void drawString(char *string, float x, float y) {
glRasterPos2f(x, y);
for (char* c = string; *c != '\0'; c++)
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_10 , *c);
}
void cb_glext2d_realize(GtkWidget *widget, gpointer user_data)
{
PangoFont *font;
PangoFontMetrics *font_metrics;
PangoFontDescription *font_desc;
GdkGLContext *glcontext = gtk_widget_get_gl_context(widget);
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(widget);
if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext)) {
return;
}
glShadeModel(GL_FLAT);
glDisable(GL_DITHER);
// generate display list for our square base
glNewList(GREY_2D_SQUARE_CALL_LIST, GL_COMPILE);
glBegin(GL_QUAD_STRIP);
glColor3ub(100, 100, 100);
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f(1, -1);
glVertex2f(1, 1);
glEnd();
glEndList();
glNewList(WHITE_2D_SQUARE_CALL_LIST, GL_COMPILE);
glBegin(GL_QUAD_STRIP);
glColor3ub(255, 255, 255);
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f(1, -1);
glVertex2f(1, 1);
glEnd();
glEndList();
// generate display lists for our font
const char *font_string = gtk_entry_get_text(GTK_ENTRY(viz->prefs_label_font));
viz->font_list_2d = glGenLists(128);
font_desc = pango_font_description_from_string(font_string);
font = gdk_gl_font_use_pango_font(font_desc, 0, 128, viz->font_list_2d);
if (font == NULL) {
g_warning("cannot load font '%s', falling back to '%s'", font_string, DEFAULT_LABEL_FONT);
font_desc = pango_font_description_from_string(DEFAULT_LABEL_FONT);
font = gdk_gl_font_use_pango_font(font_desc, 0, 128, viz->font_list_3d);
}
// use pango to determine dimensions of font
font_metrics = pango_font_get_metrics(font, NULL);
viz->font_height_2d = pango_font_metrics_get_ascent(font_metrics) + pango_font_metrics_get_descent(font_metrics);
viz->font_height_2d = PANGO_PIXELS(viz->font_height_2d);
pango_font_description_free(font_desc);
pango_font_metrics_unref(font_metrics);
// define display lists for our as labels
glNewList(LABELS_2D_AS_CALL_LIST, GL_COMPILE);
// output our labels
glColor3f(1.0, 1.0, 1.0);
// 0 label
glRasterPos2f(-1.0, -1.0);
glListBase(viz->font_list_2d);
glCallLists(strlen(" 0"), GL_UNSIGNED_BYTE, " 0");
// 65535 label
glRasterPos2f(1.0, 1.0);
glListBase(viz->font_list_2d);
glCallLists(strlen(" 65535"), GL_UNSIGNED_BYTE, " 65535");
glEndList();
// enable the use of glDrawArrays with vertices and normals
glEnableClientState(GL_VERTEX_ARRAY);
gdk_gl_drawable_gl_end(gldrawable);
}
void Device::draw_pixels(device_memory& rgba, int y, int w, int h, int dx, int dy, int width, int height, bool transparent,
const DeviceDrawParams &draw_params)
{
assert(rgba.type == MEM_PIXELS);
mem_copy_from(rgba, y, w, h, rgba.memory_elements_size(1));
if(transparent) {
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
glColor3f(1.0f, 1.0f, 1.0f);
if(rgba.data_type == TYPE_HALF) {
/* for multi devices, this assumes the inefficient method that we allocate
* all pixels on the device even though we only render to a subset */
GLhalf *host_pointer = (GLhalf*)rgba.host_pointer;
float vbuffer[16], *basep;
float *vp = NULL;
host_pointer += 4*y*w;
/* draw half float texture, GLSL shader for display transform assumed to be bound */
GLuint texid;
glGenTextures(1, &texid);
glBindTexture(GL_TEXTURE_2D, texid);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, w, h, 0, GL_RGBA, GL_HALF_FLOAT, host_pointer);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glEnable(GL_TEXTURE_2D);
if(draw_params.bind_display_space_shader_cb) {
draw_params.bind_display_space_shader_cb();
}
if(GLEW_VERSION_1_5) {
if(!vertex_buffer)
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
/* invalidate old contents - avoids stalling if buffer is still waiting in queue to be rendered */
glBufferData(GL_ARRAY_BUFFER, 16 * sizeof(float), NULL, GL_STREAM_DRAW);
vp = (float *)glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
basep = NULL;
}
else {
basep = vbuffer;
vp = vbuffer;
}
if(vp) {
/* texture coordinate - vertex pair */
vp[0] = 0.0f;
vp[1] = 0.0f;
vp[2] = dx;
vp[3] = dy;
vp[4] = 1.0f;
vp[5] = 0.0f;
vp[6] = (float)width + dx;
vp[7] = dy;
vp[8] = 1.0f;
vp[9] = 1.0f;
vp[10] = (float)width + dx;
vp[11] = (float)height + dy;
vp[12] = 0.0f;
vp[13] = 1.0f;
vp[14] = dx;
vp[15] = (float)height + dy;
if(vertex_buffer)
glUnmapBuffer(GL_ARRAY_BUFFER);
}
glTexCoordPointer(2, GL_FLOAT, 4 * sizeof(float), basep);
glVertexPointer(2, GL_FLOAT, 4 * sizeof(float), ((char *)basep) + 2 * sizeof(float));
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
if(vertex_buffer) {
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
if(draw_params.unbind_display_space_shader_cb) {
draw_params.unbind_display_space_shader_cb();
}
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
glDeleteTextures(1, &texid);
}
else {
/* fallback for old graphics cards that don't support GLSL, half float,
* and non-power-of-two textures */
glPixelZoom((float)width/(float)w, (float)height/(float)h);
glRasterPos2f(dx, dy);
uint8_t *pixels = (uint8_t*)rgba.host_pointer;
pixels += 4*y*w;
glDrawPixels(w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
glRasterPos2f(0.0f, 0.0f);
glPixelZoom(1.0f, 1.0f);
}
if(transparent)
glDisable(GL_BLEND);
}
// draw string in OpenGL at position x, y
void draw_string(GLfloat x, GLfloat y, const char* word)
{
glColor4f(1.0, 1.0, 1.0, 0.0);
glRasterPos2f(x, y);
print_string(font_base, word);
}
/*
==============
XY_DrawBlockGrid
==============
*/
void XY_DrawBlockGrid (void)
{
float x, y, xb, xe, yb, ye;
int w, h;
char text[32];
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE_1D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
w = g_qeglobals.d_xy.width/2 / g_qeglobals.d_xy.scale;
h = g_qeglobals.d_xy.height/2 / g_qeglobals.d_xy.scale;
xb = g_qeglobals.d_xy.origin[0] - w;
if (xb < region_mins[0])
xb = region_mins[0];
xb = 1024 * floor (xb/1024);
xe = g_qeglobals.d_xy.origin[0] + w;
if (xe > region_maxs[0])
xe = region_maxs[0];
xe = 1024 * ceil (xe/1024);
yb = g_qeglobals.d_xy.origin[1] - h;
if (yb < region_mins[1])
yb = region_mins[1];
yb = 1024 * floor (yb/1024);
ye = g_qeglobals.d_xy.origin[1] + h;
if (ye > region_maxs[1])
ye = region_maxs[1];
ye = 1024 * ceil (ye/1024);
// draw major blocks
glColor3f(0,0,1);
glLineWidth (2);
glBegin (GL_LINES);
for (x=xb ; x<=xe ; x+=1024)
{
glVertex2f (x, yb);
glVertex2f (x, ye);
}
for (y=yb ; y<=ye ; y+=1024)
{
glVertex2f (xb, y);
glVertex2f (xe, y);
}
glEnd ();
glLineWidth (1);
// draw coordinate text if needed
for (x=xb ; x<xe ; x+=1024)
for (y=yb ; y<ye ; y+=1024)
{
glRasterPos2f (x+512, y+512);
sprintf (text, "%i,%i",(int)floor(x/1024), (int)floor(y/1024) );
glCallLists (strlen(text), GL_UNSIGNED_BYTE, text);
}
glColor4f(0, 0, 0, 0);
}
void TeleportWindow::render(int window_w, int window_h)
{
// Calculate size of 1 pixel
float ps_w = 2. / window_w; // pixelsize x-direction
float ps_h = 2. / window_h; // pixelsize y-direction
float apsr = 1.*window_w / window_h; // aspectatio
// Whole Window
glColor3f(0.0, 0.0, 0.1);
glBegin(GL_QUADS);
{
glVertex3f(-0.9, -0.9, -1.0);
glVertex3f(-0.9, 0.9, -1.0);
glVertex3f( 0.9, 0.9, -1.0);
glVertex3f( 0.9, -0.9, -1.0);
}
glEnd();
// Preview Widget
glColor3f (0.1, 0.1, 0.1);
glBegin(GL_QUADS);
{
glVertex3f(-0.45/apsr, -0.45, -1.0);
glVertex3f(-0.45/apsr, 0.45, -1.0);
glVertex3f( 0.45/apsr, 0.45, -1.0);
glVertex3f( 0.45/apsr, -0.45, -1.0);
}
glEnd();
glColor3f(1.0, 1.0, 1.0);
glRasterPos2f(-0.9 + 4 * ps_w, -0.9 + 4 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_12,
(unsigned char *)"Use arrow keys up and down to select the desired action.\
Use arrow keys right and left to select your destination or type its name.");
glColor3f(1, 1, 1);
unsigned char *actionstring = (unsigned char *)
m_actions.at(m_action_selected).getDescription().c_str();
