/* * Copyright (C) 2009 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <GLES/gl.h> #include <GLES/glext.h> #include "rsContext.h" #include "rsSampler.h" using namespace android; using namespace android::renderscript; Sampler::Sampler(Context *rsc) : ObjectBase(rsc) { mAllocFile = __FILE__; mAllocLine = __LINE__; // Should not get called. rsAssert(0); } Sampler::Sampler(Context *rsc, RsSamplerValue magFilter, RsSamplerValue minFilter, RsSamplerValue wrapS, RsSamplerValue wrapT, RsSamplerValue wrapR) : ObjectBase(rsc) { mAllocFile = __FILE__; mAllocLine = __LINE__; mMagFilter = magFilter; mMinFilter = minFilter; mWrapS = wrapS; mWrapT = wrapT; mWrapR = wrapR; } Sampler::~Sampler() { } void Sampler::setupGL() { GLenum trans[] = { GL_NEAREST, //RS_SAMPLER_NEAREST, GL_LINEAR, //RS_SAMPLER_LINEAR, GL_LINEAR_MIPMAP_LINEAR, //RS_SAMPLER_LINEAR_MIP_LINEAR, GL_REPEAT, //RS_SAMPLER_WRAP, GL_CLAMP_TO_EDGE, //RS_SAMPLER_CLAMP }; glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, trans[mMinFilter]); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, trans[mMagFilter]); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, trans[mWrapS]); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, trans[mWrapT]); } void Sampler::bindToContext(SamplerState *ss, uint32_t slot) { ss->mSamplers[slot].set(this); mBoundSlot = slot; } void Sampler::unbindFromContext(SamplerState *ss) { int32_t slot = mBoundSlot; mBoundSlot = -1; ss->mSamplers[slot].clear(); } void SamplerState::setupGL() { for (uint32_t ct=0; ct < RS_MAX_SAMPLER_SLOT; ct++) { Sampler *s = mSamplers[ct].get(); if (s) { s->setupGL(); } else { glBindTexture(GL_TEXTURE_2D, 0); } } } //////////////////////////////// namespace android { namespace renderscript { void rsi_SamplerBegin(Context *rsc) { SamplerState * ss = &rsc->mStateSampler; ss->mMagFilter = RS_SAMPLER_LINEAR; ss->mMinFilter = RS_SAMPLER_LINEAR; ss->mWrapS = RS_SAMPLER_WRAP; ss->mWrapT = RS_SAMPLER_WRAP; ss->mWrapR = RS_SAMPLER_WRAP; } void rsi_SamplerSet(Context *rsc, RsSamplerParam param, RsSamplerValue value) { SamplerState * ss = &rsc->mStateSampler; switch(param) { case RS_SAMPLER_MAG_FILTER: ss->mMagFilter = value; break; case RS_SAMPLER_MIN_FILTER: ss->mMinFilter = value; break; case RS_SAMPLER_WRAP_S: ss->mWrapS = value; break; case RS_SAMPLER_WRAP_T: ss->mWrapT = value; break; case RS_SAMPLER_WRAP_R: ss->mWrapR = value; break; } } RsSampler rsi_SamplerCreate(Context *rsc) { SamplerState * ss = &rsc->mStateSampler; Sampler * s = new Sampler(rsc, ss->mMagFilter, ss->mMinFilter, ss->mWrapS, ss->mWrapT, ss->mWrapR); s->incUserRef(); return s; } }}