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authorAndrei Karas <akaras@inbox.ru>2014-06-08 01:36:38 +0300
committerAndrei Karas <akaras@inbox.ru>2014-06-08 01:36:38 +0300
commite05655679e7bd9488c31169ece3d404fd9160c8d (patch)
tree1389938ad33bced4a978ce4faee9284cf99994ff /src/render/modernopenglgraphics.cpp
parent410dd6c3d845cc0e19fd678090d95669bdeb5885 (diff)
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copy mobileopengl into modernopengl.
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-rw-r--r--src/render/modernopenglgraphics.cpp1362
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diff --git a/src/render/modernopenglgraphics.cpp b/src/render/modernopenglgraphics.cpp
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+++ b/src/render/modernopenglgraphics.cpp
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+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2014 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 "main.h"
+
+#ifdef USE_OPENGL
+
+#include "render/modernopenglgraphics.h"
+
+#include "configuration.h"
+#include "graphicsmanager.h"
+#include "graphicsvertexes.h"
+#include "logger.h"
+
+#include "render/mgl.h"
+
+#include "resources/image.h"
+#include "resources/imagerect.h"
+#include "resources/openglimagehelper.h"
+
+#include "utils/sdlcheckutils.h"
+
+#include "debug.h"
+
+#define vertFill2D(tVar, vVar, x1, y1, x2, y2, dstX, dstY, w, h) \
+ tVar[vp + 0] = x1; \
+ tVar[vp + 1] = y1; \
+ tVar[vp + 2] = x2; \
+ tVar[vp + 3] = y1; \
+ tVar[vp + 4] = x2; \
+ tVar[vp + 5] = y2; \
+ tVar[vp + 6] = x1; \
+ tVar[vp + 7] = y1; \
+ tVar[vp + 8] = x1; \
+ tVar[vp + 9] = y2; \
+ tVar[vp + 10] = x2; \
+ tVar[vp + 11] = y2; \
+ vVar[vp + 0] = static_cast<GLshort>(dstX); \
+ vVar[vp + 1] = static_cast<GLshort>(dstY); \
+ vVar[vp + 2] = static_cast<GLshort>(dstX + w); \
+ vVar[vp + 3] = static_cast<GLshort>(dstY); \
+ vVar[vp + 4] = static_cast<GLshort>(dstX + w); \
+ vVar[vp + 5] = static_cast<GLshort>(dstY + h); \
+ vVar[vp + 6] = static_cast<GLshort>(dstX); \
+ vVar[vp + 7] = static_cast<GLshort>(dstY); \
+ vVar[vp + 8] = static_cast<GLshort>(dstX); \
+ vVar[vp + 9] = static_cast<GLshort>(dstY + h); \
+ vVar[vp + 10] = static_cast<GLshort>(dstX + w); \
+ vVar[vp + 11] = static_cast<GLshort>(dstY + h);
+
+GLuint ModernOpenGLGraphics::mLastImage = 0;
+#ifdef DEBUG_DRAW_CALLS
+unsigned int ModernOpenGLGraphics::mDrawCalls = 0;
+unsigned int ModernOpenGLGraphics::mLastDrawCalls = 0;
+#endif
+
+ModernOpenGLGraphics::ModernOpenGLGraphics() :
+ mFloatTexArray(nullptr),
+ mShortVertArray(nullptr),
+ mFloatTexArrayCached(nullptr),
+ mShortVertArrayCached(nullptr),
+ mAlphaCached(1.0F),
+ mVpCached(0),
+ mTexture(false),
+ mIsByteColor(false),
+ mByteColor(),
+ mImageCached(0),
+ mFloatColor(1.0F),
+ mMaxVertices(500),
+ mColorAlpha(false),
+#ifdef DEBUG_BIND_TEXTURE
+ mOldTexture(),
+ mOldTextureId(0),
+#endif
+ mFbo()
+{
+ mOpenGL = RENDER_MODERN_OPENGL;
+ mName = "modern OpenGL";
+}
+
+ModernOpenGLGraphics::~ModernOpenGLGraphics()
+{
+ deleteArraysInternal();
+}
+
+void ModernOpenGLGraphics::initArrays(const int vertCount)
+{
+ mMaxVertices = vertCount;
+ if (mMaxVertices < 500)
+ mMaxVertices = 500;
+ else if (mMaxVertices > 1024)
+ mMaxVertices = 1024;
+
+ // need alocate small size, after if limit reached reallocate to double size
+ const size_t sz = mMaxVertices * 4 + 30;
+ vertexBufSize = mMaxVertices;
+ if (!mFloatTexArray)
+ mFloatTexArray = new GLfloat[sz];
+ if (!mShortVertArray)
+ mShortVertArray = new GLshort[sz];
+ if (!mFloatTexArrayCached)
+ mFloatTexArrayCached = new GLfloat[sz];
+ if (!mShortVertArrayCached)
+ mShortVertArrayCached = new GLshort[sz];
+}
+
+void ModernOpenGLGraphics::deleteArrays()
+{
+ deleteArraysInternal();
+}
+
+void ModernOpenGLGraphics::deleteArraysInternal()
+{
+ delete [] mFloatTexArray;
+ mFloatTexArray = nullptr;
+ delete [] mShortVertArray;
+ mShortVertArray = nullptr;
+ delete [] mFloatTexArrayCached;
+ mFloatTexArrayCached = nullptr;
+ delete [] mShortVertArrayCached;
+ mShortVertArrayCached = nullptr;
+}
+
+bool ModernOpenGLGraphics::setVideoMode(const int w, const int h,
+ const int scale,
+ const int bpp,
+ const bool fs,
+ const bool hwaccel,
+ const bool resize,
+ const bool noFrame)
+{
+ setMainFlags(w, h, scale, bpp, fs, hwaccel, resize, noFrame);
+
+ return setOpenGLMode();
+}
+
+static inline void drawQuad(const Image *const image,
+ const int srcX, const int srcY,
+ const int dstX, const int dstY,
+ const int width, const int height)
+{
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+ {
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+ // Find OpenGL normalized texture coordinates.
