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-rw-r--r--src/opengl1graphics.cpp691
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diff --git a/src/opengl1graphics.cpp b/src/opengl1graphics.cpp
deleted file mode 100644
index 88079c2bd..000000000
--- a/src/opengl1graphics.cpp
+++ /dev/null
@@ -1,691 +0,0 @@
-/*
- * The ManaPlus Client
- * Copyright (C) 2004-2009 The Mana World Development Team
- * Copyright (C) 2009-2010 The Mana Developers
- * Copyright (C) 2011-2012 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 "opengl1graphics.h"
-
-#include "configuration.h"
-#include "graphicsvertexes.h"
-#include "logger.h"
-
-#include "resources/image.h"
-#include "resources/openglimagehelper.h"
-
-#include <SDL.h>
-
-#include "debug.h"
-
-#ifndef GL_TEXTURE_RECTANGLE_ARB
-#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
-#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
-#endif
-
-GLuint OpenGL1Graphics::mLastImage = 0;
-
-OpenGL1Graphics::OpenGL1Graphics():
- mAlpha(false), mTexture(false), mColorAlpha(false),
- mFboId(0), mTextureId(0), mRboId(0)
-{
- mOpenGL = 2;
- mName = "safe OpenGL";
-}
-
-OpenGL1Graphics::~OpenGL1Graphics()
-{
-}
-
-bool OpenGL1Graphics::setVideoMode(int w, int h, int bpp, bool fs,
- bool hwaccel, bool resize, bool noFrame)
-{
- setMainFlags(w, h, bpp, fs, hwaccel, resize, noFrame);
-
- return setOpenGLMode();
-}
-
-static inline void drawQuad(const Image *image,
- int srcX, int srcY, int dstX, int dstY,
- int width, int height)
-{
- if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
- {
- // Find OpenGL normalized texture coordinates.
- float texX1 = static_cast<float>(srcX)
- / static_cast<float>(image->getTextureWidth());
- float texY1 = static_cast<float>(srcY)
- / static_cast<float>(image->getTextureHeight());
- float texX2 = static_cast<float>(srcX + width) / static_cast<float>(
- image->getTextureWidth());
- float texY2 = static_cast<float>(srcY + height) / static_cast<float>(
- image->getTextureHeight());
-
- 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(Image *image, int srcX, int srcY,
- int dstX, int dstY, int width, int height,
- int desiredWidth, int desiredHeight)
-{
- if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
- {
- // Find OpenGL normalized texture coordinates.
- float texX1 = static_cast<float>(srcX)
- / static_cast<float>(image->getTextureWidth());
- float texY1 = static_cast<float>(srcY)
- / static_cast<float>(image->getTextureHeight());
- float texX2 = static_cast<float>(srcX + width) / static_cast<float>(
- image->getTextureWidth());
- float texY2 = static_cast<float>(srcY + height) / static_cast<float>(
- image->getTextureHeight());
-
- 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);
- }
-}
-
-
-bool OpenGL1Graphics::drawImage2(const Image *image, int srcX, int srcY,
- int dstX, int dstY,
- int width, int height, bool useColor)
-{
- if (!image)
- return false;
-
- srcX += image->mBounds.x;
- srcY += image->mBounds.y;
-
- if (!useColor)
- glColor4f(1.0f, 1.0f, 1.0f, image->mAlpha);
-
- bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
-
- setTexturingAndBlending(true);
-
- // Draw a textured quad.
