/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2016 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/modernopenglgraphics.h"
#include "graphicsmanager.h"
#include "logger.h"
#include "render/opengl/mgl.h"
#ifdef __native_client__
#include "render/opengl/naclglfunctions.h"
#endif
#include "render/shaders/shaderprogram.h"
#include "render/shaders/shadersmanager.h"
#include "render/vertexes/imagecollection.h"
#include "resources/image.h"
#include "resources/imagerect.h"
#include "resources/openglimagehelper.h"
#include "utils/delete2.h"
#include "utils/sdlcheckutils.h"
#include "utils/sdlhelper.h"
#include "debug.h"
#define vertFill2D(var, x1, y1, x2, y2, dstX, dstY, w, h) \
var[vp + 0] = dstX; \
var[vp + 1] = dstY; \
var[vp + 2] = x1; \
var[vp + 3] = y1; \
\
var[vp + 4] = dstX + w; \
var[vp + 5] = dstY; \
var[vp + 6] = x2; \
var[vp + 7] = y1; \
\
var[vp + 8] = dstX + w; \
var[vp + 9] = dstY + h; \
var[vp + 10] = x2; \
var[vp + 11] = y2; \
\
var[vp + 12] = dstX; \
var[vp + 13] = dstY; \
var[vp + 14] = x1; \
var[vp + 15] = y1; \
\
var[vp + 16] = dstX; \
var[vp + 17] = dstY + h; \
var[vp + 18] = x1; \
var[vp + 19] = y2; \
\
var[vp + 20] = dstX + w; \
var[vp + 21] = dstY + h; \
var[vp + 22] = x2; \
var[vp + 23] = y2;
GLuint ModernOpenGLGraphics::mTextureBinded = 0;
#ifdef DEBUG_DRAW_CALLS
unsigned int ModernOpenGLGraphics::mDrawCalls = 0;
unsigned int ModernOpenGLGraphics::mLastDrawCalls = 0;
#endif
ModernOpenGLGraphics::ModernOpenGLGraphics() :
mIntArray(nullptr),
mIntArrayCached(nullptr),
mProgram(nullptr),
mAlphaCached(1.0F),
mVpCached(0),
mFloatColor(1.0F),
mMaxVertices(500),
mProgramId(0U),
mSimpleColorUniform(0U),
mPosAttrib(0),
mTextureColorUniform(0U),
mScreenUniform(0U),
mDrawTypeUniform(0U),
mVao(0U),
mVbo(0U),
mEbo(0U),
mVboBinded(0U),
mEboBinded(0U),
mAttributesBinded(0U),
mColorAlpha(false),
mTextureDraw(false),
#ifdef DEBUG_BIND_TEXTURE
mOldTexture(),
mOldTextureId(0),
#endif
mFbo()
{
mOpenGL = RENDER_MODERN_OPENGL;
mName = "modern OpenGL";
}
ModernOpenGLGraphics::~ModernOpenGLGraphics()
{
deleteArraysInternal();
deleteGLObjects();
}
void ModernOpenGLGraphics::deleteGLObjects() restrict2
{
delete2(mProgram);
if (mVbo)
{
// logger->log("delete buffer vbo: %u", mVbo);
mglDeleteBuffers(1, &mVbo);
}
if (mEbo)
{
// logger->log("delete buffer ebo: %u", mEbo);
mglDeleteBuffers(1, &mEbo);
}
if (mVao)
mglDeleteVertexArrays(1, &mVao);
}
void ModernOpenGLGraphics::initArrays(const int vertCount) restrict2
{
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 (!mIntArray)
mIntArray = new GLint[sz];
if (!mIntArrayCached)
mIntArrayCached = new GLint[sz];
}
void ModernOpenGLGraphics::postInit() restrict2
{
mglGenVertexArrays(1, &mVao);
mglBindVertexArray(mVao);
mglGenBuffers(1, &mVbo);
// logger->log("gen vbo buffer: %u", mVbo);
bindArrayBuffer(mVbo);
mglGenBuffers(1, &mEbo);
// logger->log("gen ebo buffer: %u", mEbo);
bindElementBuffer(mEbo);
logger->log("Compiling shaders");
mProgram = shaders.getSimpleProgram();
if (!mProgram)
{
graphicsManager.logError();
logger->safeError("Shader creation error. See manaplus.log.");
}
mProgramId = mProgram->getProgramId();
