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Diffstat (limited to 'src/render/safeopenglgraphics.cpp')
| -rw-r--r-- | src/render/safeopenglgraphics.cpp | 763 |
1 files changed, 0 insertions, 763 deletions
diff --git a/src/render/safeopenglgraphics.cpp b/src/render/safeopenglgraphics.cpp deleted file mode 100644 index e65ff94b0..000000000 --- a/src/render/safeopenglgraphics.cpp +++ /dev/null @@ -1,763 +0,0 @@ -/* - * The ManaPlus Client - * Copyright (C) 2004-2009 The Mana World Development Team - * Copyright (C) 2009-2010 The Mana Developers - * Copyright (C) 2011-2017 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/>. - */ - -#if defined USE_OPENGL && !defined ANDROID -#include "render/safeopenglgraphics.h" - -#ifdef DEBUG_OPENGL -#include "render/opengl/mgl.h" -#endif // DEBUG_OPENGL - -#include "resources/imagerect.h" -#include "resources/safeopenglimagehelper.h" - -#include "resources/image/image.h" - -#include "utils/sdlcheckutils.h" - -#include "debug.h" - -GLuint SafeOpenGLGraphics::mTextureBinded = 0; - -SafeOpenGLGraphics::SafeOpenGLGraphics() : - mTexture(false), - mIsByteColor(false), - mByteColor(), - mFloatColor(1.0F), - mColorAlpha(false), - mFbo() -{ - mOpenGL = RENDER_SAFE_OPENGL; - mName = "safe OpenGL"; -} - -SafeOpenGLGraphics::~SafeOpenGLGraphics() -{ -} - -void SafeOpenGLGraphics::deleteArrays() restrict2 -{ -} - -bool SafeOpenGLGraphics::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, - const bool allowHighDPI) restrict2 -{ - setMainFlags(w, h, - scale, - bpp, - fs, - hwaccel, - resize, - noFrame, - allowHighDPI); - - return setOpenGLMode(); -} - -static inline void drawQuad(const Image *restrict image, - const int srcX, - const int srcY, - const int dstX, - const int dstY, - const int width, - const int height) A_NONNULL(1) A_INLINE; - -static inline void drawQuad(const Image *restrict image, - const int srcX, - const int srcY, - const int dstX, - const int dstY, - const int width, - const int height) -{ - if (SafeOpenGLImageHelper::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; - - glTexCoord2f(texX1, texY1); - glVertex2i(dstX, dstY); - glTexCoord2f(texX2, texY1); - glVertex2i(dstX + width, dstY); - glTexCoord2f(texX2, texY2); - glVertex2i(dstX + width, dstY + height); - glTexCoord2f(texX1, texY2); - glVertex2i(dstX, dstY + height); - } - else - { - glTexCoord2i(srcX, srcY); - glVertex2i(dstX, dstY); - glTexCoord2i(srcX + width, srcY); - glVertex2i(dstX + width, dstY); - glTexCoord2i(srcX + width, srcY + height); - glVertex2i(dstX + width, dstY + height); - glTexCoord2i(srcX, srcY + height); - glVertex2i(dstX, dstY + height); - } -} - -static inline void drawRescaledQuad(const Image *restrict 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) - A_NONNULL(1) A_INLINE; - -static inline void drawRescaledQuad(const Image *restrict 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 (SafeOpenGLImageHelper::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; - - glTexCoord2f(texX1, texY1); - glVertex2i(dstX, dstY); - glTexCoord2f(texX2, texY1); - glVertex2i(dstX + desiredWidth, dstY); - glTexCoord2f(texX2, texY2); - glVertex2i(dstX + desiredWidth, dstY + desiredHeight); - glTexCoord2f(texX1, texY2); - glVertex2i(dstX, dstY + desiredHeight); - } - else - { - glTexCoord2i(srcX, srcY); - glVertex2i(dstX, dstY); - glTexCoord2i(srcX + width, srcY); - glVertex2i(dstX + desiredWidth, dstY); - glTexCoord2i(srcX + width, srcY + height); - glVertex2i(dstX + desiredWidth, dstY + desiredHeight); - glTexCoord2i(srcX, srcY + height); - glVertex2i(dstX, dstY + desiredHeight); - } -} - -void SafeOpenGLGraphics::drawImage(const Image *restrict const image, - int dstX, int dstY) restrict2 -{ - drawImageInline(image, dstX, dstY); -} - -void SafeOpenGLGraphics::drawImageInline(const Image *restrict const image, - int dstX, int dstY) restrict2 -{ - FUNC_BLOCK("Graphics::drawImage", 1) - if (image == nullptr) - return; - - setColorAlpha(image->mAlpha); - bindTexture(SafeOpenGLImageHelper::mTextureType, image->mGLImage); - enableTexturingAndBlending(); - - const SDL_Rect &bounds = image->mBounds; - // Draw a textured quad. - glBegin(GL_QUADS); - drawQuad(image, bounds.x, bounds.y, - dstX, dstY, bounds.w, bounds.h); - glEnd(); -} - -void SafeOpenGLGraphics::copyImage(const Image *restrict const image, - int dstX, int dstY) restrict2 -{ - drawImageInline(image, dstX, dstY); -} - -void SafeOpenGLGraphics::testDraw() restrict2 -{ - if (SafeOpenGLImageHelper::mTextureType == GL_TEXTURE_2D) - { - glBegin(GL_QUADS); - glTexCoord2f(0.0f, 0.781250f); - glVertex2i(0, 0); - glTexCoord2f(0.0f, 0.781250f); - glVertex2i(800, 0); - glTexCoord2f(0.0f, 0.585938f); - glVertex2i(800, 600); - glTexCoord2f(0.0f, 0.585938f); - glVertex2i(0, 600); - glEnd(); - } - else - { - glBegin(GL_QUADS); - glTexCoord2i(0, 0); - glVertex2i(0, 0); - glTexCoord2i(800, 0); - glVertex2i(800, 0); - glTexCoord2i(800, 600); - glVertex2i(800, 600); - glTexCoord2i(0, 600); - glVertex2i(0, 600); - glEnd(); - } -} - -void SafeOpenGLGraphics::drawImageCached(const Image *restrict const image, - int x, int y) restrict2 -{ - FUNC_BLOCK("Graphics::drawImageCached", 1) - if (image == nullptr) - return; - - setColorAlpha(image->mAlpha); - bindTexture(SafeOpenGLImageHelper::mTextureType, image->mGLImage); - enableTexturingAndBlending(); - - const SDL_Rect &bounds = image->mBounds; - // Draw a textured quad. - glBegin(GL_QUADS); - drawQuad(image, bounds.x, bounds.y, x, y, bounds.w, bounds.h); - glEnd(); -} - -void SafeOpenGLGraphics::drawPatternCached(const Image *restrict const image, - const int x, const int y, - const int w, const int h) restrict2 -{ - FUNC_BLOCK("Graphics::drawPatternCached", 1) - if (image == nullptr) - return; - - const SDL_Rect &imageRect = image->mBounds; - const int iw = imageRect.w; - const int ih = imageRect.h; - if (iw == 0 || ih == 0) - return; - - const int srcX = imageRect.x; - const int srcY = imageRect.y; - - setColorAlpha(image->mAlpha); - bindTexture(SafeOpenGLImageHelper::mTextureType, image->mGLImage); - enableTexturingAndBlending(); - - // Draw a set of textured rectangles - glBegin(GL_QUADS); - - for (int py = 0; py < h; py += ih) - { - const int height = (py + ih >= h) ? h - py : ih; - const int dstY = y + py; - for (int px = 0; px < w; px += iw) - { - int width = (px + iw >= w) ? w - px : iw; - int dstX = x + px; - drawQuad(image, srcX, srcY, dstX, dstY, width, height); - } - } - - glEnd(); -} - -void SafeOpenGLGraphics::completeCache() restrict2 -{ -} - -void SafeOpenGLGraphics::drawRescaledImage(const Image *restrict const image, - int dstX, int dstY, - const int desiredWidth, - const int desiredHeight) restrict2 -{ - FUNC_BLOCK("Graphics::drawRescaledImage", 1) - if (image == nullptr) - return; - - const SDL_Rect &imageRect = image->mBounds; - - // Just draw the image normally when no resizing is