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-rw-r--r--src/mesa/state_tracker/st_gen_mipmap.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index a0b4b973aa6..c9765b20036 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -111,14 +111,22 @@ st_init_generate_mipmap(struct st_context *st)
struct pipe_rasterizer_state rasterizer;
struct pipe_depth_stencil_alpha_state depthstencil;
+ /* we don't use blending, but need to set valid values */
memset(&blend, 0, sizeof(blend));
+ blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.colormask = PIPE_MASK_RGBA;
st->gen_mipmap.blend_cso = pipe->create_blend_state(pipe, &blend);
memset(&depthstencil, 0, sizeof(depthstencil));
st->gen_mipmap.depthstencil_cso = pipe->create_depth_stencil_alpha_state(pipe, &depthstencil);
+ /* Note: we're assuming zero is valid for all non-specified fields */
memset(&rasterizer, 0, sizeof(rasterizer));
+ rasterizer.front_winding = PIPE_WINDING_CW;
+ rasterizer.cull_mode = PIPE_WINDING_NONE;
st->gen_mipmap.rasterizer_cso = pipe->create_rasterizer_state(pipe, &rasterizer);
st->gen_mipmap.stfp = make_tex_fragment_program(st->ctx);