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Merge branch 'normal_fix' into 'master'

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Fix pass normals (#7146, #7145)

See merge request OpenMW/openmw!2635
This commit is contained in:
psi29a 2023-01-21 16:36:45 +00:00
commit 761aef61ae
7 changed files with 42 additions and 54 deletions
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12
apps/openmw/mwrender/npcanimation.cpp
View File

@ -313,8 +313,9 @@ namespace MWRender
class DepthClearCallback : public osgUtil::RenderBin::DrawCallback
{
public:
DepthClearCallback()
DepthClearCallback(Resource::ResourceSystem* resourceSystem)
{
mPassNormals = resourceSystem->getSceneManager()->getSupportsNormalsRT();
mDepth = new SceneUtil::AutoDepth;
mDepth->setWriteMask(true);
@ -337,7 +338,11 @@ namespace MWRender
if (postProcessor && postProcessor->getFbo(PostProcessor::FBO_FirstPerson, frameId))
{
postProcessor->getFbo(PostProcessor::FBO_FirstPerson, frameId)->apply(*state);
if (mPassNormals)
{
state->get<osg::GLExtensions>()->glColorMaski(1, true, true, true, true);
state->haveAppliedAttribute(osg::StateAttribute::COLORMASK);
}
glClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
// color accumulation pass
bin->drawImplementation(renderInfo, previous);
@ -368,6 +373,7 @@ namespace MWRender
state->checkGLErrors("after DepthClearCallback::drawImplementation");
}
bool mPassNormals;
osg::ref_ptr<osg::Depth> mDepth;
osg::ref_ptr<osg::StateSet> mStateSet;
};
@ -416,7 +422,7 @@ namespace MWRender
if (!prototypeAdded)
{
osg::ref_ptr<osgUtil::RenderBin> depthClearBin(new osgUtil::RenderBin);
depthClearBin->setDrawCallback(new DepthClearCallback);
depthClearBin->setDrawCallback(new DepthClearCallback(mResourceSystem));
osgUtil::RenderBin::addRenderBinPrototype("DepthClear", depthClearBin);
prototypeAdded = true;
}

2
files/data/shaders/debug.omwfx
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@ -31,7 +31,7 @@ fragment main {
omw_FragColor = vec4(vec3(omw_GetLinearDepth(omw_TexCoord) / omw.far * uDepthFactor), 1.0);
#if OMW_NORMALS
if (uDisplayNormals && (!uDisplayDepth || omw_TexCoord.x < 0.5))
omw_FragColor.rgb = omw_GetNormals(omw_TexCoord);
omw_FragColor.rgb = omw_GetNormals(omw_TexCoord) * 0.5 + 0.5;
#endif
}
}

12
files/shaders/groundcover_fragment.glsl
View File

@ -45,19 +45,19 @@ varying vec3 passNormal;
void main()
{
vec3 worldNormal = normalize(passNormal);
vec3 normal = normalize(passNormal);
#if @normalMap
vec4 normalTex = texture2D(normalMap, normalMapUV);
vec3 normalizedNormal = worldNormal;
vec3 normalizedNormal = normal;
vec3 normalizedTangent = normalize(passTangent.xyz);
vec3 binormal = cross(normalizedTangent, normalizedNormal) * passTangent.w;
mat3 tbnTranspose = mat3(normalizedTangent, binormal, normalizedNormal);
worldNormal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
vec3 viewNormal = gl_NormalMatrix * worldNormal;
normal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
#endif
vec3 viewNormal = normalize(gl_NormalMatrix * normal);
#if @diffuseMap
gl_FragData[0] = texture2D(diffuseMap, diffuseMapUV);
@ -77,7 +77,7 @@ void main()
lighting = passLighting + shadowDiffuseLighting * shadowing;
#else
vec3 diffuseLight, ambientLight;
doLighting(passViewPos, normalize(viewNormal), shadowing, diffuseLight, ambientLight);
doLighting(passViewPos, viewNormal, shadowing, diffuseLight, ambientLight);
lighting = diffuseLight + ambientLight;
#endif
@ -87,7 +87,7 @@ void main()
gl_FragData[0] = applyFogAtDist(gl_FragData[0], euclideanDepth, linearDepth);
#if !@disableNormals
gl_FragData[1].xyz = worldNormal * 0.5 + 0.5;
gl_FragData[1].xyz = viewNormal * 0.5 + 0.5;
#endif
applyShadowDebugOverlay();

