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Diffstat (limited to 'src/mesa/shader/slang/slang_assemble_assignment.c')
-rw-r--r--src/mesa/shader/slang/slang_assemble_assignment.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/src/mesa/shader/slang/slang_assemble_assignment.c b/src/mesa/shader/slang/slang_assemble_assignment.c
deleted file mode 100644
index 6efc0f558a..0000000000
--- a/src/mesa/shader/slang/slang_assemble_assignment.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.2
- *
- * Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
- *
- * 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 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
- * BRIAN PAUL 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.
- */
-
-/**
- * \file slang_assemble_assignment.c
- * slang assignment expressions assembler
- * \author Michal Krol
- */
-
-#include "imports.h"
-#include "slang_assemble.h"
-#include "slang_storage.h"
-#include "slang_error.h"
-
-/*
- * _slang_assemble_assignment()
- *
- * Copies values on the stack (<component 0> to <component N-1>) to a memory
- * location pointed by <addr of variable>.
- *
- * in:
- * +------------------+
- * | addr of variable |
- * +------------------+
- * | component N-1 |
- * | ... |
- * | component 0 |
- * +------------------+
- *
- * out:
- * +------------------+
- * | addr of variable |
- * +------------------+
- */
-
-
-
-static GLboolean
-assign_basic(slang_assemble_ctx * A, slang_storage_type type, GLuint * index,
- GLuint size)
-{
- GLuint dst_offset, dst_addr_loc;
- slang_assembly_type ty;
-
- /* Calculate the offset within destination variable to write. */
- if (A->swz.num_components != 0)
- dst_offset = A->swz.swizzle[*index / 4] * 4;
- else
- dst_offset = *index;
-
- switch (type) {
- case slang_stor_bool:
- ty = slang_asm_bool_copy;
- break;
- case slang_stor_int:
- ty = slang_asm_int_copy;
- break;
- case slang_stor_float:
- ty = slang_asm_float_copy;
- break;
- default:
- _mesa_problem(NULL, "Unexpected arr->type in assign_basic");
- ty = slang_asm_none;
- }
-
- /* Calculate the distance from top of the stack to the destination
- * address. As the copy operation progresses, components of the
- * source are being successively popped off the stack by the amount
- * of *index increase step.
- */
- dst_addr_loc = size - *index;
-
- if (!slang_assembly_file_push_label2(A->file, ty, dst_addr_loc, dst_offset))
- RETURN_NIL();
-
- *index += _slang_sizeof_type(type);
-
- return GL_TRUE;
-}
-
-
-static GLboolean
-assign_aggregate(slang_assemble_ctx * A, const slang_storage_aggregate * agg,
- GLuint * index, GLuint size)
-{
- GLuint i;
-
- for (i = 0; i < agg->count; i++) {
- const slang_storage_array *arr = &agg->arrays[i];
- GLuint j;
-
- for (j = 0; j < arr->length; j++) {
- if (arr->type == slang_stor_aggregate) {
- if (!assign_aggregate(A, arr->aggregate, index, size))
- return GL_FALSE;
- }
- else {
- /* When the destination is swizzled, we are forced to do
- * float_copy, even if vec4 extension is enabled with
- * vec4_copy operation.
- */
- if (A->swz.num_components != 0 && arr->type == slang_stor_vec4) {
- if (!assign_basic(A, slang_stor_float, index, size))
- return GL_FALSE;
- if (!assign_basic(A, slang_stor_float, index, size))
- return GL_FALSE;
- if (!assign_basic(A, slang_stor_float, index, size))
- return GL_FALSE;
- if (!assign_basic(A, slang_stor_float, index, size))
- return GL_FALSE;
- }
- else {
- if (!assign_basic(A, arr->type, index, size))
- return GL_FALSE;
- }
- }
- }
- }
-
- return GL_TRUE;
-}
-
-
-GLboolean
-_slang_assemble_assignment(slang_assemble_ctx * A, const slang_operation * op)
-{
- slang_assembly_typeinfo ti;
- GLboolean result = GL_FALSE;
- slang_storage_aggregate agg;
- GLuint index, size;
-
- if (!slang_assembly_typeinfo_construct(&ti))
- RETURN_OUT_OF_MEMORY();
- if (!_slang_typeof_operation(A, op, &ti))
- goto end1;
-
- if (!slang_storage_aggregate_construct(&agg))
- goto end1;
- if (!_slang_aggregate_variable(&agg, &ti.spec, 0, A->space.funcs,
- A->space.structs, A->space.vars,
- A->file, A->atoms))
- goto end;
-
- index = 0;
- size = _slang_sizeof_aggregate(&agg);
- result = assign_aggregate(A, &agg, &index, size);
-
- end1:
- slang_storage_aggregate_destruct(&agg);
- end:
- slang_assembly_typeinfo_destruct(&ti);
- if (!result)
- RETURN_NIL();
- return result;
-}
-
-
-/**
- * Performs unary (pre ++ and --) or binary (=, +=, -=, *=, /=)
- * assignment on the operation's children.
- */
-GLboolean
-_slang_assemble_assign(slang_assemble_ctx * A, slang_operation * op,
- const char *oper, slang_ref_type ref)
-{
- slang_swizzle swz;
-
- if (ref == slang_ref_forbid) {
- if (!slang_assembly_file_push_label2
- (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
- return GL_FALSE;
- }
-
- if (slang_string_compare("=", oper) == 0) {
- if (!_slang_assemble_operation(A, &op->children[0], slang_ref_force))
- return GL_FALSE;
- swz = A->swz;
- if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
- return GL_FALSE;
- A->swz = swz;
- if (!_slang_assemble_assignment(A, op->children))
- return GL_FALSE;
- }
- else {
- if (!_slang_assemble_function_call_name
- (A, oper, op->children, op->num_children, GL_TRUE))
- return GL_FALSE;
- }
-
- if (ref == slang_ref_forbid) {
- if (!slang_assembly_file_push(A->file, slang_asm_addr_copy))
- return GL_FALSE;
- if (!slang_assembly_file_push_label(A->file, slang_asm_local_free, 4))
- return GL_FALSE;
- if (!_slang_dereference(A, op->children))
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
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