swr: fix build with mingw
[mesa.git] / src / gallium / drivers / r600 / r600_shader.c
index 6b5c42f86d9fbe26ecfd851288816b8ffd64752e..f58f8ccbe8bcdb40e8e0bc4cf9fd95e7c4c17523 100644 (file)
@@ -24,7 +24,9 @@
 #include "r600_formats.h"
 #include "r600_opcodes.h"
 #include "r600_shader.h"
+#include "r600_dump.h"
 #include "r600d.h"
+#include "sfn/sfn_nir.h"
 
 #include "sb/sb_public.h"
 
 #include "tgsi/tgsi_parse.h"
 #include "tgsi/tgsi_scan.h"
 #include "tgsi/tgsi_dump.h"
+#include "tgsi/tgsi_from_mesa.h"
+#include "nir/tgsi_to_nir.h"
+#include "nir/nir_to_tgsi_info.h"
+#include "compiler/nir/nir.h"
 #include "util/u_bitcast.h"
 #include "util/u_memory.h"
 #include "util/u_math.h"
@@ -141,7 +147,9 @@ static int store_shader(struct pipe_context *ctx,
                if (shader->bo == NULL) {
                        return -ENOMEM;
                }
-               ptr = r600_buffer_map_sync_with_rings(&rctx->b, shader->bo, PIPE_TRANSFER_WRITE);
+               ptr = r600_buffer_map_sync_with_rings(
+                       &rctx->b, shader->bo,
+                       PIPE_TRANSFER_WRITE | RADEON_TRANSFER_TEMPORARY);
                if (R600_BIG_ENDIAN) {
                        for (i = 0; i < shader->shader.bc.ndw; ++i) {
                                ptr[i] = util_cpu_to_le32(shader->shader.bc.bytecode[i]);
@@ -155,6 +163,8 @@ static int store_shader(struct pipe_context *ctx,
        return 0;
 }
 
+extern const struct nir_shader_compiler_options r600_nir_options;
+static int nshader = 0;
 int r600_pipe_shader_create(struct pipe_context *ctx,
                            struct r600_pipe_shader *shader,
                            union r600_shader_key key)
@@ -162,27 +172,71 @@ int r600_pipe_shader_create(struct pipe_context *ctx,
        struct r600_context *rctx = (struct r600_context *)ctx;
        struct r600_pipe_shader_selector *sel = shader->selector;
        int r;
-       bool dump = r600_can_dump_shader(&rctx->screen->b,
-                                        tgsi_get_processor_type(sel->tokens));
-       unsigned use_sb = !(rctx->screen->b.debug_flags & DBG_NO_SB);
+       struct r600_screen *rscreen = (struct r600_screen *)ctx->screen;
+       
+       int processor = sel->ir_type == PIPE_SHADER_IR_TGSI ?
+               tgsi_get_processor_type(sel->tokens):
+               pipe_shader_type_from_mesa(sel->nir->info.stage);
+       
+       bool dump = r600_can_dump_shader(&rctx->screen->b, processor);
+       unsigned use_sb = !(rctx->screen->b.debug_flags & DBG_NO_SB) &&
+               !(rscreen->b.debug_flags & DBG_NIR);
        unsigned sb_disasm;
        unsigned export_shader;
-
+       
        shader->shader.bc.isa = rctx->isa;
+       
+       if (!(rscreen->b.debug_flags & DBG_NIR)) {
+               assert(sel->ir_type == PIPE_SHADER_IR_TGSI);
+               r = r600_shader_from_tgsi(rctx, shader, key);
+               if (r) {
+                       R600_ERR("translation from TGSI failed !\n");
+                       goto error;
+               }
+       } else {
+               if (sel->ir_type == PIPE_SHADER_IR_TGSI) {
+                       sel->nir = tgsi_to_nir(sel->tokens, ctx->screen, true);
+                       /* Lower int64 ops because we have some r600 build-in shaders that use it */
+                       if (!ctx->screen->get_param(ctx->screen, PIPE_CAP_DOUBLES)) {
+                               NIR_PASS_V(sel->nir, nir_lower_regs_to_ssa);
+                               NIR_PASS_V(sel->nir, nir_lower_alu_to_scalar, NULL, NULL);
+                               NIR_PASS_V(sel->nir, nir_lower_int64);
+                               NIR_PASS_V(sel->nir, nir_opt_vectorize, NULL, NULL);
+                       }
+                       NIR_PASS_V(sel->nir, nir_lower_flrp, ~0, false);
+               }
+               nir_tgsi_scan_shader(sel->nir, &sel->info, true);
 
