From 87d2de04fbb7d9ea8eae9c58f7c7fb842ffe06f6 Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Fri, 4 Sep 2009 11:32:46 +0200 Subject: glsl: Implement `extension' preprocessor directive. No extensions supported. --- src/glsl/pp/sl_pp_extension.c | 129 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 src/glsl/pp/sl_pp_extension.c (limited to 'src/glsl/pp/sl_pp_extension.c') diff --git a/src/glsl/pp/sl_pp_extension.c b/src/glsl/pp/sl_pp_extension.c new file mode 100644 index 00000000000..3d223a1a548 --- /dev/null +++ b/src/glsl/pp/sl_pp_extension.c @@ -0,0 +1,129 @@ +/************************************************************************** + * + * 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 +#include "sl_pp_process.h" + + +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 all_extensions = -1; + const char *extension_name = NULL; + const char *behavior = NULL; + struct sl_pp_token_info out; + + all_extensions = sl_pp_context_add_unique_str(context, "all"); + if (all_extensions == -1) { + return -1; + } + + if (first < last && input[first].token == SL_PP_IDENTIFIER) { + extension_name = sl_pp_context_cstr(context, input[first].data.identifier); + first++; + } + if (!extension_name) { + strcpy(context->error_msg, "expected identifier after `#extension'"); + return -1; + } + + if (!strcmp(extension_name, "all")) { + out.data.extension = all_extensions; + } else { + out.data.extension = -1; + } + + 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++; + } + + if (first < last && input[first].token == SL_PP_IDENTIFIER) { + behavior = sl_pp_context_cstr(context, input[first].data.identifier); + first++; + } + if (!behavior) { + strcpy(context->error_msg, "expected identifier after `:'"); + return -1; + } + + if (!strcmp(behavior, "require")) { + strcpy(context->error_msg, "unable to enable required extension"); + return -1; + } else if (!strcmp(behavior, "enable")) { + if (out.data.extension == all_extensions) { + strcpy(context->error_msg, "unable to enable all extensions"); + return -1; + } else { + return 0; + } + } else if (!strcmp(behavior, "warn")) { + if (out.data.extension == all_extensions) { + out.token = SL_PP_EXTENSION_WARN; + } else { + return 0; + } + } else if (!strcmp(behavior, "disable")) { + if (out.data.extension == all_extensions) { + out.token = SL_PP_EXTENSION_DISABLE; + } else { + return 0; + } + } else { + strcpy(context->error_msg, "unrecognised behavior name"); + return -1; + } + + 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; +} -- cgit v1.2.3 From 0f302b60fd6d43a47e208979d0677e09f4a802fc Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Mon, 14 Sep 2009 13:09:36 +0200 Subject: glsl/pp: Support GL_ARB_draw_buffers and GL_ARB_texture_rectangle. --- src/glsl/pp/sl_pp_extension.c | 83 +++++++++++++++++++++++++------------------ 1 file changed, 49 insertions(+), 34 deletions(-) (limited to 'src/glsl/pp/sl_pp_extension.c') diff --git a/src/glsl/pp/sl_pp_extension.c b/src/glsl/pp/sl_pp_extension.c index 3d223a1a548..33193d03a8c 100644 --- a/src/glsl/pp/sl_pp_extension.c +++ b/src/glsl/pp/sl_pp_extension.c @@ -36,86 +36,101 @@ sl_pp_process_extension(struct sl_pp_context *context, unsigned int last, struct sl_pp_process_state *state) { - int all_extensions = -1; - const char *extension_name = NULL; - const char *behavior = NULL; + int