Delete nir_lower_samplers.cpp

Somehow, in one of the merges with mesa master, the old file must have been
kept when nir_lower_samplers.cpp was moved to nir_lower_samplers.c.

1 files changed, 0 insertions, 248 deletions

diff --git a/src/glsl/nir/nir_lower_samplers.cpp b/src/glsl/nir/nir_lower_samplers.cpp
deleted file mode 100644
index 438caacfd4d..00000000000
--- a/src/glsl/nir/nir_lower_samplers.cpp
+++ /dev/null
@@ -1,248 +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 "../program.h"
-#include "program/hash_table.h"
-#include "ir_uniform.h"
-
-extern "C" {
-#include "main/compiler.h"
-#include "main/mtypes.h"
-#include "program/prog_parameter.h"
-#include "program/program.h"
-}
-
-static void
-add_indirect_to_tex(nir_tex_instr *instr, nir_src 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,
-                         indirect);
-}
-
-static unsigned
-get_sampler_index(const struct gl_shader_program *shader_program,
-                  gl_shader_stage stage, const char *name)
-{
-   unsigned location;
-   if (!shader_program->UniformHash->get(location, name)) {
-      assert(!"failed to find sampler");
-      return 0;
-   }
-
-   if (!shader_program->UniformStorage[location].sampler[stage].active) {
-      assert(!"cannot return a sampler");
-      return 0;
-   }
-
-   return shader_program->UniformStorage[location].sampler[stage].index;
-}
-
-static void
-lower_sampler(nir_tex_instr *instr, const struct gl_shader_program *shader_program,
-              gl_shader_stage stage, void *mem_ctx)
-{
-   if (instr->sampler == NULL)
-      return;
-
-   /* Get the name and the offset */
-   instr->sampler_index = 0;
-   char *name = ralloc_strdup(mem_ctx, instr->sampler->var->name);
-
-   for (nir_deref *deref = &instr->sampler->deref;
-        deref->child; deref = deref->child) {
-      switch (deref->child->deref_type) {
-      case nir_deref_type_array: {
-         nir_deref_array *deref_array = nir_deref_as_array(deref->child);
-
-         assert(deref_array->deref_array_type != nir_deref_array_type_wildcard);
-
-         if (deref_array->deref.child) {
-            ralloc_asprintf_append(&name, "[%u]",
-               deref_array->deref_array_type == nir_deref_array_type_direct ?
-                  deref_array->base_offset : 0);
-         } else {
-            assert(deref->child->type->base_type == GLSL_TYPE_SAMPLER);
-            instr->sampler_index = deref_array->base_offset;
-         }
-
-         /* XXX: We're assuming here that the indirect is the last array
-          * thing we have.  This should be ok for now as we don't support
-          * arrays_of_arrays yet.
-          */
-         if (deref_array->deref_array_type == nir_deref_array_type_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_move_src(&instr->instr,
-                               &instr->src[instr->num_srcs - 1].src,
-                               &deref_array->indirect);
-
-            instr->sampler_array_size = glsl_get_length(deref->type);
-         }
-         break;
-      }
-
-      case nir_deref_type_struct: {
-         nir_deref_struct *deref_struct = nir_deref_as_struct(deref->child);
-         const char *field = glsl_get_struct_elem_name(deref->type,
-                                                       deref_struct->index);
-         ralloc_asprintf_append(&name, ".%s", field);
-         break;
-      }
-
-      default:
-         unreachable("Invalid deref type");
-         break;
-      }
-   }
-
-   instr->sampler_index += get_sampler_index(shader_program, stage, name);
-
-   instr->sampler = NULL;
-}
-
-typedef struct {
-   void *mem_ctx;
-   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->mem_ctx);
-      }
-   }
-
-   return true;
-}
-
-static void
-lower_impl(nir_function_impl *impl, const struct gl_shader_program *shader_program,
-           gl_shader_stage stage)
-{
-   lower_state state;
-
-   state.mem_ctx = ralloc_parent(impl);
-   state.shader_program = shader_program;
-   state.stage = stage;
-
-   nir_foreach_block(impl, lower_block_cb, &state);
-}
-
-extern "C" void
-nir_lower_samplers(nir_shader *shader,
-                   const struct gl_shader_program *shader_program)
-{
-   nir_foreach_overload(shader, overload) {
-      if (overload->impl)
-         lower_impl(overload->impl, shader_program, shader->stage);
-   }
-}
-
-static bool
-lower_samplers_for_vk_block(nir_block *block, void *data)
-{
-   nir_foreach_instr(block, instr) {
-      if (instr->type != nir_instr_type_tex)
-         continue;
-
-      nir_tex_instr *tex = nir_instr_as_tex(instr);
-
-      assert(tex->sampler);
-
-      tex->sampler_set = tex->sampler->var->data.descriptor_set;
-      tex->sampler_index = tex->sampler->var->data.binding;
-
-      if (tex->sampler->deref.child) {
-         assert(tex->sampler->deref.child->deref_type == nir_deref_type_array);
-         nir_deref_array *arr = nir_deref_as_array(tex->sampler->deref.child);
-
-         /* Only one-level arrays are allowed in vulkan */
-         assert(arr->deref.child == NULL);
-
-         tex->sampler_index += arr->base_offset;
-         if (arr->deref_array_type == nir_deref_array_type_indirect) {
-            add_indirect_to_tex(tex, arr->indirect);
-            nir_instr_rewrite_src(instr, &arr->indirect, NIR_SRC_INIT);
-
-            tex->sampler_array_size = glsl_get_length(tex->sampler->deref.type);
-         }
-      }
-
-      tex->sampler = NULL;
-   }
-
-   return true;
-}
-
-extern "C" void
-nir_lower_samplers_for_vk(nir_shader *shader)
-{
-   nir_foreach_overload(shader, overload) {
-      if (overload->impl) {
-         nir_foreach_block(overload->impl, lower_samplers_for_vk_block, NULL);
-      }
-   }
-}