diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_assemble_conditional.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_assemble_conditional.c | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/src/mesa/shader/slang/slang_assemble_conditional.c b/src/mesa/shader/slang/slang_assemble_conditional.c deleted file mode 100644 index f3400e8753a..00000000000 --- a/src/mesa/shader/slang/slang_assemble_conditional.c +++ /dev/null @@ -1,448 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * 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_conditional.c - * slang condtional expressions assembler - * \author Michal Krol - */ - -#include "imports.h" -#include "slang_assemble.h" -#include "slang_compile.h" - -/* - * _slang_assemble_logicaland() - * - * and: - * <left-expression> - * jumpz zero - * <right-expression> - * jump end - * zero: - * push 0 - * end: - */ - -GLboolean _slang_assemble_logicaland (slang_assemble_ctx *A, slang_operation *op) -{ - GLuint zero_jump, end_jump; - - /* evaluate left expression */ - if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid)) - return GL_FALSE; - - /* jump to pushing 0 if not true */ - zero_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero)) - return GL_FALSE; - - /* evaluate right expression */ - if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid)) - return GL_FALSE; - - /* jump to the end of the expression */ - end_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* push 0 on stack */ - A->file->code[zero_jump].param[0] = A->file->count; - if (!slang_assembly_file_push_literal (A->file, slang_asm_bool_push, (GLfloat) 0)) - return GL_FALSE; - - /* the end of the expression */ - A->file->code[end_jump].param[0] = A->file->count; - - return GL_TRUE; -} - -/* - * _slang_assemble_logicalor() - * - * or: - * <left-expression> - * jumpz right - * push 1 - * jump end - * right: - * <right-expression> - * end: - */ - -GLboolean _slang_assemble_logicalor (slang_assemble_ctx *A, slang_operation *op) -{ - GLuint right_jump, end_jump; - - /* evaluate left expression */ - if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid)) - return GL_FALSE; - - /* jump to evaluation of right expression if not true */ - right_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero)) - return GL_FALSE; - - /* push 1 on stack */ - if (!slang_assembly_file_push_literal (A->file, slang_asm_bool_push, (GLfloat) 1)) - return GL_FALSE; - - /* jump to the end of the expression */ - end_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* evaluate right expression */ - A->file->code[right_jump].param[0] = A->file->count; - if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid)) - return GL_FALSE; - - /* the end of the expression */ - A->file->code[end_jump].param[0] = A->file->count; - - return GL_TRUE; -} - -/* - * _slang_assemble_select() - * - * select: - * <condition-expression> - * jumpz false - * <true-expression> - * jump end - * false: - * <false-expression> - * end: - */ - -GLboolean _slang_assemble_select (slang_assemble_ctx *A, slang_operation *op) -{ - GLuint cond_jump, end_jump; - - /* execute condition expression */ - if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid)) - return GL_FALSE; - - /* jump to false expression if not true */ - cond_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero)) - return GL_FALSE; - - /* execute true expression */ - if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid)) - return GL_FALSE; - - /* jump to the end of the expression */ - end_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* resolve false point */ - A->file->code[cond_jump].param[0] = A->file->count; - - /* execute false expression */ - if (!_slang_assemble_operation (A, &op->children[2], slang_ref_forbid)) - return GL_FALSE; - - /* resolve the end of the expression */ - A->file->code[end_jump].param[0] = A->file->count; - - return GL_TRUE; -} - -/* - * _slang_assemble_for() - * - * for: - * <init-statement> - * jump start - * break: - * jump end - * continue: - * <loop-increment> - * start: - * <condition-statement> - * jumpz end - * <loop-body> - * jump continue - * end: - */ - -GLboolean _slang_assemble_for (slang_assemble_ctx *A, slang_operation *op) -{ - GLuint start_jump, end_jump, cond_jump; - GLuint break_label, cont_label; - slang_assembly_flow_control save_flow = A->flow; - - /* execute initialization statement */ - if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid/*slang_ref_freelance*/)) - return GL_FALSE; - if (!_slang_cleanup_stack (A, &op->children[0])) - return GL_FALSE; - - /* skip the "go to the end of the loop" and loop-increment statements */ - start_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* go to the end of the loop - break statements are directed here */ - break_label = A->file->count; - end_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* resolve the beginning of the loop - continue statements are directed here */ - cont_label = A->file->count; - - /* execute loop-increment statement */ - if (!_slang_assemble_operation (A, &op->children[2], slang_ref_forbid/*slang_ref_freelance*/)) - return GL_FALSE; - if (!_slang_cleanup_stack (A, &op->children[2])) - return GL_FALSE; - - /* resolve the condition point */ - A->file->code[start_jump].param[0] = A->file->count; - - /* execute condition statement */ - if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid)) - return GL_FALSE; - - /* jump to the end of the loop if not true */ - cond_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero)) - return GL_FALSE; - - /* execute loop body */ - A->flow.loop_start = cont_label; - A->flow.loop_end = break_label; - if (!