radeonsi: initialize the first CS like any other

So that the "init" state is always emitted first and not later in draw_vbo.

This fixes streamout where the "init" state, which disables streamout,
was emitted in draw_vbo after streamout was enabled.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/src/gallium/drivers/radeonsi/r600.h b/src/gallium/drivers/radeonsi/r600.h
index a914ce2..4b43169 100644 (file)
--- a/src/gallium/drivers/radeonsi/r600.h
+++ b/src/gallium/drivers/radeonsi/r600.h
@@ -74,6 +74,7 @@ struct r600_screen;
 
 void si_get_backend_mask(struct r600_context *ctx);
 void si_context_flush(struct r600_context *ctx, unsigned flags);
+void si_begin_new_cs(struct r600_context *ctx);
 
 struct r600_query *r600_context_query_create(struct r600_context *ctx, unsigned query_type);
 void r600_context_query_destroy(struct r600_context *ctx, struct r600_query *query);

diff --git a/src/gallium/drivers/radeonsi/r600_hw_context.c b/src/gallium/drivers/radeonsi/r600_hw_context.c
index 1a2128e..c8fa66c 100644 (file)
--- a/src/gallium/drivers/radeonsi/r600_hw_context.c
+++ b/src/gallium/drivers/radeonsi/r600_hw_context.c
@@ -179,15 +179,15 @@ void si_need_cs_space(struct r600_context *ctx, unsigned num_dw,
 void si_context_flush(struct r600_context *ctx, unsigned flags)
 {
        struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
-       bool queries_suspended = false;
 
        if (!cs->cdw)
                return;
 
        /* suspend queries */
+       ctx->nontimer_queries_suspended = false;
        if (ctx->num_cs_dw_nontimer_queries_suspend) {
                r600_context_queries_suspend(ctx);
-               queries_suspended = true;
+               ctx->nontimer_queries_suspended = true;
        }
 
        ctx->b.streamout.suspended = false;
@@ -245,6 +245,11 @@ void si_context_flush(struct r600_context *ctx, unsigned flags)
        }
 #endif
 
+       si_begin_new_cs(ctx);
+}
+
+void si_begin_new_cs(struct r600_context *ctx)
+{
        ctx->pm4_dirty_cdwords = 0;
 
        /* Flush read caches at the beginning of CS. */
@@ -267,7 +272,7 @@ void si_context_flush(struct r600_context *ctx, unsigned flags)
        }
 
        /* resume queries */
-       if (queries_suspended) {
+       if (ctx->nontimer_queries_suspended) {
                r600_context_queries_resume(ctx);
        }
 

diff --git a/src/gallium/drivers/radeonsi/radeonsi_pipe.c b/src/gallium/drivers/radeonsi/radeonsi_pipe.c
index 993f30a..e219e36 100644 (file)
--- a/src/gallium/drivers/radeonsi/radeonsi_pipe.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_pipe.c
@@ -279,14 +279,15 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
        if (rctx->blitter == NULL)
                goto fail;
 
-       si_get_backend_mask(rctx); /* this emits commands and must be last */
-
        rctx->dummy_pixel_shader =
                util_make_fragment_cloneinput_shader(&rctx->b.b, 0,
                                                     TGSI_SEMANTIC_GENERIC,
                                                     TGSI_INTERPOLATE_CONSTANT);
        rctx->b.b.bind_fs_state(&rctx->b.b, rctx->dummy_pixel_shader);
 
+       /* these must be last */
+       si_begin_new_cs(rctx);
+       si_get_backend_mask(rctx);
        return &rctx->b.b;
 fail:
        r600_destroy_context(&rctx->b.b);

diff --git a/src/gallium/drivers/radeonsi/radeonsi_pipe.h b/src/gallium/drivers/radeonsi/radeonsi_pipe.h
index ed17f2c..c5059e8 100644 (file)
--- a/src/gallium/drivers/radeonsi/radeonsi_pipe.h
+++ b/src/gallium/drivers/radeonsi/radeonsi_pipe.h
@@ -180,6 +180,8 @@ struct r600_context {
        /* The list of active queries. Only one query of each type can be active. */
        struct list_head        active_nontimer_query_list;
        unsigned                num_cs_dw_nontimer_queries_suspend;
+       /* If queries have been suspended. */
+       bool                    nontimer_queries_suspended;
 
        unsigned                backend_mask;
        unsigned                max_db; /* for OQ */

diff --git a/src/gallium/drivers/radeonsi/radeonsi_pm4.c b/src/gallium/drivers/radeonsi/radeonsi_pm4.c
index 37a199d..eed0c47 100644 (file)
--- a/src/gallium/drivers/radeonsi/radeonsi_pm4.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_pm4.c
@@ -242,6 +242,7 @@ void si_pm4_emit_dirty(struct r600_context *rctx)
                if (!state || rctx->emitted.array[i] == state)
                        continue;
 
+               assert(state != rctx->queued.named.init);
                si_pm4_emit(rctx, state);
                rctx->emitted.array[i] = state;
        }