lima: add render target to submit by dirty buffer flags

No need to add un-touched buffer to submit.

Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3755>

diff --git a/src/gallium/drivers/lima/lima_draw.c b/src/gallium/drivers/lima/lima_draw.c
index e351b4d..97e03bd 100644 (file)
--- a/src/gallium/drivers/lima/lima_draw.c
+++ b/src/gallium/drivers/lima/lima_draw.c
@@ -633,20 +633,25 @@ lima_update_pp_stream(struct lima_context *ctx)
 }
 
 static void
-lima_update_submit_wb(struct lima_context *ctx)
+lima_update_submit_wb(struct lima_context *ctx, unsigned buffers)
 {
-   if (lima_ctx_dirty(ctx))
-      return;
+   struct lima_context_framebuffer *fb = &ctx->framebuffer;
 
-   if (ctx->framebuffer.base.nr_cbufs) {
-      struct lima_resource *res = lima_resource(ctx->framebuffer.base.cbufs[0]->texture);
+   /* add to submit when the buffer is dirty and resolve is clear (not added before) */
+   if (fb->base.nr_cbufs && (buffers & PIPE_CLEAR_COLOR0) &&
+       !(ctx->resolve & PIPE_CLEAR_COLOR0)) {
+      struct lima_resource *res = lima_resource(fb->base.cbufs[0]->texture);
       lima_submit_add_bo(ctx->pp_submit, res->bo, LIMA_SUBMIT_BO_WRITE);
    }
 
-   if (ctx->framebuffer.base.zsbuf) {
-      struct lima_resource *res = lima_resource(ctx->framebuffer.base.zsbuf->texture);
+   /* add to submit when the buffer is dirty and resolve is clear (not added before) */
+   if (fb->base.zsbuf && (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) &&
+       !(ctx->resolve & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
+      struct lima_resource *res = lima_resource(fb->base.zsbuf->texture);
       lima_submit_add_bo(ctx->pp_submit, res->bo, LIMA_SUBMIT_BO_WRITE);
    }
+
+   ctx->resolve |= buffers;
 }
 
 static void
@@ -685,9 +690,7 @@ lima_clear(struct pipe_context *pctx, unsigned buffers,
 
    lima_flush(ctx);
 
-   lima_update_submit_wb(ctx);
-
-   ctx->resolve |= buffers;
+   lima_update_submit_wb(ctx, buffers);
 
    /* no need to reload if cleared */
    if (ctx->framebuffer.base.nr_cbufs && (buffers & PIPE_CLEAR_COLOR0)) {
@@ -1511,8 +1514,21 @@ lima_draw_vbo_update(struct pipe_context *pctx,
                      const struct pipe_draw_info *info)
 {
    struct lima_context *ctx = lima_context(pctx);
+   struct lima_context_framebuffer *fb = &ctx->framebuffer;
+   unsigned buffers = 0;
 
-   lima_update_submit_wb(ctx);
+   if (fb->base.zsbuf) {
+      if (ctx->zsa->base.depth.enabled)
+         buffers |= PIPE_CLEAR_DEPTH;
+      if (ctx->zsa->base.stencil[0].enabled ||
+          ctx->zsa->base.stencil[1].enabled)
+         buffers |= PIPE_CLEAR_STENCIL;
+   }
+
+   if (fb->base.nr_cbufs)
+      buffers |= PIPE_CLEAR_COLOR0;
+
+   lima_update_submit_wb(ctx, buffers);
 
    lima_update_gp_attribute_info(ctx, info);
 
@@ -1546,17 +1562,6 @@ lima_draw_vbo_update(struct pipe_context *pctx,
       ctx->gp_output = NULL;
    }
 
-   if (ctx->framebuffer.base.zsbuf) {
-      if (ctx->zsa->base.depth.enabled)
-         ctx->resolve |= PIPE_CLEAR_DEPTH;
-      if (ctx->zsa->base.stencil[0].enabled ||
-          ctx->zsa->base.stencil[1].enabled)
-         ctx->resolve |= PIPE_CLEAR_STENCIL;
-   }
-
-   if (ctx->framebuffer.base.nr_cbufs)
-      ctx->resolve |= PIPE_CLEAR_COLOR0;
-
    ctx->dirty = 0;
 }