nv50: shadow mapping

diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index 381b3e2..8e084e6 100644 (file)
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -106,7 +106,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, int param)
        case PIPE_CAP_OCCLUSION_QUERY:
                return 1;
        case PIPE_CAP_TEXTURE_SHADOW_MAP:
-               return 0;
+               return 1;
        case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
                return 13;
        case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:

diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c
index cabe54b..38c1d93 100644 (file)
--- a/src/gallium/drivers/nv50/nv50_state.c
+++ b/src/gallium/drivers/nv50/nv50_state.c
@@ -196,6 +196,11 @@ nv50_sampler_state_create(struct pipe_context *pipe,
        if (cso->max_anisotropy >= 2.0)
                tsc[0] |= (1 << 20);
 
+       if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
+               tsc[0] |= (1 << 8);
+               tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7);
+       }
+
        return (void *)tsc;
 }