v3dv: add a v3dv_job_allocate_tile_state helper

If we enable double-buffer we are reducing the tile size, and thus,
we'll need more tiles and a larger tile state allocation, so we'll
need to call to this helper.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17854>

src/broadcom/vulkan/v3dv_cmd_buffer.c

@@ -412,36 +412,12 @@ job_compute_frame_tiling(struct v3dv_job *job,
    return tiling;
 }
 
-void
-v3dv_job_start_frame(struct v3dv_job *job,
-                     uint32_t width,
-                     uint32_t height,
-                     uint32_t layers,
-                     bool allocate_tile_state_for_all_layers,
-                     uint32_t render_target_count,
-                     uint8_t max_internal_bpp,
-                     bool msaa)
+bool
+v3dv_job_allocate_tile_state(struct v3dv_job *job)
 {
-   assert(job);
-
-   /* Start by computing frame tiling spec for this job */
-   const struct v3dv_frame_tiling *tiling =
-      job_compute_frame_tiling(job,
-                               width, height, layers,
-                               render_target_count, max_internal_bpp, msaa);
-
-   v3dv_cl_ensure_space_with_branch(&job->bcl, 256);
-   v3dv_return_if_oom(NULL, job);
-
-   /* We only need to allocate tile state for all layers if the binner
-    * writes primitives to layers other than the first. This can only be
-    * done using layered rendering (writing gl_Layer from a geometry shader),
-    * so for other cases of multilayered framebuffers (typically with
-    * meta copy/clear operations) that won't use layered rendering, we only
-    * need one layer worth of of tile state for the binner.
-    */
-   if (!allocate_tile_state_for_all_layers)
-      layers = 1;
+   struct v3dv_frame_tiling *tiling = &job->frame_tiling;
+   const uint32_t layers =
+      job->allocate_tile_state_for_all_layers ? tiling->layers : 1;
 
    /* The PTB will request the tile alloc initial size per tile at start
     * of tile binning.
@@ -469,7 +445,7 @@ v3dv_job_start_frame(struct v3dv_job *job,
                                    "tile_alloc", true);
    if (!job->tile_alloc) {
       v3dv_flag_oom(NULL, job);
-      return;
+      return false;
    }
 
    v3dv_job_add_bo_unchecked(job, job->tile_alloc);
@@ -482,12 +458,40 @@ v3dv_job_start_frame(struct v3dv_job *job,
    job->tile_state = v3dv_bo_alloc(job->device, tile_state_size, "TSDA", true);
    if (!job->tile_state) {
       v3dv_flag_oom(NULL, job);
-      return;
+      return false;
    }
 
    v3dv_job_add_bo_unchecked(job, job->tile_state);
+   return true;
+}
 
-   v3dv_X(job->device, job_emit_binning_prolog)(job, tiling, layers);
+void
+v3dv_job_start_frame(struct v3dv_job *job,
+                     uint32_t width,
+                     uint32_t height,
+                     uint32_t layers,
+                     bool allocate_tile_state_for_all_layers,
+                     uint32_t render_target_count,
+                     uint8_t max_internal_bpp,
+                     bool msaa)
+{
+   assert(job);
+
+   /* Start by computing frame tiling spec for this job */
+   const struct v3dv_frame_tiling *tiling =
+      job_compute_frame_tiling(job,
+                               width, height, layers,
+                               render_target_count, max_internal_bpp, msaa);
+
+   v3dv_cl_ensure_space_with_branch(&job->bcl, 256);
+   v3dv_return_if_oom(NULL, job);
+
+   job->allocate_tile_state_for_all_layers = allocate_tile_state_for_all_layers;
+   if (!v3dv_job_allocate_tile_state(job))
+      return;
+
+   v3dv_X(job->device, job_emit_binning_prolog)(job, tiling,
+      allocate_tile_state_for_all_layers ? tiling->layers : 1);
 
    job->ez_state = V3D_EZ_UNDECIDED;
    job->first_ez_state = V3D_EZ_UNDECIDED;

src/broadcom/vulkan/v3dv_private.h

@@ -1086,6 +1086,15 @@ struct v3dv_job {
     */
    bool can_use_double_buffer;
 
+   /* We only need to allocate tile state for all layers if the binner
+    * writes primitives to layers other than the first. This can only be
+    * done using layered rendering (writing gl_Layer from a geometry shader),
+    * so for other cases of multilayered framebuffers (typically with
+    * meta copy/clear operations) that won't use layered rendering, we only
+    * need one layer worth of of tile state for the binner.
+    */
+   bool allocate_tile_state_for_all_layers;
+
    enum v3dv_job_type type;
 
    struct v3dv_device *device;
@@ -1219,6 +1228,8 @@ v3dv_cmd_buffer_ensure_array_state(struct v3dv_cmd_buffer *cmd_buffer,
 void v3dv_cmd_buffer_emit_pre_draw(struct v3dv_cmd_buffer *cmd_buffer,
                                    bool indexed, bool indirect);
 
+bool v3dv_job_allocate_tile_state(struct v3dv_job *job);
+
 /* FIXME: only used on v3dv_cmd_buffer and v3dvx_cmd_buffer, perhaps move to a
  * cmd_buffer specific header?
  */