+ const float texX1 = static_cast<float>(srcX) / tw;
+ const float texY1 = static_cast<float>(srcY) / th;
+ const float texX2 = static_cast<float>(srcX + width) / tw;
+ const float texY2 = static_cast<float>(srcY + height) / th;
+
+ GLfloat tex[] =
+ {
+ texX1, texY1,
+ texX2, texY1,
+ texX1, texY2,
+ texX2, texY2
+ };
+
+ GLshort vert[] =
+ {
+ static_cast<GLshort>(dstX), static_cast<GLshort>(dstY),
+ static_cast<GLshort>(dstX + width), static_cast<GLshort>(dstY),
+ static_cast<GLshort>(dstX), static_cast<GLshort>(dstY + height),
+ static_cast<GLshort>(dstX + width),
+ static_cast<GLshort>(dstY + height)
+ };
+
+ glVertexPointer(2, GL_SHORT, 0, &vert);
+ glTexCoordPointer(2, GL_FLOAT, 0, &tex);
+
+#ifdef DEBUG_DRAW_CALLS
+ ModernOpenGLGraphics::mDrawCalls ++;
+#endif
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ }
+}
+
+static inline void drawRescaledQuad(const Image *const image,
+ const int srcX, const int srcY,
+ const int dstX, const int dstY,
+ const int width, const int height,
+ const int desiredWidth,
+ const int desiredHeight)
+{
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+ {
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+ // Find OpenGL normalized texture coordinates.
+ const float texX1 = static_cast<float>(srcX) / tw;
+ const float texY1 = static_cast<float>(srcY) / th;
+ const float texX2 = static_cast<float>(srcX + width) / tw;
+ const float texY2 = static_cast<float>(srcY + height) / th;
+
+ GLfloat tex[] =
+ {
+ texX1, texY1,
+ texX2, texY1,
+ texX1, texY2,
+ texX2, texY2
+ };
+
+ GLshort vert[] =
+ {
+ static_cast<GLshort>(dstX), static_cast<GLshort>(dstY),
+ static_cast<GLshort>(dstX + desiredWidth),
+ static_cast<GLshort>(dstY),
+ static_cast<GLshort>(dstX), static_cast<GLshort>(
+ dstY + desiredHeight),
+ static_cast<GLshort>(dstX + desiredWidth),
+ static_cast<GLshort>(dstY + desiredHeight)
+ };
+ glVertexPointer(2, GL_SHORT, 0, &vert);
+ glTexCoordPointer(2, GL_FLOAT, 0, &tex);
+
+#ifdef DEBUG_DRAW_CALLS
+ ModernOpenGLGraphics::mDrawCalls ++;
+#endif
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ }
+}
+
+bool ModernOpenGLGraphics::drawImage(const Image *const image,
+ int dstX, int dstY)
+{
+ return drawImageInline(image, dstX, dstY);
+}
+
+bool ModernOpenGLGraphics::drawImageInline(const Image *const image,
+ int dstX, int dstY)
+{
+ FUNC_BLOCK("Graphics::drawImage", 1)
+ if (!image)
+ return false;
+
+ setColorAlpha(image->mAlpha);
+#ifdef DEBUG_BIND_TEXTURE
+ debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
+ setTexturingAndBlending(true);
+
+ const SDL_Rect &imageRect = image->mBounds;
+ drawQuad(image, imageRect.x, imageRect.y,
+ dstX, dstY, imageRect.w, imageRect.h);
+
+ return true;
+}
+
+void ModernOpenGLGraphics::drawImageCached(const Image *const image,
+ int x, int y)
+{
+ if (!image)
+ return;
+
+ if (image->mGLImage != mImageCached)
+ {
+ completeCache();
+ mImageCached = image->mGLImage;
+ mAlphaCached = image->mAlpha;
+ }
+
+ const SDL_Rect &imageRect = image->mBounds;
+ const int srcX = imageRect.x;
+ const int srcY = imageRect.y;
+ const int w = imageRect.w;
+ const int h = imageRect.h;
+
+ if (w == 0 || h == 0)
+ return;
+
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+
+ const unsigned int vLimit = mMaxVertices * 4;
+
+ unsigned int vp = mVpCached;
+
+ // Draw a set of textured rectangles
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+ {
+ float texX1 = static_cast<float>(srcX) / tw;
+ float texY1 = static_cast<float>(srcY) / th;
+ float texX2 = static_cast<float>(srcX + w) / tw;
+ float texY2 = static_cast<float>(srcY + h) / th;
+
+ vertFill2D(mFloatTexArrayCached, mShortVertArrayCached,
+ texX1, texY1, texX2, texY2,
+ x, y, w, h);
+
+ vp += 12;
+ if (vp >= vLimit)
+ {
+ completeCache();
+ vp = 0;
+ }
+ else
+ {
+ mVpCached = vp;
+ }
+ }
+}
+
+void ModernOpenGLGraphics::drawPatternCached(const Image *const image,
+ const int x, const int y,
+ const int w, const int h)
+{
+ if (!image)
+ return;
+
+ if (image->mGLImage != mImageCached)
+ {
+ completeCache();
+ mImageCached = image->mGLImage;
+ }
+
+ const SDL_Rect &imageRect = image->mBounds;
+ const int srcX = imageRect.x;
