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authorMarek Olšák <[email protected]>2013-06-30 18:29:17 +0200
committerMarek Olšák <[email protected]>2013-07-08 20:25:18 +0200
commit1faa37557373aa29169aa4e3b95c6dcf5aced025 (patch)
treec8ea228ad17e5423a44c4f8e5f646ef3b8ec3759 /src/gallium/drivers/r600/r600_pipe.c
parent287b2fa115f95f675f7b7915777ed29d8e9d6f44 (diff)
r600g: improve the mechanism for recognizing an empty CS
Reviewed-by: Alex Deucher <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/r600_pipe.c')
-rw-r--r--src/gallium/drivers/r600/r600_pipe.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 8b67e85af19..a4e88ce0d7a 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -164,6 +164,9 @@ static void r600_flush(struct pipe_context *ctx, unsigned flags)
unsigned render_cond_mode = 0;
boolean render_cond_cond = FALSE;
+ if (rctx->rings.gfx.cs->cdw == rctx->initial_gfx_cs_size)
+ return;
+
rctx->rings.gfx.flushing = true;
/* Disable render condition. */
if (rctx->current_render_cond) {
@@ -181,6 +184,8 @@ static void r600_flush(struct pipe_context *ctx, unsigned flags)
if (render_cond) {
ctx->render_condition(ctx, render_cond, render_cond_cond, render_cond_mode);
}
+
+ rctx->initial_gfx_cs_size = rctx->rings.gfx.cs->cdw;
}
static void r600_flush_from_st(struct pipe_context *ctx,