void GridBase::set2DProjection()
{
Director *director = Director::getInstance();
Size size = director->getWinSizeInPixels();
director->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
Mat4 orthoMatrix;
Mat4::createOrthographicOffCenter(0, size.width, 0, size.height, -1, 1, &orthoMatrix);
director->multiplyMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION, orthoMatrix);
director->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
GL::setProjectionMatrixDirty();
}
void ClippingNode::drawFullScreenQuadClearStencil()
{
Director* director = Director::getInstance();
CCASSERT(nullptr != director, "Director is null when seting matrix stack");
director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
director->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
director->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
DrawPrimitives::drawSolidRect(Vec2(-1,-1), Vec2(1,1), Color4F(1, 1, 1, 1));
director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
}
void StencilStateManager::drawFullScreenQuadClearStencil()
{
Director* director = Director::getInstance();
CCASSERT(nullptr != director, "Director is null when setting matrix stack");
director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
director->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
director->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
Vec2 vertices[] = {
Vec2(-1.0f, -1.0f),
Vec2(1.0f, -1.0f),
Vec2(1.0f, 1.0f),
Vec2(-1.0f, 1.0f)
};
auto glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_NAME_POSITION_U_COLOR);
int colorLocation = glProgram->getUniformLocation("u_color");
CHECK_GL_ERROR_DEBUG();
Color4F color(1, 1, 1, 1);
glProgram->use();
glProgram->setUniformsForBuiltins();
glProgram->setUniformLocationWith4fv(colorLocation, (GLfloat*) &color.r, 1);
glBindBuffer(GL_ARRAY_BUFFER, 0);
GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, 4);
director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
}