+               r = r600_shader_from_nir(rctx, shader, &key);
+               if (r) {
+                       fprintf(stderr, "--Failed shader--------------------------------------------------\n");
+                       
+                       if (sel->ir_type == PIPE_SHADER_IR_TGSI) {
+                               fprintf(stderr, "--TGSI--------------------------------------------------------\n");
+                               tgsi_dump(sel->tokens, 0);
+                       }
+                       
+                       if (rscreen->b.debug_flags & DBG_NIR) {
+                               fprintf(stderr, "--NIR --------------------------------------------------------\n");
+                               nir_print_shader(sel->nir, stderr);
+                       }
+                       
+                       R600_ERR("translation from NIR failed !\n");
+                       goto error;
+               }
+       }
+       
        if (dump) {
-               fprintf(stderr, "--------------------------------------------------------------\n");
-               tgsi_dump(sel->tokens, 0);
-
+               if (sel->ir_type == PIPE_SHADER_IR_TGSI) {
+                       fprintf(stderr, "--TGSI--------------------------------------------------------\n");
+                       tgsi_dump(sel->tokens, 0);
+               }
+               
                if (sel->so.num_outputs) {
                        r600_dump_streamout(&sel->so);
                }
        }
-       r = r600_shader_from_tgsi(rctx, shader, key);
-       if (r) {
-               R600_ERR("translation from TGSI failed !\n");
-               goto error;
-       }
+       
        if (shader->shader.processor_type == PIPE_SHADER_VERTEX) {
                /* only disable for vertex shaders in tess paths */
                if (key.vs.as_ls)
@@ -214,7 +268,7 @@ int r600_pipe_shader_create(struct pipe_context *ctx,
                r600_bytecode_disasm(&shader->shader.bc);
                fprintf(stderr, "______________________________________________________________\n");
        } else if ((dump && sb_disasm) || use_sb) {
-               r = r600_sb_bytecode_process(rctx, &shader->shader.bc, &shader->shader,
+                r = r600_sb_bytecode_process(rctx, &shader->shader.bc, &shader->shader,
                                             dump, use_sb);
                if (r) {
                        R600_ERR("r600_sb_bytecode_process failed !\n");
@@ -222,6 +276,30 @@ int r600_pipe_shader_create(struct pipe_context *ctx,
                }
        }
 
+        if (dump) {
+           FILE *f;
+           char fname[1024];
+           snprintf(fname, 1024, "shader_from_%s_%d.cpp",
+                    (sel->ir_type == PIPE_SHADER_IR_TGSI ?
+                        (rscreen->b.debug_flags & DBG_NIR ? "tgsi-nir" : "tgsi")
+                      : "nir"), nshader);
+           f = fopen(fname, "w");
+           print_shader_info(f, nshader++, &shader->shader);
+           print_shader_info(stderr, nshader++, &shader->shader);
+           print_pipe_info(stderr, &sel->info);
+           if (sel->ir_type == PIPE_SHADER_IR_TGSI) {
+              fprintf(f, "/****TGSI**********************************\n");
+              tgsi_dump_to_file(sel->tokens, 0, f);
+           }
+
+           if (rscreen->b.debug_flags & DBG_NIR){
+              fprintf(f, "/****NIR **********************************\n");
+              nir_print_shader(sel->nir, f);
+           }
+           fprintf(f, "******************************************/\n");
+           fclose(f);
+        }
+
        if (shader->gs_copy_shader) {
                if (dump) {
                        // dump copy shader
@@ -299,7 +377,8 @@ error:
 void r600_pipe_shader_destroy(struct pipe_context *ctx UNUSED, struct r600_pipe_shader *shader)
 {
        r600_resource_reference(&shader->bo, NULL);
-       r600_bytecode_clear(&shader->shader.bc);
+        if (shader->shader.bc.cf.next)
+               r600_bytecode_clear(&shader->shader.bc);
        r600_release_command_buffer(&shader->command_buffer);
 }
 
@@ -431,24 +510,26 @@ static int tgsi_is_supported(struct r600_shader_ctx *ctx)
 #endif
        for (j = 0; j < i->Instruction.NumSrcRegs; j++) {
                if (i->Src[j].Register.Dimension) {
-                  switch (i->Src[j].Register.File) {
-                  case TGSI_FILE_CONSTANT:
-                  case TGSI_FILE_HW_ATOMIC:
-                          break;
-                  case TGSI_FILE_INPUT:
-                          if (ctx->type == PIPE_SHADER_GEOMETRY ||
-                              ctx->type == PIPE_SHADER_TESS_CTRL ||
-                              ctx->type == PIPE_SHADER_TESS_EVAL)
-                                  break;
-                  case TGSI_FILE_OUTPUT:
-                          if (ctx->type == PIPE_SHADER_TESS_CTRL)
-                                  break;
-                  default:
-                          R600_ERR("unsupported src %d (file %d, dimension %d)\n", j,
-                                   i->Src[j].Register.File,
-                                   i->Src[j].Register.Dimension);
-                          return -EINVAL;
-                  }
+                       switch (i->Src[j].Register.File) {
+                       case TGSI_FILE_CONSTANT:
+                       case TGSI_FILE_HW_ATOMIC:
+                               break;
+                       case TGSI_FILE_INPUT:
+                               if (ctx->type == PIPE_SHADER_GEOMETRY ||
+                                   ctx->type == PIPE_SHADER_TESS_CTRL ||
+                                   ctx->type == PIPE_SHADER_TESS_EVAL)
+                                       break;
+                               /* fallthrough */
+                       case TGSI_FILE_OUTPUT:
+                               if (ctx->type == PIPE_SHADER_TESS_CTRL)
+                                       break;
+                               /* fallthrough */
+                       default:
+                               R600_ERR("unsupported src %d (file %d, dimension %d)\n", j,
+                                        i->Src[j].Register.File,
+                                        i->Src[j].Register.Dimension);
+                               return -EINVAL;
+                       }
                }
        }
        for (j = 0; j < i->Instruction.NumDstRegs; j++) {
@@ -618,6 +699,8 @@ static int r600_spi_sid(struct r600_shader_io * io)
        else {
                if (name == TGSI_SEMANTIC_GENERIC) {
                        /* For generic params simply use sid from tgsi */
+                       index = 9 + io->sid;
+               } else if (name == TGSI_SEMANTIC_TEXCOORD) {
                        index = io->sid;
                } else {
                        /* For non-generic params - pack name and sid into 8 bits */
@@ -644,9 +727,11 @@ int r600_get_lds_unique_index(unsigned semantic_name, unsigned index)
        case TGSI_SEMANTIC_CLIPDIST:
                assert(index <= 1);
                return 2 + index;
+       case TGSI_SEMANTIC_TEXCOORD:
+               return 4 + index;
        case TGSI_SEMANTIC_GENERIC:
                if (index <= 63-4)
-                       return 4 + index - 9;
+                       return 4 + index;
                else
                        /* same explanation as in the default statement,
                         * the only user hitting this is st/nine.
@@ -1247,7 +1332,7 @@ static int allocate_system_value_inputs(struct r600_shader_ctx *ctx, int gpr_off
        tgsi_parse_free(&parse);
 
        if (ctx->info.reads_samplemask &&
-           (ctx->info.uses_linear_sample || ctx->info.uses_linear_sample)) {
+           (ctx->info.uses_linear_sample || ctx->info.uses_persp_sample)) {
                inputs[1].enabled = true;
        }
 