+ const int srcY = imageRect.y;
+ const int iw = imageRect.w;
+ const int ih = imageRect.h;
+
+ if (iw == 0 || ih == 0)
+ return;
+
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+
+ unsigned int vp = mVpCached;
+ const unsigned int vLimit = mMaxVertices * 4;
+ // Draw a set of textured rectangles
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+// {
+ const float texX1 = static_cast<float>(srcX) / tw;
+ const float texY1 = static_cast<float>(srcY) / th;
+
+ for (int py = 0; py < h; py += ih)
+ {
+ const int height = (py + ih >= h) ? h - py : ih;
+ const float texY2 = static_cast<float>(srcY + height) / th;
+ const int dstY = y + py;
+ for (int px = 0; px < w; px += iw)
+ {
+ const int width = (px + iw >= w) ? w - px : iw;
+ const int dstX = x + px;
+
+ const float texX2 = static_cast<float>(srcX + width) / tw;
+
+ vertFill2D(mFloatTexArrayCached, mShortVertArrayCached,
+ texX1, texY1, texX2, texY2,
+ dstX, dstY, width, height);
+
+ vp += 12;
+ if (vp >= vLimit)
+ {
+ completeCache();
+ vp = 0;
+ }
+ }
+ }
+// }
+ mVpCached = vp;
+}
+
+void ModernOpenGLGraphics::completeCache()
+{
+ if (!mImageCached)
+ return;
+
+ setColorAlpha(mAlphaCached);
+#ifdef DEBUG_BIND_TEXTURE
+// debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, mImageCached);
+ setTexturingAndBlending(true);
+
+ drawTriangleArrayfsCached(mVpCached);
+ mImageCached = 0;
+ mVpCached = 0;
+}
+
+bool ModernOpenGLGraphics::drawRescaledImage(const Image *const image,
+ int dstX, int dstY,
+ const int desiredWidth,
+ const int desiredHeight)
+{
+ FUNC_BLOCK("Graphics::drawRescaledImage", 1)
+ if (!image)
+ return false;
+
+ const SDL_Rect &imageRect = image->mBounds;
+
+ // Just draw the image normally when no resizing is necessary,
+ if (imageRect.w == desiredWidth && imageRect.h == desiredHeight)
+ return drawImageInline(image, dstX, dstY);
+
+ setColorAlpha(image->mAlpha);
+#ifdef DEBUG_BIND_TEXTURE
+ debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
+ setTexturingAndBlending(true);
+
+ // Draw a textured quad.
+ drawRescaledQuad(image, imageRect.x, imageRect.y, dstX, dstY,
+ imageRect.w, imageRect.h, desiredWidth, desiredHeight);
+
+ return true;
+}
+
+void ModernOpenGLGraphics::drawPattern(const Image *const image,
+ const int x, const int y,
+ const int w, const int h)
+{
+ drawPatternInline(image, x, y, w, h);
+}
+
+void ModernOpenGLGraphics::drawPatternInline(const Image *const image,
+ const int x, const int y,
+ const int w, const int h)
+{
+ FUNC_BLOCK("Graphics::drawPattern", 1)
+ if (!image)
+ return;
+
+ const SDL_Rect &imageRect = image->mBounds;
+ const int srcX = imageRect.x;
+ const int srcY = imageRect.y;
+ const int iw = imageRect.w;
+ const int ih = imageRect.h;
+
+ if (iw == 0 || ih == 0)
+ return;
+
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+
+ setColorAlpha(image->mAlpha);
+
+#ifdef DEBUG_BIND_TEXTURE
+ debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
+
+ setTexturingAndBlending(true);
+
+ unsigned int vp = 0;
+ const unsigned int vLimit = mMaxVertices * 4;
+ // Draw a set of textured rectangles
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+// {
+ const float texX1 = static_cast<float>(srcX) / tw;
+ const float texY1 = static_cast<float>(srcY) / th;
+
+ for (int py = 0; py < h; py += ih)
+ {
+ const int height = (py + ih >= h) ? h - py : ih;
+ const float texY2 = static_cast<float>(srcY + height) / th;
+ const int dstY = y + py;
+ for (int px = 0; px < w; px += iw)
+ {
+ const int width = (px + iw >= w) ? w - px : iw;
+ const int dstX = x + px;
+
+ const float texX2 = static_cast<float>(srcX + width) / tw;
+
+ vertFill2D(mFloatTexArray, mShortVertArray,
+ texX1, texY1, texX2, texY2,
+ dstX, dstY, width, height);
+
+ vp += 12;
+ if (vp >= vLimit)
+ {
+ drawTriangleArrayfs(vp);
+ vp = 0;
+ }
+ }
+ }
+ if (vp > 0)
+ drawTriangleArrayfs(vp);
+// }
+}
+
+void ModernOpenGLGraphics::drawRescaledPattern(const Image *const image,
+ const int x, const int y,
+ const int w, const int h,
+ const int scaledWidth,
+ const int scaledHeight)
+{
+ if (!image)
+ return;
+
+ if (scaledWidth == 0 || scaledHeight == 0)
+ return;
+
