move render classes into render dir.

1 files changed, 586 insertions, 0 deletions

diff --git a/src/render/graphics.cpp b/src/render/graphics.cpp
new file mode 100644
index 000000000..42de3429d
--- /dev/null
+++ b/src/render/graphics.cpp
@@ -0,0 +1,586 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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 of the License, or
+ *  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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "render/graphics.h"
+
+#include "main.h"
+
+#include "configuration.h"
+#include "graphicsmanager.h"
+#include "graphicsvertexes.h"
+#include "logger.h"
+
+#include "resources/imagehelper.h"
+#include "resources/openglimagehelper.h"
+
+#include <guichan/sdl/sdlpixel.hpp>
+
+#ifdef USE_OPENGL
+#ifdef __APPLE__
+#include <OpenGL/OpenGL.h>
+#endif
+#endif
+
+#include "debug.h"
+
+#ifdef USE_OPENGL
+#ifndef GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
+#define GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
+#endif
+#endif
+
+Graphics::Graphics() :
+    gcn::Graphics(),
+    mWidth(0),
+    mHeight(0),
+    mWindow(nullptr),
+#ifdef USE_SDL2
+    mRenderer(nullptr),
+#ifdef USE_OPENGL
+    mGLContext(nullptr),
+#endif
+#endif
+    mBpp(0),
+    mAlpha(false),
+    mFullscreen(false),
+    mHWAccel(false),
+    mRedraw(false),
+    mDoubleBuffer(false),
+    mRect(),
+    mSecure(false),
+    mOpenGL(0),
+    mEnableResize(false),
+    mNoFrame(false),
+    mName("Software"),
+    mStartFreeMem(0),
+    mSync(false),
+    mColor(),
+    mColor2()
+{
+    mRect.x = 0;
+    mRect.y = 0;
+    mRect.w = 0;
+    mRect.h = 0;
+}
+
+Graphics::~Graphics()
+{
+    _endDraw();
+#ifdef USE_SDL2
+    if (mRenderer)
+    {
+        SDL_DestroyRenderer(mRenderer);
+        mRenderer = nullptr;
+    }
+#ifdef USE_OPENGL
+    if (mGLContext)
+    {
+        SDL_GL_DeleteContext(mGLContext);
+        mGLContext = 0;
+    }
+#endif
+#endif
+}
+
+void Graphics::setSync(const bool sync)
+{
+    mSync = sync;
+}
+
+void Graphics::setMainFlags(const int w, const int h, const int bpp,
+                            const bool fs, const bool hwaccel,
+                            const bool resize, const bool noFrame)
+{
+    logger->log("graphics backend: %s", getName().c_str());
+    logger->log("Setting video mode %dx%d %s",
+            w, h, fs ? "fullscreen" : "windowed");
+
+    mWidth = w;
+    mHeight = h;
+    mBpp = bpp;
+    mFullscreen = fs;
+    mHWAccel = hwaccel;
+    mEnableResize = resize;
+    mNoFrame = noFrame;
+}
+
+int Graphics::getOpenGLFlags() const
+{
+#ifdef USE_OPENGL
+
+#ifdef USE_SDL2
+    int displayFlags = SDL_WINDOW_OPENGL;
+    if (mFullscreen)
+        displayFlags |= SDL_WINDOW_FULLSCREEN;
+#else
+    int displayFlags = SDL_ANYFORMAT | SDL_OPENGL;
+#endif  // USE_SDL2
+
+    if (mFullscreen)
+    {
+        displayFlags |= SDL_FULLSCREEN;
+    }
+    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  // USE_OPENGL
+}
+
+bool Graphics::setOpenGLMode()
+{
+#ifdef USE_OPENGL
+    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+    if (!(mWindow = graphicsManager.createWindow(mWidth, mHeight,
+        mBpp, getOpenGLFlags())))
+    {
+        mRect.w = 0;
+        mRect.h = 0;
+        return false;
+    }
+
+#ifdef USE_SDL2
+    int w1 = 0;
+    int h1 = 0;
+    SDL_GetWindowSize(mWindow, &w1, &h1);
+    mRect.w = w1;
+    mRect.h = h1;
+
+    mGLContext = SDL_GL_CreateContext(mWindow);
+
+#else  // USE_SDL2
+
+    mRect.w = static_cast<uint16_t>(mWindow->w);
+    mRect.h = static_cast<uint16_t>(mWindow->h);
+#endif  // USE_SDL2
+
+#ifdef __APPLE__
+    if (mSync)
+    {
+        const GLint VBL = 1;
+        CGLSetParameter(CGLGetCurrentContext(), kCGLCPSwapInterval, &VBL);
+    }
+#endif
+
+    graphicsManager.setGLVersion();
+    graphicsManager.logVersion();
+
+    // Setup OpenGL
