summaryrefslogtreecommitdiff
path: root/src/render/sdl2graphics.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/render/sdl2graphics.cpp')
-rw-r--r--src/render/sdl2graphics.cpp641
1 files changed, 641 insertions, 0 deletions
diff --git a/src/render/sdl2graphics.cpp b/src/render/sdl2graphics.cpp
new file mode 100644
index 000000000..218f2cad7
--- /dev/null
+++ b/src/render/sdl2graphics.cpp
@@ -0,0 +1,641 @@
+/*
+ * 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/>.
+ */
+
+#ifdef USE_SDL2
+
+#include "render/sdl2graphics.h"
+
+#include "main.h"
+
+#include "configuration.h"
+#include "graphicsmanager.h"
+#include "graphicsvertexes.h"
+#include "logger.h"
+
+#include "resources/imagehelper.h"
+#include "resources/sdl2imagehelper.h"
+
+#include <guichan/sdl/sdlpixel.hpp>
+
+#include "utils/sdlcheckutils.h"
+
+#include <SDL.h>
+
+#include "debug.h"
+
+#ifdef DEBUG_SDL_SURFACES
+
+#define MSDL_RenderCopy(render, texture, src, dst) \
+ FakeSDL_RenderCopy(render, texture, src, dst)
+
+static int FakeSDL_RenderCopy(SDL_Renderer *const renderer,
+ SDL_Texture *const texture,
+ const SDL_Rect *const srcrect,
+ const SDL_Rect *const dstrect)
+{
+ int ret = SDL_RenderCopy(renderer, texture, srcrect, dstrect);
+ if (ret)
+ {
+ logger->log("rendering error in texture %p: %s",
+ static_cast<void*>(texture), SDL_GetError());
+ }
+ return ret;
+}
+
+#else
+
+#define MSDL_RenderCopy(render, texture, src, dst) \
+ SDL_RenderCopy(render, texture, src, dst)
+
+#endif
+
+SDLGraphics::SDLGraphics() :
+ Graphics(),
+ mOldPixel(0),
+ mOldAlpha(0)
+{
+}
+
+SDLGraphics::~SDLGraphics()
+{
+}
+
+bool SDLGraphics::drawRescaledImage(const Image *const image,
+ int srcX, int srcY,
+ int dstX, int dstY,
+ const int width, const int height,
+ const int desiredWidth,
+ const int desiredHeight,
+ const bool useColor A_UNUSED)
+{
+ FUNC_BLOCK("Graphics::drawRescaledImage", 1)
+ // Check that preconditions for blitting are met.
+ if (!mWindow || !image)
+ return false;
+ if (!image->mTexture)
+ return false;
+
+ const gcn::ClipRectangle &top = mClipStack.top();
+ const SDL_Rect &bounds = image->mBounds;
+ const SDL_Rect srcRect =
+ {
+ static_cast<int32_t>(srcX + bounds.x),
+ static_cast<int32_t>(srcY + bounds.y),
+ static_cast<int32_t>(width),
+ static_cast<int32_t>(height)
+ };
+ const SDL_Rect dstRect =
+ {
+ static_cast<int32_t>(dstX + top.xOffset),
+ static_cast<int32_t>(dstY + top.yOffset),
+ static_cast<int32_t>(desiredWidth),
+ static_cast<int32_t>(desiredHeight)
+ };
+
+ return (MSDL_RenderCopy(mRenderer, image->mTexture,
+ &srcRect, &dstRect) < 0);
+}
+
+bool SDLGraphics::drawImage2(const Image *const image, int srcX, int srcY,
+ int dstX, int dstY, const int width,
+ const int height, const bool useColor A_UNUSED)
+{
+ FUNC_BLOCK("Graphics::drawImage2", 1)
+ // Check that preconditions for blitting are met.