if (!mProgramId)
logger->error("Shaders compilation error.");
logger->log("Shaders compilation done.");
mglUseProgram(mProgramId);
mPosAttrib = mglGetAttribLocation(mProgramId, "position");
mglEnableVertexAttribArray(mPosAttrib);
mglVertexAttribIFormat(mPosAttrib, 4, GL_INT, 0);
mSimpleColorUniform = mglGetUniformLocation(mProgramId, "color");
mScreenUniform = mglGetUniformLocation(mProgramId, "screen");
mDrawTypeUniform = mglGetUniformLocation(mProgramId, "drawType");
mTextureColorUniform = mglGetUniformLocation(mProgramId, "alpha");
mglUniform1f(mTextureColorUniform, 1.0f);
mglBindVertexBuffer(0, mVbo, 0, 4 * sizeof(GLint));
mglVertexAttribBinding(mPosAttrib, 0);
// mglVertexAttribIPointer(mPosAttrib, 4, GL_INT, 4 * sizeof(GLint), 0);
mAttributesBinded = mVbo;
mglUniform2f(mScreenUniform,
static_cast<float>(mWidth) / 2.0f,
static_cast<float>(mHeight) / 2.0f);
}
void ModernOpenGLGraphics::screenResized() restrict2
{
deleteGLObjects();
mVboBinded = 0U;
mEboBinded = 0U;
mAttributesBinded = 0U;
postInit();
}
void ModernOpenGLGraphics::deleteArrays() restrict2
{
deleteArraysInternal();
}
void ModernOpenGLGraphics::deleteArraysInternal() restrict2
{
delete [] mIntArray;
mIntArray = nullptr;
delete [] mIntArrayCached;
mIntArrayCached = 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) restrict2
{
setMainFlags(w, h, scale, bpp, fs, hwaccel, resize, noFrame);
return setOpenGLMode();
}
void ModernOpenGLGraphics::setColor(const Color &restrict color) restrict2
{
mColorAlpha = (color.a != 255);
if (mColor != color)
{
mColor = color;
mglUniform4f(mSimpleColorUniform,
static_cast<float>(color.r) / 255.0F,
static_cast<float>(color.g) / 255.0F,
static_cast<float>(color.b) / 255.0F,
static_cast<float>(color.a) / 255.0F);
}
}
void ModernOpenGLGraphics::setColorAlpha(const float alpha) restrict2
{
if (mAlphaCached != alpha)
{
mAlphaCached = alpha;
mglUniform1f(mTextureColorUniform, alpha);
}
}
void ModernOpenGLGraphics::drawQuad(const int srcX,
const int srcY,
const int dstX,
const int dstY,
const int width,
const int height) restrict2
{
const int texX2 = srcX + width;
const int texY2 = srcY + height;
const int x2 = dstX + width;
const int y2 = dstY + height;
GLint vertices[] =
{
dstX, dstY, srcX, srcY,
x2, dstY, texX2, srcY,
dstX, y2, srcX, texY2,
x2, y2, texX2, texY2
};
// logger->log("allocate: %d, %ld", mVboBinded, sizeof(vertices));
mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
vertices, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
void ModernOpenGLGraphics::drawRescaledQuad(const int srcX, const int srcY,
const int dstX, const int dstY,
const int width, const int height,
const int desiredWidth,
const int desiredHeight) restrict2
{
const int texX2 = srcX + width;
const int texY2 = srcY + height;
const int x2 = dstX + desiredWidth;
const int y2 = dstY + desiredHeight;
GLint vertices[] =
{
dstX, dstY, srcX, srcY,
x2, dstY, texX2, srcY,
dstX, y2, srcX, texY2,
x2, y2, texX2, texY2
};
// logger->log("allocate: %d, %ld", mVboBinded, sizeof(vertices));
mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
vertices, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
