diff --git a/src/gl/shaders/default.vert b/src/gl/shaders/default.vert
index 77a07e9..fa14fad 100644
--- a/src/gl/shaders/default.vert
+++ b/src/gl/shaders/default.vert
@@ -1,20 +1,20 @@
 void main(
 	float3 in_pos,
 	float3 in_normal,
-	float4 in_color,
-	float2 in_tex0,
+	fixed4 in_color,
+	half2 in_tex0,
 	uniform float4x4 u_wvp,
 	uniform float4x4 u_world,
-	uniform float4 u_ambLight,
-	uniform float4 u_surfProps,
-	uniform float4 u_fogData,
-	uniform float4 u_matColor,
-	uniform float4 u_lightParams[MAX_LIGHTS],
-	uniform float4 u_lightDirection[MAX_LIGHTS],
-	uniform float4 u_lightColor[MAX_LIGHTS],
-	float4 out v_color : COLOR0,
-	float2 out v_tex0 : TEXCOORD0,
-	float out v_fog : FOG,
+	uniform half4 u_ambLight,
+	uniform half4 u_surfProps,
+	uniform half4 u_fogData,
+	uniform half4 u_matColor,
+	uniform half4 u_lightParams[MAX_LIGHTS],
+	uniform half4 u_lightDirection[MAX_LIGHTS],
+	uniform half4 u_lightColor[MAX_LIGHTS],
+	half4 out v_color : COLOR0,
+	half2 out v_tex0 : TEXCOORD0,
+	fixed out v_fog : FOG,
 	float4 out gl_Position : POSITION
 ) {
 	gl_Position = mul(float4(in_pos, 1.0), u_wvp);
@@ -25,13 +25,13 @@ void main(
 	v_color = in_color;
 	v_color.rgb += u_ambLight.rgb*surfAmbient;
 	
-	float3 color = float3(0.0, 0.0, 0.0);
+	half3 color = half3(0.0, 0.0, 0.0);
 	for(int i = 0; i < MAX_LIGHTS; i++){
 		if(u_lightParams[i].x == 0.0)
 			break;
 		if(u_lightParams[i].x == 1.0){
 			// direct
-			float l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));
+			fixed l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));
 			color += l*u_lightColor[i].rgb;
 		}
 	}
diff --git a/src/gl/shaders/default_vs_gl3.inc b/src/gl/shaders/default_vs_gl3.inc
index 1818ec2..cff9a80 100644
--- a/src/gl/shaders/default_vs_gl3.inc
+++ b/src/gl/shaders/default_vs_gl3.inc
@@ -2,20 +2,20 @@ const char *default_vert_src =
 "void main(\n"
 "	float3 in_pos,\n"
 "	float3 in_normal,\n"
-"	float4 in_color,\n"
-"	float2 in_tex0,\n"
+"	fixed4 in_color,\n"
+"	half2 in_tex0,\n"
 "	uniform float4x4 u_wvp,\n"
 "	uniform float4x4 u_world,\n"
-"	uniform float4 u_ambLight,\n"
-"	uniform float4 u_surfProps,\n"
-"	uniform float4 u_fogData,\n"
-"	uniform float4 u_matColor,\n"
-"	uniform float4 u_lightParams[MAX_LIGHTS],\n"
-"	uniform float4 u_lightDirection[MAX_LIGHTS],\n"
-"	uniform float4 u_lightColor[MAX_LIGHTS],\n"
-"	float4 out v_color : COLOR0,\n"
-"	float2 out v_tex0 : TEXCOORD0,\n"
-"	float out v_fog : FOG,\n"
+"	uniform half4 u_ambLight,\n"
+"	uniform half4 u_surfProps,\n"
+"	uniform half4 u_fogData,\n"
+"	uniform half4 u_matColor,\n"
+"	uniform half4 u_lightParams[MAX_LIGHTS],\n"
+"	uniform half4 u_lightDirection[MAX_LIGHTS],\n"
+"	uniform half4 u_lightColor[MAX_LIGHTS],\n"
+"	half4 out v_color : COLOR0,\n"
+"	half2 out v_tex0 : TEXCOORD0,\n"
+"	fixed out v_fog : FOG,\n"
 "	float4 out gl_Position : POSITION\n"
 ") {\n"
 "	gl_Position = mul(float4(in_pos, 1.0), u_wvp);\n"
@@ -26,13 +26,13 @@ const char *default_vert_src =
 "	v_color = in_color;\n"
 "	v_color.rgb += u_ambLight.rgb*surfAmbient;\n"
 "	\n"
-"	float3 color = float3(0.0, 0.0, 0.0);\n"
+"	half3 color = half3(0.0, 0.0, 0.0);\n"
 "	for(int i = 0; i < MAX_LIGHTS; i++){\n"
 "		if(u_lightParams[i].x == 0.0)\n"
 "			break;\n"
 "		if(u_lightParams[i].x == 1.0){\n"
 "			// direct\n"
-"			float l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));\n"
+"			fixed l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));\n"
 "			color += l*u_lightColor[i].rgb;\n"
 "		}\n"
 "	}\n"
diff --git a/src/gl/shaders/header.frag b/src/gl/shaders/header.frag
index 08b6d29..5bc249b 100644
--- a/src/gl/shaders/header.frag
+++ b/src/gl/shaders/header.frag
@@ -3,7 +3,7 @@
 #define u_fogRange (u_fogData.z)
 #define u_fogDisable (u_fogData.w)
 
