From e05655679e7bd9488c31169ece3d404fd9160c8d Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Sun, 8 Jun 2014 01:36:38 +0300 Subject: copy mobileopengl into modernopengl. --- src/render/modernopenglgraphics.cpp | 1362 +++++++++++++++++++++++++++++++++++ 1 file changed, 1362 insertions(+) create mode 100644 src/render/modernopenglgraphics.cpp (limited to 'src/render/modernopenglgraphics.cpp') diff --git a/src/render/modernopenglgraphics.cpp b/src/render/modernopenglgraphics.cpp new file mode 100644 index 000000000..553a864e3 --- /dev/null +++ b/src/render/modernopenglgraphics.cpp @@ -0,0 +1,1362 @@ +/* + * 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 . + */ + +#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(dstX); \ + vVar[vp + 1] = static_cast(dstY); \ + vVar[vp + 2] = static_cast(dstX + w); \ + vVar[vp + 3] = static_cast(dstY); \ + vVar[vp + 4] = static_cast(dstX + w); \ + vVar[vp + 5] = static_cast(dstY + h); \ + vVar[vp + 6] = static_cast(dstX); \ + vVar[vp + 7] = static_cast(dstY); \ + vVar[vp + 8] = static_cast(dstX); \ + vVar[vp + 9] = static_cast(dstY + h); \ + vVar[vp + 10] = static_cast(dstX + w); \ + vVar[vp + 11] = static_cast(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(image->mTexWidth); + const float th = static_cast(image->mTexHeight); + // Find OpenGL normalized texture coordinates. + const float texX1 = static_cast(srcX) / tw; + const float texY1 = static_cast(srcY) / th; + const float texX2 = static_cast(srcX + width) / tw; + const float texY2 = static_cast(srcY + height) / th; + + GLfloat tex[] = + { + texX1, texY1, + texX2, texY1, + texX1, texY2, + texX2, texY2 + }; + + GLshort vert[] = + { + static_cast(dstX), static_cast(dstY), + static_cast(dstX + width), static_cast(dstY), + static_cast(dstX), static_cast(dstY + height), + static_cast(dstX + width), + static_cast(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(image->mTexWidth); + const float th = static_cast(image->mTexHeight); + // Find OpenGL normalized texture coordinates. + const float texX1 = static_cast(srcX) / tw; + const float texY1 = static_cast(srcY) / th; + const float texX2 = static_cast(srcX + width) / tw; + const float texY2 = static_cast(srcY + height) / th; + + GLfloat tex[] = + { + texX1, texY1, + texX2, texY1, + texX1, texY2, + texX2, texY2 + }; + + GLshort vert[] = + { + static_cast(dstX), static_cast(dstY), + static_cast(dstX + desiredWidth), + static_cast(dstY), + static_cast(dstX), static_cast( + dstY + desiredHeight), + static_cast(dstX + desiredWidth), + static_cast(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(image->mTexWidth); + const float th = static_cast(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(srcX) / tw; + float texY1 = static_cast(srcY) / th; + float texX2 = static_cast(srcX + w) / tw; + float texY2 = static_cast(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(image->mTexWidth); + const float th = static_cast(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(srcX) / tw; + const float texY1 = static_cast(srcY) / th; + + for (int py = 0; py < h; py += ih) + { + const int height = (py + ih >= h) ? h - py : ih; + const float texY2 = static_cast(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(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(image->mTexWidth); + const float th = static_cast(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(srcX) / tw; + const float texY1 = static_cast(srcY) / th; + + for (int py = 0; py < h; py += ih) + { + const int height = (py + ih >= h) ? h - py : ih; + const float texY2 = static_cast(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(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(image->mTexWidth); + const float th = static_cast(image->mTexHeight); + + const float texX1 = static_cast(srcX) / tw; + const float texY1 = static_cast(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(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(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 &shortVertPool = ogl.mShortVertPool; + std::vector::const_iterator iv; + const std::vector::const_iterator iv_end = shortVertPool.end(); + const std::vector &vp = ogl.mVp; + std::vector::const_iterator ivp; + const std::vector::const_iterator ivp_end = vp.end(); + + // Draw a set of textured rectangles +// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D) + { + const std::vector &floatTexPool = ogl.mFloatTexPool; + std::vector::const_iterator ft; + const std::vector::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(image->mTexWidth); + const float th = static_cast(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(srcX) / tw; + const float texY1 = static_cast(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(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(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(image->mTexWidth); + const float th = static_cast(image->mTexHeight); + + const unsigned int vLimit = mMaxVertices * 4; + + NormalOpenGLGraphicsVertexes &ogl = vert->ogl; + +// std::vector *vps = ogl.getVp(); + unsigned int vp = ogl.continueVp(); + + // Draw a set of textured rectangles +// if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D) + { + float texX1 = static_cast(srcX) / tw; + float texY1 = static_cast(srcY) / th; + float texX2 = static_cast(srcX + w) / tw; + float texY2 = static_cast(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(mRect.w), + static_cast(mRect.h), + 0.0, -1.0, 1.0); +#else + glOrtho(0.0, static_cast(mRect.w), + static_cast(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( + screenshot->pixels) + lineSize * i; + GLubyte *const bot = static_cast( + 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(transX), + static_cast(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(transX), + static_cast(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(x1); + mShortVertArray[1] = static_cast(y1); + mShortVertArray[2] = static_cast(x2); + mShortVertArray[3] = static_cast(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(rect.x); + const GLshort y = static_cast(rect.y); + const GLshort width = static_cast(rect.width); + const GLshort height = static_cast(rect.height); + const GLshort xw = static_cast(rect.x + width); + const GLshort yh = static_cast(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(x1); + const GLshort xs2 = static_cast(x2); + const GLshort ys1 = static_cast(y1); + const GLshort ys2 = static_cast(y2); + const int16_t width1 = static_cast(width); + const int16_t height1 = static_cast(height); + + for (int16_t y = static_cast(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(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(mColor.r), + static_cast(mColor.g), + static_cast(mColor.b), + static_cast(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 -- cgit v1.2.3-70-g09d2