void Effect3DOutline::setTarget(EffectSprite3D *sprite)
{
CCASSERT(nullptr != sprite && nullptr != sprite->getMesh(),"Error: Setting a null pointer or a null mesh EffectSprite3D to Effect3D");
if(sprite != _sprite)
{
GLProgram* glprogram;
if(!sprite->getMesh()->getSkin())
glprogram = GLProgram::createWithFilenames(_vertShaderFile, _fragShaderFile);
else
glprogram = GLProgram::createWithFilenames(_vertSkinnedShaderFile, _fragSkinnedShaderFile);
_glProgramState = GLProgramState::create(glprogram);
_glProgramState->retain();
_glProgramState->setUniformVec3("OutLineColor", _outlineColor);
_glProgramState->setUniformFloat("OutlineWidth", _outlineWidth);
_sprite = sprite;
auto mesh = sprite->getMesh();
long offset = 0;
for (auto i = 0; i < mesh->getMeshVertexAttribCount(); i++)
{
auto meshvertexattrib = mesh->getMeshVertexAttribute(i);
_glProgramState->setVertexAttribPointer(s_attributeNames[meshvertexattrib.vertexAttrib],
meshvertexattrib.size,
meshvertexattrib.type,
GL_FALSE,
mesh->getVertexSizeInBytes(),
(void*)offset);
offset += meshvertexattrib.attribSizeBytes;
}
Color4F color(_sprite->getDisplayedColor());
color.a = _sprite->getDisplayedOpacity() / 255.0f;
_glProgramState->setUniformVec4("u_color", Vec4(color.r, color.g, color.b, color.a));
}
}
void Effect3DOutline::drawWithSprite(EffectSprite3D* sprite, const Mat4 &transform)
{
auto mesh = sprite->getMesh();
long offset = 0;
for (auto i = 0; i < mesh->getMeshVertexAttribCount(); i++)
{
auto meshvertexattrib = mesh->getMeshVertexAttribute(i);
_glProgramState->setVertexAttribPointer(s_attributeNames[meshvertexattrib.vertexAttrib],
meshvertexattrib.size,
meshvertexattrib.type,
GL_FALSE,
mesh->getVertexSizeInBytes(),
(void*)offset);
offset += meshvertexattrib.attribSizeBytes;
}
//draw
{
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
glEnable(GL_DEPTH_TEST);
Color4F color(sprite->getDisplayedColor());
color.a = sprite->getDisplayedOpacity() / 255.0f;
_glProgramState->setUniformVec4("u_color", Vec4(color.r, color.g, color.b, color.a));
auto mesh = sprite->getMesh();
glBindBuffer(GL_ARRAY_BUFFER, mesh->getVertexBuffer());
_glProgramState->apply(transform);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh->getIndexBuffer());
glDrawElements((GLenum)mesh->getPrimitiveType(), (GLsizei)mesh->getIndexCount(), (GLenum)mesh->getIndexFormat(), 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisable(GL_DEPTH_TEST);
glCullFace(GL_BACK);
glDisable(GL_CULL_FACE);
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, mesh->getIndexCount());
}
}
bool VertexAttribBinding::init(MeshIndexData* meshIndexData, GLProgramState* glProgramState)
{
CCASSERT(meshIndexData && glProgramState, "Invalid arguments");
// One-time initialization.
if (__maxVertexAttribs == 0)
{
GLint temp;
glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &temp);
__maxVertexAttribs = temp;
if (__maxVertexAttribs <= 0)
{
CCLOGERROR("The maximum number of vertex attributes supported by OpenGL on the current device is 0 or less.");
return false;
}
}
_meshIndexData = meshIndexData;
_meshIndexData->retain();
_glProgramState = glProgramState;
_glProgramState->retain();
auto meshVertexData = meshIndexData->getMeshVertexData();
auto attributeCount = meshVertexData->getMeshVertexAttribCount();
// Parse and set attributes
parseAttributes();
long offset = 0;
for (auto k = 0; k < attributeCount; k++)
{
auto meshattribute = meshVertexData->getMeshVertexAttrib(k);
setVertexAttribPointer(
s_attributeNames[meshattribute.vertexAttrib],
meshattribute.size,
meshattribute.type,
GL_FALSE,
meshVertexData->getVertexBuffer()->getSizePerVertex(),
(GLvoid*)offset);
offset += meshattribute.attribSizeBytes;
}
// VAO hardware
if (Configuration::getInstance()->supportsShareableVAO())
{
glGenVertexArrays(1, &_handle);
GL::bindVAO(_handle);
glBindBuffer(GL_ARRAY_BUFFER, meshVertexData->getVertexBuffer()->getVBO());
auto flags = _vertexAttribsFlags;
for (int i = 0; flags > 0; i++) {
int flag = 1 << i;
if (flag & flags)
glEnableVertexAttribArray(i);
flags &= ~flag;
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, meshIndexData->getIndexBuffer()->getVBO());
for(auto &attribute : _attributes)
{
attribute.second.apply();
}
GL::bindVAO(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
return true;
}
