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Code Issues Releases Wiki Activity

gamma correct rendering & adjustment setting

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This commit is contained in:
scrawl 2012-09-19 23:25:07 +02:00
parent 32de090079
commit d9f6072f02
5 changed files with 27 additions and 11 deletions
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2
apps/openmw/mwrender/renderingmanager.cpp
View file

@ -129,6 +129,8 @@ RenderingManager::RenderingManager (OEngine::Render::OgreRenderer& _rend, const
sh::Factory::getInstance ().setSharedParameter ("waterTimer", sh::makeProperty<sh::FloatValue>(new sh::FloatValue(0)));
sh::Factory::getInstance ().setSharedParameter ("windDir_windSpeed", sh::makeProperty<sh::Vector3>(new sh::Vector3(0.5, -0.8, 0.2)));
sh::Factory::getInstance ().setSharedParameter ("waterSunFade_sunHeight", sh::makeProperty<sh::Vector2>(new sh::Vector2(1, 0.6)));
sh::Factory::getInstance ().setSharedParameter ("gammaCorrection", sh::makeProperty<sh::FloatValue>(new sh::FloatValue(
Settings::Manager::getFloat ("gamma", "Video"))));
applyCompositors();

4
files/materials/core.h
View file

@ -1,3 +1,7 @@
#define gammaCorrectRead(v) pow(v, float3(gammaCorrection,gammaCorrection,gammaCorrection))
#define gammaCorrectOutput(v) pow(v, float3(1.f/gammaCorrection,1.f/gammaCorrection,1.f/gammaCorrection))
#if SH_HLSL == 1 || SH_CG == 1
#define shTexture2D sampler2D

14
files/materials/objects.shader
View file

@ -112,6 +112,8 @@
shUniform(float, far) @shAutoConstant(far, far_clip_distance)
#endif
shUniform(float, gammaCorrection) @shSharedParameter(gammaCorrection, gammaCorrection)
#if LIGHTING
shInput(float3, normalPassthrough)
shInput(float3, objSpacePositionPassthrough)
@ -173,7 +175,8 @@
SH_START_PROGRAM
{
shOutputColour(0) = shSample(diffuseMap, UV);
shOutputColour(0).xyz = gammaCorrectRead(shOutputColour(0).xyz);
#if LIGHTING
float3 normal = normalize(normalPassthrough);
float3 lightDir;
@ -259,7 +262,7 @@
// regular fog only if fragment is above water
if (worldPos.y > waterLevel)
#endif
shOutputColour(0).xyz = shLerp (shOutputColour(0).xyz, fogColour, fogValue);
shOutputColour(0).xyz = shLerp (shOutputColour(0).xyz, gammaCorrectRead(fogColour), fogValue);
#endif
// prevent negative colour output (for example with negative lights)
@ -274,12 +277,11 @@
float waterSunGradient = dot(eyeVec, -normalize(lightDirectionWS0.xyz));
waterSunGradient = shSaturate(pow(waterSunGradient*0.7+0.3,2.0));
float3 waterSunColour = float3(0.0,1.0,0.85)*waterSunGradient * 0.5;
float3 waterSunColour = gammaCorrectRead(float3(0.0,1.0,0.85)) *waterSunGradient * 0.5;
float waterGradient = dot(eyeVec, float3(0.0,-1.0,0.0));
waterGradient = clamp((waterGradient*0.5+0.5),0.2,1.0);
float3 watercolour = (float3(0.0078, 0.5176, 0.700)+waterSunColour)*waterGradient*2.0;
float3 waterext = float3(0.6, 0.9, 1.0);//water extinction
float3 watercolour = ( gammaCorrectRead(float3(0.0078, 0.5176, 0.700))+waterSunColour)*waterGradient*2.0;
watercolour = shLerp(watercolour*0.3*waterSunFade_sunHeight.x, watercolour, shSaturate(1.0-exp(-waterSunFade_sunHeight.y*SUN_EXT)));
watercolour = (cameraPos.y <= waterLevel) ? watercolour : watercolour*0.3;
@ -292,6 +294,8 @@
shOutputColour(0).xyz = shLerp (shOutputColour(0).xyz, watercolour, fogAmount * isUnderwater * waterEnabled);
#endif
shOutputColour(0).xyz = gammaCorrectOutput(shOutputColour(0).xyz);
#if MRT
shOutputColour(1) = float4(depthPassthrough / far,1,1,1);
#endif

