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sldisp.cpp
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sldisp.cpp
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include <math.h>
#include <vector>
#include <string>
#include "util.h"
#include "ports.h"
#include "lo/lo.h"
#include <SDL.h>
#ifdef __APPLE__
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#include <GLUT/glut.h>
#else
#ifdef _WIN32
#include <windows.h>
#endif
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>
#endif
#define DBUG 1
#define UNIX_EPOCH 2208988800
#define TWO_POW_32 4294967296
using namespace std;
int done = 0;
void error(int num, const char *m, const char *path);
// init rendering and clear screen
bool initGL();
void handleKeys(unsigned char key, int x, int y);
//Shader loading utility programs
void printProgramLog( GLuint program );
void printShaderLog( GLuint shader );
int generic_handler(const char *path, const char *types, lo_arg ** argv,
int argc, void *data, void *user_data);
int display_info_request_handler(const char *path, const char *types, lo_arg ** argv,
int argc, void *data, void *user_data);
int pattern_status_request_handler(const char *path, const char *types, lo_arg ** argv,
int argc, void *data, void *user_data);
int pattern_change_request_handler(const char *path, const char *types, lo_arg ** argv,
int argc, void *data, void *user_data);
int pattern_state_request_handler(const char *path, const char* types, lo_arg **argv, int argc, void *data, void *user_data);
int_least64_t maketimetag(double unixtime);
int send_display_info(lo_address the_t, int pix_w, int pix_h);
int send_pattern_status(lo_address the_t, int inv, int axis, int bitidx, float r, float g, float b);
int send_pattern_state(lo_address the_t, int type, float param1=-1., float param2=-1., float param3=-1., float param4=-1., float r=-1., float g=-1., float b=-1.);
int send_heartbeat(lo_address the_t);
void init_LUT(std::vector<unsigned int>& table);
unsigned int bin2gray( unsigned int num );
int gray2bin(int gray);
//--------------------------------------------------------------------------------
#define BIT_MAX 11
void init_LUT(std::vector<unsigned int>& table)
{
table.clear();
for(int i=0;i<pow(2,BIT_MAX);i++)
{
table.push_back( bin2gray((unsigned int)i) );
}
if(false)
{
for(int i=0;i<table.size();i++)
{
printf("%d : 0x%08x = 0x%08x\n",i,i,table[i]);
}
}
}
typedef struct {
// pattern info
int cur_rendermode;
int cur_axis;
int cur_bitindex;
bool cur_invert;
float cur_freq;
float cur_phase;
float cur_r;
float cur_g;
float cur_b;
int shown_rendermode;
int shown_axis;
int shown_bitindex;
bool shown_invert;
float shown_freq;
float shown_phase;
float shown_r;
float shown_g;
float shown_b;
bool sdl_rdy;
bool gl_rdy;
bool done;
bool dirty;
int dirty_n;
double dirty_t;
double send_t;
bool fullscreen;
bool cursorVisible;
int tick;
int window_w;
int window_h;
int window_w_def;
int window_h_def;
// graphics stuff
SDL_Window *window;
SDL_Renderer *renderer;
vector<SDL_Texture*> gcb_tex_array;
SDL_Texture* sdltexture;
SDL_Surface* sdlsurface;
