diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_generator.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp index 2541c25c6b8..5d91e0f5260 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp @@ -716,6 +716,9 @@ generate_gs_set_primitive_id(struct brw_codegen *p, struct brw_reg dst) static void generate_tcs_get_instance_id(struct brw_codegen *p, struct brw_reg dst) { + const struct brw_device_info *devinfo = p->devinfo; + const bool ivb = devinfo->is_ivybridge || devinfo->is_baytrail; + /* "Instance Count" comes as part of the payload in r0.2 bits 23:17. * * Since we operate in SIMD4x2 mode, we need run half as many threads @@ -728,8 +731,8 @@ generate_tcs_get_instance_id(struct brw_codegen *p, struct brw_reg dst) brw_push_insn_state(p); brw_set_default_access_mode(p, BRW_ALIGN_1); - const int mask = INTEL_MASK(23, 17); - const int shift = 17; + const int mask = ivb ? INTEL_MASK(22, 16) : INTEL_MASK(23, 17); + const int shift = ivb ? 16 : 17; brw_AND(p, get_element_ud(dst, 0), get_element_ud(r0, 2), brw_imm_ud(mask)); brw_SHR(p, get_element_ud(dst, 0), get_element_ud(dst, 0), |