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Merge branch 'iqm' into tessallation

Browse Source 
Conflicts:
	src/Render/Render.hs
	src/Types.hs
This commit is contained in:
Stefan Dresselhaus
2014-05-07 09:54:34 +02:00
parent 8147aa8200 376375008c
commit 7dd79f095c
8 changed files with 420 additions and 13 deletions
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31
shaders/map/tessControl.shader
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@@ -10,6 +10,9 @@ out vec4 tcColor[];
out vec3 tcNormal[];
uniform float TessLevelInner = 1.0; // controlled by keyboard buttons
uniform float TessLevelOuter = 1.0; // controlled by keyboard buttons
uniform mat4 ProjectionMatrix;
uniform mat4 ViewMatrix;
uniform mat3 NormalMatrix;
#define ID gl_InvocationID
@@ -18,10 +21,28 @@ void main()
tcPosition[ID] = vPosition[ID];
tcColor[ID] = vColor[ID];
tcNormal[ID] = vNormal[ID];
float dist = (ProjectionMatrix * ViewMatrix * vec4(vPosition[ID], 1)).z;
if (ID == 0) {
gl_TessLevelInner[0] = TessLevelInner;
gl_TessLevelOuter[0] = TessLevelOuter;
gl_TessLevelOuter[1] = TessLevelOuter;
gl_TessLevelOuter[2] = TessLevelOuter;
if (dist < 30) {
gl_TessLevelInner[0] = TessLevelInner;
gl_TessLevelOuter[0] = TessLevelOuter;
gl_TessLevelOuter[1] = TessLevelOuter;
gl_TessLevelOuter[2] = TessLevelOuter;
} else if (dist < 50) {
gl_TessLevelInner[0] = max(TessLevelInner-1.0,1.0);
gl_TessLevelOuter[0] = max(TessLevelOuter-1.0,1.0);
gl_TessLevelOuter[1] = max(TessLevelOuter-1.0,1.0);
gl_TessLevelOuter[2] = max(TessLevelOuter-1.0,1.0);
} else if (dist < 100) {
gl_TessLevelInner[0] = max(TessLevelInner-2.0,1.0);
gl_TessLevelOuter[0] = max(TessLevelOuter-2.0,1.0);
gl_TessLevelOuter[1] = max(TessLevelOuter-2.0,1.0);
gl_TessLevelOuter[2] = max(TessLevelOuter-2.0,1.0);
} else {
gl_TessLevelInner[0] = 1.0;
gl_TessLevelOuter[0] = 1.0;
gl_TessLevelOuter[1] = 1.0;
gl_TessLevelOuter[2] = 1.0;
}
}
}
}

157
shaders/mapobjects/fragment.shader Normal file
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@@ -0,0 +1,157 @@
#version 330
//#include "3rdParty/noise.glsl"
vec3 mod289(vec3 x) {
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec4 mod289(vec4 x) {
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec4 permute(vec4 x) {
return mod289(((x*34.0)+1.0)*x);
}
vec4 taylorInvSqrt(vec4 r)
{
return 1.79284291400159 - 0.85373472095314 * r;
}
float snoise(vec3 v)
{
const vec2 C = vec2(1.0/6.0, 1.0/3.0) ;
const vec4 D = vec4(0.0, 0.5, 1.0, 2.0);
// First corner
vec3 i = floor(v + dot(v, C.yyy) );
vec3 x0 = v - i + dot(i, C.xxx) ;
// Other corners
vec3 g = step(x0.yzx, x0.xyz);
vec3 l = 1.0 - g;
vec3 i1 = min( g.xyz, l.zxy );
vec3 i2 = max( g.xyz, l.zxy );
// x0 = x0 - 0.0 + 0.0 * C.xxx;
// x1 = x0 - i1 + 1.0 * C.xxx;
// x2 = x0 - i2 + 2.0 * C.xxx;
// x3 = x0 - 1.0 + 3.0 * C.xxx;
vec3 x1 = x0 - i1 + C.xxx;
vec3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y
vec3 x3 = x0 - D.yyy; // -1.0+3.0*C.x = -0.5 = -D.y
// Permutations
i = mod289(i);
vec4 p = permute( permute( permute(
i.z + vec4(0.0, i1.z, i2.z, 1.0 ))
+ i.y + vec4(0.0, i1.y, i2.y, 1.0 ))
+ i.x + vec4(0.0, i1.x, i2.x, 1.0 ));
// Gradients: 7x7 points over a square, mapped onto an octahedron.
// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
float n_ = 0.142857142857; // 1.0/7.0
vec3 ns = n_ * D.wyz - D.xzx;
vec4 j = p - 49.0 * floor(p * ns.z * ns.z); // mod(p,7*7)
vec4 x_ = floor(j * ns.z);
vec4 y_ = floor(j - 7.0 * x_ ); // mod(j,N)
vec4 x = x_ *ns.x + ns.yyyy;
vec4 y = y_ *ns.x + ns.yyyy;
vec4 h = 1.0 - abs(x) - abs(y);
vec4 b0 = vec4( x.xy, y.xy );
vec4 b1 = vec4( x.zw, y.zw );
//vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
//vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
vec4 s0 = floor(b0)*2.0 + 1.0;
vec4 s1 = floor(b1)*2.0 + 1.0;
vec4 sh = -step(h, vec4(0.0));
vec4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ;
vec4 a1 = b1.xzyw + s1.xzyw*sh.zzww ;
vec3 p0 = vec3(a0.xy,h.x);
vec3 p1 = vec3(a0.zw,h.y);
vec3 p2 = vec3(a1.xy,h.z);
vec3 p3 = vec3(a1.zw,h.w);
//Normalise gradients
vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
p0 *= norm.x;
p1 *= norm.y;
p2 *= norm.z;
p3 *= norm.w;
// Mix final noise value
vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);
m = m * m;
return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1),
dot(p2,x2), dot(p3,x3) ) );
}
float fog(float dist) {
dist = max(0,dist - 50);
dist = dist * 0.05;
// dist = dist*dist;
return 1-exp(-dist);
}
smooth in vec3 teNormal;
smooth in vec3 tePosition;
smooth in float fogDist;
smooth in float gmix;
in vec4 teColor;
out vec4 fgColor;
uniform mat4 ViewMatrix;
uniform mat4 ProjectionMatrix;
void main(void)
{
//fog color
vec4 fogColor = vec4(0.6,0.7,0.8,1.0);
//heliospheric lighting
vec4 light = vec4(1.0,1.0,1.0,1.0);
vec4 dark = vec4(0.0,0.0,0.0,1.0);
//direction to sun from origin
vec3 lightDir = normalize(ViewMatrix * vec4(5.0,5.0,1.0,0.0)).xyz;
float costheta = dot(teNormal, lightDir);
float a = costheta * 0.5 + 0.5;
//create gravel-texel
vec3 uvw = tePosition;
// Six components of noise in a fractal sum
//float n = snoise(uvw * 10);
float n = 0;
n += 0.5 * snoise(uvw * 20.0);
//n += 0.25 * snoise(uvw * 40.0);
//n += 0.125 * snoise(uvw * 80.0);
//n += 0.0625 * snoise(uvw * 160.0);
//n += 0.03125 * snoise(uvw * 320.0);
n = abs(n*2);//[0,1]
//dirt
float d = snoise(uvw);
d += 0.5 * snoise(uvw * 2);
d += 0.25 * snoise(uvw * 4);
d = d/3*2 +0.5;
// base, dirt, noise-level*(above 0?)*(linear blend by y)
vec4 texBase = mix(teColor, vec4(0.45,0.27,0.1,1),d*d*step(0.01,tePosition.y)*clamp(tePosition.y/2,0,2));
// stone highlights
