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Get rid of MATERIAL_MAX_TEXTURES_USED

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Another configurable knob of questionable usefulness,
especially since this inhibits certain optimizations
by making loop length dependent on a global variable.
This commit is contained in:
sfan5 2021-11-19 20:16:57 +01:00
parent 6779cb7254
commit d322b73e4c
6 changed files with 7 additions and 29 deletions
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31
include/SMaterial.h
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@ -282,23 +282,6 @@ namespace video
*/
const u32 MATERIAL_MAX_TEXTURES = _IRR_MATERIAL_MAX_TEXTURES_;
//! By default this is identical to MATERIAL_MAX_TEXTURES
/** Users can modify this value if they are certain they don't need all
available textures per material in their application. For example if you
never need more than 2 textures per material you can set this to 2.
We (mostly) avoid dynamic memory in SMaterial, so the extra memory
will still be allocated. But by lowering MATERIAL_MAX_TEXTURES_USED the
material comparisons and assignments can be faster. Also several other
places in the engine can be faster when reducing this value to the limit
you need.
NOTE: This should only be changed once and before any call to createDevice.
NOTE: Do not set it below 1 or above the value of _IRR_MATERIAL_MAX_TEXTURES_.
NOTE: Going below 4 is usually not worth it.
*/
IRRLICHT_API extern u32 MATERIAL_MAX_TEXTURES_USED;
//! Struct for holding parameters for a material renderer
// Note for implementors: Serialization is in CNullDriver
class SMaterial
@ -323,7 +306,7 @@ namespace video
SMaterial(const SMaterial& other)
{
// These pointers are checked during assignment
for (u32 i=0; i<MATERIAL_MAX_TEXTURES_USED; ++i)
for (u32 i=0; i<MATERIAL_MAX_TEXTURES; ++i)
TextureLayer[i].TextureMatrix = 0;
*this = other;
}
@ -565,23 +548,23 @@ namespace video
FrontfaceCulling = value; break;
case EMF_BILINEAR_FILTER:
{
for (u32 i=0; i<MATERIAL_MAX_TEXTURES_USED; ++i)
for (u32 i=0; i<MATERIAL_MAX_TEXTURES; ++i)
TextureLayer[i].BilinearFilter = value;
}
break;
case EMF_TRILINEAR_FILTER:
{
for (u32 i=0; i<MATERIAL_MAX_TEXTURES_USED; ++i)
for (u32 i=0; i<MATERIAL_MAX_TEXTURES; ++i)
TextureLayer[i].TrilinearFilter = value;
}
break;
case EMF_ANISOTROPIC_FILTER:
{
if (value)
for (u32 i=0; i<MATERIAL_MAX_TEXTURES_USED; ++i)
for (u32 i=0; i<MATERIAL_MAX_TEXTURES; ++i)
TextureLayer[i].AnisotropicFilter = 0xFF;
else
for (u32 i=0; i<MATERIAL_MAX_TEXTURES_USED; ++i)
for (u32 i=0; i<MATERIAL_MAX_TEXTURES; ++i)
TextureLayer[i].AnisotropicFilter = 0;
}
break;
@ -591,7 +574,7 @@ namespace video
NormalizeNormals = value; break;
case EMF_TEXTURE_WRAP:
{
for (u32 i=0; i<MATERIAL_MAX_TEXTURES_USED; ++i)
for (u32 i=0; i<MATERIAL_MAX_TEXTURES; ++i)
{
TextureLayer[i].TextureWrapU = (E_TEXTURE_CLAMP)value;
TextureLayer[i].TextureWrapV = (E_TEXTURE_CLAMP)value;
@ -713,7 +696,7 @@ namespace video
PolygonOffsetSlopeScale != b.PolygonOffsetSlopeScale ||
UseMipMaps != b.UseMipMaps
;
for (u32 i=0; (i<MATERIAL_MAX_TEXTURES_USED) && !different; ++i)
for (u32 i=0; (i<MATERIAL_MAX_TEXTURES) && !different; ++i)
{
different |= (TextureLayer[i] != b.TextureLayer[i]);
}

1
source/Irrlicht/COGLES2ExtensionHandler.cpp
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@ -47,7 +47,6 @@ namespace video
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES));
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES_USED));
Feature.ColorAttachment = 1;
}

1
source/Irrlicht/COGLESExtensionHandler.cpp
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@ -82,7 +82,6 @@ namespace video
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES));
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES_USED));
Feature.ColorAttachment = 1;
#if defined(_IRR_OGLES1_USE_EXTPOINTER_)

1
source/Irrlicht/COpenGLExtensionHandler.cpp
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@ -756,7 +756,6 @@ void COpenGLExtensionHandler::initExtensions(bool stencilBuffer)
else
#endif
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES));
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES_USED));
#ifdef GL_ARB_occlusion_query
if (FeatureAvailable[IRR_ARB_occlusion_query])

1
source/Irrlicht/CWebGL1Driver.cpp
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@ -1097,7 +1097,6 @@ void CWebGL1Driver::initWebGLExtensions()
glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine);
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES));
Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES_USED));
Feature.ColorAttachment = 1;
}

1
source/Irrlicht/Irrlicht.cpp
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@ -132,7 +132,6 @@ namespace core
namespace video
{
SMaterial IdentityMaterial;
u32 MATERIAL_MAX_TEXTURES_USED = MATERIAL_MAX_TEXTURES;
}
} // end namespace irr