forked from Mirrorlandia_minetest/irrlicht
Expose all OpenGL filtering modes, use OpenGL names for them
Because of a review comment by numberZero.
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@ -45,26 +45,28 @@ namespace video
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//! Texture minification filter.
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/** Used when scaling textures down. */
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/** Used when scaling textures down. See the documentation on OpenGL's
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`GL_TEXTURE_MIN_FILTER` for more information. */
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enum E_TEXTURE_MIN_FILTER {
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//! Nearest-neighbor interpolation.
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ETMINF_NEAREST = 0,
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//! Linear interpolation.
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ETMINF_BILINEAR,
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//! Linear interpolation across mipmaps.
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/** Is equivalent to ETMINF_BILINEAR if mipmaps are disabled.
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Only available as a minification filter since mipmaps are only used
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when scaling down. */
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ETMINF_TRILINEAR,
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//! Aka nearest-neighbor.
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ETMINF_NEAREST_MIPMAP_NEAREST = 0,
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//! Aka bilinear.
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ETMINF_LINEAR_MIPMAP_NEAREST,
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//! Isn't known by any other name.
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ETMINF_NEAREST_MIPMAP_LINEAR,
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//! Aka trilinear.
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ETMINF_LINEAR_MIPMAP_LINEAR,
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};
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//! Texture magnification filter.
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/** Used when scaling textures up. */
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/** Used when scaling textures up. See the documentation on OpenGL's
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`GL_TEXTURE_MAG_FILTER` for more information.
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Note that mipmaps are only used for minification, not for magnification. */
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enum E_TEXTURE_MAG_FILTER {
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//! Nearest-neighbor interpolation.
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//! Aka nearest-neighbor.
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ETMAGF_NEAREST = 0,
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//! Linear interpolation.
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ETMAGF_BILINEAR,
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//! Aka bilinear.
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ETMAGF_LINEAR,
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};
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//! Struct for holding material parameters which exist per texture layer
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@ -74,7 +76,7 @@ namespace video
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public:
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//! Default constructor
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SMaterialLayer() : Texture(0), TextureWrapU(ETC_REPEAT), TextureWrapV(ETC_REPEAT), TextureWrapW(ETC_REPEAT),
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MinFilter(ETMINF_BILINEAR), MagFilter(ETMAGF_BILINEAR), AnisotropicFilter(0), LODBias(0), TextureMatrix(0)
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MinFilter(ETMINF_LINEAR_MIPMAP_NEAREST), MagFilter(ETMAGF_LINEAR), AnisotropicFilter(0), LODBias(0), TextureMatrix(0)
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{
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}
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@ -234,9 +236,9 @@ namespace video
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//! to the three relevant boolean values found in the Minetest settings.
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/** The value of `trilinear` takes precedence over the value of `bilinear`. */
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void setFiltersMinetest(bool bilinear, bool trilinear, bool anisotropic) {
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MinFilter = trilinear ? ETMINF_TRILINEAR :
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(bilinear ? ETMINF_BILINEAR : ETMINF_NEAREST);
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MagFilter = (trilinear || bilinear) ? ETMAGF_BILINEAR : ETMAGF_NEAREST;
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MinFilter = trilinear ? ETMINF_LINEAR_MIPMAP_LINEAR :
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(bilinear ? ETMINF_LINEAR_MIPMAP_NEAREST : ETMINF_NEAREST_MIPMAP_NEAREST);
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MagFilter = (trilinear || bilinear) ? ETMAGF_LINEAR : ETMAGF_NEAREST;
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AnisotropicFilter = anisotropic ? 0xFF : 0;
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}
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@ -103,7 +103,7 @@ CNullDriver::CNullDriver(io::IFileSystem* io, const core::dimension2d<u32>& scre
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InitMaterial2D.ZBuffer = video::ECFN_DISABLED;
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InitMaterial2D.UseMipMaps = false;
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InitMaterial2D.forEachTexture([] (auto &tex) {
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tex.MinFilter = video::ETMINF_NEAREST;
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tex.MinFilter = video::ETMINF_NEAREST_MIPMAP_NEAREST;
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tex.MagFilter = video::ETMAGF_NEAREST;
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tex.TextureWrapU = video::ETC_REPEAT;
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tex.TextureWrapV = video::ETC_REPEAT;
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@ -4,6 +4,7 @@