vec4 texHighlights = mix(texBase, vec4(0.9*n,0.9*n,0.9*n,1),n*n*n);
//mix highlights into Color with inclination, if inclination^2 > 0.35
vec4 texColor = mix(texBase,texHighlights, (gmix*(1-gmix))*4*(gmix*(1-gmix))*4);
vec4 Color = texColor;
fgColor = Color * mix(dark, light, a);
fgColor = mix(fgColor,fogColor,fog(fogDist));
}

27
shaders/mapobjects/tessControl.shader Normal file
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@@ -0,0 +1,27 @@
#version 330
#extension GL_ARB_tessellation_shader : require
layout(vertices = 3) out;
in vec3 vPosition[];
in vec4 vColor[];
in vec3 vNormal[];
out vec3 tcPosition[];
out vec4 tcColor[];
out vec3 tcNormal[];
uniform float TessLevelInner = 1.0; // controlled by keyboard buttons
uniform float TessLevelOuter = 1.0; // controlled by keyboard buttons
#define ID gl_InvocationID
void main()
{
tcPosition[ID] = vPosition[ID];
tcColor[ID] = vColor[ID];
tcNormal[ID] = vNormal[ID];
if (ID == 0) {
gl_TessLevelInner[0] = TessLevelInner;
gl_TessLevelOuter[0] = TessLevelOuter;
gl_TessLevelOuter[1] = TessLevelOuter;
gl_TessLevelOuter[2] = TessLevelOuter;
}
}

149
shaders/mapobjects/tessEval.shader Normal file
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@@ -0,0 +1,149 @@
#version 330
#extension GL_ARB_tessellation_shader : require
//#include "shaders/3rdParty/noise.glsl"
vec3 mod289(vec3 x) {
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec4 mod289(vec4 x) {
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec4 permute(vec4 x) {
return mod289(((x*34.0)+1.0)*x);
}
vec4 taylorInvSqrt(vec4 r)
{
return 1.79284291400159 - 0.85373472095314 * r;
}
float snoise(vec3 v)
{
const vec2 C = vec2(1.0/6.0, 1.0/3.0) ;
const vec4 D = vec4(0.0, 0.5, 1.0, 2.0);
// First corner
vec3 i = floor(v + dot(v, C.yyy) );
vec3 x0 = v - i + dot(i, C.xxx) ;
// Other corners
vec3 g = step(x0.yzx, x0.xyz);
vec3 l = 1.0 - g;
vec3 i1 = min( g.xyz, l.zxy );
vec3 i2 = max( g.xyz, l.zxy );
// x0 = x0 - 0.0 + 0.0 * C.xxx;
// x1 = x0 - i1 + 1.0 * C.xxx;
// x2 = x0 - i2 + 2.0 * C.xxx;
// x3 = x0 - 1.0 + 3.0 * C.xxx;
vec3 x1 = x0 - i1 + C.xxx;
vec3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y
vec3 x3 = x0 - D.yyy; // -1.0+3.0*C.x = -0.5 = -D.y
// Permutations
i = mod289(i);
vec4 p = permute( permute( permute(
i.z + vec4(0.0, i1.z, i2.z, 1.0 ))
+ i.y + vec4(0.0, i1.y, i2.y, 1.0 ))
+ i.x + vec4(0.0, i1.x, i2.x, 1.0 ));
// Gradients: 7x7 points over a square, mapped onto an octahedron.
// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
float n_ = 0.142857142857; // 1.0/7.0
vec3 ns = n_ * D.wyz - D.xzx;
vec4 j = p - 49.0 * floor(p * ns.z * ns.z); // mod(p,7*7)
vec4 x_ = floor(j * ns.z);
vec4 y_ = floor(j - 7.0 * x_ ); // mod(j,N)
vec4 x = x_ *ns.x + ns.yyyy;
vec4 y = y_ *ns.x + ns.yyyy;
vec4 h = 1.0 - abs(x) - abs(y);
vec4 b0 = vec4( x.xy, y.xy );
vec4 b1 = vec4( x.zw, y.zw );
//vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
//vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
vec4 s0 = floor(b0)*2.0 + 1.0;
vec4 s1 = floor(b1)*2.0 + 1.0;
vec4 sh = -step(h, vec4(0.0));
vec4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ;
vec4 a1 = b1.xzyw + s1.xzyw*sh.zzww ;
vec3 p0 = vec3(a0.xy,h.x);
vec3 p1 = vec3(a0.zw,h.y);
vec3 p2 = vec3(a1.xy,h.z);
vec3 p3 = vec3(a1.zw,h.w);
//Normalise gradients
vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
p0 *= norm.x;
p1 *= norm.y;
p2 *= norm.z;
p3 *= norm.w;
// Mix final noise value
vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);
m = m * m;
return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1),
dot(p2,x2), dot(p3,x3) ) );
}
layout(triangles, equal_spacing, cw) in;
in vec3 tcPosition[];
in vec4 tcColor[];
in vec3 tcNormal[];
out vec4 teColor;
smooth out vec3 tePosition;
smooth out vec3 teNormal;
smooth out float fogDist;
smooth out float gmix; //mixture of gravel
//out vec3 tePatchDistance;
//constant projection matrix
uniform mat4 ProjectionMatrix;
uniform mat4 ViewMatrix;
uniform mat3 NormalMatrix;
void main()
{
//NORMAL
vec3 n0 = gl_TessCoord.x * tcNormal[0];
vec3 n1 = gl_TessCoord.y * tcNormal[1];
vec3 n2 = gl_TessCoord.z * tcNormal[2];
vec3 tessNormal = normalize(n0 + n1 + n2);
teNormal = NormalMatrix * tessNormal;
//POSITION
vec3 p0 = gl_TessCoord.x * tcPosition[0];
vec3 p1 = gl_TessCoord.y * tcPosition[1];
vec3 p2 = gl_TessCoord.z * tcPosition[2];
tePosition = p0 + p1 + p2;
//sin(a,b) = length(cross(a,b))
float i0 = (1-gl_TessCoord.x)*gl_TessCoord.x * length(cross(tcNormal[0],tessNormal));
float i1 = (1-gl_TessCoord.y)*gl_TessCoord.y * length(cross(tcNormal[1],tessNormal));
float i2 = (1-gl_TessCoord.z)*gl_TessCoord.z * length(cross(tcNormal[2],tessNormal));
float standout = i0+i1+i2;
tePosition = tePosition+tessNormal*standout;
tePosition = tePosition+0.05*snoise(tePosition);
gl_Position = ProjectionMatrix * ViewMatrix * vec4(tePosition, 1);
fogDist = gl_Position.z;
//COLOR-BLENDING
vec4 c0 = (1-exp(gl_TessCoord.x)) * tcColor[0];
vec4 c1 = (1-exp(gl_TessCoord.y)) * tcColor[1];
vec4 c2 = (1-exp(gl_TessCoord.z)) * tcColor[2];
teColor = (c0 + c1 + c2)/((1-exp(gl_TessCoord.x))+(1-exp(gl_TessCoord.y))+(1-exp(gl_TessCoord.z)));
//mix gravel based on incline (sin (normal,up))
gmix = length(cross(tessNormal, vec3(0,1,0)));
}

18
shaders/mapobjects/vertex.shader Normal file
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@@ -0,0 +1,18 @@
#version 330
//vertex-data
in vec4 Color;
in vec3 Position;
in vec3 Normal;
//output-data for later stages
out vec4 vColor;
out vec3 vPosition;
out vec3 vNormal;
void main()
{
vPosition = Position;
vNormal = Normal;
vColor = Color;
}

30
src/Main.hs
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@@ -132,6 +132,7 @@ main =
}
, _io = IOState
{ _clock = now
, _tessClockFactor = 0
}
, _mouse = MouseState
{ _isDown = False
@@ -228,17 +229,30 @@ run = do
