lxdream.org :: lxdream/src/pvr2/shaders.glsl r1250:204dae47ab7a

filename	src/pvr2/shaders.glsl
changeset	1250:204dae47ab7a
prev	1240:190df8a791ca
next	1252:2fb29172ee79
author	nkeynes
date	Sat Mar 03 16:08:48 2012 +1000 (10 years ago)
permissions	-rw-r--r--
last change	Add explicit precision (required by ES SL) and remove unnecessary gl_FragDepth assignments

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     1.1 --- a/src/pvr2/shaders.glsl	Tue Feb 28 17:25:26 2012 +1000
     1.2 +++ b/src/pvr2/shaders.glsl	Sat Mar 03 16:08:48 2012 +1000
     1.3 @@ -86,7 +86,7 @@
     1.4  }
     1.5  
     1.6  #fragment DEFAULT_FRAGMENT_SHADER
     1.7 -
     1.8 +precision mediump float;
     1.9  uniform float alpha_ref;
    1.10  uniform sampler2D primary_texture;
    1.11  uniform sampler2D palette_texture;
    1.12 @@ -125,7 +125,6 @@
    1.13              } else {
    1.14                  gl_FragColor.rgb = mix( main_colour, fog_colour2, -frag_colour2.a );
    1.15              }
    1.16 -	    gl_FragDepth = gl_FragCoord.z;
    1.17          } 
    1.18  }
    1.19  
    1.20 @@ -143,13 +142,13 @@
    1.21  varying vec2 frag_texcoord;
    1.22  void main()
    1.23  {
    1.24 -    gl_Position = view_matrix * vec4(in_vertex.x,in_vertex.y,0,1);
    1.25 +    gl_Position = view_matrix * vec4(in_vertex.x,in_vertex.y,0.0,1.0);
    1.26      frag_colour = in_colour;
    1.27      frag_texcoord = in_texcoord;
    1.28  }
    1.29  
    1.30  #fragment BASIC_FRAGMENT_SHADER
    1.31 -
    1.32 +precision mediump float;
    1.33  uniform sampler2D primary_texture;
    1.34  varying vec4 frag_colour;
    1.35  varying vec2 frag_texcoord;
    1.36 @@ -158,7 +157,6 @@
    1.37  {
    1.38  	vec4 tex = texture2D( primary_texture, frag_texcoord.xy );
    1.39          gl_FragColor.rgb = mix( frag_colour.rgb, tex.rgb, frag_colour.a );
    1.40 -        gl_FragDepth = gl_FragCoord.z;
    1.41  }
    1.42  
    1.43  #program basic_shader = BASIC_VERTEX_SHADER BASIC_FRAGMENT_SHADER