-void DoAlphaTest(float a, float2 u_alphaRef)
+void DoAlphaTest(float a, half2 u_alphaRef)
 {
 	if(a < u_alphaRef.x || a >= u_alphaRef.y)
 		discard;
diff --git a/src/gl/shaders/header.vert b/src/gl/shaders/header.vert
index e4b904b..9b86596 100644
--- a/src/gl/shaders/header.vert
+++ b/src/gl/shaders/header.vert
@@ -9,7 +9,7 @@
 #define surfSpecular (u_surfProps.y)
 #define surfDiffuse (u_surfProps.z)
 
-float DoFog(float w, float4 u_fogData)
+fixed DoFog(float w, half4 u_fogData)
 {
 	return clamp((w - u_fogEnd)*u_fogRange, u_fogDisable, 1.0);
 }
diff --git a/src/gl/shaders/header_fs.inc b/src/gl/shaders/header_fs.inc
index f2fb439..3f52a3d 100644
--- a/src/gl/shaders/header_fs.inc
+++ b/src/gl/shaders/header_fs.inc
@@ -4,7 +4,7 @@ const char *header_frag_src =
 "#define u_fogRange (u_fogData.z)\n"
 "#define u_fogDisable (u_fogData.w)\n"
 
-"void DoAlphaTest(float a, float2 u_alphaRef)\n"
+"void DoAlphaTest(float a, half2 u_alphaRef)\n"
 "{\n"
 "	if(a < u_alphaRef.x || a >= u_alphaRef.y)\n"
 "		discard;\n"
diff --git a/src/gl/shaders/header_vs.inc b/src/gl/shaders/header_vs.inc
index d3bb9e0..381dd5b 100644
--- a/src/gl/shaders/header_vs.inc
+++ b/src/gl/shaders/header_vs.inc
@@ -10,7 +10,7 @@ const char *header_vert_src =
 "#define surfSpecular (u_surfProps.y)\n"
 "#define surfDiffuse (u_surfProps.z)\n"
 