16
files/shaders/nv_default_fragment.glsl
View File

@ -46,7 +46,7 @@ uniform float specStrength;
void main()
{
vec3 worldNormal = normalize(passNormal);
vec3 normal = normalize(passNormal);
#if @diffuseMap
gl_FragData[0] = texture2D(diffuseMap, diffuseMapUV);
@ -62,20 +62,18 @@ void main()
#if @normalMap
vec4 normalTex = texture2D(normalMap, normalMapUV);
vec3 normalizedNormal = worldNormal;
vec3 normalizedNormal = normal;
vec3 normalizedTangent = normalize(passTangent.xyz);
vec3 binormal = cross(normalizedTangent, normalizedNormal) * passTangent.w;
mat3 tbnTranspose = mat3(normalizedTangent, binormal, normalizedNormal);
worldNormal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
vec3 viewNormal = gl_NormalMatrix * worldNormal;
#else
vec3 viewNormal = gl_NormalMatrix * worldNormal;
normal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
#endif
vec3 viewNormal = normalize(gl_NormalMatrix * normal);
float shadowing = unshadowedLightRatio(linearDepth);
vec3 diffuseLight, ambientLight;
doLighting(passViewPos, normalize(viewNormal), shadowing, diffuseLight, ambientLight);
doLighting(passViewPos, viewNormal, shadowing, diffuseLight, ambientLight);
vec3 emission = getEmissionColor().xyz * emissiveMult;
#if @emissiveMap
emission *= texture2D(emissiveMap, emissiveMapUV).xyz;
@ -93,7 +91,7 @@ void main()
#endif
if (matSpec != vec3(0.0))
gl_FragData[0].xyz += getSpecular(normalize(viewNormal), normalize(passViewPos.xyz), shininess, matSpec) * shadowing;
gl_FragData[0].xyz += getSpecular(viewNormal, normalize(passViewPos.xyz), shininess, matSpec) * shadowing;
gl_FragData[0] = applyFogAtDist(gl_FragData[0], euclideanDepth, linearDepth);
@ -103,7 +101,7 @@ void main()
#endif
#if !defined(FORCE_OPAQUE) && !@disableNormals
gl_FragData[1].xyz = worldNormal * 0.5 + 0.5;
gl_FragData[1].xyz = viewNormal * 0.5 + 0.5;
#endif
applyShadowDebugOverlay();

25
files/shaders/objects_fragment.glsl
View File

@ -120,23 +120,18 @@ void main()
vec2 adjustedDiffuseUV = diffuseMapUV;
#endif
vec3 worldNormal = normalize(passNormal);
vec3 normal = normalize(passNormal);
vec3 viewVec = normalize(passViewPos.xyz);
#if @normalMap
vec4 normalTex = texture2D(normalMap, normalMapUV);
vec3 normalizedNormal = worldNormal;
vec3 normalizedNormal = normal;
vec3 normalizedTangent = normalize(passTangent.xyz);
vec3 binormal = cross(normalizedTangent, normalizedNormal) * passTangent.w;
mat3 tbnTranspose = mat3(normalizedTangent, binormal, normalizedNormal);
worldNormal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
vec3 viewNormal = gl_NormalMatrix * worldNormal;
#endif
#if (!@normalMap && (@parallax || @forcePPL || @softParticles))
vec3 viewNormal = gl_NormalMatrix * worldNormal;
normal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
#endif
#if @parallax
@ -152,12 +147,13 @@ void main()
// fetch a new normal using updated coordinates
normalTex = texture2D(normalMap, adjustedDiffuseUV);
worldNormal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
viewNormal = gl_NormalMatrix * worldNormal;
normal = normalize(tbnTranspose * (normalTex.xyz * 2.0 - 1.0));
#endif
#endif
vec3 viewNormal = normalize(gl_NormalMatrix * normal);
#if @diffuseMap
gl_FragData[0] = texture2D(diffuseMap, adjustedDiffuseUV);
gl_FragData[0].a *= coveragePreservingAlphaScale(diffuseMap, adjustedDiffuseUV);
@ -220,7 +216,7 @@ void main()
lighting = passLighting + shadowDiffuseLighting * shadowing;
#else
vec3 diffuseLight, ambientLight;
doLighting(passViewPos, normalize(viewNormal), shadowing, diffuseLight, ambientLight);
doLighting(passViewPos, viewNormal, shadowing, diffuseLight, ambientLight);
vec3 emission = getEmissionColor().xyz * emissiveMult;
lighting = diffuseColor.xyz * diffuseLight + getAmbientColor().xyz * ambientLight + emission;
#endif
@ -249,10 +245,7 @@ void main()
matSpec *= specStrength;
if (matSpec != vec3(0.0))
{
#if (!@normalMap && !@parallax && !@forcePPL)
vec3 viewNormal = gl_NormalMatrix * worldNormal;
#endif
gl_FragData[0].xyz += getSpecular(normalize(viewNormal), viewVec, shininess, matSpec) * shadowing;
gl_FragData[0].xyz += getSpecular(viewNormal, viewVec, shininess, matSpec) * shadowing;
}
gl_FragData[0] = applyFogAtPos(gl_FragData[0], passViewPos);
@ -267,7 +260,7 @@ void main()
#endif
#if !defined(FORCE_OPAQUE) && !@disableNormals
gl_FragData[1].xyz = worldNormal * 0.5 + 0.5;
gl_FragData[1].xyz = viewNormal * 0.5 + 0.5;
#endif
applyShadowDebugOverlay();

