gecko-dev/dom/canvas/WebGLSampler.cpp

128 строки
2.9 KiB
C++

/* -*- 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)
: WebGLContextBoundObject(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);
}
void
WebGLSampler::SamplerParameter1i(GLenum pname, GLint param)
{
switch (pname) {
case LOCAL_GL_TEXTURE_MIN_FILTER:
mMinFilter = param;
break;
case LOCAL_GL_TEXTURE_MAG_FILTER:
mMagFilter = param;
break;
case LOCAL_GL_TEXTURE_WRAP_S:
mWrapS = param;
break;
case LOCAL_GL_TEXTURE_WRAP_T:
mWrapT = param;
break;
case LOCAL_GL_TEXTURE_WRAP_R:
mWrapR = param;
break;
case LOCAL_GL_TEXTURE_COMPARE_MODE:
mCompareMode = param;
break;
case LOCAL_GL_TEXTURE_COMPARE_FUNC:
mCompareFunc = param;
break;
default:
MOZ_CRASH("Unhandled pname");
break;
}
for (uint32_t i = 0; i < mContext->mBoundSamplers.Length(); ++i) {
if (this == mContext->mBoundSamplers[i])
mContext->InvalidateResolveCacheForTextureWithTexUnit(i);
}
}
void
WebGLSampler::SamplerParameter1f(GLenum pname, GLfloat param)
{
switch (pname) {
case LOCAL_GL_TEXTURE_MIN_LOD:
mMinLod = param;
break;
case LOCAL_GL_TEXTURE_MAX_LOD:
mMaxLod = param;
break;
default:
MOZ_CRASH("Unhandled pname");
break;
}
for (uint32_t i = 0; i < mContext->mBoundSamplers.Length(); ++i) {
if (this == mContext->mBoundSamplers[i])
mContext->InvalidateResolveCacheForTextureWithTexUnit(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