nir: move to compiler/

Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Matt Turner <[email protected]>
Acked-by: Jose Fonseca <[email protected]>

1 files changed, 0 insertions, 187 deletions

diff --git a/src/glsl/nir/nir_lower_samplers.c b/src/glsl/nir/nir_lower_samplers.c
deleted file mode 100644
index 95ea072bdfd..00000000000
--- a/src/glsl/nir/nir_lower_samplers.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * Copyright (C) 2005-2007  Brian Paul   All Rights Reserved.
- * Copyright (C) 2008  VMware, Inc.   All Rights Reserved.
- * Copyright © 2014 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 "nir.h"
-#include "nir_builder.h"
-#include "program/hash_table.h"
-#include "ir_uniform.h"
-
-#include "main/compiler.h"
-#include "main/mtypes.h"
-#include "program/prog_parameter.h"
-#include "program/program.h"
-
-/* Calculate the sampler index based on array indicies and also
- * calculate the base uniform location for struct members.
- */
-static void
-calc_sampler_offsets(nir_deref *tail, nir_tex_instr *instr,
-                     unsigned *array_elements, nir_ssa_def **indirect,
-                     nir_builder *b, unsigned *location)
-{
-   if (tail->child == NULL)
-      return;
-
-   switch (tail->child->deref_type) {
-   case nir_deref_type_array: {
-      nir_deref_array *deref_array = nir_deref_as_array(tail->child);
-
-      assert(deref_array->deref_array_type != nir_deref_array_type_wildcard);
-
-      calc_sampler_offsets(tail->child, instr, array_elements,
-                           indirect, b, location);
-      instr->sampler_index += deref_array->base_offset * *array_elements;
-
-      if (deref_array->deref_array_type == nir_deref_array_type_indirect) {
-         nir_ssa_def *mul =
-            nir_imul(b, nir_imm_int(b, *array_elements),
-                     nir_ssa_for_src(b, deref_array->indirect, 1));
-
-         nir_instr_rewrite_src(&instr->instr, &deref_array->indirect,
-                               NIR_SRC_INIT);
-
-         if (*indirect) {
-            *indirect = nir_iadd(b, *indirect, mul);
-         } else {
-            *indirect = mul;
-         }
-      }
-
-      *array_elements *= glsl_get_length(tail->type);
-       break;
-   }
-
-   case nir_deref_type_struct: {
-      nir_deref_struct *deref_struct = nir_deref_as_struct(tail->child);
-      *location += glsl_get_record_location_offset(tail->type, deref_struct->index);
-      calc_sampler_offsets(tail->child, instr, array_elements,
-                           indirect, b, location);
-      break;
-   }
-
-   default:
-      unreachable("Invalid deref type");
-      break;
-   }
-}
-
-static void
-lower_sampler(nir_tex_instr *instr, const struct gl_shader_program *shader_program,
-              gl_shader_stage stage, nir_builder *builder)
-{
-   if (instr->sampler == NULL)
-      return;
-
-   instr->sampler_index = 0;
-   unsigned location = instr->sampler->var->data.location;
-   unsigned array_elements = 1;
-   nir_ssa_def *indirect = NULL;
-
-   builder->cursor = nir_before_instr(&instr->instr);
-   calc_sampler_offsets(&instr->sampler->deref, instr, &array_elements,
-                        &indirect, builder, &location);
-
-   if (indirect) {
-      /* First, we have to resize the array of texture sources */
-      nir_tex_src *new_srcs = rzalloc_array(instr, nir_tex_src,
-                                            instr->num_srcs + 1);
-
-      for (unsigned i = 0; i < instr->num_srcs; i++) {
-         new_srcs[i].src_type = instr->src[i].src_type;
-         nir_instr_move_src(&instr->instr, &new_srcs[i].src,
-                            &instr->src[i].src);
-      }
-
-      ralloc_free(instr->src);
-      instr->src = new_srcs;
-
-      /* Now we can go ahead and move the source over to being a
-       * first-class texture source.
-       */
-      instr->src[instr->num_srcs].src_type = nir_tex_src_sampler_offset;
-      instr->num_srcs++;
-      nir_instr_rewrite_src(&instr->instr,
-                            &instr->src[instr->num_srcs - 1].src,
-                            nir_src_for_ssa(indirect));
-
-      instr->sampler_array_size = array_elements;
-   }
-
-   if (location > shader_program->NumUniformStorage - 1 ||
-       !shader_program->UniformStorage[location].opaque[stage].active) {
-      assert(!"cannot return a sampler");
-      return;
-   }
-
-   instr->sampler_index +=
-      shader_program->UniformStorage[location].opaque[stage].index;
-
-   instr->sampler = NULL;
-}
-
-typedef struct {
-   nir_builder builder;
-   const struct gl_shader_program *shader_program;
-   gl_shader_stage stage;
-} lower_state;
-
-static bool
-lower_block_cb(nir_block *block, void *_state)
-{
-   lower_state *state = (lower_state *) _state;
-
-   nir_foreach_instr(block, instr) {
-      if (instr->type == nir_instr_type_tex) {
-         nir_tex_instr *tex_instr = nir_instr_as_tex(instr);
-         lower_sampler(tex_instr, state->shader_program, state->stage,
-                       &state->builder);
-      }
-   }
-
-   return true;
-}
-
-static void
-lower_impl(nir_function_impl *impl, const struct gl_shader_program *shader_program,
-           gl_shader_stage stage)
-{
-   lower_state state;
-
-   nir_builder_init(&state.builder, impl);
-   state.shader_program = shader_program;
-   state.stage = stage;
-
-   nir_foreach_block(impl, lower_block_cb, &state);
-}
-
-void
-nir_lower_samplers(nir_shader *shader,
-                   const struct gl_shader_program *shader_program)
-{
-   nir_foreach_function(shader, function) {
-      if (function->impl)
-         lower_impl(function->impl, shader_program, shader->stage);
-   }
-}