+    glViewport(0, 0, mWidth, mHeight);
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+    int gotDoubleBuffer = 0;
+    SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &gotDoubleBuffer);
+    logger->log("Using OpenGL %s double buffering.",
+                (gotDoubleBuffer ? "with" : "without"));
+
+    graphicsManager.initOpenGL();
+    initArrays();
+    graphicsManager.updateTextureFormat();
+    updateMemoryInfo();
+
+    GLint texSize;
+    bool rectTex = graphicsManager.supportExtension(
+        "GL_ARB_texture_rectangle");
+    if (rectTex && OpenGLImageHelper::getInternalTextureType() == 4
+        && getOpenGL() != 3 && config.getBoolValue("rectangulartextures")
+        && !graphicsManager.isUseTextureSampler())
+    {
+        logger->log1("using GL_ARB_texture_rectangle");
+        OpenGLImageHelper::mTextureType = GL_TEXTURE_RECTANGLE_ARB;
+        glEnable(GL_TEXTURE_RECTANGLE_ARB);
+        glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &texSize);
+        OpenGLImageHelper::mTextureSize = texSize;
+        logger->log("OpenGL texture size: %d pixels (rectangle textures)",
+            OpenGLImageHelper::mTextureSize);
+    }
+    else
+    {
+        OpenGLImageHelper::mTextureType = GL_TEXTURE_2D;
+        glGetIntegerv(GL_MAX_TEXTURE_SIZE, &texSize);
+        OpenGLImageHelper::mTextureSize = texSize;
+        logger->log("OpenGL texture size: %d pixels",
+            OpenGLImageHelper::mTextureSize);
+    }
+    return videoInfo();
+#else  // USE_OPENGL
+
+    return false;
+#endif  // USE_OPENGL
+}
+
+int Graphics::getSoftwareFlags() const
+{
+#ifdef USE_SDL2
+    int displayFlags = SDL_WINDOW_SHOWN;
+#else
+    int displayFlags = SDL_ANYFORMAT;
+
+    if (mHWAccel)
+        displayFlags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
+    else
+        displayFlags |= SDL_SWSURFACE;
+#endif
+
+    if (mFullscreen)
+        displayFlags |= SDL_FULLSCREEN;
+    else if (mEnableResize)
+        displayFlags |= SDL_RESIZABLE;
+
+    if (mNoFrame)
+        displayFlags |= SDL_NOFRAME;
+    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() const
+{
+#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;
+}
+
+#ifdef USE_SDL2
+void Graphics::dumpRendererInfo(const char *const str,
+                                const SDL_RendererInfo &info)
+{
+    logger->log(str, info.name);
+    logger->log("flags:");
+    if (info.flags & SDL_RENDERER_SOFTWARE)
+        logger->log(" software");
+    if (info.flags & SDL_RENDERER_ACCELERATED)
+        logger->log(" accelerated");
+    if (info.flags & SDL_RENDERER_PRESENTVSYNC)
+        logger->log(" vsync");
+    if (info.flags & SDL_RENDERER_TARGETTEXTURE)
+        logger->log(" texture target");
+}
+#endif
+
+bool Graphics::videoInfo()
+{
+    logger->log("SDL video info");
+#ifdef USE_SDL2
+    logger->log("Using video driver: %s", SDL_GetCurrentVideoDriver());
+
+    if (mRenderer)
+    {
+        SDL_RendererInfo info;
+        SDL_GetRendererInfo(mRenderer, &info);
+        dumpRendererInfo("Current SDL renderer name: %s", info);
+
+        const int num = SDL_GetNumRenderDrivers();
+        logger->log("Known renderers");
+        for (int f = 0; f < num; f ++)
+        {
+            if (!SDL_GetRenderDriverInfo(f, &info))
+                dumpRendererInfo("renderer name: %s", info);
+        }
+    }
+#else
+    char videoDriverName[65];
+    if (SDL_VideoDriverName(videoDriverName, 64))
+        logger->log("Using video driver: %s", videoDriverName);
+    else
+        logger->log1("Using video driver: unknown");
+    mDoubleBuffer = ((mWindow->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF);
+    logger->log("Double buffer mode: %s", mDoubleBuffer ? "yes" : "no");
+
+    imageHelper->dumpSurfaceFormat(mWindow);
+
+    const SDL_VideoInfo *const vi = SDL_GetVideoInfo();
+    if (!vi)
