1 files changed, 0 insertions, 401 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_link.cpp b/src/mesa/drivers/dri/i965/brw_link.cpp
deleted file mode 100644
index 396ee4d3c0d..00000000000
--- a/src/mesa/drivers/dri/i965/brw_link.cpp
+++ /dev/null
@@ -1,401 +0,0 @@
-/*
- * Copyright © 2015 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include "brw_context.h"
-#include "compiler/brw_nir.h"
-#include "brw_program.h"
-#include "compiler/glsl/gl_nir.h"
-#include "compiler/glsl/gl_nir_linker.h"
-#include "compiler/glsl/ir.h"
-#include "compiler/glsl/ir_optimization.h"
-#include "compiler/glsl/program.h"
-#include "compiler/nir/nir_serialize.h"
-#include "program/program.h"
-#include "main/glspirv.h"
-#include "main/mtypes.h"
-#include "main/shaderapi.h"
-#include "main/shaderobj.h"
-#include "main/uniforms.h"
-
-/**
- * Performs a compile of the shader stages even when we don't know
- * what non-orthogonal state will be set, in the hope that it reflects
- * the eventual NOS used, and thus allows us to produce link failures.
- */
-static bool
-brw_shader_precompile(struct gl_context *ctx,
-                      struct gl_shader_program *sh_prog)
-{
-   struct gl_linked_shader *vs = sh_prog->_LinkedShaders[MESA_SHADER_VERTEX];
-   struct gl_linked_shader *tcs = sh_prog->_LinkedShaders[MESA_SHADER_TESS_CTRL];
-   struct gl_linked_shader *tes = sh_prog->_LinkedShaders[MESA_SHADER_TESS_EVAL];
-   struct gl_linked_shader *gs = sh_prog->_LinkedShaders[MESA_SHADER_GEOMETRY];
-   struct gl_linked_shader *fs = sh_prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
-   struct gl_linked_shader *cs = sh_prog->_LinkedShaders[MESA_SHADER_COMPUTE];
-
-   if (fs && !brw_fs_precompile(ctx, fs->Program))
-      return false;
-
-   if (gs && !brw_gs_precompile(ctx, gs->Program))
-      return false;
-
-   if (tes && !brw_tes_precompile(ctx, sh_prog, tes->Program))
-      return false;
-
-   if (tcs && !brw_tcs_precompile(ctx, sh_prog, tcs->Program))
-      return false;
-
-   if (vs && !brw_vs_precompile(ctx, vs->Program))
-      return false;
-
-   if (cs && !brw_cs_precompile(ctx, cs->Program))
-      return false;
-
-   return true;
-}
-
-static void
-brw_lower_packing_builtins(struct brw_context *brw,
-                           exec_list *ir)
-{
-   const struct intel_device_info *devinfo = &brw->screen->devinfo;
-
-   /* Gens < 7 don't have instructions to convert to or from half-precision,
-    * and Gens < 6 don't expose that functionality.
-    */
-   if (devinfo->ver != 6)
-      return;
-
-   lower_packing_builtins(ir, LOWER_PACK_HALF_2x16 | LOWER_UNPACK_HALF_2x16);
-}
-
-static void
-process_glsl_ir(struct brw_context *brw,
-                struct gl_shader_program *shader_prog,
-                struct gl_linked_shader *shader)
-{
-   const struct intel_device_info *devinfo = &brw->screen->devinfo;
-   struct gl_context *ctx = &brw->ctx;
-
-   /* Temporary memory context for any new IR. */
-   void *mem_ctx = ralloc_context(NULL);
-
-   ralloc_adopt(mem_ctx, shader->ir);
-
-   if (shader->Stage == MESA_SHADER_FRAGMENT) {
-      lower_blend_equation_advanced(
-         shader, ctx->Extensions.KHR_blend_equation_advanced_coherent);
-   }
-
-   /* lower_packing_builtins() inserts arithmetic instructions, so it
-    * must precede lower_instructions().