- glBegin(GL_QUADS);
- drawQuad(image, srcX, srcY, dstX, dstY, width, height);
- glEnd();
-
- if (!useColor)
- {
- glColor4ub(static_cast<GLubyte>(mColor.r),
- static_cast<GLubyte>(mColor.g),
- static_cast<GLubyte>(mColor.b),
- static_cast<GLubyte>(mColor.a));
- }
-
- return true;
-}
-
-bool OpenGL1Graphics::drawRescaledImage(Image *image, int srcX, int srcY,
- int dstX, int dstY,
- int width, int height,
- int desiredWidth, int desiredHeight,
- bool useColor)
-{
- return drawRescaledImage(image, srcX, srcY,
- dstX, dstY,
- width, height,
- desiredWidth, desiredHeight,
- useColor, true);
-}
-
-bool OpenGL1Graphics::drawRescaledImage(Image *image, int srcX, int srcY,
- int dstX, int dstY,
- int width, int height,
- int desiredWidth, int desiredHeight,
- bool useColor, bool smooth)
-{
- if (!image)
- return false;
-
- // Just draw the image normally when no resizing is necessary,
- if (width == desiredWidth && height == desiredHeight)
- {
- return drawImage2(image, srcX, srcY, dstX, dstY,
- width, height, useColor);
- }
-
- // When the desired image is smaller than the current one,
- // disable smooth effect.
- if (width > desiredWidth && height > desiredHeight)
- smooth = false;
-
- srcX += image->mBounds.x;
- srcY += image->mBounds.y;
-
- if (!useColor)
- glColor4f(1.0f, 1.0f, 1.0f, image->mAlpha);
-
- bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
-
- setTexturingAndBlending(true);
-
- // Draw a textured quad.
- glBegin(GL_QUADS);
- drawRescaledQuad(image, srcX, srcY, dstX, dstY, width, height,
- desiredWidth, desiredHeight);
-
- if (smooth) // A basic smooth effect...
- {
- glColor4f(1.0f, 1.0f, 1.0f, 0.2f);
- drawRescaledQuad(image, srcX, srcY, dstX - 1, dstY - 1, width, height,
- desiredWidth + 1, desiredHeight + 1);
- drawRescaledQuad(image, srcX, srcY, dstX + 1, dstY + 1, width, height,
- desiredWidth - 1, desiredHeight - 1);
-
- drawRescaledQuad(image, srcX, srcY, dstX + 1, dstY, width, height,
- desiredWidth - 1, desiredHeight);
- drawRescaledQuad(image, srcX, srcY, dstX, dstY + 1, width, height,
- desiredWidth, desiredHeight - 1);
- }
-
- glEnd();
-
- if (!useColor)
- {
- glColor4ub(static_cast<GLubyte>(mColor.r),
- static_cast<GLubyte>(mColor.g),
- static_cast<GLubyte>(mColor.b),
- static_cast<GLubyte>(mColor.a));
- }
-
- return true;
-}
-
-/* Optimising the functions that Graphics::drawImagePattern would call,
- * so that glBegin...glEnd are outside the main loop. */
-void OpenGL1Graphics::drawImagePattern(const Image *image, int x, int y,
- int w, int h)
-{
- if (!image)
- return;
-
- const int srcX = image->mBounds.x;
- const int srcY = image->mBounds.y;
-
- const int iw = image->mBounds.w;
- const int ih = image->mBounds.h;
- if (iw == 0 || ih == 0)
- return;
-
- glColor4f(1.0f, 1.0f, 1.0f, image->mAlpha);
-
- bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
-
- setTexturingAndBlending(true);
-
- // 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();
-
- glColor4ub(static_cast<GLubyte>(mColor.r),
- static_cast<GLubyte>(mColor.g),
- static_cast<GLubyte>(mColor.b),
- static_cast<GLubyte>(mColor.a));
-}
-
-void OpenGL1Graphics::drawRescaledImagePattern(Image *image, int x, int y,
- int w, int h,
- int scaledWidth,
- int scaledHeight)
-{
- if (!image)
- return;
-
- const int srcX = image->mBounds.x;
- const int srcY = image->mBounds.y;
-
- const int iw = scaledWidth;
- const int ih = scaledHeight;
- if (iw == 0 || ih == 0)
- return;
-
- glColor4f(1.0f, 1.0f, 1.0f, image->mAlpha);
-
- bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