-"float DoFog(float w, float4 u_fogData)\n"
+"fixed DoFog(float w, half4 u_fogData)\n"
 "{\n"
 "	return clamp((w - u_fogEnd)*u_fogRange, u_fogDisable, 1.0);\n"
 "}\n"
diff --git a/src/gl/shaders/im2d.vert b/src/gl/shaders/im2d.vert
index 120c7f9..6cb139f 100644
--- a/src/gl/shaders/im2d.vert
+++ b/src/gl/shaders/im2d.vert
@@ -1,12 +1,12 @@
 void main(
 	float4 in_pos,
-	float4 in_color,
-	float2 in_tex0,
-	uniform float4 u_fogData,
+	half4 in_color,
+	half2 in_tex0,
+	uniform half4 u_fogData,
 	uniform float4 u_xform,
-	float4 out v_color : COLOR0,
-	float2 out v_tex0 : TEXCOORD0,
-	float out v_fog : FOG,
+	half4 out v_color : COLOR0,
+	half2 out v_tex0 : TEXCOORD0,
+	fixed out v_fog : FOG,
 	float4 out gl_Position : POSITION
 ) {
 	gl_Position = in_pos;
diff --git a/src/gl/shaders/im2d_gl3.inc b/src/gl/shaders/im2d_gl3.inc
index 9a4ebc9..6180068 100644
--- a/src/gl/shaders/im2d_gl3.inc
+++ b/src/gl/shaders/im2d_gl3.inc
@@ -1,13 +1,13 @@
 const char *im2d_vert_src =
 "void main(\n"
 "	float4 in_pos,\n"
-"	float4 in_color,\n"
-"	float2 in_tex0,\n"
-"	uniform float4 u_fogData,\n"
+"	half4 in_color,\n"
+"	half2 in_tex0,\n"
+"	uniform half4 u_fogData,\n"
 "	uniform float4 u_xform,\n"
-"	float4 out v_color : COLOR0,\n"
-"	float2 out v_tex0 : TEXCOORD0,\n"
-"	float out v_fog : FOG,\n"
+"	half4 out v_color : COLOR0,\n"
+"	half2 out v_tex0 : TEXCOORD0,\n"
+"	fixed out v_fog : FOG,\n"
 "	float4 out gl_Position : POSITION\n"
 ") {\n"
 "	gl_Position = in_pos;\n"
diff --git a/src/gl/shaders/im3d.vert b/src/gl/shaders/im3d.vert
index ecd833e..cfc1411 100644
--- a/src/gl/shaders/im3d.vert
+++ b/src/gl/shaders/im3d.vert
@@ -1,13 +1,13 @@
 void main(
 	float3 in_pos,
-	float4 in_color,
-	float2 in_tex0,
-	uniform float4 u_fogData,
+	half4 in_color,
+	half2 in_tex0,
+	uniform half4 u_fogData,
 	uniform float4x4 u_wvp,
 	uniform float4x4 u_world,
-	float4 out v_color : COLOR0,
-	float2 out v_tex0 : TEXCOORD0,
-	float out v_fog : FOG,
+	half4 out v_color : COLOR0,
+	half2 out v_tex0 : TEXCOORD0,
+	fixed out v_fog : FOG,
 	float4 out gl_Position : POSITION
 ) {
 	gl_Position = mul(float4(in_pos, 1.0), u_wvp);
diff --git a/src/gl/shaders/im3d_gl3.inc b/src/gl/shaders/im3d_gl3.inc
index ca07767..6be9c10 100644
--- a/src/gl/shaders/im3d_gl3.inc
+++ b/src/gl/shaders/im3d_gl3.inc
@@ -1,14 +1,14 @@
 const char *im3d_vert_src =
 "void main(\n"
 "	float3 in_pos,\n"
-"	float4 in_color,\n"
-"	float2 in_tex0,\n"
-"	uniform float4 u_fogData,\n"
+"	half4 in_color,\n"
+"	half2 in_tex0,\n"
+"	uniform half4 u_fogData,\n"
 "	uniform float4x4 u_wvp,\n"
 "	uniform float4x4 u_world,\n"
-"	float4 out v_color : COLOR0,\n"
-"	float2 out v_tex0 : TEXCOORD0,\n"
-"	float out v_fog : FOG,\n"
+"	half4 out v_color : COLOR0,\n"
+"	half2 out v_tex0 : TEXCOORD0,\n"
+"	fixed out v_fog : FOG,\n"
 "	float4 out gl_Position : POSITION\n"
 ") {\n"
 "	gl_Position = mul(float4(in_pos, 1.0), u_wvp);\n"
diff --git a/src/gl/shaders/matfx_env.frag b/src/gl/shaders/matfx_env.frag
index 94f52f1..7825fef 100644
--- a/src/gl/shaders/matfx_env.frag
+++ b/src/gl/shaders/matfx_env.frag
@@ -2,27 +2,27 @@
 #define disableFBA (u_fxparams.y)
 
 float4 main(
-	float4 v_color : COLOR0,
-	float2 v_tex0 : TEXCOORD0,
-	float2 v_tex1 : TEXCOORD1,
-	float v_fog : FOG,
-	uniform float4 u_fogColor,
-	uniform float2 u_alphaRef,
-	uniform float4 u_colorClamp,
-	uniform float2 u_fxparams,
+	half4 v_color : COLOR0,
+	half2 v_tex0 : TEXCOORD0,
+	half2 v_tex1 : TEXCOORD1,
+	fixed v_fog : FOG,
+	uniform half4 u_fogColor,
+	uniform half2 u_alphaRef,
+	uniform half4 u_colorClamp,
+	uniform half2 u_fxparams,
 	uniform sampler2D tex0 : TEXUNIT0,
 	uniform sampler2D tex1 : TEXUNIT1
 ) {
-	float4 pass1 = v_color;
-	float4 envColor = max(pass1, u_colorClamp);
-	pass1 *= tex2D(tex0, float2(v_tex0.x, 1.0-v_tex0.y));
+	half4 pass1 = v_color;
+	half4 envColor = max(pass1, u_colorClamp);
+	pass1 *= tex2D(tex0, half2(v_tex0.x, 1.0-v_tex0.y));
 