-    */
-   brw_lower_packing_builtins(brw, shader->ir);
-   do_mat_op_to_vec(shader->ir);
-
-   unsigned instructions_to_lower = (DIV_TO_MUL_RCP |
-                                     SUB_TO_ADD_NEG |
-                                     EXP_TO_EXP2 |
-                                     LOG_TO_LOG2 |
-                                     DFREXP_DLDEXP_TO_ARITH);
-   if (devinfo->ver < 7) {
-      instructions_to_lower |= BIT_COUNT_TO_MATH |
-                               EXTRACT_TO_SHIFTS |
-                               INSERT_TO_SHIFTS |
-                               REVERSE_TO_SHIFTS;
-   }
-
-   lower_instructions(shader->ir, instructions_to_lower);
-
-   /* Pre-gfx6 HW can only nest if-statements 16 deep.  Beyond this,
-    * if-statements need to be flattened.
-    */
-   if (devinfo->ver < 6)
-      lower_if_to_cond_assign(shader->Stage, shader->ir, 16);
-
-   do_vec_index_to_cond_assign(shader->ir);
-   lower_vector_insert(shader->ir, true);
-   lower_offset_arrays(shader->ir);
-   lower_quadop_vector(shader->ir, false);
-
-   validate_ir_tree(shader->ir);
-
-   /* Now that we've finished altering the linked IR, reparent any live IR back
-    * to the permanent memory context, and free the temporary one (discarding any
-    * junk we optimized away).
-    */
-   reparent_ir(shader->ir, shader->ir);
-   ralloc_free(mem_ctx);
-
-   if (ctx->_Shader->Flags & GLSL_DUMP) {
-      fprintf(stderr, "\n");
-      if (shader->ir) {
-         fprintf(stderr, "GLSL IR for linked %s program %d:\n",
-                 _mesa_shader_stage_to_string(shader->Stage),
-                 shader_prog->Name);
-         _mesa_print_ir(stderr, shader->ir, NULL);
-      } else {
-         fprintf(stderr, "No GLSL IR for linked %s program %d (shader may be "
-                 "from cache)\n", _mesa_shader_stage_to_string(shader->Stage),
-                 shader_prog->Name);
-      }
-      fprintf(stderr, "\n");
-   }
-}
-
-static void
-unify_interfaces(struct shader_info **infos)
-{
-   struct shader_info *prev_info = NULL;
-
-   for (unsigned i = MESA_SHADER_VERTEX; i < MESA_SHADER_FRAGMENT; i++) {
-      if (!infos[i])
-         continue;
-
-      if (prev_info) {
-         prev_info->outputs_written |= infos[i]->inputs_read &
-            ~(VARYING_BIT_TESS_LEVEL_INNER | VARYING_BIT_TESS_LEVEL_OUTER);
-         infos[i]->inputs_read |= prev_info->outputs_written &
-            ~(VARYING_BIT_TESS_LEVEL_INNER | VARYING_BIT_TESS_LEVEL_OUTER);
-
-         prev_info->patch_outputs_written |= infos[i]->patch_inputs_read;
-         infos[i]->patch_inputs_read |= prev_info->patch_outputs_written;
-      }
-      prev_info = infos[i];
-   }
-}
-
-static void
-update_xfb_info(struct gl_transform_feedback_info *xfb_info,
-                struct shader_info *info)
-{
-   if (!xfb_info)
-      return;
-
-   for (unsigned i = 0; i < xfb_info->NumOutputs; i++) {
-      struct gl_transform_feedback_output *output = &xfb_info->Outputs[i];
-
-      /* The VUE header contains three scalar fields packed together:
-       * - gl_PointSize is stored in VARYING_SLOT_PSIZ.w
-       * - gl_Layer is stored in VARYING_SLOT_PSIZ.y
-       * - gl_ViewportIndex is stored in VARYING_SLOT_PSIZ.z
-       */
-      switch (output->OutputRegister) {
-      case VARYING_SLOT_LAYER:
-         assert(output->NumComponents == 1);
