/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2015 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) && !defined(__native_client__)
#include "render/normalopenglgraphics.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] = y2; \
vVar[vp + 0] = dstX; \
vVar[vp + 1] = dstY; \
vVar[vp + 2] = dstX + w; \
vVar[vp + 3] = dstY; \
vVar[vp + 4] = dstX + w; \
vVar[vp + 5] = dstY + h; \
vVar[vp + 6] = dstX; \
vVar[vp + 7] = dstY + h;
#define vertFillNv(tVar, vVar, srcX, srcY, dstX, dstY, w, h) \
tVar[vp + 0] = srcX; \
tVar[vp + 1] = srcY; \
tVar[vp + 2] = srcX + w; \
tVar[vp + 3] = srcY; \
tVar[vp + 4] = srcX + w; \
tVar[vp + 5] = srcY + h; \
tVar[vp + 6] = srcX; \
tVar[vp + 7] = srcY + h; \
vVar[vp + 0] = dstX; \
vVar[vp + 1] = dstY; \
vVar[vp + 2] = dstX + w; \
vVar[vp + 3] = dstY; \
vVar[vp + 4] = dstX + w; \
vVar[vp + 5] = dstY + h; \
vVar[vp + 6] = dstX; \
vVar[vp + 7] = dstY + h;
namespace
{
const void *vertPtr = nullptr;
} // namespace
GLuint NormalOpenGLGraphics::mTextureBinded = 0;
#ifdef DEBUG_DRAW_CALLS
unsigned int NormalOpenGLGraphics::mDrawCalls = 0;
unsigned int NormalOpenGLGraphics::mLastDrawCalls = 0;
#endif
#ifdef DEBUG_BIND_TEXTURE
unsigned int NormalOpenGLGraphics::mBinds = 0;
unsigned int NormalOpenGLGraphics::mLastBinds = 0;
#endif
NormalOpenGLGraphics::NormalOpenGLGraphics() :
mFloatTexArray(nullptr),
mIntTexArray(nullptr),
mIntVertArray(nullptr),
mFloatTexArrayCached(nullptr),
mIntTexArrayCached(nullptr),
mIntVertArrayCached(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_NORMAL_OPENGL;
mName = "normal OpenGL";
}
NormalOpenGLGraphics::~NormalOpenGLGraphics()
{
deleteArraysInternal();
}
void NormalOpenGLGraphics::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
vertexBufSize = mMaxVertices;
const size_t sz = mMaxVertices * 4 + 30;
if (!mFloatTexArray)
mFloatTexArray = new GLfloat[sz];
if (!mIntTexArray)
mIntTexArray = new GLint[sz];
if (!mIntVertArray)
mIntVertArray = new GLint[sz];
if (!mFloatTexArrayCached)
mFloatTexArrayCached = new GLfloat[sz];
if (!mIntTexArrayCached)
mIntTexArrayCached = new GLint[sz];
if (!mIntVertArrayCached)
mIntVertArrayCached = new GLint[sz];
}
void NormalOpenGLGraphics::deleteArrays()
{
deleteArraysInternal();
}
void NormalOpenGLGraphics::deleteArraysInternal()
{
delete [] mFloatTexArray;
mFloatTexArray = nullptr;
delete [] mIntTexArray;
mIntTexArray = nullptr;
delete [] mIntVertArray;
mIntVertArray = nullptr;
delete [] mFloatTexArrayCached;
mFloatTexArrayCached = nullptr;
delete [] mIntTexArrayCached;
mIntTexArrayCached = nullptr;
delete [] mIntVertArrayCached;
mIntVertArrayCached = nullptr;
}
bool NormalOpenGLGraphics::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 bindPointerIntFloat(const GLint *const vert,
const GLfloat *const tex)
{
if (vertPtr != vert)
{
vertPtr = vert;
glVertexPointer(2, GL_INT, 0, vert);
glTexCoordPointer(2, GL_FLOAT, 0, tex);
}
}
static inline void bindPointerInt(const GLint *const vert,
const GLint *const tex)
{
if (vertPtr != vert)
{
vertPtr = vert;
glVertexPointer(2, GL_INT, 0, vert);
glTexCoordPointer(2, GL_INT, 0, tex);
}
}
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) A_NONNULL(1);
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,
texX2, texY2,
texX1, texY2
};
GLint vert[] =
{
dstX, dstY,
dstX + width, dstY,
dstX + width, dstY + height,
dstX, dstY + height
};
bindPointerIntFloat(&vert[0], &tex[0]);
#ifdef DEBUG_DRAW_CALLS
NormalOpenGLGraphics::mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, 4);
}
else
{
GLint tex[] =
{
srcX, srcY,
srcX + width, srcY,
srcX + width, srcY + height,
srcX, srcY + height
};
GLint vert[] =
{
dstX, dstY,
dstX + width, dstY,
