/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "WebGLSampler.h" #include "GLContext.h" #include "mozilla/dom/WebGL2RenderingContextBinding.h" #include "WebGLContext.h" namespace mozilla { WebGLSampler::WebGLSampler(WebGLContext* webgl, GLuint sampler) : WebGLRefCountedObject(webgl) , mGLName(sampler) , mMinFilter(LOCAL_GL_NEAREST_MIPMAP_LINEAR) , mMagFilter(LOCAL_GL_LINEAR) , mWrapS(LOCAL_GL_REPEAT) , mWrapT(LOCAL_GL_REPEAT) , mWrapR(LOCAL_GL_REPEAT) , mMinLod(-1000) , mMaxLod(1000) , mCompareMode(LOCAL_GL_NONE) , mCompareFunc(LOCAL_GL_LEQUAL) { mContext->mSamplers.insertBack(this); } WebGLSampler::~WebGLSampler() { DeleteOnce(); } void WebGLSampler::Delete() { mContext->MakeContextCurrent(); mContext->gl->fDeleteSamplers(1, &mGLName); removeFrom(mContext->mSamplers); } WebGLContext* WebGLSampler::GetParentObject() const { return mContext; } JSObject* WebGLSampler::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) { return dom::WebGLSamplerBinding::Wrap(cx, this, givenProto); } static bool ValidateSamplerParameterParams(WebGLContext* webgl, const char* funcName, GLenum pname, const FloatOrInt& param) { const auto& paramInt = param.i; switch (pname) { case LOCAL_GL_TEXTURE_MIN_FILTER: switch (paramInt) { case LOCAL_GL_NEAREST: case LOCAL_GL_LINEAR: case LOCAL_GL_NEAREST_MIPMAP_NEAREST: case LOCAL_GL_NEAREST_MIPMAP_LINEAR: case LOCAL_GL_LINEAR_MIPMAP_NEAREST: case LOCAL_GL_LINEAR_MIPMAP_LINEAR: return true; default: break; } break; case LOCAL_GL_TEXTURE_MAG_FILTER: switch (paramInt) { case LOCAL_GL_NEAREST: case LOCAL_GL_LINEAR: return true; default: break; } break; case LOCAL_GL_TEXTURE_WRAP_S: case LOCAL_GL_TEXTURE_WRAP_T: case LOCAL_GL_TEXTURE_WRAP_R: switch (paramInt) { case LOCAL_GL_CLAMP_TO_EDGE: case LOCAL_GL_REPEAT: case LOCAL_GL_MIRRORED_REPEAT: return true; default: break; } break; case LOCAL_GL_TEXTURE_MIN_LOD: case LOCAL_GL_TEXTURE_MAX_LOD: return true; case LOCAL_GL_TEXTURE_COMPARE_MODE: switch (paramInt) { case LOCAL_GL_NONE: case LOCAL_GL_COMPARE_REF_TO_TEXTURE: return true; default: break; } break; case LOCAL_GL_TEXTURE_COMPARE_FUNC: switch (paramInt) { case LOCAL_GL_LEQUAL: case LOCAL_GL_GEQUAL: case LOCAL_GL_LESS: case LOCAL_GL_GREATER: case LOCAL_GL_EQUAL: case LOCAL_GL_NOTEQUAL: case LOCAL_GL_ALWAYS: case LOCAL_GL_NEVER: return true; default: break; } break; default: webgl->ErrorInvalidEnumArg(funcName, "pname", pname); return false; } webgl->ErrorInvalidEnumArg(funcName, "param", paramInt); return false; } void WebGLSampler::SamplerParameter(const char* funcName, GLenum pname, const FloatOrInt& param) { if (!ValidateSamplerParameterParams(mContext, funcName, pname, param)) return; switch (pname) { case LOCAL_GL_TEXTURE_MIN_FILTER: mMinFilter = param.i; break; case LOCAL_GL_TEXTURE_MAG_FILTER: mMagFilter = param.i; break; case LOCAL_GL_TEXTURE_WRAP_S: mWrapS = param.i; break; case LOCAL_GL_TEXTURE_WRAP_T: mWrapT = param.i; break; case LOCAL_GL_TEXTURE_WRAP_R: mWrapR = param.i; break; case LOCAL_GL_TEXTURE_COMPARE_MODE: mCompareMode = param.i; break; case LOCAL_GL_TEXTURE_COMPARE_FUNC: mCompareFunc = param.i; break; case LOCAL_GL_TEXTURE_MIN_LOD: mMinLod = param.f; break; case LOCAL_GL_TEXTURE_MAX_LOD: mMaxLod = param.f; break; default: MOZ_CRASH("GFX: Unhandled pname"); break; } for (uint32_t i = 0; i < mContext->mBoundSamplers.Length(); ++i) { if (this == mContext->mBoundSamplers[i]) mContext->InvalidateResolveCacheForTextureWithTexUnit(i); } //// mContext->gl->MakeCurrent(); if (param.isFloat) { mContext->gl->fSamplerParameterf(mGLName, pname, param.f); } else { mContext->gl->fSamplerParameteri(mGLName, pname, param.i); } } //// NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLSampler) NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLSampler, AddRef) NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLSampler, Release) } // namespace mozilla