+        return false;
+
+    logger->log("Possible to create hardware surfaces: %s",
+            ((vi->hw_available) ? "yes" : "no"));
+    logger->log("Window manager available: %s",
+            ((vi->wm_available) ? "yes" : "no"));
+    logger->log("Accelerated hardware to hardware blits: %s",
+            ((vi->blit_hw) ? "yes" : "no"));
+    logger->log("Accelerated hardware to hardware colorkey blits: %s",
+            ((vi->blit_hw_CC) ? "yes" : "no"));
+    logger->log("Accelerated hardware to hardware alpha blits: %s",
+            ((vi->blit_hw_A) ? "yes" : "no"));
+    logger->log("Accelerated software to hardware blits: %s",
+            ((vi->blit_sw) ? "yes" : "no"));
+    logger->log("Accelerated software to hardware colorkey blits: %s",
+            ((vi->blit_sw_CC) ? "yes" : "no"));
+    logger->log("Accelerated software to hardware alpha blits: %s",
+            ((vi->blit_sw_A) ? "yes" : "no"));
+    logger->log("Accelerated color fills: %s",
+            ((vi->blit_fill) ? "yes" : "no"));
+#endif
+
+    return true;
+}
+
+bool Graphics::setFullscreen(const bool fs)
+{
+    if (mFullscreen == fs)
+        return true;
+
+    return setVideoMode(mWidth, mHeight, mBpp, fs, mHWAccel,
+        mEnableResize, mNoFrame);
+}
+
+bool Graphics::resizeScreen(const int width, const int height)
+{
+    if (mWidth == width && mHeight == height)
+        return true;
+
+#ifdef USE_SDL2
+    _endDraw();
+
+    mRect.w = width;
+    mRect.h = height;
+    mWidth = width;
+    mHeight = height;
+
+#ifdef USE_OPENGL
+    // +++ probably this way will not work in windows/mac
+    // Setup OpenGL
+    glViewport(0, 0, mWidth, mHeight);
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+#else
+    // +++ need impliment resize in soft mode
+#endif  // USE_OPENGL
+
+    _beginDraw();
+    return true;
+
+#else
+    const int prevWidth = mWidth;
+    const int prevHeight = mHeight;
+
+    _endDraw();
+
+    const bool success = setVideoMode(width, height, mBpp,
+        mFullscreen, mHWAccel, mEnableResize, mNoFrame);
+
+    // If it didn't work, try to restore the previous size. If that didn't
+    // work either, bail out (but then we're in deep trouble).
+    if (!success)
+    {
+        if (!setVideoMode(prevWidth, prevHeight, mBpp,
+            mFullscreen, mHWAccel, mEnableResize, mNoFrame))
+        {
+            return false;
+        }
+    }
+
+    _beginDraw();
+
+    return success;
+#endif  // USE_SDL2
+}
+
+int Graphics::getWidth() const
+{
+    return mWidth;
+}
+
+int Graphics::getHeight() const
+{
+    return mHeight;
+}
+
+bool Graphics::drawImage(const Image *image, int x, int y)
+{
+    if (image)
+    {
+        return drawImage2(image, 0, 0, x, y,
+            image->mBounds.w, image->mBounds.h, false);
+    }
+    else
+    {
+        return false;
+    }
+}
+
+void Graphics::drawImageRect(const int x, const int y,
+                             const int w, const int h,
+                             const Image *const topLeft,
+                             const Image *const topRight,
+                             const Image *const bottomLeft,
+                             const Image *const bottomRight,
+                             const Image *const top,
+                             const Image *const right,
+                             const Image *const bottom,
+                             const Image *const left,
+                             const Image *const center)
+{
+    BLOCK_START("Graphics::drawImageRect")
+    const bool drawMain = center && topLeft && topRight
+        && bottomLeft && bottomRight;
+
+    // Draw the center area
+    if (center && drawMain)
+    {
+        const int tlw = topLeft->getWidth();
+        const int tlh = topLeft->getHeight();
+        drawImagePattern(center, tlw + x, tlh + y,
+            w - tlw - topRight->getWidth(),
