From 4e701cf75c89dbe8dd731698f2652beb7863e69b Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Tue, 9 Jan 2018 16:01:10 +0100 Subject: [PATCH] radv/gfx9: calculate the number of ES VGPRs for merged shaders Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- src/amd/vulkan/radv_shader.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c index 58d991e4526..6f622dd9968 100644 --- a/src/amd/vulkan/radv_shader.c +++ b/src/amd/vulkan/radv_shader.c @@ -416,7 +416,15 @@ radv_fill_shader_variant(struct radv_device *device, stage == MESA_SHADER_GEOMETRY) { struct ac_shader_info *info = &variant->info.info; unsigned es_type = variant->info.gs.es_type; - unsigned gs_vgpr_comp_cnt; + unsigned gs_vgpr_comp_cnt, es_vgpr_comp_cnt; + + if (es_type == MESA_SHADER_VERTEX) { + es_vgpr_comp_cnt = variant->info.vs.vgpr_comp_cnt; + } else if (es_type == MESA_SHADER_TESS_EVAL) { + es_vgpr_comp_cnt = 3; + } else { + assert(!"invalid shader ES type"); + } /* If offsets 4, 5 are used, GS_VGPR_COMP_CNT is ignored and * VGPR[0:4] are always loaded. @@ -430,9 +438,8 @@ radv_fill_shader_variant(struct radv_device *device, else gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */ - /* TODO: Figure out how many we actually need. */ variant->rsrc1 |= S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt); - variant->rsrc2 |= S_00B22C_ES_VGPR_COMP_CNT(3) | + variant->rsrc2 |= S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt) | S_00B22C_OC_LDS_EN(es_type == MESA_SHADER_TESS_EVAL); } else if (device->physical_device->rad_info.chip_class >= GFX9 && stage == MESA_SHADER_TESS_CTRL) -- 2.30.2