Create(GSWnd* wnd) { if(!SDL_WasInit(SDL_INIT_VIDEO)) { if(SDL_Init(SDL_INIT_VIDEO) < 0) // ok here? { return false; } m_init = true; } #if 1 //def _WINDOWS m_window = SDL_CreateWindowFrom(wnd->GetHandle()); #else // TODO: linux sould use wnd->GetHandle() too m_window = SDL_CreateWindow("GSdx", 0, 0, 640, 480, SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE); #endif if(m_window == NULL) { return false; } return GSDeviceSW::Create(wnd); } bool GSDeviceSDL::Reset(int w, int h) { if(!GSDeviceSW::Reset(w, h)) { return false; } delete m_backbuffer; m_backbuffer = new GSDummyTexture(w, h); if(m_texture != NULL) { SDL_DestroyTexture(m_texture); m_texture = NULL; } if(m_renderer != NULL) { SDL_DestroyRenderer(m_renderer); m_renderer = NULL; } m_renderer = SDL_CreateRenderer(m_window, -1, SDL_RENDERER_ACCELERATED); // SDL_RENDERER_PRESENTVSYNC return m_renderer != NULL; } void GSDeviceSDL::Present(GSTexture* st, GSTexture* dt, const GSVector4& dr, int shader) { ASSERT(dt == m_backbuffer); // ignore m_backbuffer GSVector2i size = st->GetSize(); if(m_texture != NULL) { Uint32 format; int access; int w, h; if(SDL_QueryTexture(m_texture, &format, &access, &w, &h) < 0) { return; } if(w != size.x || h != size.y) { SDL_DestroyTexture(m_texture); m_texture = NULL; } } if(m_texture == NULL) { m_texture = SDL_CreateTexture(m_renderer, SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STREAMING, size.x, size.y); } if(m_texture == NULL) { return; } GSTexture::GSMap sm, dm; if(SDL_LockTexture(m_texture, NULL, (void**)&dm.bits, &dm.pitch) == 0) { if(st->Map(sm, NULL)) { GSVector2i s = st->GetSize(); for(int j = s.y; j > 0; j--, sm.bits += sm.pitch, dm.bits += dm.pitch) { memcpy(dm.bits, sm.bits, s.x * 4); } st->Unmap(); } SDL_UnlockTexture(m_texture); } GSVector4i dri(dr); SDL_Rect r; r.x = dri.left; r.y = dri.top; r.w = dri.width(); r.h = dri.height(); SDL_RenderClear(m_renderer); SDL_RenderCopy(m_renderer, m_texture, NULL, &r); } void GSDeviceSDL::Flip() { SDL_RenderPresent(m_renderer); }