radeonsi: add support for gl_PrimitiveID in the fragment shader
[mesa.git] / src / gallium / drivers / radeonsi / si_shader.c
index 47e5f96cbed43ddeae01049f96aab7bd7193bca7..ac1c1be7a79cf447413776c5f172a0ec4094531a 100644 (file)
@@ -31,6 +31,7 @@
 #include "gallivm/lp_bld_intr.h"
 #include "gallivm/lp_bld_logic.h"
 #include "gallivm/lp_bld_arit.h"
+#include "gallivm/lp_bld_bitarit.h"
 #include "gallivm/lp_bld_flow.h"
 #include "radeon/r600_cs.h"
 #include "radeon/radeon_llvm.h"
@@ -71,18 +72,25 @@ struct si_shader_context
        int param_streamout_write_index;
        int param_streamout_offset[4];
        int param_vertex_id;
+       int param_rel_auto_id;
+       int param_vs_prim_id;
        int param_instance_id;
+       int param_tes_u;
+       int param_tes_v;
+       int param_tes_rel_patch_id;
+       int param_tes_patch_id;
+       int param_es2gs_offset;
        LLVMTargetMachineRef tm;
        LLVMValueRef const_md;
        LLVMValueRef const_resource[SI_NUM_CONST_BUFFERS];
-       LLVMValueRef ddxy_lds;
+       LLVMValueRef lds;
        LLVMValueRef *constants[SI_NUM_CONST_BUFFERS];
        LLVMValueRef resources[SI_NUM_SAMPLER_VIEWS];
        LLVMValueRef samplers[SI_NUM_SAMPLER_STATES];
        LLVMValueRef so_buffers[4];
        LLVMValueRef esgs_ring;
-       LLVMValueRef gsvs_ring;
-       LLVMValueRef gs_next_vertex;
+       LLVMValueRef gsvs_ring[4];
+       LLVMValueRef gs_next_vertex[4];
 };
 
 static struct si_shader_context * si_shader_context(
@@ -129,12 +137,29 @@ unsigned si_shader_io_get_unique_index(unsigned semantic_name, unsigned index)
                assert(index <= 1);
                return 2 + index;
        case TGSI_SEMANTIC_GENERIC:
-               assert(index <= 63-4);
-               return 4 + index;
+               if (index <= 63-4)
+                       return 4 + index;
+               else
+                       /* same explanation as in the default statement,
+                        * the only user hitting this is st/nine.
+                        */
+                       return 0;
+
+       /* patch indices are completely separate and thus start from 0 */
+       case TGSI_SEMANTIC_TESSOUTER:
+               return 0;
+       case TGSI_SEMANTIC_TESSINNER:
+               return 1;
+       case TGSI_SEMANTIC_PATCH:
+               return 2 + index;
 
        default:
-               assert(0);
-               return 63;
+               /* Don't fail here. The result of this function is only used
+                * for LS, TCS, TES, and GS, where legacy GL semantics can't
+                * occur, but this function is called for all vertex shaders
+                * before it's known whether LS will be compiled or not.
+                */
+               return 0;
        }
 }
 
@@ -205,6 +230,136 @@ static LLVMValueRef unpack_param(struct si_shader_context *si_shader_ctx,
        return value;
 }
 
+static LLVMValueRef get_rel_patch_id(struct si_shader_context *si_shader_ctx)
+{
+       switch (si_shader_ctx->type) {
+       case TGSI_PROCESSOR_TESS_CTRL:
+               return unpack_param(si_shader_ctx, SI_PARAM_REL_IDS, 0, 8);
+
+       case TGSI_PROCESSOR_TESS_EVAL:
+               return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                                   si_shader_ctx->param_tes_rel_patch_id);
+
+       default:
+               assert(0);
+               return NULL;
+       }
+}
+
+/* Tessellation shaders pass outputs to the next shader using LDS.
+ *
+ * LS outputs = TCS inputs
+ * TCS outputs = TES inputs
+ *
+ * The LDS layout is:
+ * - TCS inputs for patch 0
+ * - TCS inputs for patch 1
+ * - TCS inputs for patch 2            = get_tcs_in_current_patch_offset (if RelPatchID==2)
+ * - ...
+ * - TCS outputs for patch 0            = get_tcs_out_patch0_offset
+ * - Per-patch TCS outputs for patch 0  = get_tcs_out_patch0_patch_data_offset
+ * - TCS outputs for patch 1
+ * - Per-patch TCS outputs for patch 1
+ * - TCS outputs for patch 2            = get_tcs_out_current_patch_offset (if RelPatchID==2)
+ * - Per-patch TCS outputs for patch 2  = get_tcs_out_current_patch_data_offset (if RelPatchID==2)
+ * - ...
+ *
+ * All three shaders VS(LS), TCS, TES share the same LDS space.
+ */
+
+static LLVMValueRef
+get_tcs_in_patch_stride(struct si_shader_context *si_shader_ctx)
+{
+       if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX)
+               return unpack_param(si_shader_ctx, SI_PARAM_LS_OUT_LAYOUT, 0, 13);
+       else if (si_shader_ctx->type == TGSI_PROCESSOR_TESS_CTRL)
+               return unpack_param(si_shader_ctx, SI_PARAM_TCS_IN_LAYOUT, 0, 13);
+       else {
+               assert(0);
+               return NULL;
+       }
+}
+
+static LLVMValueRef
+get_tcs_out_patch_stride(struct si_shader_context *si_shader_ctx)
+{
+       return unpack_param(si_shader_ctx, SI_PARAM_TCS_OUT_LAYOUT, 0, 13);
+}
+
+static LLVMValueRef
+get_tcs_out_patch0_offset(struct si_shader_context *si_shader_ctx)
+{
+       return lp_build_mul_imm(&si_shader_ctx->radeon_bld.soa.bld_base.uint_bld,
+                               unpack_param(si_shader_ctx,
+                                            SI_PARAM_TCS_OUT_OFFSETS,
+                                            0, 16),
+                               4);
+}
+
+static LLVMValueRef
+get_tcs_out_patch0_patch_data_offset(struct si_shader_context *si_shader_ctx)
+{
+       return lp_build_mul_imm(&si_shader_ctx->radeon_bld.soa.bld_base.uint_bld,
+                               unpack_param(si_shader_ctx,
+                                            SI_PARAM_TCS_OUT_OFFSETS,
+                                            16, 16),
+                               4);
+}
+
+static LLVMValueRef
+get_tcs_in_current_patch_offset(struct si_shader_context *si_shader_ctx)
+{
+       struct gallivm_state *gallivm = &si_shader_ctx->radeon_bld.gallivm;
+       LLVMValueRef patch_stride = get_tcs_in_patch_stride(si_shader_ctx);
+       LLVMValueRef rel_patch_id = get_rel_patch_id(si_shader_ctx);
+
+       return LLVMBuildMul(gallivm->builder, patch_stride, rel_patch_id, "");
+}
+
+static LLVMValueRef
+get_tcs_out_current_patch_offset(struct si_shader_context *si_shader_ctx)
+{
+       struct gallivm_state *gallivm = &si_shader_ctx->radeon_bld.gallivm;
+       LLVMValueRef patch0_offset = get_tcs_out_patch0_offset(si_shader_ctx);
+       LLVMValueRef patch_stride = get_tcs_out_patch_stride(si_shader_ctx);
+       LLVMValueRef rel_patch_id = get_rel_patch_id(si_shader_ctx);
+
+       return LLVMBuildAdd(gallivm->builder, patch0_offset,
+                           LLVMBuildMul(gallivm->builder, patch_stride,
+                                        rel_patch_id, ""),
+                           "");
+}
+
+static LLVMValueRef
+get_tcs_out_current_patch_data_offset(struct si_shader_context *si_shader_ctx)
+{
+       struct gallivm_state *gallivm = &si_shader_ctx->radeon_bld.gallivm;
+       LLVMValueRef patch0_patch_data_offset =
+               get_tcs_out_patch0_patch_data_offset(si_shader_ctx);
+       LLVMValueRef patch_stride = get_tcs_out_patch_stride(si_shader_ctx);
+       LLVMValueRef rel_patch_id = get_rel_patch_id(si_shader_ctx);
+
+       return LLVMBuildAdd(gallivm->builder, patch0_patch_data_offset,
+                           LLVMBuildMul(gallivm->builder, patch_stride,
+                                        rel_patch_id, ""),
+                           "");
+}
+
+static void build_indexed_store(struct si_shader_context *si_shader_ctx,
+                               LLVMValueRef base_ptr, LLVMValueRef index,
+                               LLVMValueRef value)
+{
+       struct lp_build_tgsi_context *bld_base = &si_shader_ctx->radeon_bld.soa.bld_base;
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+       LLVMValueRef indices[2], pointer;
+
+       indices[0] = bld_base->uint_bld.zero;
+       indices[1] = index;
+
+       pointer = LLVMBuildGEP(gallivm->builder, base_ptr, indices, 2, "");
+       LLVMBuildStore(gallivm->builder, value, pointer);
+}
+
 /**
  * Build an LLVM bytecode indexed load using LLVMBuildGEP + LLVMBuildLoad.
  * It's equivalent to doing a load from &base_ptr[index].
@@ -308,7 +463,7 @@ static void declare_input_vs(
        args[0] = t_list;
        args[1] = attribute_offset;
        args[2] = buffer_index;
-       input = build_intrinsic(gallivm->builder,
+       input = lp_build_intrinsic(gallivm->builder,
                "llvm.SI.vs.load.input", vec4_type, args, 3,
                LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
 
