mirror of
https://github.com/OpenMW/openmw.git
synced 2025-10-31 13:56:38 +00:00
73 lines
2.1 KiB
GLSL
73 lines
2.1 KiB
GLSL
#version 120
|
|
|
|
#if @useUBO
|
|
#extension GL_ARB_uniform_buffer_object : require
|
|
#endif
|
|
|
|
#if @useGPUShader4
|
|
#extension GL_EXT_gpu_shader4: require
|
|
#endif
|
|
|
|
#include "lib/core/vertex.h.glsl"
|
|
varying vec2 uv;
|
|
varying float euclideanDepth;
|
|
varying float linearDepth;
|
|
|
|
#define PER_PIXEL_LIGHTING (@normalMap || @specularMap || @forcePPL)
|
|
|
|
#if !PER_PIXEL_LIGHTING
|
|
centroid varying vec3 passLighting;
|
|
centroid varying vec3 passSpecular;
|
|
centroid varying vec3 shadowDiffuseLighting;
|
|
centroid varying vec3 shadowSpecularLighting;
|
|
#endif
|
|
varying vec3 passViewPos;
|
|
varying vec3 passNormal;
|
|
|
|
#include "vertexcolors.glsl"
|
|
#include "shadows_vertex.glsl"
|
|
#include "compatibility/normals.glsl"
|
|
|
|
#include "lib/light/lighting.glsl"
|
|
#include "lib/view/depth.glsl"
|
|
|
|
void main(void)
|
|
{
|
|
gl_Position = modelToClip(gl_Vertex);
|
|
|
|
vec4 viewPos = modelToView(gl_Vertex);
|
|
gl_ClipVertex = viewPos;
|
|
euclideanDepth = length(viewPos.xyz);
|
|
linearDepth = getLinearDepth(gl_Position.z, viewPos.z);
|
|
|
|
passColor = gl_Color;
|
|
passNormal = gl_Normal.xyz;
|
|
passViewPos = viewPos.xyz;
|
|
normalToViewMatrix = gl_NormalMatrix;
|
|
|
|
#if @normalMap
|
|
mat3 tbnMatrix = generateTangentSpace(vec4(1.0, 0.0, 0.0, 1.0), passNormal);
|
|
tbnMatrix[0] = normalize(cross(tbnMatrix[2], tbnMatrix[1])); // note, now we need to re-cross to derive tangent again because it wasn't orthonormal
|
|
normalToViewMatrix *= tbnMatrix;
|
|
#endif
|
|
|
|
#if !PER_PIXEL_LIGHTING || @shadows_enabled
|
|
vec3 viewNormal = normalize(gl_NormalMatrix * passNormal);
|
|
#endif
|
|
|
|
#if !PER_PIXEL_LIGHTING
|
|
vec3 diffuseLight, ambientLight, specularLight;
|
|
doLighting(viewPos.xyz, viewNormal, gl_FrontMaterial.shininess, diffuseLight, ambientLight, specularLight, shadowDiffuseLighting, shadowSpecularLighting);
|
|
passLighting = getDiffuseColor().xyz * diffuseLight + getAmbientColor().xyz * ambientLight + getEmissionColor().xyz;
|
|
passSpecular = getSpecularColor().xyz * specularLight;
|
|
clampLightingResult(passLighting);
|
|
shadowDiffuseLighting *= getDiffuseColor().xyz;
|
|
shadowSpecularLighting *= getSpecularColor().xyz;
|
|
#endif
|
|
|
|
uv = gl_MultiTexCoord0.xy;
|
|
|
|
#if (@shadows_enabled)
|
|
setupShadowCoords(viewPos, viewNormal);
|
|
#endif
|
|
}
|