radv: add tess shader stage user data support.

This just adds support for tess to the shader stage conversion
and emits the per-stage descriptors/constants for tess stages.

Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

1 files changed, 38 insertions, 7 deletions

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index e50245251fb..e0667047a9d 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -376,17 +376,27 @@ static unsigned radv_pack_float_12p4(float x)
 }
 
 static uint32_t
-shader_stage_to_user_data_0(gl_shader_stage stage, bool has_gs)
+shader_stage_to_user_data_0(gl_shader_stage stage, bool has_gs, bool has_tess)
 {
 	switch (stage) {
 	case MESA_SHADER_FRAGMENT:
 		return R_00B030_SPI_SHADER_USER_DATA_PS_0;
 	case MESA_SHADER_VERTEX:
-		return has_gs ? R_00B330_SPI_SHADER_USER_DATA_ES_0 : R_00B130_SPI_SHADER_USER_DATA_VS_0;
+		if (has_tess)
+			return R_00B530_SPI_SHADER_USER_DATA_LS_0;
+		else
+			return has_gs ? R_00B330_SPI_SHADER_USER_DATA_ES_0 : R_00B130_SPI_SHADER_USER_DATA_VS_0;
 	case MESA_SHADER_GEOMETRY:
 		return R_00B230_SPI_SHADER_USER_DATA_GS_0;
 	case MESA_SHADER_COMPUTE:
 		return R_00B900_COMPUTE_USER_DATA_0;
+	case MESA_SHADER_TESS_CTRL:
+		return R_00B430_SPI_SHADER_USER_DATA_HS_0;
+	case MESA_SHADER_TESS_EVAL:
+		if (has_gs)
+			return R_00B330_SPI_SHADER_USER_DATA_ES_0;
+		else
+			return R_00B130_SPI_SHADER_USER_DATA_VS_0;
 	default:
 		unreachable("unknown shader");
 	}
@@ -407,7 +417,7 @@ radv_emit_userdata_address(struct radv_cmd_buffer *cmd_buffer,
 			   int idx, uint64_t va)
 {
 	struct ac_userdata_info *loc = radv_lookup_user_sgpr(pipeline, stage, idx);
-	uint32_t base_reg = shader_stage_to_user_data_0(stage, radv_pipeline_has_gs(pipeline));
+	uint32_t base_reg = shader_stage_to_user_data_0(stage, radv_pipeline_has_gs(pipeline), radv_pipeline_has_tess(pipeline));
 	if (loc->sgpr_idx == -1)
 		return;
 	assert(loc->num_sgprs == 2);
@@ -1112,7 +1122,7 @@ emit_stage_descriptor_set_userdata(struct radv_cmd_buffer *cmd_buffer,
 				   gl_shader_stage stage)
 {
 	struct ac_userdata_info *desc_set_loc = &pipeline->shaders[stage]->info.user_sgprs_locs.descriptor_sets[idx];
-	uint32_t base_reg = shader_stage_to_user_data_0(stage, radv_pipeline_has_gs(pipeline));
+	uint32_t base_reg = shader_stage_to_user_data_0(stage, radv_pipeline_has_gs(pipeline), radv_pipeline_has_tess(pipeline));
 
 	if (desc_set_loc->sgpr_idx == -1)
 		return;
@@ -1147,6 +1157,16 @@ radv_emit_descriptor_set_userdata(struct radv_cmd_buffer *cmd_buffer,
 						   idx, set->va,
 						   MESA_SHADER_GEOMETRY);
 
+	if ((stages & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT) && radv_pipeline_has_tess(pipeline))
+		emit_stage_descriptor_set_userdata(cmd_buffer, pipeline,
+						   idx, set->va,
+						   MESA_SHADER_TESS_CTRL);
+
+	if ((stages & VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT) && radv_pipeline_has_tess(pipeline))
+		emit_stage_descriptor_set_userdata(cmd_buffer, pipeline,
+						   idx, set->va,
+						   MESA_SHADER_TESS_EVAL);
+
 	if (stages & VK_SHADER_STAGE_COMPUTE_BIT)
 		emit_stage_descriptor_set_userdata(cmd_buffer, pipeline,
 						   idx, set->va,
@@ -1212,6 +1232,14 @@ radv_flush_constants(struct radv_cmd_buffer *cmd_buffer,
 		radv_emit_userdata_address(cmd_buffer, pipeline, MESA_SHADER_GEOMETRY,
 					   AC_UD_PUSH_CONSTANTS, va);
 
