OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

press '0' for glDrawBuffer(GL_NONE)

Browse Source
This commit is contained in:
Brian Paul
2006-03-30 14:24:58 +00:00
parent 8ea3353ec3
commit 693a66aea9
1 changed files with 19 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
progs/demos/reflect.c
View File

@@ -302,11 +302,21 @@ DrawWindow(void)
GLfloat dist = 20.0;
GLfloat eyex, eyey, eyez;
glDrawBuffer(w->drawBuffer);
glReadBuffer(w->drawBuffer);
if (w->drawBuffer == GL_NONE) {
glDrawBuffer(GL_BACK);
glReadBuffer(GL_BACK);
}
else {
glDrawBuffer(w->drawBuffer);
glReadBuffer(w->drawBuffer);
}
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
if (w->drawBuffer == GL_NONE) {
glDrawBuffer(GL_NONE);
}
eyex = dist * cos(w->yrot * DEG2RAD) * cos(w->xrot * DEG2RAD);
eyez = dist * sin(w->yrot * DEG2RAD) * cos(w->xrot * DEG2RAD);
eyey = dist * sin(w->xrot * DEG2RAD);
@@ -376,10 +386,10 @@ DrawWindow(void)
ShowAlphaBuffer(w->width, w->height);
}
if (w->drawBuffer == GL_BACK)
glutSwapBuffers();
else
if (w->drawBuffer == GL_FRONT)
glFinish();
else
glutSwapBuffers();
/* calc/show frame rate */
{
@@ -460,6 +470,10 @@ Key(unsigned char key, int x, int y)
w->drawBuffer = GL_FRONT;
glutPostRedisplay();
break;
case '0':
w->drawBuffer = GL_NONE;
glutPostRedisplay();
break;
case ' ':
w->anim = !w->anim;
w->t0 = -1;