diff options
Diffstat (limited to 'src/graphics.cpp')
| -rw-r--r-- | src/graphics.cpp | 176 |
1 files changed, 164 insertions, 12 deletions
diff --git a/src/graphics.cpp b/src/graphics.cpp index f07c6b48d..677172420 100644 --- a/src/graphics.cpp +++ b/src/graphics.cpp @@ -22,6 +22,10 @@ #include "graphics.h" +#include "main.h" + +#include "configuration.h" +#include "graphicsmanager.h" #include "graphicsvertexes.h" #include "logger.h" @@ -36,11 +40,21 @@ #include "debug.h" +#ifdef USE_OPENGL +#ifndef GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX +//#define GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047 +//#define GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048 +#define GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049 +//#define GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A +//#define GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B +#endif +#endif + static unsigned int *cR = nullptr; static unsigned int *cG = nullptr; static unsigned int *cB = nullptr; -Graphics::Graphics(): +Graphics::Graphics() : mWidth(0), mHeight(0), mBpp(0), @@ -54,7 +68,9 @@ Graphics::Graphics(): mEnableResize(false), mNoFrame(false), mOldPixel(0), - mOldAlpha(0) + mOldAlpha(0), + mName("Software"), + mStartFreeMem(0) { mRect.x = 0; mRect.y = 0; @@ -67,15 +83,13 @@ Graphics::~Graphics() _endDraw(); } -bool Graphics::setVideoMode(int w, int h, int bpp, bool fs, +void Graphics::setMainFlags(int w, int h, int bpp, bool fs, bool hwaccel, bool resize, bool noFrame) { - logger->log1("graphics backend: software"); + logger->log("graphics backend: %s", getName().c_str()); logger->log("Setting video mode %dx%d %s", w, h, fs ? "fullscreen" : "windowed"); - int displayFlags = SDL_ANYFORMAT; - mWidth = w; mHeight = h; mBpp = bpp; @@ -83,23 +97,160 @@ bool Graphics::setVideoMode(int w, int h, int bpp, bool fs, mHWAccel = hwaccel; mEnableResize = resize; mNoFrame = noFrame; +} + +int Graphics::getOpenGLFlags() +{ +#ifdef USE_OPENGL + int displayFlags = SDL_ANYFORMAT | SDL_OPENGL; - if (fs) + if (mFullscreen) + { displayFlags |= SDL_FULLSCREEN; - else if (resize) + } + else + { + // Resizing currently not supported on Windows, where it would require + // reuploading all textures. +#if !defined(_WIN32) + if (mEnableResize) + displayFlags |= SDL_RESIZABLE; +#endif + } + + if (mNoFrame) + displayFlags |= SDL_NOFRAME; + + return displayFlags; +#else + return 0; +#endif +} + +bool Graphics::setOpenGLMode() +{ +#ifdef USE_OPENGL + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + if (!(mTarget = SDL_SetVideoMode(mWidth, mHeight, mBpp, getOpenGLFlags()))) + return false; + +#ifdef __APPLE__ + if (mSync) + { + const GLint VBL = 1; + CGLSetParameter(CGLGetCurrentContext(), kCGLCPSwapInterval, &VBL); + } +#endif + + graphicsManager.logString("gl vendor: %s", GL_VENDOR); + graphicsManager.logString("gl renderer: %s", GL_RENDERER); + graphicsManager.logString("gl version: %s", GL_VERSION); + + // Setup OpenGL + glViewport(0, 0, mWidth, mHeight); + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); + int gotDoubleBuffer; + SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &gotDoubleBuffer); + logger->log("Using OpenGL %s double buffering.", + (gotDoubleBuffer ? "with" : "without")); + + char const *glExtensions = reinterpret_cast<char const *>( + glGetString(GL_EXTENSIONS)); + + logger->log1("opengl extensions: "); + logger->log1(glExtensions); + + graphicsManager.updateExtensions(glExtensions); + + graphicsManager.updateTextureFormat(); + updateMemoryInfo(); + + GLint texSize; + bool rectTex = graphicsManager.supportExtension( + "GL_ARB_texture_rectangle"); + if (rectTex && Image::getInternalTextureType() == 4 + && config.getBoolValue("rectangulartextures")) + { + logger->log1("using GL_ARB_texture_rectangle"); + Image::mTextureType = GL_TEXTURE_RECTANGLE_ARB; + glEnable(GL_TEXTURE_RECTANGLE_ARB); + glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &texSize); + Image::mTextureSize = texSize; + logger->log("OpenGL texture size: %d pixels (rectangle textures)", + Image::mTextureSize); + } + else + { + Image::mTextureType = GL_TEXTURE_2D; + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &texSize); + Image::mTextureSize = texSize; + logger->log("OpenGL texture size: %d pixels", Image::mTextureSize); + } + return videoInfo(); +#else + return false; +#endif +} + +int Graphics::getSoftwareFlags() +{ + int displayFlags = SDL_ANYFORMAT; + + if (mFullscreen) + displayFlags |= SDL_FULLSCREEN; + else if (mEnableResize) displayFlags |= SDL_RESIZABLE; - if (hwaccel) + if (mHWAccel) displayFlags |= SDL_HWSURFACE | SDL_DOUBLEBUF; else displayFlags |= SDL_SWSURFACE; - if (noFrame) + if (mNoFrame) displayFlags |= SDL_NOFRAME; - setTarget(SDL_SetVideoMode(w, h, bpp, displayFlags)); + return displayFlags; +} + + +void Graphics::updateMemoryInfo() +{ +#ifdef USE_OPENGL + if (mStartFreeMem) + return; + + if (graphicsManager.supportExtension("GL_NVX_gpu_memory_info")) + { + glGetIntegerv(GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, + &mStartFreeMem); + logger->log("free video memory: %d", mStartFreeMem); + } +#endif +} + +int Graphics::getMemoryUsage() +{ +#ifdef USE_OPENGL + if (!mStartFreeMem) + return 0; + + if (graphicsManager.supportExtension("GL_NVX_gpu_memory_info")) + { + GLint val; + glGetIntegerv(GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, + &val); + return mStartFreeMem - val; + } +#endif + return 0; +} + +bool Graphics::setVideoMode(int w, int h, int bpp, bool fs, + bool hwaccel, bool resize, bool noFrame) +{ + setMainFlags(w, h, bpp, fs, hwaccel, resize, noFrame); - if (!mTarget) + if (!(mTarget = SDL_SetVideoMode(w, h, bpp, getSoftwareFlags()))) return false; mRect.w = mTarget->w; @@ -112,6 +263,7 @@ bool Graphics::videoInfo() { char videoDriverName[65]; + logger->log("SDL video info"); if (SDL_VideoDriverName(videoDriverName, 64)) logger->log("Using video driver: %s", videoDriverName); else |