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Added lighting to SSAO example. small changes and fixes

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saschawillems 2016-10-29 13:18:20 +02:00
parent 9212a9e3cb
commit 06369fc72e
11 changed files with 40 additions and 25 deletions
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9
data/shaders/ssao/ssao.frag
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@ -23,18 +23,19 @@ layout (location = 0) out float outFragColor;
// todo: specialization const
const int kernelSize = 64;
const float radius = 1.0;
const float radius = 0.5;
void main()
{
// Get G-Buffer values
vec3 fragPos = texture(samplerPositionDepth, inUV).rgb;
vec3 normal = normalize(texture(samplerNormal, inUV).rgb) * 2.0 - 1.0f;
vec3 normal = normalize(texture(samplerNormal, inUV).rgb * 2.0 - 1.0);
// Get a random vector using a noise lookup
ivec2 texDim = textureSize(samplerPositionDepth, 0);
const vec2 noiseUV = vec2(float(texDim.x)/4.0f, float(texDim.y)/4.0f) * inUV;
vec3 randomVec = texture(ssaoNoise, noiseUV).xyz * 2.0 - 1.0;
ivec2 noiseDim = textureSize(ssaoNoise, 0);
const vec2 noiseUV = vec2(float(texDim.x)/float(noiseDim.x), float(texDim.y)/(noiseDim.y)) * inUV;
vec3 randomVec = texture(ssaoNoise, noiseUV).xyz;
// Create TBN matrix
vec3 tangent = normalize(randomVec - normal * dot(randomVec, normal));