summaryrefslogtreecommitdiff
path: root/progs/demos
diff options
context:
space:
mode:
Diffstat (limited to 'progs/demos')
-rw-r--r--progs/demos/dinoshade.c4
-rw-r--r--progs/demos/ipers.c18
-rw-r--r--progs/demos/readpix.c67
-rw-r--r--progs/demos/shadowtex.c2
-rw-r--r--progs/demos/teapot.c11
-rw-r--r--progs/demos/tunnel.c9
-rw-r--r--progs/demos/tunnel2.c9
-rw-r--r--progs/demos/vao_demo.c2
8 files changed, 116 insertions, 6 deletions
diff --git a/progs/demos/dinoshade.c b/progs/demos/dinoshade.c
index 451da2ec89..cbf8751e25 100644
--- a/progs/demos/dinoshade.c
+++ b/progs/demos/dinoshade.c
@@ -382,7 +382,7 @@ static GLfloat floorShadow[4][4];
static void
redraw(void)
{
- int start, end;
+ int start = 0, end = 0;
if (reportSpeed) {
start = glutGet(GLUT_ELAPSED_TIME);
@@ -624,6 +624,7 @@ redraw(void)
glFinish();
end = glutGet(GLUT_ELAPSED_TIME);
printf("Speed %.3g frames/sec (%d ms)\n", 1000.0/(end-start), end-start);
+ fflush(stdout);
}
glutSwapBuffers();
@@ -878,6 +879,7 @@ main(int argc, char **argv)
polygonOffsetVersion = MISSING;
printf("\ndinoshine: Missing polygon offset.\n");
printf(" Expect shadow depth aliasing artifacts.\n\n");
+ fflush(stdout);
}
}
diff --git a/progs/demos/ipers.c b/progs/demos/ipers.c
index 6e153c04e1..5d82b0dc92 100644
--- a/progs/demos/ipers.c
+++ b/progs/demos/ipers.c
@@ -237,10 +237,27 @@ special(int k, int x, int y)
}
static void
+cleanup(void)
+{
+ int i;
+
+ glDeleteTextures(1, &t1id);
+ glDeleteTextures(1, &t2id);
+
+ glDeleteLists(skydlist, 1);
+ for (i = 0; i < MAX_LOD; i++) {
+ glDeleteLists(LODdlist[i], 1);
+ glDeleteLists(LODnumpoly[i], 1);
+ }
+}
+
+
+static void
key(unsigned char k, int x, int y)
{
switch (k) {
case 27:
+ cleanup();
exit(0);
break;
@@ -707,6 +724,7 @@ main(int ac, char **av)
glutIdleFunc(draw);
glutMainLoop();
+ cleanup();
return 0;
}
diff --git a/progs/demos/readpix.c b/progs/demos/readpix.c
index c0aac2272f..bbb3a68eff 100644
--- a/progs/demos/readpix.c
+++ b/progs/demos/readpix.c
@@ -17,6 +17,7 @@
#define IMAGE_FILE "../images/girl.rgb"
static int ImgWidth, ImgHeight;
+static int WinWidth, WinHeight;
static GLenum ImgFormat;
static GLubyte *Image = NULL;
@@ -27,6 +28,7 @@ static int CPosX, CPosY; /* copypixels */
static GLboolean DrawFront = GL_FALSE;
static GLboolean ScaleAndBias = GL_FALSE;
static GLboolean Benchmark = GL_FALSE;
+static GLboolean Triangle = GL_FALSE;
static GLubyte *TempImage = NULL;
#define COMBO 1
@@ -150,11 +152,60 @@ Display( void )
/* draw original image */
glRasterPos2i(APosX, 5);
PrintString("Original");
- glRasterPos2i(APosX, APosY);
- glEnable(GL_DITHER);
- SetupPixelTransfer(GL_FALSE);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+ if (!Triangle) {
+ glRasterPos2i(APosX, APosY);
+ glEnable(GL_DITHER);
+ SetupPixelTransfer(GL_FALSE);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+ }
+ else {
+ float z = 0;
+
+ glViewport(APosX, APosY, ImgWidth, ImgHeight);
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+ glDisable(GL_CULL_FACE);
+
+ /* Red should never be seen
+ */
+ glBegin(GL_POLYGON);
+ glColor3f(1,0,0);
+ glVertex3f(-2, -2, z);
+ glVertex3f(-2, 2, z);
+ glVertex3f(2, 2, z);
+ glVertex3f(2, -2, z);
+ glEnd();
+
+ /* Blue background
+ */
+ glBegin(GL_POLYGON);
+ glColor3f(.5,.5,1);
+ glVertex3f(-1, -1, z);
+ glVertex3f(-1, 1, z);
+ glVertex3f(1, 1, z);
+ glVertex3f(1, -1, z);
+ glEnd();
+
+ /* Triangle
+ */
+ glBegin(GL_TRIANGLES);
+ glColor3f(.8,0,0);