SDL_Surface* gScreenSurface;
SDL_Surface* sdlsurface_graycodeX;
SDL_Surface* sdlsurface_graycodeY;
SDL_Surface* sdlsurface_sinusoidX;
SDL_Surface* sdlsurface_sinusoidY;
SDL_Surface* sdlsurface_monochrome;
SDL_Texture* sdl_tex_gcb_X;
SDL_Texture* sdl_tex_gcb_Y;
SDL_Texture* sdl_tex_sin_X;
SDL_Texture* sdl_tex_sin_Y;
SDL_Texture* sdl_tex_rgb;
SDL_Texture* sdl_RT;
GLuint texture;
GLuint textureXpattern;
GLuint textureYpattern;
GLfloat GL_vertices[12];
GLfloat GL_texcoord[8];
GLubyte GL_indices[6];
std::vector<unsigned int> gray_LUT;
} SERVER_STATE;
void init_SERVER_STATE( SERVER_STATE* s )
{
s->cur_freq = 0;
s->cur_phase = 0;
s->cur_rendermode = 2;
s->cur_axis = 0;
s->cur_bitindex = 0;
s->cur_invert = false;
s->cur_r = 0.4;
s->cur_g = 0.4;
s->cur_b = 0.2;
s->shown_rendermode = 0;
s->shown_freq = 0;
s->shown_phase = 0;
s->shown_r = 1;
s->shown_g = 1;
s->shown_b = 1;
s->sdl_rdy = false;
s->gl_rdy = false;
s->done = false;
s->dirty = true;
s->dirty_n = 1;
s->dirty_t = 0;
s->send_t = 0;
s->fullscreen = false;
s->cursorVisible = true;
s->tick = 0;
s->window_w_def = 1920;
s->window_h_def = 1080;
s->window_w = s->window_w_def;
s->window_h = s->window_h_def;
s->gScreenSurface = NULL;
s->sdltexture = NULL;
s->sdlsurface = NULL;
s->sdlsurface_graycodeX = NULL;
s->sdlsurface_graycodeY = NULL;
s->sdlsurface_sinusoidX = NULL;
s->sdlsurface_sinusoidY = NULL;
s->sdlsurface_monochrome = NULL;
init_LUT(s->gray_LUT);
// fullscreen texture stuff
GLfloat GL_vertices[12];
GLfloat GL_texcoord[8];
GLubyte GL_indices[6];
s->GL_vertices[0] = 0;
s->GL_vertices[1] = 0;
s->GL_vertices[2] = 0;
s->GL_vertices[3] = s->window_w;
s->GL_vertices[4] = 0;
s->GL_vertices[5] = 0;
s->GL_vertices[6] = s->window_w;
s->GL_vertices[7] = s->window_h;
s->GL_vertices[8] = 0;
s->GL_vertices[9] = 0;
s->GL_vertices[10] = s->window_h;
s->GL_vertices[11] = 0;
s->GL_texcoord[0] = 0;
s->GL_texcoord[1] = 0;
s->GL_texcoord[2] = 1;
s->GL_texcoord[3] = 0;
s->GL_texcoord[4] = 1;
s->GL_texcoord[5] = 1;
s->GL_texcoord[6] = 0;
s->GL_texcoord[7] = 1;
s->GL_indices[0] = 0;
s->GL_indices[1] = 1;
s->GL_indices[2] = 2;
s->GL_indices[3] = 0;
s->GL_indices[4] = 2;
s->GL_indices[5] = 3;
}
SERVER_STATE state;
/**
* Log an SDL error with some error message to the output stream of our choice
* @param os The output stream to write the message too
* @param msg The error message to write, format will be msg error: SDL_GetError()
*/
void logSDLError(std::ostream &os, const std::string &msg)
{
os << msg << " error: " << SDL_GetError() << std::endl;
}
// convert unsigned binary to gray code value
unsigned int bin2gray( unsigned int num )
{
return (num>>1) ^ num;
}
// Convert a 10-bit Gray code value into a binary integer representation
// Thanks to http://www.dspguru.com/dsp/tricks/gray-code-conversion
int gray2bin(int gray)
{
unsigned int temp = gray ^ (gray>>8);
// Our error condition should propagate
if(gray == -1) return -1;
temp ^= (temp>>4);
temp ^= (temp>>2);
temp ^= (temp>>1);
return temp;
}
// pattern generation calls
// bit [0..gray-1]
// axis (0=x) (1=y)