+ if (!mWindow || !image || !image->mTexture)
+ return false;
+
+ const gcn::ClipRectangle &top = mClipStack.top();
+ if (!top.height)
+ return false;
+
+ const SDL_Rect &bounds = image->mBounds;
+ const SDL_Rect srcRect =
+ {
+ static_cast<int32_t>(srcX + bounds.x),
+ static_cast<int32_t>(srcY + bounds.y),
+ static_cast<int32_t>(width),
+ static_cast<int32_t>(height)
+ };
+
+ const SDL_Rect dstRect =
+ {
+ static_cast<int32_t>(dstX + top.xOffset),
+ static_cast<int32_t>(dstY + top.yOffset),
+ static_cast<int32_t>(width),
+ static_cast<int32_t>(height)
+ };
+
+ return !MSDL_RenderCopy(mRenderer, image->mTexture, &srcRect, &dstRect);
+}
+
+void SDLGraphics::drawImagePattern(const Image *const image,
+ const int x, const int y,
+ const int w, const int h)
+{
+ FUNC_BLOCK("Graphics::drawImagePattern", 1)
+ // Check that preconditions for blitting are met.
+ if (!mWindow || !image)
+ return;
+ if (!image->mTexture)
+ return;
+
+ const gcn::ClipRectangle &top = mClipStack.top();
+ if (!top.height)
+ return;
+
+ const SDL_Rect &bounds = image->mBounds;
+ const int iw = bounds.w;
+ const int ih = bounds.h;
+ if (iw == 0 || ih == 0)
+ return;
+
+ const int xOffset = top.xOffset + x;
+ const int yOffset = top.yOffset + y;
+
+ SDL_Rect dstRect;
+ SDL_Rect srcRect;
+ srcRect.x = static_cast<int32_t>(bounds.x);
+ srcRect.y = static_cast<int32_t>(bounds.y);
+ for (int py = 0; py < h; py += ih)
+ {
+ const int dh = (py + ih >= h) ? h - py : ih;
+ dstRect.y = static_cast<int32_t>(py + yOffset);
+ srcRect.h = static_cast<int32_t>(dh);
+ dstRect.h = static_cast<int32_t>(dh);
+
+ for (int px = 0; px < w; px += iw)
+ {
+ const int dw = (px + iw >= w) ? w - px : iw;
+ dstRect.x = static_cast<int32_t>(px + xOffset);
+ srcRect.w = static_cast<int32_t>(dw);
+ dstRect.w = static_cast<int32_t>(dw);
+
+ MSDL_RenderCopy(mRenderer, image->mTexture, &srcRect, &dstRect);
+ }
+ }
+}
+
+void SDLGraphics::drawRescaledImagePattern(const Image *const image,
+ const int x, const int y,
+ const int w, const int h,
+ const int scaledWidth,
+ const int scaledHeight)
+{
+ // Check that preconditions for blitting are met.
+ if (!mWindow || !image)
+ return;
+ if (!image->mTexture)
+ return;
+
+ if (scaledHeight == 0 || scaledWidth == 0)
+ return;
+
+ const gcn::ClipRectangle &top = mClipStack.top();
+ if (!top.height)
+ return;
+
+ Image *const tmpImage = image->SDLgetScaledImage(
+ scaledWidth, scaledHeight);
+ if (!tmpImage)
+ return;
+
+ const SDL_Rect &bounds = tmpImage->mBounds;
+ const int iw = bounds.w;
+ const int ih = bounds.h;
+ if (iw == 0 || ih == 0)
+ return;
+
+ const int xOffset = top.xOffset + x;
+ const int yOffset = top.yOffset + y;
+
+ SDL_Rect dstRect;
+ SDL_Rect srcRect;
+ srcRect.x = static_cast<int32_t>(bounds.x);
+ srcRect.y = static_cast<int32_t>(bounds.y);
+ for (int py = 0; py < h; py += ih)
+ {
+ const int dh = (py + ih >= h) ? h - py : ih;
+ dstRect.y = static_cast<int32_t>(py + yOffset);
+ srcRect.h = static_cast<int32_t>(dh);
+ dstRect.h = static_cast<int32_t>(dh);
+
+ for (int px = 0; px < w; px += iw)
+ {
+ const int dw = (px + iw >= w) ? w - px : iw;
+ dstRect.x = static_cast<int32_t>(px + xOffset);
+ srcRect.w = static_cast<int32_t>(dw);
+ dstRect.w = static_cast<int32_t>(dw);
+
+ MSDL_RenderCopy(mRenderer, image->mTexture, &srcRect, &dstRect);
+ }
+ }
+
+ delete tmpImage;
+}
+
+void SDLGraphics::calcImagePattern(ImageVertexes* const vert,
+ const Image *const image,
+ const int x, const int y,
+ const int w, const int h) const
+{
+ // Check that preconditions for blitting are met.