-	float4 pass2 = envColor*shininess*tex2D(tex1, float2(v_tex1.x, 1.0-v_tex1.y));
+	half4 pass2 = envColor*shininess*tex2D(tex1, half2(v_tex1.x, 1.0-v_tex1.y));
 
 	pass1.rgb = lerp(u_fogColor.rgb, pass1.rgb, v_fog);
-	pass2.rgb = lerp(float3(0.0, 0.0, 0.0), pass2.rgb, v_fog);
+	pass2.rgb = lerp(half3(0.0, 0.0, 0.0), pass2.rgb, v_fog);
 	
-	float fba = max(pass1.a, disableFBA);
+	half fba = max(pass1.a, disableFBA);
 	float4 color;
 	color.rgb = pass1.rgb*pass1.a + pass2.rgb*fba;
 	color.a = pass1.a;
diff --git a/src/gl/shaders/matfx_env.vert b/src/gl/shaders/matfx_env.vert
index 0310f4a..00e2c59 100644
--- a/src/gl/shaders/matfx_env.vert
+++ b/src/gl/shaders/matfx_env.vert
@@ -1,22 +1,22 @@
 void main(
 	float3 in_pos,
 	float3 in_normal,
-	float4 in_color,
-	float2 in_tex0,
+	fixed4 in_color,
+	half2 in_tex0,
 	uniform float4x4 u_wvp,
 	uniform float4x4 u_world,
 	uniform float4x4 u_texMatrix,
-	uniform float4 u_ambLight,
-	uniform float4 u_surfProps,
-	uniform float4 u_fogData,
-	uniform float4 u_matColor,
-	uniform float4 u_lightParams[MAX_LIGHTS],
-	uniform float4 u_lightDirection[MAX_LIGHTS],
-	uniform float4 u_lightColor[MAX_LIGHTS],
-	float4 out v_color : COLOR0,
-	float2 out v_tex0 : TEXCOORD0,
-	float2 out v_tex1 : TEXCOORD1,
-	float out v_fog : FOG,
+	uniform half4 u_ambLight,
+	uniform half4 u_surfProps,
+	uniform half4 u_fogData,
+	uniform half4 u_matColor,
+	uniform half4 u_lightParams[MAX_LIGHTS],
+	uniform half4 u_lightDirection[MAX_LIGHTS],
+	uniform half4 u_lightColor[MAX_LIGHTS],
+	half4 out v_color : COLOR0,
+	half2 out v_tex0 : TEXCOORD0,
+	half2 out v_tex1 : TEXCOORD1,
+	fixed out v_fog : FOG,
 	float4 out gl_Position : POSITION
 ) {
 	gl_Position = mul(float4(in_pos, 1.0), u_wvp);
@@ -28,13 +28,13 @@ void main(
 	v_color = in_color;
 	v_color.rgb += u_ambLight.rgb*surfAmbient;
 	