float actionstring_len = glutBitmapLength(GLUT_BITMAP_HELVETICA_18, actionstring);
glRasterPos2f(0 - actionstring_len / 2 * ps_w, 1 - 70 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, actionstring);
float offset_l = m_destination.length() * 4.5;
glRasterPos2f(0 - offset_l * ps_w, 1 - 93 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (unsigned char *)m_destination.c_str());
glColor3f(1, 1, 1);
// Render preview of TeleportTarget
glPushAttrib(GL_ENABLE_BIT);
{
glEnable (GL_DEPTH);
glEnable (GL_DEPTH_TEST);
glEnable (GL_BLEND);
glScalef(1.0f / apsr, 1.0f, 1.0f);
glTranslatef(0.0f, 0.0f, -1.0f);
if (m_target)
m_target->renderPreview(m_preview_time, 0.4f);
else
{
// Draw Wire Sphere
glLineWidth(2.0);
glPushMatrix();
{
glRotatef(m_preview_time * TELEPORT_PREVIEW_ROTSPEED, 0, 1, 0);
glRotatef(90, 1, 0, 0);
glutWireSphere(0.4, 20, 20);
}
glPopMatrix();
// Draw red question mark
glPushMatrix();
{
glColor3f(1.0f, 0.0f, 0.0f);
glLineWidth(5.0);
float textsize = 0.5;
float font_height = textsize / glutStrokeHeight(GLUT_STROKE_MONO_ROMAN);
float font_width = textsize / glutStrokeLength(GLUT_STROKE_MONO_ROMAN,
(unsigned char *)"?");
glTranslatef(0.0f, 0.0f, 1.0f);
glRotatef(m_preview_time * TELEPORT_PREVIEW_ROTSPEED, 0, 1, 0);
glTranslatef(-textsize / 2, -textsize / 4, 0.4f);
glScalef(font_width, font_height, font_width);
glutStrokeString(GLUT_STROKE_MONO_ROMAN, (unsigned char *)"?");
}
}
}
glPopAttrib();
}
void
Display(void)
{
int i;
static double th[4] = {0.0, 0.0, 0.0, 0.0};
static double t1 = 0.0, t2 = 0.0, t;
char num_str[128];
t1 = t2;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
for (i = 0; i < NUM_SHARKS; i++) {
glPushMatrix();
FishTransform(&sharks[i]);
DrawShark(&sharks[i]);
glPopMatrix();
}
glPushMatrix();
FishTransform(&dolph);
DrawDolphin(&dolph);
glPopMatrix();
glPushMatrix();
FishTransform(&momWhale);
DrawWhale(&momWhale);
glPopMatrix();
glPushMatrix();
FishTransform(&babyWhale);
glScalef(0.45, 0.45, 0.3);
DrawWhale(&babyWhale);
glPopMatrix();
if(Timing)
{
t2 = mtime();
t = t2 - t1;
if(t > 0.0001) t = 1.0 / t;
glDisable(GL_LIGHTING);
//glDisable(GL_DEPTH_TEST);
glColor3f(1.0, 0.0, 0.0);
glMatrixMode (GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, w_win, 0, h_win, -10.0, 10.0);
glRasterPos2f(5.0, 5.0);
switch(StrMode)
{
case GL_VENDOR:
sprintf(num_str, "%0.2f Hz, %dx%d, VENDOR: ", filter(t, th), w_win, h_win);
DrawStr(num_str);
DrawStr(glGetString(GL_VENDOR));
break;
case GL_RENDERER:
sprintf(num_str, "%0.2f Hz, %dx%d, RENDERER: ", filter(t, th), w_win, h_win);
DrawStr(num_str);
DrawStr(glGetString(GL_RENDERER));
break;
case GL_VERSION:
sprintf(num_str, "%0.2f Hz, %dx%d, VERSION: ", filter(t, th), w_win, h_win);
DrawStr(num_str);
DrawStr(glGetString(GL_VERSION));
break;
case GL_EXTENSIONS:
sprintf(num_str, "%0.2f Hz, %dx%d, EXTENSIONS: ", filter(t, th), w_win, h_win);
DrawStr(num_str);
DrawStr(glGetString(GL_EXTENSIONS));
break;
}
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glEnable(GL_LIGHTING);
//glEnable(GL_DEPTH_TEST);
}
count++;
glutSwapBuffers();
}
static void HandleDisplay(void) {
const WebPDecBuffer* const pic = kParams.pic;
const WebPIterator* const iter = &kParams.frameiter;
GLfloat xoff, yoff;
if (pic == NULL) return;
glPushMatrix();
glPixelZoom(1, -1);
xoff = (GLfloat)(2. * iter->x_offset / kParams.canvas_width);
yoff = (GLfloat)(2. * iter->y_offset / kParams.canvas_height);
glRasterPos2f(-1.f + xoff, 1.f - yoff);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ROW_LENGTH, pic->u.RGBA.stride / 4);
if (kParams.prev_frame.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) {
// TODO(later): these offsets and those above should factor in window size.
// they will be incorrect if the window is resized.
// glScissor() takes window coordinates (0,0 at bottom left).
const int window_x = kParams.prev_frame.x_offset;
const int window_y = kParams.canvas_height -
kParams.prev_frame.y_offset -
kParams.prev_frame.height;
glEnable(GL_SCISSOR_TEST);
// Only updated the requested area, not the whole canvas.
glScissor(window_x, window_y,
kParams.prev_frame.width, kParams.prev_frame.height);
glClear(GL_COLOR_BUFFER_BIT); // use clear color
DrawCheckerBoard();
glDisable(GL_SCISSOR_TEST);
}
kParams.prev_frame.width = iter->width;
kParams.prev_frame.height = iter->height;
kParams.prev_frame.x_offset = iter->x_offset;
kParams.prev_frame.y_offset = iter->y_offset;
kParams.prev_frame.dispose_method = iter->dispose_method;
glDrawPixels(pic->width, pic->height,
GL_RGBA, GL_UNSIGNED_BYTE,
(GLvoid*)pic->u.RGBA.rgba);
if (kParams.print_info) {
char tmp[32];
glColor4f(0.90f, 0.0f, 0.90f, 1.0f);
glRasterPos2f(-0.95f, 0.90f);
PrintString(kParams.file_name);
snprintf(tmp, sizeof(tmp), "Dimension:%d x %d", pic->width, pic->height);
glColor4f(0.90f, 0.0f, 0.90f, 1.0f);
glRasterPos2f(-0.95f, 0.80f);
PrintString(tmp);
if (iter->x_offset != 0 || iter->y_offset != 0) {
snprintf(tmp, sizeof(tmp), " (offset:%d,%d)",
iter->x_offset, iter->y_offset);
glRasterPos2f(-0.95f, 0.70f);
PrintString(tmp);
}
}
glPopMatrix();
glFlush();
}
void display(void)
{
int i = 0;
GLfloat bbox[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f};
GLfloat bbox2[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f};
char string[20];
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* Render GLC_BITMAP without kerning */
glLoadIdentity();
glColor3f(1.f, 0.f, 0.f);
glRasterPos2f(50.f, 50.f);
glcDisable(GLC_KERNING_QSO);
glcRenderStyle(GLC_BITMAP);
glcLoadIdentity();
glcScale(100.f, 100.f);
glcRenderString("VAV");
glcMeasureString(GL_FALSE, "VAV");
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glTranslatef(50.f, 50.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", bbox[2] - bbox[0]);
glcEnable(GLC_HINTING_QSO);
glcScale(0.15f, 0.15f);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(bbox);
glVertex2f(bbox[0], bbox[1] - 40.f);
glVertex2fv(&bbox[2]);
glVertex2f(bbox[2], bbox[3] - 40.f);
glVertex2f(bbox[0], bbox[1] - 30.f);
glVertex2f(bbox[2], bbox[3] - 30.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[0] + 5.f, bbox[1] - 25.f);
glVertex2f(bbox[0], bbox[1] - 30.f);
glVertex2f(bbox[0] + 5.f, bbox[1] - 35.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[2] - 5.f, bbox[1] - 25.f);
glVertex2f(bbox[2], bbox[1] - 30.f);
glVertex2f(bbox[2] - 5.f, bbox[1] - 35.f);
glEnd();
glLoadIdentity();
glRasterPos2f(floor((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0])) * 50.f) / 100.f + 50.f,
floorf((bbox[1] + 23.f) * 100.f) / 100.f);
glcRenderString(string);
glcDisable(GLC_HINTING_QSO);
/* Render GLC_TEXTURE without kerning */
glLoadIdentity();
glcRenderStyle(GLC_TEXTURE);
glColor3f(1.f, 0.f, 0.f);
glScalef(100.f, 100.f, 1.f);
glTranslatef(3.f, 0.5f, 0.f);
glPushMatrix();
/* In order to reproduce the conditions of bug #1987563, GLC_GL_OBJECTS must
* be disabled when rendering GLC_TEXTURE w/o kerning.
*/
glcRenderString("VAV");
glPopMatrix();
glcMeasureString(GL_TRUE, "VAV");
glcGetStringCharMetric(1, GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", (bbox[2] - bbox[0]) * 100.f);
glcEnable(GLC_HINTING_QSO);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(bbox);
glVertex2f(bbox[0], bbox[1] - 0.4f);
glVertex2fv(&bbox[2]);
glVertex2f(bbox[2], bbox[3] - 0.4f);
glVertex2f(bbox[0], bbox[1] - 0.3f);
glVertex2f(bbox[2], bbox[3] - 0.3f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[0] + 0.05f, bbox[1] - 0.25f);
glVertex2f(bbox[0], bbox[1] - 0.3f);
glVertex2f(bbox[0] + 0.05f, bbox[1] - 0.35f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[2] - 0.05f, bbox[1] - 0.25f);
glVertex2f(bbox[2], bbox[1] - 0.3f);
glVertex2f(bbox[2] - 0.05f, bbox[1] - 0.35f);
glEnd();
/* When hinting is enabled, characters must be rendered at integer positions
* otherwise hinting is compromised and characters look fuzzy.
