From 50d872531aae6640f57da98e8dcf6dbae1f9cd82 Mon Sep 17 00:00:00 2001 From: Magnus Auvinen Date: Tue, 3 Jan 2012 21:39:10 +0100 Subject: [PATCH] cleaned up the code. fixed so that SDL is inited on main thread and then transfers the gl context to the render thread --- src/engine/client/backend_sdl.cpp | 495 ++++++++++++++++++++++ src/engine/client/backend_sdl.h | 180 ++++++++ src/engine/client/client.cpp | 23 +- src/engine/client/graphics.cpp | 12 +- src/engine/client/graphics.h | 4 +- src/engine/client/graphics_threaded.cpp | 539 ++---------------------- src/engine/client/graphics_threaded.h | 88 ++-- src/engine/client/sound.cpp | 7 + src/engine/graphics.h | 2 +- 9 files changed, 772 insertions(+), 578 deletions(-) create mode 100644 src/engine/client/backend_sdl.cpp create mode 100644 src/engine/client/backend_sdl.h diff --git a/src/engine/client/backend_sdl.cpp b/src/engine/client/backend_sdl.cpp new file mode 100644 index 000000000..691d193ca --- /dev/null +++ b/src/engine/client/backend_sdl.cpp @@ -0,0 +1,495 @@ + +#include "SDL.h" +#include "SDL_opengl.h" + +#include "graphics_threaded.h" +#include "backend_sdl.h" + +// ------------ CGraphicsBackend_Threaded + +void CGraphicsBackend_Threaded::ThreadFunc(void *pUser) +{ + CGraphicsBackend_Threaded *pThis = (CGraphicsBackend_Threaded *)pUser; + + while(!pThis->m_Shutdown) + { + pThis->m_Activity.wait(); + if(pThis->m_pBuffer) + { + pThis->m_pProcessor->RunBuffer(pThis->m_pBuffer); + sync_barrier(); + pThis->m_pBuffer = 0x0; + pThis->m_BufferDone.signal(); + } + } +} + +CGraphicsBackend_Threaded::CGraphicsBackend_Threaded() +{ + m_pBuffer = 0x0; + m_pProcessor = 0x0; + m_pThread = 0x0; +} + +void CGraphicsBackend_Threaded::StartProcessor(ICommandProcessor *pProcessor) +{ + m_Shutdown = false; + m_pProcessor = pProcessor; + m_pThread = thread_create(ThreadFunc, this); + m_BufferDone.signal(); +} + +void CGraphicsBackend_Threaded::StopProcessor() +{ + m_Shutdown = true; + m_Activity.signal(); + thread_wait(m_pThread); + thread_destroy(m_pThread); +} + +void CGraphicsBackend_Threaded::RunBuffer(CCommandBuffer *pBuffer) +{ + WaitForIdle(); + m_pBuffer = pBuffer; + m_Activity.signal(); +} + +bool CGraphicsBackend_Threaded::IsIdle() const +{ + return m_pBuffer == 0x0; +} + +void CGraphicsBackend_Threaded::WaitForIdle() +{ + while(m_pBuffer != 0x0) + m_BufferDone.wait(); +} + + +// ------------ CCommandProcessorFragment_General + +void CCommandProcessorFragment_General::Cmd_Signal(const CCommandBuffer::SCommand_Signal *pCommand) +{ + pCommand->m_pSemaphore->signal(); +} + +bool CCommandProcessorFragment_General::RunCommand(const CCommandBuffer::SCommand * pBaseCommand) +{ + switch(pBaseCommand->m_Cmd) + { + case CCommandBuffer::CMD_NOP: break; + case CCommandBuffer::CMD_SIGNAL: Cmd_Signal(static_cast(pBaseCommand)); break; + default: return false; + } + + return true; +} + +// ------------ CCommandProcessorFragment_OpenGL + +int CCommandProcessorFragment_OpenGL::TexFormatToOpenGLFormat(int TexFormat) +{ + if(TexFormat == CCommandBuffer::TEXFORMAT_RGB) return GL_RGB; + if(TexFormat == CCommandBuffer::TEXFORMAT_ALPHA) return GL_ALPHA; + if(TexFormat == CCommandBuffer::TEXFORMAT_RGBA) return GL_RGBA; + return GL_RGBA; +} + +void CCommandProcessorFragment_OpenGL::SetState(const CCommandBuffer::SState &State) +{ + // blend + switch(State.m_BlendMode) + { + case CCommandBuffer::BLEND_NONE: + glDisable(GL_BLEND); + break; + case CCommandBuffer::BLEND_ALPHA: + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + break; + case CCommandBuffer::BLEND_ADDITIVE: + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE); + break; + default: + dbg_msg("render", "unknown blendmode %d\n", State.m_BlendMode); + }; + + // clip + if(State.m_ClipEnable) + { + glScissor(State.m_ClipX, State.m_ClipY, State.m_ClipW, State.m_ClipH); + glEnable(GL_SCISSOR_TEST); + } + else + glDisable(GL_SCISSOR_TEST); + + // texture + if(State.m_Texture >= 0 && State.m_Texture < CCommandBuffer::MAX_TEXTURES) + { + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, m_aTextures[State.m_Texture]); + } + else + glDisable(GL_TEXTURE_2D); + + // screen mapping + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(State.m_ScreenTL.x, State.m_ScreenBR.x, State.m_ScreenBR.y, State.m_ScreenTL.y, 1.0f, 10.f); +} + +void CCommandProcessorFragment_OpenGL::Cmd_Texture_Update(const CCommandBuffer::SCommand_Texture_Update *pCommand) +{ + glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot]); + glTexSubImage2D(GL_TEXTURE_2D, 0, pCommand->m_X, pCommand->m_Y, pCommand->m_Width, pCommand->m_Height, + TexFormatToOpenGLFormat(pCommand->m_Format), GL_UNSIGNED_BYTE, pCommand->m_pData); + mem_free(pCommand->m_pData); +} + +void CCommandProcessorFragment_OpenGL::Cmd_Texture_Destroy(const CCommandBuffer::SCommand_Texture_Destroy *pCommand) +{ + glDeleteTextures(1, &m_aTextures[pCommand->m_Slot]); +} + +void CCommandProcessorFragment_OpenGL::Cmd_Texture_Create(const CCommandBuffer::SCommand_Texture_Create *pCommand) +{ + int Oglformat = TexFormatToOpenGLFormat(pCommand->m_Format); + int StoreOglformat = TexFormatToOpenGLFormat(pCommand->m_StoreFormat); + + glGenTextures(1, &m_aTextures[pCommand->m_Slot]); + glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot]); + + if(pCommand->m_Flags&CCommandBuffer::TEXFLAG_NOMIPMAPS) + { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexImage2D(GL_TEXTURE_2D, 0, StoreOglformat, pCommand->m_Width, pCommand->m_Height, 0, Oglformat, GL_UNSIGNED_BYTE, pCommand->m_pData); + } + else + { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); + gluBuild2DMipmaps(GL_TEXTURE_2D, StoreOglformat, pCommand->m_Width, pCommand->m_Height, Oglformat, GL_UNSIGNED_BYTE, pCommand->m_pData); + } + + mem_free(pCommand->m_pData); +} + +void CCommandProcessorFragment_OpenGL::Cmd_Clear(const CCommandBuffer::SCommand_Clear *pCommand) +{ + glClearColor(pCommand->m_Color.r, pCommand->m_Color.g, pCommand->m_Color.b, 0.0f); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); +} + +void CCommandProcessorFragment_OpenGL::Cmd_Render(const CCommandBuffer::SCommand_Render *pCommand) +{ + SetState(pCommand->m_State); + + glVertexPointer(3, GL_FLOAT, sizeof(CCommandBuffer::SVertex), (char*)pCommand->m_pVertices); + glTexCoordPointer(2, GL_FLOAT, sizeof(CCommandBuffer::SVertex), (char*)pCommand->m_pVertices + sizeof(float)*3); + glColorPointer(4, GL_FLOAT, sizeof(CCommandBuffer::SVertex), (char*)pCommand->m_pVertices + sizeof(float)*5); + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + + switch(pCommand->m_PrimType) + { + case CCommandBuffer::PRIMTYPE_QUADS: + glDrawArrays(GL_QUADS, 0, pCommand->m_PrimCount*4); + break; + case CCommandBuffer::PRIMTYPE_LINES: + glDrawArrays(GL_LINES, 0, pCommand->m_PrimCount*2); + break; + default: + dbg_msg("render", "unknown primtype %d\n", pCommand->m_Cmd); + }; +} + +void CCommandProcessorFragment_OpenGL::Cmd_Screenshot(const CCommandBuffer::SCommand_Screenshot *pCommand) +{ + // fetch image data + GLint aViewport[4] = {0,0,0,0}; + glGetIntegerv(GL_VIEWPORT, aViewport); + + int w = aViewport[2]; + int h = aViewport[3]; + + // we allocate one more row to use when we are flipping the texture + unsigned char *pPixelData = (unsigned char *)mem_alloc(w*(h+1)*3, 1); + unsigned char *pTempRow = pPixelData+w*h*3; + + // fetch the pixels + GLint Alignment; + glGetIntegerv(GL_PACK_ALIGNMENT, &Alignment); + glPixelStorei(GL_PACK_ALIGNMENT, 1); + glReadPixels(0,0, w, h, GL_RGB, GL_UNSIGNED_BYTE, pPixelData); + glPixelStorei(GL_PACK_ALIGNMENT, Alignment); + + // flip the pixel because opengl works from bottom left corner + for(int y = 0; y < h/2; y++) + { + mem_copy(pTempRow, pPixelData+y*w*3, w*3); + mem_copy(pPixelData+y*w*3, pPixelData+(h-y-1)*w*3, w*3); + mem_copy(pPixelData+(h-y-1)*w*3, pTempRow,w*3); + } + + // fill in the information + pCommand->m_pImage->m_Width = w; + pCommand->m_pImage->m_Height = h; + pCommand->m_pImage->m_Format = CImageInfo::FORMAT_RGB; + pCommand->m_pImage->m_pData = pPixelData; +} + +CCommandProcessorFragment_OpenGL::CCommandProcessorFragment_OpenGL() +{ + mem_zero(m_aTextures, sizeof(m_aTextures)); +} + +bool CCommandProcessorFragment_OpenGL::RunCommand(const CCommandBuffer::SCommand * pBaseCommand) +{ + switch(pBaseCommand->m_Cmd) + { + case CCommandBuffer::CMD_TEXTURE_CREATE: Cmd_Texture_Create(static_cast(pBaseCommand)); break; + case CCommandBuffer::CMD_TEXTURE_DESTROY: Cmd_Texture_Destroy(static_cast(pBaseCommand)); break; + case CCommandBuffer::CMD_TEXTURE_UPDATE: Cmd_Texture_Update(static_cast(pBaseCommand)); break; + case CCommandBuffer::CMD_CLEAR: Cmd_Clear(static_cast(pBaseCommand)); break; + case CCommandBuffer::CMD_RENDER: Cmd_Render(static_cast(pBaseCommand)); break; + case CCommandBuffer::CMD_SCREENSHOT: Cmd_Screenshot(static_cast(pBaseCommand)); break; + default: return false; + } + + return true; +} + + +// ------------ CCommandProcessorFragment_SDL + +void CCommandProcessorFragment_SDL::Cmd_Init(const SCommand_Init *pCommand) +{ + m_GLContext = pCommand->m_Context; + GL_MakeCurrent(m_GLContext); + + // set some default settings + glEnable(GL_BLEND); + glDisable(GL_CULL_FACE); + glDisable(GL_DEPTH_TEST); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + + glAlphaFunc(GL_GREATER, 0); + glEnable(GL_ALPHA_TEST); + glDepthMask(0); +} + +void CCommandProcessorFragment_SDL::Cmd_Shutdown(const SCommand_Shutdown *pCommand) +{ + GL_ReleaseContext(m_GLContext); +} + +void CCommandProcessorFragment_SDL::Cmd_Swap(const CCommandBuffer::SCommand_Swap *pCommand) +{ + GL_SwapBuffers(m_GLContext); +} + +void CCommandProcessorFragment_SDL::Cmd_VideoModes(const CCommandBuffer::SCommand_VideoModes *pCommand) +{ + // TODO: fix this code on osx or windows + SDL_Rect **ppModes = SDL_ListModes(NULL, SDL_OPENGL|SDL_GL_DOUBLEBUFFER|SDL_FULLSCREEN); + if(ppModes == NULL) + { + // no modes + *pCommand->m_pNumModes = 0; + } + else if(ppModes == (SDL_Rect**)-1) + { + // no modes + *pCommand->m_pNumModes = 0; + } + else + { + int NumModes = 0; + for(int i = 0; ppModes[i]; ++i) + { + if(NumModes == pCommand->m_MaxModes) + break; + pCommand->m_pModes[NumModes].m_Width = ppModes[i]->w; + pCommand->m_pModes[NumModes].m_Height = ppModes[i]->h; + pCommand->m_pModes[NumModes].m_Red = 8; + pCommand->m_pModes[NumModes].m_Green = 8; + pCommand->m_pModes[NumModes].m_Blue = 8; + NumModes++; + } + + *pCommand->m_pNumModes = NumModes; + } +} + +CCommandProcessorFragment_SDL::CCommandProcessorFragment_SDL() +{ +} + +bool CCommandProcessorFragment_SDL::RunCommand(const CCommandBuffer::SCommand *pBaseCommand) +{ + switch(pBaseCommand->m_Cmd) + { + case CCommandBuffer::CMD_SWAP: Cmd_Swap(static_cast(pBaseCommand)); break; + case CCommandBuffer::CMD_VIDEOMODES: Cmd_VideoModes(static_cast(pBaseCommand)); break; + case CMD_INIT: Cmd_Init(static_cast(pBaseCommand)); break; + case CMD_SHUTDOWN: Cmd_Shutdown(static_cast(pBaseCommand)); break; + default: return false; + } + + return true; +} + +// ------------ CCommandProcessor_SDL_OpenGL + +void CCommandProcessor_SDL_OpenGL::RunBuffer(CCommandBuffer *pBuffer) +{ + unsigned CmdIndex = 0; + while(1) + { + const