+ if (!vert || !mWindow || !image || !image->mTexture)
+ return;
+
+ const gcn::ClipRectangle &top = mClipStack.top();
+ if (!top.height)
+ return;
+
+ const SDL_Rect &bounds = image->mBounds;
+ const int iw = bounds.w;
+ const int ih = bounds.h;
+ if (iw == 0 || ih == 0)
+ return;
+
+ const int xOffset = top.xOffset + x;
+ const int yOffset = top.yOffset + y;
+ const int srcX = bounds.x;
+ const int srcY = bounds.y;
+ for (int py = 0; py < h; py += ih)
+ {
+ const int dh = (py + ih >= h) ? h - py : ih;
+ const int dstY = py + yOffset;
+
+ for (int px = 0; px < w; px += iw)
+ {
+ const int dw = (px + iw >= w) ? w - px : iw;
+ const int dstX = px + xOffset;
+
+ DoubleRect *const r = new DoubleRect();
+ SDL_Rect &dstRect = r->dst;
+ SDL_Rect &srcRect = r->src;
+ srcRect.x = static_cast<int32_t>(srcX);
+ srcRect.y = static_cast<int32_t>(srcY);
+ srcRect.w = static_cast<int32_t>(dw);
+ srcRect.h = static_cast<int32_t>(dh);
+ dstRect.x = static_cast<int32_t>(dstX);
+ dstRect.y = static_cast<int32_t>(dstY);
+ dstRect.w = static_cast<int32_t>(dw);
+ dstRect.h = static_cast<int32_t>(dh);
+
+ vert->sdl.push_back(r);
+ }
+ }
+}
+
+void SDLGraphics::calcImagePattern(ImageCollection* const vertCol,
+ const Image *const image,
+ const int x, const int y,
+ const int w, const int h) const
+{
+ ImageVertexes *vert = nullptr;
+ if (vertCol->currentImage != image)
+ {
+ vert = new ImageVertexes();
+ vertCol->currentImage = image;
+ vertCol->currentVert = vert;
+ vert->image = image;
+ vertCol->draws.push_back(vert);
+ }
+ else
+ {
+ vert = vertCol->currentVert;
+ }
+
+ calcImagePattern(vert, image, x, y, w, h);
+}
+
+void SDLGraphics::calcTile(ImageVertexes *const vert,
+ const Image *const image,
+ int x, int y) const
+{
+ vert->image = image;
+ calcTileSDL(vert, x, y);
+}
+
+void SDLGraphics::calcTileSDL(ImageVertexes *const vert, int x, int y) const
+{
+ // Check that preconditions for blitting are met.
+ if (!vert || !vert->image || !vert->image->mTexture)
+ return;
+
+ const gcn::ClipRectangle &top = mClipStack.top();
+ if (!top.height)
+ return;
+
+ const Image *const image = vert->image;
+ const SDL_Rect &bounds = image->mBounds;
+
+ x += top.xOffset;
+ y += top.yOffset;
+
+ DoubleRect *rect = new DoubleRect();
+ SDL_Rect &dstRect = rect->dst;
+ SDL_Rect &srcRect = rect->src;
+
+ srcRect.x = static_cast<int32_t>(bounds.x);
+ srcRect.y = static_cast<int32_t>(bounds.y);
+ srcRect.w = static_cast<int32_t>(bounds.w);
+ srcRect.h = static_cast<int32_t>(bounds.h);
+ dstRect.x = static_cast<int32_t>(x);
+ dstRect.y = static_cast<int32_t>(y);
+ dstRect.w = static_cast<int32_t>(bounds.w);
+ dstRect.h = static_cast<int32_t>(bounds.h);
+
+ vert->sdl.push_back(rect);
+}
+
+void SDLGraphics::calcTile(ImageCollection *const vertCol,
+ const Image *const image,
+ int x, int y)
+{
+ if (vertCol->currentImage != image)
+ {
+ ImageVertexes *const vert = new ImageVertexes();
+ vertCol->currentImage = image;
+ vertCol->currentVert = vert;
+ vert->image = image;
+ vertCol->draws.push_back(vert);
+ calcTileSDL(vert, x, y);
+ }
+ else