void gen_graycode(SDL_Surface* in, std::vector<unsigned int>& lut, bool invert, int axis, int bit, float red, float grn, float blu)
{
if( SDL_MUSTLOCK( in ) ) {
SDL_LockSurface( in );
}
// CV_8UC3
// automatically fill the matrix (expects preallocated)
int w = in->w;
int h = in->h;
unsigned char *img_data = (unsigned char*)(in->pixels);
for(int r=0; r<h; r++) {
for(int c=0; c<w; c++) {
int idx = (r*w+c)*4;
int address = (axis==0)?c:r;
float v = ((lut[address]>>bit)&1) == 1 ? 1.0 : 0.0;
v = invert?1.0-v:v;
img_data[idx] = static_cast<unsigned char>(255*blu*v);
img_data[idx+1] = static_cast<unsigned char>(255*grn*v);
img_data[idx+2] = static_cast<unsigned char>(255*red*v);
img_data[idx+3] = 255;
//v = ( ( bin2gray( (unsigned int) c ) >> bit ) & 1 ) == 1 ? 1.0 : 0.0;
//v = ( ( bin2gray( (unsigned int) r ) >> bit ) & 1 ) == 1 ? 1.0 : 0.0;
}
}
if( SDL_MUSTLOCK( in ) ) {
//Lock the surface
SDL_UnlockSurface( in );
}
}
void gen_sine(SDL_Surface* in, bool invert, int axis, float freq, float phase, float red, float grn, float blu)
{
if( SDL_MUSTLOCK( in ) ) {
//Lock the surface
SDL_LockSurface( in );
}
// 8UC3
// automatically fill the matrix (expects preallocated)
int w = in->w;
int h = in->h;
unsigned char *img_data = (unsigned char*)(in->pixels);
for(int r=0; r<h; r++) {
for(int c=0; c<w; c++) {
int idx = (r*w+c)*4;
float nx = (c/(float)(w-1));
float ny = (r/(float)(h-1));
float v = 0;
//M_PI
v = 0.5f + 0.5f * sin(2 * 3.14159265359f * freq * ((axis==0)?nx:ny) + phase);
v = invert ? 1.0-v : v;
v = fmax(fmin(v,1.0f),0.0f);
img_data[idx] = static_cast<unsigned char>(255*blu*v);
img_data[idx+1] = static_cast<unsigned char>(255*grn*v);
img_data[idx+2] = static_cast<unsigned char>(255*red*v);
img_data[idx+3] = 255;
}
}
if( SDL_MUSTLOCK( in ) ) {
//Lock the surface
SDL_UnlockSurface( in );
}
}
// same r g b values are copied to every pixel onscreen
//void gen_rgb(SDL_Surface* in, float red, float grn, float blu)
void gen_rgb(SDL_Surface* in, float red, float grn, float blu)
{
if( SDL_MUSTLOCK( in ) ) {
SDL_LockSurface( in );
}
// CV_8UC3
// automatically fill the matrix (expects preallocated)
int w = in->w;
int h = in->h;
unsigned char *img_data = (unsigned char*)(in->pixels);
for(int r=0; r<h; r++) {
for(int c=0; c<w; c++) {
/*
Uint32 pixelPosition = r * (pitch / sizeof(unsigned int)) + c;
if(false){
Uint32 color = SDL_MapRGB(&pixelFormat,\
static_cast<Uint8>(fmin(fmax(255*blu,0),255)),\
static_cast<Uint8>(fmin(fmax(255*blu,0),255)),\
static_cast<Uint8>(fmin(fmax(255*blu,0),255)));
pixels[pixelPosition] = color;
}
*/
int idx = (r*w+c)*4;
img_data[idx] = static_cast<unsigned char>(fmin(fmax(255*blu,0),255));
img_data[idx+1] = static_cast<unsigned char>(fmin(fmax(255*grn,0),255));
img_data[idx+2] = static_cast<unsigned char>(fmin(fmax(255*red,0),255));
img_data[idx+3] = 255;
}
}
if( SDL_MUSTLOCK( in ) ) {
//Lock the surface
SDL_UnlockSurface( in );
}
//SDL_UnlockTexture( in );
}
// initialization calls
// init SDL defaults
int configure_SDL(SERVER_STATE* the_state)
{
// SDL INIT
if (SDL_Init(SDL_INIT_VIDEO) != 0){
logSDLError(std::cout, "SDL_Init");
return 1;
}
