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i965/blorp: Only set src_z for gen8+ 3D textures

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Otherwise, we end up with a bogus value in the third component.  On gen6-7
where we always use 2D textures, this can cause problems if the
SurfaceArray bit is set in the SURFACE_STATE.

Acked-by: Chad Versace <chad.versace@intel.com>
This commit is contained in:
Jason Ekstrand 2016-06-10 14:44:32 -07:00
parent 664dc89a1b
commit 320de71858
1 changed files with 9 additions and 2 deletions
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11
src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
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@ -1846,8 +1846,15 @@ brw_blorp_blit_miptrees(struct brw_context *brw,
brw_blorp_setup_coord_transform(&params.wm_push_consts.y_transform,
src_y0, src_y1, dst_y0, dst_y1, mirror_y);
params.wm_push_consts.src_z =
params.src.mt->target == GL_TEXTURE_3D ? params.src.layer : 0;
if (brw->gen >= 8 && params.src.mt->target == GL_TEXTURE_3D) {
/* On gen8+ we use actual 3-D textures so we need to pass the layer
* through to the sampler.
*/
params.wm_push_consts.src_z = params.src.layer;
} else {
/* On gen7 and earlier, we fake everything with 2-D textures */
params.wm_push_consts.src_z = 0;
}
if (params.dst.num_samples <= 1 && dst_mt->num_samples > 1) {
/* We must expand the rectangle we send through the rendering pipeline,