+ const SDL_Rect &imageRect = image->mBounds;
+ const int srcX = imageRect.x;
+ const int srcY = imageRect.y;
+ const int iw = imageRect.w;
+ const int ih = imageRect.h;
+ if (iw == 0 || ih == 0)
+ return;
+
+ setColorAlpha(image->mAlpha);
+
+#ifdef DEBUG_BIND_TEXTURE
+ debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
+
+ setTexturingAndBlending(true);
+
+ unsigned int vp = 0;
+ const unsigned int vLimit = mMaxVertices * 4;
+
+ // Draw a set of textured rectangles
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+// {
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+
+ const float texX1 = static_cast<float>(srcX) / tw;
+ const float texY1 = static_cast<float>(srcY) / th;
+
+ const float tFractionW = iw / tw;
+ const float tFractionH = ih / th;
+
+ for (int py = 0; py < h; py += scaledHeight)
+ {
+ const int height = (py + scaledHeight >= h)
+ ? h - py : scaledHeight;
+ const int dstY = y + py;
+ const float visibleFractionH = static_cast<float>(height)
+ / scaledHeight;
+ const float texY2 = texY1 + tFractionH * visibleFractionH;
+ for (int px = 0; px < w; px += scaledWidth)
+ {
+ const int width = (px + scaledWidth >= w)
+ ? w - px : scaledWidth;
+ const int dstX = x + px;
+ const float visibleFractionW = static_cast<float>(width)
+ / scaledWidth;
+ const float texX2 = texX1 + tFractionW * visibleFractionW;
+
+ vertFill2D(mFloatTexArray, mShortVertArray,
+ texX1, texY1, texX2, texY2,
+ dstX, dstY, width, height);
+
+ vp += 12;
+ if (vp >= vLimit)
+ {
+ drawTriangleArrayfs(vp);
+ vp = 0;
+ }
+ }
+ }
+ if (vp > 0)
+ drawTriangleArrayfs(vp);
+// }
+}
+
+inline void ModernOpenGLGraphics::drawVertexes(const
+ NormalOpenGLGraphicsVertexes
+ &ogl)
+{
+ const std::vector<GLshort*> &shortVertPool = ogl.mShortVertPool;
+ std::vector<GLshort*>::const_iterator iv;
+ const std::vector<GLshort*>::const_iterator iv_end = shortVertPool.end();
+ const std::vector<int> &vp = ogl.mVp;
+ std::vector<int>::const_iterator ivp;
+ const std::vector<int>::const_iterator ivp_end = vp.end();
+
+ // Draw a set of textured rectangles
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+ {
+ const std::vector<GLfloat*> &floatTexPool = ogl.mFloatTexPool;
+ std::vector<GLfloat*>::const_iterator ft;
+ const std::vector<GLfloat*>::const_iterator
+ ft_end = floatTexPool.end();
+
+ for (iv = shortVertPool.begin(), ft = floatTexPool.begin(),
+ ivp = vp.begin();
+ iv != iv_end && ft != ft_end && ivp != ivp_end;
+ ++ iv, ++ ft, ++ ivp)
+ {
+ drawTriangleArrayfs(*iv, *ft, *ivp);
+ }
+ }
+}
+
+void ModernOpenGLGraphics::calcPattern(ImageVertexes *const vert,
+ const Image *const image,
+ const int x, const int y,
+ const int w, const int h) const
+{
+ calcPatternInline(vert, image, x, y, w, h);
+}
+
+void ModernOpenGLGraphics::calcPatternInline(ImageVertexes *const vert,
+ const Image *const image,
+ const int x, const int y,
+ const int w, const int h) const
+{
+ if (!image || !vert)
+ return;
+
+ const SDL_Rect &imageRect = image->mBounds;
+ const int srcX = imageRect.x;
+ const int srcY = imageRect.y;
+ const int iw = imageRect.w;
+ const int ih = imageRect.h;
+
+ if (iw == 0 || ih == 0)
+ return;
+
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+
+ const unsigned int vLimit = mMaxVertices * 4;
+
+ NormalOpenGLGraphicsVertexes &ogl = vert->ogl;
+ unsigned int vp = ogl.continueVp();
+
+ // Draw a set of textured rectangles
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+ {
+ const float texX1 = static_cast<float>(srcX) / tw;
+ const float texY1 = static_cast<float>(srcY) / th;
+
+ GLfloat *floatTexArray = ogl.continueFloatTexArray();
+ GLshort *shortVertArray = ogl.continueShortVertArray();
+
+ for (int py = 0; py < h; py += ih)
+ {
+ const int height = (py + ih >= h) ? h - py : ih;
+ const int dstY = y + py;
+ const float texY2 = static_cast<float>(srcY + height) / th;
+ for (int px = 0; px < w; px += iw)
+ {
+ const int width = (px + iw >= w) ? w - px : iw;
+ const int dstX = x + px;
+ const float texX2 = static_cast<float>(srcX + width) / tw;
+
+ vertFill2D(floatTexArray, shortVertArray,
+ texX1, texY1, texX2, texY2,
+ dstX, dstY, width, height);
+
+ vp += 12;
+ if (vp >= vLimit)