@@ -323,6 +478,285 @@ static void declare_input_vs(
        }
 }
 
+static LLVMValueRef get_primitive_id(struct lp_build_tgsi_context *bld_base,
+                                    unsigned swizzle)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+
+       if (swizzle > 0)
+               return bld_base->uint_bld.zero;
+
+       switch (si_shader_ctx->type) {
+       case TGSI_PROCESSOR_VERTEX:
+               return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                                   si_shader_ctx->param_vs_prim_id);
+       case TGSI_PROCESSOR_TESS_CTRL:
+               return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                                   SI_PARAM_PATCH_ID);
+       case TGSI_PROCESSOR_TESS_EVAL:
+               return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                                   si_shader_ctx->param_tes_patch_id);
+       case TGSI_PROCESSOR_GEOMETRY:
+               return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                                   SI_PARAM_PRIMITIVE_ID);
+       default:
+               assert(0);
+               return bld_base->uint_bld.zero;
+       }
+}
+
+/**
+ * Return the value of tgsi_ind_register for indexing.
+ * This is the indirect index with the constant offset added to it.
+ */
+static LLVMValueRef get_indirect_index(struct si_shader_context *si_shader_ctx,
+                                      const struct tgsi_ind_register *ind,
+                                      int rel_index)
+{
+       struct gallivm_state *gallivm = si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm;
+       LLVMValueRef result;
+
+       result = si_shader_ctx->radeon_bld.soa.addr[ind->Index][ind->Swizzle];
+       result = LLVMBuildLoad(gallivm->builder, result, "");
+       result = LLVMBuildAdd(gallivm->builder, result,
+                             lp_build_const_int32(gallivm, rel_index), "");
+       return result;
+}
+
+/**
+ * Calculate a dword address given an input or output register and a stride.
+ */
+static LLVMValueRef get_dw_address(struct si_shader_context *si_shader_ctx,
+                                  const struct tgsi_full_dst_register *dst,
+                                  const struct tgsi_full_src_register *src,
+                                  LLVMValueRef vertex_dw_stride,
+                                  LLVMValueRef base_addr)
+{
+       struct gallivm_state *gallivm = si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm;
+       struct tgsi_shader_info *info = &si_shader_ctx->shader->selector->info;
+       ubyte *name, *index, *array_first;
+       int first, param;
+       struct tgsi_full_dst_register reg;
+
+       /* Set the register description. The address computation is the same
+        * for sources and destinations. */
+       if (src) {
+               reg.Register.File = src->Register.File;
+               reg.Register.Index = src->Register.Index;
+               reg.Register.Indirect = src->Register.Indirect;
+               reg.Register.Dimension = src->Register.Dimension;
+               reg.Indirect = src->Indirect;
+               reg.Dimension = src->Dimension;
+               reg.DimIndirect = src->DimIndirect;
+       } else
+               reg = *dst;
+
+       /* If the register is 2-dimensional (e.g. an array of vertices
+        * in a primitive), calculate the base address of the vertex. */
+       if (reg.Register.Dimension) {
+               LLVMValueRef index;
+
+               if (reg.Dimension.Indirect)
+                       index = get_indirect_index(si_shader_ctx, &reg.DimIndirect,
+                                                  reg.Dimension.Index);
+               else
+                       index = lp_build_const_int32(gallivm, reg.Dimension.Index);
+
+               base_addr = LLVMBuildAdd(gallivm->builder, base_addr,
+                                        LLVMBuildMul(gallivm->builder, index,
+                                                     vertex_dw_stride, ""), "");
+       }
+
+       /* Get information about the register. */
+       if (reg.Register.File == TGSI_FILE_INPUT) {
+               name = info->input_semantic_name;
+               index = info->input_semantic_index;
+               array_first = info->input_array_first;
+       } else if (reg.Register.File == TGSI_FILE_OUTPUT) {
+               name = info->output_semantic_name;
+               index = info->output_semantic_index;
+               array_first = info->output_array_first;
+       } else {
+               assert(0);
+               return NULL;
+       }
+
+       if (reg.Register.Indirect) {
+               /* Add the relative address of the element. */
+               LLVMValueRef ind_index;
+
+               if (reg.Indirect.ArrayID)
+                       first = array_first[reg.Indirect.ArrayID];
+               else
+                       first = reg.Register.Index;
+
+               ind_index = get_indirect_index(si_shader_ctx, &reg.Indirect,
+                                          reg.Register.Index - first);
+
+               base_addr = LLVMBuildAdd(gallivm->builder, base_addr,
+                                   LLVMBuildMul(gallivm->builder, ind_index,
+                                                lp_build_const_int32(gallivm, 4), ""), "");
+
+               param = si_shader_io_get_unique_index(name[first], index[first]);
+       } else {
+               param = si_shader_io_get_unique_index(name[reg.Register.Index],
+                                                     index[reg.Register.Index]);
+       }
+
+       /* Add the base address of the element. */
+       return LLVMBuildAdd(gallivm->builder, base_addr,
+                           lp_build_const_int32(gallivm, param * 4), "");
+}
+
+/**
+ * Load from LDS.
+ *
+ * \param type         output value type
+ * \param swizzle      offset (typically 0..3); it can be ~0, which loads a vec4
+ * \param dw_addr      address in dwords
+ */
+static LLVMValueRef lds_load(struct lp_build_tgsi_context *bld_base,
+                            enum tgsi_opcode_type type, unsigned swizzle,
+                            LLVMValueRef dw_addr)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+       LLVMValueRef value;
+
+       if (swizzle == ~0) {
+               LLVMValueRef values[TGSI_NUM_CHANNELS];
+
+               for (unsigned chan = 0; chan < TGSI_NUM_CHANNELS; chan++)
+                       values[chan] = lds_load(bld_base, type, chan, dw_addr);
+
+               return lp_build_gather_values(bld_base->base.gallivm, values,
+                                             TGSI_NUM_CHANNELS);
+       }
+
+       dw_addr = lp_build_add(&bld_base->uint_bld, dw_addr,
+                           lp_build_const_int32(gallivm, swizzle));
+
+       value = build_indexed_load(si_shader_ctx, si_shader_ctx->lds, dw_addr);
+       return LLVMBuildBitCast(gallivm->builder, value,
+                               tgsi2llvmtype(bld_base, type), "");
+}
+
+/**
+ * Store to LDS.
+ *
+ * \param swizzle      offset (typically 0..3)
+ * \param dw_addr      address in dwords
+ * \param value                value to store
+ */
+static void lds_store(struct lp_build_tgsi_context * bld_base,
+                     unsigned swizzle, LLVMValueRef dw_addr,
+                     LLVMValueRef value)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+
+       dw_addr = lp_build_add(&bld_base->uint_bld, dw_addr,
+                           lp_build_const_int32(gallivm, swizzle));
+
+       value = LLVMBuildBitCast(gallivm->builder, value,
+                                LLVMInt32TypeInContext(gallivm->context), "");
+       build_indexed_store(si_shader_ctx, si_shader_ctx->lds,
+                           dw_addr, value);
+}
+
+static LLVMValueRef fetch_input_tcs(
+       struct lp_build_tgsi_context *bld_base,
+       const struct tgsi_full_src_register *reg,
+       enum tgsi_opcode_type type, unsigned swizzle)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       LLVMValueRef dw_addr, stride;
+
+       stride = unpack_param(si_shader_ctx, SI_PARAM_TCS_IN_LAYOUT, 13, 8);
+       dw_addr = get_tcs_in_current_patch_offset(si_shader_ctx);
+       dw_addr = get_dw_address(si_shader_ctx, NULL, reg, stride, dw_addr);
+
+       return lds_load(bld_base, type, swizzle, dw_addr);
+}
+
+static LLVMValueRef fetch_output_tcs(
+               struct lp_build_tgsi_context *bld_base,
+               const struct tgsi_full_src_register *reg,
+               enum tgsi_opcode_type type, unsigned swizzle)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       LLVMValueRef dw_addr, stride;
+
+       if (reg->Register.Dimension) {
+               stride = unpack_param(si_shader_ctx, SI_PARAM_TCS_OUT_LAYOUT, 13, 8);
+               dw_addr = get_tcs_out_current_patch_offset(si_shader_ctx);
+               dw_addr = get_dw_address(si_shader_ctx, NULL, reg, stride, dw_addr);
+       } else {
+               dw_addr = get_tcs_out_current_patch_data_offset(si_shader_ctx);
+               dw_addr = get_dw_address(si_shader_ctx, NULL, reg, NULL, dw_addr);
+       }
+
+       return lds_load(bld_base, type, swizzle, dw_addr);
+}
+
+static LLVMValueRef fetch_input_tes(
+       struct lp_build_tgsi_context *bld_base,
+       const struct tgsi_full_src_register *reg,
+       enum tgsi_opcode_type type, unsigned swizzle)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       LLVMValueRef dw_addr, stride;
+
+       if (reg->Register.Dimension) {
+               stride = unpack_param(si_shader_ctx, SI_PARAM_TCS_OUT_LAYOUT, 13, 8);
+               dw_addr = get_tcs_out_current_patch_offset(si_shader_ctx);
+               dw_addr = get_dw_address(si_shader_ctx, NULL, reg, stride, dw_addr);
+       } else {
+               dw_addr = get_tcs_out_current_patch_data_offset(si_shader_ctx);
+               dw_addr = get_dw_address(si_shader_ctx, NULL, reg, NULL, dw_addr);
+       }
+
+       return lds_load(bld_base, type, swizzle, dw_addr);
+}
+
+static void store_output_tcs(struct lp_build_tgsi_context * bld_base,
+                            const struct tgsi_full_instruction * inst,
+                            const struct tgsi_opcode_info * info,
+                            LLVMValueRef dst[4])
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       const struct tgsi_full_dst_register *reg = &inst->Dst[0];
+       unsigned chan_index;
+       LLVMValueRef dw_addr, stride;
+
+       /* Only handle per-patch and per-vertex outputs here.
+        * Vectors will be lowered to scalars and this function will be called again.
+        */
+       if (reg->Register.File != TGSI_FILE_OUTPUT ||
+           (dst[0] && LLVMGetTypeKind(LLVMTypeOf(dst[0])) == LLVMVectorTypeKind)) {
+               radeon_llvm_emit_store(bld_base, inst, info, dst);
+               return;
+       }
+
+       if (reg->Register.Dimension) {
+               stride = unpack_param(si_shader_ctx, SI_PARAM_TCS_OUT_LAYOUT, 13, 8);
+               dw_addr = get_tcs_out_current_patch_offset(si_shader_ctx);
+               dw_addr = get_dw_address(si_shader_ctx, reg, NULL, stride, dw_addr);
+       } else {
+               dw_addr = get_tcs_out_current_patch_data_offset(si_shader_ctx);
+               dw_addr = get_dw_address(si_shader_ctx, reg, NULL, NULL, dw_addr);
+       }
+
+       TGSI_FOR_EACH_DST0_ENABLED_CHANNEL(inst, chan_index) {
+               LLVMValueRef value = dst[chan_index];
+
+               if (inst->Instruction.Saturate)
+                       value = radeon_llvm_saturate(bld_base, value);
+
+               lds_store(bld_base, chan_index, dw_addr, value);
+       }
+}
+
 static LLVMValueRef fetch_input_gs(
        struct lp_build_tgsi_context *bld_base,
        const struct tgsi_full_src_register *reg,
@@ -342,13 +776,8 @@ static LLVMValueRef fetch_input_gs(
        unsigned semantic_name = info->input_semantic_name[reg->Register.Index];
        unsigned semantic_index = info->input_semantic_index[reg->Register.Index];
 
-       if (swizzle != ~0 && semantic_name == TGSI_SEMANTIC_PRIMID) {
-               if (swizzle == 0)
-                       return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
-                                           SI_PARAM_PRIMITIVE_ID);
-               else
-                       return uint->zero;
-       }
+       if (swizzle != ~0 && semantic_name == TGSI_SEMANTIC_PRIMID)
+               return get_primitive_id(bld_base, swizzle);
 
        if (!reg->Register.Dimension)
                return NULL;
@@ -380,7 +809,7 @@ static LLVMValueRef fetch_input_gs(
        args[1] = vtx_offset;
        args[2] = lp_build_const_int32(gallivm,
                                       (get_param_index(semantic_name, semantic_index,
-                                                       shader->selector->gs_used_inputs) * 4 +
+                                                       shader->selector->inputs_read) * 4 +
                                        swizzle) * 256);
        args[3] = uint->zero;
        args[4] = uint->one;  /* OFFEN */
@@ -390,13 +819,42 @@ static LLVMValueRef fetch_input_gs(
        args[8] = uint->zero; /* TFE */
 
        return LLVMBuildBitCast(gallivm->builder,
-                               build_intrinsic(gallivm->builder,
+                               lp_build_intrinsic(gallivm->builder,
                                                "llvm.SI.buffer.load.dword.i32.i32",
                                                i32, args, 9,
                                                LLVMReadOnlyAttribute | LLVMNoUnwindAttribute),
                                tgsi2llvmtype(bld_base, type), "");
 }
 
+static int lookup_interp_param_index(unsigned interpolate, unsigned location)
+{
+       switch (interpolate) {
+       case TGSI_INTERPOLATE_CONSTANT:
+               return 0;
+
+       case TGSI_INTERPOLATE_LINEAR:
+               if (location == TGSI_INTERPOLATE_LOC_SAMPLE)
+                       return SI_PARAM_LINEAR_SAMPLE;
+               else if (location == TGSI_INTERPOLATE_LOC_CENTROID)
+                       return SI_PARAM_LINEAR_CENTROID;
+               else
+                       return SI_PARAM_LINEAR_CENTER;
+               break;
+       case TGSI_INTERPOLATE_COLOR:
+       case TGSI_INTERPOLATE_PERSPECTIVE:
+               if (location == TGSI_INTERPOLATE_LOC_SAMPLE)
+                       return SI_PARAM_PERSP_SAMPLE;
+               else if (location == TGSI_INTERPOLATE_LOC_CENTROID)
+                       return SI_PARAM_PERSP_CENTROID;
+               else
+                       return SI_PARAM_PERSP_CENTER;
+               break;
+       default:
+               fprintf(stderr, "Warning: Unhandled interpolation mode.\n");
+               return -1;
+       }
+}
+
 static void declare_input_fs(
        struct radeon_llvm_context *radeon_bld,
        unsigned input_index,
@@ -411,7 +869,8 @@ static void declare_input_fs(
        LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context);
        LLVMValueRef main_fn = radeon_bld->main_fn;
 
-       LLVMValueRef interp_param;
+       LLVMValueRef interp_param = NULL;
+       int interp_param_idx;
        const char * intr_name;
 
        /* This value is:
@@ -460,31 +919,13 @@ static void declare_input_fs(
        attr_number = lp_build_const_int32(gallivm,
                                           shader->ps_input_param_offset[input_index]);
 
-       switch (decl->Interp.Interpolate) {
-       case TGSI_INTERPOLATE_CONSTANT:
-               interp_param = 0;
-               break;
-       case TGSI_INTERPOLATE_LINEAR:
-               if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_SAMPLE)
-                       interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_SAMPLE);
-               else if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID)
-                       interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTROID);
-               else
-                       interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTER);
-               break;
-       case TGSI_INTERPOLATE_COLOR:
-       case TGSI_INTERPOLATE_PERSPECTIVE:
-               if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_SAMPLE)
-                       interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_SAMPLE);
-               else if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID)
-                       interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID);
-               else
-                       interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER);
-               break;
-       default:
-               fprintf(stderr, "Warning: Unhandled interpolation mode.\n");
+       shader->ps_input_interpolate[input_index] = decl->Interp.Interpolate;
+       interp_param_idx = lookup_interp_param_index(decl->Interp.Interpolate,
+                                                    decl->Interp.Location);
+       if (interp_param_idx == -1)
                return;
-       }
+       else if (interp_param_idx)
+               interp_param = LLVMGetParam(main_fn, interp_param_idx);
 
        /* fs.constant returns the param from the middle vertex, so it's not
         * really useful for flat shading. It's meant to be used for custom
@@ -522,12 +963,12 @@ static void declare_input_fs(
 
                        args[0] = llvm_chan;
                        args[1] = attr_number;
-                       front = build_intrinsic(gallivm->builder, intr_name,
+                       front = lp_build_intrinsic(gallivm->builder, intr_name,
                                                input_type, args, args[3] ? 4 : 3,
                                                LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
 
                        args[1] = back_attr_number;
-                       back = build_intrinsic(gallivm->builder, intr_name,
+                       back = lp_build_intrinsic(gallivm->builder, intr_name,
                                               input_type, args, args[3] ? 4 : 3,
                                               LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
 
@@ -548,7 +989,7 @@ static void declare_input_fs(
                args[2] = params;
                args[3] = interp_param;
                radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 0)] =
-                       build_intrinsic(gallivm->builder, intr_name,
+                       lp_build_intrinsic(gallivm->builder, intr_name,
                                        input_type, args, args[3] ? 4 : 3,
                                        LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
                radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 1)] =
@@ -566,7 +1007,7 @@ static void declare_input_fs(
                        args[2] = params;
                        args[3] = interp_param;
                        radeon_bld->inputs[soa_index] =
-                               build_intrinsic(gallivm->builder, intr_name,
+                               lp_build_intrinsic(gallivm->builder, intr_name,
                                                input_type, args, args[3] ? 4 : 3,
                                                LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
                }
@@ -587,10 +1028,35 @@ static LLVMValueRef buffer_load_const(LLVMBuilderRef builder, LLVMValueRef resou
 {
        LLVMValueRef args[2] = {resource, offset};
 
