void Batched::DrawQuad(Vector2 pos, Vector2 size, float rotation, Texture& tex, int atl)
{
int i = atl%64;
int j = atl/64;
Rect aa(i/64.0, (j*32.0)/tex.height, 1/64.0, 32.0/tex.height);
innerDraw(pos, size, rotation, tex, aa);
}
GLuint DrawSet::_getDisplayList( void *context )
{
GLuint dl = _displayList[context];
if( dl == 0 || _dirtyDisplayList == true )
{
#if 0
dl = glGenLists(1);
glNewList( dl, GL_COMPILE );
innerDraw(context);
glEndList();
_displayList[context] = dl;
_dirtyDisplayList = false;
#endif
}
return dl;
}
void DrawSet::apply( void *context, const iiMath::matrix4 &viewmat)
{
#if 1
iiMath::matrix4 mat;
iiMath::matrix4f fMat;
if( _matrixSet )
{
mat = _matrix * viewmat;
}
else
{
mat = viewmat;
}
// printf("DrawSet::apply this=%p _stateSet=%p\n", this, _stateSet.get());
fMat.copy(mat);
if(_stateSet)
{
// printf("DrawSet::apply\n");
_stateSet->setStateValue("matrix", iiDraw::StateValue(fMat));
_stateSet->setStateValue("iiModelViewMatrix", iiDraw::StateValue(_mvMatrix));
_stateSet->setStateValue("iiProjectionMatrix", iiDraw::StateValue(_projMatrix));
_stateSet->setStateValue("iiModelViewProjectionMatrix", iiDraw::StateValue(_mvpMatrix));
}
#endif
#if 1
// glPushMatrix(); // [
// glLoadMatrixd( mat.ptr() );
// if( _drawAsDisplayList )
// {
// glCallList( _getDisplayList( context ) );
// }
// else
// {
innerDraw(context);
// }
// glPopMatrix(); // ]
#endif
}
// TODO doesn't center the shape properly when width and height are smaller than screen dimensions
void testApp::saveFrameMultiFBO(string filename, int width, int height)
{
// these dims need to be multiples of screen dimensions, for now
// making it independent of screen dims would involve 2d float u_scale uniform in shader
int MAX_FBO_WIDTH = screen_width*2;
int MAX_FBO_HEIGHT = screen_height*2;
ofImage output_img;
output_img.allocate(width, height, OF_IMAGE_COLOR);
// set the scale -- assume we kept width/height ratio with the screen
int num_y_axis_fbos = (int)ceilf((float)height / (float)MAX_FBO_HEIGHT);
float ratio = ((float)height / (float)MAX_FBO_HEIGHT );
//float ratio = (float)width / (float)screen_width;
/*double offset_ratio_x = 2.0 / (double)screen_width;
double offset_ratio_y = 2.0 / (double)screen_height;*/
double offset_ratio_x = 2.0 / (double)MAX_FBO_WIDTH;
double offset_ratio_y = 2.0 / (double)MAX_FBO_HEIGHT;
shader.begin();
shader.setUniform1f("u_scale", ratio);
ofFbo fbo;
/*fbo.allocate(screen_width, screen_height); */
fbo.allocate(MAX_FBO_WIDTH, MAX_FBO_HEIGHT);
float x_center = (float)width / (float)MAX_FBO_WIDTH;
float y_center = (float)height / (float)MAX_FBO_HEIGHT;
float x =0;
while (x < width)
{
float y = 0;
while (y < height)
{
// set the offset
/*shader.setUniform2f("u_offset",
(x - floorf(width /2.0)) * -offset_ratio_x - 1.0,
(y - floorf(height/2.0)) * -offset_ratio_y - 1.0 );*/
float frame_x_center = (x/MAX_FBO_WIDTH)*2 + 1;
float frame_y_center = (y/MAX_FBO_HEIGHT)*2 + 1;
/*shader.setUniform2f("u_offset",
((float)num_y_axis_fbos/2.0)-(x/MAX_FBO_WIDTH)*2,
((float)num_y_axis_fbos/2.0)-(y/MAX_FBO_HEIGHT)*2 );*/
shader.setUniform2f("u_offset",
x_center - frame_x_center,
y_center - frame_y_center );
// start fbo
fbo.begin();
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
// projection matrix
glMatrixMode(GL_PROJECTION);
update_p_matrix(proj_mat, width, height);
