hw->depth.test_enable = cso->depth.enabled ? 1 : 0;
hw->stencil.enable = cso->stencil[0].enabled ? 1 : 0;
hw->depth.test_enable = cso->depth.enabled ? 1 : 0;
hw->stencil.enable = cso->stencil[0].enabled ? 1 : 0;
hw->stencil.func = nvgl_comparison_op(cso->stencil[0].func);
hw->stencil.ref = cso->stencil[0].ref_value;
hw->stencil.func = nvgl_comparison_op(cso->stencil[0].func);
hw->stencil.ref = cso->stencil[0].ref_value;
hw->stencil.fail = nvgl_stencil_op(cso->stencil[0].fail_op);
hw->stencil.zfail = nvgl_stencil_op(cso->stencil[0].zfail_op);
hw->stencil.zpass = nvgl_stencil_op(cso->stencil[0].zpass_op);
hw->alpha.enabled = cso->alpha.enabled ? 1 : 0;
hw->alpha.func = nvgl_comparison_op(cso->alpha.func);
hw->stencil.fail = nvgl_stencil_op(cso->stencil[0].fail_op);
hw->stencil.zfail = nvgl_stencil_op(cso->stencil[0].zfail_op);
hw->stencil.zpass = nvgl_stencil_op(cso->stencil[0].zpass_op);
hw->alpha.enabled = cso->alpha.enabled ? 1 : 0;
hw->alpha.func = nvgl_comparison_op(cso->alpha.func);
- if (buf->size && (mapped = ws->buffer_map(ws, buf->buffer, PIPE_BUFFER_USAGE_CPU_READ)))
+ if (buf->buffer && buf->buffer->size &&
+ (mapped = ws->buffer_map(ws, buf->buffer, PIPE_BUFFER_USAGE_CPU_READ)))