-	float3 color = float3(0.0, 0.0, 0.0);
+	half3 color = float3(0.0, 0.0, 0.0);
 	for(int i = 0; i < MAX_LIGHTS; i++){
 		if(u_lightParams[i].x == 0.0)
 			break;
 		if(u_lightParams[i].x == 1.0){
 			// direct
-			float l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));
+			fixed l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));
 			color += l*u_lightColor[i].rgb;
 		}
 	}
diff --git a/src/gl/shaders/matfx_gl3.inc b/src/gl/shaders/matfx_gl3.inc
index c39df88..b09026e 100644
--- a/src/gl/shaders/matfx_gl3.inc
+++ b/src/gl/shaders/matfx_gl3.inc
@@ -2,22 +2,22 @@ const char *matfx_env_vert_src =
 "void main(\n"
 "	float3 in_pos,\n"
 "	float3 in_normal,\n"
-"	float4 in_color,\n"
-"	float2 in_tex0,\n"
+"	fixed4 in_color,\n"
+"	half2 in_tex0,\n"
 "	uniform float4x4 u_wvp,\n"
 "	uniform float4x4 u_world,\n"
 "	uniform float4x4 u_texMatrix,\n"
-"	uniform float4 u_ambLight,\n"
-"	uniform float4 u_surfProps,\n"
-"	uniform float4 u_fogData,\n"
-"	uniform float4 u_matColor,\n"
-"	uniform float4 u_lightParams[MAX_LIGHTS],\n"
-"	uniform float4 u_lightDirection[MAX_LIGHTS],\n"
-"	uniform float4 u_lightColor[MAX_LIGHTS],\n"
-"	float4 out v_color : COLOR0,\n"
-"	float2 out v_tex0 : TEXCOORD0,\n"
-"	float2 out v_tex1 : TEXCOORD1,\n"
-"	float out v_fog : FOG,\n"
+"	uniform half4 u_ambLight,\n"
+"	uniform half4 u_surfProps,\n"
+"	uniform half4 u_fogData,\n"
+"	uniform half4 u_matColor,\n"
+"	uniform half4 u_lightParams[MAX_LIGHTS],\n"
+"	uniform half4 u_lightDirection[MAX_LIGHTS],\n"
+"	uniform half4 u_lightColor[MAX_LIGHTS],\n"
+"	half4 out v_color : COLOR0,\n"
+"	half2 out v_tex0 : TEXCOORD0,\n"
+"	half2 out v_tex1 : TEXCOORD1,\n"
+"	fixed out v_fog : FOG,\n"
 "	float4 out gl_Position : POSITION\n"
 ") {\n"
 "	gl_Position = mul(float4(in_pos, 1.0), u_wvp);\n"
@@ -29,13 +29,13 @@ const char *matfx_env_vert_src =
 "	v_color = in_color;\n"
 "	v_color.rgb += u_ambLight.rgb*surfAmbient;\n"
 "	\n"
-"	float3 color = float3(0.0, 0.0, 0.0);\n"
+"	half3 color = float3(0.0, 0.0, 0.0);\n"
 "	for(int i = 0; i < MAX_LIGHTS; i++){\n"
 "		if(u_lightParams[i].x == 0.0)\n"
 "			break;\n"
 "		if(u_lightParams[i].x == 1.0){\n"
 "			// direct\n"
-"			float l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));\n"
+"			fixed l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));\n"
 "			color += l*u_lightColor[i].rgb;\n"
 "		}\n"
 "	}\n"
@@ -52,27 +52,27 @@ const char *matfx_env_frag_src =
 "#define disableFBA (u_fxparams.y)\n"
 
 "float4 main(\n"
-"	float4 v_color : COLOR0,\n"
-"	float2 v_tex0 : TEXCOORD0,\n"
-"	float2 v_tex1 : TEXCOORD1,\n"
-"	float v_fog : FOG,\n"
-"	uniform float4 u_fogColor,\n"
-"	uniform float2 u_alphaRef,\n"
-"	uniform float4 u_colorClamp,\n"
-"	uniform float2 u_fxparams,\n"
+"	half4 v_color : COLOR0,\n"
+"	half2 v_tex0 : TEXCOORD0,\n"
+"	half2 v_tex1 : TEXCOORD1,\n"
+"	fixed v_fog : FOG,\n"
+"	uniform half4 u_fogColor,\n"
+"	uniform half2 u_alphaRef,\n"
+"	uniform half4 u_colorClamp,\n"
+"	uniform half2 u_fxparams,\n"
 "	uniform sampler2D tex0 : TEXUNIT0,\n"
 "	uniform sampler2D tex1 : TEXUNIT1\n"
 ") {\n"
-"	float4 pass1 = v_color;\n"
-"	float4 envColor = max(pass1, u_colorClamp);\n"
-"	pass1 *= tex2D(tex0, float2(v_tex0.x, 1.0-v_tex0.y));\n"
+"	half4 pass1 = v_color;\n"
+"	half4 envColor = max(pass1, u_colorClamp);\n"
+"	pass1 *= tex2D(tex0, half2(v_tex0.x, 1.0-v_tex0.y));\n"
 
-"	float4 pass2 = envColor*shininess*tex2D(tex1, float2(v_tex1.x, 1.0-v_tex1.y));\n"
+"	half4 pass2 = envColor*shininess*tex2D(tex1, half2(v_tex1.x, 1.0-v_tex1.y));\n"
 