necessary, - if (imageRect.w == desiredWidth && imageRect.h == desiredHeight) - { - drawImageInline(image, dstX, dstY); - return; - } - - setColorAlpha(image->mAlpha); - bindTexture(SafeOpenGLImageHelper::mTextureType, image->mGLImage); - enableTexturingAndBlending(); - - // Draw a textured quad. - glBegin(GL_QUADS); - drawRescaledQuad(image, imageRect.x, imageRect.y, dstX, dstY, - imageRect.w, imageRect.h, desiredWidth, desiredHeight); - glEnd(); -} - -void SafeOpenGLGraphics::drawPattern(const Image *restrict const image, - const int x, const int y, - const int w, const int h) restrict2 -{ - drawPatternInline(image, x, y, w, h); -} - -void SafeOpenGLGraphics::drawPatternInline(const Image *restrict const image, - const int x, const int y, - const int w, const int h) restrict2 -{ - FUNC_BLOCK("Graphics::drawPattern", 1) - if (image == nullptr) - return; - - const SDL_Rect &imageRect = image->mBounds; - const int iw = imageRect.w; - const int ih = imageRect.h; - if (iw == 0 || ih == 0) - return; - - const int srcX = imageRect.x; - const int srcY = imageRect.y; - - setColorAlpha(image->mAlpha); - bindTexture(SafeOpenGLImageHelper::mTextureType, image->mGLImage); - enableTexturingAndBlending(); - - // Draw a set of textured rectangles - glBegin(GL_QUADS); - - for (int py = 0; py < h; py += ih) - { - const int height = (py + ih >= h) ? h - py : ih; - const int dstY = y + py; - for (int px = 0; px < w; px += iw) - { - int width = (px + iw >= w) ? w - px : iw; - int dstX = x + px; - drawQuad(image, srcX, srcY, dstX, dstY, width, height); - } - } - - glEnd(); -} - -void SafeOpenGLGraphics::drawRescaledPattern(const Image *restrict const image, - const int x, const int y, - const int w, const int h, - const int scaledWidth, - const int scaledHeight) restrict2 -{ - if (image == nullptr) - return; - - const int iw = scaledWidth; - const int ih = scaledHeight; - if (iw == 0 || ih == 0) - return; - - const SDL_Rect &imageRect = image->mBounds; - const int srcX = imageRect.x; - const int srcY = imageRect.y; - - setColorAlpha(image->mAlpha); - bindTexture(SafeOpenGLImageHelper::mTextureType, image->mGLImage); - enableTexturingAndBlending(); - - // Draw a set of textured rectangles - glBegin(GL_QUADS); - - const float scaleFactorW = static_cast<float>(scaledWidth) - / image->getWidth(); - const float scaleFactorH = static_cast<float>(scaledHeight) - / image->getHeight(); - - for (int py = 0; py < h; py += ih) - { - const int height = (py + ih >= h) ? h - py : ih; - const int dstY = y + py; - for (int px = 0; px < w; px += iw) - { - int width = (px + iw >= w) ? w - px : iw; - int dstX = x + px; - - drawRescaledQuad(image, srcX, srcY, dstX, dstY, - width / scaleFactorW, height / scaleFactorH, - scaledWidth, scaledHeight); - } - } - - glEnd(); -} - -void SafeOpenGLGraphics::calcTileCollection(ImageCollection *restrict const - vertCol A_UNUSED, - const Image *restrict const image - A_UNUSED, - int x A_UNUSED, - int y A_UNUSED) restrict2 -{ -} - -void SafeOpenGLGraphics::calcTileVertexes(ImageVertexes *restrict const vert - A_UNUSED, - const Image *restrict const image - A_UNUSED, - int x A_UNUSED, - int y A_UNUSED) const restrict2 -{ -} - -void SafeOpenGLGraphics::calcTileVertexesInline(ImageVertexes *restrict const - vert A_UNUSED, - const Image *restrict const - image A_UNUSED, - int x A_UNUSED, - int y A_UNUSED) const restrict2 -{ -} - -void SafeOpenGLGraphics::calcPattern(ImageVertexes *restrict const vert - A_UNUSED, - const Image *restrict const image - A_UNUSED, - const int x A_UNUSED, - const int y A_UNUSED, - const int w A_UNUSED, - const int h A_UNUSED) const restrict2 -{ -} - -void SafeOpenGLGraphics::calcPatternInline(ImageVertexes *restrict const vert - A_UNUSED, - const Image *restrict const image - A_UNUSED, - const int x A_UNUSED, - const int y A_UNUSED, - const int w A_UNUSED, - const int h A_UNUSED) - const restrict2 -{ -} - -void SafeOpenGLGraphics::calcPattern(ImageCollection *restrict const vert - A_UNUSED, - const Image *restrict const image - A_UNUSED, - const int x A_UNUSED, - const int y A_UNUSED, - const int w A_UNUSED, - const int h A_UNUSED) const restrict2 -{ -} - -void SafeOpenGLGraphics::drawTileVertexes(const ImageVertexes - *restrict const vert A_UNUSED) - restrict2 -{ -} - -void SafeOpenGLGraphics::drawTileCollection(const ImageCollection * - restrict const vertCol A_UNUSED) - restrict2 -{ -} - -void SafeOpenGLGraphics::updateScreen() restrict2 -{ - BLOCK_START("Graphics::updateScreen") - glFlush(); - glFinish(); -#ifdef USE_SDL2 - SDL_GL_SwapWindow(mWindow); -#else - SDL_GL_SwapBuffers(); -#endif // USE_SDL2 -#ifdef DEBUG_OPENGL - if (isGLNotNull(mglFrameTerminator)) - mglFrameTerminator(); -#endif // DEBUG_OPENGL - - BLOCK_END("Graphics::updateScreen") -} - -void SafeOpenGLGraphics::calcWindow(ImageCollection *restrict const vertCol - A_UNUSED, - const int x A_UNUSED, const int y A_UNUSED, - const int w A_UNUSED, const int h A_UNUSED, - const ImageRect &restrict imgRect A_UNUSED) - restrict2 -{ -} - -void SafeOpenGLGraphics::beginDraw() restrict2 -{ - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - - glOrtho(0.0, static_cast<double>(mRect.w), - static_cast<double>(mRect.h), - 0.0, -1.0, 1.0); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - - setOpenGLFlags(); - glDisable(GL_LIGHTING); - glDisable(GL_FOG); - glDisable(GL_COLOR_MATERIAL); - - glShadeModel(GL_FLAT); - - pushClipArea(Rect(0, 0, mRect.w, mRect.h)); -} - -void SafeOpenGLGraphics::endDraw() restrict2 -{ - popClipArea(); -} - -void SafeOpenGLGraphics::pushClipArea(const Rect &restrict area) restrict2 -{ - int transX = 0; - int transY = 0; - - if (!mClipStack.empty()) - { - const ClipRect &clipArea = mClipStack.top(); - transX = -clipArea.xOffset; - transY = -clipArea.yOffset; - } - - Graphics::pushClipArea(area); - - const ClipRect &clipArea = mClipStack.top(); - - glPushMatrix(); - glTranslatef(static_cast<GLfloat>(transX + clipArea.xOffset), - static_cast<GLfloat>(transY + clipArea.yOffset), 0); - glScissor(clipArea.x * mScale, - (mRect.h - clipArea.y - clipArea.height) * mScale, - clipArea.width * mScale, - clipArea.height * mScale); -} - -void SafeOpenGLGraphics::popClipArea() restrict2 -{ - Graphics::popClipArea(); - - if (mClipStack.empty()) - return; - - glPopMatrix(); - const ClipRect &clipArea = mClipStack.top(); - glScissor(clipArea.x * mScale, - (mRect.h - clipArea.y - clipArea.height) * mScale, - clipArea.width * mScale, - clipArea.height * mScale); -} - -void SafeOpenGLGraphics::drawPoint(int x, int y) restrict2 -{ - disableTexturingAndBlending(); - restoreColor(); - - glBegin(GL_POINTS); - glVertex2i(x, y); - glEnd(); -} - -void SafeOpenGLGraphics::drawNet(const int x1, const int y1, - const int x2, const int y2, - const int width, const int height) restrict2 -{ - disableTexturingAndBlending(); - restoreColor(); - - glBegin(GL_LINES); - for (int y = y1; y < y2; y += height) - { - glVertex2f(static_cast<float>(x1) + 0.5F, - static_cast<float>(y) + 0.5F); - glVertex2f(static_cast<float>(x2) + 0.5F, - static_cast<float>(y) + 0.5F); - } - - for (int x = x1; x < x2; x += width) - { - glVertex2f(static_cast<float>(x) + 0.5F, - static_cast<float>(y1) + 0.5F); - glVertex2f(static_cast<float>(x) + 0.5F, - static_cast<float>(y2) + 0.5F); - } - glEnd(); -} - -void SafeOpenGLGraphics::drawLine(int x1, int y1, - int x2, int y2) restrict2 -{ - disableTexturingAndBlending(); - restoreColor(); - - glBegin(GL_LINES); - glVertex2f(static_cast<float>(x1) + 0.5F, static_cast<float>(y1) + 0.5F); - glVertex2f(static_cast<float>(x2) + 0.5F, static_cast<float>(y2) + 0.5F); - glEnd(); -} - -void SafeOpenGLGraphics::drawRectangle(const Rect &restrict rect) restrict2 -{ - drawRectangle(rect, false); -} - -void SafeOpenGLGraphics::fillRectangle(const Rect &restrict rect) restrict2 -{ - drawRectangle(rect, true); -} - -void SafeOpenGLGraphics::enableTexturingAndBlending() restrict2 -{ - if (!mTexture) - { - glEnable(SafeOpenGLImageHelper::mTextureType); - mTexture = true; - } - - if (!mAlpha) - { - glEnable(GL_BLEND); - mAlpha = true; - } -} - -void SafeOpenGLGraphics::disableTexturingAndBlending() restrict2 -{ - mTextureBinded = 0; - if (mAlpha && !mColorAlpha) - { - glDisable(GL_BLEND); - mAlpha = false; - } - else if (!mAlpha && mColorAlpha) - { - glEnable(GL_BLEND); - mAlpha = true; - } - - if (mTexture) - { - glDisable(SafeOpenGLImageHelper::mTextureType); - mTexture = false; - } -} - -void SafeOpenGLGraphics::drawRectangle(const Rect &restrict rect, - const bool filled) restrict2 -{ - BLOCK_START("Graphics::drawRectangle") - const float offset = filled ? 0 : 0.5F; - - disableTexturingAndBlending(); - restoreColor(); - - glBegin(filled ? GL_QUADS : GL_LINE_LOOP); - glVertex2f(static_cast<float>(rect.x) + offset, - static_cast<float>(rect.y) + offset); - glVertex2f(static_cast<float>(rect.x + rect.width) - offset, - static_cast<float>(rect.y) + offset); - glVertex2f(static_cast<float>(rect.x + rect.width) - offset, - static_cast<float>(rect.y + rect.height) - offset); - glVertex2f(static_cast<float>(rect.x) + offset, - static_cast<float>(rect.y + rect.height) - offset); - glEnd(); - BLOCK_END("Graphics::drawRectangle") -} - -void SafeOpenGLGraphics::bindTexture(const GLenum target, - const GLuint texture) -{ - if (mTextureBinded != texture) - { - mTextureBinded = texture; - glBindTexture(target, texture); - } -} - -void SafeOpenGLGraphics::setColorAlpha(const float alpha) restrict2 -{ - if (!mIsByteColor && mFloatColor == alpha) - return; - - glColor4f(1.0F, 1.0F, 1.0F, alpha); - mIsByteColor = false; - mFloatColor = alpha; -} - -void SafeOpenGLGraphics::restoreColor() restrict2 -{ - 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 SafeOpenGLGraphics::clearScreen() const restrict2 -{ - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); -} - -void SafeOpenGLGraphics::drawImageRect(const int x, const int y, - const int w, const int h, - const ImageRect &restrict imgRect) - restrict2 -{ - #include "render/graphics_drawImageRect.hpp" -} - -void SafeOpenGLGraphics::calcImageRect(ImageVertexes *restrict const vert, - const int x, const int y, - const int w, const int h, - const ImageRect &restrict imgRect) - restrict2 -{ - #include "render/graphics_calcImageRect.hpp" -} - -#endif // USE_OPENGL |