-       return build_intrinsic(builder, "llvm.SI.load.const", return_type, args, 2,
+       return lp_build_intrinsic(builder, "llvm.SI.load.const", return_type, args, 2,
                               LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
 }
 
+static LLVMValueRef load_sample_position(struct radeon_llvm_context *radeon_bld, LLVMValueRef sample_id)
+{
+       struct si_shader_context *si_shader_ctx =
+               si_shader_context(&radeon_bld->soa.bld_base);
+       struct lp_build_context *uint_bld = &radeon_bld->soa.bld_base.uint_bld;
+       struct gallivm_state *gallivm = &radeon_bld->gallivm;
+       LLVMBuilderRef builder = gallivm->builder;
+       LLVMValueRef desc = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
+       LLVMValueRef buf_index = lp_build_const_int32(gallivm, SI_DRIVER_STATE_CONST_BUF);
+       LLVMValueRef resource = build_indexed_load_const(si_shader_ctx, desc, buf_index);
+
+       /* offset = sample_id * 8  (8 = 2 floats containing samplepos.xy) */
+       LLVMValueRef offset0 = lp_build_mul_imm(uint_bld, sample_id, 8);
+       LLVMValueRef offset1 = LLVMBuildAdd(builder, offset0, lp_build_const_int32(gallivm, 4), "");
+
+       LLVMValueRef pos[4] = {
+               buffer_load_const(builder, resource, offset0, radeon_bld->soa.bld_base.base.elem_type),
+               buffer_load_const(builder, resource, offset1, radeon_bld->soa.bld_base.base.elem_type),
+               lp_build_const_float(gallivm, 0),
+               lp_build_const_float(gallivm, 0)
+       };
+
+       return lp_build_gather_values(gallivm, pos, 4);
+}
+
 static void declare_system_value(
        struct radeon_llvm_context * radeon_bld,
        unsigned index,
@@ -598,6 +1064,7 @@ static void declare_system_value(
 {
        struct si_shader_context *si_shader_ctx =
                si_shader_context(&radeon_bld->soa.bld_base);
+       struct lp_build_context *bld = &radeon_bld->soa.bld_base.base;
        struct lp_build_context *uint_bld = &radeon_bld->soa.bld_base.uint_bld;
        struct gallivm_state *gallivm = &radeon_bld->gallivm;
        LLVMValueRef value = 0;
@@ -626,30 +1093,23 @@ static void declare_system_value(
                                     SI_PARAM_BASE_VERTEX);
                break;
 
+       case TGSI_SEMANTIC_INVOCATIONID:
+               if (si_shader_ctx->type == TGSI_PROCESSOR_TESS_CTRL)
+                       value = unpack_param(si_shader_ctx, SI_PARAM_REL_IDS, 8, 5);
+               else if (si_shader_ctx->type == TGSI_PROCESSOR_GEOMETRY)
+                       value = LLVMGetParam(radeon_bld->main_fn,
+                                            SI_PARAM_GS_INSTANCE_ID);
+               else
+                       assert(!"INVOCATIONID not implemented");
+               break;
+
        case TGSI_SEMANTIC_SAMPLEID:
                value = get_sample_id(radeon_bld);
                break;
 
        case TGSI_SEMANTIC_SAMPLEPOS:
-       {
-               LLVMBuilderRef builder = gallivm->builder;
-               LLVMValueRef desc = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
-               LLVMValueRef buf_index = lp_build_const_int32(gallivm, SI_DRIVER_STATE_CONST_BUF);
-               LLVMValueRef resource = build_indexed_load_const(si_shader_ctx, desc, buf_index);
-
-               /* offset = sample_id * 8  (8 = 2 floats containing samplepos.xy) */
-               LLVMValueRef offset0 = lp_build_mul_imm(uint_bld, get_sample_id(radeon_bld), 8);
-               LLVMValueRef offset1 = LLVMBuildAdd(builder, offset0, lp_build_const_int32(gallivm, 4), "");
-
-               LLVMValueRef pos[4] = {
-                       buffer_load_const(builder, resource, offset0, radeon_bld->soa.bld_base.base.elem_type),
-                       buffer_load_const(builder, resource, offset1, radeon_bld->soa.bld_base.base.elem_type),
-                       lp_build_const_float(gallivm, 0),
-                       lp_build_const_float(gallivm, 0)
-               };
-               value = lp_build_gather_values(gallivm, pos, 4);
+               value = load_sample_position(radeon_bld, get_sample_id(radeon_bld));
                break;
-       }
 
        case TGSI_SEMANTIC_SAMPLEMASK:
                /* Smoothing isn't MSAA in GL, but it's MSAA in hardware.
@@ -660,6 +1120,48 @@ static void declare_system_value(
                        value = LLVMGetParam(radeon_bld->main_fn, SI_PARAM_SAMPLE_COVERAGE);
                break;
 
+       case TGSI_SEMANTIC_TESSCOORD:
+       {
+               LLVMValueRef coord[4] = {
+                       LLVMGetParam(radeon_bld->main_fn, si_shader_ctx->param_tes_u),
+                       LLVMGetParam(radeon_bld->main_fn, si_shader_ctx->param_tes_v),
+                       bld->zero,
+                       bld->zero
+               };
+
+               /* For triangles, the vector should be (u, v, 1-u-v). */
+               if (si_shader_ctx->shader->selector->info.properties[TGSI_PROPERTY_TES_PRIM_MODE] ==
+                   PIPE_PRIM_TRIANGLES)
+                       coord[2] = lp_build_sub(bld, bld->one,
+                                               lp_build_add(bld, coord[0], coord[1]));
+
+               value = lp_build_gather_values(gallivm, coord, 4);
+               break;
+       }
+
+       case TGSI_SEMANTIC_VERTICESIN:
+               value = unpack_param(si_shader_ctx, SI_PARAM_TCS_OUT_LAYOUT, 26, 6);
+               break;
+
+       case TGSI_SEMANTIC_TESSINNER:
+       case TGSI_SEMANTIC_TESSOUTER:
+       {
+               LLVMValueRef dw_addr;
+               int param = si_shader_io_get_unique_index(decl->Semantic.Name, 0);
+
+               dw_addr = get_tcs_out_current_patch_data_offset(si_shader_ctx);
+               dw_addr = LLVMBuildAdd(gallivm->builder, dw_addr,
+                                      lp_build_const_int32(gallivm, param * 4), "");
+
+               value = lds_load(&radeon_bld->soa.bld_base, TGSI_TYPE_FLOAT,
+                                ~0, dw_addr);
+               break;
+       }
+
+       case TGSI_SEMANTIC_PRIMID:
+               value = get_primitive_id(&radeon_bld->soa.bld_base, 0);
+               break;
+
        default:
                assert(!"unknown system value");
                return;
@@ -679,7 +1181,7 @@ static LLVMValueRef fetch_constant(
        const struct tgsi_ind_register *ireg = &reg->Indirect;
        unsigned buf, idx;
 
-       LLVMValueRef addr;
+       LLVMValueRef addr, bufp;
        LLVMValueRef result;
 
        if (swizzle == LP_CHAN_ALL) {
@@ -694,8 +1196,24 @@ static LLVMValueRef fetch_constant(
        buf = reg->Register.Dimension ? reg->Dimension.Index : 0;
        idx = reg->Register.Index * 4 + swizzle;
 
-       if (!reg->Register.Indirect)
-               return bitcast(bld_base, type, si_shader_ctx->constants[buf][idx]);
+       if (!reg->Register.Indirect && !reg->Dimension.Indirect) {
+               if (type != TGSI_TYPE_DOUBLE)
+                       return bitcast(bld_base, type, si_shader_ctx->constants[buf][idx]);
+               else {
+                       return radeon_llvm_emit_fetch_double(bld_base,
+                                                            si_shader_ctx->constants[buf][idx],
+                                                            si_shader_ctx->constants[buf][idx + 1]);
+               }
+       }
+
+       if (reg->Register.Dimension && reg->Dimension.Indirect) {
+               LLVMValueRef ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
+               LLVMValueRef index;
+               index = get_indirect_index(si_shader_ctx, &reg->DimIndirect,
+                                                  reg->Dimension.Index);
+               bufp = build_indexed_load_const(si_shader_ctx, ptr, index);
+       } else
+               bufp = si_shader_ctx->const_resource[buf];
 
        addr = si_shader_ctx->radeon_bld.soa.addr[ireg->Index][ireg->Swizzle];
        addr = LLVMBuildLoad(base->gallivm->builder, addr, "load addr reg");
@@ -703,10 +1221,26 @@ static LLVMValueRef fetch_constant(
        addr = lp_build_add(&bld_base->uint_bld, addr,
                            lp_build_const_int32(base->gallivm, idx * 4));
 
-       result = buffer_load_const(base->gallivm->builder, si_shader_ctx->const_resource[buf],
-                           addr, base->elem_type);
+       result = buffer_load_const(base->gallivm->builder, bufp,
+                                  addr, bld_base->base.elem_type);
+
+       if (type != TGSI_TYPE_DOUBLE)
+               result = bitcast(bld_base, type, result);
+       else {
+               LLVMValueRef addr2, result2;
+               addr2 = si_shader_ctx->radeon_bld.soa.addr[ireg->Index][ireg->Swizzle + 1];
+               addr2 = LLVMBuildLoad(base->gallivm->builder, addr2, "load addr reg2");
+               addr2 = lp_build_mul_imm(&bld_base->uint_bld, addr2, 16);
+               addr2 = lp_build_add(&bld_base->uint_bld, addr2,
+                                    lp_build_const_int32(base->gallivm, idx * 4));
+
+               result2 = buffer_load_const(base->gallivm->builder, si_shader_ctx->const_resource[buf],
+                                  addr2, bld_base->base.elem_type);
 
-       return bitcast(bld_base, type, result);
+               result = radeon_llvm_emit_fetch_double(bld_base,
+                                                      result, result2);
+       }
+       return result;
 }
 
 /* Initialize arguments for the shader export intrinsic */
@@ -745,7 +1279,7 @@ static void si_llvm_init_export_args(struct lp_build_tgsi_context *bld_base,
                        args[0] = values[2 * chan];
                        args[1] = values[2 * chan + 1];
                        args[chan + 5] =
-                               build_intrinsic(base->gallivm->builder,
+                               lp_build_intrinsic(base->gallivm->builder,
                                                "llvm.SI.packf16",
                                                LLVMInt32TypeInContext(base->gallivm->context),
                                                args, 2,
@@ -827,12 +1361,12 @@ static void si_alpha_test(struct lp_build_tgsi_context *bld_base,
                                        lp_build_const_float(gallivm, 1.0f),
                                        lp_build_const_float(gallivm, -1.0f));
 
-               build_intrinsic(gallivm->builder,
+               lp_build_intrinsic(gallivm->builder,
                                "llvm.AMDGPU.kill",
                                LLVMVoidTypeInContext(gallivm->context),
                                &arg, 1, 0);
        } else {
-               build_intrinsic(gallivm->builder,
+               lp_build_intrinsic(gallivm->builder,
                                "llvm.AMDGPU.kilp",
                                LLVMVoidTypeInContext(gallivm->context),
                                NULL, 0, 0);
@@ -853,7 +1387,7 @@ static void si_scale_alpha_by_sample_mask(struct lp_build_tgsi_context *bld_base
                                SI_PARAM_SAMPLE_COVERAGE);
        coverage = bitcast(bld_base, TGSI_TYPE_SIGNED, coverage);
 
-       coverage = build_intrinsic(gallivm->builder, "llvm.ctpop.i32",
+       coverage = lp_build_intrinsic(gallivm->builder, "llvm.ctpop.i32",
                                   bld_base->int_bld.elem_type,
                                   &coverage, 1, LLVMReadNoneAttribute);
 
@@ -983,16 +1517,16 @@ static void build_tbuffer_store(struct si_shader_context *shader,
 
        lp_build_intrinsic(gallivm->builder, name,
                           LLVMVoidTypeInContext(gallivm->context),
-                          args, Elements(args));
+                          args, Elements(args), 0);
 }
 
-static void build_streamout_store(struct si_shader_context *shader,
-                                 LLVMValueRef rsrc,
-                                 LLVMValueRef vdata,
-                                 unsigned num_channels,
-                                 LLVMValueRef vaddr,
-                                 LLVMValueRef soffset,
-                                 unsigned inst_offset)
+static void build_tbuffer_store_dwords(struct si_shader_context *shader,
+                                    LLVMValueRef rsrc,
+                                    LLVMValueRef vdata,
+                                    unsigned num_channels,
+                                    LLVMValueRef vaddr,
+                                    LLVMValueRef soffset,
+                                    unsigned inst_offset)
 {
        static unsigned dfmt[] = {
                V_008F0C_BUF_DATA_FORMAT_32,
@@ -1025,13 +1559,16 @@ static void si_llvm_emit_streamout(struct si_shader_context *shader,
        LLVMValueRef so_vtx_count =
                unpack_param(shader, shader->param_streamout_config, 16, 7);
 
-       LLVMValueRef tid = build_intrinsic(builder, "llvm.SI.tid", i32,
+       LLVMValueRef tid = lp_build_intrinsic(builder, "llvm.SI.tid", i32,
                                           NULL, 0, LLVMReadNoneAttribute);
 
        /* can_emit = tid < so_vtx_count; */
        LLVMValueRef can_emit =
                LLVMBuildICmp(builder, LLVMIntULT, tid, so_vtx_count, "");
 