@@ -1673,19 +1758,11 @@ static void tgsi_src(struct r600_shader_ctx *ctx,
                } else if (ctx->info.system_value_semantic_name[tgsi_src->Register.Index] == TGSI_SEMANTIC_TESSOUTER) {
                        r600_src->sel = 2;
                } else if (ctx->info.system_value_semantic_name[tgsi_src->Register.Index] == TGSI_SEMANTIC_VERTICESIN) {
-                       if (ctx->type == PIPE_SHADER_TESS_CTRL) {
-                               r600_src->sel = ctx->tess_input_info;
-                               r600_src->swizzle[0] = 2;
-                               r600_src->swizzle[1] = 2;
-                               r600_src->swizzle[2] = 2;
-                               r600_src->swizzle[3] = 2;
-                       } else {
-                               r600_src->sel = ctx->tess_input_info;
-                               r600_src->swizzle[0] = 3;
-                               r600_src->swizzle[1] = 3;
-                               r600_src->swizzle[2] = 3;
-                               r600_src->swizzle[3] = 3;
-                       }
+                       r600_src->sel = ctx->tess_input_info;
+                       r600_src->swizzle[0] = 2;
+                       r600_src->swizzle[1] = 2;
+                       r600_src->swizzle[2] = 2;
+                       r600_src->swizzle[3] = 2;
                } else if (ctx->type == PIPE_SHADER_TESS_CTRL && ctx->info.system_value_semantic_name[tgsi_src->Register.Index] == TGSI_SEMANTIC_PRIMID) {
                        r600_src->sel = 0;
                        r600_src->swizzle[0] = 0;
@@ -2475,9 +2552,9 @@ static void convert_edgeflag_to_int(struct r600_shader_ctx *ctx)
        r600_bytecode_add_alu(ctx->bc, &alu);
 }
 
-static int generate_gs_copy_shader(struct r600_context *rctx,
-                                  struct r600_pipe_shader *gs,
-                                  struct pipe_stream_output_info *so)
+int generate_gs_copy_shader(struct r600_context *rctx,
+                            struct r600_pipe_shader *gs,
+                            struct pipe_stream_output_info *so)
 {
        struct r600_shader_ctx ctx = {};
        struct r600_shader *gs_shader = &gs->shader;
@@ -2975,7 +3052,8 @@ static int emit_lds_vs_writes(struct r600_shader_ctx *ctx)
 
        for (i = 0; i < ctx->shader->noutput; i++) {
                struct r600_bytecode_alu alu;
-               int param = r600_get_lds_unique_index(ctx->shader->output[i].name, ctx->shader->output[i].sid);
+               int param = r600_get_lds_unique_index(ctx->shader->output[i].name,
+                                                     ctx->shader->output[i].sid);
 
                if (param) {
                        r = single_alu_op2(ctx, ALU_OP2_ADD_INT,
@@ -3559,7 +3637,7 @@ static int r600_shader_from_tgsi(struct r600_context *rctx,
                ctx.tess_input_info = ++regno;
                ctx.tess_output_info = ++regno;
        } else if (ctx.type == PIPE_SHADER_TESS_EVAL) {
-               ctx.tess_input_info = 0;
+               ctx.tess_input_info = ++regno;
                ctx.tess_output_info = ++regno;
        } else if (ctx.type == PIPE_SHADER_GEOMETRY) {
                ctx.gs_export_gpr_tregs[0] = ++regno;
@@ -3887,6 +3965,9 @@ static int r600_shader_from_tgsi(struct r600_context *rctx,
                                ctx.inst_info = &eg_shader_tgsi_instruction[opcode];
                        else
                                ctx.inst_info = &r600_shader_tgsi_instruction[opcode];
+
+                       ctx.bc->precise |= ctx.parse.FullToken.FullInstruction.Instruction.Precise;
+
                        r = ctx.inst_info->process(&ctx);
                        if (r)
                                goto out_err;
@@ -4339,8 +4420,32 @@ static void tgsi_dst(struct r600_shader_ctx *ctx,
 
                if (spilled) {
                        struct r600_bytecode_output cf;
-                       int reg = r600_get_temp(ctx);
+                       int reg = 0;
                        int r;
+                       bool add_pending_output = true;
+
+                       memset(&cf, 0, sizeof(struct r600_bytecode_output));
+                       get_spilled_array_base_and_size(ctx, tgsi_dst->Register.Index,
+                               &cf.array_base, &cf.array_size);
+
+                       /* If no component has spilled, reserve a register and add the spill code
+                        *  ctx->bc->n_pending_outputs is cleared after each instruction group */
+                       if (ctx->bc->n_pending_outputs == 0) {
+                               reg = r600_get_temp(ctx);
+                       } else {
+                               /* If we are already spilling and the output address is the same like
+                               * before then just reuse the same slot */
+                               struct r600_bytecode_output *tmpl = &ctx->bc->pending_outputs[ctx->bc->n_pending_outputs-1];
+                               if ((cf.array_base + idx == tmpl->array_base) ||
+                                   (cf.array_base == tmpl->array_base &&
+                                    tmpl->index_gpr == ctx->bc->ar_reg &&
+                                    tgsi_dst->Register.Indirect)) {
+                                       reg = ctx->bc->pending_outputs[0].gpr;
+                                       add_pending_output = false;
+                               } else {
+                                       reg = r600_get_temp(ctx);
+                               }
+                       }
 
