diff options
author | Dave Airlie <airlied@redhat.com> | 2015-06-25 03:55:54 +0100 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2015-06-27 00:24:30 +0100 |
commit | 556dd4af76ca0be9b0698139c06e6d12d52e8ff3 (patch) | |
tree | 9645a73549767ea3abb0e8b1f5d5585b0e361668 /src/gallium/drivers/radeonsi | |
parent | 7e5064360c03b8dbdd60298b46e1595418c6cea3 (diff) |
radeonsi: add support for geometry shader invocations.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'src/gallium/drivers/radeonsi')
-rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 5 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.h | 1 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 1 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_state_shaders.c | 7 |
4 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 4ca31728dff..4d97b58aec8 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -630,6 +630,11 @@ static void declare_system_value( SI_PARAM_BASE_VERTEX); break; + case TGSI_SEMANTIC_INVOCATIONID: + value = LLVMGetParam(radeon_bld->main_fn, + SI_PARAM_GS_INSTANCE_ID); + break; + case TGSI_SEMANTIC_SAMPLEID: value = get_sample_id(radeon_bld); break; diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h index 51055afe36a..b4339ae2b36 100644 --- a/src/gallium/drivers/radeonsi/si_shader.h +++ b/src/gallium/drivers/radeonsi/si_shader.h @@ -115,6 +115,7 @@ struct si_shader_selector { unsigned gs_output_prim; unsigned gs_max_out_vertices; + unsigned gs_num_invocations; uint64_t gs_used_inputs; /* mask of "get_unique_index" bits */ }; diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 752467bcfd7..0dd08a248f4 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -3078,7 +3078,6 @@ void si_init_config(struct si_context *sctx) si_pm4_set_reg(pm4, R_028B60_VGT_GS_VERT_ITEMSIZE_1, 0); si_pm4_set_reg(pm4, R_028B64_VGT_GS_VERT_ITEMSIZE_2, 0); si_pm4_set_reg(pm4, R_028B68_VGT_GS_VERT_ITEMSIZE_3, 0); - si_pm4_set_reg(pm4, R_028B90_VGT_GS_INSTANCE_CNT, 0); si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0); si_pm4_set_reg(pm4, R_028AB4_VGT_REUSE_OFF, 0); diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c index 48128fa44e1..eef3baad164 100644 --- a/src/gallium/drivers/radeonsi/si_state_shaders.c +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c @@ -76,6 +76,7 @@ static void si_shader_gs(struct si_shader *shader) unsigned gs_vert_itemsize = shader->selector->info.num_outputs * (16 >> 2); unsigned gs_max_vert_out = shader->selector->gs_max_out_vertices; unsigned gsvs_itemsize = gs_vert_itemsize * gs_max_vert_out; + unsigned gs_num_invocations = shader->selector->gs_num_invocations; unsigned cut_mode; struct si_pm4_state *pm4; unsigned num_sgprs, num_user_sgprs; @@ -118,6 +119,10 @@ static void si_shader_gs(struct si_shader *shader) si_pm4_set_reg(pm4, R_028B5C_VGT_GS_VERT_ITEMSIZE, gs_vert_itemsize); + si_pm4_set_reg(pm4, R_028B90_VGT_GS_INSTANCE_CNT, + S_028B90_CNT(MIN2(gs_num_invocations, 127)) | + S_028B90_ENABLE(gs_num_invocations > 0)); + va = shader->bo->gpu_address; si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA); si_pm4_set_reg(pm4, R_00B220_SPI_SHADER_PGM_LO_GS, va >> 8); @@ -490,6 +495,8 @@ static void *si_create_shader_state(struct pipe_context *ctx, sel->info.properties[TGSI_PROPERTY_GS_OUTPUT_PRIM]; sel->gs_max_out_vertices = sel->info.properties[TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES]; + sel->gs_num_invocations = + sel->info.properties[TGSI_PROPERTY_GS_INVOCATIONS]; for (i = 0; i < sel->info.num_inputs; i++) { unsigned name = sel->info.input_semantic_name[i]; |