+ glVertex3f(-0.9, -0.9, z);
+ glColor3f(0,.9,0);
+ glVertex3f( 0.9, -0.9, z);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.0, 0.9, z);
+ glEnd();
+
+ glColor3f(1,1,1);
+
+ glViewport( 0, 0, WinWidth, WinHeight );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho( 0.0, WinWidth, 0.0, WinHeight, -1.0, 1.0 );
+ }
/* might try alignment=4 here for testing */
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
@@ -218,6 +269,9 @@ Display( void )
static void
Reshape( int width, int height )
{
+ WinWidth = width;
+ WinHeight = height;
+
glViewport( 0, 0, width, height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
@@ -236,6 +290,9 @@ Key( unsigned char key, int x, int y )
case 'b':
Benchmark = GL_TRUE;
break;
+ case 't':
+ Triangle = !Triangle;
+ break;
case 's':
ScaleAndBias = !ScaleAndBias;
break;
diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c
index f10a01ec26..dc5a4bbc48 100644
--- a/progs/demos/shadowtex.c
+++ b/progs/demos/shadowtex.c
@@ -788,6 +788,7 @@ Key(unsigned char key, int x, int y)
exit(0);
break;
}
+ fflush(stdout);
glutPostRedisplay();
}
@@ -1014,6 +1015,7 @@ PrintHelp(void)
printf(" <shift> + cursor keys = rotate light source\n");
if (HaveEXTshadowFuncs)
printf(" o = cycle through comparison modes\n");
+ fflush(stdout);
}
diff --git a/progs/demos/teapot.c b/progs/demos/teapot.c
index 38ede7ac3e..6bf6e06409 100644
--- a/progs/demos/teapot.c
+++ b/progs/demos/teapot.c
@@ -173,10 +173,20 @@ static void special(int k, int x, int y)
}
}
+static void cleanup(void)
+{
+ glDeleteTextures(1, &t1id);
+ glDeleteTextures(1, &t2id);
+ glDeleteLists(teapotdlist, 1);
+ glDeleteLists(basedlist, 1);
+ glDeleteLists(lightdlist, 1);
+}
+
static void key(unsigned char k, int x, int y)
{
switch(k) {
case 27:
+ cleanup();
exit(0);
break;
@@ -670,6 +680,7 @@ int main(int ac, char **av)
glutIdleFunc(draw);
glutMainLoop();
+ cleanup();
return 0;
}
diff --git a/progs/demos/tunnel.c b/progs/demos/tunnel.c
index 6a240580e8..6981da3298 100644
--- a/progs/demos/tunnel.c
+++ b/progs/demos/tunnel.c
@@ -203,10 +203,18 @@ special(int k, int x, int y)
}
static void
+cleanup(void)
+{
+ glDeleteTextures(1, &t1id);
+ glDeleteTextures(1, &t2id);
+}
+
+static void
key(unsigned char k, int x, int y)
{
switch (k) {
case 27:
+ cleanup();
exit(0);
break;
@@ -531,5 +539,6 @@ main(int ac, char **av)
glutMainLoop();
+ cleanup();
return 0;
}
diff --git a/progs/demos/tunnel2.c b/progs/demos/tunnel2.c
index f4171a8346..0288ea0f8c 100644
--- a/progs/demos/tunnel2.c
+++ b/progs/demos/tunnel2.c
@@ -201,12 +201,20 @@ special(int k, int x, int y)
}
static void
+cleanup(void)
+{
+ glDeleteTextures(1, &t1id);
+ glDeleteTextures(1, &t2id);
+}
+
+static void
key(unsigned char k, int x, int y)
{
switch (k) {
case 27:
glutDestroyWindow(channel[0]);
glutDestroyWindow(channel[1]);
+ cleanup();
exit(0);
break;
@@ -602,6 +610,7 @@ main(int ac, char **av)
calcposobs();
glutMainLoop();
+ cleanup();
return 0;
}
diff --git a/progs/demos/vao_demo.c b/progs/demos/vao_demo.c
index ce416712fe..206e06fc6c 100644
--- a/progs/demos/vao_demo.c
+++ b/progs/demos/vao_demo.c
@@ -260,6 +260,8 @@ static void Key( unsigned char key, int x, int y )
(void) y;
switch (key) {
case 27:
+ (*delete_vertex_arrays)( 1, & cube_array_obj );
+ (*delete_vertex_arrays)( 1, & oct_array_obj );
glutDestroyWindow(Win);
exit(0);
break;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-16 12:24:55 +0000