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mesa: use _mesa_rebase_rgba_float/uint() in glReadPixels code

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See the comments for _mesa_rebase_rgba_float() for details.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=46679

NOTE: This is a candidate for the 8.0 branch.

Reviewed-by: José Fonseca <jfonseca@vmware.com>
(cherry picked from commit ad897fff77)
This commit is contained in:
Brian Paul 2012-02-29 20:55:50 -07:00
parent 8836517250
commit 83728cf4ce
1 changed files with 4 additions and 0 deletions
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4
src/mesa/main/readpix.c
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@ -284,10 +284,14 @@ slow_read_rgba_pixels( struct gl_context *ctx,
for (j = 0; j < height; j++) {
if (_mesa_is_integer_format(format)) {
_mesa_unpack_uint_rgba_row(rbFormat, width, map, (GLuint (*)[4]) rgba);
_mesa_rebase_rgba_uint(width, (GLuint (*)[4]) rgba,
rb->_BaseFormat);
_mesa_pack_rgba_span_int(ctx, width, (GLuint (*)[4]) rgba, format,
type, dst);
} else {
_mesa_unpack_rgba_row(rbFormat, width, map, (GLfloat (*)[4]) rgba);
_mesa_rebase_rgba_float(width, (GLfloat (*)[4]) rgba,
rb->_BaseFormat);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
type, dst, packing, transferOps);
}