CCommandBuffer::SCommand *pBaseCommand = pBuffer->GetCommand(&CmdIndex); + if(pBaseCommand == 0x0) + break; + + if(m_OpenGL.RunCommand(pBaseCommand)) + continue; + + if(m_SDL.RunCommand(pBaseCommand)) + continue; + + if(m_General.RunCommand(pBaseCommand)) + continue; + + dbg_msg("graphics", "unknown command %d", pBaseCommand->m_Cmd); + } +} + +// ------------ CGraphicsBackend_SDL_OpenGL + +int CGraphicsBackend_SDL_OpenGL::Init(const char *pName, int Width, int Height, int FsaaSamples, int Flags) +{ + if(!SDL_WasInit(SDL_INIT_VIDEO)) + { + if(SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) + { + dbg_msg("gfx", "unable to init SDL video: %s", SDL_GetError()); + return -1; + } + + #ifdef CONF_FAMILY_WINDOWS + if(!getenv("SDL_VIDEO_WINDOW_POS") && !getenv("SDL_VIDEO_CENTERED")) // ignore_convention + putenv("SDL_VIDEO_WINDOW_POS=8,27"); // ignore_convention + #endif + } + + const SDL_VideoInfo *pInfo = SDL_GetVideoInfo(); + + // set flags + int SdlFlags = SDL_OPENGL; + if(Flags&IGraphicsBackend::INITFLAG_RESIZABLE) + SdlFlags |= SDL_RESIZABLE; + + if(pInfo->hw_available) // ignore_convention + SdlFlags |= SDL_HWSURFACE; + else + SdlFlags |= SDL_SWSURFACE; + + if(pInfo->blit_hw) // ignore_convention + SdlFlags |= SDL_HWACCEL; + + if(Flags&IGraphicsBackend::INITFLAG_FULLSCREEN) + SdlFlags |= SDL_FULLSCREEN; + + // set gl attributes + if(FsaaSamples) + { + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1); + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, FsaaSamples); + } + else + { + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0); + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0); + } + + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, Flags&CCommandBuffer::INITFLAG_VSYNC ? 1 : 0); + + // set caption + SDL_WM_SetCaption(pName, pName); + + // create window + m_pScreenSurface = SDL_SetVideoMode(Width, Height, 0, SdlFlags); + if(!m_pScreenSurface) + { + dbg_msg("gfx", "unable to set video mode: %s", SDL_GetError()); + //*pCommand->m_pResult = -1; + return -1; + } + + SDL_ShowCursor(0); + + // fetch gl contexts and release the context from this thread + m_GLContext = GL_GetCurrentContext(); + GL_ReleaseContext(m_GLContext); + + // start the command processor + m_pProcessor = new CCommandProcessor_SDL_OpenGL; + StartProcessor(m_pProcessor); + + // issue a init command + CCommandBuffer CmdBuffer(1024, 512); + CCommandProcessorFragment_SDL::SCommand_Init Cmd; + Cmd.m_Context = m_GLContext; + CmdBuffer.AddCommand(Cmd); + RunBuffer(&CmdBuffer); + WaitForIdle(); + + // return + return 0; +} + +int CGraphicsBackend_SDL_OpenGL::Shutdown() +{ + // issue a shutdown command + CCommandBuffer CmdBuffer(1024, 512); + CCommandProcessorFragment_SDL::SCommand_Shutdown Cmd; + CmdBuffer.AddCommand(Cmd); + RunBuffer(&CmdBuffer); + WaitForIdle(); + + // stop and delete the processor + StopProcessor(); + delete m_pProcessor; + m_pProcessor = 0; + + SDL_QuitSubSystem(SDL_INIT_VIDEO); + return 0; +} + +void CGraphicsBackend_SDL_OpenGL::Minimize() +{ + SDL_WM_IconifyWindow(); +} + +void CGraphicsBackend_SDL_OpenGL::Maximize() +{ + // TODO: SDL +} + +int CGraphicsBackend_SDL_OpenGL::WindowActive() +{ + return SDL_GetAppState()&SDL_APPINPUTFOCUS; +} + +int CGraphicsBackend_SDL_OpenGL::WindowOpen() +{ + return SDL_GetAppState()&SDL_APPACTIVE; + +} + + +IGraphicsBackend *CreateGraphicsBackend() { return new CGraphicsBackend_SDL_OpenGL; } diff --git a/src/engine/client/backend_sdl.h b/src/engine/client/backend_sdl.h new file mode 100644 index 000000000..de0c6bd4a --- /dev/null +++ b/src/engine/client/backend_sdl.h @@ -0,0 +1,180 @@ + +#include "SDL.h" +#include "SDL_opengl.h" + +#include "graphics_threaded.h" + + + +// platform dependent implementations for transfering render context from the main thread to the graphics thread +// TODO: when SDL 1.3 comes, this can be removed +#if defined(CONF_FAMILY_WINDOWS) + struct SGLContext + { + HDC m_hDC; + HGLRC m_hGLRC; + }; + + static SGLContext GL_GetCurrentContext() + { + SGLContext Context; + Context.m_hDC = wglGetCurrentDC(); + Context.m_hGLRC = wglGetCurrentContext(); + return Context; + } + + static void GL_MakeCurrent(const SGLContext &Context) { wglMakeCurrent(Context.m_hDC, Context.m_hGLRC); } + static void GL_ReleaseContext(const SGLContext &Context) { wglMakeCurrent(Context.m_hDC, NULL); } + static void GL_SwapBuffers(const SGLContext &Context) { SwapBuffers(Context.m_hDC); } +#elif defined(CONF_PLATFORM_MACOSX) + #error missing implementation +#elif defined(CONF_FAMILY_UNIX) + + #include + + struct SGLContext + { + Display *m_pDisplay; + GLXDrawable m_Drawable; + GLXContext m_Context; + }; + + static SGLContext GL_GetCurrentContext() + { + SGLContext Context; + Context.m_pDisplay = glXGetCurrentDisplay(); + Context.m_Drawable = glXGetCurrentDrawable(); + Context.m_Context = glXGetCurrentContext(); + return Context; + } + + static void GL_MakeCurrent(const SGLContext &Context) { glXMakeCurrent(Context.m_pDisplay, Context.m_Drawable, Context.m_Context); } + static void GL_ReleaseContext(const SGLContext &Context) { glXMakeCurrent(Context.m_pDisplay, None, 0x0); } + static void GL_SwapBuffers(const SGLContext &Context) { glXSwapBuffers(Context.m_pDisplay, Context.m_Drawable); } +#else + #error missing implementation +#endif + + +// basic threaded backend, abstract, missing init and shutdown functions +class CGraphicsBackend_Threaded : public IGraphicsBackend +{ +public: + // constructed on the main thread, the rest of the functions is runned on the render thread + class ICommandProcessor + { + public: + virtual ~ICommandProcessor() {} + virtual void RunBuffer(CCommandBuffer *pBuffer) = 0; + }; + + CGraphicsBackend_Threaded(); + + virtual void RunBuffer(CCommandBuffer *pBuffer); + virtual bool IsIdle() const; + virtual void WaitForIdle(); + +protected: + void StartProcessor(ICommandProcessor *pProcessor); + void StopProcessor(); + +private: + ICommandProcessor *m_pProcessor; + CCommandBuffer * volatile m_pBuffer; + volatile bool m_Shutdown; + semaphore m_Activity; + semaphore m_BufferDone; + void *m_pThread; + + static void ThreadFunc(void *pUser); +}; + +// takes care of implementation independent operations +class CCommandProcessorFragment_General +{ + void Cmd_Nop(); + void Cmd_Signal(const CCommandBuffer::SCommand_Signal *pCommand); +public: + bool RunCommand(const CCommandBuffer::SCommand * pBaseCommand); +}; + +// takes care of opengl related rendering +class CCommandProcessorFragment_OpenGL +{ + GLuint m_aTextures[CCommandBuffer::MAX_TEXTURES]; + static int TexFormatToOpenGLFormat(int TexFormat); + + void SetState(const CCommandBuffer::SState &State); + + void Cmd_Texture_Update(const CCommandBuffer::SCommand_Texture_Update *pCommand); + void Cmd_Texture_Destroy(const CCommandBuffer::SCommand_Texture_Destroy *pCommand); + void Cmd_Texture_Create(const CCommandBuffer::SCommand_Texture_Create *pCommand); + void Cmd_Clear(const CCommandBuffer::SCommand_Clear *pCommand); + void Cmd_Render(const CCommandBuffer::SCommand_Render *pCommand); + void Cmd_Screenshot(const CCommandBuffer::SCommand_Screenshot *pCommand); + +public: + CCommandProcessorFragment_OpenGL(); + + bool RunCommand(const CCommandBuffer::SCommand * pBaseCommand); +}; + +// takes care of sdl related commands +class CCommandProcessorFragment_SDL +{ + // SDL stuff + SGLContext m_GLContext; +public: + enum + { + CMD_INIT = CCommandBuffer::CMDGROUP_PLATFORM, + CMD_SHUTDOWN, + }; + + struct SCommand_Init : public CCommandBuffer::SCommand + { + SCommand_Init() : SCommand(CMD_INIT) {} + SGLContext m_Context; + }; + + struct SCommand_Shutdown : public CCommandBuffer::SCommand + { + SCommand_Shutdown() : SCommand(CMD_SHUTDOWN) {} + }; + +private: + void Cmd_Init(const SCommand_Init *pCommand); + void Cmd_Shutdown(const SCommand_Shutdown *pCommand); + void Cmd_Swap(const CCommandBuffer::SCommand_Swap *pCommand); + void Cmd_VideoModes(const CCommandBuffer::SCommand_VideoModes *pCommand); +public: + CCommandProcessorFragment_SDL(); + + bool RunCommand(const CCommandBuffer::SCommand *pBaseCommand); +}; + +// command processor impelementation, uses the fragments to combine into one processor +class CCommandProcessor_SDL_OpenGL : public CGraphicsBackend_Threaded::ICommandProcessor +{ + CCommandProcessorFragment_OpenGL m_OpenGL; + CCommandProcessorFragment_SDL m_SDL; + CCommandProcessorFragment_General m_General; + public: + virtual void RunBuffer(CCommandBuffer *pBuffer); +}; + +// graphics backend implemented with SDL and OpenGL +class CGraphicsBackend_SDL_OpenGL : public CGraphicsBackend_Threaded +{ + SDL_Surface *m_pScreenSurface; + ICommandProcessor *m_pProcessor; + SGLContext m_GLContext; +public: + virtual int Init(const char *pName, int Width, int Height, int FsaaSamples, int Flags); + virtual int Shutdown(); + + virtual void Minimize(); + virtual void Maximize(); + virtual int WindowActive(); + virtual int WindowOpen(); +}; diff --git a/src/engine/client/client.cpp b/src/engine/client/client.cpp index b7244db4c..5067f8b29 100644 --- a/src/engine/client/client.cpp +++ b/src/engine/client/client.cpp @@ -1690,11 +1690,24 @@ void CClient::InitInterfaces() m_Friends.Init(); } +#include "SDL.h" + void CClient::Run() { m_LocalStartTime = time_get(); m_SnapshotParts = 0; + // init SDL + { + if(SDL_Init(0) < 0) + { + dbg_msg("client", "unable to init SDL base: %s", SDL_GetError()); + return; + } + + atexit(SDL_Quit); // ignore_convention + } + // init graphics { if(g_Config.m_GfxThreaded) @@ -1713,6 +1726,9 @@ void CClient::Run() } } + // init sound, allowed to fail + m_SoundInitFailed = Sound()->Init() != 0; + // open socket { NETADDR BindAddr; @@ -1737,8 +1753,6 @@ void CClient::Run() // init the editor //m_pEditor->Init(); - // init sound, allowed to fail - m_SoundInitFailed = Sound()->Init() != 0; // load data if(!LoadData()) @@ -1937,6 +1951,11 @@ void CClient::Run() m_pGraphics->Shutdown(); m_pSound->Shutdown(); + + // shutdown SDL + { + SDL_Quit(); + } } diff --git a/src/engine/client/graphics.cpp b/src/engine/client/graphics.cpp index d16f10fc4..ad3926f20 100644 --- a/src/engine/client/graphics.cpp +++ b/src/engine/client/graphics.cpp @@ -707,7 +707,7 @@ void CGraphics_OpenGL::QuadsText(float x, float y, float Size, float r, float g, QuadsEnd(); } -bool CGraphics_OpenGL::Init() +int CGraphics_OpenGL::Init() { m_pStorage = Kernel()->RequestInterface(); m_pConsole = Kernel()->RequestInterface(); @@ -743,7 +743,7 @@ bool CGraphics_OpenGL::Init() m_InvalidTexture = LoadTextureRaw(4,4,CImageInfo::FORMAT_RGBA,aNullTextureData,CImageInfo::FORMAT_RGBA,TEXLOAD_NORESAMPLE); - return true; + return 0; } int CGraphics_SDL::TryInit() @@ -841,7 +841,7 @@ CGraphics_SDL::CGraphics_SDL() m_pScreenSurface = 0; } -bool CGraphics_SDL::Init() +int CGraphics_SDL::Init() { { int Systems = SDL_INIT_VIDEO; @@ -855,7 +855,7 @@ bool CGraphics_SDL::Init() if(SDL_Init(Systems) < 0) { dbg_msg("gfx", "unable to init SDL: %s", SDL_GetError()); - return true; + return -1; } } @@ -867,14 +867,14 @@ bool CGraphics_SDL::Init() #endif if(InitWindow() != 0) - return true; + return -1; SDL_ShowCursor(0); CGraphics_OpenGL::Init(); MapScreen(0,0,g_Config.m_GfxScreenWidth, g_Config.m_GfxScreenHeight); - return false; + return 0; } void CGraphics_SDL::Shutdown() diff --git a/src/engine/client/graphics.h b/src/engine/client/graphics.h index 37276d36f..3ab550dcf 100644 --- a/src/engine/client/graphics.h +++ b/src/engine/client/graphics.h @@ -118,7 +118,7 @@ public: virtual void QuadsDrawFreeform(const CFreeformItem *pArray, int Num); virtual void QuadsText(float x, float y, float Size, float r, float g, float b, float a, const char *pText); - virtual bool Init(); + virtual int Init(); }; class CGraphics_SDL : public CGraphics_OpenGL @@ -130,7 +130,7 @@ class CGraphics_SDL : public CGraphics_OpenGL public: CGraphics_SDL(); - virtual bool Init(); + virtual int Init(); virtual void Shutdown(); virtual void Minimize(); diff --git a/src/engine/client/graphics_threaded.cpp b/src/engine/client/graphics_threaded.cpp index 947f39600..d1d09d380 100644 --- a/src/engine/client/graphics_threaded.cpp +++ b/src/engine/client/graphics_threaded.cpp @@ -4,9 +4,6 @@ #include #include -#include "SDL.h" -#include "SDL_opengl.h" - #include #include @@ -20,7 +17,6 @@ #include "graphics_threaded.h" - static CVideoMode g_aFakeModes[] = { {320,240,8,8,8}, {400,300,8,8,8}, {640,480,8,8,8}, {720,400,8,8,8}, {768,576,8,8,8}, {800,600,8,8,8}, @@ -45,469 +41,6 @@ static CVideoMode g_aFakeModes[] = { {2048,1536,5,6,5} }; -class CCommandProcessorFragment_General -{ -public: - void Cmd_Signal(const CCommandBuffer::SCommand_Signal *pCommand) - { - pCommand->m_pSemaphore->signal(); - } - - bool RunCommand(const CCommandBuffer::SCommand * pBaseCommand) - { - switch(pBaseCommand->m_Cmd) - { - case CCommandBuffer::CMD_NOP: break; - case CCommandBuffer::CMD_SIGNAL: Cmd_Signal(static_cast(pBaseCommand)); break; - default: return false; - } - - return true; - } -}; - -class CCommandProcessorFragment_OpenGL -{ - GLuint m_aTextures[CCommandBuffer::MAX_TEXTURES]; - - void SetState(const CCommandBuffer::SState &State) - { - // blend - switch(State.m_BlendMode) - { - case CCommandBuffer::BLEND_NONE: - glDisable(GL_BLEND); - break; - case CCommandBuffer::BLEND_ALPHA: - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - break; - case CCommandBuffer::BLEND_ADDITIVE: - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE); - break; - default: - dbg_msg("render", "unknown blendmode %d\n", State.m_BlendMode); - }; - - // clip - if(State.m_ClipEnable) - { - glScissor(State.m_ClipX, State.m_ClipY, State.m_ClipW, State.m_ClipH); - glEnable(GL_SCISSOR_TEST); - } - else - glDisable(GL_SCISSOR_TEST); - - // texture - if(State.m_Texture >= 0 && State.m_Texture < CCommandBuffer::MAX_TEXTURES) - { - glEnable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, m_aTextures[State.m_Texture]); - } - else - glDisable(GL_TEXTURE_2D); - - // screen mapping - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glOrtho(State.m_ScreenTL.x, State.m_ScreenBR.x, State.m_ScreenBR.y, State.m_ScreenTL.y, 1.0f, 10.f); - } - - static int TexFormatToOpenGLFormat(int TexFormat) - { - if(TexFormat == CCommandBuffer::TEXFORMAT_RGB) return GL_RGB; - if(TexFormat == CCommandBuffer::TEXFORMAT_ALPHA) return GL_ALPHA; - if(TexFormat == CCommandBuffer::TEXFORMAT_RGBA) return GL_RGBA; - return GL_RGBA; - } - - void Cmd_Texture_Update(const CCommandBuffer::SCommand_Texture_Update *pCommand) - { - glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot]); - glTexSubImage2D(GL_TEXTURE_2D, 0, pCommand->m_X, pCommand->m_Y, pCommand->m_Width, pCommand->m_Height, - TexFormatToOpenGLFormat(pCommand->m_Format), GL_UNSIGNED_BYTE, pCommand->m_pData); - mem_free(pCommand->m_pData); - } - - void Cmd_Texture_Destroy(const CCommandBuffer::SCommand_Texture_Destroy *pCommand) - { - glDeleteTextures(1, &m_aTextures[pCommand->m_Slot]); - } - - void Cmd_Texture_Create(const CCommandBuffer::SCommand_Texture_Create *pCommand) - { - int Oglformat = TexFormatToOpenGLFormat(pCommand->m_Format); - - // upload texture - int StoreOglformat = Oglformat; - if(g_Config.m_GfxTextureCompression) - { - StoreOglformat = GL_COMPRESSED_RGBA_ARB; - if(pCommand->m_StoreFormat == CCommandBuffer::TEXFORMAT_RGB) - StoreOglformat = GL_COMPRESSED_RGB_ARB; - else if(Oglformat == CCommandBuffer::TEXFORMAT_ALPHA) - StoreOglformat = GL_COMPRESSED_ALPHA_ARB; - } - else - { - StoreOglformat = TexFormatToOpenGLFormat(pCommand->m_StoreFormat); - } - - glGenTextures(1, &m_aTextures[pCommand->m_Slot]); - glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot]); - - if(pCommand->m_Flags&CCommandBuffer::TEXFLAG_NOMIPMAPS) - { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexImage2D(GL_TEXTURE_2D, 0, StoreOglformat, pCommand->m_Width, pCommand->m_Height, 0, Oglformat, GL_UNSIGNED_BYTE, pCommand->m_pData); - } - else - { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); - gluBuild2DMipmaps(GL_TEXTURE_2D, StoreOglformat, pCommand->m_Width, pCommand->m_Height, Oglformat, GL_UNSIGNED_BYTE, pCommand->m_pData); - } - - mem_free(pCommand->m_pData); - } - - void Cmd_Clear(const CCommandBuffer::SCommand_Clear *pCommand) - { - glClearColor(pCommand->m_Color.r, pCommand->m_Color.g, pCommand->m_Color.b, 0.0f); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - } - - void Cmd_Render(const CCommandBuffer::SCommand_Render *pCommand) - { - SetState(pCommand->m_State); - - glVertexPointer(3, GL_FLOAT, sizeof(CCommandBuffer::SVertex), (char*)pCommand->m_pVertices); - glTexCoordPointer(2, GL_FLOAT, sizeof(CCommandBuffer::SVertex), (char*)pCommand->m_pVertices + sizeof(float)*3); - glColorPointer(4, GL_FLOAT, sizeof(CCommandBuffer::SVertex), (char*)pCommand->m_pVertices + sizeof(float)*5); - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - glEnableClientState(GL_COLOR_ARRAY); - - switch(pCommand->m_PrimType) - { - case CCommandBuffer::PRIMTYPE_QUADS: - glDrawArrays(GL_QUADS, 0, pCommand->m_PrimCount*4); - break; - case CCommandBuffer::PRIMTYPE_LINES: - glDrawArrays(GL_LINES, 0, pCommand->m_PrimCount*2); - break; - default: - dbg_msg("render", "unknown primtype %d\n", pCommand->m_Cmd); - }; - } - - void Cmd_Screenshot(const CCommandBuffer::SCommand_Screenshot *pCommand) - { - // fetch image data - GLint aViewport[4] = {0,0,0,0}; - glGetIntegerv(GL_VIEWPORT, aViewport); - - int w = aViewport[2]; - int h = aViewport[3]; - - dbg_msg("graphics", "grabbing %d x %d", w, h); - - // we allocate one more row to use when we are flipping the texture - unsigned char *pPixelData = (unsigned char *)mem_alloc(w*(h+1)*3, 1); - unsigned char *pTempRow = pPixelData+w*h*3; - - // fetch the pixels - GLint Alignment; - glGetIntegerv(GL_PACK_ALIGNMENT, &Alignment); - glPixelStorei(GL_PACK_ALIGNMENT, 1); - glReadPixels(0,0, w, h, GL_RGB, GL_UNSIGNED_BYTE, pPixelData); - glPixelStorei(GL_PACK_ALIGNMENT, Alignment); - - // flip the pixel because opengl works from bottom left corner - for(int y = 0; y < h/2; y++) - { - mem_copy(pTempRow, pPixelData+y*w*3, w*3); - mem_copy(pPixelData+y*w*3, pPixelData+(h-y-1)*w*3, w*3); - mem_copy(pPixelData+(h-y-1)*w*3, pTempRow,w*3); - } - - // fill in the information - pCommand->m_pImage->m_Width = w; - pCommand->m_pImage->m_Height = h; - pCommand->m_pImage->m_Format = CImageInfo::FORMAT_RGB; - pCommand->m_pImage->m_pData = pPixelData; - } - -public: - CCommandProcessorFragment_OpenGL() - { - mem_zero(m_aTextures, sizeof(m_aTextures)); - } - - bool RunCommand(const CCommandBuffer::SCommand * pBaseCommand) - { - switch(pBaseCommand->m_Cmd) - { - case CCommandBuffer::CMD_TEXTURE_CREATE: Cmd_Texture_Create(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_TEXTURE_DESTROY: Cmd_Texture_Destroy(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_TEXTURE_UPDATE: Cmd_Texture_Update(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_CLEAR: Cmd_Clear(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_RENDER: Cmd_Render(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_SCREENSHOT: Cmd_Screenshot(static_cast(pBaseCommand)); break; - default: return false; - } - - return true; - } -}; - -class CCommandProcessorFragment_SDL -{ - // SDL stuff - SDL_Surface *m_pScreenSurface; - bool m_SystemInited; - - void Cmd_Init(const CCommandBuffer::SCommand_Init *pCommand) - { - if(!m_SystemInited) - { - int Systems = SDL_INIT_VIDEO; - - if(g_Config.m_SndEnable) // TODO: remove - Systems |= SDL_INIT_AUDIO; - - if(g_Config.m_ClEventthread) // TODO: remove - Systems |= SDL_INIT_EVENTTHREAD; - - if(SDL_Init(Systems) < 0) - { - dbg_msg("gfx", "unable to init SDL: %s", SDL_GetError()); - *pCommand->m_pResult = -1; - return; - } - - atexit(SDL_Quit); // ignore_convention - - #ifdef CONF_FAMILY_WINDOWS - if(!getenv("SDL_VIDEO_WINDOW_POS") && !getenv("SDL_VIDEO_CENTERED")) // ignore_convention - putenv("SDL_VIDEO_WINDOW_POS=8,27"); // ignore_convention - #endif - - m_SystemInited = true; - } - - const SDL_VideoInfo *pInfo = SDL_GetVideoInfo(); - SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE); - - // set flags - int Flags = SDL_OPENGL; - if(pCommand->m_Flags&CCommandBuffer::INITFLAG_RESIZABLE) - Flags |= SDL_RESIZABLE; - - if(pInfo->hw_available) // ignore_convention - Flags |= SDL_HWSURFACE; - else - Flags |= SDL_SWSURFACE; - - if(pInfo->blit_hw) // ignore_convention - Flags |= SDL_HWACCEL; - - if(pCommand->m_Flags&CCommandBuffer::INITFLAG_FULLSCREEN) - Flags |= SDL_FULLSCREEN; - - // set gl attributes - if(pCommand->m_FsaaSamples) - { - SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1); - SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, pCommand->m_FsaaSamples); - } - else - { - SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0); - SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0); - } - - SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); - SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, pCommand->m_Flags&CCommandBuffer::INITFLAG_VSYNC ? 1 : 0); - - // set caption - SDL_WM_SetCaption(pCommand->m_aName, pCommand->m_aName); - - // create window - m_pScreenSurface = SDL_SetVideoMode(pCommand->m_ScreenWidth, pCommand->m_ScreenHeight, 0, Flags); - if(m_pScreenSurface) - { - SDL_ShowCursor(0); - - // set some default settings - glEnable(GL_BLEND); - glDisable(GL_CULL_FACE); - glDisable(GL_DEPTH_TEST); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - - glAlphaFunc(GL_GREATER, 0); - glEnable(GL_ALPHA_TEST); - glDepthMask(0); - - *pCommand->m_pResult = 0; - } - else - { - dbg_msg("gfx", "unable to set video mode: %s", SDL_GetError()); - *pCommand->m_pResult = -1; - } - } - - void Cmd_Shutdown(const CCommandBuffer::SCommand_Shutdown *pCommand) - { - SDL_Quit(); - } - - void Cmd_Swap(const CCommandBuffer::SCommand_Swap *pCommand) - { - SDL_GL_SwapBuffers(); - } - - void Cmd_VideoModes(const CCommandBuffer::SCommand_VideoModes *pCommand) - { - // TODO: fix this code on osx or windows - SDL_Rect **ppModes = SDL_ListModes(NULL, SDL_OPENGL|SDL_GL_DOUBLEBUFFER|SDL_FULLSCREEN); - if(ppModes == NULL) - { - // no modes - *pCommand->m_pNumModes = 0; - } - else if(ppModes == (SDL_Rect**)-1) - { - // no modes - *pCommand->m_pNumModes = 0; - } - else - { - int NumModes = 0; - for(int i = 0; ppModes[i]; ++i) - { - if(NumModes == pCommand->m_MaxModes) - break; - pCommand->m_pModes[NumModes].m_Width = ppModes[i]->w; - pCommand->m_pModes[NumModes].m_Height = ppModes[i]->h; - pCommand->m_pModes[NumModes].m_Red = 8; - pCommand->m_pModes[NumModes].m_Green = 8; - pCommand->m_pModes[NumModes].m_Blue = 8; - NumModes++; - } - - *pCommand->m_pNumModes = NumModes; - } - } - -public: - CCommandProcessorFragment_SDL() - { - m_SystemInited = false; - m_pScreenSurface = 0x0; - } - - bool RunCommand(const CCommandBuffer::SCommand *pBaseCommand) - { - switch(pBaseCommand->m_Cmd) - { - case CCommandBuffer::CMD_INIT: Cmd_Init(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_SHUTDOWN: Cmd_Shutdown(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_SWAP: Cmd_Swap(static_cast(pBaseCommand)); break; - case CCommandBuffer::CMD_VIDEOMODES: Cmd_VideoModes(static_cast(pBaseCommand)); break; - default: return false; - } - - return true; - } -}; - -class CCommandProcessor_SDL_OpenGL : public ICommandProcessor -{ - CCommandProcessorFragment_OpenGL m_OpenGL; - CCommandProcessorFragment_SDL m_SDL; - CCommandProcessorFragment_General m_General; - public: - virtual void RunBuffer(CCommandBuffer *pBuffer) - { - unsigned CmdIndex = 0; - while(1) - { - const CCommandBuffer::SCommand *pBaseCommand = pBuffer->GetCommand(&CmdIndex); - if(pBaseCommand == 0x0) - break; - - if(m_OpenGL.RunCommand(pBaseCommand)) - continue; - - if(m_SDL.RunCommand(pBaseCommand)) - continue; - - if(m_General.RunCommand(pBaseCommand)) - continue; - - dbg_msg("graphics", "unknown command %d", pBaseCommand->m_Cmd); - } - } -}; - -void CCommandProcessorHandler::ThreadFunc(void *pUser) -{ - CCommandProcessorHandler *pThis = (CCommandProcessorHandler *)pUser; - - while(!pThis->m_Shutdown) - { - pThis->m_Activity.wait(); - if(pThis->m_pBuffer) - { - pThis->m_pProcessor->RunBuffer(pThis->m_pBuffer); - sync_barrier(); - pThis->m_pBuffer = 0x0; - pThis->m_BufferDone.signal(); - } - } -} - -CCommandProcessorHandler::CCommandProcessorHandler() -{ - m_pBuffer = 0x0; - m_pProcessor = 0x0; - m_pThread = 0x0; -} - -void CCommandProcessorHandler::Start(ICommandProcessor *pProcessor) -{ - m_Shutdown = false; - m_pProcessor = pProcessor; - m_pThread = thread_create(ThreadFunc, this); - m_BufferDone.signal(); -} - -void CCommandProcessorHandler::Stop() -{ - m_Shutdown = true; - m_Activity.signal(); - thread_wait(m_pThread); - thread_destroy(m_pThread); -} - -void CCommandProcessorHandler::RunBuffer(CCommandBuffer *pBuffer) -{ - WaitForIdle(); - m_pBuffer = pBuffer; - m_Activity.signal(); -} - -void CCommandProcessorHandler::WaitForIdle() -{ - while(m_pBuffer != 0x0) - m_BufferDone.wait(); -} - void CGraphics_Threaded::FlushVertices() { if(m_NumVertices == 0) @@ -910,7 +443,7 @@ int CGraphics_Threaded::LoadPNG(CImageInfo *pImg, const char *pFilename, int Sto void CGraphics_Threaded::KickCommandBuffer() { - m_Handler.RunBuffer(m_pCommandBuffer); + m_pBackend->RunBuffer(m_pCommandBuffer); // swap buffer m_CurrentCommandBuffer ^= 1; @@ -1156,27 +689,12 @@ void CGraphics_Threaded::QuadsText(float x, float y, float Size, float r, float int CGraphics_Threaded::IssueInit() { - // issue init command - m_pCommandBuffer->Reset(); - - volatile int Result; - CCommandBuffer::SCommand_Init Cmd; - str_copy(Cmd.m_aName, "Teeworlds", sizeof(Cmd.m_aName)); - Cmd.m_pResult = &Result; - Cmd.m_ScreenWidth = g_Config.m_GfxScreenWidth; - Cmd.m_ScreenHeight = g_Config.m_GfxScreenHeight; - Cmd.m_FsaaSamples = g_Config.m_GfxFsaaSamples; - - Cmd.m_Flags = 0; - if(g_Config.m_GfxFullscreen) Cmd.m_Flags |= CCommandBuffer::INITFLAG_FULLSCREEN; - if(g_Config.m_GfxVsync) Cmd.m_Flags |= CCommandBuffer::INITFLAG_VSYNC; - if(g_Config.m_DbgResizable) Cmd.m_Flags |= CCommandBuffer::INITFLAG_RESIZABLE; + int Flags = 0; + if(g_Config.m_GfxFullscreen) Flags |= IGraphicsBackend::INITFLAG_FULLSCREEN; + if(g_Config.m_GfxVsync) Flags |= IGraphicsBackend::INITFLAG_VSYNC; + if(g_Config.m_DbgResizable) Flags |= IGraphicsBackend::INITFLAG_RESIZABLE; - m_pCommandBuffer->AddCommand(Cmd); - - m_Handler.RunBuffer(m_pCommandBuffer); - m_Handler.WaitForIdle(); - return Result; + return m_pBackend->Init("Teeworlds", g_Config.m_GfxScreenWidth, g_Config.m_GfxScreenHeight, g_Config.m_GfxFsaaSamples, Flags); } int CGraphics_Threaded::InitWindow() @@ -1214,7 +732,7 @@ int CGraphics_Threaded::InitWindow() return -1; } -bool CGraphics_Threaded::Init() +int CGraphics_Threaded::Init() { // fetch pointers m_pStorage = Kernel()->RequestInterface(); @@ -1230,23 +748,19 @@ bool CGraphics_Threaded::Init() m_aTextures[i].m_Next = i+1; m_aTextures[MAX_TEXTURES-1].m_Next = -1; - // start the command processor - m_pProcessor = new CCommandProcessor_SDL_OpenGL; - m_Handler.Start(m_pProcessor); + m_pBackend = CreateGraphicsBackend(); + if(InitWindow() != 0) + return -1; + + // fetch final resolusion + m_ScreenWidth = g_Config.m_GfxScreenWidth; + m_ScreenHeight = g_Config.m_GfxScreenHeight; // create command buffers m_apCommandBuffers[0] = new CCommandBuffer(1024*512, 1024*1024); m_apCommandBuffers[1] = new CCommandBuffer(1024*512, 1024*1024); m_pCommandBuffer = m_apCommandBuffers[0]; - // try to init the window - if(InitWindow() != 0) - return 0; - - // fetch final resolusion - m_ScreenWidth = g_Config.m_GfxScreenWidth; - m_ScreenHeight = g_Config.m_GfxScreenHeight; - // create null texture, will get id=0 static const unsigned char aNullTextureData[] = { 0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0x00,0xff,0x00,0xff, 0x00,0xff,0x00,0xff, @@ -1261,36 +775,31 @@ bool CGraphics_Threaded::Init() void