OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Use OSMesaCreateContextExt() if using Mesa 3.5 or later

Browse Source
This commit is contained in:
Brian Paul
2000-09-08 16:42:06 +00:00
parent 2bf5d9470d
commit 46dbaec56a
1 changed files with 25 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
progs/demos/osdemo.c
View File

@@ -1,4 +1,4 @@
/* $Id: osdemo.c,v 1.4 2000/03/28 16:59:39 rjfrank Exp $ */ /* $Id: osdemo.c,v 1.5 2000/09/08 16:42:06 brianp Exp $ */
/* /*
* Demo of off-screen Mesa rendering * Demo of off-screen Mesa rendering
@@ -223,15 +223,38 @@ write_ppm(const char *filename, const GLubyte *buffer, int width, int height)
int main( int argc, char *argv[] ) int main( int argc, char *argv[] )
{ {
void *buffer;
/* Create an RGBA-mode context */ /* Create an RGBA-mode context */
#if OSMESA_MAJOR_VERSION * 100 + OSMESA_MINOR_VERSION >= 305
/* specify Z, stencil, accum sizes */
OSMesaContext ctx = OSMesaCreateContextExt( GL_RGBA, 16, 0, 0, NULL );
#else
OSMesaContext ctx = OSMesaCreateContext( GL_RGBA, NULL ); OSMesaContext ctx = OSMesaCreateContext( GL_RGBA, NULL );
#endif
if (!ctx) {
printf("OSMesaCreateContext failed!\n");
return 0;
}
/* Allocate the image buffer */ /* Allocate the image buffer */
void *buffer = malloc( WIDTH * HEIGHT * 4 ); buffer = malloc( WIDTH * HEIGHT * 4 );
if (!buffer) {
printf("Alloc image buffer failed!\n");
return 0;
}
/* Bind the buffer to the context and make it current */ /* Bind the buffer to the context and make it current */
OSMesaMakeCurrent( ctx, buffer, GL_UNSIGNED_BYTE, WIDTH, HEIGHT ); OSMesaMakeCurrent( ctx, buffer, GL_UNSIGNED_BYTE, WIDTH, HEIGHT );
{
int z, s, a;
glGetIntegerv(GL_DEPTH_BITS, &z);
glGetIntegerv(GL_STENCIL_BITS, &s);
glGetIntegerv(GL_ACCUM_RED_BITS, &a);
printf("%d %d %d\n", z, s, a);
}
render_image(); render_image();
if (argc>1) { if (argc>1) {