[Mesa-dev] [PATCH 1/4] anv: Add helpers for converting access flags to pipe bits

[Jason Ekstrand]

---
 src/intel/vulkan/anv_private.h     | 59 ++++++++++++++++++++++++++++++++++++++
 src/intel/vulkan/genX_cmd_buffer.c | 48 ++-----------------------------
 2 files changed, 62 insertions(+), 45 deletions(-)

diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index b11adfd..a0eefe3 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -1156,6 +1156,65 @@ enum anv_pipe_bits {
    ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT | \
    ANV_PIPE_INSTRUCTION_CACHE_INVALIDATE_BIT)
 
+static inline enum anv_pipe_bits
+anv_pipe_flush_bits_for_access_flags(VkAccessFlags flags)
+{
+   enum anv_pipe_bits pipe_bits = 0;
+
+   unsigned b;
+   for_each_bit(b, flags) {
+      switch ((VkAccessFlagBits)(1 << b)) {
+      case VK_ACCESS_SHADER_WRITE_BIT:
+         pipe_bits |= ANV_PIPE_DATA_CACHE_FLUSH_BIT;
+         break;
+      case VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT:
+         pipe_bits |= ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT;
+         break;
+      case VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT:
+         pipe_bits |= ANV_PIPE_DEPTH_CACHE_FLUSH_BIT;
+         break;
+      case VK_ACCESS_TRANSFER_WRITE_BIT:
+         pipe_bits |= ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT;
+         pipe_bits |= ANV_PIPE_DEPTH_CACHE_FLUSH_BIT;
+         break;
+      default:
+         break; /* Nothing to do */
+      }
+   }
+
+   return pipe_bits;
+}
+
+static inline enum anv_pipe_bits
+anv_pipe_invalidate_bits_for_access_flags(VkAccessFlags flags)
+{
+   enum anv_pipe_bits pipe_bits = 0;
+
+   unsigned b;
+   for_each_bit(b, flags) {
+      switch ((VkAccessFlagBits)(1 << b)) {
+      case VK_ACCESS_INDIRECT_COMMAND_READ_BIT:
+      case VK_ACCESS_INDEX_READ_BIT:
+      case VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT:
+         pipe_bits |= ANV_PIPE_VF_CACHE_INVALIDATE_BIT;
+         break;
+      case VK_ACCESS_UNIFORM_READ_BIT:
+         pipe_bits |= ANV_PIPE_CONSTANT_CACHE_INVALIDATE_BIT;
+         pipe_bits |= ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT;
+         break;
+      case VK_ACCESS_SHADER_READ_BIT:
+      case VK_ACCESS_INPUT_ATTACHMENT_READ_BIT:
+      case VK_ACCESS_TRANSFER_READ_BIT:
+         pipe_bits |= ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT;
+         break;
+      default:
+         break; /* Nothing to do */
+      }
+   }
+
+   return pipe_bits;
+}
+
 struct anv_vertex_binding {
    struct anv_buffer *                          buffer;
    VkDeviceSize                                 offset;
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index a12bd67..acb59d5 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -920,7 +920,6 @@ void genX(CmdPipelineBarrier)(
     const VkImageMemoryBarrier*                 pImageMemoryBarriers)
 {
    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
-   uint32_t b;
 
    /* XXX: Right now, we're really dumb and just flush whatever categories
     * the app asks for.  One of these days we may make this a bit better
@@ -951,50 +950,9 @@ void genX(CmdPipelineBarrier)(
       }
    }
 
-   enum anv_pipe_bits pipe_bits = 0;
-
-   for_each_bit(b, src_flags) {
-      switch ((VkAccessFlagBits)(1 << b)) {
-      case VK_ACCESS_SHADER_WRITE_BIT:
-         pipe_bits |= ANV_PIPE_DATA_CACHE_FLUSH_BIT;
-         break;
-      case VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT:
-         pipe_bits |= ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT;
-         break;
-      case VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT:
-         pipe_bits |= ANV_PIPE_DEPTH_CACHE_FLUSH_BIT;
-         break;
-      case VK_ACCESS_TRANSFER_WRITE_BIT:
-         pipe_bits |= ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT;
-         pipe_bits |= ANV_PIPE_DEPTH_CACHE_FLUSH_BIT;
-         break;
-      default:
-         break; /* Nothing to do */
-      }
-   }
-
-   for_each_bit(b, dst_flags) {
-      switch ((VkAccessFlagBits)(1 << b)) {
-      case VK_ACCESS_INDIRECT_COMMAND_READ_BIT:
-      case VK_ACCESS_INDEX_READ_BIT:
-      case VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT:
-         pipe_bits |= ANV_PIPE_VF_CACHE_INVALIDATE_BIT;
-         break;
-      case VK_ACCESS_UNIFORM_READ_BIT:
-         pipe_bits |= ANV_PIPE_CONSTANT_CACHE_INVALIDATE_BIT;
-         pipe_bits |= ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT;
-         break;
-      case VK_ACCESS_SHADER_READ_BIT:
-      case VK_ACCESS_INPUT_ATTACHMENT_READ_BIT:
-      case VK_ACCESS_TRANSFER_READ_BIT:
-         pipe_bits |= ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT;
-         break;
-      default:
-         break; /* Nothing to do */
-      }
-   }
-
-   cmd_buffer->state.pending_pipe_bits |= pipe_bits;
+   cmd_buffer->state.pending_pipe_bits |=
+      anv_pipe_flush_bits_for_access_flags(src_flags) |
+      anv_pipe_invalidate_bits_for_access_flags(dst_flags);
 }
 
 static void
-- 
2.5.0.400.gff86faf