dstX + width, dstY + height,
dstX, dstY + height
};
bindPointerInt(&vert[0], &tex[0]);
#ifdef DEBUG_DRAW_CALLS
NormalOpenGLGraphics::mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 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) A_NONNULL(1);
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,
texX2, texY2,
texX1, texY2
};
GLint vert[] =
{
dstX, dstY,
dstX + desiredWidth, dstY,
dstX + desiredWidth, dstY + desiredHeight,
dstX, dstY + desiredHeight
};
bindPointerIntFloat(&vert[0], &tex[0]);
#ifdef DEBUG_DRAW_CALLS
NormalOpenGLGraphics::mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, 4);
}
else
{
GLint tex[] =
{
srcX, srcY,
srcX + width, srcY,
srcX + width, srcY + height,
srcX, srcY + height
};
GLint vert[] =
{
dstX, dstY,
dstX + desiredWidth, dstY,
dstX + desiredWidth, dstY + desiredHeight,
dstX, dstY + desiredHeight
};
bindPointerInt(&vert[0], &tex[0]);
#ifdef DEBUG_DRAW_CALLS
NormalOpenGLGraphics::mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, 4);
}
}
void NormalOpenGLGraphics::drawImage(const Image *const image,
int dstX, int dstY)
{
drawImageInline(image, dstX, dstY);
}
void NormalOpenGLGraphics::drawImageInline(const Image *const image,
int dstX, int dstY)
{
FUNC_BLOCK("Graphics::drawImage", 1)
if (!image)
return;
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);
}
void NormalOpenGLGraphics::copyImage(const Image *const image,
int dstX, int dstY)
{
drawImageInline(image, dstX, dstY);
}
void NormalOpenGLGraphics::testDraw()
{
if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
{
GLfloat tex[] =
{
0.0f, 0.781250f,
0.0f, 0.781250f,
0.0f, 0.585938f,
0.0f, 0.585938f
};
GLint vert[] =
{
0, 0,
800, 0,
800, 600,
0, 600
};
bindPointerIntFloat(&vert[0], &tex[0]);
#ifdef DEBUG_DRAW_CALLS
NormalOpenGLGraphics::mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, 4);
}
else
{
GLint tex[] =
{
0, 0,
800, 0,
800, 600,
0, 600
};
GLint vert[] =
{
0, 0,
800, 0,
800, 600,
0, 600
};
bindPointerInt(&vert[0], &tex[0]);
#ifdef DEBUG_DRAW_CALLS
NormalOpenGLGraphics::mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, 4);
}
}
void NormalOpenGLGraphics::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 w = imageRect.w;
const int h = imageRect.h;
if (w == 0 || h == 0)
return;
const int srcX = imageRect.x;
const int srcY = imageRect.y;
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)
{
const float texX1 = static_cast<float>(srcX) / tw;
const float texY1 = static_cast<float>(srcY) / th;
const float texX2 = static_cast<float>(srcX + w) / tw;
const float texY2 = static_cast<float>(srcY + h) / th;
vertFill2D(mFloatTexArrayCached, mIntVertArrayCached,
texX1, texY1, texX2, texY2,
x, y, w, h);
vp += 8;
if (vp >= vLimit)
{
completeCache();
vp = 0;
}
else
{
mVpCached = vp;
}
}
else
{
vertFillNv(mIntTexArrayCached, mIntVertArrayCached,
srcX, srcY, x, y, w, h);
vp += 8;
if (vp >= vLimit)
{
completeCache();
vp = 0;
}
else
{
mVpCached = vp;
}
}
}
void NormalOpenGLGraphics::drawPatternCached(const Image *const image,
const int x, const int y,
const int w, const int h)
{
FUNC_BLOCK("Graphics::drawPatternCached", 1)
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 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(mFloatTexArrayCached, mIntVertArrayCached,
texX1, texY1, texX2, texY2,
dstX, dstY, width, height);
vp += 8;
if (vp >= vLimit)
{
completeCache();
vp = 0;
}
}
}
}
else
{
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)
{
const int width = (px + iw >= w) ? w - px : iw;
const int dstX = x + px;
vertFillNv(mIntTexArrayCached, mIntVertArrayCached,
srcX, srcY, dstX, dstY, width, height);
vp += 8;
if (vp >= vLimit)
{
completeCache();
vp = 0;
}
}
}
}
