/* -*- c++ -*- */ /* * Copyright © 2010 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. */ #pragma once #ifndef IR_PRINT_GLSL_VISITOR_H #define IR_PRINT_GLSL_VISITOR_H #include "ir.h" enum PrintGlslMode { kPrintGlslNone = 0, kPrintGlslVertex, kPrintGlslFragment, }; extern char* _mesa_print_ir_glsl(exec_list *instructions, struct _mesa_glsl_parse_state *state, char* buf, PrintGlslMode mode); class string_buffer { public: string_buffer(void* mem_ctx) { m_Capacity = 512; m_Ptr = (char*)ralloc_size(mem_ctx, m_Capacity); m_Size = 0; m_Ptr[0] = 0; } ~string_buffer() { ralloc_free(m_Ptr); } bool empty() const { return m_Size == 0; } const char* c_str() const { return m_Ptr; } void asprintf_append(const char *fmt, ...) PRINTFLIKE(2, 3) { va_list args; va_start(args, fmt); vasprintf_append(fmt, args); va_end(args); } void vasprintf_append(const char *fmt, va_list args) { assert (m_Ptr != NULL); vasprintf_rewrite_tail (&m_Size, fmt, args); } void vasprintf_rewrite_tail (size_t *start, const char *fmt, va_list args) { assert (m_Ptr != NULL); size_t new_length = printf_length(fmt, args); size_t needed_length = m_Size + new_length + 1; if (m_Capacity < needed_length) { m_Capacity = MAX2 (m_Capacity + m_Capacity/2, needed_length); m_Ptr = (char*)reralloc_size(ralloc_parent(m_Ptr), m_Ptr, m_Capacity); } vsnprintf(m_Ptr + m_Size, new_length+1, fmt, args); m_Size += new_length; assert (m_Capacity >= m_Size); } private: char* m_Ptr; size_t m_Size; size_t m_Capacity; }; extern void print_float (string_buffer& buffer, float f); #endif /* IR_PRINT_GLSL_VISITOR_H */