// get current resolution
SDL_DisplayMode videomode;
if (SDL_GetCurrentDisplayMode (0, &videomode) != 0)
{
std::cerr << "Error getting current display mode: " << SDL_GetError() << std::endl;
exit(EXIT_FAILURE);
}
std::cout << "Current screen mode: " << videomode.w << "x" << videomode.h << std::endl;
the_state->window_w = videomode.w;
the_state->window_h = videomode.h;
// init window @ native res
the_state->window = SDL_CreateWindow("structured light output",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
videomode.w, videomode.h,
SDL_WINDOW_FULLSCREEN | SDL_WINDOW_OPENGL);
if (the_state->window == NULL){
logSDLError(std::cout, "CreateWindow");
return 2;
}
// init renderer
the_state->renderer = SDL_CreateRenderer(the_state->window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
if (the_state->renderer == NULL){
logSDLError(std::cout, "CreateRenderer");
return 3;
}
//SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 2 );
//SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 0 );
//SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE );
// print openGL version info
int err, gl_maj_v, gl_min_v;
err = SDL_GL_GetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION,&gl_maj_v);
err = SDL_GL_GetAttribute(SDL_GL_CONTEXT_MINOR_VERSION,&gl_min_v);
printf("SDL_GL_VERSION = [%d] [%d]\n",gl_maj_v,gl_min_v);
// allocate textures and surfaces
int w = the_state->window_w;
int h = the_state->window_h;
the_state->gScreenSurface = SDL_GetWindowSurface( the_state->window );
the_state->sdlsurface = SDL_CreateRGBSurface(0, w, h, 32,0,0,0,0);
the_state->sdlsurface_graycodeX = SDL_CreateRGBSurface(0, w, 1, 32,0,0,0,0);
the_state->sdlsurface_graycodeY = SDL_CreateRGBSurface(0, 1, h, 32,0,0,0,0);
the_state->sdlsurface_sinusoidX = SDL_CreateRGBSurface(0, w, 1, 32,0,0,0,0);
the_state->sdlsurface_sinusoidY = SDL_CreateRGBSurface(0, 1, h, 32,0,0,0,0);
the_state->sdlsurface_monochrome = SDL_CreateRGBSurface(0, 1, 1, 32,0,0,0,0);
/*
the_state->sdltexture = SDL_CreateTexture(the_state->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STATIC, 1, 1);
the_state->sdl_RT = SDL_CreateTexture(the_state->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, w, h);
the_state->sdl_tex_gcb_X = SDL_CreateTexture(the_state->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STATIC, w, 1);
the_state->sdl_tex_gcb_Y = SDL_CreateTexture(the_state->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STATIC, 1, h);
the_state->sdl_tex_sin_X = SDL_CreateTexture(the_state->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STATIC, w, 1);
the_state->sdl_tex_sin_Y = SDL_CreateTexture(the_state->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STATIC, 1, h);
the_state->sdl_tex_rgb = SDL_CreateTexture(the_state->renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STATIC, 1, 1);
*/
return 0;
}
int configure_GL(SERVER_STATE* the_state)
{
/*
bool success = true;
the_state->gprogramID = glCreateProgram();
GLuint vertexShader = glCreateShader( GL_VERTEX_SHADER );
const GLchar* vertexShaderSource[] = { "#version 140\nin vec2 LVertexPos2D; void main() { gl_Position = vec4( LVertexPos2D.x, LVertexPos2D.y, 0, 1 ); }" };