                        r600_dst->sel = reg;
                        r600_dst->chan = swizzle;
@@ -4349,29 +4454,26 @@ static void tgsi_dst(struct r600_shader_ctx *ctx,
                                r600_dst->clamp = 1;
                        }
 
-                       // needs to be added after op using tgsi_dst
-                       memset(&cf, 0, sizeof(struct r600_bytecode_output));
-                       cf.op = CF_OP_MEM_SCRATCH;
-                       cf.elem_size = 3;
-                       cf.gpr = reg;
-                       cf.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_WRITE;
-                       cf.mark = 1;
-                       cf.comp_mask = inst->Dst[0].Register.WriteMask;
-                       cf.swizzle_x = 0;
-                       cf.swizzle_y = 1;
-                       cf.swizzle_z = 2;
-                       cf.swizzle_w = 3;
-                       cf.burst_count = 1;
-
-                       get_spilled_array_base_and_size(ctx, tgsi_dst->Register.Index,
-                               &cf.array_base, &cf.array_size);
+                       /* Add new outputs as pending */
+                       if (add_pending_output) {
+                               cf.op = CF_OP_MEM_SCRATCH;
+                               cf.elem_size = 3;
+                               cf.gpr = reg;
+                               cf.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_WRITE;
+                               cf.mark = 1;
+                               cf.comp_mask = inst->Dst[0].Register.WriteMask;
+                               cf.swizzle_x = 0;
+                               cf.swizzle_y = 1;
+                               cf.swizzle_z = 2;
+                               cf.swizzle_w = 3;
+                               cf.burst_count = 1;
 
-                       if (tgsi_dst->Register.Indirect) {
-                               if (ctx->bc->chip_class < R700)
-                                       cf.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_WRITE_IND;
-                               else
-                                       cf.type = 3; // V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_WRITE_IND_ACK;
-                               cf.index_gpr = ctx->bc->ar_reg;
+                               if (tgsi_dst->Register.Indirect) {
+                                       if (ctx->bc->chip_class < R700)
+                                               cf.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_WRITE_IND;
+                                       else
+                                               cf.type = 3; // V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_WRITE_IND_ACK;
+                                       cf.index_gpr = ctx->bc->ar_reg;
                        }
                        else {
                                cf.array_base += idx;
@@ -4384,7 +4486,7 @@ static void tgsi_dst(struct r600_shader_ctx *ctx,
 
                        if (ctx->bc->chip_class >= R700)
                                r600_bytecode_need_wait_ack(ctx->bc, true);
-
+                       }
                        return;
                }
                else {
@@ -5727,10 +5829,19 @@ static int tgsi_divmod(struct r600_shader_ctx *ctx, int mod, int signed_op)
        struct r600_bytecode_alu alu;
        int i, r, j;
        unsigned write_mask = inst->Dst[0].Register.WriteMask;
+       int lasti = tgsi_last_instruction(write_mask);
        int tmp0 = ctx->temp_reg;
        int tmp1 = r600_get_temp(ctx);
        int tmp2 = r600_get_temp(ctx);
        int tmp3 = r600_get_temp(ctx);
+       int tmp4 = 0;
+
+       /* Use additional temp if dst register and src register are the same */
+       if (inst->Src[0].Register.Index == inst->Dst[0].Register.Index ||
+           inst->Src[1].Register.Index == inst->Dst[0].Register.Index) {
+               tmp4 = r600_get_temp(ctx);
+       }
+
        /* Unsigned path:
         *
         * we need to represent src1 as src2*q + r, where q - quotient, r - remainder
@@ -6345,7 +6456,13 @@ static int tgsi_divmod(struct r600_shader_ctx *ctx, int mod, int signed_op)
                        alu.dst.chan = 2;
                        alu.dst.write = 1;
                } else {
-                       tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+                       if (tmp4 > 0) {
+                               alu.dst.sel = tmp4;
+                               alu.dst.chan = i;
+                               alu.dst.write = 1;
+                       } else {
+                               tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+                       }
                }
 
                alu.src[0].sel = tmp1;
@@ -6387,7 +6504,13 @@ static int tgsi_divmod(struct r600_shader_ctx *ctx, int mod, int signed_op)
                                alu.op = ALU_OP3_CNDGE_INT;
                                alu.is_op3 = 1;
 
-                               tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+                               if (tmp4 > 0) {
+                                       alu.dst.sel = tmp4;
+                                       alu.dst.chan = i;
+                                       alu.dst.write = 1;
+                               } else {
+                                       tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+                               }
 
                                r600_bytecode_src(&alu.src[0], &ctx->src[0], i);
                                alu.src[1].sel = tmp0;
@@ -6423,7 +6546,13 @@ static int tgsi_divmod(struct r600_shader_ctx *ctx, int mod, int signed_op)
                                alu.op = ALU_OP3_CNDGE_INT;
                                alu.is_op3 = 1;
 
-                               tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+                               if (tmp4 > 0) {
+                                       alu.dst.sel = tmp4;
+                                       alu.dst.chan = i;
+                                       alu.dst.write = 1;
+                               } else {
+                                       tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+                               }
 
