freedreno: push resource tracking down into batch

Signed-off-by: Rob Clark <robdclark@gmail.com>

src/gallium/drivers/freedreno/freedreno_batch.c

@@ -24,10 +24,12 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#include "util/list.h"
 #include "util/u_string.h"
 
 #include "freedreno_batch.h"
 #include "freedreno_context.h"
+#include "freedreno_resource.h"
 
 struct fd_batch *
 fd_batch_create(struct fd_context *ctx)
@@ -54,6 +56,8 @@ fd_batch_create(struct fd_context *ctx)
 	fd_ringbuffer_set_parent(batch->draw, batch->gmem);
 	fd_ringbuffer_set_parent(batch->binning, batch->gmem);
 
+	list_inithead(&batch->used_resources);
+
 	return batch;
 }
 
@@ -76,7 +80,38 @@ __fd_batch_describe(char* buf, const struct fd_batch *batch)
 void
 fd_batch_flush(struct fd_batch *batch)
 {
+	struct fd_resource *rsc, *rsc_tmp;
+
 	fd_gmem_render_tiles(batch->ctx);
+
+	/* go through all the used resources and clear their reading flag */
+	LIST_FOR_EACH_ENTRY_SAFE(rsc, rsc_tmp, &batch->used_resources, list) {
+		debug_assert(rsc->pending_batch == batch);
+		debug_assert(rsc->status != 0);
+		rsc->status = 0;
+		fd_batch_reference(&rsc->pending_batch, NULL);
+		list_delinit(&rsc->list);
+	}
+
+	assert(LIST_IS_EMPTY(&batch->used_resources));
+}
+
+void
+fd_batch_resource_used(struct fd_batch *batch, struct fd_resource *rsc,
+		enum fd_resource_status status)
+{
+	rsc->status |= status;
+
+	if (rsc->stencil)
+		rsc->stencil->status |= status;
+
+	/* TODO resources can actually be shared across contexts,
+	 * so I'm not sure a single list-head will do the trick?
+	 */
+	debug_assert((rsc->pending_batch == batch) || !rsc->pending_batch);
+	list_delinit(&rsc->list);
+	list_addtail(&rsc->list, &batch->used_resources);
+	fd_batch_reference(&rsc->pending_batch, batch);
 }
 
 void

src/gallium/drivers/freedreno/freedreno_batch.h

@@ -32,6 +32,8 @@
 #include "freedreno_util.h"
 
 struct fd_context;
+struct fd_resource;
+enum fd_resource_status;
 
 /* A batch tracks everything about a cmdstream batch/submit, including the
  * ringbuffers used for binning, draw, and gmem cmds, list of associated
@@ -48,11 +50,16 @@ struct fd_batch {
 	struct fd_ringbuffer *binning;
 	/** tiling/gmem (IB0) cmdstream: */
 	struct fd_ringbuffer *gmem;
+
+	/** list of resources used by currently-unsubmitted batch */
+	struct list_head used_resources;
 };
 
 struct fd_batch * fd_batch_create(struct fd_context *ctx);
 
 void fd_batch_flush(struct fd_batch *batch);
+void fd_batch_resource_used(struct fd_batch *batch, struct fd_resource *rsc,
+		enum fd_resource_status status);
 void fd_batch_check_size(struct fd_batch *batch);
 
 /* not called directly: */

src/gallium/drivers/freedreno/freedreno_context.c

@@ -45,7 +45,6 @@ void
 fd_context_render(struct pipe_context *pctx)
 {
 	struct fd_context *ctx = fd_context(pctx);
-	struct fd_resource *rsc, *rsc_tmp;
 
 	DBG("needs_flush: %d", ctx->needs_flush);
 
@@ -61,16 +60,6 @@ fd_context_render(struct pipe_context *pctx)
 	ctx->cleared = ctx->partial_cleared = ctx->restore = ctx->resolve = 0;
 	ctx->gmem_reason = 0;
 	ctx->num_draws = 0;
-
-	/* go through all the used resources and clear their reading flag */
-	LIST_FOR_EACH_ENTRY_SAFE(rsc, rsc_tmp, &ctx->used_resources, list) {
-		debug_assert(rsc->status != 0);
-		rsc->status = 0;
-		rsc->pending_ctx = NULL;
-		list_delinit(&rsc->list);
-	}
-
-	assert(LIST_IS_EMPTY(&ctx->used_resources));
 }
 
 static void

src/gallium/drivers/freedreno/freedreno_context.h

@@ -185,9 +185,6 @@ struct fd_context {
 	struct fd_bo *query_bo;
 	uint32_t query_tile_stride;
 
