Shadow will actually shut itself off and delete itself now
This commit is contained in:
FakeShemp
@@ -0,0 +1,204 @@
|
||||
#version 430
|
||||
|
||||
#define MIN_AMBIENT_LIGHT 0.3
|
||||
#define MAX_SPLITS 4
|
||||
|
||||
uniform mat4 VM;
|
||||
uniform mat4 M;
|
||||
uniform mat4 V;
|
||||
uniform mat4 P;
|
||||
uniform vec4 Color;
|
||||
uniform vec4 DiffuseColor;
|
||||
uniform vec2 ScreenDimensions;
|
||||
uniform vec4 FillColor;
|
||||
uniform vec4 AmbientColor;
|
||||
uniform float FillPercentage;
|
||||
uniform float GlowIntensity;
|
||||
uniform vec3 CameraPosition;
|
||||
uniform int SSAOQuality;
|
||||
uniform float FarDistance[MAX_SPLITS];
|
||||
|
||||
uniform vec2 DiffuseUVRepeat;
|
||||
uniform vec2 NormalUVRepeat;
|
||||
uniform vec2 SpecularUVRepeat;
|
||||
uniform vec2 GlowUVRepeat;
|
||||
layout (binding = 0) uniform sampler2D AOTexture;
|
||||
layout (binding = 1) uniform sampler2D DiffuseTexture;
|
||||
layout (binding = 2) uniform sampler2D NormalMapTexture;
|
||||
layout (binding = 3) uniform sampler2D SpecularMapTexture;
|
||||
layout (binding = 4) uniform sampler2D GlowMapTexture;
|
||||
layout (binding = 5) uniform samplerCube CubeMap;
|
||||
|
||||
#define TILE_SIZE 16
|
||||
|
||||
struct LightSource {
|
||||
vec4 Position;
|
||||
vec4 Direction;
|
||||
vec4 Color;
|
||||
float Radius;
|
||||
float Intensity;
|
||||
float Falloff;
|
||||
int Type;
|
||||
};
|
||||
|
||||
layout (std430, binding = 1) buffer LightBuffer
|
||||
{
|
||||
LightSource List[];
|
||||
} LightSources;
|
||||
|
||||
struct LightGrid {
|
||||
float Start;
|
||||
float Amount;
|
||||
vec2 Padding;
|
||||
};
|
||||
|
||||
layout (std430, binding = 2) buffer LightGridBuffer
|
||||
{
|
||||
LightGrid Data[];
|
||||
} LightGrids;
|
||||
|
||||
layout (std430, binding = 4) buffer LightIndexBuffer
|
||||
{
|
||||
float LightIndex[];
|
||||
};
|
||||
|
||||
in VertexData{
|
||||
vec3 Position;
|
||||
vec3 Normal;
|
||||
vec3 Tangent;
|
||||
vec3 BiTangent;
|
||||
vec2 TextureCoordinate;
|
||||
vec4 ExplosionColor;
|
||||
float ExplosionPercentageElapsed;
|
||||
vec4 PositionLightSpace[MAX_SPLITS];
|
||||
}Input;
|
||||
|
||||
out vec4 sceneColor;
|
||||
out vec4 bloomColor;
|
||||
|
||||
struct LightResult {
|
||||
vec4 Diffuse;
|
||||
vec4 Specular;
|
||||
};
|
||||
|
||||
float CalcAttenuation(float radius, float dist, float falloff) {
|
||||
return 1.0 - smoothstep(radius * falloff, radius, dist);
|
||||
}
|
||||
|
||||
vec4 CalcSpecular(vec4 lightColor, vec4 viewVec, vec4 lightVec, vec4 normal) {
|
||||
vec4 R = normalize( reflect(-lightVec, normal));
|
||||
float RdotV = max( dot(R, viewVec), 0.0);
|
||||
return lightColor * pow(RdotV, 90.0);
|
||||
}
|
||||
|
||||
vec4 CalcDiffuse(vec4 lightColor, vec4 lightVec, vec4 normal) {
|
||||
float power = max( dot(normal, lightVec), 0.0);
|
||||
return lightColor * power;
|
||||
}
|
||||
|
||||
LightResult CalcPointLightSource(vec4 lightPos, float lightRadius, vec4 lightColor, float intensity, vec4 viewVec, vec4 position, vec4 normal, float falloff)
|
||||
{
|
||||
vec4 L = lightPos - position;
|
||||
float dist = length(L);
|
||||
L = normalize(L);
|
||||
|
||||
float attenuation = CalcAttenuation(lightRadius, dist, falloff);
|
||||
|
||||
LightResult result;
|
||||
result.Diffuse = CalcDiffuse(lightColor, L, normal) * attenuation * intensity;
|
||||
result.Specular = CalcSpecular(lightColor, viewVec, L, normal) * attenuation * intensity;
|
||||
return result;
|
||||
}
|
||||
|
||||
LightResult CalcDirectionalLightSource(vec4 direction, vec4 color, float intensity, vec4 viewVec, vec4 vertNormal)
|
||||
{
|
||||
vec4 L = normalize( -vec4(direction.xyz, 0) );
|
||||
|
||||
LightResult result;
|
||||
result.Diffuse = CalcDiffuse(color, L, vertNormal) * intensity;
|
||||
result.Specular = CalcSpecular(color, viewVec, L, vertNormal) * intensity;
|
||||
return result;
|
||||
}
|
||||
|
||||
vec4 CalcNormalMappedValue(vec3 normal, vec3 tangent, vec3 bitangent, vec2 textureCoordinate, sampler2D normalMap)
