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progs/tests: comments and clean-ups

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This commit is contained in:
Brian Paul 2010-03-18 14:53:43 -06:00
parent 22e6dc3870
commit 705ed3326c
1 changed files with 21 additions and 11 deletions
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32
progs/tests/stencil_twoside.c
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@ -85,6 +85,9 @@ static void Display( void )
/* Draw the first two squares using incr for the affected face
*/
/*************************************************************************
* 2nd square
*/
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@ -98,8 +101,8 @@ static void Display( void )
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
/* this should be front facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
/* this should be front facing */
glVertex2f(-1, -1);
glVertex2f( 1, -1);
glVertex2f( 1, 1);
@ -107,6 +110,7 @@ static void Display( void )
}
glEnd();
/* stencil vals should be equal to max_stencil */
glStencilFunc(GL_EQUAL, max_stencil, ~0);
glBegin(GL_QUADS);
glColor3f( 0.5, 0.5, 0.5 );
@ -116,6 +120,9 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
/*************************************************************************
* 3rd square
*/
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@ -129,9 +136,8 @@ static void Display( void )
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
/* this should be back facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
/* this should be back facing */
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f( 1, 1);
@ -139,6 +145,7 @@ static void Display( void )
}
glEnd();
/* stencil vals should be equal to max_stencil */
glStencilFunc(GL_EQUAL, max_stencil, ~0);
glBegin(GL_QUADS);
glColor3f( 0.5, 0.5, 0.5 );
@ -148,6 +155,9 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
/*************************************************************************
* 4th square
*/
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_NEVER, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@ -161,15 +171,13 @@ static void Display( void )
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
/* this should be back facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
/* this should be back facing */
/* this should be back facing */
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f( 1, 1);
glVertex2f( 1, -1);
/* this should be front facing */
/* this should be front facing */
glVertex2f(-1, -1);
glVertex2f( 1, -1);
glVertex2f( 1, 1);
@ -177,6 +185,7 @@ static void Display( void )
}
glEnd();
/* stencil vals should be equal to max_stencil */
glStencilFunc(GL_EQUAL, max_stencil, ~0);
glBegin(GL_QUADS);
glColor3f( 0.5, 0.5, 0.5 );
@ -186,6 +195,9 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
/*************************************************************************
* 5th square
*/
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@ -199,15 +211,13 @@ static void Display( void )
glTranslatef(3.0, 0, 0);
glBegin(GL_QUADS);
glColor3f( 0.9, 0.9, 0.9 );
/* this should be back facing */
for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
/* this should be back facing */
/* this should be back facing */
glVertex2f(-1, -1);
glVertex2f(-1, 1);
glVertex2f( 1, 1);
glVertex2f( 1, -1);
/* this should be front facing */
/* this should be front facing */
glVertex2f(-1, -1);
glVertex2f( 1, -1);
glVertex2f( 1, 1);