 "	pass1.rgb = lerp(u_fogColor.rgb, pass1.rgb, v_fog);\n"
-"	pass2.rgb = lerp(float3(0.0, 0.0, 0.0), pass2.rgb, v_fog);\n"
+"	pass2.rgb = lerp(half3(0.0, 0.0, 0.0), pass2.rgb, v_fog);\n"
 "	\n"
-"	float fba = max(pass1.a, disableFBA);\n"
+"	half fba = max(pass1.a, disableFBA);\n"
 "	float4 color;\n"
 "	color.rgb = pass1.rgb*pass1.a + pass2.rgb*fba;\n"
 "	color.a = pass1.a;\n"
diff --git a/src/gl/shaders/simple.frag b/src/gl/shaders/simple.frag
index c811869..98279ff 100644
--- a/src/gl/shaders/simple.frag
+++ b/src/gl/shaders/simple.frag
@@ -1,12 +1,12 @@
 float4 main(
-	float4 v_color : COLOR0,
-	float2 v_tex0 : TEXCOORD0,
-	float v_fog : FOG,
-	uniform float4 u_fogColor,
-	uniform float2 u_alphaRef,
+	half4 v_color : COLOR0,
+	half2 v_tex0 : TEXCOORD0,
+	fixed v_fog : FOG,
+	uniform half4 u_fogColor,
+	uniform half2 u_alphaRef,
 	uniform sampler2D tex0
 ) {
-	float4 color = v_color*tex2D(tex0, float2(v_tex0.x, 1.0-v_tex0.y));
+	half4 color = v_color*tex2D(tex0, half2(v_tex0.x, 1.0-v_tex0.y));
 	color.rgb = lerp(u_fogColor.rgb, color.rgb, v_fog);
 	DoAlphaTest(color.a, u_alphaRef);
 	
diff --git a/src/gl/shaders/simple_fs_gl3.inc b/src/gl/shaders/simple_fs_gl3.inc
index 702864a..5346daf 100644
--- a/src/gl/shaders/simple_fs_gl3.inc
+++ b/src/gl/shaders/simple_fs_gl3.inc
@@ -1,13 +1,13 @@
 const char *simple_frag_src =
 "float4 main(\n"
-"	float4 v_color : COLOR0,\n"
-"	float2 v_tex0 : TEXCOORD0,\n"
-"	float v_fog : FOG,\n"
-"	uniform float4 u_fogColor,\n"
-"	uniform float2 u_alphaRef,\n"
+"	half4 v_color : COLOR0,\n"
+"	half2 v_tex0 : TEXCOORD0,\n"
+"	fixed v_fog : FOG,\n"
+"	uniform half4 u_fogColor,\n"
+"	uniform half2 u_alphaRef,\n"
 "	uniform sampler2D tex0\n"
 ") {\n"
-"	float4 color = v_color*tex2D(tex0, float2(v_tex0.x, 1.0-v_tex0.y));\n"
+"	half4 color = v_color*tex2D(tex0, half2(v_tex0.x, 1.0-v_tex0.y));\n"
 "	color.rgb = lerp(u_fogColor.rgb, color.rgb, v_fog);\n"
 "	DoAlphaTest(color.a, u_alphaRef);\n"
 "	\n"
diff --git a/src/gl/shaders/skin.vert b/src/gl/shaders/skin.vert
index 781712f..982a9e1 100644
--- a/src/gl/shaders/skin.vert
+++ b/src/gl/shaders/skin.vert
@@ -1,23 +1,23 @@
 void main(
 	float3 in_pos,
 	float3 in_normal,
-	float4 in_color,
-	float2 in_tex0,
+	fixed4 in_color,
+	half2 in_tex0,
 	float4 in_weights,
-	float4 in_indices,
+	fixed4 in_indices,
 	uniform float4x4 u_wvp,
 	uniform float4x4 u_world,
-	uniform float4 u_ambLight,
-	uniform float4 u_surfProps,
-	uniform float4 u_fogData,
-	uniform float4 u_matColor,
-	uniform float4 u_lightParams[MAX_LIGHTS],
-	uniform float4 u_lightDirection[MAX_LIGHTS],
-	uniform float4 u_lightColor[MAX_LIGHTS],
+	uniform half4 u_ambLight,
+	uniform half4 u_surfProps,
+	uniform half4 u_fogData,
+	uniform half4 u_matColor,
+	uniform half4 u_lightParams[MAX_LIGHTS],
+	uniform half4 u_lightDirection[MAX_LIGHTS],
+	uniform half4 u_lightColor[MAX_LIGHTS],
 	uniform float4x4 u_boneMatrices[64],
-	float4 out v_color : COLOR0,
-	float2 out v_tex0 : TEXCOORD0,
-	float out v_fog : FOG,
+	half4 out v_color : COLOR0,
+	half2 out v_tex0 : TEXCOORD0,
+	fixed out v_fog : FOG,
 	float4 out gl_Position : POSITION
 ) {
 	float3 SkinVertex = float3(0.0, 0.0, 0.0);
@@ -35,13 +35,13 @@ void main(
 	v_color = in_color;
 	v_color.rgb += u_ambLight.rgb*surfAmbient;
 	