glShaderSource( vertexShader, 1, vertexShaderSource, NULL );
glCompileShader( vertexShader );
GLint vShaderCompiled = GL_FALSE;
glGetShaderiv( vertexShader, GL_COMPILE_STATUS, &vShaderCompiled );
if( vShaderCompiled != GL_TRUE ) {
printf( "Unable to compile vertex shader %d!\n", vertexShader );
printShaderLog( vertexShader ); success = false;
}
*/
// OpenGL setup
// upload texture data
glEnable(GL_TEXTURE_2D);
glGenTextures( 1, &(the_state->texture) );
glBindTexture( GL_TEXTURE_2D, the_state->texture );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glGenTextures( 1, &(the_state->textureXpattern) );
glBindTexture( GL_TEXTURE_2D, the_state->textureXpattern );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glGenTextures( 1, &(the_state->textureYpattern) );
glBindTexture( GL_TEXTURE_2D, the_state->textureYpattern );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
SDL_GL_SetSwapInterval(1);
//glClearColor(0, 0, 0, 0);
glMatrixMode(GL_PROJECTION|GL_MODELVIEW);
glLoadIdentity();
return 0;
}
/*
void draw_pattern_GL()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glViewport(0,0,screen_size[0],screen_size[1]);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0, (double)(screen_size[0])/(double)(screen_size[1]), 0.1,100.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(2.0,3.0,4.0, 0.0,0.0,0.0, 0.0,1.0,0.0);
//Set our loaded texture as the current 2D texture (this isn't actually technically necessary since our
//texture was never unselected from above, but this is most clear)
glBindTexture(GL_TEXTURE_2D,texture);
//Tell OpenGL that all subsequent drawing operations should try to use the current 2D texture
glEnable(GL_TEXTURE_2D);
glBegin(GL_TRIANGLES);
glTexCoord2f(0.0f,0.0f); //All subsequent vertices will have an associated texture coordinate of (0,0)
glVertex3f( 0.0f, 0.1f, 0.0f);
glTexCoord2f(1.0f,0.0f); //All subsequent vertices will have an associated texture coordinate of (1,0)
glVertex3f(-0.1f,-0.1f, 0.7f);
glTexCoord2f(0.0f,1.0f); //All subsequent vertices will have an associated texture coordinate of (0,1)
glVertex3f( 1.0f,-0.2f, 0.0f);
glEnd();
//Tell OpenGL that all subsequent drawing operations should NOT try to use the current 2D texture
glDisable(GL_TEXTURE_2D);
glBegin(GL_LINES);
glColor3f(1.0f,0.0f,0.0f); glVertex3f(0.0f,0.0f,0.0f); glVertex3f(1.0f,0.0f,0.0f);
glColor3f(0.0f,1.0f,0.0f); glVertex3f(0.0f,0.0f,0.0f); glVertex3f(0.0f,1.0f,0.0f);
glColor3f(0.0f,0.0f,1.0f); glVertex3f(0.0f,0.0f,0.0f); glVertex3f(0.0f,0.0f,1.0f);
glColor3f(1.0f,1.0f,1.0f);
glEnd();
SDL_GL_SwapWindow(window);
}
*/
// pattern rendering calls
void draw_pattern_fast_GL(SDL_Texture* texture_in, SDL_Window *window_in, GLfloat* verts_in, GLfloat* texcoord_in, GLubyte* indices_in)
{
int w,h;
SDL_GetWindowSize(window_in,&w,&h);
glClear(GL_COLOR_BUFFER_BIT);
glViewport(0, 0, w, h);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, w, h, 0, 1, -1);