mVpCached = vp;
}
void NormalOpenGLGraphics::completeCache()
{
if (!mImageCached)
return;
setColorAlpha(mAlphaCached);
#ifdef DEBUG_BIND_TEXTURE
debugBindTexture(image);
#endif
bindTexture(OpenGLImageHelper::mTextureType, mImageCached);
setTexturingAndBlending(true);
if (OpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
drawQuadArrayfiCached(mVpCached);
else
drawQuadArrayiiCached(mVpCached);
mImageCached = 0;
mVpCached = 0;
}
void NormalOpenGLGraphics::drawRescaledImage(const Image *const image,
int dstX, int dstY,
const int desiredWidth,
const int desiredHeight)
{
FUNC_BLOCK("Graphics::drawRescaledImage", 1)
if (!image)
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);
#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);
}
void NormalOpenGLGraphics::drawPattern(const Image *const image,
const int x, const int y,
const int w, const int h)
{
drawPatternInline(image, x, y, w, h);
}
void NormalOpenGLGraphics::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 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(mFloatTexArray, mIntVertArray,
texX1, texY1, texX2, texY2,
dstX, dstY, width, height);
vp += 8;
if (vp >= vLimit)
{
drawQuadArrayfi(vp);
vp = 0;
}
}
}
if (vp > 0)
drawQuadArrayfi(vp);
}
else
{
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)
{
const int width = (px + iw >= w) ? w - px : iw;
const int dstX = x + px;
vertFillNv(mIntTexArray, mIntVertArray,
srcX, srcY, dstX, dstY, width, height);
vp += 8;
if (vp >= vLimit)
{
drawQuadArrayii(vp);
vp = 0;
}
}
}
if (vp > 0)
drawQuadArrayii(vp);
}
}
void NormalOpenGLGraphics::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 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);
#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, mIntVertArray,
texX1, texY1, texX2, texY2,
dstX, dstY, width, height);
vp += 8;
if (vp >= vLimit)
{
drawQuadArrayfi(vp);
vp = 0;
}
}
}
if (vp > 0)
drawQuadArrayfi(vp);
}
else
{
const float scaleFactorW = static_cast<float>(scaledWidth) / iw;
const float scaleFactorH = static_cast<float>(scaledHeight) / ih;
for (int py = 0; py < h; py += scaledHeight)
{
const int height = (py + scaledHeight >= h)
? h - py : scaledHeight;
const int dstY = y + py;
const int scaledY = srcY + height / scaleFactorH;
for (int px = 0; px < w; px += scaledWidth)
{
const int width = (px + scaledWidth >= w)
? w - px : scaledWidth;
const int dstX = x + px;
const int scaledX = srcX + width / scaleFactorW;
mIntTexArray[vp + 0] = srcX;
mIntTexArray[vp + 1] = srcY;
mIntTexArray[vp + 2] = scaledX;
mIntTexArray[vp + 3] = srcY;
mIntTexArray[vp + 4] = scaledX;
mIntTexArray[vp + 5] = scaledY;
mIntTexArray[vp + 6] = srcX;
mIntTexArray[vp + 7] = scaledY;
mIntVertArray[vp + 0] = dstX;
mIntVertArray[vp + 1] = dstY;
mIntVertArray[vp + 2] = dstX + width;
mIntVertArray[vp + 3] = dstY;
mIntVertArray[vp + 4] = dstX + width;
mIntVertArray[vp + 5] = dstY + height;
mIntVertArray[vp + 6] = dstX;
mIntVertArray[vp + 7] = dstY + height;
vp += 8;
if (vp >= vLimit)
{
drawQuadArrayii(vp);
vp = 0;
}
}
}
if (vp > 0)
drawQuadArrayii(vp);
}
}
inline void NormalOpenGLGraphics::drawVertexes(const
OpenGLGraphicsVertexes
&ogl)
{
const std::vector<GLint*> &intVertPool = ogl.mIntVertPool;
std::vector<GLint*>::const_iterator iv;
const std::vector<GLint*>::const_iterator iv_end = intVertPool.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 = intVertPool.begin(), ft = floatTexPool.begin(),
ivp = vp.begin();
iv != iv_end && ft != ft_end && ivp != ivp_end;
++ iv, ++ ft, ++ ivp)
{
drawQuadArrayfi(*iv, *ft, *ivp);
}
}
else
{
const std::vector<GLint*> &intTexPool = ogl.mIntTexPool;
std::vector<GLint*>::const_iterator it;