*/
glTranslatef(floorf((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0]) * 0.15f) * 50.f) / 100.f,
floorf((bbox[1] - 0.27f) * 100.f) / 100.f, 0.f);
glScalef(0.15f, 0.15f, 1.f);
glcRenderString(string);
glcDisable(GLC_HINTING_QSO);
/* Render GLC_BITMAP with kerning */
glColor3f(1.f, 0.f, 0.f);
glcEnable(GLC_KERNING_QSO);
glcRenderStyle(GLC_BITMAP);
glcLoadIdentity();
glcScale(100.f, 100.f);
glLoadIdentity();
glRasterPos2f(50.f, 150.f);
glcRenderString("VAV");
glcMeasureString(GL_FALSE, "VAV");
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glTranslatef(50.f, 150.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", bbox[4] - bbox[6]);
glcEnable(GLC_HINTING_QSO);
glcScale(0.15f, 0.15f);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(&bbox[4]);
glVertex2f(bbox[4], bbox[5] + 40.f);
glVertex2fv(&bbox[6]);
glVertex2f(bbox[6], bbox[7] + 40.f);
glVertex2f(bbox[4], bbox[5] + 30.f);
glVertex2f(bbox[6], bbox[7] + 30.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[4] - 5.f, bbox[5] + 25.f);
glVertex2f(bbox[4], bbox[5] + 30.f);
glVertex2f(bbox[4] - 5.f, bbox[5] + 35.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[6] + 5.f, bbox[7] + 25.f);
glVertex2f(bbox[6], bbox[7] + 30.f);
glVertex2f(bbox[6] + 5.f, bbox[7] + 35.f);
glEnd();
glLoadIdentity();
glRasterPos2f(floorf((bbox[4] - bbox[6]
- (bbox2[4] - bbox2[6])) * 50.f) / 100.f + 50.f,
bbox[7] + 183.f);
glcRenderString(string);
glcScale(2.f, 2.f);
glcMeasureString(GL_FALSE, "GL_BITMAP");
glcGetStringMetric(GLC_BOUNDS, bbox2);
glRasterPos2f(floorf((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0])) * 50.f) / 100.f + 50.f,
300.f);
glcRenderString("GL_BITMAP");
glcDisable(GLC_HINTING_QSO);
/* Render GLC_TEXTURE with kerning */
glLoadIdentity();
glcRenderStyle(GLC_TEXTURE);
glColor3f(1.f, 0.f, 0.f);
glScalef(100.f, 100.f, 1.f);
glTranslatef(3.f, 1.5f, 0.f);
glPushMatrix();
glcRenderString("VAV");
glPopMatrix();
glcMeasureString(GL_TRUE, "VAV");
glcGetStringCharMetric(1, GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", (bbox[4] - bbox[6]) * 100.f);
glcEnable(GLC_HINTING_QSO);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(&bbox[4]);
glVertex2f(bbox[4], bbox[5] + 0.4f);
glVertex2fv(&bbox[6]);
glVertex2f(bbox[6], bbox[7] + 0.4f);
glVertex2f(bbox[4], bbox[5] + 0.3f);
glVertex2f(bbox[6], bbox[7] + 0.3f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[6] + 0.05f, bbox[7] + 0.25f);
glVertex2f(bbox[6], bbox[7] + 0.3f);
glVertex2f(bbox[6] + 0.05f, bbox[7] + 0.35f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[4] - 0.05f, bbox[5] + 0.25f);
glVertex2f(bbox[4], bbox[5] + 0.3f);
glVertex2f(bbox[4] - 0.05f, bbox[5] + 0.35f);
glEnd();
glPushMatrix();
glTranslatef(floorf((bbox[4] - bbox[6]
- (bbox2[4] - bbox2[6]) * 0.15f) *50.f) / 100.f,
floorf((bbox[5] + 0.33f) * 100.f) / 100.f, 0.f);
glScalef(0.15f, 0.15f, 1.f);
glcRenderString(string);
glPopMatrix();
glcMeasureString(GL_FALSE, "GL_TEXTURE");
glcGetStringMetric(GLC_BOUNDS, bbox2);
glTranslatef(floorf((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0]) * 0.3f) * 50.f) / 100.f,
1.5f, 0.f);
glScalef(0.3f, 0.3f, 1.f);
glcRenderString("GL_TEXTURE");
glcDisable(GLC_HINTING_QSO);
glFlush();
}
void game_render()
{
int i;
/* drawmode */
if (draw_fast) {
glDisable(GL_LINE_SMOOTH);
glDisable(GL_POINT_SMOOTH);
glDisable(GL_BLEND);
} else {
glEnable(GL_LINE_SMOOTH);
glEnable(GL_POINT_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
/* view */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(-115,115,-115,115);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
/* clear background */
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
/* frame around image */
glColor3f(1,1,0);
glBegin(GL_LINE_LOOP);
glVertex2f(-110, 110);
glVertex2f( 110, 110);
glVertex2f( 110,-110);
glVertex2f(-110,-110);
glEnd();
glColor3f(1,0,0);
glBegin(GL_LINE_LOOP);
glVertex2f(-105, 105);
glVertex2f( 105, 105);
glVertex2f( 105,-105);
glVertex2f(-105,-105);
glEnd();
glColor3f(0,0,1);
glBegin(GL_LINE_LOOP);
glVertex2f(-100, 100);
glVertex2f( 100, 100);
glVertex2f( 100,-100);
glVertex2f(-100,-100);
glEnd();
/* player */
if (player.state) {
glPushMatrix();
glTranslatef(player.pos_x, player.pos_y, 0);
glRotatef(player.dir, 0,0,1);
glColor3f(.5,.5,1);
glBegin(GL_LINE_LOOP);
glVertex2f(-4,-4);
glVertex2f( 0, 5);
glVertex2f( 4,-4);
glEnd();
glColor3f(1,1,1);
glBegin(GL_LINE_STRIP);
glVertex2f(-2,-5);
glVertex2f(-4,-2);
glVertex2f(-2, 2);
glVertex2f( 2, 2);
glVertex2f( 4,-2);
glVertex2f( 2,-5);
glEnd();
glPopMatrix();
}
/* enemy */
for (i=0; i<sizeof(enemy)/sizeof(Entity); i++) {
if (enemy[i].state) {
glPushMatrix();
glTranslatef(enemy[i].pos_x, enemy[i].pos_y, 0);
glRotatef(enemy[i].dir, 0,0,1);
glColor3f(1,0,0);
glBegin(GL_LINE_STRIP);
glVertex2f(-3,-4);
glVertex2f(-5, 0);
glVertex2f( 0, 5);
glVertex2f( 5, 0);
glVertex2f( 3,-4);
glEnd();
glColor3f(1,1,0);
glBegin(GL_LINE_LOOP);
glVertex2f( 0, 5);
glVertex2f( 3,-4);
glVertex2f(-3,-4);
glEnd();
glPopMatrix();
}
}
/* vortex */
for (i=0; i<sizeof(vortex)/sizeof(Entity); i++) {
if (vortex[i].state) {
glPushMatrix();
glTranslatef(vortex[i].pos_x, vortex[i].pos_y, 0);
glRotatef(vortex[i].dir, 0,0,1);
glColor3f(0,.5,1);
glBegin(GL_LINE_LOOP);
gCircle(vortex[i].radius,6);
glEnd();
glColor3f(0,0,1);
glBegin(GL_LINE_LOOP);
gCircle(vortex[i].radius*.7, 6);
glEnd();
glColor3f(0,0,.5);
glBegin(GL_LINE_LOOP);
gCircle(vortex[i].radius*.4, 6);
glEnd();
glPopMatrix();
}
}
/* p_bullet */
for (i=0; i<sizeof(p_bullet)/sizeof(Entity); i++) {
if (p_bullet[i].state) {
glPushMatrix();
glTranslatef(p_bullet[i].pos_x, p_bullet[i].pos_y, 0);
glRotatef(p_bullet[i].dir, 0,0,1);
glColor3f(1,1,1);
glBegin(GL_LINES);
glVertex2f(0, 1);
glVertex2f(0,-1);
glEnd();
glPopMatrix();
}
}
/* e_bullet */
for (i=0; i<sizeof(e_bullet)/sizeof(Entity); i++) {
if (e_bullet[i].state) {
glPushMatrix();
glTranslatef(e_bullet[i].pos_x, e_bullet[i].pos_y, 0);
glRotatef(e_bullet[i].dir, 0,0,1);
glColor3f(1,1,0);
glBegin(GL_LINES);
glVertex2f(0, 1);
glVertex2f(0,-1);
glEnd();
glPopMatrix();
}
}
/* particles */
glColor3f(.5,.7,1);
glBegin(GL_POINTS);
for (i=0; i<sizeof(particle)/sizeof(Entity); i++) {
if (particle[i].state)
glVertex2f(particle[i].pos_x, particle[i].pos_y);
}
glEnd();
/* textual info */
if (fontbase) {
char s[200];
g_snprintf(s, sizeof(s), "wave %d score %d highscore %d", wave_cnt, score, highscore);
glColor3f(.8,.8,.8);
glRasterPos2f(-90, 90);
glListBase(fontbase);
glCallLists(strlen(s), GL_UNSIGNED_BYTE, s);
}
}
void Visualizer::drawBanner() {
mSquareShader->bind();
{
std::stringstream message;
if (mCurAdjustment && getTime() - mLastAdjustTime < 3) {
auto adj = mAdjustments.find(mCurAdjustment);
if (adj != mAdjustments.end()) {
glColor4f(0,0,0.5,1);
Repeater::Knobs k = mRepeater->getKnobs();
message << adj->second.name << ": " << adj->second.cb(k, 0.0f);
} else {
glColor4f(0.5,0,0,1);
for (auto list : mAdjustments) {
message << list.first << ':' << list.second.name << ' ';
}
}
} else {
switch (mRepeater->getState()) {
case Repeater::S_STARTUP:
glColor4f(1, 0, 0, 1);
message << "acquiring signal";
break;
case Repeater::S_RUNNING:
glColor4f(0, 0, 0, 0.7);
message << "whatwesaidwillbe";
break;
case Repeater::S_SHUTDOWN_REQUESTED:
case Repeater::S_SHUTTING_DOWN:
case Repeater::S_GONE:
glColor4f(0, 0, 1, 1);
message << "whatwesaidonlywas";
break;
}
}
void *font = GLUT_BITMAP_HELVETICA_18;
glRasterPos2f(-mWidth*1.0/mHeight, -1.0 + 9.0/mHeight);
glutBitmapString(font, (const unsigned char *)message.str().c_str());
}
if (0) {
std::stringstream message;
const Repeater::Knobs& k = mRepeater->getKnobs();
message << "mode: ";
switch (k.mode) {
case Repeater::M_GAIN:
message << "gain";
break;
case Repeater::M_TARGET:
message << "target";
break;
case Repeater::M_FEEDBACK:
message << "feedback";
break;
}
message << " " << k.levels.find(k.mode)->second;
size_t width = glutBitmapLength(GLUT_BITMAP_HELVETICA_18,
(const unsigned char *)message.str().c_str());
glRasterPos2f((mWidth - 2*width)*1.0/mHeight, -1);
glColor4f(0, 0, 0, 1);
glutBitmapString(GLUT_BITMAP_HELVETICA_18,
(const unsigned char *)message.str().c_str());
}
}
//------------------------------------------------------------------------------
// drawFunc()
//------------------------------------------------------------------------------
void Display::drawFunc()
{
if (image != nullptr) {
if (testTexture) {
// ---
// Draw using texture map
// ---
// enable textures, if we need to
glEnable(GL_TEXTURE_2D);
if (texture == 0) {
glGenTextures(1,&texture);
}
// set our texture environment
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
double start = getComputerTime();
glTexImage2D(GL_TEXTURE_2D, 0, PIXEL_SIZE, imgWidth, imgHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, image);
glBegin(GL_POLYGON);
glTexCoord2f( 1.0f, 1.0f );
glVertex2f( 1.0f, 1.0f );
glTexCoord2f( 0.0f, 1.0f );
glVertex2f( 0.0f, 1.0f );
glTexCoord2f( 0.0f, 0.0f );
glVertex2f( 0.0f, 0.0f );
glTexCoord2f( 1.0f, 0.0f );
glVertex2f( 1.0f, 0.0f );
glEnd();
double end = getComputerTime();
double dtime = (end - start);
std::cout << "glTexImage2D() dtime = " << dtime << std::endl;
glDisable(GL_TEXTURE_2D);
}
else {
// ---
// Draw using glDrawPixels()
// ---
glRasterPos2f(0.0, 0.0);
double start = getComputerTime();
glDrawPixels(imgWidth, imgHeight, GL_RGB, GL_UNSIGNED_BYTE, image);
double end = getComputerTime();
double dtime = (end - start);
std::cout << "glDrawPixels() dtime = " << dtime << std::endl;
}
}
}
int WINAPI WinMain (HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int iCmdShow)
{
WNDCLASS wc;
HWND hWnd;
HDC hDC;
HGLRC hRC;
MSG msg;
BOOL bQuit = FALSE;
wc.style = CS_OWNDC;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon (NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = "GLpong";
RegisterClass (&wc);
hWnd = CreateWindow (
"GLpong", "ponggl",
WS_CAPTION | WS_POPUPWINDOW | WS_VISIBLE,
70, 70, 800, 600,
NULL, NULL, hInstance, NULL);
EnableOpenGL (hWnd, &hDC, &hRC);
