diff options
Diffstat (limited to 'src/glsl/pp/sl_pp_extension.c')
| -rw-r--r-- | src/glsl/pp/sl_pp_extension.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/glsl/pp/sl_pp_extension.c b/src/glsl/pp/sl_pp_extension.c deleted file mode 100644 index 00dbdcf22b..0000000000 --- a/src/glsl/pp/sl_pp_extension.c +++ /dev/null @@ -1,180 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * 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, sub license, 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 <assert.h> -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" -#include "sl_pp_token.h" - - -/** - * Declare an extension to the preprocessor. This tells the preprocessor - * which extensions are supported by Mesa. - * The shader still needs to have a "#extension name: behavior" line to enable - * the extension. - */ -int -sl_pp_context_add_extension(struct sl_pp_context *context, - const char *name) -{ - struct sl_pp_extension ext; - - if (context->num_extensions == SL_PP_MAX_EXTENSIONS) { - return -1; - } - - ext.name = sl_pp_context_add_unique_str(context, name); - if (ext.name == -1) { - return -1; - } - - context->extensions[context->num_extensions++] = ext; - - assert(context->num_extensions <= sizeof(context->extensions)); - - return 0; -} - - -/** - * Process a "#extension name: behavior" directive. - */ -int -sl_pp_process_extension(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state) -{ - int extension_name = -1; - int behavior = -1; - struct sl_pp_token_info out; - - /* Grab the extension name. */ - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - extension_name = input[first].data.identifier; - first++; - } - if (extension_name == -1) { - strcpy(context->error_msg, "expected identifier after `#extension'"); - return -1; - } - - /* Make sure the extension is supported. */ - if (extension_name == context->dict.all) { - out.data.extension = extension_name; - } else { - unsigned int i; - - out.data.extension = -1; - for (i = 0; i < context->num_extensions; i++) { - if (extension_name == context->extensions[i].name) { - out.data.extension = extension_name; - break; - } - } - } - - /* Grab the colon separating the extension name and behavior. */ - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - if (first < last && input[first].token == SL_PP_COLON) { - first++; - } else { - strcpy(context->error_msg, "expected `:' after extension name"); - return -1; - } - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - /* Grab the behavior name. */ - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - behavior = input[first].data.identifier; - first++; - } - if (behavior == -1) { - strcpy(context->error_msg, "expected identifier after `:'"); - return -1; - } - - if (behavior == context->dict.require) { - if (out.data.extension == -1) { - strcpy(context->error_msg, "the required extension is not supported"); - return -1; - } - if (out.data.extension == context->dict.all) { - strcpy(context->error_msg, "invalid behavior for `all' extension: `require'"); - return -1; - } - out.token = SL_PP_EXTENSION_REQUIRE; - } else if (behavior == context->dict.enable) { - if (out.data.extension == -1) { - /* Warning: the extension cannot be enabled. */ - return 0; - } - if (out.data.extension == context->dict.all) { - strcpy(context->error_msg, "invalid behavior for `all' extension: `enable'"); - return -1; - } - out.token = SL_PP_EXTENSION_ENABLE; - } else if (behavior == context->dict.warn) { - if (out.data.extension == -1) { - /* Warning: the extension is not supported. */ - return 0; - } - out.token = SL_PP_EXTENSION_WARN; - } else if (behavior == context->dict.disable) { - if (out.data.extension == -1) { - /* Warning: the extension is not supported. */ - return 0; - } - out.token = SL_PP_EXTENSION_DISABLE; - } else { - strcpy(context->error_msg, "unrecognised behavior name"); - return -1; - } - - /* Grab the end of line. */ - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - if (first < last) { - strcpy(context->error_msg, "expected end of line after behavior name"); - return -1; - } - - if (sl_pp_process_out(state, &out)) { - return -1; - } - - return 0; -} |