[Mesa-dev] [PATCH 3/5] radeonsi: calculate ESGS_RING_ITEMSIZE in create_shader

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_shader.h        | 1 +
 src/gallium/drivers/radeonsi/si_state_shaders.c | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h
index ec2d8c5..1f4f0de 100644
--- a/src/gallium/drivers/radeonsi/si_shader.h
+++ b/src/gallium/drivers/radeonsi/si_shader.h
@@ -201,6 +201,7 @@ struct si_shader_selector {
 	bool		forces_persample_interp_for_persp;
 	bool		forces_persample_interp_for_linear;
 
+	unsigned	esgs_itemsize;
 	unsigned	gs_output_prim;
 	unsigned	gs_max_out_vertices;
 	unsigned	gs_num_invocations;
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index b565923..89d365b 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -195,7 +195,7 @@ static void si_shader_es(struct si_shader *shader)
 	assert(num_sgprs <= 104);
 
 	si_pm4_set_reg(pm4, R_028AAC_VGT_ESGS_RING_ITEMSIZE,
-		       util_last_bit64(shader->selector->outputs_written) * 4);
+		       shader->selector->esgs_itemsize / 4);
 	si_pm4_set_reg(pm4, R_00B320_SPI_SHADER_PGM_LO_ES, va >> 8);
 	si_pm4_set_reg(pm4, R_00B324_SPI_SHADER_PGM_HI_ES, va >> 40);
 	si_pm4_set_reg(pm4, R_00B328_SPI_SHADER_PGM_RSRC1_ES,
@@ -724,6 +724,7 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
 					1llu << si_shader_io_get_unique_index(name, index);
 			}
 		}
+		sel->esgs_itemsize = util_last_bit64(sel->outputs_written) * 16;
 		break;
 	case PIPE_SHADER_FRAGMENT:
 		for (i = 0; i < sel->info.num_outputs; i++) {
-- 
2.1.4