BuildFont();
wglUseFontBitmaps(hDC, 32, 96, base);
while (!bQuit)
{
if (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
{
bQuit = TRUE;
}
else
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
else
{
glClearColor (0.0f, 0.0f, 0.0f, 0.0f);
glClear (GL_COLOR_BUFFER_BIT);
//glColor3f(1,1,1);
//glPushMatrix();
glBegin(GL_TRIANGLE_FAN); //ball
//glColor3f(1,0,0);
glColor3f(0,1,0);
glVertex3f(posx+(GLfloat).01,posy+(GLfloat).01,0);
glVertex3f(posx-(GLfloat).01,posy+(GLfloat).01,0);
glVertex3f(posx-(GLfloat).01,posy-(GLfloat).01,0);
glVertex3f(posx+(GLfloat).01,posy-(GLfloat).01,0);
glEnd();
glBegin(GL_TRIANGLES); //paddle
//glColor3f(1,0,0);
glColor3f(0,1,0);
glVertex3f((GLfloat)(mousex-400)/400,(GLfloat)-1*(mousey-300)/300,0);
glVertex3f(0,0,0);
glVertex3f((GLfloat)(mousex-400)/400-(GLfloat).1,(GLfloat)-1*(mousey-300)/300,0);
glEnd();
glRasterPos2f(0.05f,0.05f);
glPrint("testx%f",(float)mousex);
if (posx==0){richtungsvektor.x=(GLfloat).01;richtungsvektor.y=(GLfloat).03;}
if (posx>1){glPrint("gr%f",(float)posx);richtungsvektor.x=(GLfloat)-.01; }
if (posx<-1){glPrint("kl%f",(float)posx);richtungsvektor.x=(GLfloat)+.01; }
if (posy>1){glPrint("gr%f",(float)posy);richtungsvektor.y=(GLfloat)-.03; }
if (posy<-1){glPrint("kl%f",(float)posy);richtungsvektor.y=(GLfloat)+.03; }
//if (-0.5>posx){glPrint("kl%f",(float)posx);richtungsvektor.x=-.001; }
/*if (posx<-0.5f){richtungsvektor.x=-.001;}
if (posy>0.5f){richtungsvektor.y=.002;}
if (posy<-0.5f){richtungsvektor.y=-.002;}
*/
posx+=richtungsvektor.x;
posy+=richtungsvektor.y;
//glPopMatrix();
SwapBuffers (hDC);
}
}
DisableOpenGL (hWnd, hDC, hRC);
DestroyWindow (hWnd);
return msg.wParam;
}
static void playanim_toscreen(PlayState *ps, PlayAnimPict *picture, struct ImBuf *ibuf, int fontid, int fstep)
{
float offsx, offsy;
if (ibuf == NULL) {
printf("%s: no ibuf for picture '%s'\n", __func__, picture ? picture->name : "<NIL>");
return;
}
if (ibuf->rect == NULL && ibuf->rect_float) {
IMB_rect_from_float(ibuf);
imb_freerectfloatImBuf(ibuf);
}
if (ibuf->rect == NULL)
return;
GHOST_ActivateWindowDrawingContext(g_WS.ghost_window);
/* offset within window */
offsx = 0.5f * (((float)ps->win_x - ps->zoom * ibuf->x) / (float)ps->win_x);
offsy = 0.5f * (((float)ps->win_y - ps->zoom * ibuf->y) / (float)ps->win_y);
CLAMP(offsx, 0.0f, 1.0f);
CLAMP(offsy, 0.0f, 1.0f);
glRasterPos2f(offsx, offsy);
glClearColor(0.1, 0.1, 0.1, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
/* checkerboard for case alpha */
if (ibuf->planes == 32) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
fdrawcheckerboard(offsx, offsy, offsx + (ps->zoom * ibuf->x) / (float)ps->win_x, offsy + (ps->zoom * ibuf->y) / (float)ps->win_y);
}
glDrawPixels(ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
glDisable(GL_BLEND);
pupdate_time();
if (picture && (g_WS.qual & (WS_QUAL_SHIFT | WS_QUAL_LMOUSE)) && (fontid != -1)) {
int sizex, sizey;
float fsizex_inv, fsizey_inv;
char str[32 + FILE_MAX];
cpack(-1);
BLI_snprintf(str, sizeof(str), "%s | %.2f frames/s", picture->name, fstep / swaptime);
playanim_window_get_size(&sizex, &sizey);
fsizex_inv = 1.0f / sizex;
fsizey_inv = 1.0f / sizey;
BLF_enable(fontid, BLF_ASPECT);
BLF_aspect(fontid, fsizex_inv, fsizey_inv, 1.0f);
BLF_position(fontid, 10.0f * fsizex_inv, 10.0f * fsizey_inv, 0.0f);
BLF_draw(fontid, str, sizeof(str));
}
GHOST_SwapWindowBuffers(g_WS.ghost_window);
}
void screen_title()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// Establish view
glTranslatef(0, 0, -50);
glDisable(GL_LIGHTING);
glClear(GL_COLOR_BUFFER_BIT); // clear screen, to glClearColor()
glColor3f(1.0,1.0,1.0);
glRasterPos2f(-2,0);
int len, i;
string fin = "Continue";
const char* a = fin.c_str();
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (const unsigned char*) a);
string fin2 = "New Game" ;
const char* a2 = fin2.c_str();
glRasterPos2f(-2, -2);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (const unsigned char*) a2);
string fin3 = "Instructions" ;
const char* a3 = fin3.c_str();
glRasterPos2f(-2, -4);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (const unsigned char*) a3);
string fin4 = "Exit Game" ;
const char* a4 = fin4.c_str();
glRasterPos2f(-2, -6);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (const unsigned char*) a4);
string fin5 = "Six Sides of Destruction" ;
const char* a5 = fin5.c_str();
glRasterPos2f(-4, 16);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (const unsigned char*) a5);
string fin6 = "" ;
if(mute)
{
fin6 = "Press m to unmute";
}
else{
fin6 = "Press m to mute";
}
const char* a6 = fin6.c_str();
glRasterPos2f(-2, -20);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (const unsigned char*) a6);
// Cursor cube
glPushMatrix();
glTranslatef(-3, titleposition, 0);
glRotatef(titledegrees, 1, 1, 0);
// Draw cube on center
// This is the front
glBegin(GL_QUADS);
glColor3f(1, 0, 0);
glNormal3f(0, 0, 1);
glVertex3f(-msize, -msize, msize);
glVertex3f( msize, -msize, msize);
glVertex3f( msize, msize, msize);
glVertex3f(-msize, msize, msize);
// This is the back
glColor3f(1, 0, 0);
glNormal3f(0, 0, -1);
glVertex3f(-msize, -msize, -msize);
glVertex3f( msize, -msize, -msize);
glVertex3f( msize, msize, -msize);
glVertex3f(-msize, msize, -msize);
// This is the top
glColor3f(0, 1, 0);
glNormal3f(0, 1, 0);
glVertex3f(-msize, msize, -msize);
glVertex3f( msize, msize, -msize);
glVertex3f( msize, msize, msize);
glVertex3f(-msize, msize, msize);
// This is the bottom
glColor3f(0, 1, 0);
glNormal3f(0, -1, 0);
glVertex3f(-msize, -msize, -msize);
glVertex3f( msize, -msize, -msize);
glVertex3f( msize, -msize, msize);
glVertex3f(-msize, -msize, msize);
// This is the left
glColor3f(0, 0, 1);
glNormal3f(-1 , 0, 0);
glVertex3f(-msize, -msize, -msize);
glVertex3f(-msize, msize, -msize);
glVertex3f(-msize, msize, msize);
glVertex3f(-msize, -msize, msize);
// This is the right
glColor3f(0, 0, 1);
glNormal3f(1 , 0, 0);
glVertex3f(msize, -msize, -msize);
glVertex3f(msize, msize, -msize);
glVertex3f(msize, msize, msize);
glVertex3f(msize, -msize, msize);
glEnd();
glPopMatrix();
titledegrees += 0.5;
if(titledegrees > 360)
{
titledegrees -= 360;
}
// Decorative cube
glPushMatrix();
glTranslatef(0, 8, 0);
glRotatef(titledegrees, 0.5, 0, 1);
// Draw cube on center
// This is the front
glBegin(GL_QUADS);
glColor3f(1, 0, 0);
glNormal3f(0, 0, 1);
glVertex3f(-mgrow, -mgrow, mgrow);
glVertex3f( mgrow, -mgrow, mgrow);
glVertex3f( mgrow, mgrow, mgrow);
glVertex3f(-mgrow, mgrow, mgrow);
// This is the back
glColor3f(1, 0, 0);
glNormal3f(0, 0, -1);
glVertex3f(-mgrow, -mgrow, -mgrow);
glVertex3f( mgrow, -mgrow, -mgrow);
glVertex3f( mgrow, mgrow, -mgrow);
glVertex3f(-mgrow, mgrow, -mgrow);
// This is the top
glColor3f(0, 1, 0);
glNormal3f(0, 1, 0);
glVertex3f(-mgrow, mgrow, -mgrow);
glVertex3f( mgrow, mgrow, -mgrow);
glVertex3f( mgrow, mgrow, mgrow);
glVertex3f(-mgrow, mgrow, mgrow);
// This is the bottom
glColor3f(0, 1, 0);
glNormal3f(0, -1, 0);
glVertex3f(-mgrow, -mgrow, -mgrow);
glVertex3f( mgrow, -mgrow, -mgrow);
glVertex3f( mgrow, -mgrow, mgrow);
glVertex3f(-mgrow, -mgrow, mgrow);
// This is the left
glColor3f(0, 0, 1);
glNormal3f(-1 , 0, 0);
glVertex3f(-mgrow, -mgrow, -mgrow);
glVertex3f(-mgrow, mgrow, -mgrow);
glVertex3f(-mgrow, mgrow, mgrow);
glVertex3f(-mgrow, -mgrow, mgrow);
// This is the right
glColor3f(0, 0, 1);
glNormal3f(1 , 0, 0);
glVertex3f(mgrow, -mgrow, -mgrow);
glVertex3f(mgrow, mgrow, -mgrow);
glVertex3f(mgrow, mgrow, mgrow);
glVertex3f(mgrow, -mgrow, mgrow);
glEnd();
glPopMatrix();
// Handle the growing and slinking aspect
if(growing)
{
if(mgrow > 4)
{
growing = false;
mgrow -= 0.005;
}
else{
mgrow += 0.005;
}
}
else
{
if(mgrow <0.1)
{
growing = true;
mgrow += 0.005;
}
else{
mgrow -= 0.005;
}
}
glutSwapBuffers();
}
void Device::draw_pixels(device_memory& rgba, int y, int w, int h, int dy, int width, int height, bool transparent,
const DeviceDrawParams &draw_params)
{
pixels_copy_from(rgba, y, w, h);
if(transparent) {
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
glColor3f(1.0f, 1.0f, 1.0f);
if(rgba.data_type == TYPE_HALF) {
/* for multi devices, this assumes the inefficient method that we allocate
* all pixels on the device even though we only render to a subset */
GLhalf *data_pointer = (GLhalf*)rgba.data_pointer;
data_pointer += 4*y*w;
/* draw half float texture, GLSL shader for display transform assumed to be bound */
GLuint texid;
glGenTextures(1, &texid);
glBindTexture(GL_TEXTURE_2D, texid);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, w, h, 0, GL_RGBA, GL_HALF_FLOAT, data_pointer);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glEnable(GL_TEXTURE_2D);
if(draw_params.bind_display_space_shader_cb) {
draw_params.bind_display_space_shader_cb();
}
glPushMatrix();
glTranslatef(0.0f, (float)dy, 0.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f((float)width, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex2f((float)width, (float)height);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(0.0f, (float)height);
glEnd();
glPopMatrix();
if(draw_params.unbind_display_space_shader_cb) {
draw_params.unbind_display_space_shader_cb();
}
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
glDeleteTextures(1, &texid);
}
else {
/* fallback for old graphics cards that don't support GLSL, half float,
* and non-power-of-two textures */
glPixelZoom((float)width/(float)w, (float)height/(float)h);
glRasterPos2f(0, dy);
uint8_t *pixels = (uint8_t*)rgba.data_pointer;
pixels += 4*y*w;
glDrawPixels(w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
glRasterPos2f(0.0f, 0.0f);
glPixelZoom(1.0f, 1.0f);
}
if(transparent)
glDisable(GL_BLEND);
}
void glaDrawPixelsSafe(float x, float y, int img_w, int img_h, int row_w, int format, int type, void *rect)
{
float xzoom = glaGetOneFloat(GL_ZOOM_X);
float yzoom = glaGetOneFloat(GL_ZOOM_Y);
/* The pixel space coordinate of the intersection of
* the [zoomed] image with the origin.