+	if ((stages & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT) && radv_pipeline_has_tess(pipeline))
+		radv_emit_userdata_address(cmd_buffer, pipeline, MESA_SHADER_TESS_CTRL,
+					   AC_UD_PUSH_CONSTANTS, va);
+
+	if ((stages & VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT) && radv_pipeline_has_tess(pipeline))
+		radv_emit_userdata_address(cmd_buffer, pipeline, MESA_SHADER_TESS_EVAL,
+					   AC_UD_PUSH_CONSTANTS, va);
+
 	if (stages & VK_SHADER_STAGE_COMPUTE_BIT)
 		radv_emit_userdata_address(cmd_buffer, pipeline, MESA_SHADER_COMPUTE,
 					   AC_UD_PUSH_CONSTANTS, va);
@@ -2200,7 +2228,8 @@ void radv_CmdDraw(
 	struct ac_userdata_info *loc = radv_lookup_user_sgpr(cmd_buffer->state.pipeline, MESA_SHADER_VERTEX,
 							     AC_UD_VS_BASE_VERTEX_START_INSTANCE);
 	if (loc->sgpr_idx != -1) {
-		uint32_t base_reg = shader_stage_to_user_data_0(MESA_SHADER_VERTEX, radv_pipeline_has_gs(cmd_buffer->state.pipeline));
+		uint32_t base_reg = shader_stage_to_user_data_0(MESA_SHADER_VERTEX, radv_pipeline_has_gs(cmd_buffer->state.pipeline),
+								radv_pipeline_has_tess(cmd_buffer->state.pipeline));
 		radeon_set_sh_reg_seq(cmd_buffer->cs, base_reg + loc->sgpr_idx * 4, 3);
 		radeon_emit(cmd_buffer->cs, firstVertex);
 		radeon_emit(cmd_buffer->cs, firstInstance);
@@ -2255,7 +2284,8 @@ void radv_CmdDrawIndexed(
 	struct ac_userdata_info *loc = radv_lookup_user_sgpr(cmd_buffer->state.pipeline, MESA_SHADER_VERTEX,
 							     AC_UD_VS_BASE_VERTEX_START_INSTANCE);
 	if (loc->sgpr_idx != -1) {
-		uint32_t base_reg = shader_stage_to_user_data_0(MESA_SHADER_VERTEX, radv_pipeline_has_gs(cmd_buffer->state.pipeline));
+		uint32_t base_reg = shader_stage_to_user_data_0(MESA_SHADER_VERTEX, radv_pipeline_has_gs(cmd_buffer->state.pipeline),
+								radv_pipeline_has_tess(cmd_buffer->state.pipeline));
 		radeon_set_sh_reg_seq(cmd_buffer->cs, base_reg + loc->sgpr_idx * 4, 3);
 		radeon_emit(cmd_buffer->cs, vertexOffset);
 		radeon_emit(cmd_buffer->cs, firstInstance);
@@ -2308,7 +2338,8 @@ radv_emit_indirect_draw(struct radv_cmd_buffer *cmd_buffer,
 
 	struct ac_userdata_info *loc = radv_lookup_user_sgpr(cmd_buffer->state.pipeline, MESA_SHADER_VERTEX,
 							     AC_UD_VS_BASE_VERTEX_START_INSTANCE);
-	uint32_t base_reg = shader_stage_to_user_data_0(MESA_SHADER_VERTEX, radv_pipeline_has_gs(cmd_buffer->state.pipeline));
+	uint32_t base_reg = shader_stage_to_user_data_0(MESA_SHADER_VERTEX, radv_pipeline_has_gs(cmd_buffer->state.pipeline),
+							radv_pipeline_has_tess(cmd_buffer->state.pipeline));
 	assert(loc->sgpr_idx != -1);
 	radeon_emit(cs, PKT3(PKT3_SET_BASE, 2, 0));
 	radeon_emit(cs, 1);