void OGLESTexture3DRenderView::OnAttached(FrameBuffer& fb, uint32_t att)
{
BOOST_ASSERT(att != FrameBuffer::ATT_DepthStencil);
index_ = att - FrameBuffer::ATT_Color0;
fbo_ = checked_cast<OGLESFrameBuffer*>(&fb)->OGLFbo();
OGLESRenderEngine& re = *checked_cast<OGLESRenderEngine*>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
re.BindFramebuffer(fbo_);
if (0 == copy_to_tex_)
{
glFramebufferTexture3DOES(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0, GL_TEXTURE_3D_OES, tex_, level_, slice_);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (GL_FRAMEBUFFER_COMPLETE == status)
{
glGenTextures(1, &tex_2d_);
glBindTexture(GL_TEXTURE_2D, tex_2d_);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width_, height_,
0, GL_RGBA, GL_FLOAT, nullptr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
copy_to_tex_ = 2;
}
else
{
copy_to_tex_ = 1;
}
}
if (1 == copy_to_tex_)
{
glFramebufferTexture3DOES(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0 + att - FrameBuffer::ATT_Color0,
GL_TEXTURE_3D_OES, tex_, level_, slice_);
}
else
{
BOOST_ASSERT(2 == copy_to_tex_);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0 + att - FrameBuffer::ATT_Color0,
GL_TEXTURE_2D, tex_2d_, 0);
}
re.BindFramebuffer(0);
}
void OGLESTexture3DRenderView::OnDetached(FrameBuffer& fb, uint32_t att)
{
UNREF_PARAM(fb);
BOOST_ASSERT(att != FrameBuffer::ATT_DepthStencil);
BOOST_ASSERT(fbo_ == checked_cast<OGLESFrameBuffer*>(&fb)->OGLFbo());
OGLESRenderEngine& re = *checked_cast<OGLESRenderEngine*>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
re.BindFramebuffer(fbo_);
BOOST_ASSERT(copy_to_tex_ != 0);
if (1 == copy_to_tex_)
{
glFramebufferTexture3DOES(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0 + att - FrameBuffer::ATT_Color0,
GL_TEXTURE_3D_OES, 0, 0, 0);
}
else
{
BOOST_ASSERT(2 == copy_to_tex_);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0 + att - FrameBuffer::ATT_Color0,
GL_TEXTURE_2D, 0, 0);
this->CopyToSlice(att);
}
re.BindFramebuffer(0);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengles_OESTexture3D_glFramebufferTexture3DOES(JNIEnv *__env, jclass clazz, jint target, jint attachment, jint textarget, jint texture, jint level, jint zoffset) {
glFramebufferTexture3DOESPROC glFramebufferTexture3DOES = (glFramebufferTexture3DOESPROC)tlsGetFunction(784);
UNUSED_PARAM(clazz)
glFramebufferTexture3DOES(target, attachment, textarget, texture, level, zoffset);
}