+       LLVMValueRef stream_id =
+               unpack_param(shader, shader->param_streamout_config, 24, 2);
+
        /* Emit the streamout code conditionally. This actually avoids
         * out-of-bounds buffer access. The hw tells us via the SGPR
         * (so_vtx_count) which threads are allowed to emit streamout data. */
@@ -1071,7 +1608,9 @@ static void si_llvm_emit_streamout(struct si_shader_context *shader,
                        unsigned reg = so->output[i].register_index;
                        unsigned start = so->output[i].start_component;
                        unsigned num_comps = so->output[i].num_components;
+                       unsigned stream = so->output[i].stream;
                        LLVMValueRef out[4];
+                       struct lp_build_if_state if_ctx_stream;
 
                        assert(num_comps && num_comps <= 4);
                        if (!num_comps || num_comps > 4)
@@ -1105,11 +1644,18 @@ static void si_llvm_emit_streamout(struct si_shader_context *shader,
                                break;
                        }
 
-                       build_streamout_store(shader, shader->so_buffers[buf_idx],
-                                             vdata, num_comps,
-                                             so_write_offset[buf_idx],
-                                             LLVMConstInt(i32, 0, 0),
-                                             so->output[i].dst_offset*4);
+                       LLVMValueRef can_emit_stream =
+                               LLVMBuildICmp(builder, LLVMIntEQ,
+                                             stream_id,
+                                             lp_build_const_int32(gallivm, stream), "");
+
+                       lp_build_if(&if_ctx_stream, gallivm, can_emit_stream);
+                       build_tbuffer_store_dwords(shader, shader->so_buffers[buf_idx],
+                                                  vdata, num_comps,
+                                                  so_write_offset[buf_idx],
+                                                  LLVMConstInt(i32, 0, 0),
+                                                  so->output[i].dst_offset*4);
+                       lp_build_endif(&if_ctx_stream);
                }
        }
        lp_build_endif(&if_ctx);
@@ -1128,7 +1674,7 @@ static void si_llvm_export_vs(struct lp_build_tgsi_context *bld_base,
                                &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
        LLVMValueRef args[9];
        LLVMValueRef pos_args[4][9] = { { 0 } };
-       LLVMValueRef psize_value = NULL, edgeflag_value = NULL, layer_value = NULL;
+       LLVMValueRef psize_value = NULL, edgeflag_value = NULL, layer_value = NULL, viewport_index_value = NULL;
        unsigned semantic_name, semantic_index;
        unsigned target;
        unsigned param_count = 0;
@@ -1154,7 +1700,12 @@ handle_semantic:
                        continue;
                case TGSI_SEMANTIC_LAYER:
                        layer_value = outputs[i].values[0];
-                       continue;
+                       semantic_name = TGSI_SEMANTIC_GENERIC;
+                       goto handle_semantic;
+               case TGSI_SEMANTIC_VIEWPORT_INDEX:
+                       viewport_index_value = outputs[i].values[0];
+                       semantic_name = TGSI_SEMANTIC_GENERIC;
+                       goto handle_semantic;
                case TGSI_SEMANTIC_POSITION:
                        target = V_008DFC_SQ_EXP_POS;
                        break;
@@ -1195,7 +1746,7 @@ handle_semantic:
                        lp_build_intrinsic(base->gallivm->builder,
                                           "llvm.SI.export",
                                           LLVMVoidTypeInContext(base->gallivm->context),
-                                          args, 9);
+                                          args, 9, 0);
                }
 
                if (semantic_name == TGSI_SEMANTIC_CLIPDIST) {
@@ -1204,6 +1755,8 @@ handle_semantic:
                }
        }
 
+       shader->nr_param_exports = param_count;
+
        /* We need to add the position output manually if it's missing. */
        if (!pos_args[0][0]) {
                pos_args[0][0] = lp_build_const_int32(base->gallivm, 0xf); /* writemask */
@@ -1220,11 +1773,13 @@ handle_semantic:
        /* Write the misc vector (point size, edgeflag, layer, viewport). */
        if (shader->selector->info.writes_psize ||
            shader->selector->info.writes_edgeflag ||
+           shader->selector->info.writes_viewport_index ||
            shader->selector->info.writes_layer) {
                pos_args[1][0] = lp_build_const_int32(base->gallivm, /* writemask */
                                                      shader->selector->info.writes_psize |
                                                      (shader->selector->info.writes_edgeflag << 1) |
-                                                     (shader->selector->info.writes_layer << 2));
+                                                     (shader->selector->info.writes_layer << 2) |
+                                                     (shader->selector->info.writes_viewport_index << 3));
                pos_args[1][1] = uint->zero; /* EXEC mask */
                pos_args[1][2] = uint->zero; /* last export? */
                pos_args[1][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS + 1);
@@ -1255,28 +1810,157 @@ handle_semantic:
 
                if (shader->selector->info.writes_layer)
                        pos_args[1][7] = layer_value;
+
+               if (shader->selector->info.writes_viewport_index)
+                       pos_args[1][8] = viewport_index_value;
+       }
+
+       for (i = 0; i < 4; i++)
+               if (pos_args[i][0])
+                       shader->nr_pos_exports++;
+
+       pos_idx = 0;
+       for (i = 0; i < 4; i++) {
+               if (!pos_args[i][0])
+                       continue;
+
+               /* Specify the target we are exporting */
+               pos_args[i][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS + pos_idx++);
+
+               if (pos_idx == shader->nr_pos_exports)
+                       /* Specify that this is the last export */
+                       pos_args[i][2] = uint->one;
+
+               lp_build_intrinsic(base->gallivm->builder,
+                                  "llvm.SI.export",
+                                  LLVMVoidTypeInContext(base->gallivm->context),
+                                  pos_args[i], 9, 0);
+       }
+}
+
+/* This only writes the tessellation factor levels. */
+static void si_llvm_emit_tcs_epilogue(struct lp_build_tgsi_context *bld_base)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+       struct si_shader *shader = si_shader_ctx->shader;
+       unsigned tess_inner_index, tess_outer_index;
+       LLVMValueRef lds_base, lds_inner, lds_outer;
+       LLVMValueRef tf_base, rel_patch_id, byteoffset, buffer, rw_buffers;
+       LLVMValueRef out[6], vec0, vec1, invocation_id;
+       unsigned stride, outer_comps, inner_comps, i;
+       struct lp_build_if_state if_ctx;
+
+       invocation_id = unpack_param(si_shader_ctx, SI_PARAM_REL_IDS, 8, 5);
+
+       /* Do this only for invocation 0, because the tess levels are per-patch,
+        * not per-vertex.
+        *
+        * This can't jump, because invocation 0 executes this. It should
+        * at least mask out the loads and stores for other invocations.
+        */
+       lp_build_if(&if_ctx, gallivm,
+                   LLVMBuildICmp(gallivm->builder, LLVMIntEQ,
+                                 invocation_id, bld_base->uint_bld.zero, ""));
+
+       /* Determine the layout of one tess factor element in the buffer. */
+       switch (shader->key.tcs.prim_mode) {
+       case PIPE_PRIM_LINES:
+               stride = 2; /* 2 dwords, 1 vec2 store */
+               outer_comps = 2;
+               inner_comps = 0;
+               break;
+       case PIPE_PRIM_TRIANGLES:
+               stride = 4; /* 4 dwords, 1 vec4 store */
+               outer_comps = 3;
+               inner_comps = 1;
+               break;
+       case PIPE_PRIM_QUADS:
+               stride = 6; /* 6 dwords, 2 stores (vec4 + vec2) */
+               outer_comps = 4;
+               inner_comps = 2;
+               break;
+       default:
+               assert(0);
+               return;
        }
 
-       for (i = 0; i < 4; i++)
-               if (pos_args[i][0])
-                       shader->nr_pos_exports++;
-
-       pos_idx = 0;
-       for (i = 0; i < 4; i++) {
-               if (!pos_args[i][0])
-                       continue;
+       /* Load tess_inner and tess_outer from LDS.
+        * Any invocation can write them, so we can't get them from a temporary.
+        */
+       tess_inner_index = si_shader_io_get_unique_index(TGSI_SEMANTIC_TESSINNER, 0);
+       tess_outer_index = si_shader_io_get_unique_index(TGSI_SEMANTIC_TESSOUTER, 0);
 
-               /* Specify the target we are exporting */
-               pos_args[i][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS + pos_idx++);
+       lds_base = get_tcs_out_current_patch_data_offset(si_shader_ctx);
+       lds_inner = LLVMBuildAdd(gallivm->builder, lds_base,
+                                lp_build_const_int32(gallivm,
+                                                     tess_inner_index * 4), "");
+       lds_outer = LLVMBuildAdd(gallivm->builder, lds_base,
+                                lp_build_const_int32(gallivm,
+                                                     tess_outer_index * 4), "");
+
+       for (i = 0; i < outer_comps; i++)
+               out[i] = lds_load(bld_base, TGSI_TYPE_SIGNED, i, lds_outer);
+       for (i = 0; i < inner_comps; i++)
+               out[outer_comps+i] = lds_load(bld_base, TGSI_TYPE_SIGNED, i, lds_inner);
+
+       /* Convert the outputs to vectors for stores. */
+       vec0 = lp_build_gather_values(gallivm, out, MIN2(stride, 4));
+       vec1 = NULL;
+
+       if (stride > 4)
+               vec1 = lp_build_gather_values(gallivm, out+4, stride - 4);
+
+       /* Get the buffer. */
+       rw_buffers = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                                 SI_PARAM_RW_BUFFERS);
+       buffer = build_indexed_load_const(si_shader_ctx, rw_buffers,
+                       lp_build_const_int32(gallivm, SI_RING_TESS_FACTOR));
+
+       /* Get the offset. */
+       tf_base = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                              SI_PARAM_TESS_FACTOR_OFFSET);
+       rel_patch_id = get_rel_patch_id(si_shader_ctx);
+       byteoffset = LLVMBuildMul(gallivm->builder, rel_patch_id,
+                                 lp_build_const_int32(gallivm, 4 * stride), "");
+
+       /* Store the outputs. */
+       build_tbuffer_store_dwords(si_shader_ctx, buffer, vec0,
+                                  MIN2(stride, 4), byteoffset, tf_base, 0);
+       if (vec1)
+               build_tbuffer_store_dwords(si_shader_ctx, buffer, vec1,
+                                          stride - 4, byteoffset, tf_base, 16);
+       lp_build_endif(&if_ctx);
+}
 
-               if (pos_idx == shader->nr_pos_exports)
-                       /* Specify that this is the last export */
-                       pos_args[i][2] = uint->one;
+static void si_llvm_emit_ls_epilogue(struct lp_build_tgsi_context * bld_base)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       struct si_shader *shader = si_shader_ctx->shader;
+       struct tgsi_shader_info *info = &shader->selector->info;
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+       unsigned i, chan;
+       LLVMValueRef vertex_id = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+                                             si_shader_ctx->param_rel_auto_id);
+       LLVMValueRef vertex_dw_stride =
+               unpack_param(si_shader_ctx, SI_PARAM_LS_OUT_LAYOUT, 13, 8);
+       LLVMValueRef base_dw_addr = LLVMBuildMul(gallivm->builder, vertex_id,
+                                                vertex_dw_stride, "");
+
+       /* Write outputs to LDS. The next shader (TCS aka HS) will read
+        * its inputs from it. */
+       for (i = 0; i < info->num_outputs; i++) {
+               LLVMValueRef *out_ptr = si_shader_ctx->radeon_bld.soa.outputs[i];
+               unsigned name = info->output_semantic_name[i];
+               unsigned index = info->output_semantic_index[i];
+               int param = si_shader_io_get_unique_index(name, index);
+               LLVMValueRef dw_addr = LLVMBuildAdd(gallivm->builder, base_dw_addr,
+                                       lp_build_const_int32(gallivm, param * 4), "");
 
-               lp_build_intrinsic(base->gallivm->builder,
-                                  "llvm.SI.export",
-                                  LLVMVoidTypeInContext(base->gallivm->context),
-                                  pos_args[i], 9);
+               for (chan = 0; chan < 4; chan++) {
+                       lds_store(bld_base, chan, dw_addr,
+                                 LLVMBuildLoad(gallivm->builder, out_ptr[chan], ""));
+               }
        }
 }
 
@@ -1288,17 +1972,25 @@ static void si_llvm_emit_es_epilogue(struct lp_build_tgsi_context * bld_base)
        struct tgsi_shader_info *info = &es->selector->info;
        LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context);
        LLVMValueRef soffset = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
-                                           SI_PARAM_ES2GS_OFFSET);
+                                           si_shader_ctx->param_es2gs_offset);
+       uint64_t enabled_outputs = si_shader_ctx->type == TGSI_PROCESSOR_TESS_EVAL ?
+                                          es->key.tes.es_enabled_outputs :
+                                          es->key.vs.es_enabled_outputs;
        unsigned chan;
        int i;
 
        for (i = 0; i < info->num_outputs; i++) {
                LLVMValueRef *out_ptr =
                        si_shader_ctx->radeon_bld.soa.outputs[i];
-               int param_index = get_param_index(info->output_semantic_name[i],
-                                                 info->output_semantic_index[i],
-                                                 es->key.vs.gs_used_inputs);
+               int param_index;
+
+               if (info->output_semantic_name[i] == TGSI_SEMANTIC_VIEWPORT_INDEX ||
+                   info->output_semantic_name[i] == TGSI_SEMANTIC_LAYER)
+                       continue;
 
+               param_index = get_param_index(info->output_semantic_name[i],
+                                             info->output_semantic_index[i],
+                                             enabled_outputs);
                if (param_index < 0)
                        continue;
 
