On 07/11/2018 10:53 AM, Bas Nieuwenhuizen wrote:
Don't we need to disable predication too for the PipelineBarriers when
a layout change happens?

I don't think. Shouldn't the app handle this correctly? If a CmdPipelineBarrier() is between Begin()/End() it will be skipped, that's it?


Also in cases the barrier or a blit/copy does different predication,
do we not need to do si_emit_set_predication_state again as the state
was overridden?

Hmm, I think we need, at least, to restore the state after a decompression pass in case the predicate is different. What do you think?


On Mon, Jul 9, 2018 at 2:57 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
Inherited commands buffers are not supported.

v2: - disable predication for blit and copy commands

Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
  src/amd/vulkan/radv_cmd_buffer.c  | 29 +++++++++++++++++++++++++++++
  src/amd/vulkan/radv_device.c      |  7 +++++++
  src/amd/vulkan/radv_extensions.py |  1 +
  src/amd/vulkan/radv_meta_blit.c   | 10 ++++++++++
  src/amd/vulkan/radv_meta_buffer.c | 10 ++++++++++
  src/amd/vulkan/radv_meta_copy.c   | 30 ++++++++++++++++++++++++++++++
  6 files changed, 87 insertions(+)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 29199f2b3d..3fd8ebe2d3 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -4376,3 +4376,32 @@ void radv_CmdSetDeviceMask(VkCommandBuffer commandBuffer,
  {
     /* No-op */
  }
+
+/* VK_EXT_conditional_rendering */
+void vkCmdBeginConditionalRenderingEXT(
+       VkCommandBuffer                             commandBuffer,
+       const VkConditionalRenderingBeginInfoEXT*   pConditionalRenderingBegin)
+{
+       RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
+       RADV_FROM_HANDLE(radv_buffer, buffer, 
pConditionalRenderingBegin->buffer);
+       bool inverted;
+       uint64_t va;
+
+       va = radv_buffer_get_va(buffer->bo) + 
pConditionalRenderingBegin->offset;
+
+       inverted = pConditionalRenderingBegin->flags & 
VK_CONDITIONAL_RENDERING_INVERTED_BIT_EXT;
+
+       /* Enable predication for this command buffer. */
+       si_emit_set_predication_state(cmd_buffer, inverted, va);
+       cmd_buffer->state.predicating = true;
+}
+
+void vkCmdEndConditionalRenderingEXT(
+       VkCommandBuffer                             commandBuffer)
+{
+       RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
+
+       /* Disable predication for this command buffer. */
+       si_emit_set_predication_state(cmd_buffer, false, 0);
+       cmd_buffer->state.predicating = false;
+}
diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index ad3465f594..06d70d305a 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -806,6 +806,13 @@ void radv_GetPhysicalDeviceFeatures2(
                         features->runtimeDescriptorArray = true;
                         break;
                 }
+               case 
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CONDITIONAL_RENDERING_FEATURES_EXT: {
+                       VkPhysicalDeviceConditionalRenderingFeaturesEXT 
*features =
+                               
(VkPhysicalDeviceConditionalRenderingFeaturesEXT*)ext;
+                       features->conditionalRendering = true;
+                       features->inheritedConditionalRendering = false;
+                       break;
+               }
                 default:
                         break;
                 }
diff --git a/src/amd/vulkan/radv_extensions.py 
b/src/amd/vulkan/radv_extensions.py
index a0f1038110..6ddbabf26e 100644
--- a/src/amd/vulkan/radv_extensions.py
+++ b/src/amd/vulkan/radv_extensions.py
@@ -89,6 +89,7 @@ EXTENSIONS = [
      Extension('VK_KHR_display',                          23, 
'VK_USE_PLATFORM_DISPLAY_KHR'),
      Extension('VK_EXT_direct_mode_display',               1, 
'VK_USE_PLATFORM_DISPLAY_KHR'),
      Extension('VK_EXT_acquire_xlib_display',              1, 
'VK_USE_PLATFORM_XLIB_XRANDR_EXT'),
+    Extension('VK_EXT_conditional_rendering',             1, True),
      Extension('VK_EXT_display_surface_counter',           1, 
'VK_USE_PLATFORM_DISPLAY_KHR'),
      Extension('VK_EXT_display_control',                   1, 
'VK_USE_PLATFORM_DISPLAY_KHR'),
      Extension('VK_EXT_debug_report',                      9, True),
diff --git a/src/amd/vulkan/radv_meta_blit.c b/src/amd/vulkan/radv_meta_blit.c
index a6ee0cb7e9..67c26aabdb 100644
--- a/src/amd/vulkan/radv_meta_blit.c
+++ b/src/amd/vulkan/radv_meta_blit.c
@@ -520,6 +520,7 @@ void radv_CmdBlitImage(
         RADV_FROM_HANDLE(radv_image, src_image, srcImage);
         RADV_FROM_HANDLE(radv_image, dest_image, destImage);
         struct radv_meta_saved_state saved_state;
+       bool old_predicating;

         /* From the Vulkan 1.0 spec:
          *
@@ -534,6 +535,12 @@ void radv_CmdBlitImage(
                        RADV_META_SAVE_CONSTANTS |
                        RADV_META_SAVE_DESCRIPTORS);

+       /* VK_EXT_conditional_rendering says that blit commands should not be
+        * affected by conditional rendering.
+        */
+       old_predicating = cmd_buffer->state.predicating;
+       cmd_buffer->state.predicating = false;
+
         for (unsigned r = 0; r < regionCount; r++) {
                 const VkImageSubresourceLayers *src_res = 
&pRegions[r].srcSubresource;
                 const VkImageSubresourceLayers *dst_res = 
&pRegions[r].dstSubresource;
@@ -648,6 +655,9 @@ void radv_CmdBlitImage(
                 }
         }

