diff options
| author | Jordan Justen <[email protected]> | 2012-06-25 14:15:31 -0700 |
|---|---|---|
| committer | Jordan Justen <[email protected]> | 2012-08-14 17:07:42 -0700 |
| commit | 7208505d30fe05e828eb7d2450bfd8c2bee289a0 (patch) | |
| tree | 36c7bfdbc753ef53a6e79705ba32734bd485e11b /src | |
| parent | 7ef270867cb1f3e19067c93449e48987a32730d3 (diff) | |
mesa GetTexImage: handle signed/unsigned integer clamping
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/texgetimage.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c index a9aaf3edb3e..4cd87c6451e 100644 --- a/src/mesa/main/texgetimage.c +++ b/src/mesa/main/texgetimage.c @@ -306,7 +306,8 @@ get_tex_rgba_uncompressed(struct gl_context *ctx, GLuint dimensions, GLuint img, row; GLfloat (*rgba)[4]; GLuint (*rgba_uint)[4]; - GLboolean is_integer = _mesa_is_format_integer_color(texImage->TexFormat); + GLboolean tex_is_integer = _mesa_is_format_integer_color(texImage->TexFormat); + GLboolean tex_is_uint = _mesa_is_format_unsigned(texImage->TexFormat); /* Allocate buffer for one row of texels */ rgba = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat)); @@ -358,12 +359,19 @@ get_tex_rgba_uncompressed(struct gl_context *ctx, GLuint dimensions, width, height, format, type, img, row, 0); - if (is_integer) { + if (tex_is_integer) { _mesa_unpack_uint_rgba_row(texFormat, width, src, rgba_uint); if (rebaseFormat) _mesa_rebase_rgba_uint(width, rgba_uint, rebaseFormat); - _mesa_pack_rgba_span_from_uints(ctx, width, rgba_uint, - format, type, dest); + if (tex_is_uint) { + _mesa_pack_rgba_span_from_uints(ctx, width, + (GLuint (*)[4]) rgba_uint, + format, type, dest); + } else { + _mesa_pack_rgba_span_from_ints(ctx, width, + (GLint (*)[4]) rgba_uint, + format, type, dest); + } } else { _mesa_unpack_rgba_row(texFormat, width, src, rgba); if (rebaseFormat) |