diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 7b395e93a31..53b8f2cef74 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -5345,6 +5345,7 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
     /* WINED3DSIH_SQRT                             */ NULL,
     /* WINED3DSIH_STORE_UAV_TYPED                  */ NULL,
     /* WINED3DSIH_SUB                              */ shader_hw_map2gl,
+    /* WINED3DSIH_SWITCH                           */ NULL,
     /* WINED3DSIH_TEX                              */ pshader_hw_tex,
     /* WINED3DSIH_TEXBEM                           */ pshader_hw_texbem,
     /* WINED3DSIH_TEXBEML                          */ pshader_hw_texbem,
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 517435de7dd..69ff2bcca12 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -4228,6 +4228,14 @@ static void shader_glsl_rep(const struct wined3d_shader_instruction *ins)
     ++loop_state->current_depth;
 }
 
+static void shader_glsl_switch(const struct wined3d_shader_instruction *ins)
+{
+    struct glsl_src_param src0_param;
+
+    shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_0, &src0_param);
+    shader_addline(ins->ctx->buffer, "switch (%s)\n{\n", src0_param.param_str);
+}
+
 static void shader_glsl_if(const struct wined3d_shader_instruction *ins)
 {
     const char *condition = (ins->flags == WINED3D_SHADER_CONDITIONAL_OP_NZ) ? "bool" : "!bool";
@@ -8658,6 +8666,7 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
     /* WINED3DSIH_SQRT                             */ shader_glsl_map2gl,
     /* WINED3DSIH_STORE_UAV_TYPED                  */ NULL,
     /* WINED3DSIH_SUB                              */ shader_glsl_binop,
+    /* WINED3DSIH_SWITCH                           */ shader_glsl_switch,
     /* WINED3DSIH_TEX                              */ shader_glsl_tex,
     /* WINED3DSIH_TEXBEM                           */ shader_glsl_texbem,
     /* WINED3DSIH_TEXBEML                          */ shader_glsl_texbem,
diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index 8c41afb5b80..be124323e93 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -177,6 +177,7 @@ static const char * const shader_opcode_names[] =
     /* WINED3DSIH_SQRT                             */ "sqrt",
     /* WINED3DSIH_STORE_UAV_TYPED                  */ "store_uav_typed",
     /* WINED3DSIH_SUB                              */ "sub",
+    /* WINED3DSIH_SWITCH                           */ "switch",
     /* WINED3DSIH_TEX                              */ "texld",
     /* WINED3DSIH_TEXBEM                           */ "texbem",
     /* WINED3DSIH_TEXBEML                          */ "texbeml",
diff --git a/dlls/wined3d/shader_sm4.c b/dlls/wined3d/shader_sm4.c
index 62b5d656651..ab39bf888d2 100644
--- a/dlls/wined3d/shader_sm4.c
+++ b/dlls/wined3d/shader_sm4.c
@@ -172,6 +172,7 @@ enum wined3d_sm4_opcode
     WINED3D_SM4_OP_SAMPLE_GRAD                      = 0x49,
     WINED3D_SM4_OP_SAMPLE_B                         = 0x4a,
     WINED3D_SM4_OP_SQRT                             = 0x4b,
+    WINED3D_SM4_OP_SWITCH                           = 0x4c,
     WINED3D_SM4_OP_SINCOS                           = 0x4d,
     WINED3D_SM4_OP_UDIV                             = 0x4e,
     WINED3D_SM4_OP_ULT                              = 0x4f,
@@ -685,6 +686,7 @@ static const struct wined3d_sm4_opcode_info opcode_table[] =
     {WINED3D_SM4_OP_SAMPLE_GRAD,                      WINED3DSIH_SAMPLE_GRAD,                      "u",    "fRSff"},
     {WINED3D_SM4_OP_SAMPLE_B,                         WINED3DSIH_SAMPLE_B,                         "u",    "fRSf"},
     {WINED3D_SM4_OP_SQRT,                             WINED3DSIH_SQRT,                             "f",    "f"},
+    {WINED3D_SM4_OP_SWITCH,                           WINED3DSIH_SWITCH,                           "",     "u"},
     {WINED3D_SM4_OP_SINCOS,                           WINED3DSIH_SINCOS,                           "ff",   "f"},
     {WINED3D_SM4_OP_UDIV,                             WINED3DSIH_UDIV,                             "uu",   "uu"},
     {WINED3D_SM4_OP_ULT,                              WINED3DSIH_ULT,                              "u",    "uu"},
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 473a4b8ea9c..255dbd5d544 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -684,6 +684,7 @@ enum WINED3D_SHADER_INSTRUCTION_HANDLER
     WINED3DSIH_SQRT,
     WINED3DSIH_STORE_UAV_TYPED,
     WINED3DSIH_SUB,
+    WINED3DSIH_SWITCH,
     WINED3DSIH_TEX,
     WINED3DSIH_TEXBEM,
     WINED3DSIH_TEXBEML,