@@ -1326,7 +2018,7 @@ static void si_llvm_emit_gs_epilogue(struct lp_build_tgsi_context *bld_base)
 
        args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_NOP | SENDMSG_GS_DONE);
        args[1] = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_GS_WAVE_ID);
-       build_intrinsic(gallivm->builder, "llvm.SI.sendmsg",
+       lp_build_intrinsic(gallivm->builder, "llvm.SI.sendmsg",
                        LLVMVoidTypeInContext(gallivm->context), args, 2,
                        LLVMNoUnwindAttribute);
 }
@@ -1339,7 +2031,7 @@ static void si_llvm_emit_vs_epilogue(struct lp_build_tgsi_context * bld_base)
        struct si_shader_output_values *outputs = NULL;
        int i,j;
 
-       outputs = MALLOC(info->num_outputs * sizeof(outputs[0]));
+       outputs = MALLOC((info->num_outputs + 1) * sizeof(outputs[0]));
 
        for (i = 0; i < info->num_outputs; i++) {
                outputs[i].name = info->output_semantic_name[i];
@@ -1352,7 +2044,19 @@ static void si_llvm_emit_vs_epilogue(struct lp_build_tgsi_context * bld_base)
                                              "");
        }
 
-       si_llvm_export_vs(bld_base, outputs, info->num_outputs);
+       /* Export PrimitiveID when PS needs it. */
+       if (si_vs_exports_prim_id(si_shader_ctx->shader)) {
+               outputs[i].name = TGSI_SEMANTIC_PRIMID;
+               outputs[i].sid = 0;
+               outputs[i].values[0] = bitcast(bld_base, TGSI_TYPE_FLOAT,
+                                              get_primitive_id(bld_base, 0));
+               outputs[i].values[1] = bld_base->base.undef;
+               outputs[i].values[2] = bld_base->base.undef;
+               outputs[i].values[3] = bld_base->base.undef;
+               i++;
+       }
+
+       si_llvm_export_vs(bld_base, outputs, i);
        FREE(outputs);
 }
 
@@ -1417,7 +2121,7 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base)
                                lp_build_intrinsic(base->gallivm->builder,
                                                   "llvm.SI.export",
                                                   LLVMVoidTypeInContext(base->gallivm->context),
-                                                  last_args, 9);
+                                                  last_args, 9, 0);
                        }
 
                        /* This instruction will be emitted at the end of the shader. */
@@ -1434,14 +2138,14 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base)
                                        lp_build_intrinsic(base->gallivm->builder,
                                                           "llvm.SI.export",
                                                           LLVMVoidTypeInContext(base->gallivm->context),
-                                                          args, 9);
+                                                          args, 9, 0);
                                }
                        }
                } else {
                        lp_build_intrinsic(base->gallivm->builder,
                                           "llvm.SI.export",
                                           LLVMVoidTypeInContext(base->gallivm->context),
-                                          args, 9);
+                                          args, 9, 0);
                }
        }
 
@@ -1503,7 +2207,7 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base)
                        lp_build_intrinsic(base->gallivm->builder,
                                           "llvm.SI.export",
                                           LLVMVoidTypeInContext(base->gallivm->context),
-                                          args, 9);
+                                          args, 9, 0);
                else
                        memcpy(last_args, args, sizeof(args));
        }
@@ -1534,7 +2238,7 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base)
        lp_build_intrinsic(base->gallivm->builder,
                           "llvm.SI.export",
                           LLVMVoidTypeInContext(base->gallivm->context),
-                          last_args, 9);
+                          last_args, 9, 0);
 }
 
 static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
@@ -1563,15 +2267,36 @@ static void tex_fetch_args(
        const struct tgsi_full_instruction * inst = emit_data->inst;
        unsigned opcode = inst->Instruction.Opcode;
        unsigned target = inst->Texture.Texture;
-       LLVMValueRef coords[5];
+       LLVMValueRef coords[5], derivs[6];
        LLVMValueRef address[16];
        int ref_pos;
        unsigned num_coords = tgsi_util_get_texture_coord_dim(target, &ref_pos);
        unsigned count = 0;
        unsigned chan;
-       unsigned sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1;
-       unsigned sampler_index = emit_data->inst->Src[sampler_src].Register.Index;
+       unsigned sampler_src;
+       unsigned sampler_index;
+       unsigned num_deriv_channels = 0;
        bool has_offset = HAVE_LLVM >= 0x0305 ? inst->Texture.NumOffsets > 0 : false;
+       LLVMValueRef res_ptr, samp_ptr;
+
+       sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1;
+       sampler_index = emit_data->inst->Src[sampler_src].Register.Index;
+
+       if (emit_data->inst->Src[sampler_src].Register.Indirect) {
+               const struct tgsi_full_src_register *reg = &emit_data->inst->Src[sampler_src];
+               LLVMValueRef ind_index;
+
+               ind_index = get_indirect_index(si_shader_ctx, &reg->Indirect, reg->Register.Index);
+
+               res_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_RESOURCE);
+               res_ptr = build_indexed_load_const(si_shader_ctx, res_ptr, ind_index);
+
+               samp_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_SAMPLER);
+               samp_ptr = build_indexed_load_const(si_shader_ctx, samp_ptr, ind_index);
+       } else {
+               res_ptr = si_shader_ctx->resources[sampler_index];
+               samp_ptr = si_shader_ctx->samplers[sampler_index];
+       }
 
        if (target == TGSI_TEXTURE_BUFFER) {
                LLVMTypeRef i128 = LLVMIntTypeInContext(gallivm->context, 128);
@@ -1580,7 +2305,7 @@ static void tex_fetch_args(
                LLVMTypeRef v16i8 = LLVMVectorType(i8, 16);
 
                /* Bitcast and truncate v8i32 to v16i8. */
-               LLVMValueRef res = si_shader_ctx->resources[sampler_index];
+               LLVMValueRef res = res_ptr;
                res = LLVMBuildBitCast(gallivm->builder, res, v2i128, "");
                res = LLVMBuildExtractElement(gallivm->builder, res, bld_base->uint_bld.one, "");
                res = LLVMBuildBitCast(gallivm->builder, res, v16i8, "");
@@ -1649,18 +2374,13 @@ static void tex_fetch_args(
                }
        }
 
-       if (target == TGSI_TEXTURE_CUBE ||
-           target == TGSI_TEXTURE_CUBE_ARRAY ||
-           target == TGSI_TEXTURE_SHADOWCUBE ||
-           target == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
-               radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, coords);
-
        /* Pack user derivatives */
        if (opcode == TGSI_OPCODE_TXD) {
-               int num_deriv_channels, param;
+               int param, num_src_deriv_channels;
 
                switch (target) {
                case TGSI_TEXTURE_3D:
+                       num_src_deriv_channels = 3;
                        num_deriv_channels = 3;
                        break;
                case TGSI_TEXTURE_2D:
@@ -1669,27 +2389,44 @@ static void tex_fetch_args(
                case TGSI_TEXTURE_SHADOWRECT:
                case TGSI_TEXTURE_2D_ARRAY:
                case TGSI_TEXTURE_SHADOW2D_ARRAY:
+                       num_src_deriv_channels = 2;
+                       num_deriv_channels = 2;
+                       break;
                case TGSI_TEXTURE_CUBE:
                case TGSI_TEXTURE_SHADOWCUBE:
                case TGSI_TEXTURE_CUBE_ARRAY:
                case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
+                       /* Cube derivatives will be converted to 2D. */
+                       num_src_deriv_channels = 3;
                        num_deriv_channels = 2;
                        break;
                case TGSI_TEXTURE_1D:
                case TGSI_TEXTURE_SHADOW1D:
                case TGSI_TEXTURE_1D_ARRAY:
                case TGSI_TEXTURE_SHADOW1D_ARRAY:
+                       num_src_deriv_channels = 1;
                        num_deriv_channels = 1;
                        break;
                default:
                        assert(0); /* no other targets are valid here */
                }
 
-               for (param = 1; param <= 2; param++)
-                       for (chan = 0; chan < num_deriv_channels; chan++)
-                               address[count++] = lp_build_emit_fetch(bld_base, inst, param, chan);
+               for (param = 0; param < 2; param++)
+                       for (chan = 0; chan < num_src_deriv_channels; chan++)
+                               derivs[param * num_src_deriv_channels + chan] =
+                                       lp_build_emit_fetch(bld_base, inst, param+1, chan);
        }
 
+       if (target == TGSI_TEXTURE_CUBE ||
+           target == TGSI_TEXTURE_CUBE_ARRAY ||
+           target == TGSI_TEXTURE_SHADOWCUBE ||
+           target == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
+               radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, coords, derivs);
+
+       if (opcode == TGSI_OPCODE_TXD)
+               for (int i = 0; i < num_deriv_channels * 2; i++)
+                       address[count++] = derivs[i];
+
        /* Pack texture coordinates */
        address[count++] = coords[0];
        if (num_coords > 1)
@@ -1806,7 +2543,7 @@ static void tex_fetch_args(
        }
 
        /* Resource */
-       emit_data->args[1] = si_shader_ctx->resources[sampler_index];
+       emit_data->args[1] = res_ptr;
 
        if (opcode == TGSI_OPCODE_TXF) {
                /* add tex offsets */
@@ -1889,7 +2626,7 @@ static void tex_fetch_args(
                        dmask = 1 << gather_comp;
                }
 
-               emit_data->args[2] = si_shader_ctx->samplers[sampler_index];
+               emit_data->args[2] = samp_ptr;
                emit_data->args[3] = lp_build_const_int32(gallivm, dmask);
                emit_data->args[4] = lp_build_const_int32(gallivm, is_rect); /* unorm */
                emit_data->args[5] = lp_build_const_int32(gallivm, 0); /* r128 */
@@ -1905,7 +2642,7 @@ static void tex_fetch_args(
                        LLVMFloatTypeInContext(gallivm->context),
                        4);
        } else {
-               emit_data->args[2] = si_shader_ctx->samplers[sampler_index];
+               emit_data->args[2] = samp_ptr;
                emit_data->args[3] = lp_build_const_int32(gallivm, target);
                emit_data->arg_count = 4;
 
@@ -1940,7 +2677,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
                                emit_data->inst->Texture.NumOffsets > 0 : false;
 
        if (target == TGSI_TEXTURE_BUFFER) {
-               emit_data->output[emit_data->chan] = build_intrinsic(
+               emit_data->output[emit_data->chan] = lp_build_intrinsic(
                        base->gallivm->builder,
                        "llvm.SI.vs.load.input", emit_data->dst_type,
                        emit_data->args, emit_data->arg_count,
@@ -1989,7 +2726,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
                        is_shadow ? ".c" : "", infix, has_offset ? ".o" : "",
                        LLVMGetVectorSize(LLVMTypeOf(emit_data->args[0])));
 
-               emit_data->output[emit_data->chan] = build_intrinsic(
+               emit_data->output[emit_data->chan] = lp_build_intrinsic(
                        base->gallivm->builder, intr_name, emit_data->dst_type,
                        emit_data->args, emit_data->arg_count,
                        LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
@@ -2036,7 +2773,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
                sprintf(intr_name, "%s.v%ui32", name,
                        LLVMGetVectorSize(LLVMTypeOf(emit_data->args[0])));
 
-               emit_data->output[emit_data->chan] = build_intrinsic(
+               emit_data->output[emit_data->chan] = lp_build_intrinsic(
                        base->gallivm->builder, intr_name, emit_data->dst_type,
                        emit_data->args, emit_data->arg_count,
                        LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
@@ -2051,13 +2788,26 @@ static void txq_fetch_args(
        const struct tgsi_full_instruction *inst = emit_data->inst;
        struct gallivm_state *gallivm = bld_base->base.gallivm;
        unsigned target = inst->Texture.Texture;
+       LLVMValueRef res_ptr;
+
+       if (inst->Src[1].Register.Indirect) {
+               const struct tgsi_full_src_register *reg = &inst->Src[1];
+               LLVMValueRef ind_index;
+
+               ind_index = get_indirect_index(si_shader_ctx, &reg->Indirect, reg->Register.Index);
+
+               res_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_RESOURCE);
+               res_ptr = build_indexed_load_const(si_shader_ctx, res_ptr,
+                                                  ind_index);
+       } else
+               res_ptr = si_shader_ctx->resources[inst->Src[1].Register.Index];
 
        if (target == TGSI_TEXTURE_BUFFER) {
                LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context);
                LLVMTypeRef v8i32 = LLVMVectorType(i32, 8);
 
                /* Read the size from the buffer descriptor directly. */
-               LLVMValueRef size = si_shader_ctx->resources[inst->Src[1].Register.Index];
+               LLVMValueRef size = res_ptr;
                size = LLVMBuildBitCast(gallivm->builder, size, v8i32, "");
                size = LLVMBuildExtractElement(gallivm->builder, size,
                                              lp_build_const_int32(gallivm, 6), "");
@@ -2069,7 +2819,7 @@ static void txq_fetch_args(
        emit_data->args[0] = lp_build_emit_fetch(bld_base, inst, 0, TGSI_CHAN_X);
 
        /* Resource */
-       emit_data->args[1] = si_shader_ctx->resources[inst->Src[1].Register.Index];
+       emit_data->args[1] = res_ptr;
 
        /* Texture target */
        if (target == TGSI_TEXTURE_CUBE_ARRAY ||
@@ -2116,6 +2866,35 @@ static void build_txq_intrinsic(const struct lp_build_tgsi_action * action,
        }
 }
 
