radv/ac: move to using new export intrinsics.
authorDave Airlie <airlied@redhat.com>
Sun, 5 Mar 2017 22:23:53 +0000 (08:23 +1000)
committerDave Airlie <airlied@redhat.com>
Mon, 6 Mar 2017 05:27:33 +0000 (15:27 +1000)
This uses the new code in build to do exports.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
src/amd/common/ac_nir_to_llvm.c

index 058e952..6797dc0 100644 (file)
@@ -4330,23 +4330,25 @@ static void
 si_llvm_init_export_args(struct nir_to_llvm_context *ctx,
                         LLVMValueRef *values,
                         unsigned target,
-                        LLVMValueRef *args)
+                        struct ac_export_args *args)
 {
        /* Default is 0xf. Adjusted below depending on the format. */
-       args[0] = LLVMConstInt(ctx->i32, target != V_008DFC_SQ_EXP_NULL ? 0xf : 0, false);
+       args->enabled_channels = 0xf;
+
        /* Specify whether the EXEC mask represents the valid mask */
-       args[1] = LLVMConstInt(ctx->i32, 0, false);
+       args->valid_mask = 0;
 
        /* Specify whether this is the last export */
-       args[2] = LLVMConstInt(ctx->i32, 0, false);
+       args->done = 0;
+
        /* Specify the target we are exporting */
-       args[3] = LLVMConstInt(ctx->i32, target, false);
+       args->target = target;
 
-       args[4] = LLVMConstInt(ctx->i32, 0, false); /* COMPR flag */
-       args[5] = LLVMGetUndef(ctx->f32);
-       args[6] = LLVMGetUndef(ctx->f32);
-       args[7] = LLVMGetUndef(ctx->f32);
-       args[8] = LLVMGetUndef(ctx->f32);
+       args->compr = false;
+       args->out[0] = LLVMGetUndef(ctx->f32);
+       args->out[1] = LLVMGetUndef(ctx->f32);
+       args->out[2] = LLVMGetUndef(ctx->f32);
+       args->out[3] = LLVMGetUndef(ctx->f32);
 
        if (!values)
                return;
@@ -4359,29 +4361,29 @@ si_llvm_init_export_args(struct nir_to_llvm_context *ctx,
 
                switch(col_format) {
                case V_028714_SPI_SHADER_ZERO:
-                       args[0] = LLVMConstInt(ctx->i32, 0x0, 0);
-                       args[3] = LLVMConstInt(ctx->i32, V_008DFC_SQ_EXP_NULL, 0);
+                       args->enabled_channels = 0; /* writemask */
+                       args->target = V_008DFC_SQ_EXP_NULL;
                        break;
 
                case V_028714_SPI_SHADER_32_R:
-                       args[0] = LLVMConstInt(ctx->i32, 0x1, 0);
-                       args[5] = values[0];
+                       args->enabled_channels = 1;
+                       args->out[0] = values[0];
                        break;
 
                case V_028714_SPI_SHADER_32_GR:
-                       args[0] = LLVMConstInt(ctx->i32, 0x3, 0);
-                       args[5] = values[0];
-                       args[6] = values[1];
+                       args->enabled_channels = 0x3;
+                       args->out[0] = values[0];
+                       args->out[1] = values[1];
                        break;
 
                case V_028714_SPI_SHADER_32_AR:
-                       args[0] = LLVMConstInt(ctx->i32, 0x9, 0);
-                       args[5] = values[0];
-                       args[8] = values[3];
+                       args->enabled_channels = 0x9;
+                       args->out[0] = values[0];
+                       args->out[3] = values[3];
                        break;
 
                case V_028714_SPI_SHADER_FP16_ABGR:
-                       args[4] = ctx->i32one;
+                       args->compr = 1;
 
                        for (unsigned chan = 0; chan < 2; chan++) {
                                LLVMValueRef pack_args[2] = {
@@ -4391,7 +4393,7 @@ si_llvm_init_export_args(struct nir_to_llvm_context *ctx,
                                LLVMValueRef packed;
 