                                alu.src[0].sel = tmp2;
                                alu.src[0].chan = 2;
@@ -6438,6 +6567,25 @@ static int tgsi_divmod(struct r600_shader_ctx *ctx, int mod, int signed_op)
                        }
                }
        }
+
+       if (tmp4 > 0) {
+               for (i = 0; i <= lasti; ++i) {
+                       if (!(write_mask & (1<<i)))
+                               continue;
+
+                       memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+                       alu.op = ALU_OP1_MOV;
+                       tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+                       alu.src[0].sel = tmp4;
+                       alu.src[0].chan = i;
+
+                       if (i == lasti)
+                               alu.last = 1;
+                       if ((r = r600_bytecode_add_alu(ctx->bc, &alu)))
+                               return r;
+               }
+       }
+
        return 0;
 }
 
@@ -6633,11 +6781,15 @@ static int tgsi_issg(struct r600_shader_ctx *ctx)
 static int tgsi_ssg(struct r600_shader_ctx *ctx)
 {
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
+       unsigned write_mask = inst->Dst[0].Register.WriteMask;
+       int last_inst = tgsi_last_instruction(write_mask);
        struct r600_bytecode_alu alu;
        int i, r;
 
        /* tmp = (src > 0 ? 1 : src) */
-       for (i = 0; i < 4; i++) {
+       for (i = 0; i <= last_inst; i++) {
+               if (!(write_mask & (1 << i)))
+                       continue;
                memset(&alu, 0, sizeof(struct r600_bytecode_alu));
                alu.op = ALU_OP3_CNDGT;
                alu.is_op3 = 1;
@@ -6649,7 +6801,7 @@ static int tgsi_ssg(struct r600_shader_ctx *ctx)
                alu.src[1].sel = V_SQ_ALU_SRC_1;
                r600_bytecode_src(&alu.src[2], &ctx->src[0], i);
 
-               if (i == 3)
+               if (i == last_inst)
                        alu.last = 1;
                r = r600_bytecode_add_alu(ctx->bc, &alu);
                if (r)
@@ -6657,7 +6809,9 @@ static int tgsi_ssg(struct r600_shader_ctx *ctx)
        }
 
        /* dst = (-tmp > 0 ? -1 : tmp) */
-       for (i = 0; i < 4; i++) {
+       for (i = 0; i <= last_inst; i++) {
+               if (!(write_mask & (1 << i)))
+                       continue;
                memset(&alu, 0, sizeof(struct r600_bytecode_alu));
                alu.op = ALU_OP3_CNDGT;
                alu.is_op3 = 1;
@@ -6673,7 +6827,7 @@ static int tgsi_ssg(struct r600_shader_ctx *ctx)
                alu.src[2].sel = ctx->temp_reg;
                alu.src[2].chan = i;
 
-               if (i == 3)
+               if (i == last_inst)
                        alu.last = 1;
                r = r600_bytecode_add_alu(ctx->bc, &alu);
                if (r)
@@ -6903,6 +7057,7 @@ static int tgsi_interp_egcm(struct r600_shader_ctx *ctx)
        }
        else {
                location = TGSI_INTERPOLATE_LOC_CENTROID;
+               ctx->shader->input[input].uses_interpolate_at_centroid = 1;
        }
 
        k = eg_get_interpolator_index(ctx->shader->input[input].interpolate, location);
@@ -7076,33 +7231,42 @@ static int tgsi_helper_copy(struct r600_shader_ctx *ctx, struct tgsi_full_instru
 }
 
 static int tgsi_make_src_for_op3(struct r600_shader_ctx *ctx,
-                                 unsigned temp, int chan,
+                                 unsigned writemask,
                                  struct r600_bytecode_alu_src *bc_src,
                                  const struct r600_shader_src *shader_src)
 {
        struct r600_bytecode_alu alu;
-       int r;
+       int i, r;
+       int lasti = tgsi_last_instruction(writemask);
+       int temp_reg = 0;
 
-       r600_bytecode_src(bc_src, shader_src, chan);
+       r600_bytecode_src(&bc_src[0], shader_src, 0);
+       r600_bytecode_src(&bc_src[1], shader_src, 1);
+       r600_bytecode_src(&bc_src[2], shader_src, 2);
+       r600_bytecode_src(&bc_src[3], shader_src, 3);
 
-       /* op3 operands don't support abs modifier */
        if (bc_src->abs) {
-               assert(temp!=0);      /* we actually need the extra register, make sure it is allocated. */
-               memset(&alu, 0, sizeof(struct r600_bytecode_alu));
-               alu.op = ALU_OP1_MOV;
-               alu.dst.sel = temp;
-               alu.dst.chan = chan;
-               alu.dst.write = 1;
+               temp_reg = r600_get_temp(ctx);
 
-               alu.src[0] = *bc_src;
-               alu.last = true; // sufficient?
-               r = r600_bytecode_add_alu(ctx->bc, &alu);
-               if (r)
-                       return r;
-
-               memset(bc_src, 0, sizeof(*bc_src));
-               bc_src->sel = temp;
-               bc_src->chan = chan;
+               for (i = 0; i < lasti + 1; i++) {
+                       if (!(writemask & (1 << i)))
+                               continue;
+                       memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+                       alu.op = ALU_OP1_MOV;
+                       alu.dst.sel = temp_reg;
+                       alu.dst.chan = i;
+                       alu.dst.write = 1;
+                       alu.src[0] = bc_src[i];
+                       if (i == lasti) {
+                               alu.last = 1;
+                       }
+                       r = r600_bytecode_add_alu(ctx->bc, &alu);
+                       if (r)
+                               return r;
+                       memset(&bc_src[i], 0, sizeof(*bc_src));
+                       bc_src[i].sel = temp_reg;
+                       bc_src[i].chan = i;
+               }
        }
        return 0;
 }
@@ -7111,9 +7275,9 @@ static int tgsi_op3_dst(struct r600_shader_ctx *ctx, int dst)
 {
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
        struct r600_bytecode_alu alu;
+       struct r600_bytecode_alu_src srcs[4][4];
        int i, j, r;
        int lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask);
-       int temp_regs[4];
        unsigned op = ctx->inst_info->op;
 