}
-}
mt <- liftIO $ do
let double = fromRational.toRational :: (Real a) => a -> Double
(mt,tc,sleepAmount) <- liftIO $ do
let double = fromRational.toRational :: (Real a) => a -> Double
targetFramerate = 40.0
targetFrametime = 1.0/targetFramerate
targetFrametimeμs = targetFrametime * 1000000.0
now <- getCurrentTime
diff <- return $ diffUTCTime now (state ^. io.clock) -- get time-diffs
title <- return $ unwords ["Pioneers @ ",show ((round . double $ 1.0/diff)::Int),"fps"]
let diff = diffUTCTime now (state ^. io.clock) -- get time-diffs
title = unwords ["Pioneers @ ",show ((round . double $ 1.0/diff)::Int),"fps"]
setWindowTitle (env ^. windowObject) title
sleepAmount <- return $ floor (max 0 (0.04 - diff))*1000000 -- get time until next frame in microseconds
threadDelay sleepAmount
return now
let sleepAmount = floor ((targetFrametime - double diff)*1000000) :: Int -- get time until next frame in microseconds
clockFactor = (state ^. io.tessClockFactor)
tessChange
| (clockFactor > (2*targetFrametimeμs)) && (state ^. gl.glMap.stateTessellationFactor < 5) = ((+)1 :: Int -> Int)
-- > factor < 5 & 10% of frame idle -> increase graphics
| sleepAmount < 0 && (state ^. gl.glMap.stateTessellationFactor > 1) = (flip (-) 1 :: Int -> Int)
-- frame used up completely -> decrease
| otherwise = ((+)0 :: Int -> Int) -- 0ms > x > 10% -> keep settings
when (sleepAmount > 0) $ threadDelay sleepAmount
return (now,tessChange,sleepAmount)
-- set state with new clock-time
modify $ io.clock .~ mt
modify $ (io.clock .~ mt)
. (gl.glMap.stateTessellationFactor %~ tc)
. (io.tessClockFactor %~ (((+) (fromIntegral sleepAmount)).((*) 0.99)))
-- liftIO $ putStrLn $ concat $ ["TessFactor at: ",show (state ^. gl.glMap.stateTessellationFactor), " - slept for ",show sleepAmount, "μs."]
shouldClose' <- return $ state ^. window.shouldClose
unless shouldClose' run

10
src/Render/Render.hs
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@@ -288,6 +288,10 @@ renderOverview = do
checkError "draw map"
-}
renderObject :: MapObject -> IO ()
renderObject (MapObject model (L.V3 x y z) _{-state-}) =
undefined
render :: Pioneers ()
render = do
@@ -384,6 +388,12 @@ render = do
checkError "draw map"
---- RENDER MAPOBJECTS --------------------------------------------
currentProgram $= Just (state ^. gl.glMap.objectsProgram)
mapM_ renderObject (state ^. gl.glMap.mapObjects)
-- set sample 1 as target in renderbuffer
{-framebufferRenderbuffer
DrawFramebuffer --write-only

11
src/Types.hs
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@@ -8,6 +8,7 @@ import Foreign.C (CFloat)
import qualified Data.HashMap.Strict as Map
import Data.Time (UTCTime)
import Linear.Matrix (M44)
import Linear (V3)
import Control.Monad.RWS.Strict (RWST)
import Control.Lens
import Graphics.Rendering.OpenGL.GL.Texturing.Objects (TextureObject)
@@ -51,6 +52,7 @@ data CameraState = CameraState
data IOState = IOState
{ _clock :: !UTCTime
, _tessClockFactor :: !Double
}
data GameState = GameState
@@ -120,6 +122,15 @@ data GLMapState = GLMapState
}
data GLObject = GLObject IQM (Coord3D Double)
, _objectsProgram :: !GL.Program
, _mapObjects :: ![MapObject]
}
data MapObject = MapObject !IQM !MapCoordinates !MapObjectState
data MapObjectState = MapObjectState ()
type MapCoordinates = V3 CFloat
data GLHud = GLHud
{ _hudTexture :: !TextureObject -- ^ HUD-Texture itself