SDL_GL_BindTexture( texture_in, NULL, NULL);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, verts_in);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, texcoord_in);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, indices_in);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
SDL_GL_SwapWindow(window_in);
SDL_UpdateWindowSurface(window_in);
}
void draw_pattern(SDL_Window *window)
{
int w,h;
SDL_GetWindowSize(window,&w,&h);
glClear(GL_COLOR_BUFFER_BIT);
glViewport(0, 0, w, h);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, w, h, 0, 1, -1);
glBegin(GL_QUADS);
glTexCoord2f( 0, 0 ); glVertex3f(0, 0, 0);
glTexCoord2f( 1, 0 ); glVertex3f(w, 0, 0);
glTexCoord2f( 1, 1 ); glVertex3f(w, h, 0);
glTexCoord2f( 0, 1 ); glVertex3f(0, h, 0);
glEnd();
/*
glBegin(GL_TRIANGLES);
glTexCoord2i( 0, 0 ); glVertex3f(0, 0, 1);
glTexCoord2i( 1, 0 ); glVertex3f(w, 0, 1);
glTexCoord2i( 0, 0 ); glVertex3f(0, 0, 1);
glTexCoord2i( 0, 0 ); glVertex3f(0, 0, 1);
glTexCoord2i( 1, 1 ); glVertex3f(w, h, 1);
glTexCoord2i( 0, 1 ); glVertex3f(0, h, 1);
glEnd();
*/
SDL_UpdateWindowSurface(window);
//SDL_GL_SwapWindow(window);
}
int main(int argc, char *argv[])
{
init_SERVER_STATE(&state);
SERVER_STATE *s = &state;
int sdl_err = configure_SDL(s);
if(!sdl_err) { s->sdl_rdy = true; }
int gl_err = configure_GL(s);
if(!sdl_err) { s->gl_rdy = true; }
// osc setup
lo_server_thread st = lo_server_thread_new(SERVER_DISPLAY_PORT, error);
lo_server_thread_add_method(st, NULL, NULL, generic_handler, NULL);
// axis(x=0,y=1), bitindex(i>>N), inverted(0=F,1=T), R, G, B(0,1.0)
//lo_server_thread_add_method(st, "/pattern_change", "iiifff", pattern_change_request_handler, NULL);
lo_server_thread_add_method(st, "/display_info", "i", display_info_request_handler, NULL);
lo_server_thread_add_method(st, "/pattern_status", "i", pattern_status_request_handler, NULL);
lo_server_thread_add_method(st, "/pattern_state", "iiiifff", pattern_state_request_handler, NULL); // gcb
lo_server_thread_add_method(st, "/pattern_state", "iiifffff", pattern_state_request_handler, NULL); // sin
lo_server_thread_add_method(st, "/pattern_state", "iifff", pattern_state_request_handler, NULL); // rgb
lo_server_thread_start(st);
// slcapture.py
lo_address t = lo_address_new(SERVER_CONTROL_ADDRESS, SERVER_CONTROL_PORT);
// test sending display info packet
if (send_display_info(t, 1920,1080) == -1) {
printf("OSC error %d: %s\n", lo_address_errno(t), lo_address_errstr(t));
}
// test sending pattern status packet
if(false)
{
int axis = 0;
int bitidx = 0;
int inv = 0;
float r,g,b;
r=1.0; g=1.0; b=1.0;
//send_pattern_status(t, axis, bitidx, inv,r,g,b);
}
while (!(s->done)) {
s->tick++;
if( state.fullscreen ){
SDL_ShowCursor(0);
}
SDL_Event event;
while( SDL_PollEvent(&event) ){
switch (event.type) {
case SDL_KEYDOWN:
{
switch(event.key.keysym.sym){
case SDLK_ESCAPE:
{
s->done = true;
break;
}
case 't':
{
}
case 'f': // F key
{
state.dirty = true;
state.fullscreen = !state.fullscreen;
// transition to fullscreen
if( state.fullscreen ){
int disp = SDL_GetWindowDisplayIndex(s->window);
printf("disp = %d\n",disp);
SDL_Rect rect;
SDL_GetDisplayBounds(disp, &rect);
s->window_w = rect.w;
