anv: Compact render targets

Previously, we would always emit all of the render targets in the subpass.
This commit changes it so that we compact render targets just like we do
with other resources.  Render targets are represented in the surface map by
using a descriptor set index of UINT16_MAX.

1 files changed, 26 insertions, 26 deletions

diff --git a/src/intel/vulkan/anv_cmd_buffer.c b/src/intel/vulkan/anv_cmd_buffer.c
index 9dca21d..ac8bf5f 100644
--- a/src/intel/vulkan/anv_cmd_buffer.c
+++ b/src/intel/vulkan/anv_cmd_buffer.c
@@ -736,10 +736,6 @@ anv_cmd_buffer_emit_binding_table(struct anv_cmd_buffer *cmd_buffer,
    uint32_t bias, state_offset;
 
    switch (stage) {
-   case  MESA_SHADER_FRAGMENT:
-      map = &cmd_buffer->state.pipeline->bindings[stage];
-      bias = MAX_RTS;
-      break;
    case  MESA_SHADER_COMPUTE:
       map = &cmd_buffer->state.compute_pipeline->bindings[stage];
       bias = 1;
@@ -763,25 +759,6 @@ anv_cmd_buffer_emit_binding_table(struct anv_cmd_buffer *cmd_buffer,
    if (bt_state->map == NULL)
       return VK_ERROR_OUT_OF_DEVICE_MEMORY;
 
-   if (stage == MESA_SHADER_FRAGMENT) {
-      if (subpass->color_count == 0) {
-         struct anv_state null_surface =
-            anv_cmd_buffer_alloc_null_surface_state(cmd_buffer,
-                                                    cmd_buffer->state.framebuffer);
-         bt_map[0] = null_surface.offset + state_offset;
-      } else {
-         for (uint32_t a = 0; a < subpass->color_count; a++) {
-            const struct anv_image_view *iview =
-               fb->attachments[subpass->color_attachments[a]];
-
-            assert(iview->color_rt_surface_state.alloc_size);
-            bt_map[a] = iview->color_rt_surface_state.offset + state_offset;
-            add_surface_state_reloc(cmd_buffer, iview->color_rt_surface_state,
-                                    iview->bo, iview->offset);
-         }
-      }
-   }
-
    if (stage == MESA_SHADER_COMPUTE &&
        get_cs_prog_data(cmd_buffer->state.compute_pipeline)->uses_num_work_groups) {
       struct anv_bo *bo = cmd_buffer->state.num_workgroups_bo;
@@ -815,14 +792,37 @@ anv_cmd_buffer_emit_binding_table(struct anv_cmd_buffer *cmd_buffer,
    uint32_t image = 0;
    for (uint32_t s = 0; s < map->surface_count; s++) {
       struct anv_pipeline_binding *binding = &map->surface_to_descriptor[s];
-      struct anv_descriptor_set *set =
-         cmd_buffer->state.descriptors[binding->set];
-      struct anv_descriptor *desc = &set->descriptors[binding->offset];
 
       struct anv_state surface_state;
       struct anv_bo *bo;
       uint32_t bo_offset;
 
+      if (binding->set == ANV_DESCRIPTOR_SET_COLOR_ATTACHMENTS) {
+         /* Color attachment binding */
+         assert(stage == MESA_SHADER_FRAGMENT);
+         if (binding->offset < subpass->color_count) {
+            const struct anv_image_view *iview =
+               fb->attachments[subpass->color_attachments[binding->offset]];
+
+            assert(iview->color_rt_surface_state.alloc_size);
+            surface_state = iview->color_rt_surface_state;
+            add_surface_state_reloc(cmd_buffer, iview->color_rt_surface_state,
+                                    iview->bo, iview->offset);
+         } else {
+            /* Null render target */
+            struct anv_framebuffer *fb = cmd_buffer->state.framebuffer;
+            surface_state =
+               anv_cmd_buffer_alloc_null_surface_state(cmd_buffer, fb);
+         }
+
+         bt_map[bias + s] = surface_state.offset + state_offset;
+         continue;
+      }
+
+      struct anv_descriptor_set *set =
+         cmd_buffer->state.descriptors[binding->set];
+      struct anv_descriptor *desc = &set->descriptors[binding->offset];
+
       switch (desc->type) {
       case VK_DESCRIPTOR_TYPE_SAMPLER:
          /* Nothing for us to do here */