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mesa/glthread: Avoid unnecessary batch reallocation

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Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Bartosz Tomczyk
2017-04-03 21:19:40 +02:00
committed by Timothy Arceri
parent 6e5e8a2e49
commit 64b3aa7ad8
1 changed files with 9 additions and 6 deletions
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15
src/mesa/main/glthread.c
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@@ -53,7 +53,8 @@ glthread_allocate_batch(struct gl_context *ctx)
}
static void
glthread_unmarshal_batch(struct gl_context *ctx, struct glthread_batch *batch)
glthread_unmarshal_batch(struct gl_context *ctx, struct glthread_batch *batch,
const bool release_batch)
{
size_t pos = 0;
@@ -64,7 +65,10 @@ glthread_unmarshal_batch(struct gl_context *ctx, struct glthread_batch *batch)
assert(pos == batch->used);
free(batch);
if (release_batch)
free(batch);
else
batch->used = 0;
}
static void *
@@ -103,7 +107,7 @@ glthread_worker(void *data)
glthread->busy = true;
pthread_mutex_unlock(&glthread->mutex);
glthread_unmarshal_batch(ctx, batch);
glthread_unmarshal_batch(ctx, batch, true);
pthread_mutex_lock(&glthread->mutex);
glthread->busy = false;
@@ -214,7 +218,7 @@ _mesa_glthread_flush_batch_locked(struct gl_context *ctx)
* need to restore it when it returns.
*/
if (false) {
glthread_unmarshal_batch(ctx, batch);
glthread_unmarshal_batch(ctx, batch, true);
_glapi_set_dispatch(ctx->CurrentClientDispatch);
return;
}
@@ -269,9 +273,8 @@ _mesa_glthread_finish(struct gl_context *ctx)
if (!(glthread->batch_queue || glthread->busy)) {
if (glthread->batch && glthread->batch->used) {
struct _glapi_table *dispatch = _glapi_get_dispatch();
glthread_unmarshal_batch(ctx, glthread->batch);
glthread_unmarshal_batch(ctx, glthread->batch, false);
_glapi_set_dispatch(dispatch);
glthread_allocate_batch(ctx);
}
} else {
_mesa_glthread_flush_batch_locked(ctx);