Merge commit 'origin/master' into glsl-pp-rework-2

5 files changed, 52 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;
diff --git a/progs/fp/add-sat.txt b/progs/fp/add-sat.txt
new file mode 100644
index 0000000000..2253efb085
--- /dev/null
+++ b/progs/fp/add-sat.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+TEMP R0;
+MOV R0, fragment.color;
+ADD_SAT R0, R0, R0;
+MUL result.color, {0.5}.x, R0;
+END
diff --git a/progs/fp/mov-alias.txt b/progs/fp/mov-alias.txt
new file mode 100644
index 0000000000..5f04e9c76e
--- /dev/null
+++ b/progs/fp/mov-alias.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+TEMP R0;
+MOV R0, fragment.color;
+MOV R0, R0.zyxw;
+MOV result.color, R0;
+END
diff --git a/progs/fp/mul-alias.txt b/progs/fp/mul-alias.txt
new file mode 100644
index 0000000000..cf7d359e78
--- /dev/null
+++ b/progs/fp/mul-alias.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+TEMP R0;
+MOV R0, fragment.color;
+MUL R0, R0.zyxw, fragment.color;
+MOV result.color, R0;
+END
diff --git a/progs/tests/zreaddraw.c b/progs/tests/zreaddraw.c
index 8839e10836..0821d5fb35 100644
--- a/progs/tests/zreaddraw.c
+++ b/progs/tests/zreaddraw.c
@@ -12,6 +12,7 @@
 #include <GL/glut.h>
 
 static GLint WinWidth = 500, WinHeight = 500;
+static GLboolean Invert = GL_FALSE;
 
 
 static void Display(void)
@@ -50,7 +51,15 @@ static void Display(void)
    glPixelZoom(4.0, 4.0);
    glColor4f(1, 0, 0, 0);
    glWindowPos2i(100, 0);
+   if (Invert) {
+      glPixelTransferf(GL_DEPTH_SCALE, -1.0);
+      glPixelTransferf(GL_DEPTH_BIAS, 1.0);
+   }
    glDrawPixels(100, 100, GL_DEPTH_COMPONENT, GL_FLOAT, depth);
+   if (Invert) {
+      glPixelTransferf(GL_DEPTH_SCALE, 1.0);
+      glPixelTransferf(GL_DEPTH_BIAS, 0.0);
+   }
 
    glDisable(GL_DEPTH_TEST);
 
@@ -77,6 +86,9 @@ static void Key(unsigned char key, int x, int y)
    (void) x;
    (void) y;
    switch (key) {
+      case 'i':
+         Invert = !Invert;
+         break;
       case 27:
          exit(0);
          break;