extensions[] = { + context->dict.all, + context->dict._GL_ARB_draw_buffers, + context->dict._GL_ARB_texture_rectangle, + -1 + }; + int extension_name = -1; + int *ext; + int behavior = -1; struct sl_pp_token_info out; - all_extensions = sl_pp_context_add_unique_str(context, "all"); - if (all_extensions == -1) { - return -1; - } - + /* Grab the extension name. */ if (first < last && input[first].token == SL_PP_IDENTIFIER) { - extension_name = sl_pp_context_cstr(context, input[first].data.identifier); + extension_name = input[first].data.identifier; first++; } - if (!extension_name) { + if (extension_name == -1) { strcpy(context->error_msg, "expected identifier after `#extension'"); return -1; } - if (!strcmp(extension_name, "all")) { - out.data.extension = all_extensions; - } else { - out.data.extension = -1; + /* Make sure the extension is supported. */ + out.data.extension = -1; + for (ext = extensions; *ext != -1; ext++) { + if (extension_name == *ext) { + 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 = sl_pp_context_cstr(context, input[first].data.identifier); + behavior = input[first].data.identifier; first++; } - if (!behavior) { + if (behavior == -1) { strcpy(context->error_msg, "expected identifier after `:'"); return -1; } - if (!strcmp(behavior, "require")) { - strcpy(context->error_msg, "unable to enable required extension"); - return -1; - } else if (!strcmp(behavior, "enable")) { - if (out.data.extension == all_extensions) { - strcpy(context->error_msg, "unable to enable all extensions"); + 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; - } else { + } + 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; } - } else if (!strcmp(behavior, "warn")) { - if (out.data.extension == all_extensions) { - out.token = SL_PP_EXTENSION_WARN; - } else { + 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; } - } else if (!strcmp(behavior, "disable")) { - if (out.data.extension == all_extensions) { - out.token = SL_PP_EXTENSION_DISABLE; - } else { + 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; -- cgit v1.2.3 From 7a95a3c7c4ba49ec174681c36951e3c0672df06c Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Thu, 24 Sep 2009 10:56:46 +0200 Subject: glsl/pp: Include missing headers. --- src/glsl/pp/sl_pp_context.c | 1 + src/glsl/pp/sl_pp_error.c | 1 + src/glsl/pp/sl_pp_expression.c | 1 + src/glsl/pp/sl_pp_extension.c | 1 + src/glsl/pp/sl_pp_if.c | 1 + src/glsl/pp/sl_pp_line.c | 1 + src/glsl/pp/sl_pp_pragma.c | 1 + src/glsl/pp/sl_pp_process.c | 2 ++ src/glsl/pp/sl_pp_token.c | 1 + src/glsl/pp/sl_pp_version.c | 1 + 10 files changed, 11 insertions(+) (limited to 'src/glsl/pp/sl_pp_extension.c') diff --git a/src/glsl/pp/sl_pp_context.c b/src/glsl/pp/sl_pp_context.c index fd205de5d32..8ce189d955c 100644 --- a/src/glsl/pp/sl_pp_context.c +++ b/src/glsl/pp/sl_pp_context.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_public.h" #include "sl_pp_context.h" diff --git a/src/glsl/pp/sl_pp_error.c b/src/glsl/pp/sl_pp_error.c index df9b191dfeb..a9eeff98ba5 100644 --- a/src/glsl/pp/sl_pp_error.c +++ b/src/glsl/pp/sl_pp_error.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_process.h" #include "sl_pp_public.h" diff --git a/src/glsl/pp/sl_pp_expression.c b/src/glsl/pp/sl_pp_expression.c index 3f6dfb5a6d3..ec904787dd7 100644 --- a/src/glsl/pp/sl_pp_expression.c +++ b/src/glsl/pp/sl_pp_expression.