void ModernOpenGLGraphics::drawImage(const Image *restrict const image,
int dstX, int dstY) restrict2
{
drawImageInline(image, dstX, dstY);
}
void ModernOpenGLGraphics::drawImageInline(const Image *restrict const image,
int dstX, int dstY) restrict2
{
FUNC_BLOCK("Graphics::drawImage", 1)
if (!image)
return;
#ifdef DEBUG_BIND_TEXTURE
debugBindTexture(image);
#endif
bindTexture(GL_TEXTURE_2D, image->mGLImage);
setTexturingAndBlending(true);
bindArrayBufferAndAttributes(mVbo);
setColorAlpha(image->mAlpha);
const ClipRect &clipArea = mClipStack.top();
const SDL_Rect &imageRect = image->mBounds;
drawQuad(imageRect.x, imageRect.y,
dstX + clipArea.xOffset, dstY + clipArea.yOffset,
imageRect.w, imageRect.h);
}
void ModernOpenGLGraphics::copyImage(const Image *restrict const image,
int dstX, int dstY) restrict2
{
drawImageInline(image, dstX, dstY);
}
void ModernOpenGLGraphics::testDraw() restrict2
{
/*
GLint vertices[] =
{
0, 0, 0, 0,
800, 0, 800, 0,
0, 600, 0, 600,
800, 600, 800, 600
};
*/
// logger->log("allocate: %d, %ld", mVboBinded, sizeof(vertices));
// logger->log("allocate ebo: %d, %ld", mEboBinded, sizeof(elements));
// mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
// vertices, GL_STREAM_DRAW);
// mglBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(elements),
// elements, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
// glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_INT, 0);
}
void ModernOpenGLGraphics::drawImageCached(const Image *restrict const image
A_UNUSED,
int A_UNUSED x,
int y A_UNUSED) restrict2
{
}
void ModernOpenGLGraphics::drawPatternCached(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) restrict2
{
}
void ModernOpenGLGraphics::completeCache() restrict2
{
}
void ModernOpenGLGraphics::drawRescaledImage(const Image *restrict const image,
int dstX, int dstY,
const int desiredWidth,
const int desiredHeight) restrict2
{
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);
bindArrayBufferAndAttributes(mVbo);
const ClipRect &clipArea = mClipStack.top();
// Draw a textured quad.
drawRescaledQuad(imageRect.x, imageRect.y,
dstX + clipArea.xOffset, dstY + clipArea.yOffset,
imageRect.w, imageRect.h,
desiredWidth, desiredHeight);
}
void ModernOpenGLGraphics::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 ModernOpenGLGraphics::drawPatternInline(const Image *restrict const image,
const int x,
const int y,
const int w,
const int h) restrict2
{
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 ClipRect &clipArea = mClipStack.top();
const int x2 = x + clipArea.xOffset;
const int y2 = y + clipArea.yOffset;
#ifdef DEBUG_BIND_TEXTURE
debugBindTexture(image);
#endif
bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
setTexturingAndBlending(true);
bindArrayBufferAndAttributes(mVbo);
setColorAlpha(image->mAlpha);
unsigned int vp = 0;
const unsigned int vLimit = mMaxVertices * 4;
for (int py = 0; py < h; py += ih)
{
const int height = (py + ih >= h) ? h - py : ih;
const int texY2 = srcY + height;
const int dstY = y2 + py;
for (int px = 0; px < w; px += iw)
{
const int width = (px + iw >= w) ? w - px : iw;
const int dstX = x2 + px;