        if (op == ALU_OP3_MULADD_IEEE &&
@@ -7121,10 +7285,12 @@ static int tgsi_op3_dst(struct r600_shader_ctx *ctx, int dst)
                op = ALU_OP3_MULADD;
 
        for (j = 0; j < inst->Instruction.NumSrcRegs; j++) {
-               temp_regs[j] = 0;
-               if (ctx->src[j].abs)
-                       temp_regs[j] = r600_get_temp(ctx);
+               r = tgsi_make_src_for_op3(ctx, inst->Dst[0].Register.WriteMask,
+                                         srcs[j], &ctx->src[j]);
+               if (r)
+                       return r;
        }
+
        for (i = 0; i < lasti + 1; i++) {
                if (!(inst->Dst[0].Register.WriteMask & (1 << i)))
                        continue;
@@ -7132,9 +7298,7 @@ static int tgsi_op3_dst(struct r600_shader_ctx *ctx, int dst)
                memset(&alu, 0, sizeof(struct r600_bytecode_alu));
                alu.op = op;
                for (j = 0; j < inst->Instruction.NumSrcRegs; j++) {
-                       r = tgsi_make_src_for_op3(ctx, temp_regs[j], i, &alu.src[j], &ctx->src[j]);
-                       if (r)
-                               return r;
+                       alu.src[j] = srcs[j][i];
                }
 
                if (dst == -1) {
@@ -7371,9 +7535,10 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
 {
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
        struct r600_bytecode_tex tex;
+       struct r600_bytecode_tex grad_offs[3];
        struct r600_bytecode_alu alu;
        unsigned src_gpr;
-       int r, i, j;
+       int r, i, j, n_grad_offs = 0;
        int opcode;
        bool read_compressed_msaa = ctx->bc->has_compressed_msaa_texturing &&
                                    inst->Instruction.Opcode == TGSI_OPCODE_TXF &&
@@ -7395,6 +7560,7 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
        int8_t offset_x = 0, offset_y = 0, offset_z = 0;
        boolean has_txq_cube_array_z = false;
        unsigned sampler_index_mode;
+       int array_index_offset_channel = -1;
 
        if (inst->Instruction.Opcode == TGSI_OPCODE_TXQ &&
            ((inst->Texture.Texture == TGSI_TEXTURE_CUBE_ARRAY ||
@@ -7636,11 +7802,43 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
                                if (r)
                                        return r;
 
+                               /* Evaluate the array index according to floor(idx + 0.5). This
+                                * needs to be done before merging the face select value, because
+                                * otherwise the fractional part of the array index will interfere
+                                * with the face select value */
+                               memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+                               r600_bytecode_src(&alu.src[0], &ctx->src[0], 3);
+                               alu.op = ALU_OP1_RNDNE;
+                               alu.dst.sel = ctx->temp_reg;
+                               alu.dst.chan = 3;
+                               alu.dst.write = 1;
+                               alu.last = 1;
+                               r = r600_bytecode_add_alu(ctx->bc, &alu);
+                               if (r)
+                                       return r;
+
+                               /* Because the array slice index and the cube face index are merged
+                                * into one value we have to make sure the array slice index is >= 0,
+                                * otherwise the face selection will fail */
+                               memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+                               alu.op = ALU_OP2_MAX;
+                               alu.src[0].sel = ctx->temp_reg;
+                               alu.src[0].chan = 3;
+                               alu.src[1].sel = V_SQ_ALU_SRC_0;
+                               alu.dst.sel = ctx->temp_reg;
+                               alu.dst.chan = 3;
+                               alu.dst.write = 1;
+                               alu.last = 1;
+                               r = r600_bytecode_add_alu(ctx->bc, &alu);
+                               if (r)
+                                       return r;
+
                                /* have to multiply original layer by 8 and add to face id (temp.w) in Z */
                                memset(&alu, 0, sizeof(struct r600_bytecode_alu));
                                alu.op = ALU_OP3_MULADD;
                                alu.is_op3 = 1;
-                               r600_bytecode_src(&alu.src[0], &ctx->src[0], 3);
+                               alu.src[0].sel = ctx->temp_reg;
+                               alu.src[0].chan = 3;
                                alu.src[1].sel = V_SQ_ALU_SRC_LITERAL;
                                alu.src[1].chan = 0;
                                alu.src[1].value = u_bitcast_f2u(8.0f);
@@ -7746,31 +7944,29 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
                }
                for (i = 1; i < 3; i++) {
                        /* set gradients h/v */
-                       memset(&tex, 0, sizeof(struct r600_bytecode_tex));
-                       tex.op = (i == 1) ? FETCH_OP_SET_GRADIENTS_H :
+                       struct r600_bytecode_tex *t = &grad_offs[n_grad_offs++];
+                       memset(t, 0, sizeof(struct r600_bytecode_tex));
+                       t->op = (i == 1) ? FETCH_OP_SET_GRADIENTS_H :
                                FETCH_OP_SET_GRADIENTS_V;
-                       tex.sampler_id = tgsi_tex_get_src_gpr(ctx, sampler_src_reg);
-                       tex.sampler_index_mode = sampler_index_mode;
-                       tex.resource_id = tex.sampler_id + R600_MAX_CONST_BUFFERS;
-                       tex.resource_index_mode = sampler_index_mode;
-
-                       tex.src_gpr = (i == 1) ? temp_h : temp_v;
-                       tex.src_sel_x = 0;
-                       tex.src_sel_y = 1;
-                       tex.src_sel_z = 2;
-                       tex.src_sel_w = 3;
-
-                       tex.dst_gpr = r600_get_temp(ctx); /* just to avoid confusing the asm scheduler */
-                       tex.dst_sel_x = tex.dst_sel_y = tex.dst_sel_z = tex.dst_sel_w = 7;
+                       t->sampler_id = tgsi_tex_get_src_gpr(ctx, sampler_src_reg);
+                       t->sampler_index_mode = sampler_index_mode;
+                       t->resource_id = t->sampler_id + R600_MAX_CONST_BUFFERS;
+                       t->resource_index_mode = sampler_index_mode;
+
+                       t->src_gpr = (i == 1) ? temp_h : temp_v;
+                       t->src_sel_x = 0;
+                       t->src_sel_y = 1;
+                       t->src_sel_z = 2;
+                       t->src_sel_w = 3;
+
+                       t->dst_gpr = r600_get_temp(ctx); /* just to avoid confusing the asm scheduler */
+                       t->dst_sel_x = t->dst_sel_y = t->dst_sel_z = t->dst_sel_w = 7;
                        if (inst->Texture.Texture != TGSI_TEXTURE_RECT) {
-                               tex.coord_type_x = 1;
-                               tex.coord_type_y = 1;
-                               tex.coord_type_z = 1;
-                               tex.coord_type_w = 1;
+                               t->coord_type_x = 1;
+                               t->coord_type_y = 1;
+                               t->coord_type_z = 1;
+                               t->coord_type_w = 1;
                        }
-                       r = r600_bytecode_add_tex(ctx->bc, &tex);
-                       if (r)
-                               return r;
                }
        }
 