*/
float ix = -x / xzoom;
float iy = -y / yzoom;
/* The maximum pixel amounts the image can be cropped
* at the lower left without exceeding the origin.
*/
int off_x = floor(max_ff(ix, 0.0f));
int off_y = floor(max_ff(iy, 0.0f));
/* The zoomed space coordinate of the raster position
* (starting at the lower left most unclipped pixel).
*/
float rast_x = x + off_x * xzoom;
float rast_y = y + off_y * yzoom;
GLfloat scissor[4];
int draw_w, draw_h;
/* Determine the smallest number of pixels we need to draw
* before the image would go off the upper right corner.
*
* It may seem this is just an optimization but some graphics
* cards (ATI) freak out if there is a large zoom factor and
* a large number of pixels off the screen (probably at some
* level the number of image pixels to draw is getting multiplied
* by the zoom and then clamped). Making sure we draw the
* fewest pixels possible keeps everyone mostly happy (still
* fails if we zoom in on one really huge pixel so that it
* covers the entire screen).
*/
glGetFloatv(GL_SCISSOR_BOX, scissor);
draw_w = min_ii(img_w - off_x, ceil((scissor[2] - rast_x) / xzoom));
draw_h = min_ii(img_h - off_y, ceil((scissor[3] - rast_y) / yzoom));
if (draw_w > 0 && draw_h > 0) {
int old_row_length = glaGetOneInteger(GL_UNPACK_ROW_LENGTH);
/* Don't use safe RasterPos (slower) if we can avoid it. */
if (rast_x >= 0 && rast_y >= 0) {
glRasterPos2f(rast_x, rast_y);
}
else {
glaRasterPosSafe2f(rast_x, rast_y, 0, 0);
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, row_w);
if (format == GL_LUMINANCE || format == GL_RED) {
if (type == GL_FLOAT) {
float *f_rect = (float *)rect;
glDrawPixels(draw_w, draw_h, format, type, f_rect + (off_y * row_w + off_x));
}
else if (type == GL_INT || type == GL_UNSIGNED_INT) {
int *i_rect = (int *)rect;
glDrawPixels(draw_w, draw_h, format, type, i_rect + (off_y * row_w + off_x));
}
}
else { /* RGBA */
if (type == GL_FLOAT) {
float *f_rect = (float *)rect;
glDrawPixels(draw_w, draw_h, format, type, f_rect + (off_y * row_w + off_x) * 4);
}
else if (type == GL_UNSIGNED_BYTE) {
unsigned char *uc_rect = (unsigned char *) rect;
glDrawPixels(draw_w, draw_h, format, type, uc_rect + (off_y * row_w + off_x) * 4);
}
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, old_row_length);
}
}
void Painter::print_str(const char* s, float x, float y) {
glRasterPos2f(x, y);
glutBitmapString(GLUT_BITMAP_HELVETICA_10, reinterpret_cast<const unsigned char*>(s));
}
///Much like Nehe's glPrint function, but modified to work
///with freetype fonts.
float Text(const Font &ft_font, GLfloat x, GLfloat y, GLfloat angle, GLfloat scaleX, GLfloat scaleY, GLfloat scaleZ, GLfloat r, GLfloat g, GLfloat b, const char *fmt, ...) {
// MODIF: I added these lines to allow rotating, scaling and coloring the font
// in the same function.
gp2d::EnableTexturing();
glColor3f(r,g,b);
glPushMatrix();
glLoadIdentity();
glRotatef(angle,0,0,1);
glScalef(scaleX, scaleY, scaleZ);
// We want a coordinate system where things coresponding to window pixels.
// pushScreenCoordinateMatrix();
GLuint font=ft_font.list_base;
float h=ft_font.h/.63f; //We make the height about 1.5* that of
float len;
char text[256]; // Holds Our String
va_list ap; // Pointer To List Of Arguments
if (fmt == NULL) // If There's No Text
*text=0; // Do Nothing
else {
va_start(ap, fmt); // Parses The String For Variables
vsprintf(text, fmt, ap); // And Converts Symbols To Actual Numbers
va_end(ap); // Results Are Stored In Text
}
//Here is some code to split the text that we have been
//given into a set of lines.
//This could be made much neater by using
//a regular expression library such as the one avliable from
//boost.org (I've only done it out by hand to avoid complicating
//this tutorial with unnecessary library dependencies).
const char *start_line=text;
vector<string> lines;
const char * c = text;
//for(const char *c=text;*c;c++) {
for(;*c;c++) {
if(*c=='\n') {
string line;
for(const char *n=start_line;n<c;n++) line.append(1,*n);
lines.push_back(line);
start_line=c+1;
}
}
if(start_line) {
string line;
for(const char *n=start_line;n<c;n++) line.append(1,*n);
lines.push_back(line);
}
glPushAttrib(GL_LIST_BIT | GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TRANSFORM_BIT);
glMatrixMode(GL_MODELVIEW);
glDisable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glListBase(font);
float modelview_matrix[16];
glGetFloatv(GL_MODELVIEW_MATRIX, modelview_matrix);
//This is where the text display actually happens.
//For each line of text we reset the modelview matrix
//so that the line's text will start in the correct position.
//Notice that we need to reset the matrix, rather than just translating
//down by h. This is because when each character is
//draw it modifies the current matrix so that the next character
//will be drawn immediatly after it.
for(unsigned int i=0;i<lines.size();i++) {
glPushMatrix();
glLoadIdentity();
glTranslatef(x,y-h*i,0);
glRotatef(180,1,0,0);
glMultMatrixf(modelview_matrix);
// The commented out raster position stuff can be useful if you need to
// know the length of the text that you are creating.
// If you decide to use it make sure to also uncomment the glBitmap command
// in make_dlist().
glRasterPos2f(0,0);
glCallLists(lines[i].length(), GL_UNSIGNED_BYTE, lines[i].c_str());
float rpos[4];
glGetFloatv(GL_CURRENT_RASTER_POSITION ,rpos);
len=x-rpos[0];
glPopMatrix();
}
glPopAttrib();
// MODIF: I commented this line as it had problems with the way GP2D uses the matrices.