const int texX2 = srcX + width;
vertFill2D(mIntArray,
srcX, srcY, texX2, texY2,
dstX, dstY, width, height);
vp += 24;
if (vp >= vLimit)
{
drawTriangleArray(vp);
vp = 0;
}
}
}
if (vp > 0)
drawTriangleArray(vp);
}
void ModernOpenGLGraphics::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)
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;
#ifdef DEBUG_BIND_TEXTURE
debugBindTexture(image);
#endif
bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
setTexturingAndBlending(true);
bindArrayBufferAndAttributes(mVbo);
setColorAlpha(image->mAlpha);
unsigned int vp = 0;
const unsigned int vLimit = mMaxVertices * 4;
const ClipRect &clipArea = mClipStack.top();
const int x2 = x + clipArea.xOffset;
const int y2 = y + clipArea.yOffset;
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 = y2 + 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 = x2 + px;
const int scaledX = srcX + width / scaleFactorW;
vertFill2D(mIntArray,
srcX, srcY, scaledX, scaledY,
dstX, dstY, width, height);
vp += 24;
if (vp >= vLimit)
{
drawTriangleArray(vp);
vp = 0;
}
}
}
if (vp > 0)
drawTriangleArray(vp);
}
inline void ModernOpenGLGraphics::drawVertexes(const
OpenGLGraphicsVertexes &
restrict ogl) restrict2
{
const std::vector<int> &vp = ogl.mVp;
const std::vector<GLuint> &vbos = ogl.mVbo;
std::vector<int>::const_iterator ivp;
std::vector<GLuint>::const_iterator ivbo;
const std::vector<int>::const_iterator ivp_end = vp.end();
/*
if (vp.size() != vbos.size())
logger->log("different size in vp and vbos");
*/
for (ivp = vp.begin(), ivbo = vbos.begin();
ivp != ivp_end;
++ ivp, ++ ivbo)
{
bindArrayBufferAndAttributes(*ivbo);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
// logger->log("draw from array: %u", *ivbo);
mglDrawArrays(GL_TRIANGLES, 0, *ivp / 4);
}
}
void ModernOpenGLGraphics::calcPattern(ImageVertexes *restrict const vert,
const Image *restrict const image,
const int x,
const int y,
const int w,
const int h) const restrict2
{
calcPatternInline(vert, image, x, y, w, h);
}
void ModernOpenGLGraphics::calcPatternInline(ImageVertexes *
restrict const vert,
const Image *restrict const image,
const int x,
const int y,
const int w,
const int h) const restrict2
{
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 ClipRect &clipArea = mClipStack.top();
const int x2 = x + clipArea.xOffset;
const int y2 = y + clipArea.yOffset;
const unsigned int vLimit = mMaxVertices * 4;
OpenGLGraphicsVertexes &ogl = vert->ogl;
unsigned int vp = ogl.continueVp();
GLint *intArray = ogl.continueIntTexArray();
for (int py = 0; py < h; py += ih)
{
const int height = (py + ih >= h) ? h - py : ih;
const int dstY = y2 + py;
const int texY2 = srcY + height;
for (int px = 0; px < w; px += iw)
{
const int width = (px + iw >= w) ? w - px : iw;
const int dstX = x2 + px;
const int texX2 = srcX + width;
vertFill2D(intArray,
srcX, srcY, texX2, texY2,
dstX, dstY, width, height);
vp += 24;
if (vp >= vLimit)
{
intArray = ogl.switchIntTexArray();
ogl.switchVp(vp);
vp = 0;
}
}
}
ogl.switchVp(vp);
}
void ModernOpenGLGraphics::calcTileCollection(ImageCollection *
restrict const vertCol,
const Image *
restrict const image,
int x, int y) restrict2
