1 files changed, 121 insertions, 0 deletions
diff --git a/xc/extras/Mesa/OpenStep/Old_NeXT/generic.m b/xc/extras/Mesa/OpenStep/Old_NeXT/generic.m
new file mode 100644
index 000000000..31bad2e7a
--- /dev/null
+++ b/xc/extras/Mesa/OpenStep/Old_NeXT/generic.m
@@ -0,0 +1,121 @@
+/* generic.m*/
+
+/* Demo of NEXTSTEP Mesa rendering */
+
+/*
+ * See Mesa/include/GL/osmesa.h for documentation of the OSMesa functions.
+ *
+ * If you want to render BIG images you'll probably have to increase
+ * MAX_WIDTH and MAX_HEIGHT in src/config.h.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul
+ *
+ * NEXTSTEP output provided by Pascal Thibaudeau
+ * pthibaud@cribx1.u-bordeaux.fr
+ * OpenStep conversion by Pete French
+ * pete@ohm.york.ac.uk
+ */
+
+#import <appkit/Application.h>
+#import <appkit/Window.h>
+#import <appkit/Menu.h>
+#import <appkit/View.h>
+#import <appkit/color.h>
+#import <appkit/NXBitmapImageRep.h>
+#import <stdio.h>
+#import <stdlib.h>
+#import "GL/osmesa.h"
+
+extern int gl_width,gl_height;
+extern void render_image(void);
+
+int main( int argc, char *argv[] )
+{
+	OSMesaContext ctx;
+	unsigned char *buffer;
+	id myWindow;
+	id myView;
+	id myMenu;
+	char name[50];
+	unsigned long start, end;
+	NXBitmapImageRep *bitmap;
+	NXRect GR;
+
+	NXApp=[Application new];
+
+	/* Create an RGBA-mode context */
+	ctx = OSMesaCreateContext( GL_RGBA, NULL );
+
+	/* Allocate the image buffer */
+	buffer = malloc( gl_width * gl_height * 4 );
+
+	/* Bind the buffer to the context and make it current */
+	OSMesaMakeCurrent( ctx, buffer, GL_UNSIGNED_BYTE, gl_width, gl_height );
+	OSMesaPixelStore( OSMESA_Y_UP, 0 );
+
+	/* Fill the bitmap with the buffer */
+	bitmap = [[ NXBitmapImageRep alloc]
+				 initData: buffer
+				 pixelsWide:gl_width
+				 pixelsHigh:gl_height
+				 bitsPerSample:8
+				 samplesPerPixel:4
+				 hasAlpha:YES
+				 isPlanar:NO
+				 colorSpace: 2
+				 bytesPerRow:gl_width*4
+				 bitsPerPixel: 32];
+
+	NXSetRect(&GR,100, 100, gl_width, gl_height);
+
+	myWindow = [[ Window alloc]
+				   initContent: &GR
+				   style:NX_TITLEDSTYLE
+				   backing: NX_BUFFERED
+				   buttonMask: NX_MINIATURIZEBUTTONMASK
+				   defer: NO];
+
+	sprintf(name, "Mesa demo: `%s'", argv[0]);
+
+	myView = [[ View alloc] initFrame:&GR];
+
+	myMenu = [[ Menu alloc] initTitle: "NeXTStep Mesa"];
+	[myMenu addItem: "Quit"
+			action:@selector(terminate:)
+			keyEquivalent: 'q'];
+	[myMenu sizeToFit];
+
+	[myWindow setTitle: name];
+	[myWindow display];
+	[myWindow setContentView:myView];
+	[myWindow makeKeyAndOrderFront:nil];
+
+	[NXApp setMainMenu:myMenu];
+
+	[myView lockFocus];
+
+	/* here is the Mesa call */
+	start=time(0);
+	render_image();
+	end=time(0);
+	printf("Rendering took %ld seconds\n",end-start);
+	fflush(stdout);
+
+	/* draw the bitmap */
+	[bitmap draw];
+	/* free the bitmap */
+	[bitmap free];
+	[myWindow flushWindow];
+	[myView unlockFocus];
+	free( buffer );
+
+   /* destroy the context */
+	OSMesaDestroyContext( ctx );
+
+	[NXApp run];
+	[NXApp free];
+
+	return 0;
+}