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#include "COGLES2Driver.h"
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#include <cassert>
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#include "CNullDriver.h"
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#include "IContextManager.h"
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@ -1700,7 +1701,8 @@ COGLES2Driver::~COGLES2Driver()
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{
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E_TEXTURE_MAG_FILTER magFilter = material.TextureLayers[i].MagFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MAG_FILTER,
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magFilter == ETMAGF_BILINEAR ? GL_LINEAR : GL_NEAREST);
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magFilter == ETMAGF_NEAREST ? GL_NEAREST :
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(assert(magFilter == ETMAGF_LINEAR), GL_LINEAR));
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tmpTexture->getStatesCache().MagFilter = magFilter;
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}
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@ -1712,9 +1714,10 @@ COGLES2Driver::~COGLES2Driver()
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
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minFilter == ETMINF_TRILINEAR ? GL_LINEAR_MIPMAP_LINEAR :
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minFilter == ETMINF_BILINEAR ? GL_LINEAR_MIPMAP_NEAREST :
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GL_NEAREST_MIPMAP_NEAREST);
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minFilter == ETMINF_NEAREST_MIPMAP_NEAREST ? GL_NEAREST_MIPMAP_NEAREST :
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minFilter == ETMINF_LINEAR_MIPMAP_NEAREST ? GL_LINEAR_MIPMAP_NEAREST :
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minFilter == ETMINF_NEAREST_MIPMAP_LINEAR ? GL_NEAREST_MIPMAP_LINEAR :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR_MIPMAP_LINEAR));
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tmpTexture->getStatesCache().MinFilter = minFilter;
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tmpTexture->getStatesCache().MipMapStatus = true;
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@ -1727,7 +1730,8 @@ COGLES2Driver::~COGLES2Driver()
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
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(minFilter == ETMINF_TRILINEAR || minFilter == ETMINF_BILINEAR) ? GL_LINEAR : GL_NEAREST);
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(minFilter == ETMINF_NEAREST_MIPMAP_NEAREST || minFilter == ETMINF_NEAREST_MIPMAP_LINEAR) ? GL_NEAREST :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_NEAREST || minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR));
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tmpTexture->getStatesCache().MinFilter = minFilter;
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tmpTexture->getStatesCache().MipMapStatus = false;
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@ -3,6 +3,7 @@
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "COGLESDriver.h"
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#include <cassert>
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#include "CNullDriver.h"
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#include "IContextManager.h"
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@ -1918,7 +1919,8 @@ void COGLES1Driver::setTextureRenderStates(const SMaterial& material, bool reset
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{
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E_TEXTURE_MAG_FILTER magFilter = material.TextureLayers[i].MagFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MAG_FILTER,
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magFilter == ETMAGF_BILINEAR ? GL_LINEAR : GL_NEAREST);
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magFilter == ETMAGF_NEAREST ? GL_NEAREST :
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(assert(magFilter == ETMAGF_LINEAR), GL_LINEAR));
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statesCache.MagFilter = magFilter;
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}
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@ -1930,9 +1932,10 @@ void COGLES1Driver::setTextureRenderStates(const SMaterial& material, bool reset
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
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minFilter == ETMINF_TRILINEAR ? GL_LINEAR_MIPMAP_LINEAR :
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minFilter == ETMINF_BILINEAR ? GL_LINEAR_MIPMAP_NEAREST :
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GL_NEAREST_MIPMAP_NEAREST);
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minFilter == ETMINF_NEAREST_MIPMAP_NEAREST ? GL_NEAREST_MIPMAP_NEAREST :
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minFilter == ETMINF_LINEAR_MIPMAP_NEAREST ? GL_LINEAR_MIPMAP_NEAREST :
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minFilter == ETMINF_NEAREST_MIPMAP_LINEAR ? GL_NEAREST_MIPMAP_LINEAR :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR_MIPMAP_LINEAR));
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statesCache.MinFilter = minFilter;
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statesCache.MipMapStatus = true;
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@ -1945,7 +1948,9 @@ void COGLES1Driver::setTextureRenderStates(const SMaterial& material, bool reset
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
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(minFilter == ETMINF_TRILINEAR || minFilter == ETMINF_BILINEAR) ? GL_LINEAR : GL_NEAREST);
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(minFilter == ETMINF_NEAREST_MIPMAP_NEAREST || minFilter == ETMINF_NEAREST_MIPMAP_LINEAR) ? GL_NEAREST :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_NEAREST || minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR));
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statesCache.MinFilter = minFilter;
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statesCache.MipMapStatus = false;
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@ -31,7 +31,7 @@ public:
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struct SStatesCache
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{
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SStatesCache() : WrapU(ETC_REPEAT), WrapV(ETC_REPEAT), WrapW(ETC_REPEAT),
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LODBias(0), AnisotropicFilter(0), MinFilter(video::ETMINF_NEAREST),