-         output->OutputRegister = VARYING_SLOT_PSIZ;
-         output->ComponentOffset = 1;
-         break;
-      case VARYING_SLOT_VIEWPORT:
-         assert(output->NumComponents == 1);
-         output->OutputRegister = VARYING_SLOT_PSIZ;
-         output->ComponentOffset = 2;
-         break;
-      case VARYING_SLOT_PSIZ:
-         assert(output->NumComponents == 1);
-         output->ComponentOffset = 3;
-         break;
-      }
-
-      info->outputs_written |= 1ull << output->OutputRegister;
-   }
-}
-
-extern "C" GLboolean
-brw_link_shader(struct gl_context *ctx, struct gl_shader_program *shProg)
-{
-   struct brw_context *brw = brw_context(ctx);
-   const struct brw_compiler *compiler = brw->screen->compiler;
-   unsigned int stage;
-   struct shader_info *infos[MESA_SHADER_STAGES] = { 0, };
-
-   if (shProg->data->LinkStatus == LINKING_SKIPPED)
-      return GL_TRUE;
-
-   for (stage = 0; stage < ARRAY_SIZE(shProg->_LinkedShaders); stage++) {
-      struct gl_linked_shader *shader = shProg->_LinkedShaders[stage];
-      if (!shader)
-         continue;
-
-      struct gl_program *prog = shader->Program;
-      prog->Parameters = _mesa_new_parameter_list();
-
-      if (!shader->spirv_data)
-         process_glsl_ir(brw, shProg, shader);
-
-      _mesa_copy_linked_program_data(shProg, shader);
-
-      prog->ShadowSamplers = shader->shadow_samplers;
-
-      bool debug_enabled =
-         (INTEL_DEBUG & intel_debug_flag_for_shader_stage(shader->Stage));
-
-      if (debug_enabled && shader->ir) {
-         fprintf(stderr, "GLSL IR for native %s shader %d:\n",
-                 _mesa_shader_stage_to_string(shader->Stage), shProg->Name);
-         _mesa_print_ir(stderr, shader->ir, NULL);
-         fprintf(stderr, "\n\n");
-      }
-
-      prog->nir = brw_create_nir(brw, shProg, prog, (gl_shader_stage) stage,
-                                 compiler->scalar_stage[stage]);
-   }
-
-   /* TODO: Verify if its feasible to split up the NIR linking work into a
-    * per-stage part (that fill out information we need for the passes) and a
-    * actual linking part, so that we could fold back brw_nir_lower_resources
-    * back into brw_create_nir.
-    */
-
-   /* SPIR-V programs use a NIR linker */
-   if (shProg->data->spirv) {
-      static const gl_nir_linker_options opts = {
-         .fill_parameters = false,
-      };
-      if (!gl_nir_link_spirv(ctx, shProg, &opts))
-         return GL_FALSE;
-   }
-
-   for (stage = 0; stage < ARRAY_SIZE(shProg->_LinkedShaders); stage++) {
-      struct gl_linked_shader *shader = shProg->_LinkedShaders[stage];
-      if (!shader)
-         continue;
-
-      struct gl_program *prog = shader->Program;
-
-      brw_nir_lower_resources(prog->nir, shProg, prog, &brw->screen->devinfo);
-
-      NIR_PASS_V(prog->nir, brw_nir_lower_gl_images, prog);
-   }
-
-   /* Determine first and last stage. */
-   unsigned first = MESA_SHADER_STAGES;
-   unsigned last = 0;
-   for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
-      if (!shProg->_LinkedShaders[i])
-         continue;
-      if (first == MESA_SHADER_STAGES)
-         first = i;
-      last = i;
-   }
-
-   /* Linking the stages in the opposite order (from fragment to vertex)
-    * ensures that inter-shader outputs written to in an earlier stage
-    * are eliminated if they are (transitively) not used in a later
-    * stage.
