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mesa: update comments for _mesa_format_matches_format_and_type(), 80-column wrapping

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Brian Paul
2011-11-28 18:09:14 -07:00
parent 0cbdead62e
commit 4ff212aac3
1 changed files with 9 additions and 10 deletions
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src/mesa/main/formats.c
+9 -10
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@@ -2480,11 +2480,12 @@ _mesa_format_to_type_and_comps(gl_format format,
}
/**
* Returns a MESA_FORMAT describing pixels with the given format/type if
* available, or MESA_FORMAT_NONE.
* Check if a gl_format exactly matches a GL formaat/type combination
* such that we can use memcpy() from one to the other.
*
* If a format is returned, it should be suitable to memcpy
* _mesa_get_format_bytes() at a time to move the pixel data.
* Note: this matching assumes that GL_PACK/UNPACK_SWAP_BYTES is unset.
*
* \return GL_TRUE if the formats match, GL_FALSE otherwise.
*/
GLboolean
_mesa_format_matches_format_and_type(gl_format gl_format,
@@ -2494,13 +2495,11 @@ _mesa_format_matches_format_and_type(gl_format gl_format,
/* Note: When reading a GL format/type combination, the format lists channel
* assignments from most significant channel in the type to least
* significant. A type with _REV indicates that the assignments are swapped,
* so they are listed from least significant to most significant.
* significant. A type with _REV indicates that the assignments are
* swapped, so they are listed from least significant to most significant.
*
* For sanity, please keep this switch statement ordered the same as the enum
* in formats.h.
*
* This matching assumes that GL_PACK/UNPACK_SWAP_BYTES is unset.
* For sanity, please keep this switch statement ordered the same as the
* enums in formats.h.
*/
switch (gl_format) {