27
files/shaders/terrain_fragment.glsl
View File

@ -44,24 +44,18 @@ void main()
{
vec2 adjustedUV = (gl_TextureMatrix[0] * vec4(uv, 0.0, 1.0)).xy;
vec3 worldNormal = normalize(passNormal);
vec3 normal = normalize(passNormal);
#if @normalMap
vec4 normalTex = texture2D(normalMap, adjustedUV);
vec3 normalizedNormal = worldNormal;
vec3 normalizedNormal = normal;
vec3 tangent = vec3(1.0, 0.0, 0.0);
vec3 binormal = normalize(cross(tangent, normalizedNormal));
tangent = normalize(cross(normalizedNormal, binormal)); // note, now we need to re-cross to derive tangent again because it wasn't orthonormal
mat3 tbnTranspose = mat3(tangent, binormal, normalizedNormal);
worldNormal = tbnTranspose * (normalTex.xyz * 2.0 - 1.0);
vec3 viewNormal = normalize(gl_NormalMatrix * worldNormal);
normalize(worldNormal);
#endif
#if (!@normalMap && (@parallax || @forcePPL))
vec3 viewNormal = gl_NormalMatrix * worldNormal;
normal = tbnTranspose * (normalTex.xyz * 2.0 - 1.0);
#endif
#if @parallax
@ -73,11 +67,11 @@ void main()
// update normal using new coordinates
normalTex = texture2D(normalMap, adjustedUV);
worldNormal = tbnTranspose * (normalTex.xyz * 2.0 - 1.0);
viewNormal = normalize(gl_NormalMatrix * worldNormal);
normalize(worldNormal);
normal = tbnTranspose * (normalTex.xyz * 2.0 - 1.0);
#endif
vec3 viewNormal = normalize(gl_NormalMatrix * normal);
vec4 diffuseTex = texture2D(diffuseMap, adjustedUV);
gl_FragData[0] = vec4(diffuseTex.xyz, 1.0);
@ -95,7 +89,7 @@ void main()
lighting = passLighting + shadowDiffuseLighting * shadowing;
#else
vec3 diffuseLight, ambientLight;
doLighting(passViewPos, normalize(viewNormal), shadowing, diffuseLight, ambientLight);
doLighting(passViewPos, viewNormal, shadowing, diffuseLight, ambientLight);
lighting = diffuseColor.xyz * diffuseLight + getAmbientColor().xyz * ambientLight + getEmissionColor().xyz;
#endif
@ -113,16 +107,13 @@ void main()
if (matSpec != vec3(0.0))
{
#if (!@normalMap && !@parallax && !@forcePPL)
vec3 viewNormal = gl_NormalMatrix * worldNormal;
#endif
gl_FragData[0].xyz += getSpecular(normalize(viewNormal), normalize(passViewPos), shininess, matSpec) * shadowing;
gl_FragData[0].xyz += getSpecular(viewNormal, normalize(passViewPos), shininess, matSpec) * shadowing;
}
gl_FragData[0] = applyFogAtDist(gl_FragData[0], euclideanDepth, linearDepth);
#if !@disableNormals && @writeNormals
gl_FragData[1].xyz = worldNormal.xyz * 0.5 + 0.5;
gl_FragData[1].xyz = viewNormal * 0.5 + 0.5;
#endif
applyShadowDebugOverlay();

2
files/shaders/water_fragment.glsl
View File

@ -360,7 +360,7 @@ void main(void)
gl_FragData[0] = applyFogAtDist(gl_FragData[0], radialDepth, linearDepth);
#if !@disableNormals
gl_FragData[1].rgb = normal * 0.5 + 0.5;
gl_FragData[1].rgb = normalize(gl_NormalMatrix * normal) * 0.5 + 0.5;
#endif
applyShadowDebugOverlay();