summaryrefslogtreecommitdiff
path: root/progs/demos
diff options
context:
space:
mode:
authorIan Romanick <ian.d.romanick@intel.com>2009-09-10 15:33:45 -0700
committerIan Romanick <ian.d.romanick@intel.com>2009-09-10 15:33:45 -0700
commitb8e1e8d2d8ae6ffbf8f271b46ee89788a926b3b0 (patch)
tree5db502ab80287bfc8ff61082784017c7448464f5 /progs/demos
parent81722c5d7e8e93d837510b9e6e5d014ec64cf4b3 (diff)
parentd9dc4cb0e4f578da9e50c9d1ba6fd9c22ea2fca6 (diff)
Merge branch 'master' into asm-shader-rework-2
Conflicts: src/mesa/shader/lex.yy.c src/mesa/shader/program_parse.tab.c src/mesa/shader/program_parse.tab.h
Diffstat (limited to 'progs/demos')
-rw-r--r--progs/demos/copypix.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/progs/demos/copypix.c b/progs/demos/copypix.c
index 51435acfa0..a13339ea62 100644
--- a/progs/demos/copypix.c
+++ b/progs/demos/copypix.c
@@ -26,6 +26,7 @@ static int Scissor = 0;
static float Xzoom, Yzoom;
static GLboolean DrawFront = GL_FALSE;
static GLboolean Dither = GL_TRUE;
+static GLboolean Invert = GL_FALSE;
static void Reset( void )
@@ -59,6 +60,15 @@ static void Display( void )
if (Scissor)
glEnable(GL_SCISSOR_TEST);
+ if (Invert) {
+ glPixelTransferf(GL_RED_SCALE, -1.0);
+ glPixelTransferf(GL_GREEN_SCALE, -1.0);
+ glPixelTransferf(GL_BLUE_SCALE, -1.0);
+ glPixelTransferf(GL_RED_BIAS, 1.0);
+ glPixelTransferf(GL_GREEN_BIAS, 1.0);
+ glPixelTransferf(GL_BLUE_BIAS, 1.0);
+ }
+
/* draw copy */
glPixelZoom(Xzoom, Yzoom);
glWindowPos2iARB(Xpos, Ypos);
@@ -67,6 +77,15 @@ static void Display( void )
glDisable(GL_SCISSOR_TEST);
+ if (Invert) {
+ glPixelTransferf(GL_RED_SCALE, 1.0);
+ glPixelTransferf(GL_GREEN_SCALE, 1.0);
+ glPixelTransferf(GL_BLUE_SCALE, 1.0);
+ glPixelTransferf(GL_RED_BIAS, 0.0);
+ glPixelTransferf(GL_GREEN_BIAS, 0.0);
+ glPixelTransferf(GL_BLUE_BIAS, 0.0);
+ }
+
if (DrawFront)
glFinish();
else
@@ -105,6 +124,9 @@ static void Key( unsigned char key, int x, int y )
else
glDisable(GL_DITHER);
break;
+ case 'i':
+ Invert = !Invert;
+ break;
case 's':
Scissor = !Scissor;
break;