71 lines
2.0 KiB
GLSL
71 lines
2.0 KiB
GLSL
// vert //
|
|
|
|
out vec3 geom_normal;
|
|
out mat3 TBN;
|
|
out vec4 object_color;
|
|
|
|
void main(void) {
|
|
qgl_MaterialIndex = qgl_Material;
|
|
qgl_FragTexture = qgl_Texture;
|
|
gl_Position = qgl_ftransform();
|
|
|
|
geom_normal = normalize(qgl_Normal * qgl_getNormalMatrix());
|
|
TBN = qgl_getTangentMatrix() * mat3(qgl_Tangent, qgl_Bitangent, qgl_Normal);
|
|
object_color = qgl_ObjectColor;
|
|
}
|
|
|
|
|
|
// frag //
|
|
|
|
in vec3 geom_normal;
|
|
in mat3 TBN;
|
|
in vec4 object_color;
|
|
|
|
uniform vec2 dt;
|
|
uniform float z_near;
|
|
|
|
const vec3 luma = vec3(0.299, 0.587, 0.114);
|
|
const float _pe = 2.4e-7;
|
|
|
|
void main(void) {
|
|
vec2 tc = qgl_FragTexture.xy;
|
|
|
|
vec4 diffuse = qgl_materialTexture(QGL_MAP_DIFFUSE, tc, vec4(0)) * object_color;
|
|
diffuse.rgb *= qgl_material[qgl_MaterialIndex].color_diffuse.rgb;
|
|
diffuse.a *= (1.f - qgl_material[qgl_MaterialIndex].transparency);
|
|
|
|
vec3 normal, dn;
|
|
dn = qgl_materialTexture(QGL_MAP_NORMAL, tc, -vec4(0.5, 0.5, 1., 0.)).xyz;
|
|
//dn.y = -dn.y;
|
|
float dn_sl = length(dn);
|
|
dn = TBN * dn;
|
|
dn *= dn_sl / (length(dn) + 1E-6);
|
|
normal = normalize(geom_normal + dn);
|
|
|
|
vec4 specular = qgl_materialTexture(QGL_MAP_SPECULAR, tc, vec4(0)) * qgl_material[qgl_MaterialIndex].color_specular;
|
|
|
|
float roughness = dot(qgl_materialTexture(QGL_MAP_ROUGHNESS, tc, vec4(0)).rgb, luma);
|
|
roughness = clamp(roughness, 0.0001, 0.9999);
|
|
|
|
float reflectivity = clamp(qgl_material[qgl_MaterialIndex].reflectivity, 0., 1.);
|
|
|
|
vec4 emission = qgl_materialTexture(QGL_MAP_EMISSION, tc, vec4(0));
|
|
emission *= qgl_material[qgl_MaterialIndex].color_emission;
|
|
|
|
float height = dot(qgl_materialTexture(QGL_MAP_RELIEF, tc, vec4(0)).rgb, luma);
|
|
|
|
float z = gl_FragCoord.z;
|
|
z = z + z - 1;
|
|
z = ((_pe - 2.) * z_near) / (z + _pe - 1.); // infinite depth
|
|
|
|
qgl_FragData[0] = vec4(diffuse .rgba);
|
|
qgl_FragData[1] = vec4(normal .xyz, z);
|
|
qgl_FragData[2] = vec4(specular.rgb, reflectivity);
|
|
qgl_FragData[3] = vec4(emission.rgb, roughness/*bn.x*/);
|
|
//qgl_FragData[4] = vec4(speed.xy, bn.yz);
|
|
|
|
//ivec2 itc = ivec2(gl_FragCoord.xy);
|
|
//qgl_FragData[0].rgb = vec3(dot(n,vec3(0,0,1)));
|
|
//qgl_FragData[0].rgb = diffuse.rgb * dot(n,vec3(0,0,1));
|
|
}
|