glLoadMatrixf(proj_mat);
glMatrixMode(GL_MODELVIEW);
innerDraw();
// get pixels
ofImage img_part;
int fbo_width = std::min((int)(width - x), MAX_FBO_WIDTH);
int fbo_height = std::min((int)(height - y), MAX_FBO_HEIGHT);
img_part.allocate(fbo_width, fbo_height, OF_IMAGE_COLOR);
unsigned char * pixels = img_part.getPixels();
glReadPixels(0, MAX_FBO_HEIGHT-fbo_height, fbo_width, fbo_height, GL_RGB, GL_UNSIGNED_BYTE, pixels);
img_part.mirror(true, false);
img_part.saveImage("part.png"); // debugging : save the image part
// end fbo
fbo.end();
// draw to output_image
// TODO fid a more efficient way
for (int i=0; i< fbo_width; i++) {
for (int j=0; j<fbo_height; j++) {
output_img.setColor((int)(x) + i,height - fbo_height - (int)(y) + j,
img_part.getColor(i, j));
}
}
y += MAX_FBO_HEIGHT;
}
x += MAX_FBO_WIDTH;
}
output_img.saveImage(filename);
shader.setUniform2f("u_offset",0,0);
shader.setUniform1f("u_scale", 1.0);
shader.end();
// reset modelview matrix
update_p_matrix(proj_mat, screen_width, screen_height);
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(proj_mat);
glMatrixMode(GL_MODELVIEW);
}
//--------------------------------------------------------------
void testApp::draw(){
static bool mat_init = false;
if (!mat_init)
{
// not sure why this part is necessary as we init'd proj and mv matrices in setup()
update_p_matrix(proj_mat, screen_width, screen_height);
update_mv_matrix(mv_mat, 0);
mat_init = true;
}
// Need to push proj and modelview matrices b4 drawing mesh, then pop after, to be able to draw text afterwards
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadMatrixf(proj_mat);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
ofDrawBitmapString("Test", 10,10);
unsigned long long cur_time = ofGetSystemTime();
ofDrawBitmapString("Test3", 10,50);
shader.begin();
shader.setUniform2f("u_offset", 0.0,0.0);
shader.setUniform1f("u_scale", 1.0);
innerDraw();
shader.end();
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
// show fps
string str = "framerate: ";
str += ofToString(ofGetFrameRate(), 2) + "fps";
ofDrawBitmapString(str, 20, 20);
ofDrawBitmapString("HELLLOO", 40,40);
//glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
// PROBLEM - using my own low level opengl calls seems to cause a problem with
// openframeworks own text drawing
//string str = "framerate: ";
//str += ofToString(ofGetFrameRate(), 2) + "fps";
//ofDrawBitmapStringHighlight(str, 0, 0);
//ofDrawBitmapStringHighlight("Test", 20, 10);
// instead print framerate to stdout every second
static unsigned long long last_fps_tick = 0;
if (cur_time > last_fps_tick + 1000)
{
last_fps_tick = cur_time;
cout << ofToString(ofGetFrameRate(), 2) << " fps" << endl;
}
GLenum err = glGetError();
if (err)
{
//breakpoint?
if (false)
cout << "error" << endl;
}
last_time = cur_time;
}
void Batched::DrawQuad(Vector2 pos, Vector2 size, Texture& tex)
{
innerDraw(pos, size, 0, tex, Rect(0,0,1,1));
}
void Batched::DrawQuad(Vector2 pos, Vector2 size, float rotation, Texture& tex)
{
innerDraw(pos, size, rotation, tex, Rect(0,0,1,1));
}
void Batched::DrawQuad(glm::vec2 pos, glm::vec2 size, Texture& tex)
{
innerDraw(pos, size, 0, tex, Rect(0,0,1,1));
}
void Batched::DrawQuad(glm::vec2 pos, glm::vec2 size, float rotation, Texture& tex)
{
innerDraw(pos, size, rotation, tex, Rect(0,0,1,1));
}