+ {
+ floatTexArray = ogl.switchFloatTexArray();
+ shortVertArray = ogl.switchShortVertArray();
+ ogl.switchVp(vp);
+ vp = 0;
+ }
+ }
+ }
+ }
+ ogl.switchVp(vp);
+}
+
+void ModernOpenGLGraphics::calcTileCollection(ImageCollection *const vertCol,
+ const Image *const image,
+ int x, int y)
+{
+ if (vertCol->currentGLImage != image->mGLImage)
+ {
+ ImageVertexes *const vert = new ImageVertexes();
+ vertCol->currentGLImage = image->mGLImage;
+ vertCol->currentVert = vert;
+ vert->image = image;
+ vertCol->draws.push_back(vert);
+ calcTileVertexesInline(vert, image, x, y);
+ }
+ else
+ {
+ calcTileVertexesInline(vertCol->currentVert, image, x, y);
+ }
+}
+
+void ModernOpenGLGraphics::drawTileCollection(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 image = vert->image;
+
+ setColorAlpha(image->mAlpha);
+#ifdef DEBUG_BIND_TEXTURE
+ debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
+ setTexturingAndBlending(true);
+ drawVertexes(vert->ogl);
+ }
+}
+
+void ModernOpenGLGraphics::calcPattern(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->currentGLImage != image->mGLImage)
+ {
+ vert = new ImageVertexes();
+ vertCol->currentGLImage = image->mGLImage;
+ vertCol->currentVert = vert;
+ vert->image = image;
+ vertCol->draws.push_back(vert);
+ }
+ else
+ {
+ vert = vertCol->currentVert;
+ }
+
+ calcPatternInline(vert, image, x, y, w, h);
+}
+
+void ModernOpenGLGraphics::calcTileVertexes(ImageVertexes *const vert,
+ const Image *const image,
+ int dstX, int dstY) const
+{
+ calcTileVertexesInline(vert, image, dstX, dstY);
+}
+
+void ModernOpenGLGraphics::calcTileVertexesInline(ImageVertexes *const vert,
+ const Image *const image,
+ int dstX, int dstY) const
+{
+ if (!vert || !image)
+ return;
+
+ const SDL_Rect &imageRect = image->mBounds;
+ const int srcX = imageRect.x;
+ const int srcY = imageRect.y;
+ const int w = imageRect.w;
+ const int h = imageRect.h;
+
+ if (w == 0 || h == 0)
+ return;
+
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+
+ const unsigned int vLimit = mMaxVertices * 4;
+
+ NormalOpenGLGraphicsVertexes &ogl = vert->ogl;
+
+// std::vector<int> *vps = ogl.getVp();
+ unsigned int vp = ogl.continueVp();
+
+ // Draw a set of textured rectangles
+// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
+ {
+ float texX1 = static_cast<float>(srcX) / tw;
+ float texY1 = static_cast<float>(srcY) / th;
+ float texX2 = static_cast<float>(srcX + w) / tw;
+ float texY2 = static_cast<float>(srcY + h) / th;
+
+ GLfloat *const floatTexArray = ogl.continueFloatTexArray();
+ GLshort *const shortVertArray = ogl.continueShortVertArray();
+
+ vertFill2D(floatTexArray, shortVertArray,
+ texX1, texY1, texX2, texY2,
+ dstX, dstY, w, h);
+
+ vp += 12;
+ if (vp >= vLimit)
+ {
+ ogl.switchFloatTexArray();
+ ogl.switchShortVertArray();
+ ogl.switchVp(vp);
+ vp = 0;
+ }
+ }
+ ogl.switchVp(vp);
+}
+
+void ModernOpenGLGraphics::drawTileVertexes(const ImageVertexes *const vert)
+{
+ if (!vert)
+ return;
+ const Image *const image = vert->image;
+
+ setColorAlpha(image->mAlpha);
+#ifdef DEBUG_BIND_TEXTURE
+ debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
+ setTexturingAndBlending(true);
+ drawVertexes(vert->ogl);
+}
+
+void ModernOpenGLGraphics::calcWindow(ImageCollection *const vertCol,
+ const int x, const int y,
+ const int w, const int h,
+ const ImageRect &imgRect)
+{
+ ImageVertexes *vert = nullptr;
+ const Image *const image = imgRect.grid[4];
+ if (vertCol->currentGLImage != image->mGLImage)
+ {
+ vert = new ImageVertexes();
+ vertCol->currentGLImage = image->mGLImage;
+ vertCol->currentVert = vert;
+ vert->image = image;
+ vertCol->draws.push_back(vert);
+ }
+ else
+ {
+ vert = vertCol->currentVert;
+ }
+ calcImageRect(vert, x, y, w, h, imgRect);
+}
+
+void ModernOpenGLGraphics::updateScreen()
+{
+ BLOCK_START("Graphics::updateScreen")
+// glFlush();
+// glFinish();
+#ifdef DEBUG_DRAW_CALLS
+ mLastDrawCalls = mDrawCalls;
+ mDrawCalls = 0;
+#endif
+#ifdef USE_SDL2
+ SDL_GL_SwapWindow(mWindow);
+#else
+ SDL_GL_SwapBuffers();
+#endif
+#ifdef DEBUG_OPENGL
+ if (mglFrameTerminator)
+ mglFrameTerminator();
+#endif
+// may be need clear?
+// glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+ BLOCK_END("Graphics::updateScreen")
+}
+
+void ModernOpenGLGraphics::beginDraw()
+{
+ glMatrixMode(GL_TEXTURE);
+ glLoadIdentity();
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+#ifdef ANDROID
+ glOrthof(0.0, static_cast<float>(mRect.w),
+ static_cast<float>(mRect.h),
+ 0.0, -1.0, 1.0);
+#else
+ glOrtho(0.0, static_cast<double>(mRect.w),
+ static_cast<double>(mRect.h),
+ 0.0, -1.0, 1.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ glEnable(GL_SCISSOR_TEST);
+ glDisable(GL_DITHER);
+ glDisable(GL_LIGHTING);
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_FOG);
+ glDisable(GL_COLOR_LOGIC_OP);
+ glDisable(GL_COLOR_MATERIAL);
+ glDisable(GL_STENCIL_TEST);
+
+ glShadeModel(GL_FLAT);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+
+#ifndef ANDROID
+ glHint(GL_LINE_SMOOTH_HINT, GL_FASTEST);
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+ glHint(GL_POINT_SMOOTH_HINT, GL_FASTEST);
+ glHint(GL_POLYGON_SMOOTH_HINT, GL_FASTEST);
+#ifndef __MINGW32__
+ glHint(GL_TEXTURE_COMPRESSION_HINT, GL_FASTEST);
+#endif
+#endif
+
+// glScalef(0.5F, 0.5F, 0.5F);
+
+ pushClipArea(Rect(0, 0, mRect.w, mRect.h));
+}
+
+void ModernOpenGLGraphics::endDraw()
+{
+ popClipArea();
+}
+
+void ModernOpenGLGraphics::prepareScreenshot()
+{
+ if (config.getBoolValue("usefbo"))
+ graphicsManager.createFBO(mRect.w, mRect.h, &mFbo);
+}
+
+SDL_Surface* ModernOpenGLGraphics::getScreenshot()
+{
+ const int h = mRect.h;
+ const int w = mRect.w - (mRect.w % 4);
+ GLint pack = 1;
+
+ SDL_Surface *const screenshot = MSDL_CreateRGBSurface(
+ SDL_SWSURFACE, w, h, 24,
+ 0xff0000, 0x00ff00, 0x0000ff, 0x000000);
+
+ if (!screenshot)
+ return nullptr;
+
+ if (SDL_MUSTLOCK(screenshot))
+ SDL_LockSurface(screenshot);
+
+ const size_t lineSize = 3 * w;
+ GLubyte *const buf = new GLubyte[lineSize];
+
+ // Grap the pixel buffer and write it to the SDL surface
+ glGetIntegerv(GL_PACK_ALIGNMENT, &pack);
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+ glReadPixels(0, 0, w, h, GL_RGB, GL_UNSIGNED_BYTE, screenshot->pixels);
+
+ // Flip the screenshot, as OpenGL has 0,0 in bottom left
+ const int h2 = h / 2;
+ for (int i = 0; i < h2; i++)
+ {
+ GLubyte *const top = static_cast<GLubyte*>(
+ screenshot->pixels) + lineSize * i;
+ GLubyte *const bot = static_cast<GLubyte*>(
+ screenshot->pixels) + lineSize * (h - 1 - i);
+
+ memcpy(buf, top, lineSize);
+ memcpy(top, bot, lineSize);
+ memcpy(bot, buf, lineSize);
+ }
+
+ delete [] buf;
+
+ if (config.getBoolValue("usefbo"))
+ graphicsManager.deleteFBO(&mFbo);
+
+ glPixelStorei(GL_PACK_ALIGNMENT, pack);
+
+ if (SDL_MUSTLOCK(screenshot))
+ SDL_UnlockSurface(screenshot);
+
+ return screenshot;
+}
+
+bool ModernOpenGLGraphics::pushClipArea(const Rect &area)
+{
+ int transX = 0;
+ int transY = 0;
+
+ if (!mClipStack.empty())
+ {
+ const ClipRect &clipArea = mClipStack.top();
+ transX = -clipArea.xOffset;
+ transY = -clipArea.yOffset;
+ }
+
+ const bool result = Graphics::pushClipArea(area);
+
+ const ClipRect &clipArea = mClipStack.top();
+ transX += clipArea.xOffset;
+ transY += clipArea.yOffset;
+
+ if (transX || transY)
+ {
+ glTranslatef(static_cast<GLfloat>(transX),
+ static_cast<GLfloat>(transY), 0);
+ }
+ glScissor(clipArea.x * mScale,
+ (mRect.h - clipArea.y - clipArea.height) * mScale,
+ clipArea.width * mScale,
+ clipArea.height * mScale);
+ return result;
+}
+
+void ModernOpenGLGraphics::popClipArea()
+{
+ if (mClipStack.empty())
+ return;
+
+ const ClipRect &clipArea1 = mClipStack.top();
+ int transX = -clipArea1.xOffset;
+ int transY = -clipArea1.yOffset;
+
+ Graphics::popClipArea();
+
+ if (mClipStack.empty())
+ return;
+
