Mesa (master): anv/cmd_buffer: add the pipeline layout to the pipeline state

[Iago Toral Quiroga]

Module: Mesa
Branch: master
Commit: 75a4802060095da87283e6de8239cdb03147c8d8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=75a4802060095da87283e6de8239cdb03147c8d8

Author: Iago Toral Quiroga <itoral at igalia.com>
Date:   Thu Jan 25 11:54:35 2018 +0100

anv/cmd_buffer: add the pipeline layout to the pipeline state

We need to access the pipeline layout to compute correct dynamic
offsets for dyamic UBO/SSBO descriptors when we emit draw commands.
Instead of taking it from the pipeline object, store the layout
in the command buffer pipeline state.

Suggested-by: Jason Ekstrand <jason at jlekstrand.net>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/intel/vulkan/anv_cmd_buffer.c  | 8 ++++++++
 src/intel/vulkan/anv_private.h     | 1 +
 src/intel/vulkan/genX_cmd_buffer.c | 8 +++-----
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/intel/vulkan/anv_cmd_buffer.c b/src/intel/vulkan/anv_cmd_buffer.c
index 521cf6b6a5..d703d7a833 100644
--- a/src/intel/vulkan/anv_cmd_buffer.c
+++ b/src/intel/vulkan/anv_cmd_buffer.c
@@ -547,6 +547,14 @@ anv_cmd_buffer_bind_descriptor_set(struct anv_cmd_buffer *cmd_buffer,
       cmd_buffer->state.descriptors_dirty |=
          set_layout->shader_stages & VK_SHADER_STAGE_ALL_GRAPHICS;
    }
+
+   /* Pipeline layout objects are required to live at least while any command
+    * buffers that use them are in recording state. We need to grab a reference
+    * to the pipeline layout being bound here so we can compute correct dynamic
+    * offsets for VK_DESCRIPTOR_TYPE_*_DYNAMIC in dynamic_offset_for_binding()
+    * when we record draw commands that come after this.
+    */
+   pipe_state->layout = layout;
 }
 
 void anv_CmdBindDescriptorSets(
diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index 701a49823e..257124ca72 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -1694,6 +1694,7 @@ struct anv_attachment_state {
  */
 struct anv_cmd_pipeline_state {
    struct anv_pipeline *pipeline;
+   struct anv_pipeline_layout *layout;
 
    struct anv_descriptor_set *descriptors[MAX_SETS];
    uint32_t dynamic_offsets[MAX_DYNAMIC_BUFFERS];
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index c23a54fb7b..cd2f69288a 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -1476,7 +1476,6 @@ anv_descriptor_for_binding(const struct anv_cmd_pipeline_state *pipe_state,
 
 static uint32_t
 dynamic_offset_for_binding(const struct anv_cmd_pipeline_state *pipe_state,
-                           const struct anv_pipeline *pipeline,
                            const struct anv_pipeline_binding *binding)
 {
    assert(binding->set < MAX_SETS);
@@ -1484,7 +1483,7 @@ dynamic_offset_for_binding(const struct anv_cmd_pipeline_state *pipe_state,
       pipe_state->descriptors[binding->set];
 
    uint32_t dynamic_offset_idx =
-      pipeline->layout->set[binding->set].dynamic_offset_start +
+      pipe_state->layout->set[binding->set].dynamic_offset_start +
       set->layout->binding[binding->binding].dynamic_offset_index +
       binding->index;
 
@@ -1672,7 +1671,7 @@ emit_binding_table(struct anv_cmd_buffer *cmd_buffer,
       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC: {
          /* Compute the offset within the buffer */
          uint32_t dynamic_offset =
-            dynamic_offset_for_binding(pipe_state, pipeline, binding);
+            dynamic_offset_for_binding(pipe_state, binding);
          uint64_t offset = desc->offset + dynamic_offset;
          /* Clamp to the buffer size */
          offset = MIN2(offset, desc->buffer->size);
@@ -1947,8 +1946,7 @@ cmd_buffer_flush_push_constants(struct anv_cmd_buffer *cmd_buffer,
                   assert(desc->type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC);
 
                   uint32_t dynamic_offset =
-                     dynamic_offset_for_binding(&gfx_state->base,
-                                                pipeline, binding);
+                     dynamic_offset_for_binding(&gfx_state->base, binding);
                   uint32_t buf_offset =
                      MIN2(desc->offset + dynamic_offset, desc->buffer->size);
                   uint32_t buf_range =