@@ -8175,32 +8371,37 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
        if (opcode == FETCH_OP_GATHER4 &&
                inst->TexOffsets[0].File != TGSI_FILE_NULL &&
                inst->TexOffsets[0].File != TGSI_FILE_IMMEDIATE) {
+               struct r600_bytecode_tex *t;
                opcode = FETCH_OP_GATHER4_O;
 
                /* GATHER4_O/GATHER4_C_O use offset values loaded by
                   SET_TEXTURE_OFFSETS instruction. The immediate offset values
                   encoded in the instruction are ignored. */
-               memset(&tex, 0, sizeof(struct r600_bytecode_tex));
-               tex.op = FETCH_OP_SET_TEXTURE_OFFSETS;
-               tex.sampler_id = tgsi_tex_get_src_gpr(ctx, sampler_src_reg);
-               tex.sampler_index_mode = sampler_index_mode;
-               tex.resource_id = tex.sampler_id + R600_MAX_CONST_BUFFERS;
-               tex.resource_index_mode = sampler_index_mode;
-
-               tex.src_gpr = ctx->file_offset[inst->TexOffsets[0].File] + inst->TexOffsets[0].Index;
-               tex.src_sel_x = inst->TexOffsets[0].SwizzleX;
-               tex.src_sel_y = inst->TexOffsets[0].SwizzleY;
-               tex.src_sel_z = inst->TexOffsets[0].SwizzleZ;
-               tex.src_sel_w = 4;
+               t = &grad_offs[n_grad_offs++];
+               memset(t, 0, sizeof(struct r600_bytecode_tex));
+               t->op = FETCH_OP_SET_TEXTURE_OFFSETS;
+               t->sampler_id = tgsi_tex_get_src_gpr(ctx, sampler_src_reg);
+               t->sampler_index_mode = sampler_index_mode;
+               t->resource_id = t->sampler_id + R600_MAX_CONST_BUFFERS;
+               t->resource_index_mode = sampler_index_mode;
+
+               t->src_gpr = ctx->file_offset[inst->TexOffsets[0].File] + inst->TexOffsets[0].Index;
+               t->src_sel_x = inst->TexOffsets[0].SwizzleX;
+               t->src_sel_y = inst->TexOffsets[0].SwizzleY;
+               if (inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY ||
+                        inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D_ARRAY)
+                       /* make sure array index selector is 0, this is just a safety
+                        * precausion because TGSI seems to emit something strange here */
+                       t->src_sel_z = 4;
+               else
+                       t->src_sel_z = inst->TexOffsets[0].SwizzleZ;
 
-               tex.dst_sel_x = 7;
-               tex.dst_sel_y = 7;
-               tex.dst_sel_z = 7;
-               tex.dst_sel_w = 7;
+               t->src_sel_w = 4;
 
-               r = r600_bytecode_add_tex(ctx->bc, &tex);
-               if (r)
-                       return r;
+               t->dst_sel_x = 7;
+               t->dst_sel_y = 7;
+               t->dst_sel_z = 7;
+               t->dst_sel_w = 7;
        }
 
        if (inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D ||
@@ -8350,19 +8551,43 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
                    opcode == FETCH_OP_SAMPLE_C_LB) {
                        /* the array index is read from Y */
                        tex.coord_type_y = 0;
+                       array_index_offset_channel = tex.src_sel_y;
                } else {
                        /* the array index is read from Z */
                        tex.coord_type_z = 0;
                        tex.src_sel_z = tex.src_sel_y;
+                       array_index_offset_channel = tex.src_sel_z;
                }
        } else if (inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY ||
-                  inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D_ARRAY ||
-                  ((inst->Texture.Texture == TGSI_TEXTURE_CUBE_ARRAY ||
+                   inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D_ARRAY) {
+               tex.coord_type_z = 0;
+               array_index_offset_channel = tex.src_sel_z;
+       } else if  ((inst->Texture.Texture == TGSI_TEXTURE_CUBE_ARRAY ||
                    inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE_ARRAY) &&
-                   (ctx->bc->chip_class >= EVERGREEN)))
-               /* the array index is read from Z */
+                   (ctx->bc->chip_class >= EVERGREEN))
+               /* the array index is read from Z, coordinate will be corrected elsewhere  */
                tex.coord_type_z = 0;
 
