radv: Use correct clear words for HTILE.
authorBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Sat, 20 May 2017 21:45:56 +0000 (23:45 +0200)
committerBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Mon, 22 May 2017 18:07:21 +0000 (20:07 +0200)
Did some RE'ing what several HTILE words give when read from a descriptor
with HTILE compression enabled.

Seems to align with -pro usage for D16 too.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
src/amd/vulkan/radv_cmd_buffer.c

index d0101259fb16ed4259f737639c125b766c8abf0a..eff0fd68c9f5ca23c6bec8e4510d37337c24f306 100644 (file)
@@ -2971,10 +2971,16 @@ void radv_CmdEndRenderPass(
        cmd_buffer->state.framebuffer = NULL;
 }
 
-
+/*
+ * For HTILE we have the following interesting clear words:
+ *   0x0000030f: Uncompressed.
+ *   0xfffffff0: Clear depth to 1.0
+ *   0x00000000: Clear depth to 0.0
+ */
 static void radv_initialize_htile(struct radv_cmd_buffer *cmd_buffer,
                                   struct radv_image *image,
-                                  const VkImageSubresourceRange *range)
+                                  const VkImageSubresourceRange *range,
+                                  uint32_t clear_word)
 {
        assert(range->baseMipLevel == 0);
        assert(range->levelCount == 1 || range->levelCount == VK_REMAINING_ARRAY_LAYERS);
@@ -2986,7 +2992,7 @@ static void radv_initialize_htile(struct radv_cmd_buffer *cmd_buffer,
        cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_DB |
                                        RADV_CMD_FLAG_FLUSH_AND_INV_DB_META;
 
-       radv_fill_buffer(cmd_buffer, image->bo, offset, size, 0xffffffff);
+       radv_fill_buffer(cmd_buffer, image->bo, offset, size, clear_word);
 
        cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_DB_META |
                                        RADV_CMD_FLAG_CS_PARTIAL_FLUSH |
@@ -3013,7 +3019,10 @@ static void radv_handle_depth_image_transition(struct radv_cmd_buffer *cmd_buffe
        } else if (src_layout == VK_IMAGE_LAYOUT_UNDEFINED &&
                   radv_layout_has_htile(image, dst_layout, dst_queue_mask)) {
                /* TODO: merge with the clear if applicable */
-               radv_initialize_htile(cmd_buffer, image, range);
+               radv_initialize_htile(cmd_buffer, image, range, 0);
+       } else if (!radv_layout_is_htile_compressed(image, src_layout, src_queue_mask) &&
+                  radv_layout_is_htile_compressed(image, dst_layout, dst_queue_mask)) {
+               radv_initialize_htile(cmd_buffer, image, range, 0x0000030f);
        } else if (radv_layout_is_htile_compressed(image, src_layout, src_queue_mask) &&
                   !radv_layout_is_htile_compressed(image, dst_layout, dst_queue_mask)) {
                VkImageSubresourceRange local_range = *range;