radeonsi/gfx9: fix TXF_LZ with 1D textures

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
index e72052c..3b50ca5 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
@@ -1493,7 +1493,8 @@ static void tex_fetch_args(
                LLVMValueRef filler;
 
                /* Use 0.5, so that we don't sample the border color. */
-               if (opcode == TGSI_OPCODE_TXF)
+               if (opcode == TGSI_OPCODE_TXF ||
+                   opcode == TGSI_OPCODE_TXF_LZ)
                        filler = ctx->i32_0;
                else
                        filler = LLVMConstReal(ctx->f32, 0.5);