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Fixed double buffering bug when running in X

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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
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10
src/mesa/drivers/ggi/ggimesa.c
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@ -373,7 +373,8 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
} }
/* FIXME: Use separate buffers */ /* 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->Visual = ctx->gl_vis;
ctx->gl_ctx->Pixel.ReadBuffer = ctx->gl_ctx->Pixel.ReadBuffer =
@ -424,13 +425,12 @@ GGIMesaContext GGIMesaGetCurrentContext(void)
*/ */
void GGIMesaSwapBuffers(void) void GGIMesaSwapBuffers(void)
{ {
gl_ggiDEBUG("GGIMesaSwapBuffers\n");
FLUSH_VB(GGIMesa->gl_ctx, "swap buffers"); FLUSH_VB(GGIMesa->gl_ctx, "swap buffers");
gl_ggiFlush(GGIMesa->gl_ctx);
if (GGIMesa->gl_vis->DBflag) if (GGIMesa->gl_vis->DBflag)
{ {
void *buftemp; memcpy(GGIMesa->lfb[0], GGIMesa->lfb[1], GGIMesa->bufsize);
buftemp = GGIMesa->lfb[0];
GGIMesa->lfb[0] = GGIMesa->lfb[1];
GGIMesa->lfb[1] = buftemp;
} }
} }