_slang_assemble_operation (A, &op->children[3], slang_ref_forbid/*slang_ref_freelance*/)) - return GL_FALSE; - if (!_slang_cleanup_stack (A, &op->children[3])) - return GL_FALSE; - A->flow = save_flow; - - /* go to the beginning of the loop */ - if (!slang_assembly_file_push_label (A->file, slang_asm_jump, cont_label)) - return GL_FALSE; - - /* resolve the end of the loop */ - A->file->code[end_jump].param[0] = A->file->count; - A->file->code[cond_jump].param[0] = A->file->count; - - return GL_TRUE; -} - -/* - * _slang_assemble_do() - * - * do: - * jump start - * break: - * jump end - * continue: - * jump condition - * start: - * <loop-body> - * condition: - * <condition-statement> - * jumpz end - * jump start - * end: - */ - -GLboolean _slang_assemble_do (slang_assemble_ctx *A, slang_operation *op) -{ - GLuint skip_jump, end_jump, cont_jump, cond_jump; - GLuint break_label, cont_label; - slang_assembly_flow_control save_flow = A->flow; - - /* skip the "go to the end of the loop" and "go to condition" statements */ - skip_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* go to the end of the loop - break statements are directed here */ - break_label = A->file->count; - end_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* go to condition - continue statements are directed here */ - cont_label = A->file->count; - cont_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* resolve the beginning of the loop */ - A->file->code[skip_jump].param[0] = A->file->count; - - /* execute loop body */ - A->flow.loop_start = cont_label; - A->flow.loop_end = break_label; - if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid/*slang_ref_freelance*/)) - return GL_FALSE; - if (!_slang_cleanup_stack (A, &op->children[0])) - return GL_FALSE; - A->flow = save_flow; - - /* resolve condition point */ - A->file->code[cont_jump].param[0] = A->file->count; - - /* execute condition statement */ - if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid)) - return GL_FALSE; - - /* jump to the end of the loop if not true */ - cond_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero)) - return GL_FALSE; - - /* jump to the beginning of the loop */ - if (!slang_assembly_file_push_label (A->file, slang_asm_jump, A->file->code[skip_jump].param[0])) - return GL_FALSE; - - /* resolve the end of the loop */ - A->file->code[end_jump].param[0] = A->file->count; - A->file->code[cond_jump].param[0] = A->file->count; - - return GL_TRUE; -} - -/* - * _slang_assemble_while() - * - * while: - * jump continue - * break: - * jump end - * continue: - * <condition-statement> - * jumpz end - * <loop-body> - * jump continue - * end: - */ - -GLboolean _slang_assemble_while (slang_assemble_ctx *A, slang_operation *op) -{ - GLuint skip_jump, end_jump, cond_jump; - GLuint break_label; - slang_assembly_flow_control save_flow = A->flow; - - /* skip the "go to the end of the loop" statement */ - skip_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* go to the end of the loop - break statements are directed here */ - break_label = A->file->count; - end_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* resolve the beginning of the loop - continue statements are directed here */ - A->file->code[skip_jump].param[0] = A->file->count; - - /* execute condition statement */ - if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid)) - return GL_FALSE; - - /* jump to the end of the loop if not true */ - cond_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero)) - return GL_FALSE; - - /* execute loop body */ - A->flow.loop_start = A->file->code[skip_jump].param[0]; - A->flow.loop_end = break_label; - if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid/*slang_ref_freelance*/)) - return GL_FALSE; - if (!_slang_cleanup_stack (A, &op->children[1])) - return GL_FALSE; - A->flow = save_flow; - - /* jump to the beginning of the loop */ - if (!slang_assembly_file_push_label (A->file, slang_asm_jump, A->file->code[skip_jump].param[0])) - return GL_FALSE; - - /* resolve the end of the loop */ - A->file->code[end_jump].param[0] = A->file->count; - A->file->code[cond_jump].param[0] = A->file->count; - - return GL_TRUE; -} - -/* - * _slang_assemble_if() - * - * if: - * <condition-statement> - * jumpz else - * <true-statement> - * jump end - * else: - * <false-statement> - * end: - */ - -GLboolean _slang_assemble_if (slang_assemble_ctx *A, slang_operation *op) -{ - GLuint cond_jump, else_jump; - - /* execute condition statement */ - if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid)) - return GL_FALSE; - - /* jump to false-statement if not true */ - cond_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero)) - return GL_FALSE; - - /* execute true-statement */ - if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid/*slang_ref_freelance*/)) - return GL_FALSE; - if (!_slang_cleanup_stack (A, &op->children[1])) - return GL_FALSE; - - /* skip if-false statement */ - else_jump = A->file->count; - if (!slang_assembly_file_push (A->file, slang_asm_jump)) - return GL_FALSE; - - /* resolve start of false-statement */ - A->file->code[cond_jump].param[0] = A->file->count; - - /* execute false-statement */ - if (!_slang_assemble_operation (A, &op->children[2], slang_ref_forbid/*slang_ref_freelance*/)) - return GL_FALSE; - if (!_slang_cleanup_stack (A, &op->children[2])) - return GL_FALSE; - - /* resolve end of if-false statement */ - A->file->code[else_jump].param[0] = A->file->count; - - return GL_TRUE; -} - |