16
files/materials/terrain.shader
View file

@ -137,6 +137,8 @@
shSampler2D(normalMap) // global normal map
shUniform(float, gammaCorrection) @shSharedParameter(gammaCorrection, gammaCorrection)
@shForeach(@shPropertyString(num_blendmaps))
shSampler2D(blendMap@shIterator)
@ -247,9 +249,9 @@
#if IS_FIRST_PASS == 1 && @shIterator == 0
// first layer of first pass doesn't need a blend map
albedo = shSample(diffuseMap0, UV * 10).rgb;
albedo = gammaCorrectRead(shSample(diffuseMap0, UV * 10).rgb);
#else
albedo = shLerp(albedo, shSample(diffuseMap@shIterator, UV * 10).rgb, blendValues@shPropertyString(blendmap_component_@shIterator));
albedo = shLerp(albedo, gammaCorrectRead(shSample(diffuseMap@shIterator, UV * 10).rgb), blendValues@shPropertyString(blendmap_component_@shIterator));
#endif
@shEndForeach
@ -336,7 +338,7 @@
// regular fog only if fragment is above water
if (worldPos.y > waterLevel)
#endif
shOutputColour(0).xyz = shLerp (shOutputColour(0).xyz, fogColour, fogValue);
shOutputColour(0).xyz = shLerp (shOutputColour(0).xyz, gammaCorrectRead(fogColour), fogValue);
#endif
// prevent negative colour output (for example with negative lights)
@ -351,12 +353,12 @@
float waterSunGradient = dot(eyeVec, -normalize(lightDirectionWS0.xyz));
waterSunGradient = shSaturate(pow(waterSunGradient*0.7+0.3,2.0));
float3 waterSunColour = float3(0.0,1.0,0.85)*waterSunGradient * 0.5;
float3 waterSunColour = gammaCorrectRead(float3(0.0,1.0,0.85))*waterSunGradient * 0.5;
float waterGradient = dot(eyeVec, float3(0.0,-1.0,0.0));
waterGradient = clamp((waterGradient*0.5+0.5),0.2,1.0);
float3 watercolour = (float3(0.0078, 0.5176, 0.700)+waterSunColour)*waterGradient*2.0;
float3 waterext = float3(0.6, 0.9, 1.0);//water extinction
float3 watercolour = (gammaCorrectRead(float3(0.0078, 0.5176, 0.700))+waterSunColour)*waterGradient*2.0;
float3 waterext = gammaCorrectRead(float3(0.6, 0.9, 1.0));//water extinction
watercolour = shLerp(watercolour*0.3*waterSunFade_sunHeight.x, watercolour, shSaturate(1.0-exp(-waterSunFade_sunHeight.y*SUN_EXT)));
watercolour = (cameraPos.y <= waterLevel) ? watercolour : watercolour*0.3;
@ -369,6 +371,8 @@
shOutputColour(0).xyz = shLerp (shOutputColour(0).xyz, watercolour, fogAmount * isUnderwater);
#endif
shOutputColour(0).xyz = gammaCorrectOutput(shOutputColour(0).xyz);
#if MRT
shOutputColour(1) = float4(depth / far,1,1,1);

2
files/settings-default.cfg
View file

@ -28,6 +28,8 @@ vsync = false
# PBuffer, FBO, Copy
opengl rtt mode = FBO
gamma = 2.2
[GUI]
# 1 is fully opaque
menu transparency = 0.84