const std::vector<GLint*>::const_iterator it_end = intTexPool.end();
for (iv = intVertPool.begin(), it = intTexPool.begin(),
ivp = vp.begin();
iv != iv_end && it != it_end && ivp != ivp_end;
++ iv, ++ it, ++ ivp)
{
drawQuadArrayii(*iv, *it, *ivp);
}
}
}
void NormalOpenGLGraphics::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 NormalOpenGLGraphics::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 iw = imageRect.w;
const int ih = imageRect.h;
if (iw == 0 || ih == 0)
return;
const int srcX = imageRect.x;
const int srcY = imageRect.y;
const float tw = static_cast<float>(image->mTexWidth);
const float th = static_cast<float>(image->mTexHeight);
const unsigned int vLimit = mMaxVertices * 4;
OpenGLGraphicsVertexes &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();
GLint *intVertArray = ogl.continueIntVertArray();
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, intVertArray,
texX1, texY1, texX2, texY2,
dstX, dstY, width, height);
vp += 8;
if (vp >= vLimit)
{
floatTexArray = ogl.switchFloatTexArray();
intVertArray = ogl.switchIntVertArray();
ogl.switchVp(vp);
vp = 0;
}
}
}
}
else
{
GLint *intTexArray = ogl.continueIntTexArray();
GLint *intVertArray = ogl.continueIntVertArray();
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)
{
const int width = (px + iw >= w) ? w - px : iw;
const int dstX = x + px;
vertFillNv(intTexArray, intVertArray,
srcX, srcY, dstX, dstY, width, height);
vp += 8;
if (vp >= vLimit)
{
intTexArray = ogl.switchIntTexArray();
intVertArray = ogl.switchIntVertArray();
ogl.switchVp(vp);
vp = 0;
}
}
}
}
ogl.switchVp(vp);
}
void NormalOpenGLGraphics::calcTileCollection(ImageCollection *const vertCol,
const Image *const image,
int x, int y)
{
if (!vertCol || !image)
return;
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 NormalOpenGLGraphics::drawTileCollection(const ImageCollection
*const vertCol)
{
if (!vertCol)
return;
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 NormalOpenGLGraphics::calcPattern(ImageCollection* const vertCol,
const Image *const image,
const int x, const int y,
const int w, const int h) const
{
if (!vertCol || !image)
return;
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 NormalOpenGLGraphics::calcTileVertexes(ImageVertexes *const vert,
const Image *const image,
int dstX, int dstY) const
{
calcTileVertexesInline(vert, image, dstX, dstY);
}
void NormalOpenGLGraphics::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 w = imageRect.w;
const int h = imageRect.h;
if (w == 0 || h == 0)
return;
const int srcX = imageRect.x;
const int srcY = imageRect.y;
const float tw = static_cast<float>(image->mTexWidth);
const float th = static_cast<float>(image->mTexHeight);
const unsigned int vLimit = mMaxVertices * 4;
OpenGLGraphicsVertexes &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)
{
const float texX1 = static_cast<float>(srcX) / tw;
const float texY1 = static_cast<float>(srcY) / th;
const float texX2 = static_cast<float>(srcX + w) / tw;
const float texY2 = static_cast<float>(srcY + h) / th;
GLfloat *const floatTexArray = ogl.continueFloatTexArray();
GLint *const intVertArray = ogl.continueIntVertArray();
vertFill2D(floatTexArray, intVertArray,
texX1, texY1, texX2, texY2,
dstX, dstY, w, h);
vp += 8;
if (vp >= vLimit)
{
ogl.switchFloatTexArray();
ogl.switchIntVertArray();
ogl.switchVp(vp);
vp = 0;
}
}
else
{
GLint *const intTexArray = ogl.continueIntTexArray();
GLint *const intVertArray = ogl.continueIntVertArray();
vertFillNv(intTexArray, intVertArray,
srcX, srcY, dstX, dstY, w, h);
vp += 8;
if (vp >= vLimit)
{
ogl.switchIntTexArray();
ogl.switchIntVertArray();
ogl.switchVp(vp);
vp = 0;
}
}
ogl.switchVp(vp);
}
