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mesa: add GL_UNSIGNED_INT_24_8 to _mesa_pack_depth_span

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Patch adds missing type (used with NV_read_depth) so that it gets
handled correctly. This fixes errors seen with following CTS test:

   ES3-CTS.gtf.GL3Tests.packed_pixels.packed_pixels

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Cc: "11.0" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit d8d0e4a81e)
This commit is contained in:
Tapani Pälli 2015-10-08 09:43:41 +03:00 • committed by Emil Velikov
parent 3f802ebaf8
commit 41cc0965bb
1 changed files with 15 additions and 0 deletions
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15
src/mesa/main/pack.c
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@ -1074,6 +1074,21 @@ _mesa_pack_depth_span( struct gl_context *ctx, GLuint n, GLvoid *dest,
}
}
break;
case GL_UNSIGNED_INT_24_8:
{
const GLdouble scale = (GLdouble) 0xffffff;
GLuint *dst = (GLuint *) dest;
GLuint i;
for (i = 0; i < n; i++) {
GLuint z = (GLuint) (depthSpan[i] * scale);
assert(z <= 0xffffff);
dst[i] = (z << 8);
}
if (dstPacking->SwapBytes) {
_mesa_swap4( (GLuint *) dst, n );
}
break;
}
case GL_UNSIGNED_INT:
{
GLuint *dst = (GLuint *) dest;