                                packed = ac_build_cvt_pkrtz_f16(&ctx->ac, pack_args);
-                               args[chan + 5] = packed;
+                               args->out[chan] = packed;
                        }
                        break;
 
@@ -4406,9 +4408,9 @@ si_llvm_init_export_args(struct nir_to_llvm_context *ctx,
                                                        ctx->i32, "");
                        }
 
-                       args[4] = ctx->i32one;
-                       args[5] = emit_pack_int16(ctx, val[0], val[1]);
-                       args[6] = emit_pack_int16(ctx, val[2], val[3]);
+                       args->compr = 1;
+                       args->out[0] = emit_pack_int16(ctx, val[0], val[1]);
+                       args->out[1] = emit_pack_int16(ctx, val[2], val[3]);
                        break;
 
                case V_028714_SPI_SHADER_SNORM16_ABGR:
@@ -4427,9 +4429,9 @@ si_llvm_init_export_args(struct nir_to_llvm_context *ctx,
                                val[chan] = LLVMBuildFPToSI(ctx->builder, val[chan], ctx->i32, "");
                        }
 
-                       args[4] = ctx->i32one;
-                       args[5] = emit_pack_int16(ctx, val[0], val[1]);
-                       args[6] = emit_pack_int16(ctx, val[2], val[3]);
+                       args->compr = 1;
+                       args->out[0] = emit_pack_int16(ctx, val[0], val[1]);
+                       args->out[1] = emit_pack_int16(ctx, val[2], val[3]);
                        break;
 
                case V_028714_SPI_SHADER_UINT16_ABGR: {
@@ -4440,9 +4442,9 @@ si_llvm_init_export_args(struct nir_to_llvm_context *ctx,
                                val[chan] = emit_minmax_int(ctx, LLVMIntULT, val[chan], max);
                        }
 
-                       args[4] = ctx->i32one;
-                       args[5] = emit_pack_int16(ctx, val[0], val[1]);
-                       args[6] = emit_pack_int16(ctx, val[2], val[3]);
+                       args->compr = 1;
+                       args->out[0] = emit_pack_int16(ctx, val[0], val[1]);
+                       args->out[1] = emit_pack_int16(ctx, val[2], val[3]);
                        break;
                }
 
@@ -4457,22 +4459,22 @@ si_llvm_init_export_args(struct nir_to_llvm_context *ctx,
                                val[chan] = emit_minmax_int(ctx, LLVMIntSGT, val[chan], min);
                        }
 
-                       args[4] = ctx->i32one;
-                       args[5] = emit_pack_int16(ctx, val[0], val[1]);
-                       args[6] = emit_pack_int16(ctx, val[2], val[3]);
+                       args->compr = 1;
+                       args->out[0] = emit_pack_int16(ctx, val[0], val[1]);
+                       args->out[1] = emit_pack_int16(ctx, val[2], val[3]);
                        break;
                }
 
                default:
                case V_028714_SPI_SHADER_32_ABGR:
-                       memcpy(&args[5], values, sizeof(values[0]) * 4);
+                       memcpy(&args->out[0], values, sizeof(values[0]) * 4);
                        break;
                }
        } else
-               memcpy(&args[5], values, sizeof(values[0]) * 4);
+               memcpy(&args->out[0], values, sizeof(values[0]) * 4);
 
-       for (unsigned i = 5; i < 9; ++i)
-               args[i] = to_float(ctx, args[i]);
+       for (unsigned i = 0; i < 4; ++i)
+               args->out[i] = to_float(ctx, args->out[i]);
 }
 
 static void
@@ -4481,8 +4483,7 @@ handle_vs_outputs_post(struct nir_to_llvm_context *ctx)
        uint32_t param_count = 0;
        unsigned target;
        unsigned pos_idx, num_pos_exports = 0;
-       LLVMValueRef args[9];
-       LLVMValueRef pos_args[4][9] = { { 0 } };
+       struct ac_export_args args, pos_args[4] = {};
        LLVMValueRef psize_value = NULL, layer_value = NULL, viewport_index_value = NULL;
        int i;
        const uint64_t clip_mask = ctx->output_mask & ((1ull << VARYING_SLOT_CLIP_DIST0) |
@@ -4513,15 +4514,15 @@ handle_vs_outputs_post(struct nir_to_llvm_context *ctx)
 