// pop_projection_matrix();
glPopMatrix();
return len;
}
int gomp_PlotClusterMatrix(int num1, int num2,
float min1, float min2,float min3,float min4,
float max1, float max2,float max3,float max4,
float rest)
/***********************************************************************/
{
static float vec[2],dist,st;
static char text[BUFF_LEN];
static int i,j,k;
static int mm;
static const float *ClusterArray;
static char PropertyFont[] = "*";
if(!gomp_GetClusterStatus()) {
(void)gomp_PrintERROR("No cluster data available for plotting");
(void)gomp_SetDisplayCLUSTERmatrix(CLUSTER_OFF);
return(1);
}
ClusterArray = gomp_GetClusterData();
/* Plot the distance matrix */
glGetIntegerv(GL_MATRIX_MODE, &mm);
glMatrixMode(GL_PROJECTION);
glDisable(GL_LIGHTING);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(1, num1, 1, num2 );
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glMatrixMode(mm);
st=0.5;
for(i =0 ; i < num1 - 1 ; i++) {
for(j=i+1 ; j < num2 ; j++) {
dist = ClusterArray[i + j * (j - 1) / 2];
glColor3fv(gomp_WHITEv);
if(dist > min1 && dist < max1 ) glColor3fv(gomp_GREENv);
if(dist >= min2 && dist < max2) glColor3fv(gomp_BLUEv);
if(dist >= min3 && dist < max3) glColor3fv(gomp_REDv);
if(dist >= min4 && dist < max4) glColor3fv(gomp_YELLOWv);
if(dist >= rest ) glColor3fv(gomp_CYANv);
glBegin(GL_QUADS);
vec[0]=(float)(i);
vec[1]=(float)(j);
glVertex2fv(vec);
vec[0]=(float)(i+1);
vec[1]=(float)(j );
glVertex2fv(vec);
vec[0]=(float)(i+1);
vec[1]=(float)(j+1);
glVertex2fv(vec);
vec[0]=(float)(i );
vec[1]=(float)(j+1);
glVertex2fv(vec);
glEnd();
}
}
glColor3fv(gomp_BLACKv);
k=num1/50;
if( k > 0) {
for(i=1 ; i <= k ; i++) {
j=50*i;
glBegin(GL_LINES);
glVertex2i(j, 1);
glVertex2i(j, num1);
glEnd();
}
}
k=num2/50;
if( k > 0) {
for(i=1 ; i <= k ; i++) {
j=50*i;
glBegin(GL_LINES);
glVertex2i(1, j);
glVertex2i(num2, j);
glEnd();
}
}
glColor3fv(gomp_WHITEv);
glRasterPos2f(num1/2.1, 4.0*num2/10.);
sprintf(text," RMSD < %4.2f WHITE",min1);
gomp_PrintString(text , PropertyFont);
/* OGLXXX charstr: check list numbering */
glColor3fv(gomp_GREENv);
glRasterPos2f(num1/2.1, 3.5*num2/10.);
sprintf(text," %4.2f < RMSD < %4.2f GREEN",min1,max1);
gomp_PrintString(text , PropertyFont);
/* OGLXXX charstr: check list numbering */
glColor3fv(gomp_BLUEv);
glRasterPos2f(num1/2.1, 3.0*num2/10.);
sprintf(text," %4.2f < RMSD < %4.2f BLUE ",min2,max2);
gomp_PrintString(text , PropertyFont);
/* OGLXXX charstr: check list numbering */
glColor3fv(gomp_REDv);
glRasterPos2f(num1/2.1, 2.5*num2/10.);
sprintf(text," %4.2f < RMSD < %4.2f RED ",min3,max3);
gomp_PrintString(text , PropertyFont);
/* OGLXXX charstr: check list numbering */
glColor3fv(gomp_YELLOWv);
glRasterPos2f(num1/2.1, 2.0*num2/10.);
sprintf(text," %4.2f < RMSD < %4.2f YELLOW",min4,max4);
gomp_PrintString(text , PropertyFont);
/* OGLXXX charstr: check list numbering */
glColor3fv(gomp_CYANv);
glRasterPos2f(num1/2.1, 1.5*num2/10.);
sprintf(text," %4.2f < RMSD CYAN",rest);
gomp_PrintString(text , PropertyFont);
glGetIntegerv(GL_MATRIX_MODE, &mm);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(mm);
glEnable(GL_LIGHTING);
return(0);
}
void PhysicsInformation::render(int window_w, int window_h)
{
if (m_hidden) return;
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
// Calculate size of 1 pixel
float ps_w = 2. / window_w; // pixelsize x-direction
float ps_h = 2. / window_h; // pixelsize y-direction
// Timelapse
std::ostringstream conversion_tl;
conversion_tl<<game->getGameSpeed();
std::string gamespeed_str = conversion_tl.str();
std::string timelapse_text = "Timelapse: " + gamespeed_str + "x";
glRasterPos2f(-1 + 5 * ps_w, 1 - 23 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (unsigned char *)timelapse_text.c_str());
// Camera type
std::string camtype;
switch (game->getSpaceship()->getCamBind())
{
case CAMERA_BOUND:
camtype = "bound";
break;
case CAMERA_RELATIVE_ROT:
camtype = "relative with rotation";
break;
case CAMERA_RELATIVE:
camtype = "relative";
break;
case CAMERA_FREE:
camtype = "free";
break;
}
std::string camtype_text = "Camera: " + camtype;
glRasterPos2f(-1 + 5 * ps_w, 1 - 46 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (unsigned char *)camtype_text.c_str());
// Ship Speed
float shipvel = getVectorLength(game->getSpaceship()->getVelocity()) / USC;
std::string speedtext = "Speed: " + std::to_string(shipvel) + " km/s";
glRasterPos2f(-1 + 5 * ps_w, 1 - 69 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (unsigned char *)speedtext.c_str());
if (shipvel > SPEED_OF_LIGHT)
{
glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
glRasterPos2f(1 - 150 * ps_w, 1 - 23 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (unsigned char *)"SPEED OF LIGHT!");
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
}
// Gravity Acceleration
SimpleVec3d gravacc_v = game->getSpaceship()->getGravityAcc();
float gravacc = getVectorLength(gravacc_v) * 1000 / USC; // / 1000 for km/s² to m/s²
std::string gravacc_text = "Acceleration: " + std::to_string(gravacc) + " m/s ";
gravacc_text.push_back(0xB2); // ² character
glRasterPos2f(-1 + 5 * ps_w, 1 - 92 * ps_h);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, (unsigned char *)gravacc_text.c_str());
}
static void icon_draw_rect(float x, float y, int w, int h, float UNUSED(aspect), int rw, int rh,
unsigned int *rect, float alpha, const float rgb[3], const bool is_preview)
{
ImBuf *ima = NULL;
int draw_w = w;
int draw_h = h;
int draw_x = x;
int draw_y = y;
/* sanity check */
if (w <= 0 || h <= 0 || w > 2000 || h > 2000) {
printf("%s: icons are %i x %i pixels?\n", __func__, w, h);
BLI_assert(!"invalid icon size");
return;
}
/* modulate color */
if (alpha != 1.0f)
glPixelTransferf(GL_ALPHA_SCALE, alpha);
if (rgb) {
glPixelTransferf(GL_RED_SCALE, rgb[0]);
glPixelTransferf(GL_GREEN_SCALE, rgb[1]);
glPixelTransferf(GL_BLUE_SCALE, rgb[2]);
}
/* rect contains image in 'rendersize', we only scale if needed */
if (rw != w || rh != h) {
/* preserve aspect ratio and center */
if (rw > rh) {
draw_w = w;
draw_h = (int)(((float)rh / (float)rw) * (float)w);
draw_y += (h - draw_h) / 2;
}
else if (rw < rh) {
draw_w = (int)(((float)rw / (float)rh) * (float)h);
draw_h = h;
draw_x += (w - draw_w) / 2;
}
/* if the image is squared, the draw_ initialization values are good */
/* first allocate imbuf for scaling and copy preview into it */
ima = IMB_allocImBuf(rw, rh, 32, IB_rect);
memcpy(ima->rect, rect, rw * rh * sizeof(unsigned int));
IMB_scaleImBuf(ima, draw_w, draw_h); /* scale it */
rect = ima->rect;
}
/* draw */
if (is_preview) {
glaDrawPixelsSafe(draw_x, draw_y, draw_w, draw_h, draw_w, GL_RGBA, GL_UNSIGNED_BYTE, rect);
}
else {
int bound_options;
GPU_BASIC_SHADER_DISABLE_AND_STORE(bound_options);
glRasterPos2f(draw_x, draw_y);
glDrawPixels(draw_w, draw_h, GL_RGBA, GL_UNSIGNED_BYTE, rect);
GPU_BASIC_SHADER_ENABLE_AND_RESTORE(bound_options);
}
if (ima)
IMB_freeImBuf(ima);
/* restore color */
if (alpha != 0.0f)
glPixelTransferf(GL_ALPHA_SCALE, 1.0f);
if (rgb) {
glPixelTransferf(GL_RED_SCALE, 1.0f);
glPixelTransferf(GL_GREEN_SCALE, 1.0f);
glPixelTransferf(GL_BLUE_SCALE, 1.0f);
}
}
/*
==============
XY_DrawGrid
==============
*/
void XY_DrawGrid (void)
{
float x, y, xb, xe, yb, ye;
int w, h;
char text[32];
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE_1D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
w = g_qeglobals.d_xy.width/2 / g_qeglobals.d_xy.scale;
h = g_qeglobals.d_xy.height/2 / g_qeglobals.d_xy.scale;
xb = g_qeglobals.d_xy.origin[0] - w;
if (xb < region_mins[0])
xb = region_mins[0];
xb = 64 * floor (xb/64);
xe = g_qeglobals.d_xy.origin[0] + w;
if (xe > region_maxs[0])
xe = region_maxs[0];
xe = 64 * ceil (xe/64);
yb = g_qeglobals.d_xy.origin[1] - h;
if (yb < region_mins[1])
yb = region_mins[1];
yb = 64 * floor (yb/64);
ye = g_qeglobals.d_xy.origin[1] + h;
if (ye > region_maxs[1])
ye = region_maxs[1];
ye = 64 * ceil (ye/64);
// draw major blocks
glColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_GRIDMAJOR]);
if ( g_qeglobals.d_showgrid )
{
glBegin (GL_LINES);
for (x=xb ; x<=xe ; x+=64)
{
glVertex2f (x, yb);
glVertex2f (x, ye);
}
for (y=yb ; y<=ye ; y+=64)
{
glVertex2f (xb, y);
glVertex2f (xe, y);
}
glEnd ();
}
// draw minor blocks
if ( g_qeglobals.d_showgrid && g_qeglobals.d_gridsize*g_qeglobals.d_xy.scale >= 4)
{
glColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_GRIDMINOR]);
glBegin (GL_LINES);
for (x=xb ; x<xe ; x += g_qeglobals.d_gridsize)
{
if ( ! ((int)x & 63) )
continue;
glVertex2f (x, yb);
glVertex2f (x, ye);
}
for (y=yb ; y<ye ; y+=g_qeglobals.d_gridsize)
{
if ( ! ((int)y & 63) )