+ const ClipRect &clipArea = mClipStack.top();
+ transX += clipArea.xOffset;
+ transY += clipArea.yOffset;
+ if (transX || transY)
+ {
+ glTranslatef(static_cast<GLfloat>(transX),
+ static_cast<GLfloat>(transY), 0);
+ }
+ glScissor(clipArea.x * mScale,
+ (mRect.h - clipArea.y - clipArea.height) * mScale,
+ clipArea.width * mScale,
+ clipArea.height * mScale);
+}
+
+#ifdef ANDROID
+void ModernOpenGLGraphics::drawPoint(int x A_UNUSED, int y A_UNUSED)
+#else
+void ModernOpenGLGraphics::drawPoint(int x, int y)
+#endif
+{
+ setTexturingAndBlending(false);
+ restoreColor();
+
+#ifdef ANDROID
+ // TODO need fix
+#else
+ glBegin(GL_POINTS);
+ glVertex2i(x, y);
+ glEnd();
+#endif
+}
+
+void ModernOpenGLGraphics::drawLine(int x1, int y1, int x2, int y2)
+{
+ setTexturingAndBlending(false);
+ restoreColor();
+
+ mShortVertArray[0] = static_cast<GLshort>(x1);
+ mShortVertArray[1] = static_cast<GLshort>(y1);
+ mShortVertArray[2] = static_cast<GLshort>(x2);
+ mShortVertArray[3] = static_cast<GLshort>(y2);
+
+ drawLineArrays(4);
+}
+
+void ModernOpenGLGraphics::drawRectangle(const Rect& rect)
+{
+ drawRectangle(rect, false);
+}
+
+void ModernOpenGLGraphics::fillRectangle(const Rect& rect)
+{
+ drawRectangle(rect, true);
+}
+
+void ModernOpenGLGraphics::setTexturingAndBlending(const bool enable)
+{
+ if (enable)
+ {
+ if (!mTexture)
+ {
+ glEnable(OpenGLImageHelper::mTextureType);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ mTexture = true;
+ }
+
+ if (!mAlpha)
+ {
+ glEnable(GL_BLEND);
+ mAlpha = true;
+ }
+ }
+ else
+ {
+ mLastImage = 0;
+ if (mAlpha && !mColorAlpha)
+ {
+ glDisable(GL_BLEND);
+ mAlpha = false;
+ }
+ else if (!mAlpha && mColorAlpha)
+ {
+ glEnable(GL_BLEND);
+ mAlpha = true;
+ }
+
+ if (mTexture)
+ {
+ glDisable(OpenGLImageHelper::mTextureType);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+ mTexture = false;
+ }
+ }
+}
+
+void ModernOpenGLGraphics::drawRectangle(const Rect& rect,
+ const bool filled)
+{
+ BLOCK_START("Graphics::drawRectangle")
+ setTexturingAndBlending(false);
+ restoreColor();
+
+ const GLshort x = static_cast<GLshort>(rect.x);
+ const GLshort y = static_cast<GLshort>(rect.y);
+ const GLshort width = static_cast<GLshort>(rect.width);
+ const GLshort height = static_cast<GLshort>(rect.height);
+ const GLshort xw = static_cast<GLshort>(rect.x + width);
+ const GLshort yh = static_cast<GLshort>(rect.y + height);
+
+ if (filled)
+ {
+ GLshort vert[] =
+ {
+ x, y,
+ xw, y,
+ x, yh,
+ xw, yh
+ };
+
+ glVertexPointer(2, GL_SHORT, 0, &vert);
+#ifdef DEBUG_DRAW_CALLS
+ mDrawCalls ++;
+#endif
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ }
+ else
+ {
+ GLshort vert[] =
+ {
+ x, y,
+ xw, y,
+ xw, yh,
+ x, yh
+ };
+
+ glVertexPointer(2, GL_SHORT, 0, &vert);
+#ifdef DEBUG_DRAW_CALLS
+ mDrawCalls ++;
+#endif
+ glDrawArrays(GL_LINE_LOOP, 0, 4);
+ }
+ BLOCK_END("Graphics::drawRectangle")
+}
+
+bool ModernOpenGLGraphics::drawNet(const int x1, const int y1,
+ const int x2, const int y2,
+ const int width, const int height)
+{
+ unsigned int vp = 0;
+ const unsigned int vLimit = mMaxVertices * 4;
+
+ setTexturingAndBlending(false);
+ restoreColor();
+
+ const GLshort xs1 = static_cast<GLshort>(x1);
+ const GLshort xs2 = static_cast<GLshort>(x2);
+ const GLshort ys1 = static_cast<GLshort>(y1);
+ const GLshort ys2 = static_cast<GLshort>(y2);
+ const int16_t width1 = static_cast<int16_t>(width);
+ const int16_t height1 = static_cast<int16_t>(height);
+
+ for (int16_t y = static_cast<int16_t>(y1); y < y2; y += height1)
+ {
+ mShortVertArray[vp + 0] = xs1;
+ mShortVertArray[vp + 1] = y;
+
+ mShortVertArray[vp + 2] = xs2;
+ mShortVertArray[vp + 3] = y;
+
+ vp += 4;
+ if (vp >= vLimit)
+ {
+ drawLineArrays(vp);
