bool MGRDrawNode::init()
{
_blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
setGLProgramState(GLProgramState::getOrCreateWithGLProgramName(GLProgram::SHADER_NAME_POSITION_LENGTH_TEXTURE_COLOR));
ensureCapacity(512);
ensureCapacityGLPoint(64);
ensureCapacityGLLine(256);
glGenBuffers(1, &_vbo);
glBindBuffer(GL_ARRAY_BUFFER, _vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)*_bufferCapacity, _buffer, GL_STREAM_DRAW);
glGenBuffers(1, &_vboGLLine);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLLine);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)*_bufferCapacityGLLine, _bufferGLLine, GL_STREAM_DRAW);
glGenBuffers(1, &_vboGLPoint);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLPoint);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)*_bufferCapacityGLPoint, _bufferGLPoint, GL_STREAM_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
CHECK_GL_ERROR_DEBUG();
_dirty = true;
_dirtyGLLine = true;
_dirtyGLPoint = true;
return true;
}
void MGRDrawNode::drawLine(const Vec2& origin, const Vec2& destination, const Color4F& color)
{
ensureCapacityGLLine(2);
V2F_C4B_T2F* point = (V2F_C4B_T2F*)_bufferGLLine + _bufferCountGLLine;
V2F_C4B_T2F a = {origin, Color4B(color), Tex2F(0.0, 0.0)};
V2F_C4B_T2F b = {destination, Color4B(color), Tex2F(0.0, 0.0)};
*point = a;
*(point + 1) = b;
_bufferCountGLLine += 2;
_dirtyGLLine = true;
}
void RoadNode::drawLine(const cocos2d::Vec3& src, const cocos2d::Vec3& dest)
{
ensureCapacityGLLine(2);
V3F_T2F *point = (V3F_T2F*)(_bufferGLLine + _bufferCountGLLine);
V3F_T2F a = {src,Tex2F(0.0, 0.0)};
V3F_T2F b = {dest,Tex2F(0.0, 0.0)};
*point = a;
*(point+1) = b;
_bufferCountGLLine += 2;
_dirtyGLLine = true;
}
void DrawNode::drawPoly(const Vec2 *poli, unsigned int numberOfPoints, bool closePolygon, const Color4F &color)
{
unsigned int vertext_count;
if(closePolygon)
{
vertext_count = 2 * numberOfPoints;
ensureCapacityGLLine(vertext_count);
}
else
{
vertext_count = 2 * (numberOfPoints - 1);
ensureCapacityGLLine(vertext_count);
}
V2F_C4B_T2F *point = (V2F_C4B_T2F*)(_bufferGLLine + _bufferCountGLLine);
unsigned int i = 0;
for(; i<numberOfPoints-1; i++)
{
V2F_C4B_T2F a = {poli[i], Color4B(color), Tex2F(0.0, 0.0)};
V2F_C4B_T2F b = {poli[i+1], Color4B(color), Tex2F(0.0, 0.0)};
*point = a;
*(point+1) = b;
point += 2;
}
if(closePolygon)
{
V2F_C4B_T2F a = {poli[i], Color4B(color), Tex2F(0.0, 0.0)};
V2F_C4B_T2F b = {poli[0], Color4B(color), Tex2F(0.0, 0.0)};
*point = a;
*(point+1) = b;
}
_bufferCountGLLine += vertext_count;
}
bool DrawNode::init()
{
_blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
setGLProgramState(GLProgramState::getOrCreateWithGLProgramName(GLProgram::SHADER_NAME_POSITION_LENGTH_TEXTURE_COLOR));
ensureCapacity(512);
ensureCapacityGLPoint(64);
ensureCapacityGLLine(256);
if (Configuration::getInstance()->supportsShareableVAO())
{
glGenVertexArrays(1, &_vao);
GL::bindVAO(_vao);
glGenBuffers(1, &_vbo);
glBindBuffer(GL_ARRAY_BUFFER, _vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)* _bufferCapacity, _buffer, GL_STREAM_DRAW);
// vertex
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_POSITION);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, vertices));
// color
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, colors));
// texcood
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_TEX_COORD);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORD, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, texCoords));
glGenVertexArrays(1, &_vaoGLLine);
GL::bindVAO(_vaoGLLine);
glGenBuffers(1, &_vboGLLine);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLLine);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)*_bufferCapacityGLLine, _bufferGLLine, GL_STREAM_DRAW);
// vertex
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_POSITION);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, vertices));
// color
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, colors));
// texcood
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_TEX_COORD);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORD, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, texCoords));
