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Review PBR shaders

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Issue was related to vertex tangent attibutes not uploaded to GPU, a quick solution was implemented for new vertex attributes loading for already existing meshes... I don't like it specially but it will work for now.
This commit is contained in:
Ray
2019-04-05 16:43:09 +02:00
parent 0f9fe34c3a
commit c600dd0766
6 changed files with 41 additions and 6 deletions
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4
examples/models/resources/shaders/brdf.fs
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@ -10,13 +10,13 @@
#version 330
#define MAX_SAMPLES 1024u
// Input vertex attributes (from vertex shader)
in vec2 fragTexCoord;
// Constant values
const float PI = 3.14159265359;
const uint MAX_SAMPLES = 1024u;
// Output fragment color
out vec4 finalColor;
@ -93,7 +93,7 @@ vec2 IntegrateBRDF(float NdotV, float roughness)
vec3 V = vec3(sqrt(1.0 - NdotV*NdotV), 0.0, NdotV);
vec3 N = vec3(0.0, 0.0, 1.0);
for (int i = 0; i < MAX_SAMPLES; i++)
for (uint i = 0u; i < MAX_SAMPLES; i++)
{
// Generate a sample vector that's biased towards the preferred alignment direction (importance sampling)