radeonsi/gfx10: implement get_tess_ring_descriptor

Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index eb790a0fa51e4accb1a897fe0de76220cc28f65d..7f4fc22f175d05b84e0badf1d798ae91bb9c1f17 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1074,18 +1074,25 @@ static LLVMValueRef get_tess_ring_descriptor(struct si_shader_context *ctx,
                                    LLVMConstInt(ctx->i32, tf_offset, 0), "");
        }
 
+       uint32_t rsrc3 = S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X) |
+                        S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y) |
+                        S_008F0C_DST_SEL_Z(V_008F0C_SQ_SEL_Z) |
+                        S_008F0C_DST_SEL_W(V_008F0C_SQ_SEL_W);
+
+       if (ctx->screen->info.chip_class >= GFX10)
+               rsrc3 |= S_008F0C_FORMAT(V_008F0C_IMG_FORMAT_32_FLOAT) |
+                        S_008F0C_OOB_SELECT(3) |
+                        S_008F0C_RESOURCE_LEVEL(1);
+       else
+               rsrc3 |= S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT) |
+                        S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32);
+
        LLVMValueRef desc[4];
        desc[0] = addr;
        desc[1] = LLVMConstInt(ctx->i32,
                               S_008F04_BASE_ADDRESS_HI(ctx->screen->info.address32_hi), 0);
        desc[2] = LLVMConstInt(ctx->i32, 0xffffffff, 0);
-       desc[3] = LLVMConstInt(ctx->i32,
-                              S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X) |
-                              S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y) |
-                              S_008F0C_DST_SEL_Z(V_008F0C_SQ_SEL_Z) |
-                              S_008F0C_DST_SEL_W(V_008F0C_SQ_SEL_W) |
-                              S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT) |
-                              S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32), 0);
+       desc[3] = LLVMConstInt(ctx->i32, rsrc3, false);
 
        return ac_build_gather_values(&ctx->ac, desc, 4);
 }