+/*
+ * SI implements derivatives using the local data store (LDS)
+ * All writes to the LDS happen in all executing threads at
+ * the same time. TID is the Thread ID for the current
+ * thread and is a value between 0 and 63, representing
+ * the thread's position in the wavefront.
+ *
+ * For the pixel shader threads are grouped into quads of four pixels.
+ * The TIDs of the pixels of a quad are:
+ *
+ *  +------+------+
+ *  |4n + 0|4n + 1|
+ *  +------+------+
+ *  |4n + 2|4n + 3|
+ *  +------+------+
+ *
+ * So, masking the TID with 0xfffffffc yields the TID of the top left pixel
+ * of the quad, masking with 0xfffffffd yields the TID of the top pixel of
+ * the current pixel's column, and masking with 0xfffffffe yields the TID
+ * of the left pixel of the current pixel's row.
+ *
+ * Adding 1 yields the TID of the pixel to the right of the left pixel, and
+ * adding 2 yields the TID of the pixel below the top pixel.
+ */
+/* masks for thread ID. */
+#define TID_MASK_TOP_LEFT 0xfffffffc
+#define TID_MASK_TOP      0xfffffffd
+#define TID_MASK_LEFT     0xfffffffe
+
 static void si_llvm_emit_ddxy(
        const struct lp_build_tgsi_action * action,
        struct lp_build_tgsi_context * bld_base,
@@ -2132,25 +2911,34 @@ static void si_llvm_emit_ddxy(
        LLVMTypeRef i32;
        unsigned swizzle[4];
        unsigned c;
+       int idx;
+       unsigned mask;
 
        i32 = LLVMInt32TypeInContext(gallivm->context);
 
        indices[0] = bld_base->uint_bld.zero;
-       indices[1] = build_intrinsic(gallivm->builder, "llvm.SI.tid", i32,
+       indices[1] = lp_build_intrinsic(gallivm->builder, "llvm.SI.tid", i32,
                                     NULL, 0, LLVMReadNoneAttribute);
-       store_ptr = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds,
+       store_ptr = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
                                 indices, 2, "");
 
+       if (opcode == TGSI_OPCODE_DDX_FINE)
+               mask = TID_MASK_LEFT;
+       else if (opcode == TGSI_OPCODE_DDY_FINE)
+               mask = TID_MASK_TOP;
+       else
+               mask = TID_MASK_TOP_LEFT;
+
        indices[1] = LLVMBuildAnd(gallivm->builder, indices[1],
-                                 lp_build_const_int32(gallivm, 0xfffffffc), "");
-       load_ptr0 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds,
+                                 lp_build_const_int32(gallivm, mask), "");
+       load_ptr0 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
                                 indices, 2, "");
 
+       /* for DDX we want to next X pixel, DDY next Y pixel. */
+       idx = (opcode == TGSI_OPCODE_DDX || opcode == TGSI_OPCODE_DDX_FINE) ? 1 : 2;
        indices[1] = LLVMBuildAdd(gallivm->builder, indices[1],
-                                 lp_build_const_int32(gallivm,
-                                                      opcode == TGSI_OPCODE_DDX ? 1 : 2),
-                                 "");
-       load_ptr1 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds,
+                                 lp_build_const_int32(gallivm, idx), "");
+       load_ptr1 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
                                 indices, 2, "");
 
        for (c = 0; c < 4; ++c) {
@@ -2184,6 +2972,247 @@ static void si_llvm_emit_ddxy(
        emit_data->output[0] = lp_build_gather_values(gallivm, result, 4);
 }
 
+/*
+ * this takes an I,J coordinate pair,
+ * and works out the X and Y derivatives.
+ * it returns DDX(I), DDX(J), DDY(I), DDY(J).
+ */
+static LLVMValueRef si_llvm_emit_ddxy_interp(
+       struct lp_build_tgsi_context *bld_base,
+       LLVMValueRef interp_ij)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+       struct lp_build_context *base = &bld_base->base;
+       LLVMValueRef indices[2];
+       LLVMValueRef store_ptr, load_ptr_x, load_ptr_y, load_ptr_ddx, load_ptr_ddy, temp, temp2;
+       LLVMValueRef tl, tr, bl, result[4];
+       LLVMTypeRef i32;
+       unsigned c;
+
+       i32 = LLVMInt32TypeInContext(gallivm->context);
+
+       indices[0] = bld_base->uint_bld.zero;
+       indices[1] = lp_build_intrinsic(gallivm->builder, "llvm.SI.tid", i32,
+                                       NULL, 0, LLVMReadNoneAttribute);
+       store_ptr = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
+                                indices, 2, "");
+
+       temp = LLVMBuildAnd(gallivm->builder, indices[1],
+                           lp_build_const_int32(gallivm, TID_MASK_LEFT), "");
+
+       temp2 = LLVMBuildAnd(gallivm->builder, indices[1],
+                            lp_build_const_int32(gallivm, TID_MASK_TOP), "");
+
+       indices[1] = temp;
+       load_ptr_x = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
+                                 indices, 2, "");
+
+       indices[1] = temp2;
+       load_ptr_y = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
+                                 indices, 2, "");
+
+       indices[1] = LLVMBuildAdd(gallivm->builder, temp,
+                                 lp_build_const_int32(gallivm, 1), "");
+       load_ptr_ddx = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
+                                  indices, 2, "");
+
+       indices[1] = LLVMBuildAdd(gallivm->builder, temp2,
+                                 lp_build_const_int32(gallivm, 2), "");
+       load_ptr_ddy = LLVMBuildGEP(gallivm->builder, si_shader_ctx->lds,
+                                  indices, 2, "");
+
+       for (c = 0; c < 2; ++c) {
+               LLVMValueRef store_val;
+               LLVMValueRef c_ll = lp_build_const_int32(gallivm, c);
+
+               store_val = LLVMBuildExtractElement(gallivm->builder,
+                                                   interp_ij, c_ll, "");
+               LLVMBuildStore(gallivm->builder,
+                              store_val,
+                              store_ptr);
+
+               tl = LLVMBuildLoad(gallivm->builder, load_ptr_x, "");
+               tl = LLVMBuildBitCast(gallivm->builder, tl, base->elem_type, "");
+
+               tr = LLVMBuildLoad(gallivm->builder, load_ptr_ddx, "");
+               tr = LLVMBuildBitCast(gallivm->builder, tr, base->elem_type, "");
+
+               result[c] = LLVMBuildFSub(gallivm->builder, tr, tl, "");
+
+               tl = LLVMBuildLoad(gallivm->builder, load_ptr_y, "");
+               tl = LLVMBuildBitCast(gallivm->builder, tl, base->elem_type, "");
+
+               bl = LLVMBuildLoad(gallivm->builder, load_ptr_ddy, "");
+               bl = LLVMBuildBitCast(gallivm->builder, bl, base->elem_type, "");
+
+               result[c + 2] = LLVMBuildFSub(gallivm->builder, bl, tl, "");
+       }
+
+       return lp_build_gather_values(gallivm, result, 4);
+}
+
+static void interp_fetch_args(
+       struct lp_build_tgsi_context *bld_base,
+       struct lp_build_emit_data *emit_data)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+       const struct tgsi_full_instruction *inst = emit_data->inst;
+
+       if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET) {
+               /* offset is in second src, first two channels */
+               emit_data->args[0] = lp_build_emit_fetch(bld_base,
+                                                        emit_data->inst, 1,
+                                                        0);
+               emit_data->args[1] = lp_build_emit_fetch(bld_base,
+                                                        emit_data->inst, 1,
+                                                        1);
+               emit_data->arg_count = 2;
+       } else if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) {
+               LLVMValueRef sample_position;
+               LLVMValueRef sample_id;
+               LLVMValueRef halfval = lp_build_const_float(gallivm, 0.5f);
+
+               /* fetch sample ID, then fetch its sample position,
+                * and place into first two channels.
+                */
+               sample_id = lp_build_emit_fetch(bld_base,
+                                               emit_data->inst, 1, 0);
+               sample_id = LLVMBuildBitCast(gallivm->builder, sample_id,
+                                            LLVMInt32TypeInContext(gallivm->context),
+                                            "");
+               sample_position = load_sample_position(&si_shader_ctx->radeon_bld, sample_id);
+
+               emit_data->args[0] = LLVMBuildExtractElement(gallivm->builder,
+                                                            sample_position,
+                                                            lp_build_const_int32(gallivm, 0), "");
+
+               emit_data->args[0] = LLVMBuildFSub(gallivm->builder, emit_data->args[0], halfval, "");
+               emit_data->args[1] = LLVMBuildExtractElement(gallivm->builder,
+                                                            sample_position,
+                                                            lp_build_const_int32(gallivm, 1), "");
+               emit_data->args[1] = LLVMBuildFSub(gallivm->builder, emit_data->args[1], halfval, "");
+               emit_data->arg_count = 2;
+       }
+}
+
+static void build_interp_intrinsic(const struct lp_build_tgsi_action *action,
+                               struct lp_build_tgsi_context *bld_base,
+                               struct lp_build_emit_data *emit_data)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       struct si_shader *shader = si_shader_ctx->shader;
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+       LLVMValueRef interp_param;
+       const struct tgsi_full_instruction *inst = emit_data->inst;
+       const char *intr_name;
+       int input_index;
+       int chan;
+       int i;
+       LLVMValueRef attr_number;
+       LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context);
+       LLVMValueRef params = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_PRIM_MASK);
+       int interp_param_idx;
+       unsigned location;
+
+       assert(inst->Src[0].Register.File == TGSI_FILE_INPUT);
+       input_index = inst->Src[0].Register.Index;
+
+       if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET ||
+           inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE)
+               location = TGSI_INTERPOLATE_LOC_CENTER;
+       else
+               location = TGSI_INTERPOLATE_LOC_CENTROID;
+
+       interp_param_idx = lookup_interp_param_index(shader->ps_input_interpolate[input_index],
+                                                    location);
+       if (interp_param_idx == -1)
+               return;
+       else if (interp_param_idx)
+               interp_param = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, interp_param_idx);
+       else
+               interp_param = NULL;
+
+       attr_number = lp_build_const_int32(gallivm,
+                                          shader->ps_input_param_offset[input_index]);
+
+       if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET ||
+           inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) {
+               LLVMValueRef ij_out[2];
+               LLVMValueRef ddxy_out = si_llvm_emit_ddxy_interp(bld_base, interp_param);
+
+               /*
+                * take the I then J parameters, and the DDX/Y for it, and
+                * calculate the IJ inputs for the interpolator.
+                * temp1 = ddx * offset/sample.x + I;
+                * interp_param.I = ddy * offset/sample.y + temp1;
+                * temp1 = ddx * offset/sample.x + J;
+                * interp_param.J = ddy * offset/sample.y + temp1;
+                */
+               for (i = 0; i < 2; i++) {
+                       LLVMValueRef ix_ll = lp_build_const_int32(gallivm, i);
+                       LLVMValueRef iy_ll = lp_build_const_int32(gallivm, i + 2);
+                       LLVMValueRef ddx_el = LLVMBuildExtractElement(gallivm->builder,
+                                                                     ddxy_out, ix_ll, "");
+                       LLVMValueRef ddy_el = LLVMBuildExtractElement(gallivm->builder,
+                                                                     ddxy_out, iy_ll, "");
+                       LLVMValueRef interp_el = LLVMBuildExtractElement(gallivm->builder,
+                                                                        interp_param, ix_ll, "");
+                       LLVMValueRef temp1, temp2;
+
+                       interp_el = LLVMBuildBitCast(gallivm->builder, interp_el,
+                                                    LLVMFloatTypeInContext(gallivm->context), "");
+
+                       temp1 = LLVMBuildFMul(gallivm->builder, ddx_el, emit_data->args[0], "");
+
+                       temp1 = LLVMBuildFAdd(gallivm->builder, temp1, interp_el, "");
+
+                       temp2 = LLVMBuildFMul(gallivm->builder, ddy_el, emit_data->args[1], "");
+
+                       temp2 = LLVMBuildFAdd(gallivm->builder, temp2, temp1, "");
+
+                       ij_out[i] = LLVMBuildBitCast(gallivm->builder,
+                                                    temp2,
+                                                    LLVMIntTypeInContext(gallivm->context, 32), "");
+               }
+               interp_param = lp_build_gather_values(bld_base->base.gallivm, ij_out, 2);
+       }
+
+       intr_name = interp_param ? "llvm.SI.fs.interp" : "llvm.SI.fs.constant";
+       for (chan = 0; chan < 2; chan++) {
+               LLVMValueRef args[4];
+               LLVMValueRef llvm_chan;
+               unsigned schan;
+
+               schan = tgsi_util_get_full_src_register_swizzle(&inst->Src[0], chan);
+               llvm_chan = lp_build_const_int32(gallivm, schan);
+
+               args[0] = llvm_chan;
+               args[1] = attr_number;
+               args[2] = params;
+               args[3] = interp_param;
+
+               emit_data->output[chan] =
+                       lp_build_intrinsic(gallivm->builder, intr_name,
+                                          input_type, args, args[3] ? 4 : 3,
+                                          LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+       }
+}
+
+static unsigned si_llvm_get_stream(struct lp_build_tgsi_context *bld_base,
+                                      struct lp_build_emit_data *emit_data)
+{
+       LLVMValueRef (*imms)[4] = lp_soa_context(bld_base)->immediates;
+       struct tgsi_src_register src0 = emit_data->inst->Src[0].Register;
+       unsigned stream;
+
+       assert(src0.File == TGSI_FILE_IMMEDIATE);
+
+       stream = LLVMConstIntGetZExtValue(imms[src0.Index][src0.SwizzleX]) & 0x3;
+       return stream;
+}
+
 /* Emit one vertex from the geometry shader */
 static void si_llvm_emit_vertex(
        const struct lp_build_tgsi_action *action,
@@ -2203,9 +3232,14 @@ static void si_llvm_emit_vertex(
        LLVMValueRef args[2];
        unsigned chan;
        int i;
+       unsigned stream;
+
+       stream = si_llvm_get_stream(bld_base, emit_data);
 
