diff options
author | Michal Krol <michal@vmware.com> | 2009-12-17 22:37:15 +0100 |
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committer | Michal Krol <michal@vmware.com> | 2009-12-17 22:37:15 +0100 |
commit | 16c6dce013f089d072256652f012b3b604781bfd (patch) | |
tree | 077623708990a855f9be2dfeb3925f727e6207e7 /src/glsl/pp/sl_pp_version.c | |
parent | 440fc5bf788201a265892ff2e12bf102e63a2896 (diff) | |
parent | 294bd53d4b6b15a6890599c46f14b205a3c738bf (diff) |
Merge branch 'master' into pipe-format-simplify
Conflicts:
src/gallium/auxiliary/draw/draw_pipe_aaline.c
src/gallium/auxiliary/draw/draw_pipe_pstipple.c
src/gallium/auxiliary/util/u_blit.c
src/gallium/auxiliary/util/u_gen_mipmap.c
src/gallium/auxiliary/util/u_surface.c
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
src/gallium/drivers/cell/ppu/cell_texture.c
src/gallium/drivers/llvmpipe/lp_texture.c
src/gallium/drivers/r300/r300_emit.c
src/gallium/drivers/r300/r300_texture.c
src/gallium/drivers/softpipe/sp_texture.c
src/gallium/drivers/softpipe/sp_tile_cache.c
src/gallium/drivers/svga/svga_state_vs.c
src/gallium/include/pipe/p_format.h
src/gallium/state_trackers/dri/dri_drawable.c
src/gallium/state_trackers/egl/egl_surface.c
src/gallium/state_trackers/python/p_device.i
src/gallium/state_trackers/python/st_softpipe_winsys.c
src/gallium/state_trackers/vega/api_filters.c
src/gallium/state_trackers/vega/image.c
src/gallium/state_trackers/vega/mask.c
src/gallium/state_trackers/vega/paint.c
src/gallium/state_trackers/vega/renderer.c
src/gallium/state_trackers/vega/vg_tracker.c
src/gallium/state_trackers/xorg/xorg_crtc.c
src/gallium/state_trackers/xorg/xorg_dri2.c
src/gallium/state_trackers/xorg/xorg_exa.c
src/gallium/state_trackers/xorg/xorg_renderer.c
src/gallium/state_trackers/xorg/xorg_xv.c
src/gallium/state_trackers/xorg/xvmc/surface.c
src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c
src/gallium/winsys/drm/radeon/core/radeon_buffer.c
src/gallium/winsys/egl_xlib/sw_winsys.c
src/gallium/winsys/g3dvl/xlib/xsp_winsys.c
src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c
src/gallium/winsys/gdi/gdi_softpipe_winsys.c
src/gallium/winsys/xlib/xlib_cell.c
src/gallium/winsys/xlib/xlib_llvmpipe.c
src/gallium/winsys/xlib/xlib_softpipe.c
src/mesa/state_tracker/st_cb_fbo.c
src/mesa/state_tracker/st_cb_texture.c
src/mesa/state_tracker/st_texture.c
Diffstat (limited to 'src/glsl/pp/sl_pp_version.c')
-rw-r--r-- | src/glsl/pp/sl_pp_version.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/glsl/pp/sl_pp_version.c b/src/glsl/pp/sl_pp_version.c new file mode 100644 index 0000000000..db06523749 --- /dev/null +++ b/src/glsl/pp/sl_pp_version.c @@ -0,0 +1,140 @@ +/************************************************************************** + * + * 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 <stdlib.h> +#include <string.h> +#include "sl_pp_public.h" +#include "sl_pp_context.h" + + +int +sl_pp_version(struct sl_pp_context *context, + const struct sl_pp_token_info *input, + unsigned int *version, + unsigned int *tokens_eaten) +{ + unsigned int i = 0; + unsigned int line = context->line; + + /* Default values if `#version' is not present. */ + *version = 110; + *tokens_eaten = 0; + + /* There can be multiple `#version' directives present. + * Accept the value of the last one. + */ + for (;;) { + int found_hash = 0; + int found_version = 0; + int found_number = 0; + int found_end = 0; + + /* Skip whitespace and newlines and seek for hash. */ + while (!found_hash) { + switch (input[i].token) { + case SL_PP_NEWLINE: + line++; + /* pass thru */ + case SL_PP_WHITESPACE: + i++; + break; + + case SL_PP_HASH: + i++; + found_hash = 1; + break; + + default: + return 0; + } + } + + /* Skip whitespace and seek for `version'. */ + while (!found_version) { + switch (input[i].token) { + case SL_PP_WHITESPACE: + i++; + break; + + case SL_PP_IDENTIFIER: + if (input[i].data.identifier != context->dict.version) { + return 0; + } + i++; + found_version = 1; + break; + + default: + return 0; + } + } + + /* Skip whitespace and seek for version number. */ + while (!found_number) { + switch (input[i].token) { + case SL_PP_WHITESPACE: + i++; + break; + + case SL_PP_UINT: + *version = atoi(sl_pp_context_cstr(context, input[i].data._uint)); + i++; + found_number = 1; + break; + + default: + strcpy(context->error_msg, "expected version number after `#version'"); + return -1; + } + } + + /* Skip whitespace and seek for either newline or eof. */ + while (!found_end) { + switch (input[i].token) { + case SL_PP_WHITESPACE: + i++; + break; + + case SL_PP_NEWLINE: + line++; + /* pass thru */ + case SL_PP_EOF: + i++; + *tokens_eaten = i; + context->line = line; + found_end = 1; + break; + + default: + strcpy(context->error_msg, "expected end of line after version number"); + return -1; + } + } + } + + /* Should not get here. */ +} |