-    *
-    * TODO: Look into Shadow of Mordor regressions on HSW and enable this for
-    * all platforms. See: https://bugs.freedesktop.org/show_bug.cgi?id=103537
-    */
-    if (first != last && brw->screen->devinfo.ver >= 8) {
-       int next = last;
-       for (int i = next - 1; i >= 0; i--) {
-          if (shProg->_LinkedShaders[i] == NULL)
-             continue;
-
-          brw_nir_link_shaders(compiler,
-                               shProg->_LinkedShaders[i]->Program->nir,
-                               shProg->_LinkedShaders[next]->Program->nir);
-          next = i;
-       }
-    }
-
-   for (stage = 0; stage < ARRAY_SIZE(shProg->_LinkedShaders); stage++) {
-      struct gl_linked_shader *shader = shProg->_LinkedShaders[stage];
-      if (!shader)
-         continue;
-
-      struct gl_program *prog = shader->Program;
-
-      _mesa_update_shader_textures_used(shProg, prog);
-
-      brw_shader_gather_info(prog->nir, prog);
-
-      NIR_PASS_V(prog->nir, gl_nir_lower_atomics, shProg, false);
-      NIR_PASS_V(prog->nir, nir_lower_atomics_to_ssbo);
-
-      nir_sweep(prog->nir);
-
-      infos[stage] = &prog->nir->info;
-
-      update_xfb_info(prog->sh.LinkedTransformFeedback, infos[stage]);
-
-      /* Make a pass over the IR to add state references for any built-in
-       * uniforms that are used.  This has to be done now (during linking).
-       * Code generation doesn't happen until the first time this shader is
-       * used for rendering.  Waiting until then to generate the parameters is
-       * too late.  At that point, the values for the built-in uniforms won't
-       * get sent to the shader.
-       */
-      nir_foreach_uniform_variable(var, prog->nir) {
-         const nir_state_slot *const slots = var->state_slots;
-         for (unsigned int i = 0; i < var->num_state_slots; i++) {
-            assert(slots != NULL);
-            _mesa_add_state_reference(prog->Parameters, slots[i].tokens);
-         }
-      }
-   }
-
-   /* The linker tries to dead code eliminate unused varying components,
-    * and make sure interfaces match.  But it isn't able to do so in all
-    * cases.  So, explicitly make the interfaces match by OR'ing together
-    * the inputs_read/outputs_written bitfields of adjacent stages.
-    */
-   if (!shProg->SeparateShader)
-      unify_interfaces(infos);
-
-   if ((ctx->_Shader->Flags & GLSL_DUMP) && shProg->Name != 0) {
-      for (unsigned i = 0; i < shProg->NumShaders; i++) {
-         const struct gl_shader *sh = shProg->Shaders[i];
-         if (!sh)
-            continue;
-
-         fprintf(stderr, "GLSL %s shader %d source for linked program %d:\n",
-                 _mesa_shader_stage_to_string(sh->Stage),
-                 i, shProg->Name);
-         fprintf(stderr, "%s", sh->Source);
-         fprintf(stderr, "\n");
-      }
-   }
-
-   if (brw->precompile && !brw_shader_precompile(ctx, shProg))
-      return GL_FALSE;
-
-   /* SPIR-V programs build its resource list from linked NIR shaders. */
-   if (!shProg->data->spirv)
-      build_program_resource_list(ctx, shProg, false);
-   else
-      nir_build_program_resource_list(ctx, shProg, true);
-
-   for (stage = 0; stage < ARRAY_SIZE(shProg->_LinkedShaders); stage++) {
-      struct gl_linked_shader *shader = shProg->_LinkedShaders[stage];
-      if (!shader)
-         continue;
-
-      /* The GLSL IR won't be needed anymore. */
-      ralloc_free(shader->ir);
-      shader->ir = NULL;
-   }
-
-   return GL_TRUE;
-}