+ {
+ calcTileSDL(vertCol->currentVert, x, y);
+ }
+}
+
+void SDLGraphics::drawTile(const ImageCollection *const vertCol)
+{
+ const ImageVertexesVector &draws = vertCol->draws;
+ const ImageCollectionCIter it_end = draws.end();
+ for (ImageCollectionCIter it = draws.begin(); it != it_end; ++ it)
+ {
+ const ImageVertexes *const vert = *it;
+ const Image *const img = vert->image;
+ const DoubleRects *const rects = &vert->sdl;
+ DoubleRects::const_iterator it2 = rects->begin();
+ const DoubleRects::const_iterator it2_end = rects->end();
+ while (it2 != it2_end)
+ {
+ MSDL_RenderCopy(mRenderer, img->mTexture,
+ &(*it2)->src, &(*it2)->dst);
+ ++ it2;
+ }
+ }
+}
+
+void SDLGraphics::drawTile(const ImageVertexes *const vert)
+{
+ // vert and img must be != 0
+ const Image *const img = vert->image;
+ const DoubleRects *const rects = &vert->sdl;
+ DoubleRects::const_iterator it = rects->begin();
+ const DoubleRects::const_iterator it_end = rects->end();
+ while (it != it_end)
+ {
+ MSDL_RenderCopy(mRenderer, img->mTexture, &(*it)->src, &(*it)->dst);
+ ++ it;
+ }
+}
+
+void SDLGraphics::updateScreen()
+{
+ BLOCK_START("Graphics::updateScreen")
+ SDL_RenderPresent(mRenderer);
+// SDL_RenderClear(mRenderer);
+ BLOCK_END("Graphics::updateScreen")
+}
+
+SDL_Surface *SDLGraphics::getScreenshot()
+{
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const int rmask = 0xff000000;
+ const int gmask = 0x00ff0000;
+ const int bmask = 0x0000ff00;
+#else
+ const int rmask = 0x000000ff;
+ const int gmask = 0x0000ff00;
+ const int bmask = 0x00ff0000;
+#endif
+ const int amask = 0x00000000;
+
+ SDL_Surface *const screenshot = MSDL_CreateRGBSurface(SDL_SWSURFACE,
+ mRect.w, mRect.h, 24, rmask, gmask, bmask, amask);
+
+// if (screenshot)
+// SDL_BlitSurface(mWindow, nullptr, screenshot, nullptr);
+
+ return screenshot;
+}
+
+bool SDLGraphics::drawNet(const int x1, const int y1,
+ const int x2, const int y2,
+ const int width, const int height)
+{
+ // +++ need use SDL_RenderDrawLines
+ 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 SDLGraphics::calcWindow(ImageCollection *const vertCol,
+ const int x, const int y,
+ const int w, const int h,
+ const ImageRect &imgRect)
+{
+ ImageVertexes *vert = nullptr;
+ Image *const image = imgRect.grid[4];
+ if (vertCol->currentImage != image)
+ {
+ vert = new ImageVertexes();
+ vertCol->currentImage = image;
+ vertCol->currentVert = vert;
+ vert->image = image;
+ vertCol->draws.push_back(vert);
+ }
+ else
+ {
+ vert = vertCol->currentVert;
+ }
+
+ const Image *const *const grid = &imgRect.grid[0];
+ return calcImageRect(vert, x, y, w, h,
+ grid[0], grid[2], grid[6], grid[8],
+ grid[1], grid[5], grid[7], grid[3],
+ grid[4]);
+}
+
+void SDLGraphics::fillRectangle(const gcn::Rectangle &rectangle)
+{
+ const gcn::ClipRectangle &top = mClipStack.top();
+ const SDL_Rect rect =
+ {
+ static_cast<int32_t>(rectangle.x + top.xOffset),
+ static_cast<int32_t>(rectangle.y + top.yOffset),
+ static_cast<int32_t>(rectangle.width),
+ static_cast<int32_t>(rectangle.height)
+ };
+
