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radv/ac: handle geom shader sgpr/vgpr inputs

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This just sets up the gpr inputs.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-01-18 15:22:44 +10:00
parent 374e978438
commit ca91db2402
2 changed files with 41 additions and 0 deletions
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39
src/amd/common/ac_nir_to_llvm.c
View file

@ -86,6 +86,13 @@ struct nir_to_llvm_context {
LLVMValueRef vs_prim_id;
LLVMValueRef instance_id;
LLVMValueRef gsvs_ring_stride;
LLVMValueRef gsvs_num_entries;
LLVMValueRef gs2vs_offset;
LLVMValueRef gs_wave_id;
LLVMValueRef gs_vtx_offset[6];
LLVMValueRef gs_prim_id, gs_invocation_id;
LLVMValueRef prim_mask;
LLVMValueRef sample_positions;
LLVMValueRef persp_sample, persp_center, persp_centroid;
@ -435,6 +442,22 @@ static void create_function(struct nir_to_llvm_context *ctx)
arg_types[arg_idx++] = ctx->i32; // vs prim id
arg_types[arg_idx++] = ctx->i32; // instance id
break;
case MESA_SHADER_GEOMETRY:
arg_types[arg_idx++] = ctx->i32; // gsvs stride
arg_types[arg_idx++] = ctx->i32; // gsvs num entires
user_sgpr_count = arg_idx;
arg_types[arg_idx++] = ctx->i32; // gs2vs offset
arg_types[arg_idx++] = ctx->i32; // wave id
sgpr_count = arg_idx;
arg_types[arg_idx++] = ctx->i32; // vtx0
arg_types[arg_idx++] = ctx->i32; // vtx1
arg_types[arg_idx++] = ctx->i32; // prim id
arg_types[arg_idx++] = ctx->i32; // vtx2
arg_types[arg_idx++] = ctx->i32; // vtx3
arg_types[arg_idx++] = ctx->i32; // vtx4
arg_types[arg_idx++] = ctx->i32; // vtx5
arg_types[arg_idx++] = ctx->i32; // GS instance id
break;
case MESA_SHADER_FRAGMENT:
arg_types[arg_idx++] = const_array(ctx->f32, 32); /* sample positions */
user_sgpr_count = arg_idx;
@ -531,6 +554,22 @@ static void create_function(struct nir_to_llvm_context *ctx)
ctx->vs_prim_id = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->instance_id = LLVMGetParam(ctx->main_function, arg_idx++);
break;
case MESA_SHADER_GEOMETRY:
set_userdata_location_shader(ctx, AC_UD_GS_VS_RING_STRIDE_ENTRIES, user_sgpr_idx, 2);
user_sgpr_idx += 2;
ctx->gsvs_ring_stride = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gsvs_num_entries = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs2vs_offset = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_wave_id = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_vtx_offset[0] = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_vtx_offset[1] = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_prim_id = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_vtx_offset[2] = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_vtx_offset[3] = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_vtx_offset[4] = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_vtx_offset[5] = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->gs_invocation_id = LLVMGetParam(ctx->main_function, arg_idx++);
break;
case MESA_SHADER_FRAGMENT:
set_userdata_location_shader(ctx, AC_UD_PS_SAMPLE_POS, user_sgpr_idx, 2);
user_sgpr_idx += 2;

2
src/amd/common/ac_nir_to_llvm.h
View file

@ -75,6 +75,8 @@ enum ac_ud_index {
AC_UD_PS_MAX_UD,
AC_UD_CS_GRID_SIZE = AC_UD_SHADER_START,
AC_UD_CS_MAX_UD,
AC_UD_GS_VS_RING_STRIDE_ENTRIES = AC_UD_SHADER_START,
AC_UD_GS_MAX_UD,
AC_UD_MAX_UD = AC_UD_VS_MAX_UD,
};