                if (ctx->num_output_clips + ctx->num_output_culls > 4) {
                        target = V_008DFC_SQ_EXP_POS + 3;
-                       si_llvm_init_export_args(ctx, &slots[4], target, args);
-                       memcpy(pos_args[target - V_008DFC_SQ_EXP_POS],
-                              args, sizeof(args));
+                       si_llvm_init_export_args(ctx, &slots[4], target, &args);
+                       memcpy(&pos_args[target - V_008DFC_SQ_EXP_POS],
+                              &args, sizeof(args));
                }
 
                target = V_008DFC_SQ_EXP_POS + 2;
-               si_llvm_init_export_args(ctx, &slots[0], target, args);
-               memcpy(pos_args[target - V_008DFC_SQ_EXP_POS],
-                      args, sizeof(args));
+               si_llvm_init_export_args(ctx, &slots[0], target, &args);
+               memcpy(&pos_args[target - V_008DFC_SQ_EXP_POS],
+                      &args, sizeof(args));
 
        }
 
@@ -4565,74 +4566,66 @@ handle_vs_outputs_post(struct nir_to_llvm_context *ctx)
                        param_count++;
                }
 
-               si_llvm_init_export_args(ctx, values, target, args);
+               si_llvm_init_export_args(ctx, values, target, &args);
 
                if (target >= V_008DFC_SQ_EXP_POS &&
                    target <= (V_008DFC_SQ_EXP_POS + 3)) {
-                       memcpy(pos_args[target - V_008DFC_SQ_EXP_POS],
-                              args, sizeof(args));
+                       memcpy(&pos_args[target - V_008DFC_SQ_EXP_POS],
+                              &args, sizeof(args));
                } else {
-                       ac_build_intrinsic(&ctx->ac,
-                                          "llvm.SI.export",
-                                          ctx->voidt,
-                                          args, 9,
-                                          AC_FUNC_ATTR_LEGACY);
+                       ac_build_export(&ctx->ac, &args);
                }
        }
 
        /* We need to add the position output manually if it's missing. */
-       if (!pos_args[0][0]) {
-               pos_args[0][0] = LLVMConstInt(ctx->i32, 0xf, false);
-               pos_args[0][1] = ctx->i32zero; /* EXEC mask */
-               pos_args[0][2] = ctx->i32zero; /* last export? */
-               pos_args[0][3] = LLVMConstInt(ctx->i32, V_008DFC_SQ_EXP_POS, false);
-               pos_args[0][4] = ctx->i32zero; /* COMPR flag */
-               pos_args[0][5] = ctx->f32zero; /* X */
-               pos_args[0][6] = ctx->f32zero; /* Y */
-               pos_args[0][7] = ctx->f32zero; /* Z */
-               pos_args[0][8] = ctx->f32one;  /* W */
+       if (!pos_args[0].out[0]) {
+               pos_args[0].enabled_channels = 0xf;
+               pos_args[0].valid_mask = 0;
+               pos_args[0].done = 0;
+               pos_args[0].target = V_008DFC_SQ_EXP_POS;
+               pos_args[0].compr = 0;
+               pos_args[0].out[0] = ctx->f32zero; /* X */
+               pos_args[0].out[1] = ctx->f32zero; /* Y */
+               pos_args[0].out[2] = ctx->f32zero; /* Z */
+               pos_args[0].out[3] = ctx->f32one;  /* W */
        }
 