+       /* We have array access to 1D or 2D ARRAY, the coordinates are not int ->
+        * evaluate the array index  */
+       if (array_index_offset_channel >= 0 &&
+                opcode != FETCH_OP_LD &&
+                opcode != FETCH_OP_GET_TEXTURE_RESINFO) {
+               memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+               alu.src[0].sel =  tex.src_gpr;
+               alu.src[0].chan =  array_index_offset_channel;
+               alu.src[0].rel = tex.src_rel;
+               alu.op = ALU_OP1_RNDNE;
+               alu.dst.sel = tex.src_gpr;
+               alu.dst.chan = array_index_offset_channel;
+               alu.dst.rel = tex.src_rel;
+               alu.dst.write = 1;
+               alu.last = 1;
+               r = r600_bytecode_add_alu(ctx->bc, &alu);
+               if (r)
+                       return r;
+       }
+
        /* mask unused source components */
        if (opcode == FETCH_OP_SAMPLE || opcode == FETCH_OP_GATHER4) {
                switch (inst->Texture.Texture) {
@@ -8383,6 +8608,13 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
                }
        }
 
+       /* Emit set gradient and offset instructions. */
+       for (i = 0; i < n_grad_offs; ++i) {
+               r = r600_bytecode_add_tex(ctx->bc, &grad_offs[i]);
+               if (r)
+                       return r;
+       }
+
        r = r600_bytecode_add_tex(ctx->bc, &tex);
        if (r)
                return r;
@@ -9386,7 +9618,8 @@ static int tgsi_lrp(struct r600_shader_ctx *ctx)
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
        struct r600_bytecode_alu alu;
        unsigned lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask);
-       unsigned i, temp_regs[2];
+       struct r600_bytecode_alu_src srcs[2][4];
+       unsigned i;
        int r;
 
        /* optimize if it's just an equal balance */
@@ -9456,14 +9689,13 @@ static int tgsi_lrp(struct r600_shader_ctx *ctx)
        }
 
        /* src0 * src1 + (1 - src0) * src2 */
-        if (ctx->src[0].abs)
-               temp_regs[0] = r600_get_temp(ctx);
-       else
-               temp_regs[0] = 0;
-       if (ctx->src[1].abs)
-               temp_regs[1] = r600_get_temp(ctx);
-       else
-               temp_regs[1] = 0;
+
+       for (i = 0; i < 2; i++) {
+               r = tgsi_make_src_for_op3(ctx, inst->Dst[0].Register.WriteMask,
+                                         srcs[i], &ctx->src[i]);
+               if (r)
+                       return r;
+       }
 
        for (i = 0; i < lasti + 1; i++) {
                if (!(inst->Dst[0].Register.WriteMask & (1 << i)))
@@ -9472,12 +9704,8 @@ static int tgsi_lrp(struct r600_shader_ctx *ctx)
                memset(&alu, 0, sizeof(struct r600_bytecode_alu));
                alu.op = ALU_OP3_MULADD;
                alu.is_op3 = 1;
-               r = tgsi_make_src_for_op3(ctx, temp_regs[0], i, &alu.src[0], &ctx->src[0]);
-               if (r)
-                       return r;
-               r = tgsi_make_src_for_op3(ctx, temp_regs[1], i, &alu.src[1], &ctx->src[1]);
-               if (r)
-                       return r;
+               alu.src[0] = srcs[0][i];
+               alu.src[1] = srcs[1][i];
                alu.src[2].sel = ctx->temp_reg;
                alu.src[2].chan = i;
 
@@ -9499,7 +9727,8 @@ static int tgsi_cmp(struct r600_shader_ctx *ctx)
        struct r600_bytecode_alu alu;
        int i, r, j;
        int lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask);
-       int temp_regs[3];
+       struct r600_bytecode_alu_src srcs[3][4];
+
        unsigned op;
 
        if (ctx->src[0].abs && ctx->src[0].neg) {
@@ -9511,9 +9740,10 @@ static int tgsi_cmp(struct r600_shader_ctx *ctx)
        }
 
        for (j = 0; j < inst->Instruction.NumSrcRegs; j++) {
-               temp_regs[j] = 0;
-               if (ctx->src[j].abs)
-                       temp_regs[j] = r600_get_temp(ctx);
+               r = tgsi_make_src_for_op3(ctx, inst->Dst[0].Register.WriteMask,
+                                         srcs[j], &ctx->src[j]);
+               if (r)
+                       return r;
        }
 
        for (i = 0; i < lasti + 1; i++) {
@@ -9522,15 +9752,10 @@ static int tgsi_cmp(struct r600_shader_ctx *ctx)
 
                memset(&alu, 0, sizeof(struct r600_bytecode_alu));
                alu.op = op;
-               r = tgsi_make_src_for_op3(ctx, temp_regs[0], i, &alu.src[0], &ctx->src[0]);
-               if (r)
-                       return r;
-               r = tgsi_make_src_for_op3(ctx, temp_regs[2], i, &alu.src[1], &ctx->src[2]);
-               if (r)
-                       return r;
-               r = tgsi_make_src_for_op3(ctx, temp_regs[1], i, &alu.src[2], &ctx->src[1]);
-               if (r)
-                       return r;
+               alu.src[0] = srcs[0][i];
+               alu.src[1] = srcs[2][i];
+               alu.src[2] = srcs[1][i];
+
                tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
                alu.dst.chan = i;
                alu.dst.write = 1;