commit f6a21fccf9255cb989c4cc822181c8dce6e4a920
author Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Tue Jun 28 00:37:02 2022 +0200
committer Marge Bot <emma+marge@anholt.net> Fri Jul 15 14:45:13 2022 +0000
tree bfdcd74c97d7bf4720d08ed03671cce13a233362
parent b213de12d382905e44cb847047463cc1c76caa28

radv: Expose helper for base pa_su_sc_mode_cntl.

So that we can feed it to the DGC shader for front face overrides.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17269>

src/amd/vulkan/radv_cmd_buffer.c

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index edddfd4..8e5691f 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -1576,11 +1576,11 @@
                              S_028A0C_AUTO_RESET_CNTL(auto_reset_cntl));
 }
 
-static void
-radv_emit_culling(struct radv_cmd_buffer *cmd_buffer, uint64_t states)
+uint32_t
+radv_get_pa_su_sc_mode_cntl(const struct radv_cmd_buffer *cmd_buffer)
 {
    unsigned pa_su_sc_mode_cntl = cmd_buffer->state.graphics_pipeline->pa_su_sc_mode_cntl;
-   struct radv_dynamic_state *d = &cmd_buffer->state.dynamic;
+   const struct radv_dynamic_state *d = &cmd_buffer->state.dynamic;
 
    pa_su_sc_mode_cntl &= C_028814_CULL_FRONT &
                          C_028814_CULL_BACK &
@@ -1595,6 +1595,13 @@
                          S_028814_POLY_OFFSET_FRONT_ENABLE(d->depth_bias_enable) |
                          S_028814_POLY_OFFSET_BACK_ENABLE(d->depth_bias_enable) |
                          S_028814_POLY_OFFSET_PARA_ENABLE(d->depth_bias_enable);
+   return pa_su_sc_mode_cntl;
+}
+
+static void
+radv_emit_culling(struct radv_cmd_buffer *cmd_buffer, uint64_t states)
+{
+   unsigned pa_su_sc_mode_cntl = radv_get_pa_su_sc_mode_cntl(cmd_buffer);
 
    radeon_set_context_reg(cmd_buffer->cs, R_028814_PA_SU_SC_MODE_CNTL, pa_su_sc_mode_cntl);
 }

src/amd/vulkan/radv_private.h

diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index a72f306..51ac906 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -1680,6 +1680,7 @@
 void si_cp_dma_wait_for_idle(struct radv_cmd_buffer *cmd_buffer);
 
 void radv_set_db_count_control(struct radv_cmd_buffer *cmd_buffer, bool enable_occlusion_queries);
+uint32_t radv_get_pa_su_sc_mode_cntl(const struct radv_cmd_buffer *cmd_buffer);
 
 unsigned radv_instance_rate_prolog_index(unsigned num_attributes, uint32_t instance_rate_inputs);
 uint32_t radv_hash_vs_prolog(const void *key_);