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Diffstat (limited to 'src/mesa/state_tracker/st_format.h')
-rw-r--r-- | src/mesa/state_tracker/st_format.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_format.h b/src/mesa/state_tracker/st_format.h new file mode 100644 index 0000000000..3f5ac3201b --- /dev/null +++ b/src/mesa/state_tracker/st_format.h @@ -0,0 +1,79 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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. + * + **************************************************************************/ + + +#ifndef ST_FORMAT_H +#define ST_FORMAT_H + + +struct pipe_format_info +{ + enum pipe_format format; + GLenum base_format; + GLenum datatype; + GLubyte red_bits; + GLubyte green_bits; + GLubyte blue_bits; + GLubyte alpha_bits; + GLubyte luminance_bits; + GLubyte intensity_bits; + GLubyte depth_bits; + GLubyte stencil_bits; + GLubyte size; /**< in bytes */ +}; + + +GLboolean +st_get_format_info(enum pipe_format format, struct pipe_format_info *pinfo); + + +extern GLuint +st_sizeof_format(enum pipe_format format); + + +extern GLenum +st_format_datatype(enum pipe_format format); + + +extern enum pipe_format +st_mesa_format_to_pipe_format(GLuint mesaFormat); + + +extern enum pipe_format +st_choose_format(struct pipe_context *pipe, GLint internalFormat, + enum pipe_texture_target target, unsigned tex_usage); + +extern enum pipe_format +st_choose_renderbuffer_format(struct pipe_context *pipe, GLint internalFormat); + + +extern const struct gl_texture_format * +st_ChooseTextureFormat(GLcontext * ctx, GLint internalFormat, + GLenum format, GLenum type); + + +#endif /* ST_CB_TEXIMAGE_H */ |