+       /* Restore conditional rendering. */
+       cmd_buffer->state.predicating = old_predicating;
+
         radv_meta_restore(&saved_state, cmd_buffer);
  }

diff --git a/src/amd/vulkan/radv_meta_buffer.c 
b/src/amd/vulkan/radv_meta_buffer.c
index 2e1ba2c7b2..a45a6d5aac 100644
--- a/src/amd/vulkan/radv_meta_buffer.c
+++ b/src/amd/vulkan/radv_meta_buffer.c
@@ -472,6 +472,13 @@ void radv_CmdCopyBuffer(
         RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
         RADV_FROM_HANDLE(radv_buffer, src_buffer, srcBuffer);
         RADV_FROM_HANDLE(radv_buffer, dest_buffer, destBuffer);
+       bool old_predicating;
+
+       /* VK_EXT_conditional_rendering says that copy commands should not be
+        * affected by conditional rendering.
+        */
+       old_predicating = cmd_buffer->state.predicating;
+       cmd_buffer->state.predicating = false;

         for (unsigned r = 0; r < regionCount; r++) {
                 uint64_t src_offset = src_buffer->offset + 
pRegions[r].srcOffset;
@@ -481,6 +488,9 @@ void radv_CmdCopyBuffer(
                 radv_copy_buffer(cmd_buffer, src_buffer->bo, dest_buffer->bo,
                                  src_offset, dest_offset, copy_size);
         }
+
+       /* Restore conditional rendering. */
+       cmd_buffer->state.predicating = old_predicating;
  }

  void radv_CmdUpdateBuffer(
diff --git a/src/amd/vulkan/radv_meta_copy.c b/src/amd/vulkan/radv_meta_copy.c
index 3442b49fb9..f4de5528ed 100644
--- a/src/amd/vulkan/radv_meta_copy.c
+++ b/src/amd/vulkan/radv_meta_copy.c
@@ -117,6 +117,7 @@ meta_copy_buffer_to_image(struct radv_cmd_buffer 
*cmd_buffer,
  {
         bool cs = cmd_buffer->queue_family_index == RADV_QUEUE_COMPUTE;
         struct radv_meta_saved_state saved_state;
+       bool old_predicating;

         /* The Vulkan 1.0 spec says "dstImage must have a sample count equal to
          * VK_SAMPLE_COUNT_1_BIT."
@@ -129,6 +130,12 @@ meta_copy_buffer_to_image(struct radv_cmd_buffer 
*cmd_buffer,
                        RADV_META_SAVE_CONSTANTS |
                        RADV_META_SAVE_DESCRIPTORS);

+       /* VK_EXT_conditional_rendering says that copy commands should not be
+        * affected by conditional rendering.
+        */
+       old_predicating = cmd_buffer->state.predicating;
+       cmd_buffer->state.predicating = false;
+
         for (unsigned r = 0; r < regionCount; r++) {

                 /**
@@ -208,6 +215,9 @@ meta_copy_buffer_to_image(struct radv_cmd_buffer 
*cmd_buffer,
                 }
         }

+       /* Restore conditional rendering. */
+       cmd_buffer->state.predicating = old_predicating;
+
         radv_meta_restore(&saved_state, cmd_buffer);
  }

@@ -236,12 +246,19 @@ meta_copy_image_to_buffer(struct radv_cmd_buffer 
*cmd_buffer,
                            const VkBufferImageCopy* pRegions)
  {
         struct radv_meta_saved_state saved_state;
+       bool old_predicating;

         radv_meta_save(&saved_state, cmd_buffer,
                        RADV_META_SAVE_COMPUTE_PIPELINE |
                        RADV_META_SAVE_CONSTANTS |
                        RADV_META_SAVE_DESCRIPTORS);

+       /* VK_EXT_conditional_rendering says that copy commands should not be
+        * affected by conditional rendering.
+        */
+       old_predicating = cmd_buffer->state.predicating;
+       cmd_buffer->state.predicating = false;
+
         for (unsigned r = 0; r < regionCount; r++) {

                 /**
@@ -313,6 +330,9 @@ meta_copy_image_to_buffer(struct radv_cmd_buffer 
*cmd_buffer,
                 }
         }

+       /* Restore conditional rendering. */
+       cmd_buffer->state.predicating = old_predicating;
+
         radv_meta_restore(&saved_state, cmd_buffer);
  }

@@ -344,6 +364,7 @@ meta_copy_image(struct radv_cmd_buffer *cmd_buffer,
  {
         bool cs = cmd_buffer->queue_family_index == RADV_QUEUE_COMPUTE;
         struct radv_meta_saved_state saved_state;
+       bool old_predicating;

         /* From the Vulkan 1.0 spec:
          *
@@ -358,6 +379,12 @@ meta_copy_image(struct radv_cmd_buffer *cmd_buffer,
                        RADV_META_SAVE_CONSTANTS |
                        RADV_META_SAVE_DESCRIPTORS);

+       /* VK_EXT_conditional_rendering says that copy commands should not be
+        * affected by conditional rendering.
+        */
+       old_predicating = cmd_buffer->state.predicating;
+       cmd_buffer->state.predicating = false;
+
         for (unsigned r = 0; r < regionCount; r++) {
                 assert(pRegions[r].srcSubresource.aspectMask ==
                        pRegions[r].dstSubresource.aspectMask);
@@ -465,6 +492,9 @@ meta_copy_image(struct radv_cmd_buffer *cmd_buffer,
                 }
         }

+       /* Restore conditional rendering. */
+       cmd_buffer->state.predicating = old_predicating;
+
         radv_meta_restore(&saved_state, cmd_buffer);
  }

--
2.18.0

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