        uint32_t mask = ((ctx->shader_info->vs.writes_pointsize == true ? 1 : 0) |
                         (ctx->shader_info->vs.writes_layer == true ? 4 : 0) |
                         (ctx->shader_info->vs.writes_viewport_index == true ? 8 : 0));
        if (mask) {
-               pos_args[1][0] = LLVMConstInt(ctx->i32, mask, false); /* writemask */
-               pos_args[1][1] = ctx->i32zero;  /* EXEC mask */
-               pos_args[1][2] = ctx->i32zero;  /* last export? */
-               pos_args[1][3] = LLVMConstInt(ctx->i32, V_008DFC_SQ_EXP_POS + 1, false);
-               pos_args[1][4] = ctx->i32zero;  /* COMPR flag */
-               pos_args[1][5] = ctx->f32zero; /* X */
-               pos_args[1][6] = ctx->f32zero; /* Y */
-               pos_args[1][7] = ctx->f32zero; /* Z */
-               pos_args[1][8] = ctx->f32zero;  /* W */
+               pos_args[1].enabled_channels = mask;
+               pos_args[1].valid_mask = 0;
+               pos_args[1].done = 0;
+               pos_args[1].target = V_008DFC_SQ_EXP_POS + 1;
+               pos_args[1].compr = 0;
+               pos_args[1].out[0] = ctx->f32zero; /* X */
+               pos_args[1].out[1] = ctx->f32zero; /* Y */
+               pos_args[1].out[2] = ctx->f32zero; /* Z */
+               pos_args[1].out[3] = ctx->f32zero;  /* W */
 
                if (ctx->shader_info->vs.writes_pointsize == true)
-                       pos_args[1][5] = psize_value;
+                       pos_args[1].out[0] = psize_value;
                if (ctx->shader_info->vs.writes_layer == true)
-                       pos_args[1][7] = layer_value;
+                       pos_args[1].out[2] = layer_value;
                if (ctx->shader_info->vs.writes_viewport_index == true)
-                       pos_args[1][8] = viewport_index_value;
+                       pos_args[1].out[3] = viewport_index_value;
        }
        for (i = 0; i < 4; i++) {
-               if (pos_args[i][0])
+               if (pos_args[i].out[0])
                        num_pos_exports++;
        }
 
        pos_idx = 0;
        for (i = 0; i < 4; i++) {
-               if (!pos_args[i][0])
+               if (!pos_args[i].out[0])
                        continue;
 
                /* Specify the target we are exporting */
-               pos_args[i][3] = LLVMConstInt(ctx->i32, V_008DFC_SQ_EXP_POS + pos_idx++, false);
+               pos_args[i].target = V_008DFC_SQ_EXP_POS + pos_idx++;
                if (pos_idx == num_pos_exports)
-                       pos_args[i][2] = ctx->i32one;
-               ac_build_intrinsic(&ctx->ac,
-                                  "llvm.SI.export",
-                                  ctx->voidt,
-                                  pos_args[i], 9,
-                                  AC_FUNC_ATTR_LEGACY);
+                       pos_args[i].done = 1;
+               ac_build_export(&ctx->ac, &pos_args[i]);
        }
 
        ctx->shader_info->vs.pos_exports = num_pos_exports;
@@ -4682,20 +4675,20 @@ static void
 si_export_mrt_color(struct nir_to_llvm_context *ctx,
                    LLVMValueRef *color, unsigned param, bool is_last)
 {
-       LLVMValueRef args[9];
+
+       struct ac_export_args args;
+
        /* Export */
        si_llvm_init_export_args(ctx, color, param,
-                                args);
+                                &args);
 
        if (is_last) {
-               args[1] = ctx->i32one; /* whether the EXEC mask is valid */
-               args[2] = ctx->i32one; /* DONE bit */
-       } else if (args[0] == ctx->i32zero)
+               args.valid_mask = 1; /* whether the EXEC mask is valid */
+               args.done = 1; /* DONE bit */
+       } else if (!args.enabled_channels)
                return; /* unnecessary NULL export */
 
-       ac_build_intrinsic(&ctx->ac, "llvm.SI.export",
-                          ctx->voidt, args, 9,
-                          AC_FUNC_ATTR_LEGACY);
+       ac_build_export(&ctx->ac, &args);
 }
 
 static void