radeonsi/gfx9: disallow scratch buffer for LS-HS and ES-GS

not implemented yet

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index b2cdcb7194402f268efd0e2a68428df353c6fd39..aff3acf25f90a3332d4f5e2c6f5466204c0ce889 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -491,6 +491,11 @@ static void si_shader_hs(struct si_screen *sscreen, struct si_shader *shader)
                 * VGPR0-3: (VertexID, RelAutoindex, ???, InstanceID). */
                ls_vgpr_comp_cnt = shader->info.uses_instanceid ? 3 : 1;
 
+               if (shader->config.scratch_bytes_per_wave) {
+                       fprintf(stderr, "HS: scratch buffer unsupported");
+                       abort();
+               }
+
                shader->config.rsrc2 =
                        S_00B42C_USER_SGPR(GFX9_TCS_NUM_USER_SGPR) |
                        S_00B42C_USER_SGPR_MSB(GFX9_TCS_NUM_USER_SGPR >> 5) |
@@ -796,6 +801,11 @@ static void si_shader_gs(struct si_screen *sscreen, struct si_shader *shader)
                               S_028A94_MAX_PRIMS_PER_SUBGROUP(gs_info.max_prims_per_subgroup));
                si_pm4_set_reg(pm4, R_028AAC_VGT_ESGS_RING_ITEMSIZE,
                               shader->key.part.gs.es->esgs_itemsize / 4);
+
+               if (shader->config.scratch_bytes_per_wave) {
+                       fprintf(stderr, "GS: scratch buffer unsupported");
+                       abort();
+               }
        } else {
                si_pm4_set_reg(pm4, R_00B220_SPI_SHADER_PGM_LO_GS, va >> 8);
                si_pm4_set_reg(pm4, R_00B224_SPI_SHADER_PGM_HI_GS, va >> 40);