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_expression.h" #include "sl_pp_public.h" diff --git a/src/glsl/pp/sl_pp_extension.c b/src/glsl/pp/sl_pp_extension.c index 33193d03a8c..4148fd9a5a3 100644 --- a/src/glsl/pp/sl_pp_extension.c +++ b/src/glsl/pp/sl_pp_extension.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_process.h" diff --git a/src/glsl/pp/sl_pp_if.c b/src/glsl/pp/sl_pp_if.c index c8e958eab49..a0b3635dd5a 100644 --- a/src/glsl/pp/sl_pp_if.c +++ b/src/glsl/pp/sl_pp_if.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_expression.h" #include "sl_pp_process.h" diff --git a/src/glsl/pp/sl_pp_line.c b/src/glsl/pp/sl_pp_line.c index 41ddaf6ba25..fc2dd89e68b 100644 --- a/src/glsl/pp/sl_pp_line.c +++ b/src/glsl/pp/sl_pp_line.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_public.h" #include "sl_pp_process.h" diff --git a/src/glsl/pp/sl_pp_pragma.c b/src/glsl/pp/sl_pp_pragma.c index 03269b63db7..489eb17b8eb 100644 --- a/src/glsl/pp/sl_pp_pragma.c +++ b/src/glsl/pp/sl_pp_pragma.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_process.h" diff --git a/src/glsl/pp/sl_pp_process.c b/src/glsl/pp/sl_pp_process.c index 67ed5888187..4b783e40b4d 100644 --- a/src/glsl/pp/sl_pp_process.c +++ b/src/glsl/pp/sl_pp_process.c @@ -26,7 +26,9 @@ **************************************************************************/ #include +#include #include "sl_pp_process.h" +#include "sl_pp_public.h" static void diff --git a/src/glsl/pp/sl_pp_token.c b/src/glsl/pp/sl_pp_token.c index 99a32a6e671..f232dafc682 100644 --- a/src/glsl/pp/sl_pp_token.c +++ b/src/glsl/pp/sl_pp_token.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_context.h" #include "sl_pp_token.h" diff --git a/src/glsl/pp/sl_pp_version.c b/src/glsl/pp/sl_pp_version.c index adf3017bf21..db06523749c 100644 --- a/src/glsl/pp/sl_pp_version.c +++ b/src/glsl/pp/sl_pp_version.c @@ -26,6 +26,7 @@ **************************************************************************/ #include +#include #include "sl_pp_public.h" #include "sl_pp_context.h" -- cgit v1.2.3 From 91e164b3d0b1d36bfdf369266ae7e1ab396f1ba2 Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Thu, 10 Dec 2009 12:38:22 +0100 Subject: glsl/pp: Add sl_pp_context_add_extension(). This way third parties are able to add supported extension strings. --- src/glsl/pp/sl_pp_context.h | 10 +++++++++ src/glsl/pp/sl_pp_dict.c | 2 -- src/glsl/pp/sl_pp_dict.h | 2 -- src/glsl/pp/sl_pp_extension.c | 49 ++++++++++++++++++++++++++++++++----------- src/glsl/pp/sl_pp_macro.c | 12 +++++++++++ src/glsl/pp/sl_pp_public.h | 5 +++++ 6 files changed, 64 insertions(+), 16 deletions(-) (limited to 'src/glsl/pp/sl_pp_extension.c') diff --git a/src/glsl/pp/sl_pp_context.h b/src/glsl/pp/sl_pp_context.h index 569a2d735b9..5e3ae72fdfa 100644 --- a/src/glsl/pp/sl_pp_context.h +++ b/src/glsl/pp/sl_pp_context.h @@ -37,6 +37,13 @@ #define SL_PP_MAX_ERROR_MSG 1024 +#define SL_PP_MAX_EXTENSIONS 16 + +struct sl_pp_extension { + int name; /*< VENDOR_extension_name */ + int name_string; /*< GL_VENDOR_extension_name */ +}; + struct sl_pp_context { char *cstr_pool; unsigned int cstr_pool_max; @@ -46,6 +53,9 @@ struct sl_pp_context { struct sl_pp_macro *macro; struct sl_pp_macro **macro_tail; + struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS]; + unsigned int num_extensions; + unsigned int if_stack[SL_PP_MAX_IF_NESTING]; unsigned int if_ptr; unsigned int if_value; diff --git a/src/glsl/pp/sl_pp_dict.c