{
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 ModernOpenGLGraphics::drawTileCollection(const ImageCollection
*restrict const vertCol)
restrict2
{
setTexturingAndBlending(true);
/*
if (!vertCol)
{
logger->log("ModernOpenGLGraphics::drawTileCollection"
" vertCol is nullptr");
}
*/
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);
drawVertexes(vert->ogl);
}
}
void ModernOpenGLGraphics::calcPattern(ImageCollection *restrict const vertCol,
const Image *restrict const image,
const int x,
const int y,
const int w,
const int h) const restrict2
{
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 ModernOpenGLGraphics::calcTileVertexes(ImageVertexes *restrict const vert,
const Image *restrict const image,
int dstX, int dstY) const restrict2
{
calcTileVertexesInline(vert, image, dstX, dstY);
}
void ModernOpenGLGraphics::calcTileVertexesInline(ImageVertexes *
restrict const vert,
const Image *
restrict const image,
int dstX,
int dstY) const restrict2
{
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 ClipRect &clipArea = mClipStack.top();
const int x2 = dstX + clipArea.xOffset;
const int y2 = dstY + clipArea.yOffset;
const unsigned int vLimit = mMaxVertices * 4;
OpenGLGraphicsVertexes &ogl = vert->ogl;
unsigned int vp = ogl.continueVp();
int texX2 = srcX + w;
int texY2 = srcY + h;
GLint *const intArray = ogl.continueIntTexArray();
vertFill2D(intArray,
srcX, srcY, texX2, texY2,
x2, y2, w, h);
vp += 24;
if (vp >= vLimit)
{
ogl.switchIntTexArray();
ogl.switchVp(vp);
vp = 0;
}
ogl.switchVp(vp);
}
void ModernOpenGLGraphics::drawTileVertexes(const ImageVertexes *
restrict const vert) restrict2
{
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);
bindArrayBufferAndAttributes(mVbo);
drawVertexes(vert->ogl);
}
void ModernOpenGLGraphics::calcWindow(ImageCollection *restrict const vertCol,
const int x, const int y,
const int w, const int h,
const ImageRect &restrict imgRect)
restrict2
{
ImageVertexes *vert = nullptr;
const 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 ModernOpenGLGraphics::updateScreen() restrict2
{
BLOCK_START("Graphics::updateScreen")
#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 (isGLNotNull(mglFrameTerminator))
mglFrameTerminator();
#endif
BLOCK_END("Graphics::updateScreen")
}
void ModernOpenGLGraphics::beginDraw() restrict2
{
setOpenGLFlags();
mglDisable(GL_VERTEX_PROGRAM_POINT_SIZE_ARB);
mglHint(GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB, GL_FASTEST);
pushClipArea(Rect(0, 0, mRect.w, mRect.h));
}
void ModernOpenGLGraphics::endDraw() restrict2
{
popClipArea();
}
void ModernOpenGLGraphics::pushClipArea(const Rect &restrict area) restrict2
{
Graphics::pushClipArea(area);
const ClipRect &clipArea = mClipStack.top();
mglScissor(clipArea.x * mScale,
(mRect.h - clipArea.y - clipArea.height) * mScale,
clipArea.width * mScale,
clipArea.height * mScale);
}
void ModernOpenGLGraphics::popClipArea() restrict2
{
if (mClipStack.empty())
return;
Graphics::popClipArea();
if (mClipStack.empty())
return;
const ClipRect &clipArea = mClipStack.top();
mglScissor(clipArea.x * mScale,
(mRect.h - clipArea.y - clipArea.height) * mScale,
