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Merging r6493 through r6517 from trunk to ogl-es branch

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6518 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2023-08-03 19:12:11 +00:00
parent 1de0ec5459
commit e9c494503d
16 changed files with 216 additions and 85 deletions
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33
examples/10.Shaders/main.cpp
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@ -48,8 +48,10 @@ class MyShaderCallBack : public video::IShaderConstantSetCallBack
{
public:
MyShaderCallBack() : WorldViewProjID(-1), TransWorldID(-1), InvWorldID(-1), PositionID(-1),
ColorID(-1), TextureID(-1)
ColorID(-1), TextureID(-1), EmissiveID(-1)
{
for ( int i=0; i<4; ++i )
Emissive[i] = 0.f;
}
virtual void OnCreate(video::IMaterialRendererServices* services, s32 userData)
@ -57,11 +59,15 @@ public:
if (UseHighLevelShaders)
{
// Get shader constants id.
// Constants are "uniforms" in other shading languages.
// And they are not constant at all but can be changed before every draw call
// (the naming probably comes from Direct3D where they are called constants)
WorldViewProjID = services->getVertexShaderConstantID("mWorldViewProj");
TransWorldID = services->getVertexShaderConstantID("mTransWorld");
InvWorldID = services->getVertexShaderConstantID("mInvWorld");
PositionID = services->getVertexShaderConstantID("mLightPos");
ColorID = services->getVertexShaderConstantID("mLightColor");
EmissiveID = services->getPixelShaderConstantID("mEmissive");
// Textures ID are important only for OpenGL interface.
video::IVideoDriver* driver = services->getVideoDriver();
@ -91,6 +97,21 @@ public:
services->setVertexShaderConstant(reinterpret_cast<f32*>(&col), 9, 1);
}
// Called when any SMaterial value changes
virtual void OnSetMaterial(const irr::video::SMaterial& material)
{
// Remember material values to pass them on to shader in OnSetConstants
Emissive[0] = material.EmissiveColor.getRed() / 255.0f;
Emissive[1] = material.EmissiveColor.getGreen() / 255.0f;
Emissive[2] = material.EmissiveColor.getBlue() / 255.0f;
Emissive[3] = material.EmissiveColor.getAlpha() / 255.0f;
// Note: Until Irrlicht 1.8 it was possible to use gl_FrontMaterial in glsl
// This is no longer supported since Irrlicht 1.9
// Reason: Passing always every material value is slow, harder to port
// and generally getting deprecated in newer shader systems.
}
virtual void OnSetConstants(video::IMaterialRendererServices* services,
s32 userData)
{
@ -145,6 +166,12 @@ public:
}
else
services->setVertexShaderConstant(world.pointer(), 10, 4);
// Set material values
if (UseHighLevelShaders)
{
services->setPixelShaderConstant(EmissiveID, Emissive, 4);
}
}
private:
@ -154,6 +181,9 @@ private:
s32 PositionID;
s32 ColorID;
s32 TextureID;
s32 EmissiveID;
irr::f32 Emissive[4];
};
/*
@ -398,6 +428,7 @@ int main()
node->setMaterialFlag(video::EMF_LIGHTING, false);
node->setMaterialFlag(video::EMF_BLEND_OPERATION, true);
node->setMaterialType((video::E_MATERIAL_TYPE)newMaterialType2);
node->getMaterial(0).EmissiveColor = irr::video::SColor(0,50,0,50);
smgr->addTextSceneNode(gui->getBuiltInFont(),
L"PS & VS & EMT_TRANSPARENT",