continue;
glVertex2f (xb, y);
glVertex2f (xe, y);
}
glEnd ();
}
// draw coordinate text if needed
if ( g_qeglobals.d_savedinfo.show_coordinates)
{
glColor4f(0, 0, 0, 0);
for (x=xb ; x<xe ; x+=64)
{
glRasterPos2f (x, g_qeglobals.d_xy.origin[1] + h - 6/g_qeglobals.d_xy.scale);
sprintf (text, "%i",(int)x);
glCallLists (strlen(text), GL_UNSIGNED_BYTE, text);
}
for (y=yb ; y<ye ; y+=64)
{
glRasterPos2f (g_qeglobals.d_xy.origin[0] - w + 1, y);
sprintf (text, "%i",(int)y);
glCallLists (strlen(text), GL_UNSIGNED_BYTE, text);
}
}
}
void DrawGLScene ()
{
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity ();
glTranslatef (0.0f, 0.5f, -3.0f);
float pos [4] = {0.0f, -1.0f, -1.0f, 0.0f};
glLightfv (GL_LIGHT0, GL_POSITION, pos);
if (!changeToViewPointB) ChangeView (&viewPointA, &viewPointB, 0.001f);
glTranslatef (0.0f, 0.0f, viewPointA.zoomZ);
glRotatef (viewPointA.angleX, 1.0f, 0.0f, 0.0f);
glRotatef (viewPointA.angleY, 0.0f, 1.0f, 0.0f);
glRotatef (viewPointA.angleZ, 0.0f, 0.0f, 1.0f);
glEnable (GL_NORMALIZE);
glEnable (GL_LIGHTING);
glEnable (GL_TEXTURE_2D);
glEnable (GL_CULL_FACE);
glCullFace (GL_FRONT);
glEnable (GL_DEPTH_TEST);
glDisable (GL_TEXTURE_GEN_S);
glDisable (GL_TEXTURE_GEN_T);
glDisable (GL_BLEND);
glBindTexture(GL_TEXTURE_2D, Texture [0]);
glBegin(GL_QUADS);
// Back Face
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.7f); // Bottom Right Of The Texture and Quad
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.7f); // Top Right Of The Texture and Quad
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.7f); // Top Left Of The Texture and Quad
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.7f); // Bottom Left Of The Texture and Quad
// Top Face
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.7f); // Top Left Of The Texture and Quad
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 0.3f); // Bottom Left Of The Texture and Quad
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 0.3f); // Bottom Right Of The Texture and Quad
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.7f); // Top Right Of The Texture and Quad
// Bottom Face
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.7f); // Top Right Of The Texture and Quad
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.7f); // Top Left Of The Texture and Quad
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 0.3f); // Bottom Left Of The Texture and Quad
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 0.3f); // Bottom Right Of The Texture and Quad
// Right face
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.7f); // Bottom Right Of The Texture and Quad
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.7f); // Top Right Of The Texture and Quad
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 0.3f); // Top Left Of The Texture and Quad
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 0.3f); // Bottom Left Of The Texture and Quad
// Left Face
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.7f); // Bottom Left Of The Texture and Quad
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 0.3f); // Bottom Right Of The Texture and Quad
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 0.3f); // Top Right Of The Texture and Quad
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.7f); // Top Left Of The Texture and Quad
glEnd ();
glDisable (GL_TEXTURE_2D);
glDisable (GL_NORMALIZE);
glDisable (GL_LIGHTING);
glDisable (GL_TEXTURE_GEN_S);
glDisable (GL_TEXTURE_GEN_T);
glDisable (GL_DEPTH_TEST);
glEnable (GL_CULL_FACE);
glCullFace (GL_BACK);
glEnable (GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
float alpha = 0.5f;
glBegin (GL_QUADS);
// Back Face
glColor4f(0.3f, 0.3f, 1.0f, alpha);
glVertex3f(-1.0f, -1.0f, -1.7f);
glVertex3f(-1.0f, 1.0f, -1.7f);
glVertex3f( 1.0f, 1.0f, -1.7f);
glVertex3f( 1.0f, -1.0f, -1.7f);
// Top Face
glColor4f(0.3f, 0.3f, 1.0f, alpha);
glVertex3f(-1.0f, 1.0f, -1.7f);
glVertex3f(-1.0f, 1.0f, 0.0f);
glVertex3f( 1.0f, 1.0f, 0.0f);
glVertex3f( 1.0f, 1.0f, -1.7f);
// Bottom Face
glColor4f(0.3f, 0.3f, 1.0f, alpha);
glVertex3f(-1.0f, -1.0f, -1.7f);
glVertex3f( 1.0f, -1.0f, -1.7f);
glVertex3f( 1.0f, -1.0f, 0.0f);
glVertex3f(-1.0f, -1.0f, 0.0f);
// Right face
glColor4f(0.3f, 0.3f, 1.0f, alpha);
glVertex3f( 1.0f, -1.0f, -1.7f);
glVertex3f( 1.0f, 1.0f, -1.7f);
glVertex3f( 1.0f, 1.0f, 0.0f);
glVertex3f( 1.0f, -1.0f, 0.0f);
// Left Face
glColor4f(0.3f, 0.3f, 1.0f, alpha);
glVertex3f(-1.0f, -1.0f, -1.7f);
glVertex3f(-1.0f, -1.0f, 0.0f);
glVertex3f(-1.0f, 1.0f, 0.0f);
glVertex3f(-1.0f, 1.0f, -1.7f);
glEnd ();
DrawNextTimeLayer ();
glDisable (GL_TEXTURE_2D);
glDisable (GL_LIGHTING);
glDisable (GL_DEPTH_TEST);
glLoadIdentity ();
glTranslatef (0.0f, 0.0f, -3.0f);
glColor3f (1.0f, 1.0f, 1.0f);
glRasterPos2f (-2.2f, 1.15f);
if (ShowInfo) Print ("PRESS [I] TO SHOW INFO");
else Print ("PRESS [I] TO HIDE INFO");
if (ShowInfo)
{
glDisable (GL_TEXTURE_2D);
glDisable (GL_LIGHTING);
glDisable (GL_DEPTH_TEST);
glLoadIdentity ();
glTranslatef (0.0f, 0.0f, -3.0f);
glColor3f (1.0f, 1.0f, 1.0f);
glRasterPos2f (-2.2f, 0.95f);
if (!Pause) Print ("[SIMULATION]");
else Print ("[PAUSE]");
glRasterPos2f (-2.2f, 0.85f);
Print ("Fluid surface");
glRasterPos2f (-2.2f, 0.75f);
Print ("deformation coefficient: %2.1f", CurrentWaveAmplitudeMode);
glRasterPos2f (-2.2f, 0.65f);
Print ("One drop in %2.1f seconds", CurrentWaveFrequencyMode * 2.0f);
glRasterPos2f (-2.2f, 0.55f);
Print ("Viscosity: %0.5f", VIS);
glRasterPos2f (-2.2f, 0.45f);
Print ("Wave propogation speed: %0.3f", ALPHA);
glRasterPos2f (-2.2f, 0.25f);
Print ("[p] - wave propogation speed");
glRasterPos2f (-2.2f, 0.15f);
Print ("[t] - frequency [v] - viscosity");
glRasterPos2f (-2.2f, 0.05f);
Print ("[h] - amplitude");
glRasterPos2f (-2.2f, -0.15f);
Print ("Press [key] to decrease value");
glRasterPos2f (-2.2f, -0.25f);
Print ("Press [shift] + [key] to increase value");
glRasterPos2f (-2.2f, -0.45f);
Print ("Press [q][w][e][a][s][d] to rotate the pool");
glRasterPos2f (-2.2f, -0.55f);
Print ("Press [-][=] to zoom in/out the pool");
glRasterPos2f (-2.2f, -0.75f);
Print ("Press [spacebar] to stop time");
glRasterPos2f (-2.2f, -0.85f);
Print ("Hold [spacebar] to calm fluid surface");
glRasterPos2f (-2.2f, -0.95f);
Print ("Press [r] to reset settings");
glRasterPos2f (0.4f, 1.15f);
Print ("Maximal height: %4.4f", MaxHeight);
glRasterPos2f (0.4f, 1.05f);
Print ("Average velocity: %1.7f", VelocitySum / (SIZE_X * SIZE_Y));
}
glutSwapBuffers ();
}
/*
==============
XY_Overlay
==============
*/
void XY_Overlay (void)
{
int w, h;
int r[4];
static vec3_t lastz;
static vec3_t lastcamera;
glViewport(0, 0, g_qeglobals.d_xy.width, g_qeglobals.d_xy.height);
//
// set up viewpoint
//
glMatrixMode(GL_PROJECTION);
glLoadIdentity ();
w = g_qeglobals.d_xy.width/2 / g_qeglobals.d_xy.scale;
h = g_qeglobals.d_xy.height/2 / g_qeglobals.d_xy.scale;
glOrtho (g_qeglobals.d_xy.origin[0] - w, g_qeglobals.d_xy.origin[0] + w
, g_qeglobals.d_xy.origin[1] - h, g_qeglobals.d_xy.origin[1] + h, -8000, 8000);
//
// erase the old camera and z checker positions
// if the entire xy hasn't been redrawn
//
if (g_qeglobals.d_xy.d_dirty)
{
glReadBuffer (GL_BACK);
glDrawBuffer (GL_FRONT);
glRasterPos2f (lastz[0]-9, lastz[1]-9);
glGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
glCopyPixels(r[0], r[1], 18,18, GL_COLOR);
glRasterPos2f (lastcamera[0]-50, lastcamera[1]-50);
glGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
glCopyPixels(r[0], r[1], 100,100, GL_COLOR);
}
g_qeglobals.d_xy.d_dirty = true;
//
// save off underneath where we are about to draw
//
VectorCopy (z.origin, lastz);
VectorCopy (camera.origin, lastcamera);
glReadBuffer (GL_FRONT);
glDrawBuffer (GL_BACK);
glRasterPos2f (lastz[0]-9, lastz[1]-9);
glGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
glCopyPixels(r[0], r[1], 18,18, GL_COLOR);
glRasterPos2f (lastcamera[0]-50, lastcamera[1]-50);
glGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
glCopyPixels(r[0], r[1], 100,100, GL_COLOR);
//
// draw the new icons
//
glDrawBuffer (GL_FRONT);
glShadeModel (GL_FLAT);
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE_1D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glColor3f(0, 0, 0);
DrawCameraIcon ();
DrawZIcon ();
glDrawBuffer (GL_BACK);
glFinish();
}
template< > inline void glRasterPos2< float > ( float x,float y ) { glRasterPos2f(x,y); };
int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing
{
if(msec < 1.0f)
accumulator += msec;
else
accumulator += dt;
while(accumulator >= dt)
{
//for (int i = 0; i < 5; i++)
mWorld->update(dt);
accumulator -= dt;