clipArea.width * mScale,
clipArea.height * mScale);
}
void ModernOpenGLGraphics::drawPoint(int x, int y) restrict2
{
setTexturingAndBlending(false);
bindArrayBufferAndAttributes(mVbo);
const ClipRect &clipArea = mClipStack.top();
GLint vertices[] =
{
x + clipArea.xOffset, y + clipArea.yOffset, 0, 0
};
// logger->log("allocate: %d, %ld", mVboBinded, sizeof(vertices));
mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
vertices, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_POINTS, 0, 1);
}
void ModernOpenGLGraphics::drawLine(int x1, int y1,
int x2, int y2) restrict2
{
setTexturingAndBlending(false);
bindArrayBufferAndAttributes(mVbo);
const ClipRect &clipArea = mClipStack.top();
GLint vertices[] =
{
x1 + clipArea.xOffset, y1 + clipArea.yOffset, 0, 0,
x2 + clipArea.xOffset, y2 + clipArea.yOffset, 0, 0
};
// logger->log("allocate: %d, %ld", mVboBinded, sizeof(vertices));
mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
vertices, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_LINES, 0, 2);
}
void ModernOpenGLGraphics::drawRectangle(const Rect &restrict rect) restrict2
{
setTexturingAndBlending(false);
bindArrayBufferAndAttributes(mVbo);
const ClipRect &clipArea = mClipStack.top();
const int x1 = rect.x + clipArea.xOffset;
const int y1 = rect.y + clipArea.yOffset;
const int x2 = x1 + rect.width;
const int y2 = y1 + rect.height;
GLint vertices[] =
{
x1, y1, 0, 0,
x1, y2, 0, 0,
x2, y2, 0, 0,
x2, y1, 0, 0
};
// logger->log("allocate: %d, %ld", mVboBinded, sizeof(vertices));
mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
vertices, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_LINE_LOOP, 0, 4);
}
void ModernOpenGLGraphics::fillRectangle(const Rect &restrict rect) restrict2
{
setTexturingAndBlending(false);
bindArrayBufferAndAttributes(mVbo);
const ClipRect &clipArea = mClipStack.top();
const int x1 = rect.x + clipArea.xOffset;
const int y1 = rect.y + clipArea.yOffset;
const int x2 = x1 + rect.width;
const int y2 = y1 + rect.height;
GLint vertices[] =
{
x1, y1, 0, 0,
x2, y1, 0, 0,
x1, y2, 0, 0,
x2, y2, 0, 0
};
// logger->log("allocate: %d, %ld", mVboBinded, sizeof(vertices));
mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
vertices, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
void ModernOpenGLGraphics::setTexturingAndBlending(const bool enable) restrict2
{
if (enable)
{
if (!mTextureDraw)
{
mTextureDraw = true;
mglUniform1f(mDrawTypeUniform, 1.0f);
}
if (!mAlpha)
{
mglEnable(GL_BLEND);
mAlpha = true;
}
}
else
{
if (mTextureDraw)
{
mTextureDraw = false;
mglUniform1f(mDrawTypeUniform, 0.0f);
}
if (mAlpha && !mColorAlpha)
{
mglDisable(GL_BLEND);
mAlpha = false;
}
else if (!mAlpha && mColorAlpha)
{
mglEnable(GL_BLEND);
mAlpha = true;
}
}
}
void ModernOpenGLGraphics::drawRectangle(const Rect &restrict rect A_UNUSED,
const bool filled A_UNUSED) restrict2
{
}
void ModernOpenGLGraphics::drawNet(const int x1, const int y1,
const int x2, const int y2,
const int width, const int height) restrict2
{
unsigned int vp = 0;
const unsigned int vLimit = mMaxVertices * 4;
setTexturingAndBlending(false);
bindArrayBufferAndAttributes(mVbo);