b/src/glsl/pp/sl_pp_dict.c index 2dd77a69e90..062139e6ac0 100644 --- a/src/glsl/pp/sl_pp_dict.c +++ b/src/glsl/pp/sl_pp_dict.c @@ -45,8 +45,6 @@ int sl_pp_dict_init(struct sl_pp_context *context) { ADD_NAME(context, all); - ADD_NAME_STR(context, _GL_ARB_draw_buffers, "GL_ARB_draw_buffers"); - ADD_NAME_STR(context, _GL_ARB_texture_rectangle, "GL_ARB_texture_rectangle"); ADD_NAME(context, require); ADD_NAME(context, enable); diff --git a/src/glsl/pp/sl_pp_dict.h b/src/glsl/pp/sl_pp_dict.h index 49f0e0bf9fa..875217bd309 100644 --- a/src/glsl/pp/sl_pp_dict.h +++ b/src/glsl/pp/sl_pp_dict.h @@ -33,8 +33,6 @@ struct sl_pp_context; struct sl_pp_dict { int all; - int _GL_ARB_draw_buffers; - int _GL_ARB_texture_rectangle; int require; int enable; diff --git a/src/glsl/pp/sl_pp_extension.c b/src/glsl/pp/sl_pp_extension.c index 4148fd9a5a3..67b24404d4d 100644 --- a/src/glsl/pp/sl_pp_extension.c +++ b/src/glsl/pp/sl_pp_extension.c @@ -28,8 +28,34 @@ #include #include #include "sl_pp_process.h" +#include "sl_pp_public.h" +int +sl_pp_context_add_extension(struct sl_pp_context *context, + const char *name, + const char *name_string) +{ + 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; + } + + ext.name_string = sl_pp_context_add_unique_str(context, name_string); + if (ext.name_string == -1) { + return -1; + } + + context->extensions[context->num_extensions++] = ext; + return 0; +} + int sl_pp_process_extension(struct sl_pp_context *context, const struct sl_pp_token_info *input, @@ -37,14 +63,7 @@ sl_pp_process_extension(struct sl_pp_context *context, unsigned int last, struct sl_pp_process_state *state) { - int extensions[] = { - context->dict.all, - context->dict._GL_ARB_draw_buffers, - context->dict._GL_ARB_texture_rectangle, - -1 - }; int extension_name = -1; - int *ext; int behavior = -1; struct sl_pp_token_info out; @@ -59,11 +78,17 @@ sl_pp_process_extension(struct sl_pp_context *context, } /* Make sure the extension is supported. */ - out.data.extension = -1; - for (ext = extensions; *ext != -1; ext++) { - if (extension_name == *ext) { - out.data.extension = extension_name; - break; + 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_string) { + out.data.extension = extension_name; + break; + } } } diff --git a/src/glsl/pp/sl_pp_macro.c b/src/glsl/pp/sl_pp_macro.c index 29f1229dd7d..05466c9a7c3 100644 --- a/src/glsl/pp/sl_pp_macro.c +++ b/src/glsl/pp/sl_pp_macro.c @@ -163,6 +163,18 @@ sl_pp_macro_expand(struct sl_pp_context *context, return 0; } + /* Replace extension names with 1. + */ + for (j = 0; j < context->num_extensions; j++) { + if (macro_name == context->extensions[j].name) { + if (!mute && _out_number(context, state, 1)) { + return -1; + } + (*pi)++; + return 0; + } + } + /* TODO: For FEATURE_es2_glsl, expand to 1 the following symbols. * GL_ES * GL_FRAGMENT_PRECISION_HIGH diff --git a/src/glsl/pp/sl_pp_public.h b/src/glsl/pp/sl_pp_public.h index 8317c7e378a..20f208975e4 100644 --- a/src/glsl/pp/sl_pp_public.h +++ b/src/glsl/pp/sl_pp_public.h @@ -45,6 +45,11 @@ sl_pp_context_destroy(struct sl_pp_context *context); const char * sl_pp_context_error_message(const struct sl_pp_context *context); +int +sl_pp_context_add_extension(struct sl_pp_context *context, + const char *name, + const char *name_string); + int sl_pp_context_add_unique_str(struct sl_pp_context *context, const char *str); -- cgit v1.2.3