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authorLuca Barbieri <luca@luca-barbieri.com>2010-01-21 05:36:14 +0100
committerLuca Barbieri <luca@luca-barbieri.com>2010-01-29 14:13:14 +0100
commit73317139a4f78126af0dc4ddaef8206352740727 (patch)
tree0775bf5e5e8228b5ae276d4b3ff61afe7b39df0a /src/gallium/drivers/nv40
parent3cea5525d0b59c7dadb4be634cc244948cd634e6 (diff)
tgsi: add properties for fragment coord conventions (v3)
Changes in v3: - Documented the new properties - Added comments for property values - Rebased to current master Changes in v2: - Caps are added in a separate, subsequent patch This adds two TGSI fragment program properties that indicate the fragment coord conventions. The properties behave as described in the extension spec for GL_ARB_fragment_coord_conventions, but the default origin in upper left instead of lower left as in OpenGL. The syntax is: PROPERTY FS_COORD_ORIGIN [UPPER_LEFT|LOWER_LEFT] PROPERTY FS_COORD_PIXEL_CENTER [HALF_INTEGER|INTEGER] The names have been chosen for consistency with the GS properties and the OpenGL extension spec. The defaults are of course the previously assumed conventions: UPPER_LEFT and HALF_INTEGER.
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