const ClipRect &clipArea = mClipStack.top();
const GLint dx = clipArea.xOffset;
const GLint dy = clipArea.yOffset;
const GLint xs1 = x1 + dx;
const GLint xs2 = x2 + dx;
const GLint ys1 = y1 + dy;
const GLint ys2 = y2 + dy;
for (int y = y1; y < y2; y += height)
{
mIntArray[vp + 0] = xs1;
mIntArray[vp + 1] = y;
mIntArray[vp + 2] = 0;
mIntArray[vp + 3] = 0;
mIntArray[vp + 4] = xs2;
mIntArray[vp + 5] = y;
mIntArray[vp + 6] = 0;
mIntArray[vp + 7] = 0;
vp += 8;
if (vp >= vLimit)
{
drawLineArrays(vp);
vp = 0;
}
}
for (int x = x1; x < x2; x += width)
{
mIntArray[vp + 0] = x;
mIntArray[vp + 1] = ys1;
mIntArray[vp + 2] = 0.0f;
mIntArray[vp + 3] = 0.0f;
mIntArray[vp + 4] = x;
mIntArray[vp + 5] = ys2;
mIntArray[vp + 6] = 0.0f;
mIntArray[vp + 7] = 0.0f;
vp += 8;
if (vp >= vLimit)
{
drawLineArrays(vp);
vp = 0;
}
}
if (vp > 0)
drawLineArrays(vp);
}
void ModernOpenGLGraphics::bindTexture(const GLenum target,
const GLuint texture)
{
if (mTextureBinded != texture)
{
mTextureBinded = texture;
mglBindTexture(target, texture);
}
}
void ModernOpenGLGraphics::removeArray(const uint32_t sz,
uint32_t *restrict const arr) restrict2
{
mglDeleteBuffers(sz, arr);
for (size_t f = 0; f < sz; f ++)
{
if (arr[f] == mVboBinded)
mVboBinded = 0;
// logger->log("delete buffers: %u", arr[f]);
}
}
void ModernOpenGLGraphics::bindArrayBuffer(const GLuint vbo) restrict2
{
if (mVboBinded != vbo)
{
mVboBinded = vbo;
// logger->log("bind array: %u", vbo);
mglBindBuffer(GL_ARRAY_BUFFER, vbo);
/*
if (mglIsBuffer(vbo) != GL_TRUE)
logger->log("bind wrong buffer: %u", vbo);
*/
mAttributesBinded = 0U;
}
}
void ModernOpenGLGraphics::bindElementBuffer(const GLuint ebo) restrict2
{
if (mEboBinded != ebo)
{
mEboBinded = ebo;
logger->log("bind element: %u", ebo);
mglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
/*
if (mglIsBuffer(ebo) != GL_TRUE)
logger->log("bind wrong buffer: %u", vbo);
*/
}
}
void ModernOpenGLGraphics::bindArrayBufferAndAttributes(const GLuint vbo)
restrict2
{
if (mVboBinded != vbo)
{
mVboBinded = vbo;
// logger->log("bind array: %u", vbo);
mglBindBuffer(GL_ARRAY_BUFFER, vbo);
/*
if (mglIsBuffer(vbo) != GL_TRUE)
logger->log("bind wrong buffer: %u", vbo);
*/
mAttributesBinded = mVboBinded;
// logger->log("bind vertex buffer: %u", mVboBinded);
mglBindVertexBuffer(0, mVboBinded, 0, 4 * sizeof(GLint));
// mglVertexAttribIPointer(mPosAttrib, 4, GL_INT, 4 * sizeof(GLint), 0);
// mglVertexAttribBinding(mPosAttrib, 0);
}
else if (mAttributesBinded != mVboBinded)
{
mAttributesBinded = mVboBinded;
// logger->log("bind vertex buffer: %u", mVboBinded);
mglBindVertexBuffer(0, mVboBinded, 0, 4 * sizeof(GLint));
// mglVertexAttribIPointer(mPosAttrib, 4, GL_INT, 4 * sizeof(GLint), 0);
// mglVertexAttribBinding(mPosAttrib, 0);
}
}
void ModernOpenGLGraphics::bindAttributes() restrict2
{
if (mAttributesBinded != mVboBinded)
{
mAttributesBinded = mVboBinded;
mglBindVertexBuffer(0, mVboBinded, 0, 4 * sizeof(GLint));
// mglVertexAttribIPointer(mPosAttrib, 4, GL_INT, 4 * sizeof(GLint), 0);
// mglVertexAttribBinding(mPosAttrib, 0);
}
}
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;