        /* Write vertex attribute values to GSVS ring */
-       gs_next_vertex = LLVMBuildLoad(gallivm->builder, si_shader_ctx->gs_next_vertex, "");
+       gs_next_vertex = LLVMBuildLoad(gallivm->builder,
+                                      si_shader_ctx->gs_next_vertex[stream],
+                                      "");
 
        /* If this thread has already emitted the declared maximum number of
         * vertices, kill it: excessive vertex emissions are not supposed to
@@ -2218,8 +3252,9 @@ static void si_llvm_emit_vertex(
        kill = lp_build_select(&bld_base->base, can_emit,
                               lp_build_const_float(gallivm, 1.0f),
                               lp_build_const_float(gallivm, -1.0f));
-       build_intrinsic(gallivm->builder, "llvm.AMDGPU.kill",
-                       LLVMVoidTypeInContext(gallivm->context), &kill, 1, 0);
+
+       lp_build_intrinsic(gallivm->builder, "llvm.AMDGPU.kill",
+                          LLVMVoidTypeInContext(gallivm->context), &kill, 1, 0);
 
        for (i = 0; i < info->num_outputs; i++) {
                LLVMValueRef *out_ptr =
@@ -2237,7 +3272,7 @@ static void si_llvm_emit_vertex(
                        out_val = LLVMBuildBitCast(gallivm->builder, out_val, i32, "");
 
                        build_tbuffer_store(si_shader_ctx,
-                                           si_shader_ctx->gsvs_ring,
+                                           si_shader_ctx->gsvs_ring[stream],
                                            out_val, 1,
                                            voffset, soffset, 0,
                                            V_008F0C_BUF_DATA_FORMAT_32,
@@ -2247,12 +3282,13 @@ static void si_llvm_emit_vertex(
        }
        gs_next_vertex = lp_build_add(uint, gs_next_vertex,
                                      lp_build_const_int32(gallivm, 1));
-       LLVMBuildStore(gallivm->builder, gs_next_vertex, si_shader_ctx->gs_next_vertex);
+
+       LLVMBuildStore(gallivm->builder, gs_next_vertex, si_shader_ctx->gs_next_vertex[stream]);
 
        /* Signal vertex emission */
-       args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_EMIT | SENDMSG_GS);
+       args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_EMIT | SENDMSG_GS | (stream << 8));
        args[1] = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_GS_WAVE_ID);
-       build_intrinsic(gallivm->builder, "llvm.SI.sendmsg",
+       lp_build_intrinsic(gallivm->builder, "llvm.SI.sendmsg",
                        LLVMVoidTypeInContext(gallivm->context), args, 2,
                        LLVMNoUnwindAttribute);
 }
@@ -2266,15 +3302,28 @@ static void si_llvm_emit_primitive(
        struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
        struct gallivm_state *gallivm = bld_base->base.gallivm;
        LLVMValueRef args[2];
+       unsigned stream;
 
        /* Signal primitive cut */
-       args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_CUT | SENDMSG_GS);
+       stream = si_llvm_get_stream(bld_base, emit_data);
+       args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_CUT | SENDMSG_GS | (stream << 8));
        args[1] = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_GS_WAVE_ID);
-       build_intrinsic(gallivm->builder, "llvm.SI.sendmsg",
+       lp_build_intrinsic(gallivm->builder, "llvm.SI.sendmsg",
                        LLVMVoidTypeInContext(gallivm->context), args, 2,
                        LLVMNoUnwindAttribute);
 }
 
+static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action,
+                                struct lp_build_tgsi_context *bld_base,
+                                struct lp_build_emit_data *emit_data)
+{
+       struct gallivm_state *gallivm = bld_base->base.gallivm;
+
+       lp_build_intrinsic(gallivm->builder, "llvm.AMDGPU.barrier.local",
+                       LLVMVoidTypeInContext(gallivm->context), NULL, 0,
+                       LLVMNoUnwindAttribute);
+}
+
 static const struct lp_build_tgsi_action tex_action = {
        .fetch_args = tex_fetch_args,
        .emit = build_tex_intrinsic,
@@ -2286,6 +3335,11 @@ static const struct lp_build_tgsi_action txq_action = {
        .intr_name = "llvm.SI.resinfo"
 };
 
+static const struct lp_build_tgsi_action interp_action = {
+       .fetch_args = interp_fetch_args,
+       .emit = build_interp_intrinsic,
+};
+
 static void create_meta_data(struct si_shader_context *si_shader_ctx)
 {
        struct gallivm_state *gallivm = si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm;
@@ -2304,6 +3358,27 @@ static LLVMTypeRef const_array(LLVMTypeRef elem_type, int num_elements)
                               CONST_ADDR_SPACE);
 }
 
+static void declare_streamout_params(struct si_shader_context *si_shader_ctx,
+                                    struct pipe_stream_output_info *so,
+                                    LLVMTypeRef *params, LLVMTypeRef i32,
+                                    unsigned *num_params)
+{
+       int i;
+
+       /* Streamout SGPRs. */
+       if (so->num_outputs) {
+               params[si_shader_ctx->param_streamout_config = (*num_params)++] = i32;
+               params[si_shader_ctx->param_streamout_write_index = (*num_params)++] = i32;
+       }
+       /* A streamout buffer offset is loaded if the stride is non-zero. */
+       for (i = 0; i < 4; i++) {
+               if (!so->stride[i])
+                       continue;
+
+               params[si_shader_ctx->param_streamout_offset[i] = (*num_params)++] = i32;
+       }
+}
+
 static void create_function(struct si_shader_context *si_shader_ctx)
 {
        struct lp_build_tgsi_context *bld_base = &si_shader_ctx->radeon_bld.soa.bld_base;
@@ -2336,8 +3411,10 @@ static void create_function(struct si_shader_context *si_shader_ctx)
                num_params = SI_PARAM_START_INSTANCE+1;
 
                if (shader->key.vs.as_es) {
-                       params[SI_PARAM_ES2GS_OFFSET] = i32;
-                       num_params++;
+                       params[si_shader_ctx->param_es2gs_offset = num_params++] = i32;
+               } else if (shader->key.vs.as_ls) {
+                       params[SI_PARAM_LS_OUT_LAYOUT] = i32;
+                       num_params = SI_PARAM_LS_OUT_LAYOUT+1;
                } else {
                        if (shader->is_gs_copy_shader) {
                                last_array_pointer = SI_PARAM_CONST;
@@ -2345,30 +3422,52 @@ static void create_function(struct si_shader_context *si_shader_ctx)
                        }
 
                        /* The locations of the other parameters are assigned dynamically. */
-
-                       /* Streamout SGPRs. */
-                       if (shader->selector->so.num_outputs) {
-                               params[si_shader_ctx->param_streamout_config = num_params++] = i32;
-                               params[si_shader_ctx->param_streamout_write_index = num_params++] = i32;
-                       }
-                       /* A streamout buffer offset is loaded if the stride is non-zero. */
-                       for (i = 0; i < 4; i++) {
-                               if (!shader->selector->so.stride[i])
-                                       continue;
-
-                               params[si_shader_ctx->param_streamout_offset[i] = num_params++] = i32;
-                       }
+                       declare_streamout_params(si_shader_ctx, &shader->selector->so,
+                                                params, i32, &num_params);
                }
 
                last_sgpr = num_params-1;
 
                /* VGPRs */
                params[si_shader_ctx->param_vertex_id = num_params++] = i32;
-               params[num_params++] = i32; /* unused*/
-               params[num_params++] = i32; /* unused */
+               params[si_shader_ctx->param_rel_auto_id = num_params++] = i32;
+               params[si_shader_ctx->param_vs_prim_id = num_params++] = i32;
                params[si_shader_ctx->param_instance_id = num_params++] = i32;
                break;
 
+       case TGSI_PROCESSOR_TESS_CTRL:
+               params[SI_PARAM_TCS_OUT_OFFSETS] = i32;
+               params[SI_PARAM_TCS_OUT_LAYOUT] = i32;
+               params[SI_PARAM_TCS_IN_LAYOUT] = i32;
+               params[SI_PARAM_TESS_FACTOR_OFFSET] = i32;
+               last_sgpr = SI_PARAM_TESS_FACTOR_OFFSET;
+
+               /* VGPRs */
+               params[SI_PARAM_PATCH_ID] = i32;
+               params[SI_PARAM_REL_IDS] = i32;
+               num_params = SI_PARAM_REL_IDS+1;
+               break;
+
+       case TGSI_PROCESSOR_TESS_EVAL:
+               params[SI_PARAM_TCS_OUT_OFFSETS] = i32;
+               params[SI_PARAM_TCS_OUT_LAYOUT] = i32;
+               num_params = SI_PARAM_TCS_OUT_LAYOUT+1;
+
+               if (shader->key.tes.as_es) {
+                       params[si_shader_ctx->param_es2gs_offset = num_params++] = i32;
+               } else {
+                       declare_streamout_params(si_shader_ctx, &shader->selector->so,
+                                                params, i32, &num_params);
+               }
+               last_sgpr = num_params - 1;
+
+               /* VGPRs */
+               params[si_shader_ctx->param_tes_u = num_params++] = f32;
+               params[si_shader_ctx->param_tes_v = num_params++] = f32;
+               params[si_shader_ctx->param_tes_rel_patch_id = num_params++] = i32;
+               params[si_shader_ctx->param_tes_patch_id = num_params++] = i32;
+               break;
+
        case TGSI_PROCESSOR_GEOMETRY:
                params[SI_PARAM_GS2VS_OFFSET] = i32;
                params[SI_PARAM_GS_WAVE_ID] = i32;
@@ -2435,12 +3534,35 @@ static void create_function(struct si_shader_context *si_shader_ctx)
 
        if (bld_base->info &&
            (bld_base->info->opcode_count[TGSI_OPCODE_DDX] > 0 ||
-            bld_base->info->opcode_count[TGSI_OPCODE_DDY] > 0))
-               si_shader_ctx->ddxy_lds =
+            bld_base->info->opcode_count[TGSI_OPCODE_DDY] > 0 ||
+            bld_base->info->opcode_count[TGSI_OPCODE_DDX_FINE] > 0 ||
+            bld_base->info->opcode_count[TGSI_OPCODE_DDY_FINE] > 0 ||
+            bld_base->info->opcode_count[TGSI_OPCODE_INTERP_OFFSET] > 0 ||
+            bld_base->info->opcode_count[TGSI_OPCODE_INTERP_SAMPLE] > 0))
+               si_shader_ctx->lds =
                        LLVMAddGlobalInAddressSpace(gallivm->module,
                                                    LLVMArrayType(i32, 64),
                                                    "ddxy_lds",
                                                    LOCAL_ADDR_SPACE);
+
+       if ((si_shader_ctx->type == TGSI_PROCESSOR_VERTEX && shader->key.vs.as_ls) ||
+           si_shader_ctx->type == TGSI_PROCESSOR_TESS_CTRL ||
+           si_shader_ctx->type == TGSI_PROCESSOR_TESS_EVAL) {
+               /* This is the upper bound, maximum is 32 inputs times 32 vertices */
+               unsigned vertex_data_dw_size = 32*32*4;
+               unsigned patch_data_dw_size = 32*4;
+               /* The formula is: TCS inputs + TCS outputs + TCS patch outputs. */
+               unsigned patch_dw_size = vertex_data_dw_size*2 + patch_data_dw_size;
+               unsigned lds_dwords = patch_dw_size;
+
+               /* The actual size is computed outside of the shader to reduce
+                * the number of shader variants. */
+               si_shader_ctx->lds =
+                       LLVMAddGlobalInAddressSpace(gallivm->module,
+                                                   LLVMArrayType(i32, lds_dwords),
+                                                   "tess_lds",
+                                                   LOCAL_ADDR_SPACE);
+       }
 }
 
 static void preload_constants(struct si_shader_context *si_shader_ctx)
@@ -2517,9 +3639,13 @@ static void preload_streamout_buffers(struct si_shader_context *si_shader_ctx)
        struct gallivm_state * gallivm = bld_base->base.gallivm;
        unsigned i;
 
-       if (si_shader_ctx->type != TGSI_PROCESSOR_VERTEX ||
-           si_shader_ctx->shader->key.vs.as_es ||
-           !si_shader_ctx->shader->selector->so.num_outputs)
+       /* Streamout can only be used if the shader is compiled as VS. */
+       if (!si_shader_ctx->shader->selector->so.num_outputs ||
+           (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX &&
+            (si_shader_ctx->shader->key.vs.as_es ||
+             si_shader_ctx->shader->key.vs.as_ls)) ||
+           (si_shader_ctx->type == TGSI_PROCESSOR_TESS_EVAL &&
+            si_shader_ctx->shader->key.tes.as_es))
                return;
 
        LLVMValueRef buf_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
@@ -2550,6 +3676,8 @@ static void preload_ring_buffers(struct si_shader_context *si_shader_ctx)
 
        if ((si_shader_ctx->type == TGSI_PROCESSOR_VERTEX &&
             si_shader_ctx->shader->key.vs.as_es) ||
+           (si_shader_ctx->type == TGSI_PROCESSOR_TESS_EVAL &&
+            si_shader_ctx->shader->key.tes.as_es) ||
            si_shader_ctx->type == TGSI_PROCESSOR_GEOMETRY) {
                LLVMValueRef offset = lp_build_const_int32(gallivm, SI_RING_ESGS);
 
