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R300_SPAN_DISABLE_LOCKING env var

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This commit is contained in:
Aapo Tahkola 2006-04-26 11:36:27 +00:00
parent a4ebd5f684
commit d44c3e647f
2 changed files with 27 additions and 2 deletions
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1
src/mesa/drivers/dri/r300/r300_context.h
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@ -830,6 +830,7 @@ struct r300_context {
#endif
GLboolean texmicrotile;
GLboolean span_dlocking;
};
struct r300_buffer_object {

28
src/mesa/drivers/dri/r300/radeon_span.c
View file

@ -252,19 +252,43 @@ do { \
static void radeonSpanRenderStart( GLcontext *ctx )
{
radeonContextPtr rmesa = RADEON_CONTEXT( ctx );
{
static int first = 1;
r300ContextPtr r300 = rmesa;
if (first) {
r300->span_dlocking = getenv("R300_SPAN_DISABLE_LOCKING") ? 1 : 0;
if (r300->span_dlocking == 0) {
fprintf(stderr, "Try R300_SPAN_DISABLE_LOCKING env var if this hangs.\n");
fflush(stderr);
sleep(1);
}
first = 0;
}
if (r300->span_dlocking) {
r300Flush(ctx);
LOCK_HARDWARE( rmesa );
radeonWaitForIdleLocked( rmesa );
UNLOCK_HARDWARE( rmesa );
return;
}
}
// R300_FIREVERTICES( rmesa );
// old code has flush
r300Flush(ctx);
LOCK_HARDWARE( rmesa );
radeonWaitForIdleLocked( rmesa );
UNLOCK_HARDWARE( rmesa );
}
static void radeonSpanRenderFinish( GLcontext *ctx )
{
radeonContextPtr rmesa = RADEON_CONTEXT( ctx );
r300ContextPtr r300 = rmesa;
_swrast_flush( ctx );
//UNLOCK_HARDWARE( rmesa );
if (r300->span_dlocking == 0)
UNLOCK_HARDWARE( rmesa );
}
void radeonInitSpanFuncs( GLcontext *ctx )