-	/* list of resources used by currently-unsubmitted renders */
-	struct list_head used_resources;
-
 	/* table with PIPE_PRIM_MAX entries mapping PIPE_PRIM_x to
 	 * DI_PT_x value to use for draw initiator.  There are some
 	 * slight differences between generation:

src/gallium/drivers/freedreno/freedreno_draw.c

@@ -39,39 +39,20 @@
 #include "freedreno_query_hw.h"
 #include "freedreno_util.h"
 
-static void
-resource_used(struct fd_context *ctx, struct pipe_resource *prsc,
-		enum fd_resource_status status)
-{
-	struct fd_resource *rsc;
-
-	if (!prsc)
-		return;
-
-	rsc = fd_resource(prsc);
-	rsc->status |= status;
-	if (rsc->stencil)
-		rsc->stencil->status |= status;
-
-	/* TODO resources can actually be shared across contexts,
-	 * so I'm not sure a single list-head will do the trick?
-	 */
-	debug_assert((rsc->pending_ctx == ctx) || !rsc->pending_ctx);
-	list_delinit(&rsc->list);
-	list_addtail(&rsc->list, &ctx->used_resources);
-	rsc->pending_ctx = ctx;
-}
-
 static void
 resource_read(struct fd_context *ctx, struct pipe_resource *prsc)
 {
-	resource_used(ctx, prsc, FD_PENDING_READ);
+	if (!prsc)
+		return;
+	fd_batch_resource_used(ctx->batch, fd_resource(prsc), FD_PENDING_READ);
 }
 
 static void
 resource_written(struct fd_context *ctx, struct pipe_resource *prsc)
 {
-	resource_used(ctx, prsc, FD_PENDING_WRITE);
+	if (!prsc)
+		return;
+	fd_batch_resource_used(ctx->batch, fd_resource(prsc), FD_PENDING_WRITE);
 }
 
 static void
@@ -300,8 +281,6 @@ fd_clear_depth_stencil(struct pipe_context *pctx, struct pipe_surface *ps,
 void
 fd_draw_init(struct pipe_context *pctx)
 {
-	list_inithead(&fd_context(pctx)->used_resources);
-
 	pctx->draw_vbo = fd_draw_vbo;
 	pctx->clear = fd_clear;
 	pctx->clear_render_target = fd_clear_render_target;

src/gallium/drivers/freedreno/freedreno_resource.c

@@ -109,7 +109,7 @@ realloc_bo(struct fd_resource *rsc, uint32_t size)
 	rsc->bo = fd_bo_new(screen->dev, size, flags);
 	rsc->timestamp = 0;
 	rsc->status = 0;
-	rsc->pending_ctx = NULL;
+	fd_batch_reference(&rsc->pending_batch, NULL);
 	list_delinit(&rsc->list);
 	util_range_set_empty(&rsc->valid_buffer_range);
 }
@@ -453,6 +453,7 @@ fd_resource_destroy(struct pipe_screen *pscreen,
 	struct fd_resource *rsc = fd_resource(prsc);
 	if (rsc->bo)
 		fd_bo_del(rsc->bo);
+	fd_batch_reference(&rsc->pending_batch, NULL);
 	list_delinit(&rsc->list);
 	util_range_destroy(&rsc->valid_buffer_range);
 	FREE(rsc);

src/gallium/drivers/freedreno/freedreno_resource.h

@@ -33,6 +33,7 @@
 #include "util/u_range.h"
 #include "util/u_transfer.h"
 
+#include "freedreno_batch.h"
 #include "freedreno_util.h"
 
 /* Texture Layout on a3xx:
@@ -91,7 +92,7 @@ struct fd_resource {
 	 * in the used_resources list.
 	 */
 	struct list_head list;
-	struct fd_context *pending_ctx;
+	struct fd_batch *pending_batch;
 };
 
 static inline struct fd_resource *