+ vp = 0;
+ }
+ }
+
+ for (int16_t x = static_cast<int16_t>(x1); x < x2; x += width1)
+ {
+ mShortVertArray[vp + 0] = x;
+ mShortVertArray[vp + 1] = ys1;
+
+ mShortVertArray[vp + 2] = x;
+ mShortVertArray[vp + 3] = ys2;
+
+ vp += 4;
+ if (vp >= vLimit)
+ {
+ drawLineArrays(vp);
+ vp = 0;
+ }
+ }
+
+ if (vp > 0)
+ drawLineArrays(vp);
+
+ return true;
+}
+
+void ModernOpenGLGraphics::bindTexture(const GLenum target,
+ const GLuint texture)
+{
+ if (mLastImage != texture)
+ {
+ mLastImage = texture;
+ glBindTexture(target, texture);
+ }
+}
+
+inline void ModernOpenGLGraphics::drawTriangleArrayfs(const int size)
+{
+ glVertexPointer(2, GL_SHORT, 0, mShortVertArray);
+ glTexCoordPointer(2, GL_FLOAT, 0, mFloatTexArray);
+
+#ifdef DEBUG_DRAW_CALLS
+ mDrawCalls ++;
+#endif
+ glDrawArrays(GL_TRIANGLES, 0, size / 2);
+}
+
+inline void ModernOpenGLGraphics::drawTriangleArrayfsCached(const int size)
+{
+ glVertexPointer(2, GL_SHORT, 0, mShortVertArrayCached);
+ glTexCoordPointer(2, GL_FLOAT, 0, mFloatTexArrayCached);
+
+#ifdef DEBUG_DRAW_CALLS
+ mDrawCalls ++;
+#endif
+ glDrawArrays(GL_TRIANGLES, 0, size / 2);
+}
+
+inline void ModernOpenGLGraphics::drawTriangleArrayfs(const GLshort *const
+ shortVertArray,
+ const GLfloat *const
+ floatTexArray,
+ const int size)
+{
+ glVertexPointer(2, GL_SHORT, 0, shortVertArray);
+ glTexCoordPointer(2, GL_FLOAT, 0, floatTexArray);
+
+#ifdef DEBUG_DRAW_CALLS
+ mDrawCalls ++;
+#endif
+ glDrawArrays(GL_TRIANGLES, 0, size / 2);
+}
+
+inline void ModernOpenGLGraphics::drawLineArrays(const int size)
+{
+ glVertexPointer(2, GL_SHORT, 0, mShortVertArray);
+
+#ifdef DEBUG_DRAW_CALLS
+ mDrawCalls ++;
+#endif
+ glDrawArrays(GL_LINES, 0, size / 2);
+}
+
+void ModernOpenGLGraphics::dumpSettings()
+{
+ GLint test[1000];
+ logger->log("\n\n");
+ logger->log("start opengl dump");
+ for (int f = 0; f < 65535; f ++)
+ {
+ test[0] = 0;
+ test[1] = 0;
+ test[2] = 0;
+ test[3] = 0;
+ glGetIntegerv(f, &test[0]);
+ if (test[0] || test[1] || test[2] || test[3])
+ {
+ logger->log("\n%d = %d, %d, %d, %d", f,
+ test[0], test[1], test[2], test[3]);
+ }
+ }
+}
+
+void ModernOpenGLGraphics::setColorAlpha(const float alpha)
+{
+ if (!mIsByteColor && mFloatColor == alpha)
+ return;
+
+ glColor4f(1.0F, 1.0F, 1.0F, alpha);
+ mIsByteColor = false;
+ mFloatColor = alpha;
+}
+
+void ModernOpenGLGraphics::restoreColor()
+{
+ if (mIsByteColor && mByteColor == mColor)
+ return;
+
+ glColor4ub(static_cast<GLubyte>(mColor.r),
+ static_cast<GLubyte>(mColor.g),
+ static_cast<GLubyte>(mColor.b),
+ static_cast<GLubyte>(mColor.a));
+ mIsByteColor = true;
+ mByteColor = mColor;
+}
+
+void ModernOpenGLGraphics::drawImageRect(const int x, const int y,
+ const int w, const int h,
+ const ImageRect &imgRect)
+{
+ #include "render/graphics_drawImageRect.hpp"
+}
+
+void ModernOpenGLGraphics::calcImageRect(ImageVertexes *const vert,
+ const int x, const int y,
+ const int w, const int h,
+ const ImageRect &imgRect)
+{
+ #include "render/graphics_calcImageRect.hpp"
+}
+
+void ModernOpenGLGraphics::clearScreen() const
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+}
+
+#ifdef DEBUG_BIND_TEXTURE
+void ModernOpenGLGraphics::debugBindTexture(const Image *const image)
+{
+ const std::string texture = image->getIdPath();
+ if (mOldTexture != texture)
+ {
+ if ((!mOldTexture.empty() || !texture.empty())
+ && mOldTextureId != image->mGLImage)
+ {
+ logger->log("bind: %s (%d) to %s (%d)", mOldTexture.c_str(),
+ mOldTextureId, texture.c_str(), image->mGLImage);
+ }
+ mOldTextureId = image->mGLImage;
+ mOldTexture = texture;
+ }
+}
+#else
+void ModernOpenGLGraphics::debugBindTexture(const Image *const image A_UNUSED)
+{
+}
+#endif
+
+#endif // USE_OPENGL