void NormalOpenGLGraphics::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 NormalOpenGLGraphics::calcWindow(ImageCollection *const vertCol,
const int x, const int y,
const int w, const int h,
const ImageRect &imgRect)
{
if (!vertCol)
return;
ImageVertexes *vert = nullptr;
Image *const image = imgRect.grid[4];
if (!image)
return;
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 NormalOpenGLGraphics::updateScreen()
{
BLOCK_START("Graphics::updateScreen")
// glFlush();
// glFinish();
#ifdef DEBUG_DRAW_CALLS
mLastDrawCalls = mDrawCalls;
mDrawCalls = 0;
#endif
#ifdef DEBUG_BIND_TEXTURE
mLastBinds = mBinds;
mBinds = 0;
#endif
#ifdef USE_SDL2
SDL_GL_SwapWindow(mWindow);
#else
SDL_GL_SwapBuffers();
#endif
#ifdef DEBUG_OPENGL
if (isGLNotNull(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 NormalOpenGLGraphics::beginDraw()
{
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
const int w = mRect.w;
const int h = mRect.h;
#ifdef ANDROID
glOrthof(0.0, static_cast<float>(w),
static_cast<float>(h),
0.0, -1.0, 1.0);
#else
glOrtho(0.0, static_cast<double>(w),
static_cast<double>(h),
0.0, -1.0, 1.0);
#endif
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
setOpenGLFlags();
glDisable(GL_LIGHTING);
glDisable(GL_FOG);
glDisable(GL_COLOR_MATERIAL);
glEnableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glShadeModel(GL_FLAT);
glDepthMask(GL_FALSE);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
#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);
#endif
pushClipArea(Rect(0, 0, w, h));
}
void NormalOpenGLGraphics::endDraw()
{
popClipArea();
}
void NormalOpenGLGraphics::pushClipArea(const Rect &area)
{
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();
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);
}
void NormalOpenGLGraphics::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);
}
void NormalOpenGLGraphics::drawPoint(int x, int y)
{
setTexturingAndBlending(false);
restoreColor();
#ifdef ANDROID
// TODO need fix
#else
glBegin(GL_POINTS);
glVertex2i(x, y);
glEnd();
#endif
}
void NormalOpenGLGraphics::drawLine(int x1, int y1, int x2, int y2)
{
setTexturingAndBlending(false);
restoreColor();
mFloatTexArray[0] = static_cast<float>(x1) + 0.5F;
mFloatTexArray[1] = static_cast<float>(y1) + 0.5F;
mFloatTexArray[2] = static_cast<float>(x2) + 0.5F;
mFloatTexArray[3] = static_cast<float>(y2) + 0.5F;
drawLineArrayf(4);
}
void NormalOpenGLGraphics::drawRectangle(const Rect& rect)
{
drawRectangle(rect, false);
}
void NormalOpenGLGraphics::fillRectangle(const Rect& rect)
{
drawRectangle(rect, true);
}
void NormalOpenGLGraphics::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
{
mTextureBinded = 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 NormalOpenGLGraphics::drawRectangle(const Rect& rect,
const bool filled)
{
BLOCK_START("Graphics::drawRectangle")
const float offset = filled ? 0 : 0.5F;
const float x = static_cast<float>(rect.x);
const float y = static_cast<float>(rect.y);
const float width = static_cast<float>(rect.width);
const float height = static_cast<float>(rect.height);
setTexturingAndBlending(false);
restoreColor();
GLfloat vert[] =
{
x + offset, y + offset,
x + width - offset, y + offset,
x + width - offset, y + height - offset,
x + offset, y + height - offset
};
glVertexPointer(2, GL_FLOAT, 0, &vert);
vertPtr = nullptr;
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(filled ? GL_QUADS : GL_LINE_LOOP, 0, 4);
BLOCK_END("Graphics::drawRectangle")
}
void NormalOpenGLGraphics::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 float xf1 = static_cast<float>(x1);
const float xf2 = static_cast<float>(x2);
const float yf1 = static_cast<float>(y1);
