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authorNicolai Hähnle <nhaehnle@gmail.com>2009-09-21 13:26:50 +0200
committerNicolai Hähnle <nhaehnle@gmail.com>2009-09-21 13:26:50 +0200
commit81c7561d9d3faf70ac22c6a5f3fbea18f53eed92 (patch)
tree5ec097e0e1fe99804104d3a56923c16edf1533aa /progs/demos/copypix.c
parentf02f63997ce65530788a6dfcb28f11790a14d938 (diff)
parent3083ba38f4c884b32cd0460607b5064b6b7008d2 (diff)
Merge branch 'master' into r300-compiler
There were additional non-textual conflicts. Conflicts: src/gallium/drivers/r300/r300_tgsi_to_rc.c src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c src/mesa/drivers/dri/r300/compiler/radeon_program.c src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
Diffstat (limited to 'progs/demos/copypix.c')
-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;