CGraphics_Threaded::Shutdown() { - // add swap command - CCommandBuffer::SCommand_Shutdown Cmd; - m_pCommandBuffer->AddCommand(Cmd); - m_Handler.RunBuffer(m_pCommandBuffer); - - // wait for everything to process and then stop the command processor - m_Handler.WaitForIdle(); - m_Handler.Stop(); - delete m_pProcessor; - m_pProcessor = 0; + // shutdown the backend + m_pBackend->Shutdown(); + delete m_pBackend; + m_pBackend = 0x0; } void CGraphics_Threaded::Minimize() { - SDL_WM_IconifyWindow(); + m_pBackend->Minimize(); } void CGraphics_Threaded::Maximize() { // TODO: SDL + m_pBackend->Maximize(); } int CGraphics_Threaded::WindowActive() { - return SDL_GetAppState()&SDL_APPINPUTFOCUS; + return m_pBackend->WindowActive(); } int CGraphics_Threaded::WindowOpen() { - return SDL_GetAppState()&SDL_APPACTIVE; + return m_pBackend->WindowOpen(); } @@ -1330,12 +839,12 @@ void CGraphics_Threaded::InsertSignal(semaphore *pSemaphore) bool CGraphics_Threaded::IsIdle() { - return m_Handler.IsIdle(); + return m_pBackend->IsIdle(); } void CGraphics_Threaded::WaitForIdle() { - m_Handler.WaitForIdle(); + m_pBackend->WaitForIdle(); } int CGraphics_Threaded::GetVideoModes(CVideoMode *pModes, int MaxModes) diff --git a/src/engine/client/graphics_threaded.h b/src/engine/client/graphics_threaded.h index 8b1c772d8..9f5f442d6 100644 --- a/src/engine/client/graphics_threaded.h +++ b/src/engine/client/graphics_threaded.h @@ -2,6 +2,8 @@ #include +#include + class CCommandBuffer { class CBuffer @@ -54,12 +56,12 @@ public: enum { - // - CMD_NOP = 0, + // commadn groups + CMDGROUP_CORE = 0, // commands that everyone has to implement + CMDGROUP_PLATFORM = 10000, // commands specific to a platform // - CMD_INIT, - CMD_SHUTDOWN, + CMD_NOP = CMDGROUP_CORE, // CMD_RUNBUFFER, @@ -82,6 +84,7 @@ public: // misc CMD_SCREENSHOT, CMD_VIDEOMODES, + }; enum @@ -155,25 +158,6 @@ public: SCommand_Clear() : SCommand(CMD_CLEAR) {} SColor m_Color; }; - - struct SCommand_Init : public SCommand - { - SCommand_Init() : SCommand(CMD_INIT) {} - - char m_aName[256]; - - int m_ScreenWidth; - int m_ScreenHeight; - int m_FsaaSamples; - int m_Flags; - - volatile int *m_pResult; - }; - - struct SCommand_Shutdown : public SCommand - { - SCommand_Shutdown() : SCommand(CMD_SHUTDOWN) {} - }; struct SCommand_Signal : public SCommand { @@ -269,10 +253,13 @@ public: template void AddCommand(const T &Command) { + // make sure that we don't do something stupid like ->AddCommand(&Cmd); + (void)static_cast(&Command); + + // allocate and copy the command into the buffer SCommand *pCmd = (SCommand *)m_CmdBuffer.Alloc(sizeof(Command)); if(!pCmd) return; - mem_copy(pCmd, &Command, sizeof(Command)); pCmd->m_Size = sizeof(Command); } @@ -294,40 +281,35 @@ public: } }; -class ICommandProcessor +// interface for the graphics backend +// all these functions are called on the main thread +class IGraphicsBackend { public: - virtual ~ICommandProcessor() {} + enum + { + INITFLAG_FULLSCREEN = 1, + INITFLAG_VSYNC = 2, + INITFLAG_RESIZABLE = 4, + }; + + virtual int Init(const char *pName, int Width, int Height, int FsaaSamples, int Flags) = 0; + virtual int Shutdown() = 0; + + virtual void Minimize() = 0; + virtual void Maximize() = 0; + virtual int WindowActive() = 0; + virtual int WindowOpen() = 0; + virtual void RunBuffer(CCommandBuffer *pBuffer) = 0; -}; - - -class CCommandProcessorHandler -{ - ICommandProcessor *m_pProcessor; - CCommandBuffer * volatile m_pBuffer; - volatile bool m_Shutdown; - semaphore m_Activity; - semaphore m_BufferDone; - void *m_pThread; - - static void ThreadFunc(void *pUser); - -public: - CCommandProcessorHandler(); - void Start(ICommandProcessor *pProcessor); - void Stop(); - - void RunBuffer(CCommandBuffer *pBuffer); - bool IsIdle() const { return m_pBuffer == 0; } - void WaitForIdle(); + virtual bool IsIdle() const = 0; + virtual void WaitForIdle() = 0; }; class CGraphics_Threaded : public IEngineGraphics { CCommandBuffer::SState m_State; - CCommandProcessorHandler m_Handler; - ICommandProcessor *m_pProcessor; + IGraphicsBackend *m_pBackend; CCommandBuffer *m_apCommandBuffers[2]; CCommandBuffer *m_pCommandBuffer; @@ -440,7 +422,7 @@ public: virtual int WindowActive(); virtual int WindowOpen(); - virtual bool Init(); + virtual int Init(); virtual void Shutdown(); virtual void TakeScreenshot(const char *pFilename); @@ -452,4 +434,6 @@ public: virtual void InsertSignal(semaphore *pSemaphore); virtual bool IsIdle(); virtual void WaitForIdle(); -}; \ No newline at end of file +}; + +extern IGraphicsBackend *CreateGraphicsBackend(); diff --git a/src/engine/client/sound.cpp b/src/engine/client/sound.cpp index 45404d18b..3f3d1a5d6 100644 --- a/src/engine/client/sound.cpp +++ b/src/engine/client/sound.cpp @@ -209,6 +209,12 @@ int CSound::Init() if(!g_Config.m_SndEnable) return 0; + if(SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) + { + dbg_msg("gfx", "unable to init SDL audio: %s", SDL_GetError()); + return -1; + } + m_MixingRate = g_Config.m_SndRate; // Set 16-bit stereo audio at 22Khz @@ -256,6 +262,7 @@ int CSound::Update() int CSound::Shutdown() { SDL_CloseAudio(); + SDL_QuitSubSystem(SDL_INIT_AUDIO); lock_destroy(m_SoundLock); return 0; } diff --git a/src/engine/graphics.h b/src/engine/graphics.h index 94d9c1a28..6d31060e6 100644 --- a/src/engine/graphics.h +++ b/src/engine/graphics.h @@ -146,7 +146,7 @@ class IEngineGraphics : public IGraphics { MACRO_INTERFACE("enginegraphics", 0) public: - virtual bool Init() = 0; + virtual int Init() = 0; virtual void Shutdown() = 0; virtual void Minimize() = 0;