Fixed double buffering bug when running in X

This commit is contained in:
Jon Taylor 1999-08-27 21:06:30 +00:00
parent 443dd9fd4d
commit a43cfd71da
1 changed files with 5 additions and 5 deletions

View File

@ -373,7 +373,8 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
}
/* FIXME: Use separate buffers */
ctx->lfb[1] = ctx->lfb[0];
ctx->lfb[1] = malloc(ctx->stride * ctx->height);
ctx->bufsize = (ctx->stride * ctx->height);
ctx->gl_ctx->Visual = ctx->gl_vis;
ctx->gl_ctx->Pixel.ReadBuffer =
@ -424,13 +425,12 @@ GGIMesaContext GGIMesaGetCurrentContext(void)
*/
void GGIMesaSwapBuffers(void)
{
gl_ggiDEBUG("GGIMesaSwapBuffers\n");
FLUSH_VB(GGIMesa->gl_ctx, "swap buffers");
gl_ggiFlush(GGIMesa->gl_ctx);
if (GGIMesa->gl_vis->DBflag)
{
void *buftemp;
buftemp = GGIMesa->lfb[0];
GGIMesa->lfb[0] = GGIMesa->lfb[1];
GGIMesa->lfb[1] = buftemp;
memcpy(GGIMesa->lfb[0], GGIMesa->lfb[1], GGIMesa->bufsize);
}
}