mirror of https://github.com/ZDoom/raze-gles.git
105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
//
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Copyright(C) 2014-2016 Christoph Oelckers
|
|
// All rights reserved.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with this program. If not, see http://www.gnu.org/licenses/
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
//
|
|
|
|
#include "glad/glad.h"
|
|
#include "glbackend.h"
|
|
|
|
struct TexFilter_s
|
|
{
|
|
int minfilter;
|
|
int magfilter;
|
|
bool mipmapping;
|
|
} ;
|
|
|
|
TexFilter_s TexFilter[]={
|
|
{GL_NEAREST, GL_NEAREST, false},
|
|
{GL_LINEAR, GL_LINEAR, false},
|
|
{GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST, true},
|
|
{GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR, true},
|
|
{GL_NEAREST_MIPMAP_LINEAR, GL_NEAREST, true},
|
|
{GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR, true},
|
|
//{GL_LINEAR_MIPMAP_LINEAR, GL_NEAREST, true},
|
|
};
|
|
|
|
|
|
FSamplerManager::FSamplerManager()
|
|
{
|
|
glGenSamplers(NumSamplers, mSamplers);
|
|
glSamplerParameteri(mSamplers[5], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glSamplerParameteri(mSamplers[5], GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glSamplerParameterf(mSamplers[5], GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.f);
|
|
glSamplerParameterf(mSamplers[4], GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.f);
|
|
glSamplerParameterf(mSamplers[6], GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.f);
|
|
glSamplerParameteri(mSamplers[6], GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glSamplerParameteri(mSamplers[6], GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glSamplerParameterf(mSamplers[7], GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.f);
|
|
glSamplerParameteri(mSamplers[7], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glSamplerParameteri(mSamplers[7], GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
|
|
glSamplerParameteri(mSamplers[1], GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[2], GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[3], GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[3], GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[4], GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[4], GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[6], GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[6], GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[7], GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glSamplerParameteri(mSamplers[7], GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
}
|
|
|
|
FSamplerManager::~FSamplerManager()
|
|
{
|
|
UnbindAll();
|
|
glDeleteSamplers(NumSamplers, mSamplers);
|
|
}
|
|
|
|
void FSamplerManager::UnbindAll()
|
|
{
|
|
for (int i = 0; i < 8 /* fixme */; i++)
|
|
{
|
|
glBindSampler(i, 0);
|
|
}
|
|
}
|
|
|
|
uint8_t FSamplerManager::Bind(int texunit, int num, int lastval)
|
|
{
|
|
unsigned int samp = mSamplers[num];
|
|
glBindSampler(texunit, samp);
|
|
return 255;
|
|
}
|
|
|
|
|
|
void FSamplerManager::SetTextureFilterMode(int filter, int anisotropy)
|
|
{
|
|
UnbindAll();
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
glSamplerParameteri(mSamplers[i], GL_TEXTURE_MIN_FILTER, TexFilter[filter].minfilter);
|
|
glSamplerParameteri(mSamplers[i], GL_TEXTURE_MAG_FILTER, TexFilter[filter].magfilter);
|
|
glSamplerParameterf(mSamplers[i], GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropy);
|
|
}
|
|
glSamplerParameteri(mSamplers[4], GL_TEXTURE_MIN_FILTER, TexFilter[filter].magfilter);
|
|
glSamplerParameteri(mSamplers[4], GL_TEXTURE_MAG_FILTER, TexFilter[filter].magfilter);
|
|
}
|