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LODBias(0), AnisotropicFilter(0), MinFilter(video::ETMINF_NEAREST_MIPMAP_NEAREST),
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MagFilter(video::ETMAGF_NEAREST), MipMapStatus(false), IsCached(false)
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{
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}
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@ -3,6 +3,7 @@
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "COpenGLDriver.h"
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#include <cassert>
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#include "CNullDriver.h"
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#include "IContextManager.h"
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@ -2713,7 +2714,8 @@ void COpenGLDriver::setTextureRenderStates(const SMaterial& material, bool reset
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{
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E_TEXTURE_MAG_FILTER magFilter = material.TextureLayers[i].MagFilter;
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glTexParameteri(tmpType, GL_TEXTURE_MAG_FILTER,
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magFilter == ETMAGF_BILINEAR ? GL_LINEAR : GL_NEAREST);
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magFilter == ETMAGF_NEAREST ? GL_NEAREST :
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(assert(magFilter == ETMAGF_LINEAR), GL_LINEAR));
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statesCache.MagFilter = magFilter;
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}
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@ -2725,9 +2727,10 @@ void COpenGLDriver::setTextureRenderStates(const SMaterial& material, bool reset
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpType, GL_TEXTURE_MIN_FILTER,
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minFilter == ETMINF_TRILINEAR ? GL_LINEAR_MIPMAP_LINEAR :
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minFilter == ETMINF_BILINEAR ? GL_LINEAR_MIPMAP_NEAREST :
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GL_NEAREST_MIPMAP_NEAREST);
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minFilter == ETMINF_NEAREST_MIPMAP_NEAREST ? GL_NEAREST_MIPMAP_NEAREST :
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minFilter == ETMINF_LINEAR_MIPMAP_NEAREST ? GL_LINEAR_MIPMAP_NEAREST :
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minFilter == ETMINF_NEAREST_MIPMAP_LINEAR ? GL_NEAREST_MIPMAP_LINEAR :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR_MIPMAP_LINEAR));
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statesCache.MinFilter = minFilter;
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statesCache.MipMapStatus = true;
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@ -2740,7 +2743,8 @@ void COpenGLDriver::setTextureRenderStates(const SMaterial& material, bool reset
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpType, GL_TEXTURE_MIN_FILTER,
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(minFilter == ETMINF_TRILINEAR || minFilter == ETMINF_BILINEAR) ? GL_LINEAR : GL_NEAREST);
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(minFilter == ETMINF_NEAREST_MIPMAP_NEAREST || minFilter == ETMINF_NEAREST_MIPMAP_LINEAR) ? GL_NEAREST :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_NEAREST || minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR));
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statesCache.MinFilter = minFilter;
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statesCache.MipMapStatus = false;
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@ -1460,7 +1460,8 @@ COpenGL3DriverBase::~COpenGL3DriverBase()
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{
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E_TEXTURE_MAG_FILTER magFilter = material.TextureLayers[i].MagFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MAG_FILTER,
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magFilter == ETMAGF_BILINEAR ? GL_LINEAR : GL_NEAREST);
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magFilter == ETMAGF_NEAREST ? GL_NEAREST :
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(assert(magFilter == ETMAGF_LINEAR), GL_LINEAR));
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tmpTexture->getStatesCache().MagFilter = magFilter;
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}
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@ -1472,9 +1473,10 @@ COpenGL3DriverBase::~COpenGL3DriverBase()
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
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minFilter == ETMINF_TRILINEAR ? GL_LINEAR_MIPMAP_LINEAR :
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minFilter == ETMINF_BILINEAR ? GL_LINEAR_MIPMAP_NEAREST :
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GL_NEAREST_MIPMAP_NEAREST);
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minFilter == ETMINF_NEAREST_MIPMAP_NEAREST ? GL_NEAREST_MIPMAP_NEAREST :
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minFilter == ETMINF_LINEAR_MIPMAP_NEAREST ? GL_LINEAR_MIPMAP_NEAREST :
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minFilter == ETMINF_NEAREST_MIPMAP_LINEAR ? GL_NEAREST_MIPMAP_LINEAR :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR_MIPMAP_LINEAR));
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tmpTexture->getStatesCache().MinFilter = minFilter;
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tmpTexture->getStatesCache().MipMapStatus = true;
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@ -1487,7 +1489,8 @@ COpenGL3DriverBase::~COpenGL3DriverBase()
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{
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E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
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glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
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(minFilter == ETMINF_TRILINEAR || minFilter == ETMINF_BILINEAR) ? GL_LINEAR : GL_NEAREST);
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(minFilter == ETMINF_NEAREST_MIPMAP_NEAREST || minFilter == ETMINF_NEAREST_MIPMAP_LINEAR) ? GL_NEAREST :
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(assert(minFilter == ETMINF_LINEAR_MIPMAP_NEAREST || minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR));
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tmpTexture->getStatesCache().MinFilter = minFilter;
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tmpTexture->getStatesCache().MipMapStatus = false;
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