-
- setTexturingAndBlending(true);
-
- // 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();
-
- glColor4ub(static_cast<GLubyte>(mColor.r), static_cast<GLubyte>(mColor.g),
- static_cast<GLubyte>(mColor.b), static_cast<GLubyte>(mColor.a));
-}
-
-bool OpenGL1Graphics::calcImageRect(GraphicsVertexes* vert,
- int x, int y, int w, int h,
- Image *topLeft A_UNUSED,
- Image *topRight A_UNUSED,
- Image *bottomLeft A_UNUSED,
- Image *bottomRight A_UNUSED,
- Image *top A_UNUSED, Image *right A_UNUSED,
- Image *bottom A_UNUSED,
- Image *left A_UNUSED,
- Image *center A_UNUSED)
-{
- if (!vert)
- return false;
-
- vert->init(x, y, w, h);
- return true;
-}
-
-void OpenGL1Graphics::calcTile(ImageVertexes *vert A_UNUSED,
- int x A_UNUSED, int y A_UNUSED)
-{
-
-}
-
-void OpenGL1Graphics::drawTile(ImageVertexes *vert A_UNUSED)
-{
-
-}
-
-void OpenGL1Graphics::drawImageRect2(GraphicsVertexes* vert,
- const ImageRect &imgRect)
-{
- if (!vert)
- return;
-
- drawImageRect(vert->getX(), vert->getY(), vert->getW(), vert->getH(),
- imgRect.grid[0], imgRect.grid[2], imgRect.grid[6], imgRect.grid[8],
- imgRect.grid[1], imgRect.grid[5], imgRect.grid[7], imgRect.grid[3],
- imgRect.grid[4]);
-}
-
-void OpenGL1Graphics::updateScreen()
-{
- glFlush();
- glFinish();
- SDL_GL_SwapBuffers();
-}
-
-void OpenGL1Graphics::_beginDraw()
-{
- glMatrixMode(GL_TEXTURE);
- glLoadIdentity();
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
-
- glOrtho(0.0, static_cast<double>(mTarget->w),
- static_cast<double>(mTarget->h), 0.0, -1.0, 1.0);
-
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-
- glEnable(GL_SCISSOR_TEST);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- pushClipArea(gcn::Rectangle(0, 0, mTarget->w, mTarget->h));
-}
-
-void OpenGL1Graphics::_endDraw()
-{
- popClipArea();
-}
-
-void OpenGL1Graphics::prepareScreenshot()
-{
-#if !defined(_WIN32)
- if (config.getBoolValue("usefbo"))
- {
- int h = mTarget->h;
- int w = mTarget->w;
-
- // create a texture object
- glGenTextures(1, &mTextureId);
- glBindTexture(GL_TEXTURE_2D, mTextureId);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
- glBindTexture(GL_TEXTURE_2D, 0);
-
- // create a renderbuffer object to store depth info
- glGenRenderbuffersEXT(1, &mRboId);
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mRboId);
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT,
- GL_DEPTH_COMPONENT, w, h);
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
-
- // create a framebuffer object
- glGenFramebuffersEXT(1, &mFboId);
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFboId);
-
- // attach the texture to FBO color attachment point
- glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
- GL_TEXTURE_2D, mTextureId, 0);
-
- // attach the renderbuffer to depth attachment point
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
- GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mRboId);
-
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFboId);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- }
-#endif
-}
-
-SDL_Surface* OpenGL1Graphics::getScreenshot()
-{
- const int h = mTarget->h;
- const int w = mTarget->w - (mTarget->w % 4);
- GLint pack = 1;
-
- SDL_Surface *screenshot = SDL_CreateRGBSurface(
- SDL_SWSURFACE,
- w, h, 24,
- 0xff0000, 0x00ff00, 0x0000ff, 0x000000);
-
- if (!screenshot)
- return nullptr;
-
- if (SDL_MUSTLOCK(screenshot))
- SDL_LockSurface(screenshot);
-
- // 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
- unsigned int lineSize = 3 * w;