s->window_h = rect.h;
printf("new size: %d x %d\n",rect.w,rect.h);
SDL_SetWindowFullscreen(s->window,SDL_WINDOW_FULLSCREEN_DESKTOP);
SDL_ShowCursor(0);
// cause heartbeat
s->dirty_n = 60;
} else
// transition to windowed
{
SDL_SetWindowFullscreen(s->window,0);
SDL_ShowCursor(1);
SDL_SetWindowBordered(s->window,SDL_FALSE);
s->dirty_n = 60;
int w,h;
SDL_GetWindowSize(s->window,&w,&h);
SDL_SetWindowSize(s->window,
s->window_w_def,
s->window_h_def);
printf("new size: %d x %d\n",w,h);
}
break;
}
break;
}
break;
}
case SDL_MOUSEBUTTONDOWN:
{
break;
}
case SDL_MOUSEMOTION:
{
break;
}
}
}
// events processed
// refresh windows dimensions
if(s->fullscreen){
int disp = SDL_GetWindowDisplayIndex(s->window);
SDL_Rect rect;
SDL_GetDisplayBounds(disp, &rect);
s->window_w = rect.w;
s->window_h = rect.h;
} else {
int w,h;
SDL_GetWindowSize(s->window,&w,&h);
s->window_w = w;
s->window_h = h;
}
// generate pattern
// refresh display
if( s->dirty_n > 0 ) { //|| ( s->dirty_n > 0 && curtime() - s->dirty_t > s->dirty_interval ) ){
s->dirty = true;
//SDL_SetRenderTarget(s->renderer, s->sdl_RT);
//SDL_SetRenderDrawColor(s->renderer, 0x00, 0x00, 0x00, 0x00);
//SDL_RenderClear( s->renderer );
//SDL_SetRenderDrawColor( s->renderer, 255,255,255,255);
s->cur_r=fmin(fmax(s->cur_r,0),1);
s->cur_g=fmin(fmax(s->cur_g,0),1);
s->cur_b=fmin(fmax(s->cur_b,0),1);
s->shown_r = s->cur_r;
s->shown_g = s->cur_g;
s->shown_b = s->cur_b;
s->shown_rendermode = s->cur_rendermode;
s->shown_invert = s->cur_invert;
s->shown_axis = s->cur_axis;
s->shown_bitindex = s->cur_bitindex;
s->shown_freq = s->cur_freq;
s->shown_phase = s->cur_phase;
SDL_Rect screen_rect;
screen_rect.x = 0;
screen_rect.y = 0;
screen_rect.w = s->window_w;
screen_rect.h = s->window_h;
SDL_SetRenderDrawColor(s->renderer, 255, 0, 255, 255);
SDL_RenderClear(s->renderer);
// GCB
if(s->shown_rendermode==0)
{
// x axis surface
if( s->shown_axis == 0 )
{
double t0 = curtime();
gen_graycode( s->sdlsurface_graycodeX, s->gray_LUT, s->shown_invert, 0, s->shown_bitindex, s->cur_r, s->cur_g, s->cur_b);
double t1 = curtime();
if(s->sdl_tex_gcb_X!=NULL)
{
SDL_DestroyTexture(s->sdl_tex_gcb_X);
}
s->sdl_tex_gcb_X = SDL_CreateTextureFromSurface(s->renderer, s->sdlsurface_graycodeX);
double t2 = curtime();
SDL_RenderCopy( s->renderer, s->sdl_tex_gcb_X, NULL, NULL);
double t3 = curtime();
SDL_RenderPresent(s->renderer);
double t4 = curtime();
printf("[%0.6f] gen_graycode took [%0.6f s]\n",t0,t1-t0);
printf("[%0.6f] SDL_CreateTextureFromSurface took [%0.6f s]\n",t1,t2-t1);
printf("[%0.6f] SDL_RenderCopy took [%0.6f s]\n",t2,t3-t2);
printf("[%0.6f] SDL_RenderPresent took [%0.6f s]\n",t3,t4-t3);
printf("[%0.6f] TOTAL took [%0.6f s] (%0.2f fps)\n",t4,t4-t0,1.0f/(t4-t0));
}
// y axis surface
if( s->shown_axis == 1 )
{
double t0 = curtime();
gen_graycode( s->sdlsurface_graycodeY, s->gray_LUT, s->shown_invert, 1, s->shown_bitindex, s->cur_r, s->cur_g, s->cur_b);
double t1 = curtime();
if(s->sdl_tex_gcb_Y!=NULL)
{
SDL_DestroyTexture(s->sdl_tex_gcb_Y);
}
s->sdl_tex_gcb_Y = SDL_CreateTextureFromSurface(s->renderer, s->sdlsurface_graycodeY);