const float yf2 = static_cast<float>(y2);
for (int y = y1; y < y2; y += height)
{
mFloatTexArray[vp + 0] = xf1;
mFloatTexArray[vp + 1] = static_cast<float>(y);
mFloatTexArray[vp + 2] = xf2;
mFloatTexArray[vp + 3] = static_cast<float>(y);
vp += 4;
if (vp >= vLimit)
{
drawLineArrayf(vp);
vp = 0;
}
}
for (int x = x1; x < x2; x += width)
{
mFloatTexArray[vp + 0] = static_cast<float>(x);
mFloatTexArray[vp + 1] = yf1;
mFloatTexArray[vp + 2] = static_cast<float>(x);
mFloatTexArray[vp + 3] = yf2;
vp += 4;
if (vp >= vLimit)
{
drawLineArrayf(vp);
vp = 0;
}
}
if (vp > 0)
drawLineArrayf(vp);
}
void NormalOpenGLGraphics::bindTexture(const GLenum target,
const GLuint texture)
{
if (mTextureBinded != texture)
{
mTextureBinded = texture;
glBindTexture(target, texture);
#ifdef DEBUG_BIND_TEXTURE
mBinds ++;
#endif
}
}
inline void NormalOpenGLGraphics::drawQuadArrayfi(const int size)
{
bindPointerIntFloat(&mIntVertArray[0], &mFloatTexArray[0]);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, size / 2);
}
inline void NormalOpenGLGraphics::drawQuadArrayfiCached(const int size)
{
bindPointerIntFloat(&mIntVertArrayCached[0], &mFloatTexArrayCached[0]);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, size / 2);
}
inline void NormalOpenGLGraphics::drawQuadArrayfi(const GLint *const
intVertArray,
const GLfloat *const
floatTexArray,
const int size)
{
vertPtr = intVertArray;
glVertexPointer(2, GL_INT, 0, intVertArray);
glTexCoordPointer(2, GL_FLOAT, 0, floatTexArray);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, size / 2);
}
inline void NormalOpenGLGraphics::drawQuadArrayii(const int size)
{
bindPointerInt(&mIntVertArray[0], &mIntTexArray[0]);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, size / 2);
}
inline void NormalOpenGLGraphics::drawQuadArrayiiCached(const int size)
{
bindPointerInt(&mIntVertArrayCached[0], &mIntTexArrayCached[0]);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, size / 2);
}
inline void NormalOpenGLGraphics::drawQuadArrayii(const GLint *const
intVertArray,
const GLint *const
intTexArray,
const int size)
{
vertPtr = intVertArray;
glVertexPointer(2, GL_INT, 0, intVertArray);
glTexCoordPointer(2, GL_INT, 0, intTexArray);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_QUADS, 0, size / 2);
}
inline void NormalOpenGLGraphics::drawLineArrayi(const int size)
{
glVertexPointer(2, GL_INT, 0, mIntVertArray);
vertPtr = nullptr;
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_LINES, 0, size / 2);
}
inline void NormalOpenGLGraphics::drawLineArrayf(const int size)
{
glVertexPointer(2, GL_FLOAT, 0, mFloatTexArray);
vertPtr = nullptr;
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
glDrawArrays(GL_LINES, 0, size / 2);
}
void NormalOpenGLGraphics::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 NormalOpenGLGraphics::setColorAlpha(const float alpha)
{
if (!mIsByteColor && mFloatColor == alpha)
return;
glColor4f(1.0F, 1.0F, 1.0F, alpha);
mIsByteColor = false;
mFloatColor = alpha;
}
void NormalOpenGLGraphics::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 NormalOpenGLGraphics::drawImageRect(const int x, const int y,
const int w, const int h,
const ImageRect &imgRect)
{
#include "render/graphics_drawImageRect.hpp"
}
void NormalOpenGLGraphics::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 NormalOpenGLGraphics::clearScreen() const
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
#ifdef DEBUG_BIND_TEXTURE
void NormalOpenGLGraphics::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 NormalOpenGLGraphics::debugBindTexture(const Image *const image A_UNUSED)
{
}
#endif
#endif // defined(USE_OPENGL) && !defined(ANDROID) &&
// !defined(__native_client__)