- GLubyte* buf = static_cast<GLubyte*>(malloc(lineSize));
-
- for (int i = 0; i < (h / 2); i++)
- {
- GLubyte *top = static_cast<GLubyte*>(
- screenshot->pixels) + lineSize * i;
- GLubyte *bot = static_cast<GLubyte*>(
- screenshot->pixels) + lineSize * (h - 1 - i);
-
- memcpy(buf, top, lineSize);
- memcpy(top, bot, lineSize);
- memcpy(bot, buf, lineSize);
- }
-
- free(buf);
-
-#if !defined(_WIN32)
- if (config.getBoolValue("usefbo"))
- {
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- if (mFboId)
- {
- glDeleteFramebuffersEXT(1, &mFboId);
- mFboId = 0;
- }
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
- if (mRboId)
- {
- glDeleteRenderbuffersEXT(1, &mRboId);
- mRboId = 0;
- }
- if (mTextureId)
- {
- glDeleteTextures(1, &mTextureId);
- mTextureId = 0;
- }
- }
-#endif
-
- glPixelStorei(GL_PACK_ALIGNMENT, pack);
-
- if (SDL_MUSTLOCK(screenshot))
- SDL_UnlockSurface(screenshot);
-
- return screenshot;
-}
-
-bool OpenGL1Graphics::pushClipArea(gcn::Rectangle area)
-{
- int transX = 0;
- int transY = 0;
-
- if (!mClipStack.empty())
- {
- const gcn::ClipRectangle &clipArea = mClipStack.top();
- transX = -clipArea.xOffset;
- transY = -clipArea.yOffset;
- }
-
- bool result = gcn::Graphics::pushClipArea(area);
-
- const gcn::ClipRectangle &clipArea = mClipStack.top();
- transX += clipArea.xOffset;
- transY += clipArea.yOffset;
-
- glPushMatrix();
- glTranslatef(static_cast<GLfloat>(transX),
- static_cast<GLfloat>(transY), 0);
- glScissor(clipArea.x, mTarget->h - clipArea.y - clipArea.height,
- clipArea.width, clipArea.height);
-
- return result;
-}
-
-void OpenGL1Graphics::popClipArea()
-{
- gcn::Graphics::popClipArea();
-
- if (mClipStack.empty())
- return;
-
- glPopMatrix();
- const gcn::ClipRectangle &clipArea = mClipStack.top();
- glScissor(clipArea.x, mTarget->h - clipArea.y - clipArea.height,
- clipArea.width, clipArea.height);
-}
-
-void OpenGL1Graphics::setColor(const gcn::Color& color)
-{
- mColor = color;
- glColor4ub(static_cast<GLubyte>(color.r),
- static_cast<GLubyte>(color.g),
- static_cast<GLubyte>(color.b),
- static_cast<GLubyte>(color.a));
-
- mColorAlpha = (color.a != 255);
-}
-
-void OpenGL1Graphics::drawPoint(int x, int y)
-{
- setTexturingAndBlending(false);
-
- glBegin(GL_POINTS);
- glVertex2i(x, y);
- glEnd();
-}
-
-void OpenGL1Graphics::drawLine(int x1, int y1, int x2, int y2)
-{
- setTexturingAndBlending(false);
-
- 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();
-
- glBegin(GL_POINTS);
- glVertex2f(static_cast<float>(x2) + 0.5f, static_cast<float>(y2) + 0.5f);
- glEnd();
-}
-
-void OpenGL1Graphics::drawRectangle(const gcn::Rectangle& rect)
-{
- drawRectangle(rect, false);
-}
-
-void OpenGL1Graphics::fillRectangle(const gcn::Rectangle& rect)
-{
- drawRectangle(rect, true);
-}
-
-void OpenGL1Graphics::setTargetPlane(int width A_UNUSED, int height A_UNUSED)
-{
-}
-
-void OpenGL1Graphics::setTexturingAndBlending(bool enable)
-{
- if (enable)
- {
- if (!mTexture)
- {
- glEnable(OpenGLImageHelper::mTextureType);
- 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);
- mTexture = false;
- }
- }
-}
-
-void OpenGL1Graphics::drawRectangle(const gcn::Rectangle& rect, bool filled)
-{
- const float offset = filled ? 0 : 0.5f;
-
- setTexturingAndBlending(false);
-
- 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();
-}
-
-void OpenGL1Graphics::bindTexture(GLenum target, GLuint texture)
-{
- if (mLastImage != texture)
- {
- mLastImage = texture;
- glBindTexture(target, texture);
- }
-}
-
-#endif // USE_OPENGL