double t2 = curtime();
SDL_RenderCopy( s->renderer, s->sdl_tex_gcb_Y, NULL, NULL);
double t3 = curtime();
SDL_RenderPresent(s->renderer);
double t4 = curtime();
printf("[%0.6f] gen_graycode took [%0.6f s]\n",t0,t1-t0);
printf("[%0.6f] SDL_CreateTextureFromSurface took [%0.6f s]\n",t1,t2-t1);
printf("[%0.6f] SDL_RenderCopy took [%0.6f s]\n",t2,t3-t2);
printf("[%0.6f] SDL_RenderPresent took [%0.6f s]\n",t3,t4-t3);
printf("[%0.6f] TOTAL took [%0.6f s] (%0.2f fps)\n",t4,t4-t0,1.0f/(t4-t0));
}
}
// SIN
if(s->shown_rendermode==1)
{
// x axis surface
if( s->shown_axis == 0 )
{
double t0 = curtime();
gen_sine(s->sdlsurface_sinusoidX, s->shown_invert, s->shown_axis, s->shown_freq, s->shown_phase, s->shown_r, s->shown_g, s->shown_b);
double t1 = curtime();
if(s->sdl_tex_sin_X!=NULL)
{
SDL_DestroyTexture(s->sdl_tex_sin_X);
}
s->sdl_tex_sin_X = SDL_CreateTextureFromSurface(s->renderer, s->sdlsurface_sinusoidX);
double t2 = curtime();
SDL_RenderCopy( s->renderer, s->sdl_tex_sin_X, NULL, NULL);
double t3 = curtime();
SDL_RenderPresent(s->renderer);
double t4 = curtime();
printf("[%0.6f] gen_sine took [%0.6f s]\n",t0,t1-t0);
printf("[%0.6f] SDL_CreateTextureFromSurface took [%0.6f s]\n",t1,t2-t1);
printf("[%0.6f] SDL_RenderCopy took [%0.6f s]\n",t2,t3-t2);
printf("[%0.6f] SDL_RenderPresent took [%0.6f s]\n",t3,t4-t3);
printf("[%0.6f] TOTAL took [%0.6f s] (%0.2f fps)\n",t4,t4-t0,1.0f/(t4-t0));
}
// y axis surface
if( s->shown_axis == 1 )
{
double t0 = curtime();
gen_sine(s->sdlsurface_sinusoidY, s->shown_invert, s->shown_axis, s->shown_freq, s->shown_phase, s->shown_r, s->shown_g, s->shown_b);
double t1 = curtime();
if(s->sdl_tex_sin_Y!=NULL)
{
SDL_DestroyTexture(s->sdl_tex_sin_Y);
}
s->sdl_tex_sin_Y = SDL_CreateTextureFromSurface(s->renderer, s->sdlsurface_sinusoidY);
double t2 = curtime();
SDL_RenderCopy( s->renderer, s->sdl_tex_sin_Y, NULL, NULL);
double t3 = curtime();
SDL_RenderPresent(s->renderer);
double t4 = curtime();
printf("[%0.6f] gen_sine took [%0.6f s]\n",t0,t1-t0);
printf("[%0.6f] SDL_CreateTextureFromSurface took [%0.6f s]\n",t1,t2-t1);
printf("[%0.6f] SDL_RenderCopy took [%0.6f s]\n",t2,t3-t2);
printf("[%0.6f] SDL_RenderPresent took [%0.6f s]\n",t3,t4-t3);
printf("[%0.6f] TOTAL took [%0.6f s] (%0.2f fps)\n",t4,t4-t0,1.0f/(t4-t0));
}
}
// RGB
if(s->shown_rendermode==2)
{
double t0 = curtime();
gen_rgb(s->sdlsurface_monochrome, s->shown_r, s->shown_g, s->shown_b);
double t1 = curtime();
if(s->sdltexture!=NULL)
{
SDL_DestroyTexture(s->sdltexture);
}
s->sdltexture = SDL_CreateTextureFromSurface(s->renderer, s->sdlsurface_monochrome);
double t2 = curtime();
SDL_RenderCopy( s->renderer, s->sdltexture, NULL, &screen_rect);
double t3 = curtime();
SDL_RenderPresent(s->renderer);
double t4 = curtime();
printf("[%0.6f] gen_rgb took [%0.6f s]\n",t0,t1-t0);
printf("[%0.6f] SDL_CreateTextureFromSurface took [%0.6f s]\n",t1,t2-t1);
printf("[%0.6f] SDL_RenderCopy took [%0.6f s]\n",t2,t3-t2);
printf("[%0.6f] SDL_RenderPresent took [%0.6f s]\n",t3,t4-t3);
printf("[%0.6f] TOTAL took [%0.6f s] (%0.2f fps)\n",t4,t4-t0,1.0f/(t4-t0));