+ SDL_SetRenderDrawColor(mRenderer, mColor.r, mColor.g, mColor.b, mColor.a);
+ SDL_RenderFillRects(mRenderer, &rect, 1);
+}
+
+void SDLGraphics::_beginDraw()
+{
+ pushClipArea(gcn::Rectangle(0, 0, mRect.w, mRect.h));
+}
+
+void SDLGraphics::_endDraw()
+{
+ popClipArea();
+}
+
+bool SDLGraphics::pushClipArea(gcn::Rectangle area)
+{
+ const bool result = gcn::Graphics::pushClipArea(area);
+
+ const gcn::ClipRectangle &carea = mClipStack.top();
+ const SDL_Rect rect =
+ {
+ static_cast<int32_t>(carea.x),
+ static_cast<int32_t>(carea.y),
+ static_cast<int32_t>(carea.width),
+ static_cast<int32_t>(carea.height)
+ };
+ SDL_RenderSetClipRect(mRenderer, &rect);
+ return result;
+}
+
+void SDLGraphics::popClipArea()
+{
+ gcn::Graphics::popClipArea();
+
+ if (mClipStack.empty())
+ return;
+
+ const gcn::ClipRectangle &carea = mClipStack.top();
+ const SDL_Rect rect =
+ {
+ static_cast<int32_t>(carea.x),
+ static_cast<int32_t>(carea.y),
+ static_cast<int32_t>(carea.width),
+ static_cast<int32_t>(carea.height)
+ };
+
+ SDL_RenderSetClipRect(mRenderer, &rect);
+}
+
+void SDLGraphics::drawPoint(int x, int y)
+{
+ if (mClipStack.empty())
+ return;
+
+ const gcn::ClipRectangle &top = mClipStack.top();
+
+ x += top.xOffset;
+ y += top.yOffset;
+
+ if (!top.isPointInRect(x, y))
+ return;
+
+ SDL_SetRenderDrawColor(mRenderer, mColor.r, mColor.g, mColor.b, mColor.a);
+ const SDL_Point point =
+ {
+ x,
+ y
+ };
+
+ SDL_RenderDrawPoints(mRenderer, &point, 1);
+}
+
+
+void SDLGraphics::drawRectangle(const gcn::Rectangle &rectangle)
+{
+ const gcn::ClipRectangle &top = mClipStack.top();
+
+ SDL_SetRenderDrawColor(mRenderer, mColor.r, mColor.g, mColor.b, mColor.a);
+
+ const int x1 = rectangle.x + top.xOffset;
+ const int y1 = rectangle.y + top.yOffset;
+ const int x2 = x1 + rectangle.width - 1;
+ const int y2 = y1 + rectangle.height - 1;
+ SDL_Point points[] =
+ {
+ {x1, y1},
+ {x2, y1},
+ {x2, y2},
+ {x1, y2},
+ {x1, y1}
+ };
+
+ SDL_RenderDrawLines(mRenderer, points, 5);
+}
+
+void SDLGraphics::drawLine(int x1, int y1, int x2, int y2)
+{
+ const gcn::ClipRectangle &top = mClipStack.top();
+
+ SDL_SetRenderDrawColor(mRenderer, mColor.r, mColor.g, mColor.b, mColor.a);
+
+ const int x0 = top.xOffset;
+ const int y0 = top.yOffset;
+
+ SDL_Point points[] =
+ {
+ {x1 + x0, y1 + y0},
+ {x2 + x0, y2 + y0}
+ };
+
+ SDL_RenderDrawLines(mRenderer, points, 2);
+}
+
+bool SDLGraphics::setVideoMode(const int w, const int h, const int bpp,
+ const bool fs, const bool hwaccel,
+ const bool resize, const bool noFrame)
+{
+ setMainFlags(w, h, bpp, fs, hwaccel, resize, noFrame);
+
+ if (!(mWindow = graphicsManager.createWindow(w, h, bpp,
+ getSoftwareFlags())))
+ {
+ mRect.w = 0;
+ mRect.h = 0;
+ return false;
+ }
+
+ int w1 = 0;
+ int h1 = 0;
+ SDL_GetWindowSize(mWindow, &w1, &h1);
+ mRect.w = w1;
+ mRect.h = h1;
+
+ mRenderer = graphicsManager.createRenderer(mWindow, SDL_RENDERER_SOFTWARE);
+ SDLImageHelper::setRenderer(mRenderer);
+ return videoInfo();
+}
+
+#endif // USE_SDL2
generated by cgit v1.2.3-60-g2f50 (git 2.42.0) at 2024-07-08 07:05:54 +0000