diff options
Diffstat (limited to 'src/amd/common/ac_nir_to_llvm.c')
| -rw-r--r-- | src/amd/common/ac_nir_to_llvm.c | 81 |
1 files changed, 68 insertions, 13 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index 43d52952e11..a74b9065252 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -2980,7 +2980,7 @@ visit_emit_vertex(struct nir_to_llvm_context *ctx, LLVMValueRef gs_next_vertex; LLVMValueRef can_emit, kill; int idx; - + int clip_cull_slot = -1; assert(instr->const_index[0] == 0); /* Write vertex attribute values to GSVS ring */ gs_next_vertex = LLVMBuildLoad(ctx->builder, @@ -3005,13 +3005,40 @@ visit_emit_vertex(struct nir_to_llvm_context *ctx, idx = 0; for (unsigned i = 0; i < RADEON_LLVM_MAX_OUTPUTS; ++i) { LLVMValueRef *out_ptr = &ctx->outputs[i * 4]; + int length = 4; + int start = 0; + int slot = idx; + int slot_inc = 1; + if (!(ctx->output_mask & (1ull << i))) continue; - for (unsigned j = 0; j < 4; j++) { + if (i == VARYING_SLOT_CLIP_DIST1 || + i == VARYING_SLOT_CULL_DIST1) + continue; + + if (i == VARYING_SLOT_CLIP_DIST0 || + i == VARYING_SLOT_CULL_DIST0) { + /* pack clip and cull into a single set of slots */ + if (clip_cull_slot == -1) { + clip_cull_slot = idx; + if (ctx->num_output_clips + ctx->num_output_culls > 4) + slot_inc = 2; + } else { + slot = clip_cull_slot; + slot_inc = 0; + } + if (i == VARYING_SLOT_CLIP_DIST0) + length = ctx->num_output_clips; + if (i == VARYING_SLOT_CULL_DIST0) { + start = ctx->num_output_clips; + length = ctx->num_output_culls; + } + } + for (unsigned j = 0; j < length; j++) { LLVMValueRef out_val = LLVMBuildLoad(ctx->builder, out_ptr[j], ""); - LLVMValueRef voffset = LLVMConstInt(ctx->i32, (idx * 4 + j) * ctx->gs_max_out_vertices, false); + LLVMValueRef voffset = LLVMConstInt(ctx->i32, (slot * 4 + j + start) * ctx->gs_max_out_vertices, false); voffset = LLVMBuildAdd(ctx->builder, voffset, gs_next_vertex, ""); voffset = LLVMBuildMul(ctx->builder, voffset, LLVMConstInt(ctx->i32, 4, false), ""); @@ -3024,7 +3051,7 @@ visit_emit_vertex(struct nir_to_llvm_context *ctx, V_008F0C_BUF_NUM_FORMAT_UINT, 1, 0, 1, 1, 0); } - idx++; + idx += slot_inc; } gs_next_vertex = LLVMBuildAdd(ctx->builder, gs_next_vertex, @@ -4155,14 +4182,14 @@ handle_shader_output_decl(struct nir_to_llvm_context *ctx, if (idx == VARYING_SLOT_CLIP_DIST0 || idx == VARYING_SLOT_CULL_DIST0) { int length = glsl_get_length(variable->type); - if (ctx->stage == MESA_SHADER_VERTEX) { - if (idx == VARYING_SLOT_CLIP_DIST0) { + if (idx == VARYING_SLOT_CLIP_DIST0) { + if (ctx->stage == MESA_SHADER_VERTEX) ctx->shader_info->vs.clip_dist_mask = (1 << length) - 1; - ctx->num_output_clips = length; - } else if (idx == VARYING_SLOT_CULL_DIST0) { + ctx->num_output_clips = length; + } else if (idx == VARYING_SLOT_CULL_DIST0) { + if (ctx->stage == MESA_SHADER_VERTEX) ctx->shader_info->vs.cull_dist_mask = (1 << length) - 1; - ctx->num_output_culls = length; - } + ctx->num_output_culls = length; } if (length > 4) attrib_count = 2; @@ -5049,14 +5076,42 @@ ac_gs_copy_shader_emit(struct nir_to_llvm_context *ctx) args[8] = ctx->i32zero; /* TFE */ int idx = 0; + int clip_cull_slot = -1; for (unsigned i = 0; i < RADEON_LLVM_MAX_OUTPUTS; ++i) { + int length = 4; + int start = 0; + int slot = idx; + int slot_inc = 1; if (!(ctx->output_mask & (1ull << i))) continue; - for (unsigned j = 0; j < 4; j++) { + if (i == VARYING_SLOT_CLIP_DIST1 || + i == VARYING_SLOT_CULL_DIST1) + continue; + + if (i == VARYING_SLOT_CLIP_DIST0 || + i == VARYING_SLOT_CULL_DIST0) { + /* unpack clip and cull from a single set of slots */ + if (clip_cull_slot == -1) { + clip_cull_slot = idx; + if (ctx->num_output_clips + ctx->num_output_culls > 4) + slot_inc = 2; + } else { + slot = clip_cull_slot; + slot_inc = 0; + } + if (i == VARYING_SLOT_CLIP_DIST0) + length = ctx->num_output_clips; + if (i == VARYING_SLOT_CULL_DIST0) { + start = ctx->num_output_clips; + length = ctx->num_output_culls; + } + } + + for (unsigned j = 0; j < length; j++) { LLVMValueRef value; args[2] = LLVMConstInt(ctx->i32, - (idx * 4 + j) * + (slot * 4 + j + start) * ctx->gs_max_out_vertices * 16 * 4, false); value = ac_emit_llvm_intrinsic(&ctx->ac, @@ -5067,7 +5122,7 @@ ac_gs_copy_shader_emit(struct nir_to_llvm_context *ctx) LLVMBuildStore(ctx->builder, to_float(ctx, value), ctx->outputs[radeon_llvm_reg_index_soa(i, j)]); } - idx++; + idx += slot_inc; } handle_vs_outputs_post(ctx); } |