r600g: add stencil op/func translation

diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 9af39f7..bbfe4da 100644 (file)
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -874,12 +874,42 @@ static struct radeon_state *r600_dsa(struct r600_context *rctx)
        struct r600_screen *rscreen = rctx->screen;
        struct radeon_state *rstate;
        unsigned db_depth_control, alpha_test_control, alpha_ref;
+       unsigned stencil_ref_mask, stencil_ref_mask_bf;
        
        rstate = radeon_state(rscreen->rw, R600_DSA_TYPE, R600_DSA);
        if (rstate == NULL)
                return NULL;
 
-       db_depth_control = 0x00700700 | S_028800_Z_ENABLE(state->depth.enabled) | S_028800_Z_WRITE_ENABLE(state->depth.writemask) | S_028800_ZFUNC(state->depth.func);
+       stencil_ref_mask = 0;
+       stencil_ref_mask_bf = 0;
+       db_depth_control = 0x00700700 |
+               S_028800_Z_ENABLE(state->depth.enabled) |
+               S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
+               S_028800_ZFUNC(state->depth.func);
+       /* set stencil enable */
+       db_depth_control |= S_028800_STENCIL_ENABLE(state->stencil[0].enabled);
+       
+       if (state->stencil[0].enabled) {
+
+               db_depth_control |= S_028800_STENCILFUNC(r600_translate_ds_func(state->stencil[0].func));
+               db_depth_control |= S_028800_STENCILFAIL(r600_translate_stencil_op(state->stencil[0].fail_op));
+               db_depth_control |= S_028800_STENCILZPASS(r600_translate_stencil_op(state->stencil[0].zpass_op));
+               db_depth_control |= S_028800_STENCILZFAIL(r600_translate_stencil_op(state->stencil[0].zfail_op));
+               
+               db_depth_control |= S_028800_BACKFACE_ENABLE(state->stencil[1].enabled);
+
+               stencil_ref_mask = (state->stencil[0].valuemask << R600_STENCILMASK_SHIFT) |
+                       (state->stencil[0].writemask << R600_STENCILWRITEMASK_SHIFT);
+               if (state->stencil[1].enabled) {
+                       db_depth_control |= S_028800_STENCILFUNC_BF(r600_translate_ds_func(state->stencil[1].func));
+                       db_depth_control |= S_028800_STENCILFAIL_BF(r600_translate_stencil_op(state->stencil[1].fail_op));
+                       db_depth_control |= S_028800_STENCILZPASS_BF(r600_translate_stencil_op(state->stencil[1].zpass_op));
+                       db_depth_control |= S_028800_STENCILZFAIL_BF(r600_translate_stencil_op(state->stencil[1].zfail_op));
+                       stencil_ref_mask_bf = (state->stencil[1].valuemask << R600_STENCILMASK_SHIFT) |
+                               (state->stencil[1].writemask << R600_STENCILWRITEMASK_SHIFT);
+               }
+       }
+
        alpha_test_control = 0;
        alpha_ref = 0;
        if (state->alpha.enabled) {
@@ -891,8 +921,8 @@ static struct radeon_state *r600_dsa(struct r600_context *rctx)
        rstate->states[R600_DSA__DB_STENCIL_CLEAR] = 0x00000000;
        rstate->states[R600_DSA__DB_DEPTH_CLEAR] = 0x3F800000;
        rstate->states[R600_DSA__SX_ALPHA_TEST_CONTROL] = alpha_test_control;
-       rstate->states[R600_DSA__DB_STENCILREFMASK] = 0xFFFFFF00;
-       rstate->states[R600_DSA__DB_STENCILREFMASK_BF] = 0xFFFFFF00;
+       rstate->states[R600_DSA__DB_STENCILREFMASK] = stencil_ref_mask;
+       rstate->states[R600_DSA__DB_STENCILREFMASK_BF] = stencil_ref_mask_bf;
        rstate->states[R600_DSA__SX_ALPHA_REF] = alpha_ref;
        rstate->states[R600_DSA__SPI_FOG_FUNC_SCALE] = 0x00000000;
        rstate->states[R600_DSA__SPI_FOG_FUNC_BIAS] = 0x00000000;

diff --git a/src/gallium/drivers/r600/r600_state_inlines.h b/src/gallium/drivers/r600/r600_state_inlines.h
index 42bab52..369263d 100644 (file)
--- a/src/gallium/drivers/r600/r600_state_inlines.h
+++ b/src/gallium/drivers/r600/r600_state_inlines.h
@@ -97,4 +97,37 @@ static INLINE uint32_t r600_translate_blend_factor(int blend_fact)
        return 0;
 }
 
+static INLINE uint32_t r600_translate_stencil_op(int s_op)
+{
+       switch (s_op) {
+       case PIPE_STENCIL_OP_KEEP:
+               return R600_ZS_KEEP;
+        case PIPE_STENCIL_OP_ZERO:
+               return R600_ZS_ZERO;
+        case PIPE_STENCIL_OP_REPLACE:
+               return R600_ZS_REPLACE;
+        case PIPE_STENCIL_OP_INCR:
+               return R600_ZS_INCR;
+        case PIPE_STENCIL_OP_DECR:
+               return R600_ZS_DECR;
+        case PIPE_STENCIL_OP_INCR_WRAP:
+               return R600_ZS_INCR_WRAP;
+        case PIPE_STENCIL_OP_DECR_WRAP:
+               return R600_ZS_DECR_WRAP;
+        case PIPE_STENCIL_OP_INVERT:
+               return R600_ZS_INVERT;
+        default:
+               fprintf(stderr, "r600: Unknown stencil op %d", s_op);
+               assert(0);
+               break;
+       }
+       return 0;
+}
+
+/* translates straight */
+static INLINE uint32_t r600_translate_ds_func(int func)
+{
+       return func;
+}
+
 #endif