glGenVertexArrays(1, &_vaoGLPoint);
GL::bindVAO(_vaoGLPoint);
glGenBuffers(1, &_vboGLPoint);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLPoint);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)*_bufferCapacityGLPoint, _bufferGLPoint, GL_STREAM_DRAW);
// vertex
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_POSITION);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, vertices));
// color
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, colors));
// Texture coord as pointsize
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_TEX_COORD);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORD, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, texCoords));
GL::bindVAO(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
else
{
glGenBuffers(1, &_vbo);
glBindBuffer(GL_ARRAY_BUFFER, _vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)* _bufferCapacity, _buffer, GL_STREAM_DRAW);
glGenBuffers(1, &_vboGLLine);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLLine);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)*_bufferCapacityGLLine, _bufferGLLine, GL_STREAM_DRAW);
glGenBuffers(1, &_vboGLPoint);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLPoint);
glBufferData(GL_ARRAY_BUFFER, sizeof(V2F_C4B_T2F)*_bufferCapacityGLPoint, _bufferGLPoint, GL_STREAM_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
CHECK_GL_ERROR_DEBUG();
_dirty = true;
_dirtyGLLine = true;
_dirtyGLPoint = true;
#if CC_ENABLE_CACHE_TEXTURE_DATA
// Need to listen the event only when not use batchnode, because it will use VBO
auto listener = EventListenerCustom::create(EVENT_RENDERER_RECREATED, [this](EventCustom* event){
/** listen the event that renderer was recreated on Android/WP8 */
this->init();
});
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
#endif
return true;
}
bool RoadNode::init()
{
assert(Node::init());
_blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
setGLProgramState(GLProgramState::getOrCreateWithGLProgramName(GLProgram::SHADER_3D_POSITION));
ensureCapacity(512);
ensureCapacityGLLine(256);
if (Configuration::getInstance()->supportsShareableVAO())
{
glGenVertexArrays(1, &_vao);
GL::bindVAO(_vao);
glGenBuffers(1, &_vbo);
glBindBuffer(GL_ARRAY_BUFFER, _vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(V3F_C4B_T2F)* _bufferCapacity, _buffer, GL_STREAM_DRAW);
// vertex
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_POSITION);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 3, GL_FLOAT, GL_FALSE, sizeof(V3F_C4B_T2F), (GLvoid *)offsetof(V3F_C4B_T2F, vertices));
// color
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(V3F_C4B_T2F), (GLvoid *)offsetof(V3F_C4B_T2F, colors));
// texcood
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_TEX_COORD);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORD, 2, GL_FLOAT, GL_FALSE, sizeof(V3F_C4B_T2F), (GLvoid *)offsetof(V3F_C4B_T2F, texCoords));
glGenVertexArrays(1, &_vaoGLLine);
GL::bindVAO(_vaoGLLine);
glGenBuffers(1, &_vboGLLine);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLLine);
glBufferData(GL_ARRAY_BUFFER, sizeof(V3F_T2F)*_bufferCapacityGLLine, _bufferGLLine, GL_STREAM_DRAW);
// vertex
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_POSITION);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 3, GL_FLOAT, GL_FALSE, sizeof(V3F_T2F), (GLvoid *)offsetof(V3F_T2F, vertices));
// texcood
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_TEX_COORD);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORD, 2, GL_FLOAT, GL_FALSE, sizeof(V3F_T2F), (GLvoid *)offsetof(V3F_T2F, texCoords));
GL::bindVAO(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
else
{
glGenBuffers(1, &_vbo);
glBindBuffer(GL_ARRAY_BUFFER, _vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(V3F_C4B_T2F)* _bufferCapacity, _buffer, GL_STREAM_DRAW);
glGenBuffers(1, &_vboGLLine);
glBindBuffer(GL_ARRAY_BUFFER, _vboGLLine);
glBufferData(GL_ARRAY_BUFFER, sizeof(V3F_T2F)*_bufferCapacityGLLine, _bufferGLLine, GL_STREAM_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
CHECK_GL_ERROR_DEBUG();
_dirty = true;
_dirtyGLLine = true;
return true;
}