|
||||
{
|
||||
mat3 TBN = mat3(tangent, bitangent, normal);
|
||||
vec3 NormalMap = texture(normalMap, textureCoordinate).xyz * 2.0 - vec3(1.0);
|
||||
return vec4(TBN * normalize(NormalMap), 0.0);
|
||||
}
|
||||
|
||||
void main()
|
||||
{
|
||||
float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy) >> int(SSAOQuality), 0).r;
|
||||
ao = (clamp(1.0 - (1.0 - ao), 0.0, 1.0) + MIN_AMBIENT_LIGHT) / (1.0 + MIN_AMBIENT_LIGHT);
|
||||
vec4 diffuseTexel = texture2D(DiffuseTexture, Input.TextureCoordinate * DiffuseUVRepeat);
|
||||
vec4 glowTexel = texture2D(GlowMapTexture, Input.TextureCoordinate * GlowUVRepeat);
|
||||
vec4 specularTexel = texture2D(SpecularMapTexture, Input.TextureCoordinate * SpecularUVRepeat);
|
||||
vec4 position = VM * vec4(Input.Position, 1.0);
|
||||
vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate * NormalUVRepeat, NormalMapTexture);
|
||||
normal = normalize(normal);
|
||||
//vec4 normal = normalize(V * vec4(Input.Normal, 0.0));
|
||||
vec4 viewVec = normalize(-position);
|
||||
vec3 I = normalize(vec3(M * vec4(Input.Position, 1.0)) - CameraPosition);
|
||||
vec3 R = reflect(-I, Input.Normal);
|
||||
//R = vec3(P * vec4(R, 1.0));
|
||||
vec4 reflectionColor = texture(CubeMap, R);
|
||||
|
||||
vec2 tilePos;
|
||||
tilePos.x = int(gl_FragCoord.x/TILE_SIZE);
|
||||
tilePos.y = int(gl_FragCoord.y/TILE_SIZE);
|
||||
|
||||
LightResult totalLighting;
|
||||
totalLighting.Diffuse = vec4(AmbientColor.rgb * ao, 1.0);
|
||||
int currentTile = int(floor(gl_FragCoord.x/TILE_SIZE) + (floor(gl_FragCoord.y/TILE_SIZE) * int(ScreenDimensions.x/TILE_SIZE)));
|
||||
|
||||
int start = int(LightGrids.Data[currentTile].Start);
|
||||
int amount = int(LightGrids.Data[currentTile].Amount);
|
||||
|
||||
for(int i = start; i < start + amount; i++) {
|
||||
|
||||
int l = int(LightIndex[i]);
|
||||
LightSource light = LightSources.List[l];
|
||||
|
||||
LightResult light_result;
|
||||
//These if statements should be removed.
|
||||
if(light.Type == 1) { // point
|
||||
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, position, normal, light.Falloff);
|
||||
} else if (light.Type == 2) { //Directional
|
||||
light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal);
|
||||
}
|
||||
totalLighting.Diffuse += vec4(light_result.Diffuse.rgb * ao, light_result.Diffuse.a);
|
||||
totalLighting.Specular += vec4(light_result.Specular.rgb * ao, light_result.Specular.a);
|
||||
}
|
||||
|
||||
vec4 color_result = mix((Color * diffuseTexel * DiffuseColor), Input.ExplosionColor, Input.ExplosionPercentageElapsed);
|
||||
color_result = color_result * (totalLighting.Diffuse + (totalLighting.Specular * specularTexel));
|
||||
float specularResult = (specularTexel.r + specularTexel.g + specularTexel.b)/3.0;
|
||||
vec4 reflectionTotal = reflectionColor * (1-specularTexel.a) * color_result.a * (totalLighting.Diffuse + (totalLighting.Specular * specularTexel));
|
||||
color_result = color_result * clamp(1/specularTexel.a, 0, 1) + reflectionTotal;
|
||||
//vec4 color_result = (DiffuseColor + Input.ExplosionColor) * (totalLighting.Diffuse + (totalLighting.Specular * specularTexel)) * diffuseTexel * Color;
|
||||
|
||||
|
||||
float pos = ((P * vec4(Input.Position, 1)).y + 1.0)/2.0;
|
||||
|
||||
if(pos <= FillPercentage) {
|
||||
color_result += FillColor;
|
||||
}
|
||||
sceneColor = vec4(color_result.xyz, clamp(color_result.a, 0, 1));
|
||||
//sceneColor = CommonUniforms.testColour;
|
||||
//sceneColor = vec4(reflectionColor.xyz, 1);
|
||||
color_result.xyz += glowTexel.xyz*GlowIntensity;
|
||||
|
||||
bloomColor = vec4(max(color_result.xyz - 1.0, 0.0), clamp(color_result.a, 0, 1));
|
||||
|
||||
//Tiled Debug Code
|
||||
/*
|
||||
if(int(gl_FragCoord.x)%16 == 0 || int(gl_FragCoord.y)%16 == 0 ) {
|
||||
sceneColor += vec4(0.5, 0, 0, 0);
|
||||
} else {
|
||||
sceneColor += vec4(LightGrids.Data[int(tilePos.x + tilePos.y*80)].Amount/LightSources.List.length(), 0, 0, 1);
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user