@@ -2557,13 +3685,21 @@ static void preload_ring_buffers(struct si_shader_context *si_shader_ctx)
                        build_indexed_load_const(si_shader_ctx, buf_ptr, offset);
        }
 
-       if (si_shader_ctx->type == TGSI_PROCESSOR_GEOMETRY ||
-           si_shader_ctx->shader->is_gs_copy_shader) {
+       if (si_shader_ctx->shader->is_gs_copy_shader) {
                LLVMValueRef offset = lp_build_const_int32(gallivm, SI_RING_GSVS);
 
-               si_shader_ctx->gsvs_ring =
+               si_shader_ctx->gsvs_ring[0] =
                        build_indexed_load_const(si_shader_ctx, buf_ptr, offset);
        }
+       if (si_shader_ctx->type == TGSI_PROCESSOR_GEOMETRY) {
+               int i;
+               for (i = 0; i < 4; i++) {
+                       LLVMValueRef offset = lp_build_const_int32(gallivm, SI_RING_GSVS + i);
+
+                       si_shader_ctx->gsvs_ring[i] =
+                               build_indexed_load_const(si_shader_ctx, buf_ptr, offset);
+               }
+       }
 }
 
 void si_shader_binary_read_config(const struct si_screen *sscreen,
@@ -2637,26 +3773,54 @@ void si_shader_apply_scratch_relocs(struct si_context *sctx,
        }
 }
 
-int si_shader_binary_read(struct si_screen *sscreen,
-                       struct si_shader *shader,
-                       const struct radeon_shader_binary *binary)
+int si_shader_binary_upload(struct si_screen *sscreen, struct si_shader *shader)
 {
+       const struct radeon_shader_binary *binary = &shader->binary;
+       unsigned code_size = binary->code_size + binary->rodata_size;
+       unsigned char *ptr;
+
+       r600_resource_reference(&shader->bo, NULL);
+       shader->bo = si_resource_create_custom(&sscreen->b.b,
+                                              PIPE_USAGE_IMMUTABLE,
+                                              code_size);
+       if (!shader->bo)
+               return -ENOMEM;
 
+       ptr = sscreen->b.ws->buffer_map(shader->bo->cs_buf, NULL,
+                                       PIPE_TRANSFER_READ_WRITE);
+       util_memcpy_cpu_to_le32(ptr, binary->code, binary->code_size);
+       if (binary->rodata_size > 0) {
+               ptr += binary->code_size;
+               util_memcpy_cpu_to_le32(ptr, binary->rodata,
+                                       binary->rodata_size);
+       }
+
+       sscreen->b.ws->buffer_unmap(shader->bo->cs_buf);
+       return 0;
+}
+
+int si_shader_binary_read(struct si_screen *sscreen, struct si_shader *shader)
+{
+       const struct radeon_shader_binary *binary = &shader->binary;
        unsigned i;
-       unsigned code_size;
-       unsigned char *ptr;
        bool dump  = r600_can_dump_shader(&sscreen->b,
                shader->selector ? shader->selector->tokens : NULL);
 
        si_shader_binary_read_config(sscreen, shader, 0);
+       si_shader_binary_upload(sscreen, shader);
 
        if (dump) {
-               if (!binary->disassembled) {
-                       fprintf(stderr, "SI CODE:\n");
-                       for (i = 0; i < binary->code_size; i+=4 ) {
-                               fprintf(stderr, "@0x%x: %02x%02x%02x%02x\n", i, binary->code[i + 3],
-                               binary->code[i + 2], binary->code[i + 1],
-                               binary->code[i]);
+               if (!(sscreen->b.debug_flags & DBG_NO_ASM)) {
+                       if (binary->disasm_string) {
+                               fprintf(stderr, "\nShader Disassembly:\n\n");
+                               fprintf(stderr, "%s\n", binary->disasm_string);
+                       } else {
+                               fprintf(stderr, "SI CODE:\n");
+                               for (i = 0; i < binary->code_size; i+=4 ) {
+                                       fprintf(stderr, "@0x%x: %02x%02x%02x%02x\n", i, binary->code[i + 3],
+                                       binary->code[i + 2], binary->code[i + 1],
+                                       binary->code[i]);
+                               }
                        }
                }
 
@@ -2666,26 +3830,6 @@ int si_shader_binary_read(struct si_screen *sscreen,
                        shader->num_sgprs, shader->num_vgprs, binary->code_size,
                        shader->lds_size, shader->scratch_bytes_per_wave);
        }
-
-       /* copy new shader */
-       code_size = binary->code_size + binary->rodata_size;
-       r600_resource_reference(&shader->bo, NULL);
-       shader->bo = si_resource_create_custom(&sscreen->b.b, PIPE_USAGE_IMMUTABLE,
-                                              code_size);
-       if (shader->bo == NULL) {
-               return -ENOMEM;
-       }
-
-
-       ptr = sscreen->b.ws->buffer_map(shader->bo->cs_buf, NULL, PIPE_TRANSFER_READ_WRITE);
-       util_memcpy_cpu_to_le32(ptr, binary->code, binary->code_size);
-       if (binary->rodata_size > 0) {
-               ptr += binary->code_size;
-               util_memcpy_cpu_to_le32(ptr, binary->rodata, binary->rodata_size);
-       }
-
-       sscreen->b.ws->buffer_unmap(shader->bo->cs_buf);
-
        return 0;
 }
 
@@ -2693,15 +3837,16 @@ int si_compile_llvm(struct si_screen *sscreen, struct si_shader *shader,
                    LLVMTargetMachineRef tm, LLVMModuleRef mod)
 {
        int r = 0;
-       bool dump = r600_can_dump_shader(&sscreen->b,
-                       shader->selector ? shader->selector->tokens : NULL);
-       r = radeon_llvm_compile(mod, &shader->binary,
-               r600_get_llvm_processor_name(sscreen->b.family), dump, tm);
+       bool dump_asm = r600_can_dump_shader(&sscreen->b,
+                               shader->selector ? shader->selector->tokens : NULL);
+       bool dump_ir = dump_asm && !(sscreen->b.debug_flags & DBG_NO_IR);
 
-       if (r) {
+       r = radeon_llvm_compile(mod, &shader->binary,
+               r600_get_llvm_processor_name(sscreen->b.family), dump_ir, dump_asm, tm);
+       if (r)
                return r;
-       }
-       r = si_shader_binary_read(sscreen, shader, &shader->binary);
+
+       r = si_shader_binary_read(sscreen, shader);
 
        FREE(shader->binary.config);
        FREE(shader->binary.rodata);
@@ -2709,7 +3854,8 @@ int si_compile_llvm(struct si_screen *sscreen, struct si_shader *shader,
        if (shader->scratch_bytes_per_wave == 0) {
                FREE(shader->binary.code);
                FREE(shader->binary.relocs);
-               memset(&shader->binary, 0, sizeof(shader->binary));
+               memset(&shader->binary, 0,
+                      offsetof(struct radeon_shader_binary, disasm_string));
        }
        return r;
 }
@@ -2741,7 +3887,7 @@ static int si_generate_gs_copy_shader(struct si_screen *sscreen,
        preload_streamout_buffers(si_shader_ctx);
        preload_ring_buffers(si_shader_ctx);
 
-       args[0] = si_shader_ctx->gsvs_ring;
+       args[0] = si_shader_ctx->gsvs_ring[0];
        args[1] = lp_build_mul_imm(uint,
                                   LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
                                                si_shader_ctx->param_vertex_id),
@@ -2767,7 +3913,7 @@ static int si_generate_gs_copy_shader(struct si_screen *sscreen,
 
                        outputs[i].values[chan] =
                                LLVMBuildBitCast(gallivm->builder,
-                                                build_intrinsic(gallivm->builder,
+                                                lp_build_intrinsic(gallivm->builder,
                                                                 "llvm.SI.buffer.load.dword.i32.i32",
                                                                 LLVMInt32TypeInContext(gallivm->context),
                                                                 args, 9,
@@ -2807,9 +3953,21 @@ static void si_dump_key(unsigned shader, union si_shader_key *key)
                fprintf(stderr, "}\n");
 
                if (key->vs.as_es)
-                       fprintf(stderr, "  gs_used_inputs = 0x%"PRIx64"\n",
-                               key->vs.gs_used_inputs);
+                       fprintf(stderr, "  es_enabled_outputs = 0x%"PRIx64"\n",
+                               key->vs.es_enabled_outputs);
                fprintf(stderr, "  as_es = %u\n", key->vs.as_es);
+               fprintf(stderr, "  as_es = %u\n", key->vs.as_ls);
+               break;
+
+       case PIPE_SHADER_TESS_CTRL:
+               fprintf(stderr, "  prim_mode = %u\n", key->tcs.prim_mode);
+               break;
+
+       case PIPE_SHADER_TESS_EVAL:
+               if (key->tes.as_es)
+                       fprintf(stderr, "  es_enabled_outputs = 0x%"PRIx64"\n",
+                               key->tes.es_enabled_outputs);
+               fprintf(stderr, "  as_es = %u\n", key->tes.as_es);
                break;
 
        case PIPE_SHADER_GEOMETRY:
@@ -2851,7 +4009,7 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm,
 
        /* Dump TGSI code before doing TGSI->LLVM conversion in case the
         * conversion fails. */
-       if (dump) {
+       if (dump && !(sscreen->b.debug_flags & DBG_NO_TGSI)) {
                si_dump_key(sel->type, &shader->key);
                tgsi_dump(tokens, 0);
                si_dump_streamout(&sel->so);
@@ -2873,6 +4031,10 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm,
        bld_base->info = poly_stipple ? &stipple_shader_info : &sel->info;
        bld_base->emit_fetch_funcs[TGSI_FILE_CONSTANT] = fetch_constant;
 
+       bld_base->op_actions[TGSI_OPCODE_INTERP_CENTROID] = interp_action;
+       bld_base->op_actions[TGSI_OPCODE_INTERP_SAMPLE] = interp_action;
+       bld_base->op_actions[TGSI_OPCODE_INTERP_OFFSET] = interp_action;
+
        bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action;
        bld_base->op_actions[TGSI_OPCODE_TEX2] = tex_action;
        bld_base->op_actions[TGSI_OPCODE_TXB] = tex_action;
@@ -2888,9 +4050,12 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm,
 
        bld_base->op_actions[TGSI_OPCODE_DDX].emit = si_llvm_emit_ddxy;
        bld_base->op_actions[TGSI_OPCODE_DDY].emit = si_llvm_emit_ddxy;
+       bld_base->op_actions[TGSI_OPCODE_DDX_FINE].emit = si_llvm_emit_ddxy;
+       bld_base->op_actions[TGSI_OPCODE_DDY_FINE].emit = si_llvm_emit_ddxy;
 
        bld_base->op_actions[TGSI_OPCODE_EMIT].emit = si_llvm_emit_vertex;
        bld_base->op_actions[TGSI_OPCODE_ENDPRIM].emit = si_llvm_emit_primitive;
+       bld_base->op_actions[TGSI_OPCODE_BARRIER].emit = si_llvm_emit_barrier;
 
        if (HAVE_LLVM >= 0x0306) {
                bld_base->op_actions[TGSI_OPCODE_MAX].emit = build_tgsi_intrinsic_nomem;
@@ -2908,11 +4073,25 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm,
        switch (si_shader_ctx.type) {
        case TGSI_PROCESSOR_VERTEX:
                si_shader_ctx.radeon_bld.load_input = declare_input_vs;
-               if (shader->key.vs.as_es) {
+               if (shader->key.vs.as_ls)
+                       bld_base->emit_epilogue = si_llvm_emit_ls_epilogue;
+               else if (shader->key.vs.as_es)
                        bld_base->emit_epilogue = si_llvm_emit_es_epilogue;
-               } else {
+               else
+                       bld_base->emit_epilogue = si_llvm_emit_vs_epilogue;
+               break;
+       case TGSI_PROCESSOR_TESS_CTRL:
+               bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = fetch_input_tcs;
+               bld_base->emit_fetch_funcs[TGSI_FILE_OUTPUT] = fetch_output_tcs;
+               bld_base->emit_store = store_output_tcs;
+               bld_base->emit_epilogue = si_llvm_emit_tcs_epilogue;
+               break;
+       case TGSI_PROCESSOR_TESS_EVAL:
+               bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = fetch_input_tes;
+               if (shader->key.tes.as_es)
+                       bld_base->emit_epilogue = si_llvm_emit_es_epilogue;
+               else
                        bld_base->emit_epilogue = si_llvm_emit_vs_epilogue;
-               }
                break;
        case TGSI_PROCESSOR_GEOMETRY:
                bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = fetch_input_gs;
@@ -2946,9 +4125,12 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm,
        preload_ring_buffers(&si_shader_ctx);
 
        if (si_shader_ctx.type == TGSI_PROCESSOR_GEOMETRY) {
-               si_shader_ctx.gs_next_vertex =
-                       lp_build_alloca(bld_base->base.gallivm,
-                                       bld_base->uint_bld.elem_type, "");
+               int i;
+               for (i = 0; i < 4; i++) {
+                       si_shader_ctx.gs_next_vertex[i] =
+                               lp_build_alloca(bld_base->base.gallivm,
+                                               bld_base->uint_bld.elem_type, "");
+               }
        }
 
        if (!lp_build_tgsi_llvm(bld_base, tokens)) {
@@ -3000,4 +4182,5 @@ void si_shader_destroy(struct pipe_context *ctx, struct si_shader *shader)
 
        FREE(shader->binary.code);
        FREE(shader->binary.relocs);
+       FREE(shader->binary.disasm_string);
 }