diff options
author | Dave Airlie <[email protected]> | 2017-03-30 08:10:46 +0100 |
---|---|---|
committer | Dave Airlie <[email protected]> | 2017-04-01 07:15:51 +1000 |
commit | aeb49bc2b9e1d6f98b760a8cc3f208418b7f4349 (patch) | |
tree | 84a3ea4f699cd6897f1753d73225378fe975b44a /src/amd/vulkan/radv_cmd_buffer.c | |
parent | 46a820b383350bfaabde990e81f2086b040e0d13 (diff) |
radv: port polaris vgt vertex reuse workaround.
This ports the VGT_VERTEX_REUSE register settings
for Polaris GPUs from radeonsi.
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/amd/vulkan/radv_cmd_buffer.c')
-rw-r--r-- | src/amd/vulkan/radv_cmd_buffer.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c index 7d568e8c352..1116f24b1da 100644 --- a/src/amd/vulkan/radv_cmd_buffer.c +++ b/src/amd/vulkan/radv_cmd_buffer.c @@ -716,6 +716,21 @@ radv_emit_fragment_shader(struct radv_cmd_buffer *cmd_buffer, } } +static void polaris_set_vgt_vertex_reuse(struct radv_cmd_buffer *cmd_buffer, + struct radv_pipeline *pipeline) +{ + uint32_t vtx_reuse_depth = 30; + if (cmd_buffer->device->physical_device->rad_info.family < CHIP_POLARIS10) + return; + + if (pipeline->shaders[MESA_SHADER_TESS_EVAL]) { + if (pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.spacing == TESS_SPACING_FRACTIONAL_ODD) + vtx_reuse_depth = 14; + } + radeon_set_context_reg(cmd_buffer->cs, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, + vtx_reuse_depth); +} + static void radv_emit_graphics_pipeline(struct radv_cmd_buffer *cmd_buffer, struct radv_pipeline *pipeline) @@ -730,6 +745,7 @@ radv_emit_graphics_pipeline(struct radv_cmd_buffer *cmd_buffer, radv_emit_vertex_shader(cmd_buffer, pipeline); radv_emit_geometry_shader(cmd_buffer, pipeline); radv_emit_fragment_shader(cmd_buffer, pipeline); + polaris_set_vgt_vertex_reuse(cmd_buffer, pipeline); radeon_set_context_reg(cmd_buffer->cs, R_028A94_VGT_MULTI_PRIM_IB_RESET_EN, pipeline->graphics.prim_restart_enable); |