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-rw-r--r--progs/demos/readpix.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/progs/demos/readpix.c b/progs/demos/readpix.c
index 3b13bb2c3e..0277a46a03 100644
--- a/progs/demos/readpix.c
+++ b/progs/demos/readpix.c
@@ -1,4 +1,4 @@
-/* $Id: readpix.c,v 1.6 2002/05/02 09:15:22 alanh Exp $ */
+/* $Id: readpix.c,v 1.7 2002/05/02 09:17:59 alanh Exp $ */
/*
* glReadPixels and glCopyPixels test
@@ -34,7 +34,7 @@ static GLubyte *TempImage = NULL;
#define ReadType GL_UNSIGNED_BYTE
#endif
#if 1
-static GLenum ReadFormat = GL_DEPTH_COMPONENT; /*GL_RGBA; */
+static GLenum ReadFormat = GL_RGBA;
static GLenum ReadType = GL_UNSIGNED_BYTE;
#endif
#if 0
@@ -111,8 +111,6 @@ Display( void )
glRasterPos2i(APosX, APosY);
glEnable(GL_DITHER);
SetupPixelTransfer(GL_FALSE);
- glDrawBuffer(GL_AUX0);
- glReadBuffer(GL_AUX0);
glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
/* do readpixels, drawpixels */
@@ -154,7 +152,7 @@ Display( void )
glRasterPos2i(CPosX, CPosY);
glDisable(GL_DITHER);
SetupPixelTransfer(ScaleAndBias);
- glCopyPixels(APosX, APosY, ImgWidth, ImgHeight, GL_DEPTH);
+ glCopyPixels(APosX, APosY, ImgWidth, ImgHeight, GL_COLOR);
if (!DrawFront)
glutSwapBuffers();
@@ -190,12 +188,12 @@ Key( unsigned char key, int x, int y )
case 'f':
DrawFront = !DrawFront;
if (DrawFront) {
- glDrawBuffer(GL_AUX0);
- glReadBuffer(GL_AUX0);
+ glDrawBuffer(GL_FRONT);
+ glReadBuffer(GL_FRONT);
}
else {
- glDrawBuffer(GL_AUX0);
- glReadBuffer(GL_AUX0);
+ glDrawBuffer(GL_BACK);
+ glReadBuffer(GL_BACK);
}
printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
break;