From: Dave Airlie <[email protected]> This is ported from amdvlk which sets the independent 64b blocks only for image which will sample dcc.
I'm not sure how to port this to radeonsi. Signed-off-by: Dave Airlie <[email protected]> --- src/amd/vulkan/radv_device.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c index c87d858a17..0d1494daf3 100644 --- a/src/amd/vulkan/radv_device.c +++ b/src/amd/vulkan/radv_device.c @@ -3163,6 +3163,8 @@ radv_initialise_color_surface(struct radv_device *device, if (device->physical_device->rad_info.chip_class >= VI) { unsigned max_uncompressed_block_size = V_028C78_MAX_BLOCK_SIZE_256B; unsigned min_compressed_block_size = V_028C78_MIN_BLOCK_SIZE_32B; + unsigned independent_64b_blocks = 0; + unsigned max_compressed_block_size; /* amdvlk: [min-compressed-block-size] should be set to 32 for dGPU and 64 for APU because all of our APUs to date use DIMMs which have @@ -3178,9 +3180,16 @@ radv_initialise_color_surface(struct radv_device *device, max_uncompressed_block_size = V_028C78_MAX_BLOCK_SIZE_128B; } + if (iview->image->usage & (VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT)) { + independent_64b_blocks = 1; + max_compressed_block_size = V_028C78_MAX_BLOCK_SIZE_64B; + } else + max_compressed_block_size = max_uncompressed_block_size; + cb->cb_dcc_control = S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size) | + S_028C78_MAX_COMPRESSED_BLOCK_SIZE(max_compressed_block_size) | S_028C78_MIN_COMPRESSED_BLOCK_SIZE(min_compressed_block_size) | - S_028C78_INDEPENDENT_64B_BLOCKS(1); + S_028C78_INDEPENDENT_64B_BLOCKS(independent_64b_blocks); } /* This must be set for fast clear to work without FMASK. */ -- 2.14.3 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
