diff --git a/drm/clear.fs.asm b/drm/clear.fs.asm
new file mode 100644
index 0000000..f5d1003
--- /dev/null
+++ b/drm/clear.fs.asm
@@ -0,0 +1,4 @@
+OUT TEX_SEM_WAIT
+:
+  out[0].a = MAX src0.1 src0.1 ,
+  out[0].rgb = MAX src0.000 src0.000 ;
diff --git a/drm/clear.fs.inc b/drm/clear.fs.inc
new file mode 100644
index 0000000..640b4fb
--- /dev/null
+++ b/drm/clear.fs.inc
@@ -0,0 +1,7 @@
+0x00078005,
+0x08020080,
+0x08020080,
+0x00920490,
+0x00c18003,
+0x00000005,
+
diff --git a/drm/texture_cube.fs.asm b/drm/texture_cube.fs.asm
new file mode 100644
index 0000000..f7755d5
--- /dev/null
+++ b/drm/texture_cube.fs.asm
@@ -0,0 +1,7 @@
+TEX TEX_SEM_WAIT TEX_SEM_ACQUIRE
+  temp[0].argb = LD tex[0].rgba temp[0].rgaa ;
+
+OUT TEX_SEM_WAIT
+src0.a = temp[0], src0.rgb = temp[0] :
+  out[0].a    = MAX src0.a src0.a ,
+  out[0].rgb  = MAX src0.rgb src0.rgb ;
diff --git a/drm/texture_cube.fs.inc b/drm/texture_cube.fs.inc
new file mode 100644
index 0000000..cb668c6
--- /dev/null
+++ b/drm/texture_cube.fs.inc
@@ -0,0 +1,14 @@
+0x00007807,
+0x02400000,
+0xe400f400,
+0x00000000,
+0x00000000,
+0x00000000,
+
+0x00078005,
+0x08020000,
+0x08020000,
+0x00440220,
+0x0060c003,
+0x00000005,
+
diff --git a/drm/texture_cube_clear_zwrite_vertex_shader.c b/drm/texture_cube_clear_zwrite_vertex_shader.c
index 338d550..93f5142 100644
--- a/drm/texture_cube_clear_zwrite_vertex_shader.c
+++ b/drm/texture_cube_clear_zwrite_vertex_shader.c
@@ -121,43 +121,13 @@ const face faces[] = {
 static const int faces_length = (sizeof (faces)) / (sizeof (faces[0]));
 
 static const uint32_t fragment_shader[] = {
-#include "../shader_examples/mesa/texture_cube.fs.txt"
-  // clear shader
-  US_CMN_INST__TYPE__US_INST_TYPE_OUT
-  | US_CMN_INST__TEX_SEM_WAIT(1)
-  | US_CMN_INST__RGB_OMASK__RGB
-  | US_CMN_INST__ALPHA_OMASK__A
-
-  , US_ALU_RGB_ADDR__ADDR0(128)
-  | US_ALU_RGB_ADDR__ADDR1(128)
-  | US_ALU_RGB_ADDR__ADDR2(128)
-
-  , US_ALU_ALPHA_ADDR__ADDR0(128)
-  | US_ALU_ALPHA_ADDR__ADDR1(128)
-  | US_ALU_ALPHA_ADDR__ADDR2(128)
-
-  , US_ALU_RGB_INST__RED_SWIZ_A__ZERO
-  | US_ALU_RGB_INST__GREEN_SWIZ_A__ZERO
-  | US_ALU_RGB_INST__BLUE_SWIZ_A__ZERO
-  | US_ALU_RGB_INST__RED_SWIZ_B__ZERO
-  | US_ALU_RGB_INST__GREEN_SWIZ_B__ZERO
-  | US_ALU_RGB_INST__BLUE_SWIZ_B__ZERO
-  | US_ALU_RGB_INST__OMOD(7)
-  | US_ALU_RGB_INST__TARGET__A
-
-  , US_ALU_ALPHA_INST__ALPHA_OP__OP_MAX
-  | US_ALU_ALPHA_INST__ALPHA_SWIZ_A__ONE
-  | US_ALU_ALPHA_INST__ALPHA_SWIZ_B__ONE
-  | US_ALU_ALPHA_INST__OMOD(7)
-  | US_ALU_ALPHA_INST__TARGET__A
-
-  , US_ALU_RGBA_INST__RGB_OP__OP_MAX
+#include "texture_cube.fs.inc"
+#include "clear.fs.inc"
 };
 static const int fragment_shader_length = (sizeof (fragment_shader)) / (sizeof (fragment_shader[0]));
 static const int fragment_shader_instructions = (fragment_shader_length / 6) - 1;
 
 static const uint32_t vertex_shader[] = {
-  //#include "../shader_examples/mesa/texture_cube.vs.txt"
   #include "cube_rotate.vs.inc"
   #include "clear_nop.vs.inc"
 };