-	float3 color = float3(0.0, 0.0, 0.0);
+	half3 color = half3(0.0, 0.0, 0.0);
 	for(int i = 0; i < MAX_LIGHTS; i++){
 		if(u_lightParams[i].x == 0.0)
 			break;
 		if(u_lightParams[i].x == 1.0){
 			// direct
-			float l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));
+			fixed l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));
 			color += l*u_lightColor[i].rgb;
 		}
 	}
diff --git a/src/gl/shaders/skin_gl3.inc b/src/gl/shaders/skin_gl3.inc
index e0396d2..d41d848 100644
--- a/src/gl/shaders/skin_gl3.inc
+++ b/src/gl/shaders/skin_gl3.inc
@@ -2,23 +2,23 @@ const char *skin_vert_src =
 "void main(\n"
 "	float3 in_pos,\n"
 "	float3 in_normal,\n"
-"	float4 in_color,\n"
-"	float2 in_tex0,\n"
+"	fixed4 in_color,\n"
+"	half2 in_tex0,\n"
 "	float4 in_weights,\n"
-"	float4 in_indices,\n"
+"	fixed4 in_indices,\n"
 "	uniform float4x4 u_wvp,\n"
 "	uniform float4x4 u_world,\n"
-"	uniform float4 u_ambLight,\n"
-"	uniform float4 u_surfProps,\n"
-"	uniform float4 u_fogData,\n"
-"	uniform float4 u_matColor,\n"
-"	uniform float4 u_lightParams[MAX_LIGHTS],\n"
-"	uniform float4 u_lightDirection[MAX_LIGHTS],\n"
-"	uniform float4 u_lightColor[MAX_LIGHTS],\n"
+"	uniform half4 u_ambLight,\n"
+"	uniform half4 u_surfProps,\n"
+"	uniform half4 u_fogData,\n"
+"	uniform half4 u_matColor,\n"
+"	uniform half4 u_lightParams[MAX_LIGHTS],\n"
+"	uniform half4 u_lightDirection[MAX_LIGHTS],\n"
+"	uniform half4 u_lightColor[MAX_LIGHTS],\n"
 "	uniform float4x4 u_boneMatrices[64],\n"
-"	float4 out v_color : COLOR0,\n"
-"	float2 out v_tex0 : TEXCOORD0,\n"
-"	float out v_fog : FOG,\n"
+"	half4 out v_color : COLOR0,\n"
+"	half2 out v_tex0 : TEXCOORD0,\n"
+"	fixed out v_fog : FOG,\n"
 "	float4 out gl_Position : POSITION\n"
 ") {\n"
 "	float3 SkinVertex = float3(0.0, 0.0, 0.0);\n"
@@ -36,13 +36,13 @@ const char *skin_vert_src =
 "	v_color = in_color;\n"
 "	v_color.rgb += u_ambLight.rgb*surfAmbient;\n"
 "	\n"
-"	float3 color = float3(0.0, 0.0, 0.0);\n"
+"	half3 color = half3(0.0, 0.0, 0.0);\n"
 "	for(int i = 0; i < MAX_LIGHTS; i++){\n"
 "		if(u_lightParams[i].x == 0.0)\n"
 "			break;\n"
 "		if(u_lightParams[i].x == 1.0){\n"
 "			// direct\n"
-"			float l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));\n"
+"			fixed l = max(0.0, dot(Normal, -u_lightDirection[i].xyz));\n"
 "			color += l*u_lightColor[i].rgb;\n"
 "		}\n"
 "	}\n"