mglGetIntegerv(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::drawImageRect(const int x, const int y,
const int w, const int h,
const ImageRect &restrict imgRect)
restrict2
{
#include "render/graphics_drawImageRect.hpp"
}
void ModernOpenGLGraphics::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"
}
void ModernOpenGLGraphics::clearScreen() const restrict2
{
mglClear(GL_COLOR_BUFFER_BIT |
GL_DEPTH_BUFFER_BIT |
GL_STENCIL_BUFFER_BIT);
}
void ModernOpenGLGraphics::createGLContext() restrict2
{
if (mGLContext)
SDL::makeCurrentContext(mGLContext);
else
mGLContext = SDL::createGLContext(mWindow, 3, 3, 0x01);
}
void ModernOpenGLGraphics::finalize(ImageCollection *restrict const col)
restrict2
{
if (!col)
return;
FOR_EACH (ImageCollectionIter, it, col->draws)
finalize(*it);
}
void ModernOpenGLGraphics::finalize(ImageVertexes *restrict const vert)
restrict2
{
// in future need convert in each switchVp/continueVp
if (!vert)
return;
OpenGLGraphicsVertexes &ogl = vert->ogl;
const std::vector<int> &vp = ogl.mVp;
std::vector<int>::const_iterator ivp;
const std::vector<int>::const_iterator ivp_end = vp.end();
std::vector<GLint*> &intTexPool = ogl.mIntTexPool;
std::vector<GLint*>::const_iterator ft;
const std::vector<GLint*>::const_iterator ft_end = intTexPool.end();
std::vector<GLuint> &vbos = ogl.mVbo;
std::vector<GLuint>::const_iterator ivbo;
const int sz = CAST_S32(intTexPool.size());
vbos.resize(sz);
mglGenBuffers(sz, &vbos[0]);
/*
for (int f = 0; f < sz; f ++)
logger->log("gen buffers: %u", vbos[f]);
*/
for (ft = intTexPool.begin(), ivp = vp.begin(), ivbo = vbos.begin();
ft != ft_end && ivp != ivp_end;
++ ft, ++ ivp, ++ ivbo)
{
bindArrayBuffer(*ivbo);
/*
logger->log("allocate: %d, %ld", mVboBinded,
(*ivp) * sizeof(GLint));
*/
mglBufferData(GL_ARRAY_BUFFER, (*ivp) * sizeof(GLint),
*ft, GL_STATIC_DRAW);
}
for (std::vector<GLint*>::iterator it = intTexPool.begin();
it != intTexPool.end(); ++ it)
{
delete [] (*it);
}
intTexPool.clear();
}
void ModernOpenGLGraphics::drawTriangleArray(const int size) restrict2
{
// logger->log("allocate: %d, %ld", mVboBinded, size * sizeof(GLint));
mglBufferData(GL_ARRAY_BUFFER, size * sizeof(GLint),
mIntArray, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_TRIANGLES, 0, size / 4);
}
void ModernOpenGLGraphics::drawTriangleArray(const GLint *restrict const array,
const int size) restrict2
{
// logger->log("allocate: %d, %ld", mVboBinded, size * sizeof(GLint));
mglBufferData(GL_ARRAY_BUFFER, size * sizeof(GLint),
array, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_TRIANGLES, 0, size / 4);
}
void ModernOpenGLGraphics::drawLineArrays(const int size)
{
// logger->log("allocate: %d, %ld", mVboBinded, size * sizeof(GLint));
mglBufferData(GL_ARRAY_BUFFER, size * sizeof(GLint),
mIntArray, GL_STREAM_DRAW);
#ifdef DEBUG_DRAW_CALLS
mDrawCalls ++;
#endif
mglDrawArrays(GL_LINES, 0, size / 4);
}
#ifdef DEBUG_BIND_TEXTURE
void ModernOpenGLGraphics::debugBindTexture(const Image *restrict const image)
restrict2
{
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 *restrict const
image A_UNUSED) restrict2
{
}
#endif
#endif // defined(USE_OPENGL) && !defined(ANDROID) &&
// !defined(__native_client__)