}
if (mouseD == true)
{
if (dragBody != NULL)
{
PointMass *pm = dragBody->getPointMass(dragPoint);
dragBody->setDragForce(VectorTools::calculateSpringForce(pm->Position, pm->Velocity, Vector2(dragX,dragY), Vector2::ZERO, 0.0f, 100.0f, 10.0f), dragPoint);
}
}
else
{
dragBody = NULL;
dragPoint = -1;
}
if(mouseD == true)
{
if(dragBody == NULL)
{
int body;
mWorld->getClosestPointMass(Vector2(dragX,dragY), body, dragPoint);
if(mWorld->getBody(body)->Type == 2)
dragBody = (SpringBody*)mWorld->getBody(body);
}
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
glLoadIdentity();
//draw text
glColor3f(0,0,0);
glRasterPos2f(-24,23);
glPrint("FPS: %4d AVG: %3.1f MS: %3f\n", fps, average, msec);
bod->DrawMe();
for(unsigned int i = 0;i < pressureBodies.size();i++)
pressureBodies[i]->DrawMe();
for(unsigned int i = 0;i < springBodies.size();i++)
springBodies[i]->DrawMe();
for(unsigned int i = 0;i < fallingBodies.size();i++)
fallingBodies[i]->DrawMe();
//draw line from body to cursor
if(dragBody != NULL)
{
Renderer::RenderLine(dragBody->getPointMass(dragPoint)->Position,Vector2(dragX,dragY),0,0,1);
}
return TRUE; // Keep Going
}
static void display(void) {
glClear(GL_COLOR_BUFFER_BIT);
glEnable (GL_LINE_SMOOTH);
glEnable (GL_BLEND);
glEnable (GL_POLYGON_SMOOTH);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
glColor3f(0.6,0.3,0.0);
rectangle(GL_QUADS);
glColor3f(1.0,1.0,1.0);
glEnable(GL_LINE_STIPPLE);
glLineStipple(1, 0xF0F0);
glLineWidth(3.0f);
glBegin(GL_LINE_LOOP);
glVertex2f(-1,-0.7);
glVertex2f(1,-0.7);
glVertex2f(1,-0.1);
glVertex2f(-1,-0.1);
glEnd();
glColor3f(1.0,1.0,1.0);
glPushMatrix();
glTranslatef(-.65,-.15,0);
glColor3f(0.2,1.0,.2);
triangle();
glPopMatrix();
glPushMatrix();
glTranslatef(-.65,.95,0);
glColor3f(0.0,0.0,0.0);
triangle();
glPopMatrix();
glPushMatrix();
glColor3f(0.0,0.0,0.0);
glTranslatef(0.0,.78,0.0);
drawCircle(0.18f);
glPopMatrix();
glPushMatrix();
glColor3f(1.0,0.0,0.0);
glTranslatef(0.0,-0.3,0.0);
drawCircle(0.18f);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0,-0.05,0.0);
glScalef(0.08,0.007,0.08);
//glPointSize(0.5f);
glBegin(GL_POINTS);
for (float i=-19.0f; i < 109.5f; i += .5f) {
glColor3f(0,i*.1,i*-.1);
glVertex2f(i,sin(i)*3);
}
glEnd();
glPopMatrix();
glPushMatrix();
char* string = "Brian Gianforcaro - RIT 2008/2009";
int len = (int) strlen(string);
glColor3f(1.0,1.0,1.0);
glRasterPos2f(-0.4,1.05);
for (int i = 0; i < len; i++) {
glutBitmapCharacter(GLUT_BITMAP_TIMES_ROMAN_10, string[i]);
}
glPopMatrix();
glPushMatrix();
glTranslatef(0.45,-.54,0);
glEnable(GL_POLYGON_STIPPLE);
glPolygonStipple(stippleBits);
glBegin(GL_POLYGON);
glColor3f(1.0,0,0);
glVertex2f(0,0);
glColor3f(0,1.0,0);
glVertex2f(.4,0);
glColor3f(0,0,1.0);
glVertex2f(.4,.4);
glColor3f(1.0,1.0,1.0);
glVertex2f(0,.4);
glEnd();
glPopMatrix();
glDisable(GL_POLYGON_STIPPLE);
glColor3f(0,0,0);
glPushMatrix();
glTranslatef(0.45,.56,0);
glBegin(GL_POLYGON);
glVertex2f(0,0);
glVertex2f(.4,0);
glVertex2f(.4,.4);
glVertex2f(0,.4);
glEnd();
glPopMatrix();
glColor3f(1,1,1);
glDisable(GL_LINE_STIPPLE);
glPushMatrix();
glTranslatef(-1,-1.1,0);
glBegin(GL_LINES);
for (float i = 0; i < 2.1; i+=.1f) {
glVertex2f(i, 0);
glVertex2f(i, .3);
}
for (float i = 0; i < .35; i+=.05f) {
glVertex2f(0, i);
glVertex2f(2, i);
}
glEnd();
glPopMatrix();
glFlush();
}
/** 在指定位置输出字符串 */
void GLFont::PrintText(char *string, float x, float y)
{
HBITMAP hBitmap,hOldBmp; /**< 定义两个位图句柄 */
BITMAP bm; /**< 位图结构变量 */
SIZE size; /**< 位图尺寸 */
GLboolean lp,tp;
HDC hDC = ::CreateCompatibleDC(0); /**< 暂存设备场景 */
glGetBooleanv(GL_LIGHTING,&lp); /**< 查看场景中是否有光照 */
glGetBooleanv(GL_TEXTURE_2D,&tp);/**< 查看场景中是否启用纹理 */
/** 保存和设置一些属性 */
glLoadIdentity();
glPushMatrix();
glTranslatef(0,0,-10.0f);
glDisable(GL_LIGHTING); /**< 关闭光照 */
glDisable(GL_TEXTURE_2D); /**< 关闭纹理 */
glDisable(GL_DEPTH_TEST); /**< 关闭深度测试 */
SelectObject(hDC, m_hFont); /**< 选择字体 */
::GetTextExtentPoint32(hDC, string, strlen(string), &size);/**< 获取字符位图大小 */
hBitmap = CreateBitmap(size.cx, size.cy,1, 1, NULL); /**< 创建与hDC相关单色位图 */
hOldBmp = (HBITMAP)SelectObject(hDC,hBitmap); /**< 选择位图 */
SetBkColor(hDC, RGB(0, 0, 0)); /**< 背景色为黑色 */
SetTextColor(hDC, RGB(255, 255, 255)); /**< 字体颜色白色 */
SetBkMode(hDC, OPAQUE); /**< 用当前的背景颜色填充背景 */
TextOut(hDC, 0, 0, string, strlen(string)); /**< 输出文字到暂存hDC */
/** 获得相关位图数据结构 */
GetObject(hBitmap, sizeof(bm), &bm);
size.cx = (bm.bmWidth + 31) & (~31); /**< 边缘对齐 */
size.cy = bm.bmHeight;
int bufsize = size.cx * size.cy/8; /**< 图形数据长度 */
/** 定义单色位图结构 */
struct {
BITMAPINFOHEADER bih;
RGBQUAD col[2];
}bic;
/** 获取单色位图结构信息 */
BITMAPINFO *binf = (BITMAPINFO *)&bic;
binf->bmiHeader.biSize = sizeof(binf->bmiHeader); /**< 修改结构信息 */
binf->bmiHeader.biWidth = bm.bmWidth;
binf->bmiHeader.biHeight = bm.bmHeight;
binf->bmiHeader.biPlanes = 1;
binf->bmiHeader.biBitCount = 1; /**< 单色 */
binf->bmiHeader.biCompression = BI_RGB; /**< 颜色方式 */
binf->bmiHeader.biSizeImage = bufsize;
binf->bmiHeader.biXPelsPerMeter = 1;
binf->bmiHeader.biYPelsPerMeter = 1;
binf->bmiHeader.biClrUsed = 0;
binf->bmiHeader.biClrImportant = 0;
/** 定义图形数据块 */
UCHAR* pBmpBits = new UCHAR[bufsize];
memset(pBmpBits, 0, sizeof(UCHAR)*bufsize);
/** 将设备无关数据保存在pBmpBits指向的数据块中 */
::GetDIBits(hDC, hBitmap, 0, bm.bmHeight, pBmpBits, binf,DIB_RGB_COLORS);
/** 显示字符串 */
glPixelStorei(GL_UNPACK_ALIGNMENT, 1); /**< 指定像素存储模式 */
glRasterPos2f(x,y); /**< 定位 */
glBitmap(size.cx, size.cy, 0.0, 0.0, 0.0, 0.0, pBmpBits); /**< 位图显示 */
delete pBmpBits; /**< 删除指针 */
SelectObject(hDC, hOldBmp); /**< 恢复原来位图信息 */
DeleteObject(hBitmap);
::DeleteDC(hDC);
/** 恢复一些属性 */
if(lp)
glEnable(GL_LIGHTING); /**< 启用光照 */
if(tp)
glEnable(GL_TEXTURE_2D); /**< 启用纹理 */
glEnable(GL_DEPTH_TEST); /**< 启用深度测试 */
glPopMatrix();
}
enum piglit_result
test_bitmap(void *null)
{
GLuint pb_unpack[1];
GLuint pb_pack[1];
int use_unpack = 1;
int use_pack = 0;
GLubyte bitmap[TEXSIZE * TEXSIZE / 8];
GLfloat buf[WINSIZE * WINSIZE * 3];
GLfloat white[3] = { 1.0, 1.0, 1.0 };
GLfloat black[3] = { 0.0, 0.0, 0.0 };
int i, j;
GLubyte *pbo_unpack_mem = NULL;
GLfloat *pbo_pack_mem = NULL;
GLfloat expected[WINSIZE * WINSIZE * 3];
float tolerance[4];
bool pass = true;
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
for (use_pack = 0; use_pack < 2; use_pack++) {
for (use_unpack = 0; use_unpack < 2;
use_unpack++) {
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
if (use_unpack) {
glGenBuffersARB(1, pb_unpack);
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
pb_unpack[0]);
glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
TEXSIZE * TEXSIZE,
NULL, GL_STREAM_DRAW);
pbo_unpack_mem = (GLubyte *) glMapBufferARB(
GL_PIXEL_UNPACK_BUFFER_ARB,
GL_WRITE_ONLY);
}
else {
pbo_unpack_mem = bitmap;
}
for (i = 0; i < TEXSIZE * TEXSIZE / 8; i++) {
pbo_unpack_mem[i] = 0xAA; /* Binary 10101010 */
}
glColor4f(1.0, 1.0, 1.0, 0.0);
glRasterPos2f(0.0, 0.0);
if (use_unpack) {
glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
/* Draw white into every other pixel,
* for a white/black checkerboard. */
glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0, NULL);
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
0);
}
else {
glBitmap(TEXSIZE, TEXSIZE, 0, 0, 0, 0,
pbo_unpack_mem);
}
if (!piglit_automatic)
piglit_present_results();
/* Check the result */
if (use_pack) {
glGenBuffersARB(1, pb_pack);
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB,
pb_pack[0]);
glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB,
WINSIZE * WINSIZE *
4 * sizeof(GLfloat), NULL,
GL_STREAM_DRAW);
glReadPixels(0, 0, WINSIZE, WINSIZE,
GL_RGB, GL_FLOAT,
NULL);
pbo_pack_mem =
(GLfloat *) glMapBufferARB(
GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY);
}
else {
pbo_pack_mem = buf;
glReadPixels(0, 0, WINSIZE, WINSIZE,
GL_RGB, GL_FLOAT, pbo_pack_mem);
}
/* Compute expected and compare it to the result. */
for (j = 0; j < WINSIZE; j++) {
for (i = 0; i < WINSIZE; i++) {
int idx = (j * WINSIZE + i) * 3;
if ((i & 1) || (i >= TEXSIZE) ||
(j >= TEXSIZE)) {
expected[idx + 0] = black[0];
expected[idx + 1] = black[1];
expected[idx + 2] = black[2];
}
else {
expected[idx + 0] = white[0];
expected[idx + 1] = white[1];
expected[idx + 2] = white[2];
}
}
}
piglit_compute_probe_tolerance(GL_RGB, &tolerance[0]);
pass &= piglit_compare_images_color(0, 0, WINSIZE,
WINSIZE, 3,
tolerance,
expected,
pbo_pack_mem);
if (use_pack) {
glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
glDeleteBuffersARB(1, pb_pack);
}
if (use_unpack) {
glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
glDeleteBuffersARB(1, pb_unpack);
}
}
}
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}