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Add GLUT_ELAPSED_TIME simulation

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This commit is contained in:
Matthias Melcher 2023-02-20 13:40:27 +01:00
parent 6f4cf105b1
commit 2971625418
2 changed files with 14 additions and 3 deletions
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4
FL/glut.H
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@ -315,12 +315,12 @@ enum {
GLUT_INIT_WINDOW_HEIGHT,
GLUT_INIT_DISPLAY_MODE,
GLUT_WINDOW_BUFFER_SIZE,
GLUT_VERSION
GLUT_VERSION,
//GLUT_WINDOW_NUM_CHILDREN,
//GLUT_WINDOW_CURSOR,
//GLUT_SCREEN_WIDTH_MM,
//GLUT_SCREEN_HEIGHT_MM,
//GLUT_ELAPSED_TIME,
GLUT_ELAPSED_TIME,
};
# define GLUT_WINDOW_STENCIL_SIZE GL_STENCIL_BITS

13
src/glut_compatibility.cxx
View File

@ -190,8 +190,14 @@ Fl_Glut_Window::Fl_Glut_Window(int X,int Y,int W,int H, const char *t) :
static int initargc;
static char **initargv;
static char glut_starttime_set = 0;
static Fl_Timestamp glut_starttime;
void glutInit(int *argc, char **argv) {
if (!glut_starttime_set) {
glut_starttime = Fl::now();
glut_starttime_set = 1;
}
initargc = *argc;
initargv = new char*[*argc+1];
int i,j;
@ -405,7 +411,12 @@ int glutGet(GLenum type) {
case GLUT_INIT_WINDOW_WIDTH: return initw;
case GLUT_INIT_WINDOW_HEIGHT: return inith;
case GLUT_INIT_DISPLAY_MODE: return glut_mode;
//case GLUT_ELAPSED_TIME:
case GLUT_ELAPSED_TIME:
if (!glut_starttime_set) {
glut_starttime = Fl::now();
glut_starttime_set = 1;
}
return (int)(Fl::seconds_since(glut_starttime)*1000.0); // milliseconds
case GLUT_WINDOW_BUFFER_SIZE:
if (glutGet(GLUT_WINDOW_RGBA))
return glutGet(GLUT_WINDOW_RED_SIZE)+