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Remove unnecessary unsigned keyword and dependancy on GL_EXT_gpu_shader4 extension

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This commit is contained in:
Frederic Bouvier 2012-07-13 19:32:31 +02:00
parent 4b6f2f6017
commit 48c9664e83
1 changed files with 2 additions and 3 deletions
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5
Shaders/ssao.frag
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@ -1,5 +1,4 @@
#version 120
#extension GL_EXT_gpu_shader4 : enable
uniform sampler2D normal_tex;
uniform sampler2D depth_tex;
uniform sampler2D spec_emis_tex;
@ -13,7 +12,7 @@ uniform float g_bias;
uniform float g_intensity;
uniform float g_sample_rad;
uniform float random_size;
uniform unsigned int osg_FrameNumber;
uniform int osg_FrameNumber;
varying vec4 ray;
@ -23,7 +22,7 @@ vec3 position( vec3 viewDir, vec2 coords, sampler2D depth_tex );
vec3 normal_decode(vec2 enc);
vec2 getRandom( in vec2 uv ) {
unsigned int level = osg_FrameNumber - ((osg_FrameNumber / 64U) * 64U);
int level = osg_FrameNumber - ((osg_FrameNumber / 64) * 64);
return normalize( texture3D( noise_tex, vec3(uv*50.0, float(level) / 64.0) ).xy * 0.14 - 0.07 );
}
vec3 getPosition(in vec2 uv, in vec2 uv0, in vec4 ray0) {