+            h - tlh - bottomLeft->getHeight());
+    }
+
+    // Draw the sides
+    if (top && left && bottom && right)
+    {
+        const int lw = left->getWidth();
+        const int rw = right->getWidth();
+        const int th = top->getHeight();
+        const int bh = bottom->getHeight();
+        drawImagePattern(top, x + lw, y, w - lw - rw, th);
+        drawImagePattern(bottom, x + lw, h - bh + y, w - lw - rw, bh);
+        drawImagePattern(left, x, y + th, lw, h - th - bh);
+        drawImagePattern(right, x + w - rw, th + y, rw, h - th - bh);
+    }
+    // Draw the corners
+    if (drawMain)
+    {
+        drawImage(topLeft, x, y);
+        drawImage(topRight, x + w - topRight->getWidth(), y);
+        drawImage(bottomLeft, x, h - bottomLeft->getHeight() + y);
+        drawImage(bottomRight,
+            x + w - bottomRight->getWidth(),
+            y + h - bottomRight->getHeight());
+    }
+    BLOCK_END("Graphics::drawImageRect")
+}
+
+void Graphics::drawImageRect(int x, int y, int w, int h,
+                             const ImageRect &imgRect)
+{
+    drawImageRect(x, y, w, h,
+            imgRect.grid[0], imgRect.grid[2], imgRect.grid[6], imgRect.grid[8],
+            imgRect.grid[1], imgRect.grid[5], imgRect.grid[7], imgRect.grid[3],
+            imgRect.grid[4]);
+}
+
+bool Graphics::drawNet(const int x1, const int y1, const int x2, const int y2,
+                       const int width, const int height)
+{
+    for (int y = y1; y < y2; y += height)
+        drawLine(x1, y, x2, y);
+
+    for (int x = x1; x < x2; x += width)
+        drawLine(x, y1, x, y2);
+
+    return true;
+}
+
+bool Graphics::calcImageRect(ImageVertexes *const vert,
+                             const int x, const int y,
+                             const int w, const int h,
+                             const Image *const topLeft,
+                             const Image *const topRight,
+                             const Image *const bottomLeft,
+                             const Image *const bottomRight,
+                             const Image *const top,
+                             const Image *const right,
+                             const Image *const bottom,
+                             const Image *const left,
+                             const Image *const center)
+{
+    if (!vert)
+        return false;
+
+    BLOCK_START("Graphics::calcImageRect")
+    const bool drawMain = center && topLeft && topRight
+        && bottomLeft && bottomRight;
+
+//    pushClipArea(gcn::Rectangle(x, y, w, h));
+
+    // Draw the center area
+    if (center && drawMain)
+    {
+        const int tlw = topLeft->getWidth();
+        const int tlh = topLeft->getHeight();
+        calcImagePattern(vert, center, tlw + x, tlh + y,
+            w - tlw - topRight->getWidth(),
+            h - tlh - bottomLeft->getHeight());
+    }
+    // Draw the sides
+    if (top && left && bottom && right)
+    {
+        const int lw = left->getWidth();
+        const int rw = right->getWidth();
+        const int th = top->getHeight();
+        const int bh = bottom->getHeight();
+        calcImagePattern(vert, top, x + lw, y, w - lw - rw, th);
+        calcImagePattern(vert, bottom, x + lw, y + h - bh, w - lw - rw, bh);
+        calcImagePattern(vert, left, x, y + th, lw, h - th - bh);
+        calcImagePattern(vert, right, x + w - rw, y + th, rw, h - th - bh);
+    }
+
+    calcTile(vert, topLeft, x, y);
+    if (topRight)
+        calcTile(vert, topRight, x + w - topRight->getWidth(), y);
+    if (bottomLeft)
+        calcTile(vert, bottomLeft, x, y + h - bottomLeft->getHeight());
+    if (bottomRight)
+    {
+        calcTile(vert, bottomRight, x + w - bottomRight->getWidth(),
+            y + h - bottomRight->getHeight());
+    }
+
+//    popClipArea();
+    BLOCK_END("Graphics::calcImageRect")
+    return 0;
+}